pulsesequence()
{
/* DECLARE AND LOAD VARIABLES */
char f1180[MAXSTR], /* Flag to start t1 @ halfdwell */
f2180[MAXSTR], /* Flag to start t2 @ halfdwell */
RELAY[MAXSTR], /* Insert HCCH-relay delay */
ribose[MAXSTR], /* ribose CHn groups only */
aromatic[MAXSTR], /* aromatic CHn groups only */
rna_stCshape[MAXSTR], /* calls sech/tanh pulses from shapelib */
rna_stCdec[MAXSTR], /* calls STUD+ waveforms from shapelib */
mag_flg[MAXSTR], /* Flag to use magic-angle gradients */
H2O_flg[MAXSTR],
sspul[MAXSTR],
SHAPE[MAXSTR],
STUD[MAXSTR]; /* apply automatically calculated STUD decoupling */
int t1_counter, /* used for states tppi in t1 */
t2_counter, /* used for states tppi in t2 */
ni2 = getval("ni2");
double tau1, /* t1 delay */
tau2, /* t2 delay */
delta1,delta2,
ni = getval("ni"),
lambda = 0.94/(4*getval("JCH")), /* 1/4J H1 evolution delay */
tCH = 1/(6.0*getval("JCH")), /* 1/4J C13 evolution delay */
tCC = 1/(8*getval("JCC")),
pwClvl = getval("pwClvl"), /* coarse power for C13 pulse */
pwC = getval("pwC"), /* C13 90 degree pulse length at pwClvl */
rfC, /* maximum fine power when using pwC pulses */
compC = getval("compC"), /* adjustment for C13 amplifier compression */
/* temporary Pbox parameters */
bw, pws, ofs, ppm, nst, /* bandwidth, pulsewidth, offset, ppm, # steps */
/* Sech/tanh inversion pulses automatically calculated by macro "rna_cal" */
/* and string parameter rna_stCshape calls them from your shapelib. */
rfst = 0.0, /* fine power for the rna_stCshape pulse, initialised */
dofa, /* dof shifted to 80 or 120ppm for ribose or aromatic spectra */
/* string parameter stCdec calls stud decoupling waveform from your shapelib.*/
studlvl, /* coarse power for STUD+ decoupling */
stdmf = getval("dmf80"), /* dmf for 80 ppm of STUD decoupling */
rf80 = getval("rf80"), /* rf in Hz for 80ppm STUD+ */
pwNlvl = getval("pwNlvl"), /* power for N15 pulses */
pwN = getval("pwN"), /* N15 90 degree pulse length at pwNlvl */
sw1 = getval("sw1"),
sw2 = getval("sw2"),
gt3 = getval("gt3"),
gt4 = getval("gt4"),
gt5 = getval("gt5"),
gt7 = getval("gt7"),
gt8 = getval("gt8"),
gt9 = getval("gt9"),
gzcal = getval("gzcal"),
grecov = getval("grecov"),
gzlvl0 = getval("gzlvl0"),
gzlvl3 = getval("gzlvl3"),
gzlvl4 = getval("gzlvl4"),
gzlvl5 = getval("gzlvl5"),
gzlvl7 = getval("gzlvl7"), /* triax option */
gzlvl8 = getval("gzlvl8"),
gzlvl9 = getval("gzlvl9");
getstr("f1180",f1180);
getstr("mag_flg",mag_flg);
getstr("f2180",f2180);
getstr("RELAY",RELAY);
getstr("ribose",ribose);
getstr("aromatic",aromatic);
getstr("H2O_flg",H2O_flg);
getstr("sspul",sspul);
getstr("SHAPE",SHAPE);
getstr("STUD",STUD);
/* INITIALIZE VARIABLES */
/* maximum fine power for pwC pulses */
rfC = 4095.0;
setautocal(); /* activate auto-calibration flags */
if (autocal[0] == 'n')
{
/* 50ppm sech/tanh inversion */
rfst = (compC*4095.0*pwC*4000.0*sqrt((7.5*sfrq/600+3.85)/0.41));
rfst = (int) (rfst + 0.5);
}
else /* if autocal = 'y'(yes), 'q'(quiet), r(read), or 's'(semi) */
{
if(FIRST_FID) /* call Pbox */
{
ppm = getval("dfrq");
bw = 50.0*ppm; pws = 0.001; ofs = 0.0; nst = 500.0;
stC50 = pbox_makeA("rna_stC50", "sech", bw, pws, ofs, compC*pwC, pwClvl, nst);
if (dm3[B] == 'y') H2ofs = 3.2;
ofs_check(H1ofs, C13ofs, N15ofs, H2ofs);
}
rfst = stC50.pwrf;
}
strcpy(rna_stCshape, "rna_stC50");
strcpy(rna_stCdec, "wurst80");
studlvl = pwClvl + 20.0*log10(compC*pwC*4.0*rf80);
studlvl = (int) (studlvl + 0.5);
/* RIBOSE spectrum only, centered on 80ppm. */
if (ribose[A]=='y')
dofa = dof - 30.0*dfrq;
/* AROMATIC spectrum only, centered on 120ppm */
else
dofa = dof + 10*dfrq;
/* CHECK VALIDITY OF PARAMETER RANGES */
if( dpwrf < 4095 )
{ printf("reset dpwrf=4095 and recalibrate C13 90 degree pulse");
psg_abort(1); }
if( pwC > (24.0e-6*600.0/sfrq) )
{ printf("Increase pwClvl so that pwC < 24*600/sfrq");
psg_abort(1); }
if((dm[A] == 'y' || dm[B] == 'y' ))
{ printf("incorrect Dec1 decoupler flags! "); psg_abort(1);}
if((dm2[A] == 'y' || dm2[B] == 'y'))
{ printf("incorrect Dec2 decoupler flags! "); psg_abort(1);}
if((dm3[A] == 'y' || dm3[C] == 'y' ))
{printf("incorrect dec1 decoupler flags! Should be 'nyn' or 'nnn' ");
psg_abort(1); }
if ((dm3[B] == 'y' && dpwr3 > 44 ))
{ printf("Deuterium decoupling power too high ! "); psg_abort(1);}
if( dpwr > 50 )
{ printf("don't fry the probe, dpwr too large! "); psg_abort(1);}
if( dpwr2 > 50 )
{ printf("don't fry the probe, dpwr2 too large! "); psg_abort(1); }
/* CHOICE OF PULSE SEQUENCE */
if ( ((ribose[A]=='y') && (aromatic[A]=='y')) )
{ text_error("Choose ONE of ribose='y' OR aromatic='y' ! ");
psg_abort(1); }
if ( ((aromatic[A]=='y') && (RELAY[A]=='y')) )
{ text_error("No RELAY with aromatic='y' ! ");
psg_abort(1); }
/* LOAD VARIABLES */
settable(t1, 2, phi1);
settable(t2, 4, phi2);
settable(t3, 16, phi3);
settable(t4, 2, phi4);
settable(t11,8, rec);
/* INITIALIZE VARIABLES */
/* Phase incrementation for hypercomplex data */
if ( phase1 == 2 ) /* Hypercomplex in t1 */
tsadd(t1,1,4);
if ( phase2 == 2 )
tsadd(t2,1,4);
/* calculate modification to phases based on current t1 values
to achieve States-TPPI acquisition */
if(ix == 1) d2_init = d2;
t1_counter = (int)((d2-d2_init)*sw1 + 0.5);
if(t1_counter % 2)
{
tsadd(t1,2,4);
tsadd(t11,2,4);
}
/* calculate modification to phases based on current t2 values
to achieve States-TPPI acquisition */
if(ix == 1) d3_init = d3;
t2_counter = (int)((d3-d3_init)*sw2 + 0.5);
if(t2_counter % 2)
{
tsadd(t2,2,4);
tsadd(t11,2,4);
}
/* set up so that get (90, -180) phase corrects in F1 if f1180 flag is y */
tau1 = d2;
if(f1180[A] == 'y')
{
tau1 += (1.0/(2.0*sw1));
}
if (tau1 < 1.0e-6) tau1 = 0.0;
tau1 = tau1/2.0;
/* set up so that get (90, -180) phase corrects in F2 if f2180 flag is y */
tau2 = d3;
if(f2180[A] == 'y')
{
tau2 += (1.0/(2.0*sw2));
}
if (tau2 < 1.0e-6) tau2 = 0.0;
tau2 = tau2/2.0;
if (ni > 1)
delta1 = (double)(t1_counter*(lambda - gt5 - 0.2e-3))/((double)(ni-1));
else delta1 = 0.0;
if (ni2 > 1)
delta2 = (double)(t2_counter*(tCC - 0.6e-3))/((double)(ni2-1));
else delta2 = 0.0;
initval(7.0, v1);
obsstepsize (45.0);
/* BEGIN ACTUAL PULSE SEQUENCE */
status(A);
obsoffset(tof);
decoffset(dofa);
dec2offset(dof2);
obspower(tpwr-12);
decpower(pwClvl);
decpwrf(rfC);
dec2power(pwNlvl);
decphase(zero);
dec2phase(zero);
if (sspul[0] == 'y')
{
rgpulse(200*pw, one, 10.0e-6, 0.0e-6);
rgpulse(200*pw, zero, 0.0e-6, 1.0e-6);
}
obspower(tpwr);
xmtrphase(v1);
txphase(t1);
if (dm3[B] == 'y') lk_sample();
delay(d1);
if (dm3[B] == 'y') lk_hold();
rcvroff();
decrgpulse(pwC, zero, rof1, rof1);
delay(rof1);
zgradpulse(gzlvl0,0.5e-3);
delay(grecov);
if(dm3[B] == 'y') /*optional 2H decoupling on */
{
dec3unblank();
dec3rgpulse(1/dmf3, one, 0.0, 0.0);
dec3unblank();
setstatus(DEC3ch, TRUE, 'w', FALSE, dmf3);
}
status(B);
rgpulse(pw, t1, 1.0e-4, rof1);
xmtrphase(zero);
txphase(zero);
zgradpulse(gzlvl5,gt5);
/*
decpwrf(rfst);
delay(lambda - gt5 - rof1 - SAPS_DELAY - GRADIENT_DELAY - POWER_DELAY -
WFG2_START_DELAY - 0.5e-3 + 70.0e-6 + tau1);
decshaped_pulse(rna_stCshape, 1.0e-3, zero, 0.0, 0.0);
delay(tau1 - delta1);
rgpulse(2.0*pw, zero, 0.0, rof1);
txphase(one);
decpwrf(rfC);
zgradpulse(gzlvl5,gt5);
delay(lambda - delta1 - gt5 - rof1 - GRADIENT_DELAY - POWER_DELAY - 0.5e-3 + 70.0e-6);
*/
delay(lambda - gt5 - rof1 - SAPS_DELAY - GRADIENT_DELAY + tau1);
decrgpulse(2*pwC, zero, 0.0, 0.0);
delay(tau1 - delta1);
rgpulse(2.0*pw, zero, 0.0, rof1);
txphase(one);
zgradpulse(gzlvl5,gt5);
delay(lambda - delta1 - gt5 - rof1 - GRADIENT_DELAY);
rgpulse(pw, one, 0.0, rof1);
decphase(t2);
txphase(zero);
if(mag_flg[A] == 'y')
magradpulse(gzcal*gzlvl3,gt3);
else
zgradpulse(gzlvl3,gt3);
delay(grecov);
decrgpulse(pwC, t2, rof1, 0.0);
decphase(zero);
delay(tau2);
dec2rgpulse(2.0*pwN,zero,0.0,0.0);
delay(tCH - 2*pwN);
rgpulse(2.0*pw, zero, 0.0, 0.0);
decphase(t3);
delay(tCC - tCH + tau2 - delta2 - 2.0*pw);
decrgpulse(2.0*pwC, t3, 0.0, 0.0);
decphase(t4);
delay(tCC - delta2);
decrgpulse(pwC, t4, 0.0, rof1);
txphase(zero);
decphase(zero);
if(RELAY[A] == 'y')
{
zgradpulse(gzlvl4, gt4);
delay(tCC - gt4 - GRADIENT_DELAY - pwC);
decrgpulse(2.0*pwC, zero, 0.0, 0.0);
zgradpulse(gzlvl4, gt4);
delay(tCC - gt4 - GRADIENT_DELAY - pwC);
decrgpulse(pwC, zero, 0.0, 0.0);
}
zgradpulse(gzlvl4,gt4);
delay(tCC - gt4);
decrgpulse(2.0*pwC, zero, 0.0, rof1);
if (H2O_flg[A] == 'y')
{
delay(tCC - gt4 - grecov - POWER_DELAY);
zgradpulse(gzlvl4,gt4);
txphase(one);
decphase(one);
delay(grecov);
decrgpulse(pwC, one, 0.0, rof1);
rgpulse(900*pw, one, 0.0, rof1);
txphase(zero);
rgpulse(500*pw, zero, rof1, rof1);
decphase(one);
if(mag_flg[A] == 'y')
magradpulse(gzcal*gzlvl7,gt7);
else
zgradpulse(gzlvl7,gt7);
delay(200.0e-6);
simpulse(pw, pwC, zero, one, 0.0, rof1);
decphase(zero);
zgradpulse(gzlvl4,gt4);
delay(tCH - gt4);
simpulse(2.0*pw, 2.0*pwC, zero, zero, 0.0, rof1);
zgradpulse(gzlvl4,gt4);
delay(tCH - gt4);
}
else
{
delay(tCC - tCH - 2.0*pw - POWER_DELAY);
rgpulse(2.0*pw, zero, 0.0, rof1);
zgradpulse(gzlvl4,gt4);
delay(tCH - gt4 - rof1);
}
decrgpulse(pwC, zero, 0.0, rof1);
txphase(zero);
if(mag_flg[A] == 'y')
magradpulse(gzcal*gzlvl8,gt8);
else
zgradpulse(gzlvl8,gt8);
delay(grecov);
if(dm3[B] == 'y') /*optional 2H decoupling off */
{
dec3rgpulse(1/dmf3, three, 0.0, 0.0);
dec3blank();
setstatus(DEC3ch, FALSE, 'w', FALSE, dmf3);
dec3blank();
}
rgpulse(pw, zero, 0.0, rof1);
if (SHAPE[A] =='y')
{
decpwrf(rfst);
if(mag_flg[A] == 'y')
magradpulse(gzcal*gzlvl9,gt9);
else
zgradpulse(gzlvl9,gt9);
delay(lambda - gt9 - GRADIENT_DELAY - POWER_DELAY - WFG2_START_DELAY - 0.5e-3 + 70.0e-6);
simshaped_pulse("",rna_stCshape,2*pw, 1.0e-3, zero, zero, 0.0, rof1);
decphase(zero);
if(mag_flg[A] == 'y')
magradpulse(gzcal*gzlvl9,gt9);
else
zgradpulse(gzlvl9,gt9);
decpwrf(rfC);
if (STUD[A]=='y') decpower(studlvl); else decpower(dpwr);
delay(lambda - gt9 -rof1 -0.5*pw - 2*POWER_DELAY - GRADIENT_DELAY - 0.5e-3 + 70.0e-6);
}
else
{
if(mag_flg[A] == 'y')
magradpulse(gzcal*gzlvl9,gt9);
else
zgradpulse(gzlvl9,gt9);
delay(lambda - gt9 - GRADIENT_DELAY);
simpulse(2*pw, 2*pwC, zero, zero, 0.0, rof1);
if(mag_flg[A] == 'y')
magradpulse(gzcal*gzlvl9,gt9);
else
zgradpulse(gzlvl9,gt9);
if (STUD[A]=='y') decpower(studlvl); else decpower(dpwr);
delay(lambda - gt9 -rof1 -0.5*pw - POWER_DELAY - GRADIENT_DELAY);
}
rgpulse(pw, zero, rof1, rof2);
rcvron();
if (dm3[B] == 'y') lk_sample();
setreceiver(t11);
if ((STUD[A]=='y') && (dm[C] == 'y'))
{
decunblank();
decon();
decprgon(rna_stCdec,1/stdmf, 1.0);
startacq(alfa);
acquire(np, 1.0/sw);
decprgoff();
decoff();
decblank();
}
else
status(C);
setreceiver(t11);
}
pulsesequence()
{
char f1180[MAXSTR],
f2180[MAXSTR],
mag_flg[MAXSTR],
flg_3919[MAXSTR],
ref_flg[MAXSTR];
int phase, ni2,
t1_counter,
t2_counter;
double gzcal = getval("gzcal"),
factor = 0.08, /* used for 3-9-19 water gate */
tau_3919 = getval("tau_3919"),
flipphase = getval("flipphase"),
tau1, /* t1 delay */
tau2, /* t2 delay */
taua, /* 1/4JNH ~ 2.3 ms */
taub, /* 1/4JNH ~ 2.3 ms */
bigT, /* ~ 19 ms */
pwNlvl,
pwN,
gt1,
gt2,
gt3,
gt4,
gt5,
gt6,
gt7,
gt8,
gzlvl1,
gzlvl2,
gzlvl3,
gzlvl4,
gzlvl5,
gzlvl6,
gzlvl7,
gzlvl8,
compH = getval("compH"), /* adjustment for C13 amplifier compression */
pwHs = getval("pwHs"), /* H1 90 degree pulse length at tpwrs */
tpwrsf = getval("tpwrsf"), /* fine power adjustment for flipback pulse */
tpwrs; /* power for the pwHs ("H2Osinc") pulse */
/* LOAD VARIABLES */
getstr("f1180",f1180);
getstr("f2180",f2180);
getstr("flg_3919", flg_3919);
getstr("mag_flg", mag_flg);
getstr("ref_flg", ref_flg);
taua = getval("taua");
taub = getval("taub");
bigT = getval("bigT");
tpwr = getval("tpwr");
pwNlvl = getval("pwNlvl");
pwN = getval("pwN");
dpwr = getval("dpwr");
dpwr2 = getval("dpwr2");
phase = (int)( getval("phase") + 0.5);
phase2 = (int)( getval("phase2") + 0.5);
sw1 = getval("sw1");
sw2 = getval("sw2");
ni = getval("ni");
ni2 = getval("ni2");
gt1 = getval("gt1");
gt2 = getval("gt2");
gt3 = getval("gt3");
gt4 = getval("gt4");
gt5 = getval("gt5");
gt6 = getval("gt6");
gt7 = getval("gt7");
gt8 = getval("gt8");
gzlvl1 = getval("gzlvl1");
gzlvl2 = getval("gzlvl2");
gzlvl3 = getval("gzlvl3");
gzlvl4 = getval("gzlvl4");
gzlvl5 = getval("gzlvl5");
gzlvl6 = getval("gzlvl6");
gzlvl7 = getval("gzlvl7");
gzlvl8 = getval("gzlvl8");
/* LOAD PHASE TABLE */
settable(t1,4,phi1);
settable(t2,2,phi2);
settable(t3,8,phi3);
settable(t4,16, phi4);
if (ref_flg[A] == 'y')
{
settable(t10,8,ref);
}
else
{
settable(t10,8,rec);
}
/* selective H20 one-lobe sinc pulse */
tpwrs = tpwr - 20.0*log10(pwHs/(compH*pw*1.69)); /*needs 1.69 times more*/
tpwrs = (int) (tpwrs); /*power than a square pulse */
/* CHECK VALIDITY OF PARAMETER RANGES */
if (ref_flg[A] == 'y' && ni > 1)
{
printf(" Incorrect setting of ni and ref_flg.\n");
printf(" Please choose either ni=1 or ref_flg=n.\n");
psg_abort(1);
}
if (ref_flg[A] == 'y' && dps_flag)
{
printf(" Please use phase2 and ni2 for 2D reference spectrum\n");
if (ni2/sw2 > 2.0*(2.0*bigT - gt5 - 200.0e-6))
{
printf("ni2 is too big, should be < %f\n", 2.0*sw2*(2.0*bigT-gt5-200.0e-6));
psg_abort(1);
}
}
if ((ni2/sw2 > 2.0*(bigT - gt5 - 200.0e-6)) && (ref_flg[A] !='y'))
{
printf(" ni2 is too big, should be < %f\n", 2.0*sw2*(bigT-gt6-200.0e-6));
psg_abort(1);
}
if(dpwr2 > 50)
{
printf("don't fry the probe, dpwr2 is too large! ");
psg_abort(1);
}
if((dm[A] == 'y' || dm[B] == 'y' || dm[C] == 'y'))
{
printf("incorrect dec1 decoupler flags! should be 'nnn' ");
psg_abort(1);
}
if((dm2[A] == 'y' || dm2[B] == 'y' ))
{
printf("incorrect dec2 decoupler flags! Should be 'nny' ");
psg_abort(1);
}
/* Phase incrementation for hypercomplex 2D data */
if (phase == 2)
{
tsadd(t1,1,4);
}
if (phase2 == 2)
{
tsadd(t2,1,4);
}
/* Set up f1180 half_dwell time (1/sw1)/2.0 */
tau1 = d2 - (4.0*pw/PI + 2.0*pwN);
if(f1180[A] == 'y')
{
tau1 += (1.0/(2.0*sw1));
}
if(tau1 < 0.2e-6) tau1 = 0.0;
tau1 = tau1/2.0;
/* Set up f2180 half dwell time (1/sw2)/2.0 */
tau2 = d3;
if(f2180[A] == 'y')
{
tau2 += (1.0/(2.0*sw2));
}
if(tau2 < 0.2e-6) tau2 = 0.0;
tau2 = tau2/2.0;
/* Calculate modifications to phases for States-TPPI acquisition */
if( ix == 1) d2_init = d2 ;
t1_counter = (int)((d2-d2_init)*sw1 + 0.5);
if(t1_counter % 2)
{
tsadd(t1,2,4);
tsadd(t10,2,4);
}
if( ix == 1) d3_init = d3 ;
t2_counter = (int)((d3-d3_init)*sw2 + 0.5);
if(t2_counter % 2)
{
tsadd(t2,2,4);
tsadd(t10,2,4);
}
if (flipphase < -0.01) flipphase = flipphase + 360.0;
initval(flipphase, v10);
obsstepsize(0.25);
/* BEGIN ACTUAL PULSE SEQUENCE */
status(A);
obspower(tpwr);
dec2power(pwNlvl);
txphase(zero);
dec2phase(zero);
delay(d1);
if(gt1 > 0.2e-6)
{
dec2rgpulse(pwN, zero, 0.2e-6, 0.0);
delay(2.0e-6);
zgradpulse(gzlvl1, gt1);
delay(0.001);
}
rcvroff();
status(B);
rgpulse(pw, zero,rof1, 0.0);
delay(2.0e-6);
if (gt2 > 0.2e-6)
zgradpulse(gzlvl2,gt2);
delay(taua - gt2 - 2.0e-6);
sim3pulse(2.0*pw,(double)0.0,2.0*pwN, zero, zero, zero, 0.0, 0.0);
delay(taua - gt2 - 400.0e-6);
if (gt2 > 0.2e-6)
{
zgradpulse(gzlvl2,gt2);
}
txphase(one);
dec2phase(t2);
delay(400.0e-6);
rgpulse(pw, one, 0.0, 0.0);
if (gt3 > 0.2e-6)
{
delay(2.0e-6);
zgradpulse(gzlvl3, gt3);
delay(200.0e-6);
}
txphase(zero);
dec2rgpulse(pwN, t2, 0.0, 0.0);
if (ref_flg[A] == 'y')
{
delay(tau2);
rgpulse(2.0*pw, zero, 0.0, 0.0);
dec2phase(t3);
if (gt5 > 0.2e-6)
{
delay(2.0*bigT - gt5 - 2.0*pw - 1.0e-3);
zgradpulse(gzlvl5, gt5);
delay(1.0e-3);
dec2rgpulse(2.0*pwN, t3, 0.0, 0.0);
delay(2.0e-6);
zgradpulse(gzlvl5, gt5);
delay(2.0*bigT - tau2 - gt5 - 2.0e-6);
}
else
{
delay(2.0*bigT - 2.0*pw);
dec2rgpulse(2.0*pwN, t3, 0.0, 0.0);
delay(2.0*bigT - tau2);
}
}
else
{
dec2phase(zero);
if (gt4 > 0.2e-6)
{
delay(2.0e-6);
zgradpulse(gzlvl4, gt4);
delay(bigT - gt4 - 2.0e-6);
sim3pulse(2.0*pw,(double)0.0, 2.0*pwN, zero,zero, zero, 0.0, 0.0);
delay(2.0e-6);
zgradpulse(gzlvl4, gt4);
delay(1.0e-3 - 2.0e-6);
}
else
{
delay(bigT);
sim3pulse(2.0*pw,(double)0.0, 2.0*pwN, zero,zero, zero, 0.0, 0.0);
delay(1.0e-3);
gt4 = 0.0;
}
zgradpulse(gzlvl5, gt5);
txphase(t1);
delay(bigT - gt4 - gt5 - 1.0e-3 - 2.0*GRADIENT_DELAY);
rgpulse(pw, t1, 0.0, 0.0);
delay(tau1);
dec2rgpulse(2.0*pwN, t3, 0.0, 0.0);
txphase(zero);
delay(tau1);
rgpulse(pw, zero, 0.0, 0.0);
delay(2.0e-6);
zgradpulse(gzlvl5, gt5);
dec2phase(t4);
if (gt6 > 0.2e-6)
{
delay(tau2 + 100.0e-6);
zgradpulse(gzlvl6, gt6);
delay(bigT - gt5 - gt6 - 100.0e-6 - 2.0*GRADIENT_DELAY);
sim3pulse(2.0*pw,(double)0.0, 2.0*pwN, zero,zero, t4, 0.0, 0.0);
delay(2.0e-6);
dec2phase(zero);
zgradpulse(gzlvl6, gt6);
delay(bigT - tau2 - gt6 - 2.0e-6);
}
else
{
delay(bigT + tau2 - gt5 - 2.0*GRADIENT_DELAY);
sim3pulse(2.0*pw,(double)0.0, 2.0*pwN, zero,zero, t4, 0.0, 0.0);
dec2phase(zero);
delay(bigT - tau2);
}
}
if (gt7 > 0.2e-6)
{
dec2rgpulse(pwN, zero, 0.0,2.0e-6);
zgradpulse(gzlvl7, gt7);
txphase(zero);
delay(200.0e-6);
if (pwHs > 0.2e-6)
{
xmtrphase(v10);
if (tpwrsf<4095.0) {obspower(tpwrs+6.0); obspwrf(tpwrsf);}
else obspower(tpwrs);
txphase(two);
shaped_pulse("H2Osinc", pwHs, two, 2.0e-6, 0.0);
xmtrphase(zero);
obspower(tpwr); obspwrf(4095.0);
}
rgpulse(pw, zero, 2.0e-6, 0.0);
}
else
{
sim3pulse(pw,(double)0.0, pwN, zero,zero, zero, 0.0, 0.0);
}
delay(2.0e-6);
if(mag_flg[A] == 'y')
{
magradpulse(gzcal*gzlvl8, gt8);
}
else
{
zgradpulse(gzlvl8, gt8);
}
if (flg_3919[A] == 'y')
{
delay(taub - 31.0*factor*pw - 2.5*tau_3919 - gt8 - 2.0e-6);
rgpulse(pw*factor*3.0, two, 0.0, 0.0);
delay(tau_3919);
rgpulse(pw*factor*9.0, two, 0.0, 0.0);
delay(tau_3919);
rgpulse(pw*factor*19.0, two, 0.0, 0.0);
delay(tau_3919/2.0 - pwN);
dec2rgpulse(2.0*pwN, zero, 0.0, 0.0);
delay(tau_3919/2.0 - pwN);
rgpulse(pw*factor*19.0, zero, 0.0, 0.0);
delay(tau_3919);
rgpulse(pw*factor*9.0, zero, 0.0, 0.0);
delay(tau_3919);
rgpulse(pw*factor*3.0, zero, 0.0, 0.0);
delay(taub - 31.0*factor*pw - 2.5*tau_3919 - gt8 - POWER_DELAY - 402.0e-6);
}
else
{
if (tpwrsf<4095.0) {obspower(tpwrs+6.0); obspwrf(tpwrsf);}
else obspower(tpwrs);
txphase(two);
xmtrphase(v10);
delay(taub - pwHs - gt8 - 2.0*POWER_DELAY - 2.0e-6);
shaped_pulse("H2Osinc", pwHs, two, 0.0, 0.0);
obspower(tpwr); obspwrf(4095.0);
xmtrphase(zero);
txphase(zero);
sim3pulse(2.0*pw, (double)0.0, 2.0*pwN, zero, zero, zero, 2.0e-6, 0.0);
if (tpwrsf<4095.0) {obspower(tpwrs+6.0); obspwrf(tpwrsf);}
else obspower(tpwrs);
txphase(two);
xmtrphase(v10);
shaped_pulse("H2Osinc", pwHs, two, 2.0e-6, 0.0);
xmtrphase(zero);
obspower(tpwr); obspwrf(4095.0);
dec2power(dpwr2);
delay(taub - pwHs - gt8 - 3.0*POWER_DELAY - 402.0e-6);
}
dec2power(dpwr2);
if(mag_flg[A] == 'y')
{
magradpulse(gzcal*gzlvl8, gt8);
}
else
{
zgradpulse(gzlvl8, gt8);
}
delay(400.0e-6);
status(C);
setreceiver(t10);
rcvron();
}
void pulsesequence()
{
/* DECLARE AND LOAD VARIABLES */
char f1180[MAXSTR], /* Flag to start t1 @ halfdwell */
f2180[MAXSTR], /* Flag to start t2 @ halfdwell */
mag_flg[MAXSTR], /* magic-angle coherence transfer gradients */
TROSY[MAXSTR]; /* do TROSY on N15 and H1 */
int icosel, /* used to get n and p type */
t1_counter, /* used for states tppi in t1 */
t2_counter, /* used for states tppi in t2 */
PRexp, /* projection-reconstruction flag */
ni = getval("ni"),
ni2 = getval("ni2");
double tau1, /* t1 delay */
tau2, /* t2 delay */
tauCH = getval("tauCH"), /* 1/4J delay for CH */
zeta = getval("zeta"), /* zeta delay, 0.006 for 1D, 0.011 for 2D*/
timeTN = getval("timeTN"), /* constant time for 15N evolution */
timeCH = 1.1e-3, /* other delays */
timeAB = 3.3e-3,
kappa = 5.4e-3,
lambda = 2.4e-3,
csa, sna,
pra = M_PI*getval("pra")/180.0,
bw, ofs, ppm, /* temporary Pbox parameters */
pwClvl = getval("pwClvl"), /* coarse power for C13 pulse */
pwC = getval("pwC"), /* C13 90 degree pulse length at pwClvl */
rf0, /* maximum fine power when using pwC pulses */
/* 90 degree pulse at Cab(46ppm), first off-resonance null at CO (174ppm) */
pwC1, /* 90 degree pulse length on C13 at rf1 */
rf1, /* fine power for 5.1 kHz rf for 600MHz magnet */
/* 180 degree pulse at Cab(46ppm), first off-resonance null at CO(174ppm) */
pwC2, /* 180 degree pulse length at rf2 */
rf2, /* fine power for 11.4 kHz rf for 600MHz magnet */
/* the following pulse lengths for SLP pulses are automatically calculated */
/* by the macro "biocal". SLP pulse shapes, "offC7" etc are called */
/* directly from your shapelib. */
pwC7, /* 180 degree selective sinc pulse on CO(174ppm) */
rf7, /* fine power for the pwC7 ("offC7") pulse */
compH = getval("compH"), /* adjustment for C13 amplifier compression */
compC = getval("compC"), /* adjustment for C13 amplifier compression */
pwH, /* H1 90 degree pulse length at tpwr1 */
tpwr1, /* 9.2 kHz rf magnet for DIPSI-2 */
DIPSI2time, /* total length of DIPSI-2 decoupling */
ncyc_dec,
waltzB1=getval("waltzB1"),
pwNlvl = getval("pwNlvl"), /* power for N15 pulses */
pwN = getval("pwN"), /* N15 90 degree pulse length at pwNlvl */
sw1 = getval("sw1"),
sw2 = getval("sw2"),
gt1 = getval("gt1"), /* coherence pathway gradients */
gzcal = getval("gzcal"), /* g/cm to DAC conversion factor */
gzlvl1 = getval("gzlvl1"),
gzlvl2 = getval("gzlvl2"),
gt0 = getval("gt0"), /* other gradients */
gt3 = getval("gt3"),
gt4 = getval("gt4"),
gt5 = getval("gt5"),
gstab = getval("gstab"),
gzlvl0 = getval("gzlvl0"),
gzlvl3 = getval("gzlvl3"),
gzlvl4 = getval("gzlvl4"),
gzlvl5 = getval("gzlvl5"),
gzlvl6 = getval("gzlvl6");
getstr("f1180",f1180);
getstr("f2180",f2180);
getstr("mag_flg",mag_flg);
getstr("TROSY",TROSY);
csa = cos(pra);
sna = sin(pra);
/* LOAD PHASE TABLE */
settable(t3,1,phx);
settable(t4,1,phx);
if (TROSY[A]=='y')
{settable(t8,2,phi8T);
settable(t9,1,phx);
settable(t10,1,phy);
settable(t11,1,phx);
settable(t12,2,recT);}
else
{settable(t8,2,phi8);
settable(t9,8,phi9);
settable(t10,1,phx);
settable(t11,1,phy);
settable(t12,4,rec);}
/* INITIALIZE VARIABLES */
if( dpwrf < 4095 )
{ printf("reset dpwrf=4095 and recalibrate C13 90 degree pulse");
psg_abort(1); }
/* set zeta to 6ms for 1D spectral check, otherwise it will be the */
/* value in the dg2 parameter set (about 11ms) for 2D/13C and 3D work */
if (ni>1) zeta = zeta;
else zeta = 0.006;
/* maximum fine power for pwC pulses */
rf0 = 4095.0;
setautocal(); /* activate auto-calibration flags */
if (autocal[0] == 'n')
{
/* 90 degree pulse on Cab, null at CO 128ppm away */
pwC1 = sqrt(15.0)/(4.0*128.0*dfrq);
rf1 = 4095.0*(compC*pwC/pwC1);
rf1 = (int) (rf1 + 0.5);
/* 180 degree pulse on Cab, null at CO 128ppm away */
pwC2 = sqrt(3.0)/(2.0*128.0*dfrq);
rf2 = (4095.0*compC*pwC*2.0)/pwC2;
rf2 = (int) (rf2 + 0.5);
if( rf2 > 4295 )
{ printf("increase pwClvl"); psg_abort(1);}
if(( rf2 < 4296 ) && (rf2>4095)) rf2=4095;
/* 180 degree one-lobe sinc pulse on CO, null at Ca 118m away */
pwC7 = getval("pwC7");
rf7 = (compC*4095.0*pwC*2.0*1.65)/pwC7; /* needs 1.65 times more */
rf7 = (int) (rf7 + 0.5); /* power than a square pulse */
}
else /* if autocal = 'y'(yes), 'q'(quiet), r(read), or 's'(semi) */
{
if(FIRST_FID) /* call Pbox */
{
ppm = getval("dfrq");
bw = 128.0*ppm; ofs = bw;
offC1 = pbox_Rcal("square90n", bw, compC*pwC, pwClvl);
offC2 = pbox_Rcal("square180n", bw, compC*pwC, pwClvl);
bw = 118.0*ppm;
offC7 = pbox_make("offC7", "sinc180n", bw, ofs, compC*pwC, pwClvl);
if (dm3[B] == 'y') H2ofs = 3.2;
ofs_check(H1ofs, C13ofs, N15ofs, H2ofs);
}
pwC1 = offC1.pw; rf1 = offC1.pwrf;
pwC2 = offC2.pw; rf2 = offC2.pwrf;
pwC7 = offC7.pw; rf7 = offC7.pwrf;
/* Example of semi-automatic calibration - use parameters, if they exist :
if ((autocal[0] == 's') || (autocal[1] == 's'))
{
if (find("pwC1") > 0) pwC1 = getval("pwC1");
if (find("rf1") > 0) rf1 = getval("rf1");
}
*/
}
/* power level and pulse times for DIPSI 1H decoupling */
DIPSI2time = 2.0*zeta + 2.0*timeTN - 5.4e-3 + pwC1 + 5.0*pwN + gt3 + 5.0e-5 + 2.0*GRADIENT_DELAY + 3.0*POWER_DELAY;
pwH=1.0/(4.0*waltzB1);
ncyc_dec = (DIPSI2time*90.0)/(pwH*2590.0*4.0);
ncyc_dec = (int) (ncyc_dec +0.5);
pwH = (DIPSI2time*90.0)/(ncyc_dec*2590.0*4.0); /* adjust pwH */
tpwr1 = 4095.0*(compH*pw/pwH);
tpwr1 = (int) (2.0*tpwr1 + 0.5); /* x2 because obs atten will be reduced by 6dB */
/* CHECK VALIDITY OF PARAMETER RANGES */
if ( 0.5*ni*1/(sw1) > timeAB - gt4 - WFG_START_DELAY - pwC7 )
{ printf(" ni is too big. Make ni equal to %d or less.\n",
((int)((timeAB - gt4 - WFG_START_DELAY - pwC7)*2.0*sw1))); psg_abort(1);}
PRexp = 0;
if((pra > 0.0) && (pra < 90.0)) PRexp = 1;
if (PRexp)
{
if( 0.5*ni*sna/sw1 > timeTN - WFG3_START_DELAY)
{ printf(" ni is too big. Make ni equal to %d or less.\n",
((int)((timeTN - WFG3_START_DELAY)*2.0*sw1/sna))); psg_abort(1);}
}
else
{
if ( 0.5*ni2*1/(sw2) > timeTN - WFG3_START_DELAY)
{ printf(" ni2 is too big. Make ni2 equal to %d or less.\n",
((int)((timeTN - WFG3_START_DELAY)*2.0*sw2))); psg_abort(1);}
}
if ( dm[A] == 'y' || dm[B] == 'y' || dm[C] == 'y' )
{ printf("incorrect dec1 decoupler flags! Should be 'nnn' "); psg_abort(1);}
if ( dm2[A] == 'y' || dm2[B] == 'y' )
{ printf("incorrect dec2 decoupler flags! Should be 'nny' "); psg_abort(1);}
if ( dm3[A] == 'y' || dm3[C] == 'y' )
{ printf("incorrect dec3 decoupler flags! Should be 'nyn' or 'nnn' ");
psg_abort(1);}
if ( dpwr2 > 50 )
{ printf("dpwr2 too large! recheck value "); psg_abort(1);}
if ( pw > 20.0e-6 )
{ printf(" pw too long ! recheck value "); psg_abort(1);}
if ( pwN > 100.0e-6 )
{ printf(" pwN too long! recheck value "); psg_abort(1);}
if ( TROSY[A]=='y' && dm2[C] == 'y')
{ text_error("Choose either TROSY='n' or dm2='n' ! "); psg_abort(1);}
/* PHASES AND INCREMENTED TIMES */
/* Phase incrementation for hypercomplex 2D data, States-Haberkorn element */
if (phase1 == 2) tsadd(t3,1,4);
if (TROSY[A]=='y')
{ if (phase2 == 2) icosel = +1;
else {tsadd(t4,2,4); tsadd(t10,2,4); icosel = -1;}
}
else { if (phase2 == 2) {tsadd(t10,2,4); icosel = +1;}
else icosel = -1;
}
/* Set up f1180 */
if(PRexp) /* set up Projection-Reconstruction experiment */
tau1 = d2*csa;
else
tau1 = d2;
if((f1180[A] == 'y') && (ni > 1.0))
{ tau1 += ( 1.0 / (2.0*sw1) ); if(tau1 < 0.2e-6) tau1 = 0.0; }
tau1 = tau1/2.0;
/* Set up f2180 */
if(PRexp)
tau2 = d2*sna;
else
{
tau2 = d3;
if((f2180[A] == 'y') && (ni2 > 1.0))
{ tau2 += ( 1.0 / (2.0*sw2) ); if(tau2 < 0.2e-6) tau2 = 0.0; }
}
tau2 = tau2/2.0;
/* Calculate modifications to phases for States-TPPI acquisition */
if( ix == 1) d2_init = d2;
t1_counter = (int) ( (d2-d2_init)*sw1 + 0.5 );
if(t1_counter % 2)
{ tsadd(t3,2,4); tsadd(t12,2,4); }
if( ix == 1) d3_init = d3;
t2_counter = (int) ( (d3-d3_init)*sw2 + 0.5 );
if(t2_counter % 2)
{ tsadd(t8,2,4); tsadd(t12,2,4); }
/* BEGIN ACTUAL PULSE SEQUENCE */
status(A);
delay(d1);
if ( dm3[B] == 'y' )
{ lk_hold(); lk_sampling_off();} /*freezes z0 correction, stops lock pulsing*/
rcvroff();
obspower(tpwr);
decpower(pwClvl);
dec2power(pwNlvl);
decpwrf(rf0);
obsoffset(tof);
txphase(zero);
delay(1.0e-5);
if (TROSY[A] == 'n')
dec2rgpulse(pwN, zero, 0.0, 0.0); /*destroy N15 and C13 magnetization*/
decrgpulse(pwC, zero, 0.0, 0.0);
zgradpulse(gzlvl0, 0.5e-3);
delay(1.0e-4);
if (TROSY[A] == 'n')
dec2rgpulse(pwN, one, 0.0, 0.0);
decrgpulse(pwC, zero, 0.0, 0.0);
zgradpulse(0.7*gzlvl0, 0.5e-3);
delay(5.0e-4);
rgpulse(pw,zero,0.0,0.0); /* 1H pulse excitation */
decphase(zero);
zgradpulse(gzlvl0, gt0);
delay(tauCH - gt0);
simpulse(2.0*pw, 2.0*pwC, zero, zero, 0.0, 0.0);
txphase(one);
decphase(t3);
zgradpulse(gzlvl0, gt0);
delay(tauCH - gt0);
rgpulse(pw, one, 0.0, 0.0);
zgradpulse(gzlvl3, gt3);
delay(2.0e-4);
if ( dm3[B] == 'y' ) /* begins optional 2H decoupling */
{
gt4=0.0; /* no gradients during 2H decoupling */
dec3rgpulse(1/dmf3,one,10.0e-6,2.0e-6);
dec3unblank();
dec3phase(zero);
delay(2.0e-6);
setstatus(DEC3ch, TRUE, 'w', FALSE, dmf3);
}
decrgpulse(pwC, t3, 0.0, 0.0);
/* point a */
txphase(zero);
decphase(zero);
decpwrf(rf7);
delay(tau1);
/* WFG3_START_DELAY */
sim3shaped_pulse("", "offC7", "", 0.0, pwC7, 2.0*pwN, zero, zero, zero,
0.0, 0.0);
zgradpulse(gzlvl4, gt4);
decpwrf(rf2);
if ( pwC7 > 2.0*pwN)
{delay(timeCH - pwC7 - gt4 - WFG3_START_DELAY - 2.0*pw);}
else
{delay(timeCH - 2.0*pwN - gt4 - WFG3_START_DELAY - 2.0*pw);}
rgpulse(2.0*pw,zero,0.0,0.0);
delay(timeAB - timeCH);
decrgpulse(pwC2, zero, 0.0, 0.0);
zgradpulse(gzlvl4, gt4);
decpwrf(rf7);
delay(timeAB - tau1 - gt4 - WFG_START_DELAY - pwC7 - 2.0e-6);
/* WFG_START_DELAY */
decshaped_pulse("offC7", pwC7, zero, 0.0, 0.0);
decpwrf(rf1); /* point b */
decrgpulse(pwC1, zero, 2.0e-6, 0.0);
obspwrf(tpwr1); obspower(tpwr-6); /* POWER_DELAY */
obsprgon("dipsi2", pwH, 5.0); /* PRG_START_DELAY */
xmtron();
/* point c */
dec2phase(zero);
decpwrf(rf2);
delay(zeta - POWER_DELAY - PRG_START_DELAY);
sim3pulse(0.0, pwC2, 2.0*pwN, zero, zero, zero, 0.0, 0.0);
decpwrf(rf1);
dec2phase(t8);
delay(zeta);
/* point d */
decrgpulse(pwC1, zero, 0.0, 0.0);
if ( dm3[B] == 'y' ) /* turns off 2H decoupling */
{
setstatus(DEC3ch, FALSE, 'c', FALSE, dmf3);
dec3rgpulse(1/dmf3,three,2.0e-6,2.0e-6);
dec3blank();
lk_autotrig(); /* resumes lock pulsing */
}
/* xxxxxxxxxxxxxxxxxx OPTIONS FOR N15 EVOLUTION xxxxxxxxxxxxxxxxxxxxx */
zgradpulse(gzlvl3, gt3);
if (TROSY[A]=='y') { xmtroff(); obsprgoff(); }
delay(2.0e-4);
dec2rgpulse(pwN, t8, 0.0, 0.0);
/* point e */
decpwrf(rf2);
decphase(zero);
dec2phase(t9);
delay(timeTN - WFG3_START_DELAY - tau2);
/* WFG3_START_DELAY */
sim3pulse(0.0, pwC2, 2.0*pwN, zero, zero, t9, 0.0, 0.0);
dec2phase(t10);
decpwrf(rf7);
if (TROSY[A]=='y')
{
if (tau2 > gt1 + 2.0*GRADIENT_DELAY + 1.0e-4)
{
txphase(t4);
delay(timeTN - pwC7 - WFG_START_DELAY); /* WFG_START_DELAY */
decshaped_pulse("offC7", pwC7, zero, 0.0, 0.0);
delay(tau2 - gt1 - 2.0*GRADIENT_DELAY - 1.0e-4);
if (mag_flg[A]=='y') magradpulse(gzcal*gzlvl1, gt1);
else zgradpulse(gzlvl1, gt1); /* 2.0*GRADIENT_DELAY */
obspwrf(4095.0); obspower(tpwr); /* POWER_DELAY */
delay(1.0e-4 - 2.0*POWER_DELAY);
}
else
{
txphase(t4);
delay(timeTN -pwC7 -WFG_START_DELAY -gt1 -2.0*GRADIENT_DELAY -1.0e-4);
if (mag_flg[A]=='y') magradpulse(gzcal*gzlvl1, gt1);
else zgradpulse(gzlvl1, gt1); /* 2.0*GRADIENT_DELAY */
obspwrf(4095.0); obspower(tpwr); /* POWER_DELAY */
delay(1.0e-4 - 2.0*POWER_DELAY); /* WFG_START_DELAY */
decshaped_pulse("offC7", pwC7, zero, 0.0, 0.0);
delay(tau2);
}
}
else
{
if (tau2 > kappa)
{
delay(timeTN - pwC7 - WFG_START_DELAY); /* WFG_START_DELAY */
decshaped_pulse("offC7", pwC7, zero, 0.0, 0.0);
delay(tau2 - kappa - PRG_STOP_DELAY);
xmtroff();
obsprgoff(); /* PRG_STOP_DELAY */
txphase(t4);
delay(kappa - gt1 - 2.0*GRADIENT_DELAY - 1.0e-4);
if (mag_flg[A]=='y') magradpulse(gzcal*gzlvl1, gt1);
else zgradpulse(gzlvl1, gt1); /* 2.0*GRADIENT_DELAY */
obspwrf(4095.0); obspower(tpwr); /* POWER_DELAY */
delay(1.0e-4 - 2.0*POWER_DELAY);
}
else if (tau2 > (kappa - pwC7 - WFG_START_DELAY))
{
delay(timeTN + tau2 - kappa - PRG_STOP_DELAY);
xmtroff();
obsprgoff(); /* PRG_STOP_DELAY */
txphase(t4); /* WFG_START_DELAY */
decshaped_pulse("offC7", pwC7, zero, 0.0, 0.0);
delay(kappa -pwC7 -WFG_START_DELAY -gt1 -2.0*GRADIENT_DELAY -1.0e-4);
if (mag_flg[A]=='y') magradpulse(gzcal*gzlvl1, gt1);
else zgradpulse(gzlvl1, gt1); /* 2.0*GRADIENT_DELAY */
obspwrf(4095.0); obspower(tpwr); /* POWER_DELAY */
delay(1.0e-4 - 2.0*POWER_DELAY);
}
else if (tau2 > gt1 + 2.0*GRADIENT_DELAY + 1.0e-4)
{
delay(timeTN + tau2 - kappa - PRG_STOP_DELAY);
xmtroff();
obsprgoff(); /* PRG_STOP_DELAY */
txphase(t4);
delay(kappa - tau2 - pwC7 - WFG_START_DELAY); /* WFG_START_DELAY */
decshaped_pulse("offC7", pwC7, zero, 0.0, 0.0);
delay(tau2 - gt1 - 2.0*GRADIENT_DELAY - 1.0e-4);
if (mag_flg[A]=='y') magradpulse(gzcal*gzlvl1, gt1);
else zgradpulse(gzlvl1, gt1); /* 2.0*GRADIENT_DELAY */
obspwrf(4095.0); obspower(tpwr); /* POWER_DELAY */
delay(1.0e-4 - 2.0*POWER_DELAY);
}
else
{
delay(timeTN + tau2 - kappa - PRG_STOP_DELAY);
xmtroff();
obsprgoff(); /* PRG_STOP_DELAY */
txphase(t4);
delay(kappa-tau2-pwC7-WFG_START_DELAY-gt1-2.0*GRADIENT_DELAY-1.0e-4);
if (mag_flg[A]=='y') magradpulse(gzcal*gzlvl1, gt1);
else zgradpulse(gzlvl1, gt1); /* 2.0*GRADIENT_DELAY */
obspwrf(4095.0); obspower(tpwr); /* POWER_DELAY */
delay(1.0e-4 - 2.0*POWER_DELAY); /* WFG_START_DELAY */
decshaped_pulse("offC7", pwC7, zero, 0.0, 0.0);
delay(tau2);
}
} /* point f */
/* xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx */
if (TROSY[A]=='y') rgpulse(pw, t4, 0.0, 0.0);
else sim3pulse(pw, 0.0, pwN, t4, zero, t10, 0.0, 0.0);
txphase(zero);
dec2phase(zero);
zgradpulse(gzlvl5, gt5);
if (TROSY[A]=='y') delay(lambda - 0.65*(pw + pwN) - gt5);
else delay(lambda - 1.3*pwN - gt5);
sim3pulse(2.0*pw, 0.0, 2.0*pwN, zero, zero, zero, 0.0, 0.0);
zgradpulse(gzlvl5, gt5);
txphase(one);
dec2phase(t11);
delay(lambda - 1.3*pwN - gt5);
sim3pulse(pw, 0.0, pwN, one, zero, t11, 0.0, 0.0);
txphase(zero);
dec2phase(zero);
zgradpulse(gzlvl6, gt5);
delay(lambda - 1.3*pwN - gt5);
sim3pulse(2.0*pw, 0.0, 2.0*pwN, zero, zero, zero, 0.0, 0.0);
dec2phase(t10);
zgradpulse(gzlvl6, gt5);
if (TROSY[A]=='y') delay(lambda - 1.6*pwN - gt5);
else delay(lambda - 0.65*pwN - gt5);
if (TROSY[A]=='y') dec2rgpulse(pwN, t10, 0.0, 0.0);
else rgpulse(pw, zero, 0.0, 0.0);
delay((gt1/10.0) + 1.0e-4 +gstab - 0.5*pw + 2.0*GRADIENT_DELAY + POWER_DELAY);
rgpulse(2.0*pw, zero, 0.0, rof1);
dec2power(dpwr2); /* POWER_DELAY */
if (mag_flg[A] == 'y') magradpulse(icosel*gzcal*gzlvl2, gt1/10.0);
else zgradpulse(icosel*gzlvl2, gt1/10.0); /* 2.0*GRADIENT_DELAY */
delay(gstab);
rcvron();
statusdelay(C,1.0e-4 - rof1);
if (dm3[B]=='y') lk_sample();
setreceiver(t12);
}
pulsesequence()
{
char
f1180[MAXSTR],
f2180[MAXSTR],
mag_flg[MAXSTR]; /* y for magic angle, n for z-gradient only */
int
icosel,
t1_counter,
t2_counter;
double
ni2,
ratio, /* used to adjust t1 semi-constant time increment */
tau1,
tau2,
taua, /* ~ 1/4JCH = 1.5 ms - 1.7 ms] */
taub, /* ~ 3.3 ms */
bigTC, /* ~ 8 ms */
bigTCO, /* ~ 6 ms */
bigTN, /* ~ 12 ms */
tauc, /* ~ 5.4 ms */
taud, /* ~ 2.3 ms */
gstab, /* ~0.2 ms, gradient recovery time */
pwClvl, /* High power level for carbon on channel 2 */
pwC, /* C13 90 degree pulse length at pwClvl */
compH, /* Compression factor for H1 on channel 1 */
compC, /* Compression factor for C13 on channel 2 */
pwNlvl, /* Power level for Nitrogen on channel 3 */
pwN, /* N15 90 degree pulse lenght at pwNlvl */
maxpwCN,
bw, ofs, ppm, /* bandwidth, offset, ppm - temporary Pbox parameters */
pwCa90, /*90 "offC13" pulse at Ca(56ppm) xmtr at CO(174ppm) */
pwCa180, /*180 "offC17" pulse at Ca(56ppm) xmtr at CO(174ppm) */
pwCO90, /* 90 "offC6" pulse at CO(174ppm) xmtr at CO(174ppm)*/
pwCO180, /* 180 "offC8" pulse at CO(174ppm) xmtr at CO(174ppm)*/
pwCab180, /* 180 "offC27" pulse at Cab(46ppm) xmtr at CO(174ppm)*/
tpwrHd, /* Power level for proton decoupling on channel 1 */
pwHd, /* H1 90 degree pulse lenth at tpwrHd. */
waltzB1 = getval("waltzB1"), /* waltz16 field strength (in Hz) */
phi_CO, /* phase correction for Bloch-Siegert effect on CO */
phi_Ca, /* phase correction for Bloch-Siegert effect on Ca */
gt1,
gt2,
gt3,
gt4,
gt5,
gt6,
gt7,
gt0,
gzlvl1,
gzlvl2,
gzlvl3,
gzlvl4,
gzlvl5,
gzlvl6, /* N15 selection gradient level in DAC units */
gzlvl7,
gzlvl0, /* H1 gradient level in DAC units */
gzcal, /* gradient calibration (gcal) */
dfCa180,
dfCab180,
dfC90,
dfCa90,
dfCO180;
/* LOAD VARIABLES */
getstr("f1180",f1180);
getstr("f2180",f2180);
getstr("mag_flg", mag_flg);
gzcal = getval("gzcal");
ni2 = getval("ni2");
taua = getval("taua");
taub = getval("taub");
tauc = getval("tauc");
bigTC = getval("bigTC");
bigTCO = getval("bigTCO");
bigTN = getval("bigTN");
taud = getval("taud");
gstab = getval("gstab");
pwClvl = getval("pwClvl");
pwC = getval("pwC");
compH = getval("compH");
compC = getval("compC");
pwNlvl = getval("pwNlvl");
pwN = getval("pwN");
phi_CO = getval("phi_CO");
phi_Ca = getval("phi_Ca");
gt1 = getval("gt1");
gt2 = getval("gt2");
gt3 = getval("gt3");
gt4 = getval("gt4");
gt5 = getval("gt5");
gt6 = getval("gt6");
gt7 = getval("gt7");
gt0 = getval("gt0");
gzlvl1 = getval("gzlvl1");
gzlvl2 = getval("gzlvl2");
gzlvl3 = getval("gzlvl3");
gzlvl4 = getval("gzlvl4");
gzlvl5 = getval("gzlvl5");
gzlvl6 = getval("gzlvl6");
gzlvl7 = getval("gzlvl7");
gzlvl0 = getval("gzlvl0");
setautocal(); /* activate auto-calibration flags */
if (autocal[0] == 'n')
{
pwCa90 = getval("pwCa90");
pwCa180 = getval("pwCa180");
pwCab180 = getval("pwCab180");
pwCO90 = getval("pwCO90");
pwCO180 = getval("pwCO180");
dfCa180 = (compC*4095.0*pwC*2.0*1.69)/pwCa180; /*power for "offC17" pulse*/
dfCab180 = (compC*4095.0*pwC*2.0*1.69)/pwCab180; /*power for "offC27" pulse*/
dfC90 = (compC*4095.0*pwC*1.69)/pwCO90; /*power for "offC6" pulse */
dfCa90 = (compC*4095.0*pwC)/pwCa90; /*power for "offC13" pulse*/
dfCO180 = (compC*4095.0*pwC*2.0*1.65)/pwCO180; /*power for "offC8" pulse */
dfCa90 = (int) (dfCa90 + 0.5);
dfCa180 = (int) (dfCa180 + 0.5);
dfC90 = (int) (dfC90 + 0.5);
dfCO180 = (int) (dfCO180 + 0.5);
dfCab180 = (int) (dfCab180 +0.5);
/* power level and pulse time for WALTZ 1H decoupling */
pwHd = 1/(4.0 * waltzB1) ;
tpwrHd = tpwr - 20.0*log10(pwHd/(compH*pw));
tpwrHd = (int) (tpwrHd + 0.5);
}
else
{
if(FIRST_FID) /* call Pbox */
{
ppm = getval("dfrq"); bw = 118.0*ppm; ofs = -118.0*ppm;
offC6 = pbox_make("offC6", "sinc90n", bw, 0.0, compC*pwC, pwClvl);
offC8 = pbox_make("offC8", "sinc180n", bw, 0.0, compC*pwC, pwClvl);
offC17 = pbox_make("offC17", "sinc180n", bw, ofs, compC*pwC, pwClvl);
bw = 128.0*ppm;
offC13 = pbox_make("offC13", "square90n", bw, ofs, compC*pwC, pwClvl);
ofs = -128.0*ppm;
offC27 = pbox_make("offC27", "sinc180n", bw, ofs, compC*pwC, pwClvl);
bw = 2.8*7500.0;
wz16 = pbox_Dcal("WALTZ16", 2.8*waltzB1, 0.0, compH*pw, tpwr);
ofs_check(H1ofs, C13ofs, N15ofs, H2ofs);
}
dfC90 = offC6.pwrf; pwCO90 = offC6.pw;
dfCO180 = offC8.pwrf; pwCO180 = offC8.pw;
dfCa90 = offC13.pwrf; pwCa90 = offC13.pw;
dfCa180 = offC17.pwrf; pwCa180 = offC17.pw;
dfCab180 = offC27.pwrf; pwCab180 = offC27.pw;
tpwrHd = wz16.pwr; pwHd = 1.0/wz16.dmf;
}
maxpwCN = 2.0*pwN;
if (pwCab180 > pwN) maxpwCN = pwCab180;
/* LOAD PHASE TABLE */
settable(t1,4,phi1);
settable(t2,2,phi2);
settable(t3,8,phi3);
settable(t4,16,phi4);
settable(t5,1,phi5);
settable(t16,8,rec);
/* CHECK VALIDITY OF PARAMETER RANGES */
if(ni > 64)
{
printf("ni is out of range. Should be: 14 to 64 ! \n");
psg_abort(1);
}
/*
if(ni/sw1 > 2.0*(bigTCO))
{
printf("ni is too big, should be < %f\n", sw1*2.0*(bigTCO));
psg_abort(1);
}
*/
if(ni2/sw2 > 2.0*(bigTN - pwCO180))
{
printf("ni2 is too big, should be < %f\n",2.0*sw2*(bigTN-pwCO180));
psg_abort(1);
}
if((dm[A] == 'y' || dm[B] == 'y' ))
{
printf("incorrect dec1 decoupler flags! Should be 'nnn' ");
psg_abort(1);
}
if((dm2[A] == 'y' || dm2[B] == 'y'))
{
printf("incorrect dec2 decoupler flags! Should be 'nny' ");
psg_abort(1);
}
if( dpwr > 50 )
{
printf("don't fry the probe, DPWR too large! ");
psg_abort(1);
}
/* Phase incrementation for hypercomplex 2D data */
if (phase1 == 1)
{
tsadd(t1, 1, 4);
}
if (phase2 == 2)
{
tsadd(t5,2,4);
icosel = 1;
}
else icosel = -1;
/* Set up f1180 tau1 = t1 */
tau1 = d2;
if ((f1180[A] == 'y') && (ni > 1))
{ tau1 += (1.0/(2.0*sw1)); }
if(tau1 < 0.2e-6) tau1 = 0.0;
tau1 = tau1/4.0;
ratio = 2.0*bigTCO*sw1/((double) ni);
ratio = (double)((int)(ratio*100.0))/100.0;
if (ratio > 1.0) ratio = 1.0;
if((dps_flag) && (ni > 1))
printf("ratio = %f => %f\n",2.0*bigTCO*sw1/((double) ni), ratio);
/* Set up f2180 tau2 = t2 */
tau2 = d3;
if ((f2180[A] == 'y') && (ni2 > 1))
{ tau2 += (1.0/(2.0*sw2)); }
if(tau2 < 0.2e-6) tau2 = 0.0;
tau2 = tau2/4.0;
/* Calculate modifications to phases for States-TPPI acquisition */
if( ix == 1) d2_init = d2 ;
t1_counter = (int)((d2-d2_init)*sw1 + 0.5);
if((t1_counter % 2))
{
tsadd(t1,2,4);
tsadd(t16,2,4);
}
if( ix == 1) d3_init = d3 ;
t2_counter = (int)((d3-d3_init)*sw2 + 0.5);
if((t2_counter % 2))
{
tsadd(t2,2,4);
tsadd(t16,2,4);
}
decstepsize(1.0);
initval(phi_CO, v1);
initval(phi_Ca, v2);
/* BEGIN ACTUAL PULSE SEQUENCE */
status(A);
delay(d1-1.0e-3);
obsoffset(tof);
decoffset(dof);
obspower(tpwr);
decpower(pwClvl);
decpwrf(4095.0);
dec2power(pwNlvl);
txphase(zero);
decphase(zero);
dec2phase(zero);
rcvroff();
if(gt6 > 0.2e-6)
{
delay(10.0e-6);
decrgpulse(pwC, zero, 1.0e-6, 1.0e-6);
delay(0.2e-6);
zgradpulse(gzlvl6, gt6);
}
decpwrf(dfCa180);
delay(1.0e-3);
rgpulse(pw,zero,1.0e-6,1.0e-6);
delay(2.0e-6);
zgradpulse(gzlvl0,gt0);
delay(taua - gt0 - 2.0e-6 - WFG_START_DELAY);
simshaped_pulse("","offC17",2.0*pw,pwCa180,zero,zero,1.0e-6,1.0e-6);
/* c13 offset on CO, slp 180 on Ca */
delay(taua - gt0 - 500.0e-6 - WFG_STOP_DELAY);
zgradpulse(gzlvl0,gt0);
txphase(one);
delay(500.0e-6);
rgpulse(pw, one, 1.0e-6, 1.0e-6);
decphase(zero);
delay(2.0e-6);
zgradpulse(gzlvl3,gt3);
obspower(tpwrHd);
decpwrf(dfCa90);
delay(200.0e-6);
/* c13 offset on CO, slp 90 on Ca */
decshaped_pulse("offC13", pwCa90, zero, 0.0, 0.0);
delay(taub -PRG_START_DELAY);
obsprgon("waltz16", pwHd, 180.0);
xmtron();
decpwrf(dfC90);
decphase(t1);
delay(bigTC -taub -SAPS_DELAY -PWRF_DELAY);
/* c13 offset on CO, on-res 90 on CO */
decshaped_pulse("offC6", pwCO90, t1, 0.0, 0.0);
/* CO EVOLUTION BEGINS */
decpwrf(dfCO180);
decphase(zero);
delay(bigTCO/2.0 +maxpwCN/2.0 +WFG_STOP_DELAY -2.0*pwCO90/PI -ratio*tau1);
/* c13 offset on CO, on-res 180 on CO */
decshaped_pulse("offC8", pwCO180, zero, 0.0, 0.0);
decpwrf(dfCab180);
delay(bigTCO/2.0 +(2.0 -ratio)*tau1 -PRG_STOP_DELAY);
xmtroff();
obsprgoff();
/* c13 offset on CO, slp 180 at Cab */
sim3shaped_pulse("","offC27","",0.0,pwCab180,2.0*pwN,zero,zero,zero,0.0,0.0);
obsprgon("waltz16", pwHd, 180.0);
xmtron();
decpwrf(dfCO180);
delay(bigTCO/2.0 +(2.0 -ratio)*tau1 -PRG_START_DELAY);
/* c13 offset on CO, on-res 180 on CO */
decshaped_pulse("offC8", pwCO180, zero, 0.0, 0.0);
decpwrf(dfC90);
dcplrphase(v1);
delay(bigTCO/2.0 +maxpwCN/2.0 +WFG_STOP_DELAY -2.0*pwCO90/PI -ratio*tau1 -SAPS_DELAY);
/* CO EVOLUTION ENDS */
decshaped_pulse("offC6", pwCO90, zero, 0.0, 0.0);
/* c13 offset on CO, on-res 90 on CO */
decpwrf(dfCa90);
decphase(t3); dcplrphase(v2);
delay(bigTC -2.0*SAPS_DELAY -PWRF_DELAY);
/* c13 offset on CO, slp 90 at Ca */
decshaped_pulse("offC13", pwCa90, t3, 0.0, 0.0);
xmtroff();
decpwrf(dfCO180);
decphase(zero); dcplrphase(zero);
dec2phase(t2);
delay(2.0e-5);
zgradpulse(gzlvl4,gt4);
delay(2.0e-6);
obsprgon("waltz16", pwHd, 180.0);
xmtron();
txphase(zero);
delay(150.0e-6);
dec2rgpulse(pwN, t2, 0.0, 0.0);
/* N15 EVOLUTION BEGINS HERE */
delay(bigTN/2.0 -tau2);
decshaped_pulse("offC8", pwCO180, zero, 0.0, 0.0); /* c13 offset on CO, on-res 180 on CO */
decpwrf(dfCa180);
dec2phase(t4);
delay(bigTN/2.0 -tau2);
dec2rgpulse(2.0*pwN, t4, 0.0, 0.0);
decshaped_pulse("offC17", pwCa180, zero, 0.0, 0.0); /* c13 offset on CO, slp 180 at Ca */
decpwrf(dfCO180);
delay(bigTN/2.0 +tau2 -pwCa180 -WFG_START_DELAY -WFG_STOP_DELAY);
decshaped_pulse("offC8", pwCO180, zero, 0.0, 0.0);
/* c13 offset on CO, on-res 180 on CO */
delay(bigTN/2.0 +tau2 -tauc -PRG_STOP_DELAY);
dec2phase(t5);
xmtroff();
obsprgoff();
obspower(tpwr);
if (mag_flg[A] == 'y') magradpulse(gzcal*gzlvl1, gt1);
else zgradpulse(gzlvl1, gt1);
delay(tauc -gt1 -2.0*GRADIENT_DELAY);
/* N15 EVOLUTION ENDS HERE */
sim3pulse(pw,0.0, pwN, zero,zero, t5, 0.0, 0.0);
dec2phase(zero);
delay(2.0e-6);
zgradpulse(0.8*gzlvl5, gt5);
delay(taud - gt5 - 2.0e-6);
sim3pulse(2.0*pw,0.0, 2.0*pwN, zero,zero, zero, 0.0, 0.0);
delay(taud - gt5 - 500.0e-6);
zgradpulse(0.8*gzlvl5, gt5);
txphase(one);
decphase(one);
delay(500.0e-6);
sim3pulse(pw,0.0, pwN, one,zero, one, 0.0, 0.0);
delay(2.0e-6);
txphase(zero);
decphase(zero);
zgradpulse(gzlvl5, gt5);
delay(taud - gt5 - 2.0e-6);
sim3pulse(2.0*pw,0.0, 2.0*pwN, zero,zero, zero, 0.0, 0.0);
delay(taud - gt5 - 2.0*POWER_DELAY - 500.0e-6);
zgradpulse(gzlvl5, gt5);
decpower(dpwr);
dec2power(dpwr2);
delay(500.0e-6);
rgpulse(pw, zero, 0.0, 0.0);
delay(gstab +gt2 +2.0*GRADIENT_DELAY);
rgpulse(2.0*pw, zero, 0.0, 0.0);
if (mag_flg[A] == 'y') magradpulse(icosel*gzcal*gzlvl2, gt2);
else zgradpulse(icosel*gzlvl2, gt2);
delay(0.5*gstab);
rcvron();
statusdelay(C, 0.5*gstab);
setreceiver(t16);
}
pulsesequence()
{
/* DECLARE AND LOAD VARIABLES */
char f1180[MAXSTR], /* Flag to start t1 @ halfdwell */
f2180[MAXSTR], /* Flag to start t2 @ halfdwell */
mag_flg[MAXSTR], /* Flag to use magic-angle gradients */
H2O_flg[MAXSTR], stCdec[MAXSTR], /* calls STUD+ waveforms from shapelib */
STUD[MAXSTR]; /* apply automatically calculated STUD decoupling */
int t1_counter, /* used for states tppi in t1 */
t2_counter; /* used for states tppi in t2 */
double tau1, /* t1 delay */
tau2, /* t2 delay */
delta1, delta2, TC = getval("TC"), /* 3.5 ms */
ni = getval("ni"), ni2 = getval("ni2"),
stdmf = getval("dmf80"), /* dmf for 80 ppm of STUD decoupling */
rf80 = getval("rf80"), /* rf in Hz for 80ppm STUD+ */
taua = getval("taua"), /* time delays for CH coupling evolution */
taub = getval("taub"), tauc = getval("tauc"),
/* string parameter stCdec calls stud decoupling waveform from your shapelib. */
studlvl, /* coarse power for STUD+ decoupling */
bw, ofs, ppm, /* temporary Pbox parameters */
pwClvl = getval("pwClvl"), /* coarse power for C13 pulse */
pwC = getval("pwC"), /* C13 90 degree pulse length at pwClvl */
/* the following pulse length for the SLP pulse is automatically calculated */
/* by the macro "hcch_cosy". The SLP pulse shape,"offC10" is called */
/* directly from your shapelib. */
pwC10, /* 180 degree selective sinc pulse on CO(174ppm) */
rf7, /* fine power for the pwC10 ("offC10") pulse */
compC = getval("compC"), /* adjustment for C13 amplifier compression */
pwmax, pwNlvl = getval("pwNlvl"), /* power for N15 pulses */
pwN = getval("pwN"), /* N15 90 degree pulse length at pwNlvl */
sw1 = getval("sw1"), sw2 = getval("sw2"), gt1 = getval("gt1"),
gt2 = getval("gt2"), gt3 = getval("gt3"), gt4 = getval("gt4"),
gt5 = getval("gt5"), gt7 = getval("gt7"), gt8 = getval("gt8"),
gt9 = getval("gt9"), gzcal = getval("gzcal"), gzlvl1 = getval("gzlvl1"),
gzlvl2 = getval("gzlvl2"), gzlvl3 = getval("gzlvl3"), gzlvl4 = getval("gzlvl4"),
gzlvl5 = getval("gzlvl5"), gzlvl7 = getval("gzlvl7"), gzlvl8 = getval("gzlvl8"),
gzlvl9 = getval("gzlvl9");
getstr("f1180", f1180);
getstr("f2180", f2180);
getstr("H2O_flg", H2O_flg);
getstr("STUD", STUD);
/* 80 ppm STUD+ decoupling */
strcpy(stCdec, "stCdec80");
studlvl = pwClvl + 20.0 * log10(compC * pwC * 4.0 * rf80);
studlvl = (int) (studlvl + 0.5);
/* INITIALIZE VARIABLES */
if (dpwrf < 4095)
{
printf("reset dpwrf=4095 and recalibrate C13 90 degree pulse");
psg_abort(1);
}
setautocal(); /* activate auto-calibration flags */
if (autocal[0] == 'n')
{
/* "offC10": 180 degree one-lobe sinc pulse on CO, null at Ca 139ppm away */
pwC10 = getval("pwC10");
rf7 = (compC * 4095.0 * pwC * 2.0 * 1.65) / pwC10; /* needs 1.65 times more */
rf7 = (int) (rf7 + 0.5); /* power than a square pulse */
if (pwC > (24.0e-6 * 600.0 / sfrq))
{
printf("Increase pwClvl so that pwC < 24*600/sfrq");
psg_abort(1);
}
}
else
/* if autocal = 'y'(yes), 'q'(quiet), r(read), or 's'(semi) */
{
if (FIRST_FID) /* call Pbox */
{
ppm = getval("dfrq");
bw = 118.0 * ppm;
ofs = 139.0 * ppm;
offC10 = pbox_make("offC10", "sinc180n", bw, ofs, compC * pwC, pwClvl);
if (dm3[B] == 'y')
H2ofs = 3.2;
ofs_check(H1ofs, C13ofs, N15ofs, H2ofs);
}
rf7 = offC10.pwrf;
pwC10 = offC10.pw;
}
if ((dm3[A] == 'y' || dm3[C] == 'y'))
{
printf("incorrect dec1 decoupler flags! Should be 'nyn' or 'nnn' ");
psg_abort(1);
}
getstr("f1180", f1180);
getstr("f2180", f2180);
getstr("mag_flg", mag_flg);
getstr("H2O_flg", H2O_flg);
pwmax = 2.0 * pwN;
if (pwC10 > pwmax)
pwmax = pwC10;
/* check validity of parameter range */
if ((dm[A] == 'y' || dm[B] == 'y'))
{
printf("incorrect Dec1 decoupler flags! ");
psg_abort(1);
}
if ((dm2[A] == 'y' || dm2[B] == 'y' || dm2[C] == 'y'))
{
printf("incorrect Dec2 decoupler flags! Should be nnn ");
psg_abort(1);
}
if (dpwr > 50)
{
printf("don't fry the probe, dpwr too large! ");
psg_abort(1);
}
if (dpwr2 > 50)
{
printf("don't fry the probe, dpwr2 too large! ");
psg_abort(1);
}
/* LOAD VARIABLES */
settable(t1, 2, phi1);
settable(t2, 4, phi2);
settable(t3, 16, phi3);
settable(t4, 2, phi4);
settable(t11, 8, rec);
/* INITIALIZE VARIABLES */
/* Phase incrementation for hypercomplex data */
if (phase1 == 2) /* Hypercomplex in t1 */
{
tsadd(t1, 1, 4);
}
if (phase2 == 2)
{
tsadd(t2, 1, 4);
}
/* calculate modification to phases based on current t1 values
to achieve States-TPPI acquisition */
if (ix == 1)
d2_init = d2;
t1_counter = (int) ((d2 - d2_init) * sw1 + 0.5);
if (t1_counter % 2)
{
tsadd(t1, 2, 4);
tsadd(t11, 2, 4);
}
/* calculate modification to phases based on current t2 values
to achieve States-TPPI acquisition */
if (ix == 1)
d3_init = d3;
t2_counter = (int) ((d3 - d3_init) * sw2 + 0.5);
if (t2_counter % 2)
{
tsadd(t2, 2, 4);
tsadd(t11, 2, 4);
}
/* set up so that get (90, -180) phase corrects in F1 if f1180 flag is y */
tau1 = d2;
if (f1180[A] == 'y')
{
tau1 += (1.0 / (2.0 * sw1));
}
if (tau1 < 1.0e-6)
tau1 = 0.0;
tau1 = tau1 / 2.0;
/* set up so that get (90, -180) phase corrects in F2 if f2180 flag is y */
tau2 = d3;
if (f2180[A] == 'y')
{
tau2 += (1.0 / (2.0 * sw2));
}
if (tau2 < 1.0e-6)
tau2 = 0.0;
tau2 = tau2 / 2.0;
if (ni > 1)
delta1 = (double) (t1_counter * (taua - gt2 - 0.2e-3)) / ((double) (ni - 1));
else
delta1 = 0.0;
if (ni2 > 1)
delta2 = (double) (t2_counter * (TC - 0.6e-3)) / ((double) (ni2 - 1));
else
delta2 = 0.0;
initval(7.0, v1);
obsstepsize(45.0);
/* BEGIN ACTUAL PULSE SEQUENCE */
status(A);
delay(10.0e-6);
obspower(tpwr);
decpower(pwClvl);
decpwrf(4095.0);
dec2power(pwNlvl);
decphase(zero);
dec2phase(zero);
xmtrphase(v1);
txphase(t1);
if (dm3[B] == 'y')
lk_sample();
delay(d1);
if (dm3[B] == 'y')
{
lk_hold();
lk_sampling_off();
} /*freezes z0 correction, stops lock pulsing */
rcvroff();
if (gt1 > 0.2e-6)
{
decrgpulse(pwC, zero, rof1, rof1);
delay(2.0e-6);
zgradpulse(gzlvl1, gt1);
delay(1.0e-3);
}
if (dm3[B] == 'y') /* begins optional 2H decoupling */
{
dec3rgpulse(1 / dmf3, one, 10.0e-6, 2.0e-6);
dec3unblank();
dec3phase(zero);
delay(2.0e-6);
setstatus(DEC3ch, TRUE, 'w', FALSE, dmf3);
}
status(B);
rgpulse(pw, t1, 1.0e-4, 2.0e-6);
xmtrphase(zero);
zgradpulse(gzlvl2, gt2);
delay(taua - gt2 - 2.0 * pwC - 2.0e-6 - SAPS_DELAY);
txphase(zero);
delay(tau1);
decrgpulse(2.0 * pwC, zero, 0.0, 0.0);
delay(tau1 - delta1);
rgpulse(2.0 * pw, zero, 0.0, 2.0e-6);
zgradpulse(gzlvl2, gt2);
txphase(one);
delay(taua - delta1 - gt2 - 2.0e-6);
rgpulse(pw, one, 0.0, 2.0e-6);
if (mag_flg[A] == 'y')
{
magradpulse(gzcal * gzlvl3, gt3);
}
else
{
zgradpulse(gzlvl3, gt3);
}
decphase(t2);
txphase(zero);
delay(200.0e-6);
decrgpulse(pwC, t2, 2.0e-6, 0.0);
decphase(zero);
decpwrf(rf7);
delay(tau2);
sim3shaped_pulse("", "offC10", "", 0.0, pwC10, 2.0 * pwN, zero, zero, zero, 0.0, 0.0);
delay(taub - pwmax - WFG_START_DELAY - WFG_STOP_DELAY - POWER_DELAY);
rgpulse(2.0 * pw, zero, 0.0, 0.0);
decphase(t3);
decpwrf(4095.0);
delay(TC - taub + tau2 - delta2 - 2.0 * pw - POWER_DELAY);
decrgpulse(2.0 * pwC, t3, 0.0, 0.0);
decphase(t4);
delay(TC - delta2 - POWER_DELAY);
decrgpulse(pwC, t4, 0.0, 2.0e-6);
zgradpulse(gzlvl4, gt4);
txphase(zero);
decphase(zero);
delay(tauc - gt4);
decrgpulse(2.0 * pwC, zero, 0.0, 2.0e-6);
if (H2O_flg[A] == 'y')
{
delay(tauc - gt4 - 500.0e-6 - POWER_DELAY);
zgradpulse(gzlvl4, gt4);
decphase(one);
obspwrf(1000.0);
delay(500.0e-6);
decrgpulse(pwC, one, 0.0, 1.0e-6);
rgpulse(900 * pw, one, rof1, 0.0);
txphase(zero);
rgpulse(500 * pw, zero, 2.0e-6, 2.0e-6);
obspwrf(4095.0);
if (mag_flg[A] == 'y')
{
magradpulse(gzcal * gzlvl5, gt5);
}
else
{
zgradpulse(gzlvl5, gt5);
}
decphase(one);
delay(200.0e-6);
simpulse(pw, pwC, zero, one, 0.0, 2.0e-6);
zgradpulse(gzlvl7, gt7);
decphase(zero);
delay(taub - gt7);
simpulse(2.0 * pw, 2.0 * pwC, zero, zero, 0.0, 2.0e-6);
zgradpulse(gzlvl7, gt7);
delay(taub - gt7);
}
else
{
delay(tauc - taub - 2.0 * pw - POWER_DELAY);
rgpulse(2.0 * pw, zero, 0.0, 2.0e-6);
zgradpulse(gzlvl4, gt4);
delay(taub - gt4 - 2.0e-6);
}
decrgpulse(pwC, zero, 0.0, 2.0e-6);
if (mag_flg[A] == 'y')
{
magradpulse(gzcal * gzlvl8, gt8);
}
else
{
zgradpulse(gzlvl8, gt8);
}
txphase(zero);
delay(200.0e-6);
if (dm3[B] == 'y') /* turns off 2H decoupling */
{
setstatus(DEC3ch, FALSE, 'c', FALSE, dmf3);
dec3rgpulse(1 / dmf3, three, 2.0e-6, 2.0e-6);
dec3blank();
lk_autotrig(); /* resumes lock pulsing */
}
rgpulse(pw, zero, 0.0, 2.0e-6);
if (mag_flg[A] == 'y')
{
magradpulse(gzcal * gzlvl9, gt9);
}
else
{
zgradpulse(gzlvl9, gt9);
}
delay(taua - gt9);
simpulse(2.0 * pw, 2.0 * pwC, zero, zero, 0.0, 2.0e-6);
if (mag_flg[A] == 'y')
{
magradpulse(gzcal * gzlvl9, gt9);
}
else
{
zgradpulse(gzlvl9, gt9);
}
if (STUD[A] == 'y')
decpower(studlvl);
else
decpower(dpwr);
dec2power(dpwr2);
delay(taua - gt9 - rof1 - 0.5 * pw - 2.0 * POWER_DELAY);
rgpulse(pw, zero, rof1, rof2);
rcvron();
if (dm3[B] == 'y')
lk_sample();
setreceiver(t11);
if ((STUD[A] == 'y') && (dm[C] == 'y'))
{
decunblank();
decon();
decprgon(stCdec,1/stdmf, 1.0);
startacq(alfa);
acquire(np, 1.0/sw);
decprgoff();
decoff();
decblank();
if (dm2[C] == 'y')
{
setstatus(DEC2ch, TRUE, dmm2[C], FALSE, dmf2);
}
}
else
status(C);
setreceiver(t11);
}
pulsesequence()
{
/* DECLARE VARIABLES */
char f1180[MAXSTR],f2180[MAXSTR],f3180[MAXSTR],
mag_flg[MAXSTR], flipback[MAXSTR];
int ni2, ni3, phase, phase2, phase3, icosel,t1_counter, t2_counter, t3_counter;
double
tofhn, /* adjust carrier to the center of amide protons */
tauxh, /* 1 / 4J(NH) */
pwN, /* PW90 for N-nuc */
pwNlvl, /* power level for N hard pulses */
jnh, /* coupling for NH */
gzcal = getval("gzcal"),
compH = getval("compH"),
tau1,
tau2,
tau3,
sw1,
sw2,
sw3,
flippw, /* pw for selective pulse at flippwr */
flippwr,
fliphase,
mix,
gzlvl0,
gt0,
gzlvl1,
gt1,
gzlvl2,
gt7,
gzlvl3,
gt3,
gzlvl4,
gt4,
gzlvl5,
gt5,
gzlvl6,
gt6,
gzlvl7,
gstab;
/* LOAD VARIABLES */
tofhn = getval("tofhn");
sw1 = getval("sw1");
sw2 = getval("sw2");
sw3 = getval("sw3");
ni = getval("ni");
ni2 = getval("ni2");
ni3 = getval("ni3");
phase = (int)(getval("phase") + 0.5);
phase2 = (int)(getval("phase2") + 0.5);
phase3 = (int)(getval("phase3") + 0.5);
jnh = getval("jnh");
pwN = getval("pwN");
pwNlvl = getval("pwNlvl");
gstab = getval("gstab");
flippw = getval("flippw");
fliphase = getval("fliphase");
mix = getval("mix");
gt0 = getval("gt0");
gt1 = getval("gt1");
gt7 = getval("gt7");
gt3 = getval("gt3");
gt4 = getval("gt4");
gt5 = getval("gt5");
gt6 = getval("gt6");
gzlvl0 = getval("gzlvl0");
gzlvl1 = getval("gzlvl1");
gzlvl2 = getval("gzlvl2");
gzlvl3 = getval("gzlvl3");
gzlvl4 = getval("gzlvl4");
gzlvl5 = getval("gzlvl5");
gzlvl6 = getval("gzlvl6");
gzlvl7 = getval("gzlvl7");
getstr("mag_flg", mag_flg);
getstr("f1180",f1180);
getstr("f2180", f2180);
getstr("f3180", f3180);
getstr("flipback",flipback);
/* check validity of parameter range */
if( dpwr > 50 )
{
printf("don't fry the probe, dpwr too large! ");
psg_abort(1);
}
if ( dm2[A] == 'y' || dm2[B] == 'y' || dm2[C] == 'y' )
{ printf("incorrect dec2 decoupler flags! Should be 'nnnn' or 'nnny' "); psg_abort(1);}
if( dpwr2 > 50 )
{
printf("don't fry the probe, dpwr2 too large! ");
psg_abort(1);
}
if(gt0 > 15.0e-3 || gt1 > 15.0e-3 || gt7 > 15.0e-3 || gt3 > 15.0e-3 || gt4 > 15.0e-3 || gt5 > 15.0e-3)
{
printf("gti must be less than 15 ms \n");
psg_abort(1);
}
/* LOAD VARIABLES */
settable(t1, 2, phi1);
settable(t2, 4, phi2);
settable(t3, 1, phi3);
settable(t4, 8, phi4);
settable(t5, 1, phi5);
settable(t6, 8, rec);
/* INITIALIZE VARIABLES */
tauxh = ((jnh != 0.0) ? 1/(4*(jnh)) : 2.35e-3);
/* Phase incrementation for hypercomplex data */
if (phase == 2)
{
tsadd(t1, 1, 4);
}
if (phase2 == 2)
{
tsadd(t2, 1, 4);
}
if ( phase3 == 1 )
{
tsadd(t5, 2, 4);
icosel = 1;
}
else icosel = -1;
/* calculate modification to phases based on current t1 values
to achieve States-TPPI acquisition */
if(ix == 1) d2_init = d2;
t1_counter = (int)((d2-d2_init)*sw1 + 0.5);
if(t1_counter %2)
{
tsadd(t1,2,4);
tsadd(t6,2,4);
}
if(ix == 1) d3_init = d3;
t2_counter = (int)((d3-d3_init)*sw2 + 0.5);
if(t2_counter %2)
{
tsadd(t2,2,4);
tsadd(t6,2,4);
}
if(ix == 1) d4_init = d4;
t3_counter = (int)((d4-d4_init)*sw3 + 0.5);
if(t3_counter %2)
{
tsadd(t3,2,4);
tsadd(t6,2,4);
}
/* set up so that get (90, -180) phase corrects in F1 if f1180 flag is y */
tau1 = d2;
if(f1180[A] == 'y')
{
tau1 += (1.0/(2.0*sw1));
}
if (tau1 < 0.2e-6) tau1 = 0.0;
tau1 = tau1/2.0;
tau2 = d3 - 2.0*pw - 4.0*pwN/PI;
if(f2180[A] == 'y')
{
tau2 += (1.0/(2.0*sw2));
}
if (tau2 < 0.2e-6) tau2 = 0.0;
tau2 = tau2/2.0;
tau3 = d4;
if(f3180[A] == 'y')
{
tau3 += (1.0/(2.0*sw3));
}
tau3 = tau3/2.0;
flippwr = tpwr - 20.0*log10(flippw/(compH*pw*1.69));
flippwr = (int)(flippwr + 0.4);
if (fliphase < 0.2e-6) fliphase = fliphase + 360.0;
initval(fliphase, v10);
initval(7.0, v9);
obsstepsize(45.0);
/* BEGIN ACTUAL PULSE SEQUENCE */
status(A);
obspower(tpwr);
decpower(dpwr);
dec2power(pwNlvl);
obsoffset(tofhn);
xmtrphase(v9);
delay(d1);
status(B); /* for 13C decoupling during t2, use dm='nynn' or 'nyyn' */
dec2rgpulse(pwN,zero,0.0,2.0e-6);
zgradpulse(gzlvl0,gt0);
rgpulse(pw,t1,1.0e-6,2.0e-6);
zgradpulse(gzlvl6,gt6);
delay(1.9*tauxh - gt1 - 2.0e-6);
dec2rgpulse(pwN, t2, 0.0, 0.0);
delay(tau2);
rgpulse(2.0*pw, t1, 0.0, 0.0);
dec2phase(zero);
delay(tau2);
dec2rgpulse(pwN, zero, 0.0, 0.0);
xmtrphase(zero);
delay(1.9*tauxh - gt6 - 600.0e-6 - SAPS_DELAY);
txphase(zero);
zgradpulse(gzlvl6,gt6);
txphase(zero);
delay(0.6e-3);
if (tau1 > pwN)
{
delay(tau1 - pwN);
dec2rgpulse(2.0*pwN, zero, 0.0, 0.0);
delay(tau1 - pwN);
}
else
{
delay(2.0*tau1);
}
rgpulse(pw, zero, 0.0, 1.0e-6);
status(A); /* no decoupling during mix period */
delay(mix - pwN - 1.5*gt7 - 2.0e-3);
zgradpulse(gzlvl7,gt7);
delay(1.0e-3);
dec2rgpulse(pwN, zero, 0.0, 2.0e-6);
zgradpulse(gzlvl7,gt7/2.0);
delay(1.0e-3 - 2.0e-6);
rgpulse(pw,zero,1.0e-6,2.0e-6);
zgradpulse(gzlvl3,gt3);
delay(tauxh - gt3 - 2.0e-6); /* delay=1/4J(NH) */
sim3pulse(2.0*pw,(double)0.0,2*pwN,zero,zero,zero,0.0,0.0);
txphase(one);
delay(tauxh - gt3 - 500.0e-6); /* delay=1/4J(NH) */
zgradpulse(gzlvl3,gt3);
delay(500.0e-6);
rgpulse(pw, one,0.0,2.0e-6);
obsoffset(tof);
if (flipback[A]=='y')
{
xmtrphase(v10);
obspower(flippwr);
shaped_pulse("H2Osinc",flippw,two,2.0e-6,2.0e-6);
obspower(tpwr);
xmtrphase(zero);
}
zgradpulse(gzlvl4,gt4);
dec2phase(t3);
txphase(zero);
status(C); /* for 13C decoupling during t3 set dm='nnyn' or 'nyyn' */
delay(250.0e-6);
dec2rgpulse(pwN,t3,0.0,0.0);
dec2phase(t4);
delay(tau3);
rgpulse(2.0*pw, zero,0.0,0.0);
delay(tau3);
status(A); /* no decoupling */
if (mag_flg[A] == 'y')
{
delay(4.0*GRADIENT_DELAY);
}
delay(gstab + gt6 + 2.0*GRADIENT_DELAY - 2.0*pw - PRG_STOP_DELAY);
dec2rgpulse(2.0*pwN,t4,0.0,0.0);
dec2phase(t5);
if (mag_flg[A] == 'y')
{
magradpulse(gzcal*gzlvl1, gt1);
}
else
{
zgradpulse(gzlvl1,gt1);
}
delay(gstab);
sim3pulse(pw,0.0e-6,pwN,zero,zero,t5,0.0,0.0);
txphase(zero);
dec2phase(zero);
if (gt5 > 0.2e-6)
{
zgradpulse(gzlvl5, 1.3*gt5);
}
delay(tauxh - 1.3*gt5);
sim3pulse(2.0*pw,(double)0.0,2*pwN,zero,zero,zero,0.0,0.0);
txphase(one); dec2phase(one);
delay(tauxh - 1.3*gt5 - 500.0e-6);
if (gt5 > 0.2e-6)
{
zgradpulse(gzlvl5, 1.3*gt5);
}
delay(500.0e-6);
sim3pulse(pw,(double)0.0,pwN,one,zero,one,0.0,0.0);
dec2phase(zero); txphase(zero);
if (gt5 > 0.2e-6)
{
zgradpulse(gzlvl5,gt5);
}
delay(tauxh - gt5);
sim3pulse(2.0*pw,(double)0.0,2*pwN,zero,zero,zero,0.0,0.0);
dec2power(dpwr2);
delay(tauxh - 3.0*POWER_DELAY - gt5 - 500.0e-6);
if (gt5 > 0.2e-6)
{
zgradpulse(gzlvl5,gt5);
}
delay(500.0e-6);
rgpulse(pw,zero,0.0,0.0);
if(mag_flg[A] == 'y')
{
delay(4.0*GRADIENT_DELAY);
}
delay(gstab + gt1/10.0 + 2.0*GRADIENT_DELAY);
rgpulse(2.0*pw,zero,0.0,0.0);
if(mag_flg[A] == 'y')
{
magradpulse(icosel*icosel*gzcal*gzlvl2, gt1/10.0);
}
else
{
zgradpulse(icosel*gzlvl2,gt1/10.0);
}
delay(gstab);
status(D);
setreceiver(t6);
}
pulsesequence()
{
/* DECLARE AND LOAD VARIABLES */
char f1180[MAXSTR], /* Flag to start t1 @ halfdwell */
f2180[MAXSTR], /* Flag to start t2 @ halfdwell */
mag_flg[MAXSTR], /* magic-angle coherence transfer gradients */
SCT[MAXSTR], /* Semi-constant time flag for N-15 evolution */
CT_c[MAXSTR], /* Constant time flag for C-13 evolution */
TROSY[MAXSTR]; /* do TROSY on N15 and H1 */
int icosel, /* used to get n and p type */
t1_counter, /* used for states tppi in t1 */
t2_counter, /* used for states tppi in t2 */
PRexp, /* projection-reconstruction flag */
ni2 = getval("ni2");
double tau1, /* t1 delay */
tau2, /* t2 delay */
tauC = getval("tauC"), /* delay for CO to Ca evolution */
timeTN = getval("timeTN"), /* constant time for 15N evolution */
timeTC = getval("timeTC"), /* constant time for 13C evolution */
t2a=0.0, t2b=0.0, halfT2=0.0, CTdelay=0.0,
kappa = 5.4e-3,
lambda = 2.4e-3,
pwClvl = getval("pwClvl"), /* coarse power for C13 pulse */
pwC = getval("pwC"), /* C13 90 degree pulse length at pwClvl */
rf0, /* maximum fine power when using pwC pulses */
/* 90 degree pulse at Ca (56ppm), first off-resonance null at CO (174ppm) */
pwC1, /* 90 degree pulse length on C13 at rf1 */
rf1, /* fine power for 4.7 kHz rf for 600MHz magnet */
/* 180 degree pulse at Ca (56ppm), first off-resonance null at CO(174ppm) */
pwC2, /* 180 degree pulse length at rf2 */
rf2, /* fine power for 10.5 kHz rf for 600MHz magnet */
/* the following pulse lengths for SLP pulses are automatically calculated */
/* by the macro "proteincal". SLP pulse shapes, "offC6" etc are called */
/* directly from your shapelib. */
pwC3 = getval("pwC3"), /*180 degree pulse at Ca(56ppm) null at CO(174ppm) */
pwC6 = getval("pwC6"), /* 90 degree selective sinc pulse on CO(174ppm) */
pwC8 = getval("pwC8"), /* 180 degree selective sinc pulse on CO(174ppm) */
pwC9 = getval("pwC9"), /* 180 degree selective sinc pulse on CO(174ppm) */
phshift9, /* phase shift induced on Ca by pwC9 ("offC9") pulse */
pwZ, /* the largest of pwC9 and 2.0*pwN */
pwZ1, /* the larger of pwC8 and 2.0*pwN for 1D experiments */
rf3, /* fine power for the pwC3 ("offC3") pulse */
rf6, /* fine power for the pwC6 ("offC6") pulse */
rf8, /* fine power for the pwC8 ("offC8") pulse */
rf9, /* fine power for the pwC9 ("offC9") pulse */
dofCO, /* channel 2 offset for most CO pulses */
compH = getval("compH"), /* adjustment for C13 amplifier compression */
compC = getval("compC"), /* adjustment for C13 amplifier compression */
pwHs = getval("pwHs"), /* H1 90 degree pulse length at tpwrs */
tpwrsf = getval("tpwrsf"), /* fine power adjustment for flipback */
tpwrs, /* power for the pwHs ("H2Osinc") pulse */
csa, sna,
pra = M_PI*getval("pra")/180.0,
pwHd, /* H1 90 degree pulse length at tpwrd */
tpwrd, /* rf for WALTZ decoupling */
waltzB1 = getval("waltzB1"), /* waltz16 field strength (in Hz) */
pwNlvl = getval("pwNlvl"), /* power for N15 pulses */
pwN = getval("pwN"), /* N15 90 degree pulse length at pwNlvl */
sw1 = getval("sw1"),
sw2 = getval("sw2"),
gt1 = getval("gt1"), /* coherence pathway gradients */
gzcal = getval("gzcal"), /* g/cm to DAC conversion factor */
gzlvl1 = getval("gzlvl1"),
gzlvl2 = getval("gzlvl2"),
gt0 = getval("gt0"), /* other gradients */
gt3 = getval("gt3"),
gt4 = getval("gt4"),
gt5 = getval("gt5"),
gt7 = getval("gt7"),
gt9 = getval("gt9"),
gt10 = getval("gt10"),
gstab = getval("gstab"),
gzlvl0 = getval("gzlvl0"),
gzlvl3 = getval("gzlvl3"),
gzlvl4 = getval("gzlvl4"),
gzlvl5 = getval("gzlvl5"),
gzlvl6 = getval("gzlvl6"),
gzlvl7 = getval("gzlvl7"),
gzlvl8 = getval("gzlvl8"),
gzlvl9 = getval("gzlvl9"),
gzlvl10 = getval("gzlvl10");
getstr("f1180",f1180);
getstr("f2180",f2180);
getstr("mag_flg",mag_flg);
getstr("SCT",SCT);
getstr("CT_c",CT_c);
getstr("TROSY",TROSY);
/* LOAD PHASE TABLE */
settable(t3,2,phi3);
settable(t4,1,phx);
settable(t5,4,phi5);
if (TROSY[A]=='y')
{settable(t8,1,phy);
settable(t9,1,phx);
settable(t10,1,phy);
settable(t11,1,phx);
settable(t12,4,recT);}
else
{settable(t8,1,phx);
settable(t9,8,phi9);
settable(t10,1,phx);
settable(t11,1,phy);
settable(t12,4,rec);}
/* INITIALIZE VARIABLES */
if( dpwrf < 4095 )
{ printf("reset dpwrf=4095 and recalibrate C13 90 degree pulse");
psg_abort(1); }
/* offset during CO pulses, except for t1 evolution period */
dofCO = dof + 118.0*dfrq;
/* maximum fine power for pwC pulses */
rf0 = 4095.0;
/* 90 degree pulse on Ca, null at CO 118ppm away */
pwC1 = sqrt(15.0)/(4.0*118.0*dfrq);
rf1 = 4095.0*(compC*pwC)/pwC1;
rf1 = (int) (rf1 + 0.5);
/* 180 degree pulse on Ca, null at CO 118ppm away */
pwC2 = sqrt(3.0)/(2.0*118.0*dfrq);
rf2 = (compC*4095.0*pwC*2.0)/pwC2;
rf2 = (int) (rf2 + 0.5);
if( rf2 > 4095.0 )
{ printf("increase pwClvl so that C13 90 < 24us*(600/sfrq)"); psg_abort(1);}
/* 180 degree pulse on Ca, null at CO 118ppm away */
rf3 = (compC*4095.0*pwC*2.0)/pwC3;
rf3 = (int) (rf3 + 0.5);
/* 90 degree one-lobe sinc pulse on CO, null at Ca 118ppm away */
rf6 = (compC*4095.0*pwC*1.69)/pwC6; /* needs 1.69 times more */
rf6 = (int) (rf6 + 0.5); /* power than a square pulse */
/* 180 degree one-lobe sinc pulse on CO, null at Ca 118ppm away */
rf8 = (compC*4095.0*pwC*2.0*1.65)/pwC8; /* needs 1.65 times more */
rf8 = (int) (rf8 + 0.5); /* power than a square pulse */
/* 180 degree one-lobe sinc pulse on CO, null at Ca 118ppm away */
rf9 = (compC*4095.0*pwC*2.0*1.65)/pwC8; /* needs 1.65 times more */
rf9 = (int) (rf9 + 0.5); /* power than a square pulse */
/* the pwC9 pulse at the middle of t1 */
if ((ni2 > 0.0) && (ni == 1.0)) ni = 0.0;
if (pwC8 > 2.0*pwN) pwZ = pwC8; else pwZ = 2.0*pwN;
if ((pwC9==0.0) && (pwC8>2.0*pwN)) pwZ1=pwC8-2.0*pwN; else pwZ1=0.0;
if ( ni > 1 ) pwC9 = pwC8;
if ( pwC9 > 0 ) phshift9 = 140.0;
else phshift9 = 0.0;
/* selective H20 one-lobe sinc pulse */
tpwrs = tpwr - 20.0*log10(pwHs/(compH*pw*1.69)); /* needs 1.69 times more */
tpwrs = (int) (tpwrs); /* power than a square pulse */
/* power level and pulse time for WALTZ 1H decoupling */
pwHd = 1/(4.0 * waltzB1) ; /* 7.5 kHz rf */
tpwrd = tpwr - 20.0*log10(pwHd/(compH*pw));
tpwrd = (int) (tpwrd + 0.5);
/* set up Projection-Reconstruction experiment */
tau1 = d2; tau2 = d3;
PRexp=0; csa = 1.0; sna = 0.0;
if((pra > 0.0) && (pra < 90.0)) /* PR experiments */
{
PRexp = 1;
csa = cos(pra);
sna = sin(pra);
tau1 = d2*csa;
tau2 = d2*sna;
}
/* CHECK VALIDITY OF PARAMETER RANGES */
if(SCT[A] == 'n')
{
if (PRexp)
{
if( 0.5*ni*sna/sw1 > timeTN - WFG3_START_DELAY)
{ printf(" ni is too big. Make ni equal to %d or less.\n",
((int)((timeTN - WFG3_START_DELAY)*2.0*sw1/sna))); psg_abort(1);}
}
else
{
if ( 0.5*ni2*1/(sw2) > timeTN - WFG3_START_DELAY)
{ printf(" ni2 is too big. Make ni2 equal to %d or less.\n",
((int)((timeTN - WFG3_START_DELAY)*2.0*sw2))); psg_abort(1);}
}
}
if(CT_c[A] == 'y')
{
if ( 0.5*ni*csa/sw1 > timeTC)
{ printf(" ni is too big. Make ni less than %d or less.\n",
((int)(timeTC*2.0*sw1/csa - 4e-6 - SAPS_DELAY))); psg_abort(1);}
}
if ( tauC < (gt7+1.0e-4+0.5*10.933*pwC)) gt7=(tauC-1.0e-4-0.5*10.933*pwC);
if ( dm[A] == 'y' || dm[B] == 'y' || dm[C] == 'y' )
{ printf("incorrect dec1 decoupler flags! Should be 'nnn' "); psg_abort(1);}
if ( dm2[A] == 'y' || dm2[B] == 'y' )
{ printf("incorrect dec2 decoupler flags! Should be 'nny' "); psg_abort(1);}
if ( dm3[A] == 'y' || dm3[C] == 'y' )
{ printf("incorrect dec3 decoupler flags! Should be 'nyn' or 'nnn' ");
psg_abort(1);}
if ( dpwr2 > 50 )
{ printf("dpwr2 too large! recheck value "); psg_abort(1);}
if ( pw > 20.0e-6 )
{ printf(" pw too long ! recheck value "); psg_abort(1);}
if ( pwN > 100.0e-6 )
{ printf(" pwN too long! recheck value "); psg_abort(1);}
if ( TROSY[A]=='y' && dm2[C] == 'y')
{ text_error("Choose either TROSY='n' or dm2='n' ! "); psg_abort(1);}
/* PHASES AND INCREMENTED TIMES */
/* Phase incrementation for hypercomplex 2D data, States-Haberkorn element */
if (phase1 == 2) tsadd(t3,1,4);
if (TROSY[A]=='y')
{ if (phase2 == 2) icosel = +1;
else {tsadd(t4,2,4); tsadd(t10,2,4); icosel = -1;}
}
else { if (phase2 == 2) {tsadd(t10,2,4); icosel = +1;}
else icosel = -1;
}
/* Calculate modifications to phases for States-TPPI acquisition */
if( ix == 1) d2_init = d2;
t1_counter = (int) ( (d2-d2_init)*sw1 + 0.5 );
if(t1_counter % 2)
{ tsadd(t3,2,4); tsadd(t12,2,4); }
if( ix == 1) d3_init = d3;
t2_counter = (int) ( (d3-d3_init)*sw2 + 0.5 );
if(t2_counter % 2)
{ tsadd(t8,2,4); tsadd(t12,2,4); }
/* Set up CONSTANT/SEMI-CONSTANT time evolution in N15 */
halfT2 = 0.0;
CTdelay = timeTN + pwC8 + WFG_START_DELAY - SAPS_DELAY;
if(ni>1)
{
if(f1180[A] == 'y') /* Set up f1180 */
tau1 += 0.5*csa/sw1; /* if not PRexp then csa = 1.0 */
if(PRexp)
{
halfT2 = 0.5*(ni-1)/sw1; /* ni2 is not defined */
if(f1180[A] == 'y')
{ tau2 += 0.5*sna/sw1; halfT2 += 0.25*sna/sw1; }
t2b = (double) t1_counter*((halfT2 - CTdelay)/((double)(ni-1)));
}
}
if (ni2>1)
{
halfT2 = 0.5*(ni2-1)/sw2;
if(f2180[A] == 'y') /* Set up f2180 */
{ tau2 += 0.5/sw2; halfT2 += 0.25/sw2; }
t2b = (double) t2_counter*((halfT2 - CTdelay)/((double)(ni2-1)));
}
tau1 = tau1/2.0;
tau2 = tau2/2.0;
if(tau1 < 0.2e-6) tau1 = 0.0;
if(tau2 < 0.2e-6) tau2 = 0.0;
if(t2b < 0.0) t2b = 0.0;
t2a = CTdelay - tau2 + t2b;
if(t2a < 0.2e-6) t2a = 0.0;
/* uncomment these lines to check t2a and t2b
printf("%d: t2a = %.12f", t2_counter,t2a);
printf(" ; t2b = %.12f\n", t2b);
*/
/* BEGIN PULSE SEQUENCE */
status(A);
delay(d1);
if ( dm3[B] == 'y' )
{ lk_hold(); lk_sampling_off();} /*freezes z0 correction, stops lock pulsing*/
rcvroff();
obspower(tpwr);
decpower(pwClvl);
dec2power(pwNlvl);
decpwrf(rf0);
obsoffset(tof);
decoffset(dofCO);
txphase(zero);
delay(1.0e-5);
if (TROSY[A] == 'n')
dec2rgpulse(pwN, zero, 0.0, 0.0); /*destroy N15 and C13 magnetization*/
decrgpulse(pwC, zero, 0.0, 0.0);
zgradpulse(-gzlvl0, 0.5e-3);
delay(1.0e-4);
if (TROSY[A] == 'n')
dec2rgpulse(pwN, one, 0.0, 0.0);
decrgpulse(pwC, zero, 0.0, 0.0);
zgradpulse(-0.7*gzlvl0, 0.5e-3);
delay(5.0e-4);
rgpulse(pw, zero, 0.0, 0.0); /* 1H pulse excitation */
dec2phase(zero);
zgradpulse(gzlvl0, gt0);
delay(lambda - gt0);
sim3pulse(2.0*pw, 0.0, 2.0*pwN, zero, zero, zero, 0.0, 0.0);
txphase(one);
zgradpulse(gzlvl0, gt0);
delay(lambda - gt0);
rgpulse(pw, one, 0.0, 0.0);
if (tpwrsf < 4095.0)
{obspwrf(tpwrsf);
obspower(tpwrs+6.0);} /* increases tpwrs by 6dB, now need */
else
obspower(tpwrs);
/* tpwrsf to be ~ 2048 for equivalence */
if (TROSY[A]=='y')
{txphase(two);
shaped_pulse("H2Osinc", pwHs, two, 5.0e-4, 0.0);
obspower(tpwr); obspwrf(4095.0);
zgradpulse(gzlvl3, gt3);
delay(2.0e-4);
dec2rgpulse(pwN, zero, 0.0, 0.0);
delay(0.5*kappa - 2.0*pw);
rgpulse(2.0*pw, two, 0.0, 0.0);
obspower(tpwrd); /* POWER_DELAY */
decphase(zero);
dec2phase(zero);
decpwrf(rf8);
delay(timeTN -0.5*kappa - POWER_DELAY - WFG3_START_DELAY);
}
else
{txphase(zero);
if (tpwrsf < 4095.0)
{obspwrf(tpwrsf);
obspower(tpwrs+6.0);} /* increases tpwrs by 6dB, now need */
else
obspower(tpwrs);
/* tpwrsf to be ~ 2048 for equivalence */
shaped_pulse("H2Osinc",pwHs,zero,5.0e-4,0.0);
obspower(tpwrd); obspwrf(4095.0);
zgradpulse(gzlvl3, gt3);
delay(2.0e-4);
dec2rgpulse(pwN, zero, 0.0, 0.0);
txphase(one);
delay(kappa - pwHd - 2.0e-6 - PRG_START_DELAY);
rgpulse(pwHd,one,0.0,0.0);
txphase(zero);
delay(2.0e-6);
obsprgon("waltz16", pwHd, 90.0); /* PRG_START_DELAY */
xmtron();
decphase(zero);
dec2phase(zero);
decpwrf(rf8);
delay(timeTN - kappa - WFG3_START_DELAY);
}
/* WFG3_START_DELAY */
sim3shaped_pulse("", "offC8", "", 0.0, pwC8, 2.0*pwN, zero, zero, zero,
0.0, 0.0);
decphase(zero);
decpwrf(rf6);
delay(timeTN);
dec2rgpulse(pwN, zero, 0.0, 0.0);
if (TROSY[A]=='n')
{xmtroff();
obsprgoff();
rgpulse(pwHd,three,2.0e-6,0.0);}
zgradpulse(-gzlvl3, gt3);
delay(2.0e-4);
decshaped_pulse("offC6", pwC6, zero, 0.0, 0.0);
zgradpulse(-gzlvl7, gt7);
decpwrf(rf0);
decphase(zero);
delay(tauC - gt7 - 0.5*10.933*pwC);
decrgpulse(pwC*158.0/90.0, zero, 0.0, 0.0);
decrgpulse(pwC*171.2/90.0, two, 0.0, 0.0);
decrgpulse(pwC*342.8/90.0, zero, 0.0, 0.0); /* Shaka 6 composite */
decrgpulse(pwC*145.5/90.0, two, 0.0, 0.0);
decrgpulse(pwC*81.2/90.0, zero, 0.0, 0.0);
decrgpulse(pwC*85.3/90.0, two, 0.0, 0.0);
zgradpulse(-gzlvl7, gt7);
decpwrf(rf6);
decphase(one);
txphase(one);
delay(tauC - gt7 - 0.5*10.933*pwC - WFG_START_DELAY);
/* WFG_START_DELAY */
decshaped_pulse("offC6", pwC6, one, 0.0, 0.0);
decoffset(dof);
zgradpulse(-gzlvl9, gt9);
decpwrf(rf1);
decphase(t3);
delay(2.0e-4);
if ( dm3[B] == 'y' ) /* begins optional 2H decoupling */
{
dec3rgpulse(1/dmf3,one,10.0e-6,2.0e-6);
dec3unblank();
dec3phase(zero);
delay(2.0e-6);
setstatus(DEC3ch, TRUE, 'w', FALSE, dmf3);
}
rgpulse(pwHd,one,0.0,0.0);
txphase(zero);
delay(2.0e-6);
obsprgon("waltz16", pwHd, 90.0);
xmtron();
decrgpulse(pwC1, t3, 0.0, 0.0);
decphase(zero);
/* xxxxxxxxxxxxxxxxxxxxxx 13Ca EVOLUTION xxxxxxxxxxxxxxxxxx */
if (ni==1.0) /* special 1D check of pwC9 phase enabled when ni=1 */
{
decpwrf(rf9);
delay(10.0e-6 + SAPS_DELAY + 0.5*pwZ1);
/* WFG3_START_DELAY */
sim3shaped_pulse("", "offC9", "", 0.0, pwC9, 2.0*pwN, zero, zero, zero,
2.0e-6, 0.0);
initval(phshift9, v9);
decstepsize(1.0);
dcplrphase(v9); /* SAPS_DELAY */
delay(10.0e-6 + WFG3_START_DELAY + 0.5*pwZ1);
}
else if(CT_c[A] == 'y') /* xxxxxxx 13Ca Constant Time EVOLUTION xxxxxxxx */
{
decpwrf(rf9);
if(tau1 - 2.0*pwC1/PI - WFG_START_DELAY -POWER_DELAY > 0.0) {
delay(tau1 -2.0*pwC1/PI -POWER_DELAY -WFG_START_DELAY);
sim3shaped_pulse("","offC9","",0.0,pwC8, 2.0*pwN, zero, zero, zero,
0.0, 0.0);
}
else
sim3shaped_pulse("","offC9","",0.0,pwC8, 2.0*pwN, zero, zero, zero, 0.0, 0.0);
delay(timeTC- 2.0e-6 -WFG_STOP_DELAY-POWER_DELAY);
decpwrf(rf2);
decrgpulse(pwC2, zero, 2.0e-6, 2.0e-6); /* 13Ca 180 degree pulse */
delay(timeTC-tau1- 4.0e-6 -SAPS_DELAY);
phshift9 = 230.0; /* = 320-90 - correction for -90 degree phase shift in F1 */
initval(phshift9, v9);
decstepsize(1.0);
dcplrphase(v9); /* SAPS_DELAY */
}
else /* xxxxxxx 13Ca Conventional EVOLUTION xxxxxxxxx */
{
if ((ni>1.0) && (tau1>0.0)) /* total 13C evolution equals d2 exactly */
{ /* 2.0*pwC1/PI compensates for evolution at 64% rate during pwC1 */
decpwrf(rf9);
if(tau1 - 2.0*pwC1/PI - WFG3_START_DELAY - 0.5*pwZ > 0.0)
{
delay(tau1 - 2.0*pwC1/PI - WFG3_START_DELAY - 0.5*pwZ);
sim3shaped_pulse("", "offC9", "", 0.0, pwC8, 2.0*pwN, zero, zero, zero,
0.0, 0.0);
initval(phshift9, v9);
decstepsize(1.0);
dcplrphase(v9); /* SAPS_DELAY */
delay(tau1 - 2.0*pwC1/PI - SAPS_DELAY - 0.5*pwZ - 2.0e-6);
}
else
{
initval(180.0, v9);
decstepsize(1.0);
dcplrphase(v9); /* SAPS_DELAY */
delay(2.0*tau1 - 4.0*pwC1/PI - SAPS_DELAY - 2.0e-6);
}
}
else /* 13Ca evolution refocused for 1st increment */
{
decpwrf(rf2);
delay(10.0e-6);
decrgpulse(pwC2, zero, 2.0e-6, 0.0);
delay(10.0e-6);
}
}
decphase(t5);
decpwrf(rf1);
decrgpulse(pwC1, t5, 2.0e-6, 0.0);
/* xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx */
xmtroff();
obsprgoff();
rgpulse(pwHd,three,2.0e-6,0.0);
decoffset(dofCO);
decpwrf(rf6);
decphase(one);
if ( dm3[B] == 'y' ) /* turns off 2H decoupling */
{
setstatus(DEC3ch, FALSE, 'c', FALSE, dmf3);
dec3rgpulse(1/dmf3,three,2.0e-6,2.0e-6);
dec3blank();
lk_autotrig(); /* resumes lock pulsing */
}
zgradpulse(gzlvl10, gt10);
delay(2.0e-4);
decshaped_pulse("offC6", pwC6, one, 0.0, 0.0);
zgradpulse(gzlvl8, gt7);
decpwrf(rf0);
decphase(zero);
delay(tauC - gt7 - 0.5*10.933*pwC);
decrgpulse(pwC*158.0/90.0, zero, 0.0, 0.0);
decrgpulse(pwC*171.2/90.0, two, 0.0, 0.0);
decrgpulse(pwC*342.8/90.0, zero, 0.0, 0.0); /* Shaka 6 composite */
decrgpulse(pwC*145.5/90.0, two, 0.0, 0.0);
decrgpulse(pwC*81.2/90.0, zero, 0.0, 0.0);
decrgpulse(pwC*85.3/90.0, two, 0.0, 0.0);
zgradpulse(gzlvl8, gt7);
decpwrf(rf6);
decphase(zero);
delay(tauC - gt7 - 0.5*10.933*pwC - WFG_START_DELAY);
/* WFG_START_DELAY */
decshaped_pulse("offC6", pwC6, zero, 0.0, 0.0);
/* xxxxxxxxxxxxxxxxxx OPTIONS FOR N15 EVOLUTION xxxxxxxxxxxxxxxxxxxxx */
zgradpulse(gzlvl4, gt4);
txphase(one);
decphase(zero);
decpwrf(rf8);
dcplrphase(zero);
dec2phase(t8);
delay(2.0e-4);
if (TROSY[A]=='n')
{rgpulse(pwHd,one,0.0,0.0);
txphase(zero);
delay(2.0e-6);
obsprgon("waltz16", pwHd, 90.0);
xmtron();}
dec2rgpulse(pwN, t8, 0.0, 0.0); /* N15 EVOLUTION BEGINS HERE */
dec2phase(t9);
if(SCT[A] == 'y')
{
delay(t2a);
dec2rgpulse(2.0*pwN, t9, 0.0, 0.0);
delay(t2b);
decshaped_pulse("offC8", pwC8, zero, 0.0, 0.0); /* WFG_START_DELAY */
}
else
{
delay(timeTN - WFG3_START_DELAY - tau2); /* WFG3_START_DELAY */
sim3shaped_pulse("", "offC8", "", 0.0, pwC8, 2.0*pwN, zero, zero, t9,
0.0, 0.0);
}
dec2phase(t10);
decpwrf(rf3);
if (TROSY[A]=='y')
{ if (tau2 > gt1 + 2.0*GRADIENT_DELAY + 1.5e-4 + pwHs)
{
txphase(three);
delay(timeTN - pwC3 - WFG_START_DELAY); /* WFG_START_DELAY */
decshaped_pulse("offC3", pwC3, zero, 0.0, 0.0);
delay(tau2 - gt1 - 2.0*GRADIENT_DELAY - 1.5e-4 - pwHs);
if (mag_flg[A]=='y') magradpulse(gzcal*gzlvl1, gt1);
else zgradpulse(gzlvl1, gt1); /* 2.0*GRADIENT_DELAY */
obspower(tpwrs); /* POWER_DELAY */
delay(1.0e-4 - POWER_DELAY);
if (tpwrsf < 4095.0)
{obspwrf(tpwrsf);
obspower(tpwrs+6.0);} /* increases tpwrs by 6dB, now need */
else
obspower(tpwrs);
/* tpwrsf to be ~ 2048 for equivalence */
shaped_pulse("H2Osinc", pwHs, three, 0.0, 0.0);
obspower(tpwr); obspwrf(4095.0);
txphase(t4);
delay(0.5e-4 - POWER_DELAY);
}
else if (tau2 > pwHs + 0.5e-4)
{
txphase(three);
delay(timeTN-pwC3-WFG_START_DELAY-gt1-2.0*GRADIENT_DELAY-1.0e-4);
if (mag_flg[A]=='y') magradpulse(gzcal*gzlvl1, gt1);
else zgradpulse(gzlvl1, gt1); /* 2.0*GRADIENT_DELAY */
obspower(tpwrs); /* POWER_DELAY */
delay(1.0e-4 - POWER_DELAY); /* WFG_START_DELAY */
decshaped_pulse("offC3", pwC3, zero, 0.0, 0.0);
delay(tau2 - pwHs - 0.5e-4);
if (tpwrsf < 4095.0)
{obspwrf(tpwrsf);
obspower(tpwrs+6.0);} /* increases tpwrs by 6dB, now need */
else
obspower(tpwrs);
/* tpwrsf to be ~ 2048 for equivalence */
shaped_pulse("H2Osinc", pwHs, three, 0.0, 0.0);
obspower(tpwr); obspwrf(4095.0);
txphase(t4);
delay(0.5e-4 - POWER_DELAY);
}
else
{
txphase(three);
delay(timeTN - pwC3 - WFG_START_DELAY - gt1 - 2.0*GRADIENT_DELAY
- 1.5e-4 - pwHs);
if (mag_flg[A]=='y') magradpulse(gzcal*gzlvl1, gt1);
else zgradpulse(gzlvl1, gt1); /* 2.0*GRADIENT_DELAY */
obspower(tpwrs); /* POWER_DELAY */
delay(1.0e-4 - POWER_DELAY); /* WFG_START_DELAY */
if (tpwrsf < 4095.0)
{obspwrf(tpwrsf);
obspower(tpwrs+6.0);} /* increases tpwrs by 6dB, now need */
else
obspower(tpwrs);
/* tpwrsf to be ~ 2048 for equivalence */
shaped_pulse("H2Osinc", pwHs, three, 0.0, 0.0);
obspower(tpwr); obspwrf(4095.0);
txphase(t4);
delay(0.5e-4 - POWER_DELAY);
decshaped_pulse("offC3", pwC3, zero, 0.0, 0.0);
delay(tau2);
}
}
else
{
if (tau2 > kappa)
{
delay(timeTN - pwC3 - WFG_START_DELAY); /* WFG_START_DELAY */
decshaped_pulse("offC3", pwC3, zero, 0.0, 0.0);
delay(tau2 - kappa - PRG_STOP_DELAY - pwHd - 2.0e-6);
xmtroff();
obsprgoff(); /* PRG_STOP_DELAY */
rgpulse(pwHd,three,2.0e-6,0.0);
txphase(t4);
delay(kappa - gt1 - 2.0*GRADIENT_DELAY - 1.0e-4);
if (mag_flg[A]=='y') magradpulse(gzcal*gzlvl1, gt1);
else zgradpulse(gzlvl1, gt1); /* 2.0*GRADIENT_DELAY */
obspower(tpwr); /* POWER_DELAY */
delay(1.0e-4 - POWER_DELAY);
}
else if (tau2 > (kappa - pwC3 - WFG_START_DELAY))
{
delay(timeTN + tau2 - kappa - PRG_STOP_DELAY - pwHd - 2.0e-6);
xmtroff();
obsprgoff(); /* PRG_STOP_DELAY */
rgpulse(pwHd,three,2.0e-6,0.0);
txphase(t4); /* WFG_START_DELAY */
decshaped_pulse("offC3", pwC3, zero, 0.0, 0.0);
delay(kappa -pwC3 -WFG_START_DELAY -gt1 -2.0*GRADIENT_DELAY -1.0e-4);
if (mag_flg[A]=='y') magradpulse(gzcal*gzlvl1, gt1);
else zgradpulse(gzlvl1, gt1); /* 2.0*GRADIENT_DELAY */
obspower(tpwr); /* POWER_DELAY */
delay(1.0e-4 - POWER_DELAY);
}
else if (tau2 > gt1 + 2.0*GRADIENT_DELAY + 1.0e-4)
{
delay(timeTN + tau2 - kappa - PRG_STOP_DELAY - pwHd - 2.0e-6);
xmtroff();
obsprgoff(); /* PRG_STOP_DELAY */
rgpulse(pwHd,three,2.0e-6,0.0);
txphase(t4);
delay(kappa - tau2 - pwC3 - WFG_START_DELAY); /* WFG_START_DELAY */
decshaped_pulse("offC3", pwC3, zero, 0.0, 0.0);
delay(tau2 - gt1 - 2.0*GRADIENT_DELAY - 1.0e-4);
if (mag_flg[A]=='y') magradpulse(gzcal*gzlvl1, gt1);
else zgradpulse(gzlvl1, gt1); /* 2.0*GRADIENT_DELAY */
obspower(tpwr); /* POWER_DELAY */
delay(1.0e-4 - POWER_DELAY);
}
else
{
delay(timeTN + tau2 - kappa - PRG_STOP_DELAY - pwHd - 2.0e-6);
xmtroff();
obsprgoff(); /* PRG_STOP_DELAY */
rgpulse(pwHd,three,2.0e-6,0.0);
txphase(t4);
delay(kappa-tau2-pwC3-WFG_START_DELAY-gt1-2.0*GRADIENT_DELAY-1.0e-4);
if (mag_flg[A]=='y') magradpulse(gzcal*gzlvl1, gt1);
else zgradpulse(gzlvl1, gt1); /* 2.0*GRADIENT_DELAY */
obspower(tpwr); /* POWER_DELAY */
delay(1.0e-4 - POWER_DELAY); /* WFG_START_DELAY */
decshaped_pulse("offC3", pwC3, zero, 0.0, 0.0);
delay(tau2);
}
}
/* xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx */
if (TROSY[A]=='y') rgpulse(pw, t4, 0.0, 0.0);
else sim3pulse(pw, 0.0, pwN, t4, zero, t10, 0.0, 0.0);
txphase(zero);
dec2phase(zero);
zgradpulse(gzlvl5, gt5);
if (TROSY[A]=='y') delay(lambda - 0.65*(pw + pwN) - gt5);
else delay(lambda - 1.3*pwN - gt5);
sim3pulse(2.0*pw, 0.0, 2.0*pwN, zero, zero, zero, 0.0, 0.0);
zgradpulse(gzlvl5, gt5);
txphase(one);
dec2phase(t11);
delay(lambda - 1.3*pwN - gt5);
sim3pulse(pw, 0.0, pwN, one, zero, t11, 0.0, 0.0);
txphase(zero);
dec2phase(zero);
zgradpulse(gzlvl6, gt5);
delay(lambda - 1.3*pwN - gt5);
sim3pulse(2.0*pw, 0.0, 2.0*pwN, zero, zero, zero, 0.0, 0.0);
dec2phase(t10);
zgradpulse(gzlvl6, gt5);
if (TROSY[A]=='y') delay(lambda - 1.6*pwN - gt5);
else delay(lambda - 0.65*pwN - gt5);
if (TROSY[A]=='y') dec2rgpulse(pwN, t10, 0.0, 0.0);
else rgpulse(pw, zero, 0.0, 0.0);
delay((gt1/10.0) + 1.0e-4 +gstab - 0.5*pw + 2.0*GRADIENT_DELAY + POWER_DELAY);
rgpulse(2.0*pw, zero, 0.0,rof1);
dec2power(dpwr2); /* POWER_DELAY */
if (mag_flg[A] == 'y') magradpulse(icosel*gzcal*gzlvl2, gt1/10.0);
else zgradpulse(icosel*gzlvl2, gt1/10.0); /* 2.0*GRADIENT_DELAY */
delay(gstab);
rcvron();
statusdelay(C,1.0e-4 - rof1);
if (dm3[B]=='y') lk_sample();
setreceiver(t12);
}
pulsesequence()
{
/* DECLARE AND LOAD VARIABLES */
char abfilter[MAXSTR], /* flag for selection of inner or outer pair of doublets */
NH2[MAXSTR], /* flag for selection of NH2 */
f1180[MAXSTR], /* Flag to start t1 @ halfdwell */
mag_flg[MAXSTR], /* magic-angle coherence transfer gradients */
C13refoc[MAXSTR]; /* C13 sech/tanh pulse in middle of t1*/
int icosel, /* used to get n and p type */
t1_counter; /* used for states tppi in t1 */
double tau1, /* t1 delay */
lambda = 0.91/(4.0*getval("JNH")), /* 1/4J H1 evolution delay */
pwClvl = getval("pwClvl"), /* coarse power for C13 pulse */
pwC = getval("pwC"), /* C13 90 degree pulse length at pwClvl */
rf0, /* maximum fine power when using pwC pulses */
rfst, /* fine power for the stCall pulse */
compH = getval("compH"), /* adjustment for H1 amplifier compression */
compC = getval("compC"), /* adjustment for C13 amplifier compression */
calH = getval("calH"), /* multiplier on a pw pulse for H1 calibration */
pwHs = getval("pwHs"), /* H1 90 degree pulse length at tpwrs */
tpwrsf_u = getval("tpwrsf_u"),/* fine power correction for flipback(up)*/
tpwrsf_d = getval("tpwrsf_d"),/* fine power correction for flipback(down)*/
tpwrs, /* power for the pwHs ("H2Osinc") pulse */
pwNlvl = getval("pwNlvl"), /* power for N15 pulses */
pwN = getval("pwN"), /* N15 90 degree pulse length at pwNlvl */
calN = getval("calN"), /* multiplier on a pwN pulse for calibration */
sw1 = getval("sw1"),
gt1 = getval("gt1"), /* coherence pathway gradients */
gzcal = getval("gzcal"), /* dac to G/cm conversion */
gzlvl1 = getval("gzlvl1"),
gzlvl2 = getval("gzlvl2"),
gstab = getval("gstab"), /* field recovery */
gt0 = getval("gt0"), /* other gradients */
gt3 = getval("gt3"),
gt5 = getval("gt5"),
gzlvl0 = getval("gzlvl0"),
gzlvl3 = getval("gzlvl3"),
gzlvl5 = getval("gzlvl5");
getstr("NH2",NH2);
getstr("f1180",f1180);
getstr("mag_flg",mag_flg);
getstr("C13refoc",C13refoc);
getstr("abfilter",abfilter);
/* LOAD PHASE TABLE */
settable(t3,2,phi3);
settable(t4,1,phx);
settable(t1,1,phx);
settable(t9,8,phi9);
settable(t10,1,phx);
settable(t12,4,rec);
/* INITIALIZE VARIABLES */
/* maximum fine power for pwC pulses (and initialize rfst) */
rf0 = 4095.0; rfst=0.0;
/* 180 degree adiabatic C13 pulse from 0 to 200 ppm */
if (C13refoc[A]=='y')
{rfst = (compC*4095.0*pwC*4000.0*sqrt((30.0*sfrq/600.0+7.0)/0.35));
rfst = (int) (rfst + 0.5);
if ( 1.0/(4000.0*sqrt((30.0*sfrq/600.0+7.0)/0.35)) < pwC )
{ text_error( " Not enough C13 RF. pwC must be %f usec or less.\n",
(1.0e6/(4000.0*sqrt((30.0*sfrq/600.0+7.0)/0.35))) ); psg_abort(1); }}
/* selective H20 one-lobe sinc pulse */
tpwrs = tpwr - 20.0*log10(pwHs/(compH*pw*1.69)); /*needs 1.69 times more*/
tpwrs = (int) (tpwrs); /*power than a square pulse */
if (tpwrsf_d<4095.0) tpwrs=tpwrs+6; /* nominal tpwrsf_d ~ 2048 */
/* tpwrsf_d,tpwrsf_u can be used to correct for radiation damping */
/* reset calH and calN for 2D if inadvertently left at 2.0 */
if (ni>1.0) {calH=1.0; calN=1.0;}
/* CHECK VALIDITY OF PARAMETER RANGES */
if((dm[A] == 'y' || dm[B] == 'y' || dm[C] == 'y' ))
{ text_error("incorrect dec1 decoupler flags! Should be 'nnn' "); psg_abort(1); }
if((dm2[A] == 'y' || dm2[B] == 'y' || dm2[C] == 'y' ))
{ text_error("incorrect dec2 decoupler flags! Should be 'nnn' "); psg_abort(1); }
if((NH2[A] != 'y') && (NH2[A] != 'n'))
{ text_error("NH2 should be 'y' or 'n'!"); psg_abort(1); }
if((abfilter[A] != 'a') && (abfilter[A] != 'b'))
{ text_error("abfilter should be 'a' or 'b'!"); psg_abort(1); }
if( dpwr2 > 46 )
{ text_error("don't fry the probe, DPWR2 too large! "); psg_abort(1); }
if( pw > 50.0e-6 )
{ text_error("dont fry the probe, pw too high ! "); psg_abort(1); }
if( pwN > 100.0e-6 )
{ text_error("dont fry the probe, pwN too high ! "); psg_abort(1); }
/* PHASES AND INCREMENTED TIMES */
/* Phase incrementation for hypercomplex 2D data, States-Haberkorn element */
if (phase1 == 1) {tsadd(t10,2,4); icosel = +1;}
else icosel = -1;
/* Set up f1180 */
tau1 = d2;
if((f1180[A] == 'y') && (ni > 1.0))
{ tau1 += ( 1.0 / (2.0*sw1) ); if(tau1 < 0.2e-6) tau1 = 0.0; }
tau1 = tau1/2.0;
/* Calculate modifications to phases for States-TPPI acquisition */
if( ix == 1) d2_init = d2;
t1_counter = (int) ( (d2-d2_init)*sw1 + 0.5 );
if(t1_counter % 2)
{ tsadd(t3,2,4); tsadd(t12,2,4); }
/* BEGIN PULSE SEQUENCE */
status(A);
obspower(tpwr);
decpower(pwClvl);
decpwrf(rf0);
dec2power(pwNlvl);
txphase(zero);
decphase(zero);
dec2phase(zero);
delay(d1);
/* xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx */
rcvroff();
dec2rgpulse(pwN, zero, 0.0, 0.0);
decrgpulse(pwC, zero, 0.0, 0.0); /*destroy N15 and C13 magnetization*/
zgradpulse(gzlvl0, 0.5e-3);
delay(1.0e-4);
dec2rgpulse(pwN, one, 0.0, 0.0);
decrgpulse(pwC, one, 0.0, 0.0);
zgradpulse(0.7*gzlvl0, 0.5e-3);
decpwrf(rfst);
txphase(t1);
delay(5.0e-4);
if(dm3[B] == 'y') /*optional 2H decoupling on */
{lk_hold();
dec3unblank();
dec3rgpulse(1/dmf3, one, 0.0, 0.0);
dec3unblank();
setstatus(DEC3ch, TRUE, 'w', FALSE, dmf3);}
rgpulse(calH*pw,t1,0.0,0.0); /* 1H pulse excitation */
txphase(zero);
dec2phase(zero);
zgradpulse(gzlvl0, gt0);
delay(lambda - gt0);
sim3pulse(2.0*pw, 0.0, 2.0*pwN, zero, zero, zero, 0.0, 0.0);
txphase(one);
zgradpulse(gzlvl0, gt0);
delay(lambda - gt0);
rgpulse(pw, one, 0.0, 0.0);
txphase(two);
obspower(tpwrs); obspwrf(tpwrsf_d);
shaped_pulse("H2Osinc_d", pwHs, two, 5.0e-5, 0.0);
obspower(tpwr); obspwrf(4095.0);
zgradpulse(gzlvl3, gt3);
dec2phase(t3);
delay(gstab);
dec2rgpulse(calN*pwN, t3, 0.0, 0.0);
txphase(zero);
decphase(zero);
/* xxxxxxxxxxxxxxxxxx OPTIONS FOR N15 EVOLUTION xxxxxxxxxxxxxxxxxxxxx */
txphase(zero);
dec2phase(t9);
if ( (C13refoc[A]=='y') && (tau1 > 0.5e-3 + WFG2_START_DELAY) )
{delay(tau1 - 0.5e-3 - WFG2_START_DELAY); /* WFG2_START_DELAY */
simshaped_pulse("", "stC200", 2.0*pw, 1.0e-3, zero, zero, 0.0, 0.0);
decphase(zero);
delay(tau1 - 0.5e-3);
zgradpulse(-1*gzlvl1, 0.5*gt1);
delay(gstab - 2.0*GRADIENT_DELAY);}
else
{delay(tau1);
rgpulse(2.0*pw, zero, 0.0, 0.0);
delay(tau1);
zgradpulse(-1*gzlvl1, 0.5*gt1);
delay(gstab - 2.0*GRADIENT_DELAY);
}
dec2rgpulse(2.0*pwN, t9, 0.0, 0.0);
zgradpulse(gzlvl1, 0.5*gt1); /* 2.0*GRADIENT_DELAY */
txphase(t4);
dec2phase(t10);
delay(gstab - 2.0*GRADIENT_DELAY);
/* xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx */
sim3pulse(pw, 0.0, pwN, t4, zero, t10, 0.0, 0.0);
obspower(tpwrs); obspwrf(tpwrsf_u);
shaped_pulse("H2Osinc_u", pwHs, two, 5.0e-5, 0.0);
obspower(tpwr); obspwrf(4095.0);
txphase(zero);
dec2phase(zero);
zgradpulse(gzlvl5, gt5);
delay(lambda - 1.3*pwN - gt5 - pwHs - 5.0e-5 -2.0*POWER_DELAY);
sim3pulse(2.0*pw, 0.0, 2.0*pwN, zero, zero, zero, 0.0, 0.0);
zgradpulse(gzlvl5, gt5);
txphase(one);
delay(lambda - 1.3*pwN - gt5);
if(abfilter[A] == 'a')
{
if (NH2[A] == 'n')
{
dec2rgpulse(pwN,one,0.0,0.0);
}
else
{
dec2rgpulse(pwN,zero,0.0,0.0);
}
}
else
{
if (NH2[A] == 'n')
{
dec2rgpulse(pwN,three,0.0,0.0);
}
else
{
dec2rgpulse(pwN,two,0.0,0.0);
}
}
delay(gt1/10.0 -pwN +gstab + 2.0*GRADIENT_DELAY + POWER_DELAY );
rgpulse(2.0*pw, zero, 0.0, 0.0);
dec2power(dpwr2); /* POWER_DELAY */
if (mag_flg[A] == 'y') magradpulse(gzcal*icosel*gzlvl2, 0.1*gt1);
else zgradpulse(icosel*gzlvl2, 0.1*gt1); /* 2.0*GRADIENT_DELAY */
delay(gstab);
if (dm3[B] == 'y') {delay(1/dmf3); lk_sample();}
setreceiver(t12);
}
pulsesequence()
{
/* DECLARE AND LOAD VARIABLES */
void makeHHdec(), makeCdec(); /* utility functions */
char f1180[MAXSTR], /* Flag to start t1 @ halfdwell */
mag_flg[MAXSTR], /* magic-angle coherence transfer gradients */
C13refoc[MAXSTR], /* C13 sech/tanh pulse in middle of t1*/
NH2only[MAXSTR], /* spectrum of only NH2 groups */
T1[MAXSTR], /* insert T1 relaxation delay */
T1rho[MAXSTR], /* insert T1rho relaxation delay */
T2[MAXSTR], /* insert T2 relaxation delay */
TROSY[MAXSTR], /* do TROSY on N15 and H1 */
Hdecflg[MAXSTR], /* HH-h**o decoupling flag */
Cdecflg[MAXSTR]; /* low power C-13 decoupling flag */
int icosel, /* used to get n and p type */
ihh=1, /* used in HH decouling to improve water suppression */
t1_counter, /* used for states tppi in t1 */
rTnum, /* number of relaxation times, relaxT */
rTcounter; /* to obtain maximum relaxT, ie relaxTmax */
double tau1, /* t1 delay */
lambda = 0.91/(4.0*getval("JNH")), /* 1/4J H1 evolution delay */
tNH = 1.0/(4.0*getval("JNH")), /* 1/4J N15 evolution delay */
relaxT = getval("relaxT"), /* total relaxation time */
rTarray[1000], /* to obtain maximum relaxT, ie relaxTmax */
maxrelaxT = getval("maxrelaxT"), /* maximum relaxT in all exps */
ncyc, /* number of pulsed cycles in relaxT */
pwr_dly, /* power delay */
/* the sech/tanh pulse is automatically calculated by the macro "proteincal", */
/* and is called directly from your shapelib. */
pwClvl = getval("pwClvl"), /* coarse power for C13 pulse */
pwC = getval("pwC"), /* C13 90 degree pulse length at pwClvl */
rf0, /* maximum fine power when using pwC pulses */
rfst, /* fine power for the stCall pulse */
compH = getval("compH"), /* adjustment for H1 amplifier compression */
compN = getval("compN"), /* adjustment for N15 amplifier compression */
compC = getval("compC"), /* adjustment for C13 amplifier compression */
calH = getval("calH"), /* multiplier on a pw pulse for H1 calibration */
tpwrsf = getval("tpwrsf"), /* fine power adustment for soft pulse */
pwHs = getval("pwHs"), /* H1 90 degree pulse length at tpwrs */
pwHH = 0.0, /* pwHH = pwHs for HH h**o-decoupling */
tpwrs, /* power for the pwHs ("H2Osinc") pulse */
pwNlvl = getval("pwNlvl"), /* power for N15 pulses */
pwN = getval("pwN"), /* N15 90 degree pulse length at pwNlvl */
calN = getval("calN"), /* multiplier on a pwN pulse for calibration */
slNlvl, /* power for N15 spin lock */
slNrf = 1500.0, /* RF field in Hz for N15 spin lock at 600 MHz */
sw1 = getval("sw1"),
gt1 = getval("gt1"), /* coherence pathway gradients */
gzcal = getval("gzcal"), /* dac to G/cm conversion */
gzlvl1 = getval("gzlvl1"),
gzlvl2 = getval("gzlvl2"),
BPpwrlimits, /* =0 for no limit, =1 for limit */
gt0 = getval("gt0"), /* other gradients */
gt3 = getval("gt3"),
gt4 = getval("gt4"),
gt5 = getval("gt5"),
gstab = getval("gstab"),
gzlvl0 = getval("gzlvl0"),
gzlvl3 = getval("gzlvl3"),
gzlvl4 = getval("gzlvl4"),
gzlvl5 = getval("gzlvl5");
P_getreal(GLOBAL,"BPpwrlimits",&BPpwrlimits,1);
getstr("f1180",f1180);
getstr("mag_flg",mag_flg);
getstr("C13refoc",C13refoc);
getstr("NH2only",NH2only);
getstr("T1",T1);
getstr("T1rho",T1rho);
getstr("T2",T2);
getstr("TROSY",TROSY);
getstr("Hdecflg", Hdecflg);
getstr("Cdecflg", Cdecflg);
/* LOAD PHASE TABLE */
settable(t3,2,phi3);
settable(t4,1,phx);
if (TROSY[A]=='y')
{settable(t1,1,ph_x);
settable(t9,1,phx);
settable(t10,1,phy);
settable(t11,1,phx);
settable(t12,2,recT);}
else
{settable(t1,1,phx);
settable(t9,8,phi9);
settable(t10,1,phx);
settable(t11,1,phy);
settable(t12,4,rec);}
/* INITIALIZE VARIABLES */
/* maximum fine power for pwC pulses (and initialize rfst) */
rf0 = 4095.0; rfst=0.0;
/* 180 degree adiabatic C13 pulse from 0 to 200 ppm */
if (C13refoc[A]=='y')
{rfst = (compC*4095.0*pwC*4000.0*sqrt((30.0*sfrq/600.0+7.0)/0.35));
rfst = (int) (rfst + 0.5);
if ( 1.0/(4000.0*sqrt((30.0*sfrq/600.0+7.0)/0.35)) < pwC )
{ text_error( " Not enough C13 RF. pwC must be %f usec or less.\n",
(1.0e6/(4000.0*sqrt((30.0*sfrq/600.0+7.0)/0.35))) ); psg_abort(1); }}
/* selective H20 one-lobe sinc pulse */
if(pwHs > 1e-6)
tpwrs = tpwr - 20.0*log10(pwHs/(compH*pw*1.69)); /* needs 1.69 times more */
else /* power than a square pulse */
tpwrs = 0.0;
tpwrs = (int) (tpwrs);
if (tpwrsf<4095.0) tpwrs = tpwrs + 6.0;
if (tpwrsf < 4095.0)
{
tpwrs = tpwrs + 6.0;
pwr_dly = POWER_DELAY + PWRF_DELAY;
}
else pwr_dly = POWER_DELAY;
/* power level for N15 spinlock (90 degree pulse length calculated first) */
slNlvl = 1/(4.0*slNrf*sfrq/600.0) ;
slNlvl = pwNlvl - 20.0*log10(slNlvl/(pwN*compN));
slNlvl = (int) (slNlvl + 0.5);
/* use 1/8J times for relaxation measurements of NH2 groups */
if ( (NH2only[A]=='y') && ((T1[A]=='y') || (T1rho[A]=='y') || (T2[A]=='y')) )
{ tNH = tNH/2.0; }
/* reset calH and calN for 2D if inadvertently left at 2.0 */
if (ni>1.0) {calH=1.0; calN=1.0;}
/* make shapes and set up parameters for HH h**o-decoupling */
if(Cdecflg[0] == 'y') makeCdec();
if(Hdecflg[0] == 'y') makeHHdec();
if(Hdecflg[0] != 'n')
{
pwHH = pwHs;
pwHs = 0.0;
}
/* CHECK VALIDITY OF PARAMETER RANGES */
if ((TROSY[A]=='y') && (gt1 < -2.0e-4 + pwHs + 1.0e-4 + 2.0*POWER_DELAY))
{ text_error( " gt1 is too small. Make gt1 equal to %f or more.\n",
(-2.0e-4 + pwHs + 1.0e-4 + 2.0*POWER_DELAY) ); psg_abort(1); }
if((dm[A] == 'y' || dm[B] == 'y' || dm[C] == 'y' ))
{ text_error("incorrect dec1 decoupler flags! Should be 'nnn' "); psg_abort(1); }
if((dm2[A] == 'y' || dm2[B] == 'y'))
{ text_error("incorrect dec2 decoupler flags! Should be 'nny' "); psg_abort(1); }
if( dpwr2 > 50 )
{ text_error("don't fry the probe, DPWR2 too large! "); psg_abort(1); }
if( pw > 50.0e-6 )
{ text_error("dont fry the probe, pw too high ! "); psg_abort(1); }
if( pwN > 100.0e-6 )
{ text_error("dont fry the probe, pwN too high ! "); psg_abort(1); }
/* RELAXATION TIMES AND FLAGS */
/* evaluate maximum relaxT, relaxTmax chosen by the user */
rTnum = getarray("relaxT", rTarray);
relaxTmax = rTarray[0];
for (rTcounter=1; rTcounter<rTnum; rTcounter++)
if (relaxTmax < rTarray[rTcounter]) relaxTmax = rTarray[rTcounter];
/* compare relaxTmax with maxrelaxT */
if (maxrelaxT > relaxTmax) relaxTmax = maxrelaxT;
if ( ((T1rho[A]=='y') || (T2[A]=='y')) && (relaxTmax > d1) )
{ text_error("Maximum relaxation time, relaxT, is greater than d1 ! "); psg_abort(1);}
if ( ((T1[A]=='y') && (T1rho[A]=='y')) || ((T1[A]=='y') && (T2[A]=='y')) ||
((T1rho[A]=='y') && (T2[A]=='y')) )
{ text_error("Choose only one relaxation measurement ! "); psg_abort(1); }
if ( ((T1[A]=='y') || (T1rho[A]=='y')) &&
((relaxT*100.0 - (int)(relaxT*100.0+1.0e-4)) > 1.0e-6) )
{ text_error("Relaxation time, relaxT, must be zero or multiple of 10msec"); psg_abort(1);}
if ( (T2[A]=='y') &&
(((relaxT+0.01)*50.0 - (int)((relaxT+0.01)*50.0+1.0e-4)) > 1.0e-6) )
{ text_error("Relaxation time, relaxT, must be odd multiple of 10msec"); psg_abort(1);}
if ( ((T1rho[A]=='y') || (T2[A]=='y')) && (relaxTmax > 0.25) && (ix==1) )
{ printf("WARNING, sample heating will result for relaxT>0.25sec"); }
if ( ((T1rho[A]=='y') || (T2[A]=='y')) && (relaxTmax > 0.5) )
{ text_error("relaxT greater than 0.5 seconds will heat sample"); psg_abort(1);}
if ( ((NH2only[A]=='y') || (T1[A]=='y') || (T1rho[A]=='y') || (T2[A]=='y'))
&& (TROSY[A]=='y') )
{ text_error("TROSY not implemented with NH2 spectrum, or relaxation exps."); psg_abort(1);}
if ((TROSY[A]=='y') && (dm2[C] == 'y'))
{ text_error("Choose either TROSY='n' or dm2='n' ! "); psg_abort(1); }
/* PHASES AND INCREMENTED TIMES */
/* Phase incrementation for hypercomplex 2D data, States-Haberkorn element */
if (TROSY[A]=='y')
{ if (phase1 == 2) icosel = -1;
else { tsadd(t4,2,4); tsadd(t10,2,4); icosel = +1; }
}
else { if (phase1 == 2) {tsadd(t10,2,4); icosel = +1;}
else icosel = -1;
}
if(Hdecflg[0] != 'n') ihh = icosel;
/* Set up f1180 */
tau1 = d2;
if((f1180[A] == 'y') && (ni > 1.0))
{ tau1 += ( 1.0 / (2.0*sw1) ); if(tau1 < 0.2e-6) tau1 = 0.0; }
tau1 = tau1/2.0;
/* Calculate modifications to phases for States-TPPI acquisition */
if( ix == 1) d2_init = d2;
t1_counter = (int) ( (d2-d2_init)*sw1 + 0.5 );
if(t1_counter % 2)
{ tsadd(t3,2,4); tsadd(t12,2,4); }
/* Correct inverted signals for NH2 only spectra */
if ((NH2only[A]=='y') && (T1[A]=='n') && (T1rho[A]=='n') && (T2[A]=='n'))
{ tsadd(t3,2,4); }
/* BEGIN PULSE SEQUENCE */
status(A);
obspower(tpwr);
decpower(pwClvl);
decpwrf(rf0);
dec2power(pwNlvl);
txphase(zero);
decphase(zero);
dec2phase(zero);
if(Hdecflg[0] != 'n')
{
delay(5.0e-5);
rgpulse(pw,zero,rof1,0.0);
rgpulse(pw,one,0.0,rof1);
zgradpulse(1.5*gzlvl0, 0.5e-3);
delay(5.0e-4);
rgpulse(pw,zero,rof1,0.0);
rgpulse(pw,one,0.0,rof1);
zgradpulse(-gzlvl0, 0.5e-3);
}
delay(d1);
/* xxxxxxxxxxxxxxxxx CONSTANT SAMPLE HEATING FROM N15 RF xxxxxxxxxxxxxxxxx */
if (T1rho[A]=='y')
{dec2power(slNlvl);
dec2rgpulse(relaxTmax-relaxT, zero, 0.0, 0.0);
dec2power(pwNlvl);}
if (T2[A]=='y')
{ncyc = 8.0*100.0*(relaxTmax - relaxT);
if (BPpwrlimits > 0.5)
{
dec2power(pwNlvl-3.0); /* reduce for probe protection */
pwN=pwN*compN*1.4;
}
if (ncyc > 0)
{initval(ncyc,v1);
loop(v1,v2);
delay(0.625e-3 - pwN);
dec2rgpulse(2*pwN, zero, 0.0, 0.0);
delay(0.625e-3 - pwN);
endloop(v2);}
if (BPpwrlimits > 0.5)
{
dec2power(pwNlvl); /* restore normal value */
pwN=getval("pwN");
}
}
/* xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx */
rcvroff();
if (TROSY[A]=='n')
dec2rgpulse(pwN, zero, 0.0, 0.0); /*destroy N15 magnetization*/
zgradpulse(gzlvl0, 0.5e-3);
delay(1.0e-4);
if (TROSY[A]=='n') dec2rgpulse(pwN, one, 0.0, 0.0);
zgradpulse(0.7*gzlvl0, 0.5e-3);
decpwrf(rfst);
txphase(t1);
delay(5.0e-4);
if ( dm3[B] == 'y' ) /* begins optional 2H decoupling */
{
lk_hold();
dec3rgpulse(1/dmf3,one,10.0e-6,2.0e-6);
dec3unblank();
dec3phase(zero);
delay(2.0e-6);
setstatus(DEC3ch, TRUE, 'w', FALSE, dmf3);
}
rgpulse(calH*pw,t1,0.0,0.0); /* 1H pulse excitation */
txphase(zero);
dec2phase(zero);
zgradpulse(gzlvl0, gt0);
delay(lambda - gt0 - pwHH);
if(Hdecflg[0] != 'n')
{
obspower(tpwrs);
if (tpwrsf<4095.0) obspwrf(tpwrsf);
shaped_pulse("H2Osinc", pwHH, two, 5.0e-5, 0.0);
obspower(tpwr);
if (tpwrsf<4095.0) obspwrf(4095.0);
sim3pulse(2.0*pw, 0.0, 2.0*pwN, zero, zero, zero, 0.0, 0.0);
obspower(tpwrs);
if (tpwrsf<4095.0) obspwrf(tpwrsf);
shaped_pulse("H2Osinc", pwHH, two, 5.0e-5, 0.0);
obspower(tpwr);
if (tpwrsf<4095.0) obspwrf(4095.0);
}
else
sim3pulse(2.0*pw, 0.0, 2.0*pwN, zero, zero, zero, 0.0, 0.0);
txphase(one);
zgradpulse(gzlvl0, gt0);
delay(lambda - gt0 - pwHH);
rgpulse(pw, one, 0.0, 0.0);
txphase(two);
obspower(tpwrs);
if (tpwrsf<4095.0) obspwrf(tpwrsf);
shaped_pulse("H2Osinc", pwHs, two, 5.0e-5, 0.0);
obspower(tpwr);
if (tpwrsf<4095.0) obspwrf(4095.0);
if (TROSY[A]=='y')
zgradpulse(ihh*gzlvl3, gt3);
else
zgradpulse(-ihh*gzlvl3, gt3);
dec2phase(t3);
delay(2.0e-4);
dec2rgpulse(calN*pwN, t3, 0.0, 0.0);
txphase(zero);
decphase(zero);
/* xxxxxxxxxxxxxxxxxx OPTIONS FOR N15 RELAXATION xxxxxxxxxxxxxxxxxxxx */
if ( (T1[A]=='y') || (T1rho[A]=='y') || (T2[A]=='y') )
{
dec2phase(one);
zgradpulse(gzlvl4, gt4); /* 2.0*GRADIENT_DELAY */
delay(tNH - gt4 - 2.0*GRADIENT_DELAY);
sim3pulse(2.0*pw, 0.0, 2.0*pwN, zero, zero, one, 0.0, 0.0);
zgradpulse(gzlvl4, gt4); /* 2.0*GRADIENT_DELAY */
delay(tNH - gt4 - 2.0*GRADIENT_DELAY);
}
/* xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx */
if (T1[A]=='y')
{
dec2rgpulse(pwN, one, 0.0, 0.0);
dec2phase(three);
zgradpulse(gzlvl0, gt0); /* 2.0*GRADIENT_DELAY */
delay(2.5e-3 - gt0 - 2.0*GRADIENT_DELAY - pw);
rgpulse(2.0*pw, zero, 0.0, 0.0);
delay(2.5e-3 - pw);
ncyc = (100.0*relaxT);
initval(ncyc,v4);
if (ncyc > 0)
{loop(v4,v5);
delay(2.5e-3 - pw);
rgpulse(2.0*pw, two, 0.0, 0.0);
delay(2.5e-3 - pw);
delay(2.5e-3 - pw);
rgpulse(2.0*pw, zero, 0.0, 0.0);
delay(2.5e-3 - pw);
endloop(v5);}
dec2rgpulse(pwN, three, 0.0, 0.0);
}
/* xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx */
/* Theory suggests 8.0 is better than 2PI as RF */
/* field multiplier and experiment confirms this.*/
if (T1rho[A]=='y') /* Shift evolution of 2.0*pwN/PI for one pulse */
{ /* at end left unrefocused as for normal sequence*/
delay(1.0/(8.0*slNrf) - pwN);
decrgpulse(pwN, zero, 0.0, 0.0);
dec2power(slNlvl);
/* minimum 5ms spinlock to dephase */
dec2rgpulse((2.5e-3-pw), zero, 0.0, 0.0); /* spins not locked */
sim3pulse(2.0*pw, 0.0, 2.0*pw, zero, zero, zero, 0.0, 0.0);
dec2rgpulse((2.5e-3-pw), zero, 0.0, 0.0);
ncyc = 100.0*relaxT;
initval(ncyc,v4); if (ncyc > 0)
{loop(v4,v5);
dec2rgpulse((2.5e-3-pw), zero, 0.0, 0.0);
sim3pulse(2.0*pw, 0.0, 2.0*pw, two, zero, zero, 0.0, 0.0);
dec2rgpulse((2.5e-3-pw), zero, 0.0, 0.0);
dec2rgpulse((2.5e-3-pw), zero, 0.0, 0.0);
sim3pulse(2.0*pw, 0.0, 2.0*pw, zero, zero, zero, 0.0, 0.0);
dec2rgpulse((2.5e-3-pw), zero, 0.0, 0.0);
endloop(v5);}
dec2power(pwNlvl);
decrgpulse(pwN, zero, 0.0, 0.0);
delay(1.0/(8.0*slNrf) + 2.0*pwN/PI - pwN);
}
/* xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx */
if (T2[A]=='y')
{
dec2phase(zero);
initval(0.0,v3); initval(180.0,v4);
if (BPpwrlimits > 0.5)
{
dec2power(pwNlvl-3.0); /* reduce for probe protection */
pwN=pwN*compN*1.4;
}
ncyc = 100.0*relaxT;
initval(ncyc,v5);
loop(v5,v6);
initval(3.0,v7);
loop(v7,v8);
delay(0.625e-3 - pwN);
dec2rgpulse(2.0*pwN, zero, 0.0, 0.0);
delay(0.625e-3 - pwN);
endloop(v8);
delay(0.625e-3 - pwN - SAPS_DELAY);
add(v4,v3,v3); obsstepsize(1.0); xmtrphase(v3); /* SAPS_DELAY */
dec2rgpulse(2.0*pwN, zero, 0.0, 0.0);
delay(0.625e-3 - pwN - pw);
rgpulse(2*pw, zero, 0.0, 0.0);
delay(0.625e-3 - pwN - pw );
dec2rgpulse(2.0*pwN, zero, 0.0, 0.0);
xmtrphase(zero); /* SAPS_DELAY */
delay(0.625e-3 - pwN - SAPS_DELAY);
initval(3.0,v9);
loop(v9,v10);
delay(0.625e-3 - pwN);
dec2rgpulse(2.0*pwN, zero, 0.0, 0.0);
delay(0.625e-3 - pwN);
endloop(v10);
endloop(v6);
if (BPpwrlimits > 0.5)
{
dec2power(pwNlvl); /* restore normal value */
pwN=getval("pwN");
}
}
/* xxxxxxxxxxxxxxxxxx OPTIONS FOR N15 EVOLUTION xxxxxxxxxxxxxxxxxxxxx */
txphase(zero);
dec2phase(t9);
if ( (NH2only[A]=='y') || (T1[A]=='y') || (T1rho[A]=='y') || (T2[A]=='y') )
{
delay(tau1);
/* optional sech/tanh pulse in middle of t1 */
if (C13refoc[A]=='y') /* WFG_START_DELAY */
{decshaped_pulse("stC200", 1.0e-3, zero, 0.0, 0.0);
delay(tNH - 1.0e-3 - WFG_START_DELAY - 2.0*pw);}
else
{delay(tNH - 2.0*pw);}
rgpulse(2.0*pw, zero, 0.0, 0.0);
if (tNH < gt1 + 1.99e-4) delay(gt1 + 1.99e-4 - tNH);
delay(tau1);
dec2rgpulse(2.0*pwN, t9, 0.0, 0.0);
if (mag_flg[A] == 'y') magradpulse(gzcal*gzlvl1, gt1);
else zgradpulse(gzlvl1, gt1); /* 2.0*GRADIENT_DELAY */
txphase(t4);
dec2phase(t10);
if (tNH > gt1 + 1.99e-4) delay(tNH - gt1 - 2.0*GRADIENT_DELAY);
else delay(1.99e-4 - 2.0*GRADIENT_DELAY);
}
else if (TROSY[A]=='y')
{
if ( (C13refoc[A]=='y') && (tau1 > 0.5e-3 + WFG2_START_DELAY) )
{delay(tau1 - 0.5e-3 - WFG2_START_DELAY); /* WFG2_START_DELAY */
decshaped_pulse("stC200", 1.0e-3, zero, 0.0, 0.0);
delay(tau1 - 0.5e-3);}
else delay(2.0*tau1);
if (mag_flg[A] == 'y') magradpulse(gzcal*gzlvl1, gt1);
else zgradpulse(gzlvl1, gt1); /* 2.0*GRADIENT_DELAY */
delay(2.0e-4 - 2.0*GRADIENT_DELAY);
dec2rgpulse(2.0*pwN, t9, 0.0, 0.0);
txphase(three);
delay(gt1 + 2.0e-4 - pwHs - 1.0e-4 - 2.0*pwr_dly);
obspower(tpwrs);
if (tpwrsf<4095.0) obspwrf(tpwrsf);
shaped_pulse("H2Osinc", pwHs, three, 5.0e-5, 0.0);
obspower(tpwr);
if (tpwrsf<4095.0) obspwrf(4095.0);
txphase(t4);
delay(5.0e-5);
}
else
{ /* fully-coupled spectrum */
if (dm2[C]=='n') {rgpulse(2.0*pw, zero, 0.0, 0.0); pw=0.0;}
if ( (C13refoc[A]=='y') && (tau1 > 0.5e-3 + WFG2_START_DELAY) )
{delay(tau1 - 0.5e-3 - WFG2_START_DELAY); /* WFG2_START_DELAY */
simshaped_pulse("", "stC200", 2.0*pw, 1.0e-3, zero, zero, 0.0, 0.0);
delay(tau1 - 0.5e-3);
delay(gt1 + 2.0e-4);}
else
{delay(tau1);
rgpulse(2.0*pw, zero, 0.0, 0.0);
delay(gt1 + 2.0e-4 - 2.0*pw);
delay(tau1);}
pw=getval("pw");
dec2rgpulse(2.0*pwN, t9, 0.0, 0.0);
if (mag_flg[A] == 'y') magradpulse(gzcal*gzlvl1, gt1);
else zgradpulse(gzlvl1, gt1); /* 2.0*GRADIENT_DELAY */
txphase(t4);
dec2phase(t10);
delay(2.0e-4 - 2.0*GRADIENT_DELAY);
}
if (T1rho[A]=='y') delay(POWER_DELAY);
/* xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx */
if (TROSY[A]=='y') rgpulse(pw, t4, 0.0, 0.0);
else sim3pulse(pw, 0.0, pwN, t4, zero, t10, 0.0, 0.0);
txphase(zero);
dec2phase(zero);
zgradpulse(gzlvl5, gt5);
if (TROSY[A]=='y') delay(lambda - 0.65*(pw + pwN) - gt5);
else delay(lambda - 1.3*pwN - gt5);
sim3pulse(2.0*pw, 0.0, 2.0*pwN, zero, zero, zero, 0.0, 0.0);
zgradpulse(gzlvl5, gt5);
txphase(one);
dec2phase(t11);
delay(lambda - 1.3*pwN - gt5);
sim3pulse(pw, 0.0, pwN, one, zero, t11, 0.0, 0.0);
txphase(zero);
dec2phase(zero);
zgradpulse(1.5*gzlvl5, gt5);
delay(lambda - 1.3*pwN - gt5);
sim3pulse(2.0*pw, 0.0, 2.0*pwN, zero, zero, zero, 0.0, 0.0);
dec2phase(t10);
zgradpulse(1.5*gzlvl5, gt5);
if (TROSY[A]=='y') delay(lambda - 1.6*pwN - gt5);
else delay(lambda - 0.65*pwN - gt5);
if (TROSY[A]=='y') dec2rgpulse(pwN, t10, 0.0, 0.0);
else rgpulse(pw, zero, 0.0, 0.0);
delay((gt1/10.0) + 1.0e-4 +gstab - 0.65*pw + 2.0*GRADIENT_DELAY + POWER_DELAY);
if ( dm3[B] == 'y' ) /* turns off 2H decoupling */
{
setstatus(DEC3ch, FALSE, 'c', FALSE, dmf3);
dec3rgpulse(1/dmf3,three,2.0e-6,2.0e-6);
dec3blank();
lk_autotrig(); /* resumes lock pulsing */
}
rgpulse(2.0*pw, zero, 0.0, 0.0);
dec2power(dpwr2); /* POWER_DELAY */
if (mag_flg[A] == 'y') magradpulse(icosel*gzcal*gzlvl2, 0.1*gt1);
else zgradpulse(icosel*gzlvl2, 0.1*gt1); /* 2.0*GRADIENT_DELAY */
if(Cdecflg[0] == 'y')
{
delay(gstab-2.0*POWER_DELAY-PRG_START_DELAY+rof2);
rcvron();
statusdelay(C,1.0e-4);
if (dm3[B] == 'y')
{
delay(1/dmf3);
lk_sample();
}
setreceiver(t12);
pbox_decon(&Cdseq);
if(Hdecflg[0] == 'y')
homodec(&HHdseq);
}
else
{
delay(gstab+rof2);
rcvron();
statusdelay(C,1.0e-4);
if (dm3[B] == 'y')
{
delay(1/dmf3);
lk_sample();
}
setreceiver(t12);
if(Hdecflg[0] == 'y')
homodec(&HHdseq);
}
}
void pulsesequence()
{
/* DECLARE VARIABLES */
char
aliph[MAXSTR], /* aliphatic CHn groups only */
arom[MAXSTR], /* aromatic CHn groups only */
N15refoc[MAXSTR], /* flag for refocusing 15N during indirect H1 evolution */
f1180[MAXSTR], /* Flag to start t1 @ halfdwell */
mag_flg[MAXSTR], /* magic angle gradient */
f2180[MAXSTR], /* Flag to start t2 @ halfdwell */
stCshape[MAXSTR], /* C13 inversion pulse shape name */
STUD[MAXSTR], /* Flag to select adiabatic decoupling */
stCdec[MAXSTR], /* contains name of adiabatic decoupling shape */
auto_dof[MAXSTR]; /* automatically adjust dof for aromatic, aliphatic, all carbon */
int
icosel, /* used to get n and p type */
t1_counter, /* used for states tppi in t1 */
t2_counter; /* used for states tppi in t2 */
double
JCH1 = getval("JCH1"), /* smallest coupling that you wish to purge */
JCH2 = getval("JCH2"), /* largest coupling that you wish to purge */
taud, /* 1/(2JCH1) */
taue, /* 1/(2JCH2) */
/* N15 purging */
tauNH = 1/(4.0*getval("JNH")), /* HN coupling constant */
gt4 = getval("gt4"),
gt14 = getval("gt14"),
gt7 = getval("gt7"),
gt17 = getval("gt17"),
gt8 = getval("gt8"),
gt9 = getval("gt9"),
gzlvl4 = getval("gzlvl4"),
gzlvl14 = getval("gzlvl14"),
gzlvl7 = getval("gzlvl7"),
gzlvl17 = getval("gzlvl17"),
gzlvl8 = getval("gzlvl8"),
gzlvl9 = getval("gzlvl9"),
bw, pws, ofs, ppm, nst, /* bandwidth, pulsewidth, offset, ppm, # steps */
ni2 = getval("ni2"),
dofa = 0.0, /* actual 13C offset (depends on aliph and arom)*/
rf200 = getval("rf200"), /* rf in Hz for 200ppm STUD+ */
dmf200 = getval("dmf200"), /* dmf for 200ppm STUD+ */
rf30 = getval("rf30"), /* rf in Hz for 30ppm STUD+ */
dmf30 = getval("dmf30"), /* dmf for 30ppm STUD+ */
stdmf = 1.0, /* dmf for STUD decoupling initialized */
studlvl = 0.0, /* coarse power for STUD+ decoupling initialized */
rffil = 0.0, /* fine power level for 200ppm adiabatic pulse */
rfst = 0.0, /* fine power level for adiabatic pulse initialized */
rf0, /* full fine power */
/*compH = getval("compH"), adjustment for H1 amplifier compression */
compC = getval("compC"), /* adjustment for C13 amplifier compression */
compN = getval("compN"), /* adjustment for N15 amplifier compression */
tau1, /* t1 delay */
tau2, /* t2 delay */
JCH = getval("JCH"), /* CH coupling constant */
Cfil = getval("Cfil"), /* CH coupling constant */
pwC = getval("pwC"), /* PW90 for 13C nucleus @ pwClvl */
pwClvl = getval("pwClvl"), /* high power for 13C hard pulses on dec1 */
pwC180 = getval("pwC180"), /* PW180 for 13C nucleus in INEPT transfers */
pwN = getval("pwN"), /* PW90 for 15N nucleus @ pwNlvl */
pwNlvl = getval("pwNlvl"), /* high power for 15N hard pulses on dec2 */
pwClw=getval("pwClw"),
pwNlw=getval("pwNlw"),
pwZlw=0.0, /* largest of pwNlw and 2*pwClw */
mix = getval("mix"), /* noesy mix time */
sw1 = getval("sw1"), /* spectral width in t1 (H) */
sw2 = getval("sw2"), /* spectral width in t2 (C) */
gstab = getval("gstab"), /* gradient recovery delay (300 us recom.) */
gsign = 1.0,
gzcal = getval("gzcal"), /* dac to G/cm conversion factor */
gt0 = getval("gt0"),
gt1 = getval("gt1"),
gt2 = getval("gt2"),
gt3 = getval("gt3"),
gt5 = getval("gt5"),
gt6 = getval("gt6"),
gzlvl0 = getval("gzlvl0"),
gzlvl1 = getval("gzlvl1"),
gzlvl2 = getval("gzlvl2"),
gzlvl3 = getval("gzlvl3"),
gzlvl5 = getval("gzlvl5"),
gzlvl6 = getval("gzlvl6");
/* LOAD VARIABLES */
getstr("aliph",aliph);
getstr("arom",arom);
getstr("N15refoc",N15refoc);
getstr("mag_flg",mag_flg);
getstr("f1180",f1180);
getstr("f2180",f2180);
getstr("STUD",STUD);
getstr("auto_dof",auto_dof);
/* LOAD PHASE TABLE */
settable(t1,8,phi1);
settable(t2,4,phi2);
settable(t3,2,phi3);
settable(t5,1,phi5);
settable(t6,16,phi6);
settable(t7,32,phi7);
if (Cfil == 1) settable(t4,8,rec1);
else settable(t4,32,rec2);
/* CHECK VALIDITY OF PARAMETER RANGES */
if ( (arom[A]=='n' && aliph[A]=='n') || (arom[A]=='y' && aliph[A]=='y') )
{
printf("You need to select one and only one of arom or aliph options ");
psg_abort(1);
}
if((dm[A] == 'y' || dm[C] == 'y' ))
{
printf("incorrect 13C decoupler flags! dm='nnnn' or 'nnny' only ");
psg_abort(1);
}
if((dm2[A] == 'y' || dm2[C] == 'y' ))
{
printf("incorrect 15N decoupler flags! No decoupling in relax or mix periods ");
psg_abort(1);
}
if( dpwr > 49 )
{
printf("don't fry the probe, DPWR too large! ");
psg_abort(1);
}
if( dpwr2 > 49 )
{
printf("don't fry the probe, DPWR2 too large! ");
psg_abort(1);
}
if( pw > 200.0e-6 )
{
printf("dont fry the probe, pw too high ! ");
psg_abort(1);
}
if( pwN > 200.0e-6 )
{
printf("dont fry the probe, pwN too high ! ");
psg_abort(1);
}
if( pwC > 200.0e-6 )
{
printf("dont fry the probe, pwC too high ! ");
psg_abort(1);
}
if( gt0 > 15e-3 || gt1 > 15e-3 || gt2 > 15e-3 || gt3 > 15e-3 || gt4 > 15e-3 || gt5 > 15e-3 || gt6 > 15e-3 )
{
printf("gti values < 15e-3\n");
psg_abort(1);
}
/* if( gzlvl3*gzlvl4 > 0.0 )*/
if (phase1 == 2)
tsadd(t3,1,4);
if (phase2 == 1) {tsadd(t5,2,4); icosel = +1;}
else icosel = -1;
/* Set up f1180 tau1 = t1 */
tau1 = d2;
if((f1180[A] == 'y') && (ni > 1.0)) tau1 += 1.0/(2.0*sw1);
if(tau1 < 0.2e-6) tau1 = 4.0e-7;
tau1 = tau1/2.0;
/* Set up f2180 tau2 = t2 */
tau2 = d3;
if((f2180[A] == 'y') && (ni2 > 1.0)) tau2 += ( 1.0 / (2.0*sw2) );
tau2 = tau2/2.0;
/* Calculate modifications to phases for States-TPPI acquisition */
if( ix == 1) d2_init = d2 ;
t1_counter = (int) ( (d2-d2_init)*sw1 + 0.5 );
if (t1_counter % 2)
{ tsadd(t3,2,4); tsadd(t4,2,4);}
if( ix == 1) d3_init = d3 ;
t2_counter = (int) ( (d3-d3_init)*sw2 + 0.5 );
if (t2_counter % 2)
{tsadd(t2,2,4); tsadd(t4,2,4);}
/* calculate 3db lower power hard pulses for simultaneous CN decoupling during
indirect H1 evoluion pwNlw and pwClw should be calculated by the macro that
calls the experiment. */
if (N15refoc[A] == 'y')
{
if (pwNlw==0.0) pwNlw = compN*pwN*exp(3.0*2.303/20.0);
if (pwClw==0.0) pwClw = compC*pwC*exp(3.0*2.303/20.0);
if (pwNlw > 2.0*pwClw)
pwZlw=pwNlw;
else
pwZlw=2.0*pwClw;
/* Uncomment to check pwClw and pwNlw
if (d2==0.0 && d3==0.0) printf(" pwClw = %.2f ; pwNlw = %.2f\n", pwClw*1e6,pwNlw*1e6);
*/
}
/* make sure that gt3 and gt1 are of opposite sign to help dephasing H2O */
if (gzlvl3*icosel*gzlvl1 > 0.0) gsign=-1.0;
else gsign=1.0;
/* if coupling constants are input by user use them to calculate delays */
if (Cfil == 1)
{
taud = 1.0/(2.0*JCH1);
taue = 1.0/(2.0*JCH2);
}
else
{
taud = 1.0/(4.0*JCH1);
taue = 1.0/(4.0*JCH2);
}
/* maximum fine power for pwC pulses */
rf0 = 4095.0;
setautocal(); /* activate auto-calibration flags */
if (autocal[0] == 'n')
{
if (arom[A]=='y') /* AROMATIC spectrum */
{
/* 30ppm sech/tanh inversion */
rfst = (compC*4095.0*pwC*4000.0*sqrt((4.5*sfrq/600.0+3.85)/0.41));
rfst = (int) (rfst + 0.5);
}
if (aliph[A]=='y') /* ALIPHATIC spectrum */
{
/* 200ppm sech/tanh inversion pulse */
if (pwC180>3.0*pwC)
{
rfst = (compC*4095.0*pwC*4000.0*sqrt((12.07*sfrq/600+3.85)/0.35));
rfst = (int) (rfst + 0.5);
}
else rfst=4095.0;
if( pwC > (20.0e-6*600.0/sfrq) )
{ printf("Increase pwClvl so that pwC < 20*600/sfrq");
psg_abort(1);
}
}
if (Cfil > 1) /* 200ppm pulse for C13 filtering */
{
/* 200ppm sech/tanh inversion pulse */
if (pwC180>3.0*pwC)
{
rffil = (compC*4095.0*pwC*4000.0*sqrt((12.07*sfrq/600+3.85)/0.35));
rffil = (int) (rffil + 0.5);
}
else rfst=4095.0;
if( pwC > (20.0e-6*600.0/sfrq) )
{ printf("Increase pwClvl so that pwC < 20*600/sfrq");
psg_abort(1);
}
}
}
else /* if autocal = 'y'(yes), 'q'(quiet), r(read), or 's'(semi) */
{
if(FIRST_FID) /* call Pbox */
{
ppm = getval("dfrq");
bw = 118.0*ppm; ofs = 139.0*ppm;
if (arom[A]=='y') /* AROMATIC spectrum */
{
bw = 30.0*ppm; pws = 0.001; ofs = 0.0; nst = 500.0;
stC30 = pbox_makeA("stC30", "sech", bw, pws, ofs, compC*pwC, pwClvl, nst);
}
if ((aliph[A]=='y') || (Cfil > 1))
{
bw = 200.0*ppm; pws = 0.001; ofs = 0.0; nst = 1000.0;
stC200 = pbox_makeA("stC200", "sech", bw, pws, ofs, compC*pwC, pwClvl, nst);
}
ofs_check(H1ofs, C13ofs, N15ofs, H2ofs);
}
if (arom[A]=='y') rfst = stC30.pwrf;
if (aliph[A]=='y')
{
if (pwC180>3.0*pwC) rfst = stC200.pwrf;
else rfst = 4095.0;
}
if (Cfil > 1)
{
if (pwC180>3.0*pwC) rffil = stC200.pwrf;
else rffil = 4095.0;
}
}
if (arom[A]=='y')
{
dofa=dof+(125-43)*dfrq;
strcpy(stCshape, "stC30");
/* 30 ppm STUD+ decoupling */
strcpy(stCdec, "stCdec30");
stdmf = dmf30;
studlvl = pwClvl + 20.0*log10(compC*pwC*4.0*rf30);
studlvl = (int) (studlvl + 0.5);
}
if (aliph[A]=='y')
{
dofa=dof;
strcpy(stCshape, "stC200");
/* 200 ppm STUD+ decoupling */
strcpy(stCdec, "stCdec200");
stdmf = dmf200;
studlvl = pwClvl + 20.0*log10(compC*pwC*4.0*rf200);
studlvl = (int) (studlvl + 0.5);
}
/* BEGIN ACTUAL PULSE SEQUENCE */
status(A);
if (auto_dof[A]=='y') decoffset(dofa);
obspower(tpwr); /* Set transmitter power for hard 1H pulses */
decpower(pwClvl); /* Set Dec1 power for hard 13C pulses */
dec2power(pwNlvl); /* Set Dec2 power for decoupling during tau1 */
dec2pwrf(rf0);
initval(135.0,v1);
obsstepsize(1.0);
delay(d1);
/* destroy N15 and C13 magnetization */
if (N15refoc[A] == 'y') dec2rgpulse(pwN, zero, 0.0, 0.0);
decrgpulse(pwC, zero, 0.0, 0.0);
zgradpulse(gzlvl0, 0.5e-3);
delay(gstab);
if (N15refoc[A] == 'y') dec2rgpulse(pwN, one, 0.0, 0.0);
decrgpulse(pwC, one, 0.0, 0.0);
zgradpulse(0.7*gzlvl0, 0.5e-3);
decphase(zero);
dec2phase(zero);
rcvroff();
delay(gstab);
status(B);
if (Cfil == 1)
{
xmtrphase(v1);
rgpulse(pw, t1, rof1 , 0.0);
txphase(zero);
xmtrphase(zero);
/* CN FILTER BEGINS */
zgradpulse(gzlvl8, gt8);
txphase(zero); xmtrphase(zero);
delay(taud -gt8 -2.0*GRADIENT_DELAY -2.0*SAPS_DELAY);
simpulse(2.0*pw, 2.0*pwC, zero, zero, 0.0, 0.0);
zgradpulse(gzlvl8, gt8);
delay(taue -gt8 -2.0*GRADIENT_DELAY);
decrgpulse(pwC, zero, 0.0, 0.0);
delay(taud -taue -pwC);
/* CN FILTER ENDS */
}
else if (Cfil == 2)
{
txphase(t6);
rgpulse(pw, t6, rof1, 0.0); /* 90 deg 1H pulse */
/* BEGIN 1st FILTER */
txphase(zero);
zgradpulse(gzlvl8,gt8);
decpwrf(rffil);
delay(taud -gt8 -2.0*GRADIENT_DELAY -WFG2_START_DELAY -0.5e-3 +70.0e-6);
simshaped_pulse("", "stC200", 2.0*pw, pwC180, zero, zero, 0.0, 0.0);
zgradpulse(gzlvl8,gt8);
decpwrf(rf0);
delay(taud -gt8 -2.0*GRADIENT_DELAY -0.5e-3 +70.0e-6);
simpulse(pw, pwC, zero, zero, 0.0, 0.0);
zgradpulse(gzlvl4,gt4);
txphase(t7);
delay(gstab);
rgpulse(pw, t7, 0.0, 0.0);
/* BEGIN 2nd FILTER */
zgradpulse(gzlvl9,gt9);
decpwrf(rffil);
delay(taue -gt9 -2.0*GRADIENT_DELAY -WFG2_START_DELAY -0.5e-3 +70.0e-6);
simshaped_pulse("", "stC200", 2.0*pw, pwC180, zero, zero, 0.0, 0.0);
zgradpulse(gzlvl9,gt9);
decpwrf(rf0);
delay(taue -gt9 -2.0*GRADIENT_DELAY -0.5e-3 +70.0e-6);
simpulse(pw, pwC, zero, zero, 0.0, 0.0);
zgradpulse(gzlvl7,gt7);
txphase(t1); xmtrphase(v1);
delay(gstab);
rgpulse(pw, t1, 0.0, 0.0);
txphase(zero); xmtrphase(zero);
}
else if (Cfil == 3)
{
txphase(t6);
rgpulse(pw, t6, rof1, 0.0); /* 90 deg 1H pulse */
/* BEGIN 1st FILTER */
txphase(zero);
zgradpulse(gzlvl8,gt8);
delay(tauNH -gt8 -2.0*GRADIENT_DELAY);
sim3pulse(2.0*pw, 0.0, 2.0*pwN, zero, zero, zero, 0.0, 0.0);
decpwrf(rffil);
delay(tauNH -taud -0.5e-3 -WFG_START_DELAY -PWRF_DELAY);
decshaped_pulse("stC200", pwC180, zero, 0.0, 0.0);
zgradpulse(gzlvl8,gt8);
decpwrf(rf0);
delay(taud -gt8 -2.0*GRADIENT_DELAY -0.5e-3 -PWRF_DELAY);
sim3pulse(pw, pwC, pwN, zero, zero, zero, 0.0, 0.0);
zgradpulse(gzlvl14,gt14);
txphase(t7);
delay(gstab);
rgpulse(pw, t7, 0.0, 0.0);
/* BEGIN 2nd FILTER */
zgradpulse(gzlvl9,gt9);
delay(tauNH -gt9 -2.0*GRADIENT_DELAY);
sim3pulse(2.0*pw, 0.0, 2.0*pwN, zero, zero, zero, 0.0, 0.0);
decpwrf(rffil);
delay(tauNH -taue -0.5e-3 -WFG_START_DELAY -PWRF_DELAY);
decshaped_pulse("stC200", pwC180, zero, 0.0, 0.0);
zgradpulse(gzlvl9,gt9);
decpwrf(rf0);
delay(taue -gt9 -2.0*GRADIENT_DELAY -0.5e-3 -PWRF_DELAY);
sim3pulse(pw, pwC, pwN, zero, zero, zero, 0.0, 0.0);
zgradpulse(gzlvl17,gt17);
txphase(t1); xmtrphase(v1);
delay(gstab);
rgpulse(pw, t1, 0.0, 0.0);
txphase(zero); xmtrphase(zero);
}
/* H1 INDIRECT EVOLUTION BEGINS */
if (ni > 0)
txphase(t3);
{
if ( (N15refoc[A]=='y') && ((tau1 -pwN -2.0*pw/PI -rof1 -SAPS_DELAY) > 0.0) )
{
delay(tau1 -pwN -2.0*pw/PI -SAPS_DELAY);
dec2rgpulse(2.0*pwN, zero, 0.0, 0.0);
delay(tau1 -pwN -2.0*pw/PI -rof1);
}
else if (tau1 > 2.0*pw/PI +rof1 +SAPS_DELAY)
delay(2.0*tau1 -4.0*pw/PI -2.0*rof1 -SAPS_DELAY);
}
/* H1 INDIRECT EVOLUTION ENDS */
rgpulse(pw, t3, rof1, rof1); /* 2nd 1H 90 pulse */
status(C);
delay(mix -pwC -gt0 -PWRF_DELAY -gstab -2.0*GRADIENT_DELAY);
decrgpulse(pwC,zero,0.0,0.0);
zgradpulse(gzlvl0, gt0);
decpwrf(rfst); /* fine power for inversion pulse */
delay(gstab);
/* FIRST HSQC INEPT TRANSFER */
rgpulse(pw,zero,0.0,0.0);
zgradpulse(gzlvl4, gt4);
delay(1/(4.0*JCH) -gt4 -2.0*GRADIENT_DELAY -WFG2_START_DELAY -pwC180*0.45);
simshaped_pulse("",stCshape,2*pw,pwC180,zero,zero,0.0,0.0);
zgradpulse(gzlvl4, gt4);
decpwrf(rf0);
txphase(one);
delay(1/(4.0*JCH) -gt4 -2.0*GRADIENT_DELAY -pwC180*0.45 -PWRF_DELAY -SAPS_DELAY);
rgpulse(pw,one,0.0,0.0);
zgradpulse(gsign*gzlvl3, gt3);
txphase(zero);
delay(gstab);
/* C13 EVOLUTION */
decrgpulse(pwC,t2,0.0,0.0);
delay(tau2);
rgpulse(2.0*pw,zero,0.0,0.0);
delay(tau2);
decphase(zero);
delay(gt1 +2.0*GRADIENT_DELAY +gstab -2.0*pw -SAPS_DELAY);
decrgpulse(2*pwC,zero,0.0,0.0);
if (mag_flg[A] == 'y') magradpulse(icosel*gzcal*gzlvl1, gt1);
else zgradpulse(icosel*gzlvl1, gt1);
decphase(t5);
delay(gstab);
decrgpulse(pwC,t5,0.0,0.0);
delay(pw);
rgpulse(pw,zero,0.0,0.0);
zgradpulse(gzlvl5, gt5);
decphase(zero);
delay(1/(8.0*JCH) -gt5 -SAPS_DELAY -2.0*GRADIENT_DELAY); /* d3 = 1/8*Jch */
decrgpulse(2.0*pwC,zero,0.0,2.0e-6);
rgpulse(2.0*pw,zero,0.0,0.0);
zgradpulse(gzlvl5, gt5);
decphase(one);
txphase(one);
delay(1/(8.0*JCH) -gt5 -2.0*SAPS_DELAY -2.0*GRADIENT_DELAY); /* d3 = 1/8*Jch */
delay(pwC);
decrgpulse(pwC,one,0.0,2.0e-6);
rgpulse(pw,one,0.0,0.0);
zgradpulse(gzlvl6, gt6);
decpwrf(rfst); /* fine power for inversion pulse */
decphase(zero);
txphase(zero);
delay(1/(4.0*JCH) -gt6 -pwC180*0.45 -PWRF_DELAY
-WFG2_START_DELAY -2.0*SAPS_DELAY -2.0*GRADIENT_DELAY); /* d2 = 1/4*Jch */
simshaped_pulse("",stCshape,2*pw,pwC180,zero,zero,0.0,0.0);
zgradpulse(gzlvl6, gt6);
decpwrf(rf0);
delay(1/(4.0*JCH) -gt6 -pwC180*0.45 -PWRF_DELAY -2.0*GRADIENT_DELAY); /* d2 = 1/4*Jch */
rgpulse(pw,zero,0.0,0.0);
delay(gt2 +gstab +2.0*GRADIENT_DELAY +POWER_DELAY);
rgpulse(2*pw,zero,0.0,0.0);
if (mag_flg[A] == 'y') magradpulse(gzcal*gzlvl2, gt2);
else zgradpulse(gzlvl2, gt2);
delay(gstab);
setreceiver(t4);
rcvron();
if ((STUD[A]=='y') && (dm[D] == 'y'))
{
decpower(studlvl);
decprgon(stCdec, 1.0/stdmf, 1.0);
decon();
}
else
{
decpower(dpwr);
status(D);
}
}
pulsesequence()
{
/* DECLARE AND LOAD VARIABLES */
char f1180[MAXSTR], /* Flag to start t1 @ halfdwell */
mag_flg[MAXSTR], /*magic angle gradient*/
f2180[MAXSTR], /* Flag to start t2 @ halfdwell */
codecseq[MAXSTR]; /* sequence for 13C' decoupling */
int icosel1, /* used to get n and p type */
icosel2,
t1_counter, /* used for states tppi in t1 */
ni2 = getval("ni2");
double tau1, /* t1 delay */
tau2, /* t2 delay */
del = getval("del"), /* time delays for CH coupling evolution */
del1 = getval("del1"),
del2 = getval("del2"),
del3 = getval("del3"),
del4 = getval("del4"),
TC = getval("TC"),
satpwr = getval("satpwr"),
waltzB1 = getval("waltzB1"),
spinlock = getval("spinlock"),
pwco,copwr, cores,codmf,
kappa,
pwClvl = getval("pwClvl"), /* coarse power for C13 pulse */
pwC = getval("pwC"), /* C13 90 degree pulse length at pwClvl */
rf0, /* maximum fine power when using pwC pulses */
/* p_d is used to calculate the isotropic mixing on the Cab region */
p_d, /* 50 degree pulse for DIPSI-2 at rfd */
rfd, /* fine power for 7 kHz rf for 500MHz magnet */
ncyc = getval("ncyc"), /* no. of cycles of DIPSI-3 */
compC = getval("compC"), /* adjustment for C13 amplifier compression */
pwNlvl = getval("pwNlvl"), /* power for N15 pulses */
pwN = getval("pwN"), /* N15 90 degree pulse length at pwNlvl */
pwHd, /* H1 90 degree pulse length at tpwrd */
tpwrd, /*rf for WALTZ decoupling */
sw1 = getval("sw1"),
sw2 = getval("sw2"),
gt1 = getval("gt1"), /* coherence pathway gradients */
gzcal = getval("gzcal"), /* G/cm to DAC coversion factor*/
gstab = getval("gstab"),
gzlvl1 = getval("gzlvl1"),
gzlvl2 = getval("gzlvl2"),
gt3 = getval("gt3"), /* other gradients */
gt5 = getval("gt5"),
gzlvl3 = getval("gzlvl3"),
gzlvl4 = getval("gzlvl4"),
gzlvl5 = getval("gzlvl5"),
gzlvl6 = getval("gzlvl6");
getstr("mag_flg",mag_flg);
getstr("f1180",f1180);
getstr("f2180",f2180);
getstr("codecseq",codecseq);
/* LOAD PHASE TABLE */
settable(t1,2,phi1);
settable(t2,1,phi2);
settable(t3,1,phi3);
settable(t4,1,phi4);
settable(t11,2,rec);
/* INITIALIZE VARIABLES */
if( dpwrf < 4095 )
{ printf("reset dpwrf=4095 and recalibrate C13 90 degree pulse");
psg_abort(1); }
/* maximum fine power for pwC pulses */
rf0 = 4095.0;
/* dipsi-3 decoupling on CbCa */
p_d = (5.0)/(9.0*4.0*spinlock); /* DIPSI-3*/
rfd = (compC*4095.0*pwC*5.0)/(p_d*9.0);
rfd = (int) (rfd + 0.5);
ncyc = (int) (ncyc + 0.5);
/* power level and pulse time for WALTZ 1H decoupling */
pwHd = 1/(4.0 * waltzB1) ;
tpwrd = tpwr - 20.0*log10(pwHd/(pw));
tpwrd = (int) (tpwrd + 0.5);
/* activate auto-calibration flags */
setautocal();
if (autocal[0] == 'n')
{
codmf= getval("codmf");
pwco = 1.0/codmf; /* pw for 13C' decoupling field */
copwr = getval("copwr"); /* power level for 13C' decoupling */
cores = getval("cores"); /* power level for 13C' decoupling */
}
else /* if autocal = 'y'(yes), 'q'(quiet), r(read), or 's'(semi) */
{
strcpy(codecseq,"Pdec_154p");
if(FIRST_FID) /* call Pbox */
{
ppm = getval("dfrq");
bw=20.0*ppm; ofs=154*ppm;
Pdec_154p = pbox_Dsh("Pdec_154p", "WURST2", bw, ofs, compC*pwC, pwClvl);
bw=30*ppm; ofs=0.0*ppm; nst = 1000; pws = 0.001;
me180 = pbox_makeA("me180", "sech", bw, pws, ofs, compC*pwC, pwClvl, nst);
}
copwr = Pdec_154p.pwr; pwco = 1.0/Pdec_154p.dmf;
cores = Pdec_154p.dres;
pwme180 = me180.pw; me180pwr= me180.pwr; me180pwrf = me180.pwrf;
}
/* CHECK VALIDITY OF PARAMETER RANGES */
if( gt1 > 0.5*del - 1.0e-4)
{
printf(" gt1 is too big. Make gt1 less than %f.\n", (0.5*del - 1.0e-4));
psg_abort(1);
}
if( dm[A] == 'y' )
{
printf("incorrect dec1 decoupler flag! Should be 'nny' or 'nnn' ");
psg_abort(1);
}
if((dm2[A] == 'y' || dm2[C] == 'y'))
{
printf("incorrect dec2 decoupler flags! Should be 'nnn' ");
psg_abort(1);
}
if((dm3[A] == 'y' || dm3[C] == 'y'))
{
printf("incorrect dec3 decoupler flags! Should be 'nnn' or 'nyn' ");
psg_abort(1);
}
if( dpwr > 52 )
{
printf("don't fry the probe, DPWR too large! ");
psg_abort(1);
}
if( pw > 50.0e-6 )
{
printf("dont fry the probe, pw too high ! ");
psg_abort(1);
}
if( pwN > 100.0e-6 )
{
printf("dont fry the probe, pwN too high ! ");
psg_abort(1);
}
/* PHASES AND INCREMENTED TIMES */
/* Phase incrementation for hypercomplex 2D data, States-Haberkorn element */
icosel1 = 1; icosel2 = 1;
if (phase1 == 2)
{ tsadd(t2,2,4); icosel1 = -1;}
if (phase2 == 2)
{ tsadd(t4,2,4); icosel2 = -1; tsadd(t2,2,4);}
/* Set up f1180 */
tau1 = d2;
if((f1180[A] == 'y') && (ni > 1.0))
{ tau1 += ( 1.0 / (2.0*sw1) ); if(tau1 < 0.2e-6) tau1 = 0.0; }
tau1 = tau1/2.0;
/* Set up f2180 */
tau2 = d3;
if((f2180[A] == 'y') && (ni2 > 1.0))
{ tau2 += ( 1.0 / (2.0*sw2) ); if(tau2 < 0.2e-6) tau2 = 0.0; }
tau2 = tau2/2.0;
/* Calculate modifications to phases for States-TPPI acquisition */
if( ix == 1) d2_init = d2;
t1_counter = (int) ( (d2-d2_init)*sw1 + 0.5 );
if(t1_counter % 2)
{ tsadd(t1,2,4); tsadd(t11,2,4); }
if(ni > 1)
kappa = (double)(t1_counter*(del2)) / ( (double) (ni-1) );
else kappa = 0.0;
/* BEGIN PULSE SEQUENCE */
status(A);
decoffset(dof-140*dfrq);
obspower(tpwr);
decpower(pwClvl);
dec2power(pwNlvl);
decpwrf(rf0);
obsoffset(tof);
txphase(zero);
delay(1.0e-5);
if (satmode[A] == 'y')
{
obspower(satpwr);
txphase(zero);
rgpulse(d1,zero,20.0e-6,20.0e-6);
obspower(tpwr); /* Set power for hard pulses */
}
else
{
obspower(tpwr); /* Set power for hard pulses */
delay(d1);
}
decrgpulse(pwC, zero, 0.0, 0.0); /*destroy C13 magnetization*/
zgradpulse(gzlvl1, 0.5e-3);
delay(gstab);
decrgpulse(pwC, one, 0.0, 0.0);
zgradpulse(0.7*gzlvl1, 0.5e-3);
delay(1.1*gstab);
if(dm3[B] == 'y') /*optional 2H decoupling on */
{
dec3unblank();
dec3rgpulse(1/dmf3, one, 0.0, 0.0);
dec3unblank();
setstatus(DEC3ch, TRUE, 'w', FALSE, dmf3);
}
rgpulse(pw, zero, 0.0, 0.0); /* 1H pulse excitation */
zgradpulse(gzlvl3, gt3);
decphase(zero);
delay(0.5*del - gt3);
simpulse(2.0*pw, 2.0*pwC, zero, zero, 0.0, 0.0);
zgradpulse(gzlvl3, gt3);
txphase(one);
decphase(t1);
delay(0.5*del - gt3);
rgpulse(pw,one,0.0,0.0);
zgradpulse(1.8*gzlvl3, gt3);
txphase(zero);
delay(150e-6);
decrgpulse(pwC, t1, 0.0, 0.0);
/* decoupling on for carbonyl carbon */
decpwrf(4095.0);
decpower(copwr);
decprgon(codecseq,pwco,cores);
decon();
/* decoupling on for carbonyl carbon */
delay(tau1);
dec2rgpulse(2.0*pwN, zero, 0.0, 0.0);
zgradpulse(icosel1*gzlvl4, gt1);
delay(0.5*del2 - 2.0*pwN - gt1 - 2.0*pw);
rgpulse(2.0*pw,zero,0.0,0.0);
delay(tau1 - (kappa*tau1));
/* co-decoupling off */
decoff();
decprgoff();
/* co-decoupling off */
decpower(pwClvl);
decrgpulse(2.0*pwC, zero, 0.0, 0.0);
/* decoupling on for carbonyl carbon */
decpwrf(4095.0);
decpower(copwr);
decprgon(codecseq,pwco,cores);
decon();
/* decoupling on for carbonyl carbon */
delay(0.5*del2 - kappa*tau1);
/* co-decoupling off */
decoff();
decprgoff();
/* co-decoupling off */
decpower(pwClvl);
decphase(t2);
decrgpulse(pwC, t2, 0.0, 0.0);
decpwrf(rfd);
delay(2.0e-6);
initval(ncyc, v2);
starthardloop(v2);
decrgpulse(4.9*p_d,one,0.0,0.0);
decrgpulse(7.9*p_d,three,0.0,0.0);
decrgpulse(5.0*p_d,one,0.0,0.0);
decrgpulse(5.5*p_d,three,0.0,0.0);
decrgpulse(0.6*p_d,one,0.0,0.0);
decrgpulse(4.6*p_d,three,0.0,0.0);
decrgpulse(7.2*p_d,one,0.0,0.0);
decrgpulse(4.9*p_d,three,0.0,0.0);
decrgpulse(7.4*p_d,one,0.0,0.0);
decrgpulse(6.8*p_d,three,0.0,0.0);
decrgpulse(7.0*p_d,one,0.0,0.0);
decrgpulse(5.2*p_d,three,0.0,0.0);
decrgpulse(5.4*p_d,one,0.0,0.0);
decrgpulse(0.6*p_d,three,0.0,0.0);
decrgpulse(4.5*p_d,one,0.0,0.0);
decrgpulse(7.3*p_d,three,0.0,0.0);
decrgpulse(5.1*p_d,one,0.0,0.0);
decrgpulse(7.9*p_d,three,0.0,0.0);
decrgpulse(4.9*p_d,three,0.0,0.0);
decrgpulse(7.9*p_d,one,0.0,0.0);
decrgpulse(5.0*p_d,three,0.0,0.0);
decrgpulse(5.5*p_d,one,0.0,0.0);
decrgpulse(0.6*p_d,three,0.0,0.0);
decrgpulse(4.6*p_d,one,0.0,0.0);
decrgpulse(7.2*p_d,three,0.0,0.0);
decrgpulse(4.9*p_d,one,0.0,0.0);
decrgpulse(7.4*p_d,three,0.0,0.0);
decrgpulse(6.8*p_d,one,0.0,0.0);
decrgpulse(7.0*p_d,three,0.0,0.0);
decrgpulse(5.2*p_d,one,0.0,0.0);
decrgpulse(5.4*p_d,three,0.0,0.0);
decrgpulse(0.6*p_d,one,0.0,0.0);
decrgpulse(4.5*p_d,three,0.0,0.0);
decrgpulse(7.3*p_d,one,0.0,0.0);
decrgpulse(5.1*p_d,three,0.0,0.0);
decrgpulse(7.9*p_d,one,0.0,0.0);
decrgpulse(4.9*p_d,three,0.0,0.0);
decrgpulse(7.9*p_d,one,0.0,0.0);
decrgpulse(5.0*p_d,three,0.0,0.0);
decrgpulse(5.5*p_d,one,0.0,0.0);
decrgpulse(0.6*p_d,three,0.0,0.0);
decrgpulse(4.6*p_d,one,0.0,0.0);
decrgpulse(7.2*p_d,three,0.0,0.0);
decrgpulse(4.9*p_d,one,0.0,0.0);
decrgpulse(7.4*p_d,three,0.0,0.0);
decrgpulse(6.8*p_d,one,0.0,0.0);
decrgpulse(7.0*p_d,three,0.0,0.0);
decrgpulse(5.2*p_d,one,0.0,0.0);
decrgpulse(5.4*p_d,three,0.0,0.0);
decrgpulse(0.6*p_d,one,0.0,0.0);
decrgpulse(4.5*p_d,three,0.0,0.0);
decrgpulse(7.3*p_d,one,0.0,0.0);
decrgpulse(5.1*p_d,three,0.0,0.0);
decrgpulse(7.9*p_d,one,0.0,0.0);
decrgpulse(4.9*p_d,one,0.0,0.0);
decrgpulse(7.9*p_d,three,0.0,0.0);
decrgpulse(5.0*p_d,one,0.0,0.0);
decrgpulse(5.5*p_d,three,0.0,0.0);
decrgpulse(0.6*p_d,one,0.0,0.0);
decrgpulse(4.6*p_d,three,0.0,0.0);
decrgpulse(7.2*p_d,one,0.0,0.0);
decrgpulse(4.9*p_d,three,0.0,0.0);
decrgpulse(7.4*p_d,one,0.0,0.0);
decrgpulse(6.8*p_d,three,0.0,0.0);
decrgpulse(7.0*p_d,one,0.0,0.0);
decrgpulse(5.2*p_d,three,0.0,0.0);
decrgpulse(5.4*p_d,one,0.0,0.0);
decrgpulse(0.6*p_d,three,0.0,0.0);
decrgpulse(4.5*p_d,one,0.0,0.0);
decrgpulse(7.3*p_d,three,0.0,0.0);
decrgpulse(5.1*p_d,one,0.0,0.0);
decrgpulse(7.9*p_d,three,0.0,0.0);
endhardloop();
txphase(one);
decpwrf(rf0);
decphase(t3);
obspower(tpwrd);
decrgpulse(pwC,t3,0.0,0.0);
decoffset(dof - 155*dfrq);
rgpulse(pwHd,one,0.0,2.0e-6);
txphase(zero);
obsunblank();
obsprgon("waltz16", pwHd, 90.0); /* PRG_START_DELAY */
xmtron();
delay(TC - OFFSET_DELAY - POWER_DELAY - PRG_START_DELAY - tau2);
decrgpulse(2.0*pwC, zero, 0.0, 0.0);
delay(TC + tau2 - POWER_DELAY - PRG_STOP_DELAY - 2*gt1 - gstab - 2.0*pw);
xmtroff();
obsprgoff();
obsblank();
rgpulse(pwHd,three,2.0e-6,0.0);
obspower(tpwr);
if (mag_flg[A] =='y')
magradpulse(gzcal*icosel2*gzlvl2, gt1);
else
zgradpulse(icosel2*gzlvl2, gt1);
delay(gstab/2.0);
rgpulse(2.0*pw,zero,0.0,0.0);
if (mag_flg[A] =='y')
magradpulse(gzcal*icosel2*gzlvl2, gt1);
else
zgradpulse(icosel2*gzlvl2, gt1);
delay(gstab/2.0);
decphase(zero);
simpulse(0.0,pwC, two, zero, 0.0, 0.0);
zgradpulse(gzlvl5, gt5);
delay(0.5*del1 - gt5);
simpulse(2.0*pw, 2.0*pwC, zero, zero, 0.0, 0.0);
zgradpulse(gzlvl5, gt5);
txphase(one);
decphase(t4);
delay(0.5*del1 - gt5);
simpulse(pw, pwC, one, t4, 0.0, 0.0);
zgradpulse(gzlvl6, gt5);
txphase(zero);
decphase(zero);
delay(0.5*del4 - gt5);
simpulse(2.0*pw, 2.0*pwC, zero, zero, 0.0, 0.0);
zgradpulse(gzlvl6, gt5);
delay(0.5*del4 - gt5);
simpulse(pw,pwC,zero,zero,0.0,0.0);
zgradpulse(2.3*gzlvl6, gt1);
if (autocal[A] == 'y')
{
decpower(me180pwr); decpwrf(me180pwrf);
delay(0.5*del3 - gt1 - 0.0005 -2.0*POWER_DELAY- WFG2_START_DELAY);
simshaped_pulse("","me180",2.0*pw,0.001, zero, zero, 0.0, 0.0);
decpwrf(rf0);
decphase(zero);
}
else
{
delay(0.5*del3 - 0.5*pwC - gt1);
simpulse(2.0*pw,2.0*pwC, zero, zero, 0.0, 0.0);
}
decpower(dpwr);
if (mag_flg[A] == 'y')
magradpulse(gzcal*((2.3*gzlvl6)+gzlvl1), gt1);
else
zgradpulse(((2.3*gzlvl6)+gzlvl1), gt1);
if (autocal[A] == 'y')
{
if(dm3[B] == 'y')
delay(0.5*del3 - 0.0005 -gt1 -1/dmf3 - 2.0*GRADIENT_DELAY - 2.0*POWER_DELAY);
else
delay(0.5*del3 - 0.0005 -gt1 - 2.0*GRADIENT_DELAY - 2.0*POWER_DELAY);
}
else
{
if(dm3[B] == 'y')
delay(0.5*del3 - gt1 -1/dmf3 - 2.0*GRADIENT_DELAY - POWER_DELAY);
else
delay(0.5*del3 - gt1 - 2.0*GRADIENT_DELAY - POWER_DELAY);
}
if(dm3[B] == 'y') /*optional 2H decoupling off */
{
dec3rgpulse(1/dmf3, three, 0.0, 0.0);
setstatus(DEC3ch, FALSE, 'w', FALSE, dmf3);
dec3blank();
}
if (dm3[B]=='y') lk_sample();
status(C);
setreceiver(t11);
}
void pulsesequence()
{
/* DECLARE AND LOAD VARIABLES */
char f1180[MAXSTR], /* Flag to start t1 @ halfdwell */
f2180[MAXSTR], /* Flag to start t2 @ halfdwell */
mag_flg[MAXSTR], /* magic-angle coherence transfer gradients */
TROSY[MAXSTR]; /* do TROSY on N15 and H1 */
int icosel, /* used to get n and p type */
t1_counter=getval("t1_counter"), /* used for states tppi in t1 */
t2_counter=getval("t2_counter"), /* used for states tppi in t2 */
nli = getval("nli"),
nli2 = getval("nli2");
double tau1, /* t1 delay */
tau2, /* t2 delay */
timeTN = getval("timeTN"), /* constant time for 15N evolution */
kappa = 5.4e-3,
lambda = 2.4e-3,
pwClvl = getval("pwClvl"), /* coarse power for C13 pulse */
pwC = getval("pwC"), /* C13 90 degree pulse length at pwClvl */
rf0, /* maximum fine power when using pwC pulses */
/* the following pulse lengths for SLP pulses are automatically calculated */
/* by the macro "proteincal". SLP pulse shapes, "offC3" etc are called */
/* directly from your shapelib. */
pwC3 = getval("pwC3"), /*180 degree pulse at Ca(56ppm) null at CO(174ppm) */
pwC3a = getval("pwC3a"), /* pwC3a=pwC3, but not set to zero when pwC3=0 */
phshift3, /* phase shift induced on CO by pwC3 ("offC3") pulse */
pwZ, /* the largest of pwC3 and 2.0*pwN */
pwZ1, /* the largest of pwC3a and 2.0*pwN for 1D experiments */
pwC6 = getval("pwC6"), /* 90 degree selective sinc pulse on CO(174ppm) */
pwC8 = getval("pwC8"), /* 180 degree selective sinc pulse on CO(174ppm) */
rf3, /* fine power for the pwC3 ("offC3") pulse */
rf6, /* fine power for the pwC6 ("offC6") pulse */
rf8, /* fine power for the pwC8 ("offC8") pulse */
compH = getval("compH"), /* adjustment for C13 amplifier compression */
compC = getval("compC"), /* adjustment for C13 amplifier compression */
pwHs = getval("pwHs"), /* H1 90 degree pulse length at tpwrs */
tpwrsf = getval("tpwrsf"), /* fine power for pwHs pulse */
tpwrs, /* power for the pwHs ("H2Osinc") pulse */
pwHd, /* H1 90 degree pulse length at tpwrd */
tpwrd, /* rf for WALTZ decoupling */
waltzB1 = getval("waltzB1"), /* waltz16 field strength (in Hz) */
pwNlvl = getval("pwNlvl"), /* power for N15 pulses */
pwN = getval("pwN"), /* N15 90 degree pulse length at pwNlvl */
sw1 = getval("sw1"),
sw2 = getval("sw2"),
gt1 = getval("gt1"), /* coherence pathway gradients */
gzcal = getval("gzcal"), /* g/cm to DAC conversion factor */
gzlvl1 = getval("gzlvl1"),
gzlvl2 = getval("gzlvl2"),
gt0 = getval("gt0"), /* other gradients */
gt3 = getval("gt3"),
gt4 = getval("gt4"),
gt5 = getval("gt5"),
gstab = getval("gstab"),
gzlvl0 = getval("gzlvl0"),
gzlvl3 = getval("gzlvl3"),
gzlvl4 = getval("gzlvl4"),
gzlvl5 = getval("gzlvl5"),
gzlvl6 = getval("gzlvl6");
getstr("f1180",f1180);
getstr("f2180",f2180);
getstr("mag_flg",mag_flg);
getstr("TROSY",TROSY);
/* LOAD PHASE TABLE */
settable(t3,2,phi3);
settable(t4,1,phx);
settable(t5,4,phi5);
if (TROSY[A]=='y')
{settable(t8,1,phy);
settable(t9,1,phx);
settable(t10,1,phy);
settable(t11,1,phx);
settable(t12,4,recT);}
else
{settable(t8,1,phx);
settable(t9,8,phi9);
settable(t10,1,phx);
settable(t11,1,phy);
settable(t12,4,rec);}
/* INITIALIZE VARIABLES */
if( dpwrf < 4095 )
{ printf("reset dpwrf=4095 and recalibrate C13 90 degree pulse");
psg_abort(1); }
/* maximum fine power for pwC pulses */
rf0 = 4095.0;
/* 180 degree pulse on Ca, null at CO 118ppm away */
rf3 = (compC*4095.0*pwC*2.0)/pwC3a;
rf3 = (int) (rf3 + 0.5);
/* the pwC3 pulse at the middle of t1 */
if ((nli2 > 0.0) && (nli == 1.0)) nli = 0.0;
if (pwC3a > 2.0*pwN) pwZ = pwC3a; else pwZ = 2.0*pwN;
if ((pwC3==0.0) && (pwC3a>2.0*pwN)) pwZ1=pwC3a-2.0*pwN; else pwZ1=0.0;
if ( nli > 1 ) pwC3 = pwC3a;
if ( pwC3 > 0 ) phshift3 = 48.0;
else phshift3 = 0.0;
/* 90 degree one-lobe sinc pulse on CO, null at Ca 118ppm away */
rf6 = (compC*4095.0*pwC*1.69)/pwC6; /* needs 1.69 times more */
rf6 = (int) (rf6 + 0.5); /* power than a square pulse */
/* 180 degree one-lobe sinc pulse on CO, null at Ca 118ppm away */
rf8 = (compC*4095.0*pwC*2.0*1.65)/pwC8; /* needs 1.65 times more */
rf8 = (int) (rf8 + 0.5); /* power than a square pulse */
/* selective H20 one-lobe sinc pulse */
tpwrs = tpwr - 20.0*log10(pwHs/(compH*pw*1.69)); /* needs 1.69 times more */
tpwrs = (int) (tpwrs); /* power than a square pulse */
/* power level and pulse time for WALTZ 1H decoupling */
pwHd = 1/(4.0 * waltzB1) ;
tpwrd = tpwr - 20.0*log10(pwHd/(compH*pw));
tpwrd = (int) (tpwrd + 0.5);
/* CHECK VALIDITY OF PARAMETER RANGES */
if ( 0.5*nli2*1/(sw2) > timeTN - WFG3_START_DELAY)
{ printf(" nli2 is too big. Make nli2 equal to %d or less.\n",
((int)((timeTN - WFG3_START_DELAY)*2.0*sw2))); psg_abort(1);}
if ( dm[A] == 'y' || dm[B] == 'y' || dm[C] == 'y' )
{ printf("incorrect dec1 decoupler flags! Should be 'nnn' "); psg_abort(1);}
if ( dm2[A] == 'y' || dm2[B] == 'y' )
{ printf("incorrect dec2 decoupler flags! Should be 'nny' "); psg_abort(1);}
if ( dpwr2 > 46 )
{ printf("dpwr2 too large! recheck value "); psg_abort(1);}
if ( pw > 50.0e-6 )
{ printf(" pw too long ! recheck value "); psg_abort(1);}
if ( (pwN > 100.0e-6) && (nli>1 || nli2>1))
{ printf(" pwN too long! recheck value "); psg_abort(1);}
if ( TROSY[A]=='y' && dm2[C] == 'y' )
{ text_error("Choose either TROSY='n' or dm2='n' ! "); psg_abort(1);}
/* PHASES AND INCREMENTED TIMES */
/* Phase incrementation for hypercomplex 2D data, States-Haberkorn element */
if (phase1 == 2) tsadd(t3,1,4);
if (TROSY[A]=='y')
{ if (phase2 == 2) icosel = +1;
else {tsadd(t4,2,4); tsadd(t10,2,4); icosel = -1;}
}
else { if (phase2 == 2) {tsadd(t10,2,4); icosel = +1;}
else icosel = -1;
}
/* Set up f1180 */
if( ix == 1) d2_init = d2;
tau1 = d2_init + (t1_counter) / sw1;
if((f1180[A] == 'y') && (nli > 1.0))
{ tau1 += ( 1.0 / (2.0*sw1) ); if(tau1 < 0.2e-6) tau1 = 0.0; }
tau1 = tau1/2.0;
/* Set up f2180 */
if( ix == 1) d3_init = d3;
tau2 = d3_init + (t2_counter) / sw2;
if((f2180[A] == 'y') && (nli2 > 1.0))
{ tau2 += ( 1.0 / (2.0*sw2) ); if(tau2 < 0.2e-6) tau2 = 0.0; }
tau2 = tau2/2.0;
/* Calculate modifications to phases for States-TPPI acquisition */
if(t1_counter % 2)
{ tsadd(t3,2,4); tsadd(t12,2,4); }
if(t2_counter % 2)
{ tsadd(t8,2,4); tsadd(t12,2,4); }
/* BEGIN PULSE SEQUENCE */
status(A);
delay(d1);
rcvroff();
obspower(tpwr);
decpower(pwClvl);
dec2power(pwNlvl);
decpwrf(rf0);
obsoffset(tof);
txphase(zero);
delay(1.0e-5);
if (TROSY[A] == 'n')
dec2rgpulse(pwN, zero, 0.0, 0.0); /*destroy N15 and C13 magnetization*/
decrgpulse(pwC, zero, 0.0, 0.0);
zgradpulse(gzlvl0, 0.5e-3);
delay(1.0e-4);
if (TROSY[A] == 'n')
dec2rgpulse(pwN, one, 0.0, 0.0);
decrgpulse(pwC, zero, 0.0, 0.0);
zgradpulse(0.7*gzlvl0, 0.5e-3);
delay(5.0e-4);
rgpulse(pw,zero,0.0,0.0); /* 1H pulse excitation */
dec2phase(zero);
zgradpulse(gzlvl0, gt0);
delay(lambda - gt0);
sim3pulse(2.0*pw, 0.0, 2.0*pwN, zero, zero, zero, 0.0, 0.0);
txphase(one);
zgradpulse(gzlvl0, gt0);
delay(lambda - gt0);
rgpulse(pw, one, 0.0, 0.0);
if (tpwrsf < 4095.0)
{obspwrf(tpwrsf); tpwrs=tpwrs+6.0;}
obspower(tpwrs);
if (TROSY[A]=='y')
{txphase(two);
shaped_pulse("H2Osinc", pwHs, two, 5.0e-4, 0.0);
obspower(tpwr); obspwrf(4095.0);
zgradpulse(gzlvl3, gt3);
delay(2.0e-4);
dec2rgpulse(pwN, zero, 0.0, 0.0);
delay(0.5*kappa - 2.0*pw);
rgpulse(2.0*pw, two, 0.0, 0.0);
decphase(zero);
dec2phase(zero);
decpwrf(rf8);
delay(timeTN - 0.5*kappa - WFG3_START_DELAY);
}
else
{txphase(zero);
shaped_pulse("H2Osinc", pwHs, zero, 5.0e-4, 0.0);
obspower(tpwrd); obspwrf(4095.0);
zgradpulse(gzlvl3, gt3);
delay(2.0e-4);
dec2rgpulse(pwN, zero, 0.0, 0.0);
txphase(one);
delay(kappa - pwHd - 2.0e-6 - PRG_START_DELAY);
rgpulse(pwHd,one,0.0,0.0);
txphase(zero);
delay(2.0e-6);
obsprgon("waltz16", pwHd, 90.0); /* PRG_START_DELAY */
xmtron();
decphase(zero);
dec2phase(zero);
decpwrf(rf8);
delay(timeTN - kappa - WFG3_START_DELAY);
}
/* WFG3_START_DELAY */
sim3shaped_pulse("", "offC8", "", 0.0, pwC8, 2.0*pwN, zero, zero, zero,
0.0, 0.0);
decphase(t3);
decpwrf(rf6);
delay(timeTN);
dec2rgpulse(pwN, zero, 0.0, 0.0);
if (TROSY[A]=='n')
{xmtroff();
obsprgoff();
rgpulse(pwHd,three,2.0e-6,0.0);}
zgradpulse(gzlvl3, gt3);
delay(2.0e-4);
decshaped_pulse("offC6", pwC6, t3, 0.0, 0.0);
decphase(zero);
/* xxxxxxxxxxxxxxxxxxxxxx 13CO EVOLUTION xxxxxxxxxxxxxxxxxx */
if ((nli>1.0) && (tau1>0.0)) /* total 13C evolution equals d2 exactly */
{ /* 13C evolution during pwC6 is at 60% rate */
decpwrf(rf3);
if(tau1 - 0.6*pwC6 - WFG3_START_DELAY - 0.5*pwZ > 0.0)
{
delay(tau1 - 0.6*pwC6 - WFG3_START_DELAY - 0.5*pwZ);
/* WFG3_START_DELAY */
sim3shaped_pulse("", "offC3", "", 0.0, pwC3a, 2.0*pwN, zero, zero, zero,
0.0, 0.0);
initval(phshift3, v3);
decstepsize(1.0);
dcplrphase(v3); /* SAPS_DELAY */
delay(tau1 - 0.6*pwC6 - SAPS_DELAY - 0.5*pwZ- WFG_START_DELAY - 2.0e-6);
}
else
{
initval(180.0, v3);
decstepsize(1.0);
dcplrphase(v3); /* SAPS_DELAY */
delay(2.0*tau1 - 2.0*0.6*pwC6 - SAPS_DELAY - WFG_START_DELAY - 2.0e-6);
}
}
else if ((nli==1.0) && (pwC3==1.0e-6)) /* 13CO evolution for dof calib. */
{
decpwrf(rf8);
delay((1.0/(dfrq*80.0)) + 2.0e-6); /* WFG_START_DELAY */
decshaped_pulse("offC8", pwC8, zero, 0.0, 0.0);
}
else if (nli==1.0) /* special 1D check of pwC3 phase enabled when nli=1 */
{
decpwrf(rf3);
delay(10.0e-6 + SAPS_DELAY + 0.5*pwZ1 + WFG_START_DELAY);
/* WFG3_START_DELAY */
sim3shaped_pulse("", "offC3", "", 0.0, pwC3, 2.0*pwN, zero, zero, zero,
2.0e-6 , 0.0);
initval(phshift3, v3);
decstepsize(1.0);
dcplrphase(v3); /* SAPS_DELAY */
delay(10.0e-6 + WFG3_START_DELAY + 0.5*pwZ1);
}
else /* 13CO evolution refocused for 1st increment, or when nli=0 */
{
decpwrf(rf8);
delay(12.0e-6); /* WFG_START_DELAY */
decshaped_pulse("offC8", pwC8, zero, 0.0, 0.0);
delay(10.0e-6);
}
decphase(t5);
decpwrf(rf6);
delay(2.0e-6); /* WFG_START_DELAY */
decshaped_pulse("offC6", pwC6, t5, 0.0, 0.0);
/* xxxxxxxxxxxxxxxxxx OPTIONS FOR N15 EVOLUTION xxxxxxxxxxxxxxxxxxxxx */
dec2phase(t8);
zgradpulse(gzlvl4, gt4);
txphase(one);
dcplrphase(zero);
delay(2.0e-4);
if (TROSY[A]=='n')
{rgpulse(pwHd,one,0.0,0.0);
txphase(zero);
delay(2.0e-6);
obsprgon("waltz16", pwHd, 90.0);
xmtron();}
dec2rgpulse(pwN, t8, 0.0, 0.0);
decphase(zero);
dec2phase(t9);
decpwrf(rf8);
delay(timeTN - WFG3_START_DELAY - tau2);
/* WFG3_START_DELAY */
sim3shaped_pulse("", "offC8", "", 0.0, pwC8, 2.0*pwN, zero, zero, t9,
0.0, 0.0);
dec2phase(t10);
decpwrf(rf3);
if (TROSY[A]=='y')
{ if (tau2 > gt1 + 2.0*GRADIENT_DELAY + 1.5e-4 + pwHs)
{
txphase(three);
delay(timeTN - pwC3a - WFG_START_DELAY); /* WFG_START_DELAY */
decshaped_pulse("offC3", pwC3a, zero, 0.0, 0.0);
delay(tau2 - gt1 - 2.0*GRADIENT_DELAY - 1.5e-4 - pwHs);
if (mag_flg[A]=='y') magradpulse(icosel*gzcal*gzlvl1, gt1);
else zgradpulse(icosel*gzlvl1, gt1); /* 2.0*GRADIENT_DELAY */
obspower(tpwrs);
if (tpwrsf<4095.0)
{obspwrf(tpwrsf); /* POWER_DELAY */
delay(1.0e-4 - POWER_DELAY - PWRF_DELAY);}
else
delay(1.0e-4 - POWER_DELAY);
shaped_pulse("H2Osinc", pwHs, three, 0.0, 0.0);
txphase(t4);
obspower(tpwr);
if (tpwrsf<4095.0)
{obspwrf(4095.0); /* POWER_DELAY */
delay(0.50e-4 - POWER_DELAY - PWRF_DELAY);}
else
delay(0.50e-4 - POWER_DELAY);
}
else if (tau2 > pwHs + 0.5e-4)
{
txphase(three);
delay(timeTN-pwC3a-WFG_START_DELAY-gt1-2.0*GRADIENT_DELAY-1.0e-4);
if (mag_flg[A]=='y') magradpulse(icosel*gzcal*gzlvl1, gt1);
else zgradpulse(icosel*gzlvl1, gt1); /* 2.0*GRADIENT_DELAY */
obspower(tpwrs);
if (tpwrsf<4095.0)
{obspwrf(tpwrsf); /* POWER_DELAY */
delay(1.0e-4 - POWER_DELAY - PWRF_DELAY);}
else
delay(1.0e-4 - POWER_DELAY);
decshaped_pulse("offC3", pwC3a, zero, 0.0, 0.0);
delay(tau2 - pwHs - 0.5e-4);
shaped_pulse("H2Osinc", pwHs, three, 0.0, 0.0);
txphase(t4);
obspower(tpwr);
if (tpwrsf<4095.0)
{obspwrf(4095.0); /* POWER_DELAY */
delay(0.50e-4 - POWER_DELAY - PWRF_DELAY);}
else
delay(0.50e-4 - POWER_DELAY);
}
else
{
txphase(three);
delay(timeTN - pwC3a - WFG_START_DELAY - gt1 - 2.0*GRADIENT_DELAY
- 1.5e-4 - pwHs);
if (mag_flg[A]=='y') magradpulse(icosel*gzcal*gzlvl1, gt1);
else zgradpulse(icosel*gzlvl1, gt1); /* 2.0*GRADIENT_DELAY */
obspower(tpwrs);
if (tpwrsf<4095.0)
{obspwrf(tpwrsf); /* POWER_DELAY */
delay(1.0e-4 - POWER_DELAY - PWRF_DELAY);}
else
delay(1.0e-4 - POWER_DELAY);
shaped_pulse("H2Osinc", pwHs, three, 0.0, 0.0);
txphase(t4);
decshaped_pulse("offC3", pwC3a, zero, 0.0, 0.0);
delay(tau2);
obspower(tpwr);
if (tpwrsf<4095.0)
{obspwrf(4095.0); /* POWER_DELAY */
delay(0.50e-4 - POWER_DELAY - PWRF_DELAY);}
else
delay(0.50e-4 - POWER_DELAY);
}
}
else
{
if (tau2 > kappa)
{
delay(timeTN - pwC3a - WFG_START_DELAY); /* WFG_START_DELAY */
decshaped_pulse("offC3", pwC3a, zero, 0.0, 0.0);
delay(tau2 - kappa - PRG_STOP_DELAY - pwHd - 2.0e-6);
xmtroff();
obsprgoff(); /* PRG_STOP_DELAY */
rgpulse(pwHd,three,2.0e-6,0.0);
txphase(t4);
delay(kappa - gt1 - 2.0*GRADIENT_DELAY - 1.0e-4);
if (mag_flg[A]=='y') magradpulse(icosel*gzcal*gzlvl1, gt1);
else zgradpulse(icosel*gzlvl1, gt1); /* 2.0*GRADIENT_DELAY */
obspower(tpwr); /* POWER_DELAY */
delay(1.0e-4 - POWER_DELAY);
}
else if (tau2 > (kappa - pwC3a - WFG_START_DELAY))
{
delay(timeTN + tau2 - kappa - PRG_STOP_DELAY - pwHd - 2.0e-6);
xmtroff();
obsprgoff(); /* PRG_STOP_DELAY */
rgpulse(pwHd,three,2.0e-6,0.0);
txphase(t4); /* WFG_START_DELAY */
decshaped_pulse("offC3", pwC3a, zero, 0.0, 0.0);
delay(kappa -pwC3a -WFG_START_DELAY -gt1 -2.0*GRADIENT_DELAY -1.0e-4);
if (mag_flg[A]=='y') magradpulse(icosel*gzcal*gzlvl1, gt1);
else zgradpulse(icosel*gzlvl1, gt1); /* 2.0*GRADIENT_DELAY */
obspower(tpwr); /* POWER_DELAY */
delay(1.0e-4 - POWER_DELAY);
}
else if (tau2 > gt1 + 2.0*GRADIENT_DELAY + 1.0e-4)
{
delay(timeTN + tau2 - kappa - PRG_STOP_DELAY - pwHd - 2.0e-6);
xmtroff();
obsprgoff(); /* PRG_STOP_DELAY */
rgpulse(pwHd,three,2.0e-6,0.0);
txphase(t4);
delay(kappa - tau2 - pwC3a - WFG_START_DELAY); /* WFG_START_DELAY */
decshaped_pulse("offC3", pwC3a, zero, 0.0, 0.0);
delay(tau2 - gt1 - 2.0*GRADIENT_DELAY - 1.0e-4);
if (mag_flg[A]=='y') magradpulse(icosel*gzcal*gzlvl1, gt1);
else zgradpulse(icosel*gzlvl1, gt1); /* 2.0*GRADIENT_DELAY */
obspower(tpwr); /* POWER_DELAY */
delay(1.0e-4 - POWER_DELAY);
}
else
{
delay(timeTN + tau2 - kappa - PRG_STOP_DELAY - pwHd - 2.0e-6);
xmtroff();
obsprgoff(); /* PRG_STOP_DELAY */
rgpulse(pwHd,three,2.0e-6,0.0);
txphase(t4);
delay(kappa-tau2-pwC3a-WFG_START_DELAY-gt1-2.0*GRADIENT_DELAY-1.0e-4);
if (mag_flg[A]=='y') magradpulse(icosel*gzcal*gzlvl1, gt1);
else zgradpulse(icosel*gzlvl1, gt1); /* 2.0*GRADIENT_DELAY */
obspower(tpwr); /* POWER_DELAY */
delay(1.0e-4 - POWER_DELAY); /* WFG_START_DELAY */
decshaped_pulse("offC3", pwC3a, zero, 0.0, 0.0);
delay(tau2);
}
}
/* xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx */
if (TROSY[A]=='y') rgpulse(pw, t4, 0.0, 0.0);
else sim3pulse(pw, 0.0, pwN, t4, zero, t10, 0.0, 0.0);
txphase(zero);
dec2phase(zero);
zgradpulse(gzlvl5, gt5);
if (TROSY[A]=='y') delay(lambda - 0.65*(pw + pwN) - gt5);
else delay(lambda - 1.3*pwN - gt5);
sim3pulse(2.0*pw, 0.0, 2.0*pwN, zero, zero, zero, 0.0, 0.0);
zgradpulse(gzlvl5, gt5);
txphase(one);
dec2phase(t11);
delay(lambda - 1.3*pwN - gt5);
sim3pulse(pw, 0.0, pwN, one, zero, t11, 0.0, 0.0);
txphase(zero);
dec2phase(zero);
zgradpulse(gzlvl6, gt5);
delay(lambda - 1.3*pwN - gt5);
sim3pulse(2.0*pw, 0.0, 2.0*pwN, zero, zero, zero, 0.0, 0.0);
dec2phase(t10);
zgradpulse(gzlvl6, gt5);
if (TROSY[A]=='y') delay(lambda - 1.6*pwN - gt5);
else delay(lambda - 0.65*pwN - gt5);
if (TROSY[A]=='y') dec2rgpulse(pwN, t10, 0.0, 0.0);
else rgpulse(pw, zero, 0.0, 0.0);
delay((gt1/10.0) + 1.0e-4 +gstab - 0.5*pw + 2.0*GRADIENT_DELAY + POWER_DELAY);
rgpulse(2.0*pw, zero, 0.0,0.0);
dec2power(dpwr2); /* POWER_DELAY */
if (mag_flg[A] == 'y') magradpulse(gzcal*gzlvl2, gt1/10.0);
else zgradpulse(gzlvl2, gt1/10.0); /* 2.0*GRADIENT_DELAY */
delay(gstab);
rcvron();
statusdelay(C,1.0e-4 );
setreceiver(t12);
}
pulsesequence()
{
/* DECLARE AND LOAD VARIABLES */
char f1180[MAXSTR], /* Flag to start t1 @ halfdwell */
f2180[MAXSTR], /* Flag to start t2 @ halfdwell */
mag_flg[MAXSTR]; /* magic-angle coherence transfer gradients */
int icosel, /* used to get n and p type */
t1_counter, /* used for states tppi in t1 */
t2_counter, /* used for states tppi in t2 */
ni2 = getval("ni2");
double tau1, /* t1 delay */
tau2, /* t2 delay */
timeTN = getval("timeTN"), /* constant time for 15N evolution */
kappa = 5.4e-3,
lambda = 2.4e-3,
pwClvl = getval("pwClvl"), /* coarse power for C13 pulse */
pwC = getval("pwC"), /* C13 90 degree pulse length at pwClvl */
rf0, /* maximum fine power when using pwC pulses */
/* the following pulse lengths for SLP pulses are automatically calculated */
/* by the macro "biocal". SLP pulse shapes, "offC3" etc are called */
/* directly from your shapelib. */
pwC3 = getval("pwC3"), /*180 degree pulse at Ca(56ppm) null at CO(174ppm) */
pwC3a, /* pwC3a=pwC3, but not set to zero when pwC3=0 */
phshift3, /* phase shift induced on CO by pwC3 ("offC3") pulse */
pwZ, /* the largest of pwC3 and 2.0*pwN */
pwC6, /* 90 degree selective sinc pulse on CO(174ppm) */
pwC8, /* 180 degree selective sinc pulse on CO(174ppm) */
rf3, /* fine power for the pwC3 ("offC3") pulse */
rf6, /* fine power for the pwC6 ("offC6") pulse */
rf8, /* fine power for the pwC8 ("offC8") pulse */
bw, ofs, ppm, /* bandwidth, offset, ppm - temporary Pbox parameters */
compH = getval("compH"), /* adjustment for C13 amplifier compression */
compC = getval("compC"), /* adjustment for C13 amplifier compression */
pwHs = getval("pwHs"), /* H1 90 degree pulse length at tpwrs */
tpwrsf = getval("tpwrsf"), /* fine power for pwHs pulse */
tpwrs, /* power for the pwHs ("H2Osinc") pulse */
pwHd, /* H1 90 degree pulse length at tpwrd */
tpwrd, /* rf for WALTZ decoupling */
waltzB1 = getval("waltzB1"), /* waltz16 field strength (in Hz) */
pwNlvl = getval("pwNlvl"), /* power for N15 pulses */
pwN = getval("pwN"), /* N15 90 degree pulse length at pwNlvl */
sw1 = getval("sw1"),
sw2 = getval("sw2"),
gt1 = getval("gt1"), /* coherence pathway gradients */
gzcal = getval("gzcal"), /* g/cm to DAC conversion factor */
gzlvl1 = getval("gzlvl1"),
gzlvl2 = getval("gzlvl2"),
gt0 = getval("gt0"), /* other gradients */
gt3 = getval("gt3"),
gt4 = getval("gt4"),
gt5 = getval("gt5"),
gzlvl0 = getval("gzlvl0"),
gzlvl3 = getval("gzlvl3"),
gzlvl4 = getval("gzlvl4"),
gzlvl5 = getval("gzlvl5"),
gzlvl6 = getval("gzlvl6");
getstr("f1180",f1180);
getstr("f2180",f2180);
getstr("mag_flg",mag_flg);
/* LOAD PHASE TABLE */
settable(t3,2,phi3);
settable(t4,1,phx);
settable(t5,4,phi5);
{settable(t8,1,phx);
settable(t9,8,phi9);
settable(t10,1,phx);
settable(t11,1,phy);
settable(t12,4,rec);}
/* INITIALIZE VARIABLES */
if( dpwrf < 4095 )
{ printf("reset dpwrf=4095 and recalibrate C13 90 degree pulse");
psg_abort(1); }
/* maximum fine power for pwC pulses */
rf0 = 4095.0;
setautocal(); /* activate auto-calibration */
if (autocal[0] == 'n')
{
/* offC3 - 180 degree pulse on Ca, null at CO 118ppm away */
pwC3a = getval("pwC3a");
rf3 = (compC*4095.0*pwC*2.0)/pwC3a;
rf3 = (int) (rf3 + 0.5);
/* 90 degree one-lobe sinc pulse on CO, null at Ca 118ppm away */
pwC6 = getval("pwC6");
rf6 = (compC*4095.0*pwC*1.69)/pwC6; /* needs 1.69 times more */
rf6 = (int) (rf6 + 0.5); /* power than a square pulse */
/* 180 degree one-lobe sinc pulse on CO, null at Ca 118ppm away */
pwC8 = getval("pwC8");
rf8 = (compC*4095.0*pwC*2.0*1.65)/pwC8; /* needs 1.65 times more */
rf8 = (int) (rf8 + 0.5); /* power than a square pulse */
/* selective H20 one-lobe sinc pulse */
tpwrs = tpwr - 20.0*log10(pwHs/(compH*pw*1.69)); /* needs 1.69 times more */
tpwrs = (int) (tpwrs); /* power than a square pulse */
/* power level and pulse time for WALTZ 1H decoupling */
pwHd = 1/(4.0 * waltzB1) ; /* 7.5 kHz rf */
tpwrd = tpwr - 20.0*log10(pwHd/(compH*pw));
tpwrd = (int) (tpwrd + 0.5);
}
else /* if autocal = 'y'(yes), 'q'(quiet), 'r'(read) or 's'(semi) */
{
if(FIRST_FID) /* make shapes */
{
ppm = getval("dfrq");
bw = 118.0*ppm; ofs = -bw;
offC3 = pbox_make("offC3", "square180n", bw, ofs, compC*pwC, pwClvl);
offC6 = pbox_make("offC6", "sinc90n", bw, 0.0, compC*pwC, pwClvl);
offC8 = pbox_make("offC8", "sinc180n", bw, 0.0, compC*pwC, pwClvl);
H2Osinc = pbox_Rsh("H2Osinc", "sinc90", pwHs, 0.0, compH*pw, tpwr);
bw = 2.8*7500.0;
wz16 = pbox_Dcal("WALTZ16", 2.8*waltzB1, 0.0, compH*pw, tpwr);
ofs_check(H1ofs, C13ofs, N15ofs, H2ofs);
}
pwC3a = offC3.pw; rf3 = offC3.pwrf; /* set up parameters */
pwC6 = offC6.pw; rf6 = offC6.pwrf;
pwC8 = offC8.pw; rf8 = offC8.pwrf;
pwHs = H2Osinc.pw; tpwrs = H2Osinc.pwr-1.0; /* 1dB correction applied */
tpwrd = wz16.pwr; pwHd = 1.0/wz16.dmf;
}
if (tpwrsf < 4095.0) tpwrs = tpwrs + 6.0;
/* the pwC3 pulse at the middle of t1 */
if (pwC3a > 2.0*pwN) pwZ = pwC3a; else pwZ = 2.0*pwN;
phshift3=0.0;
if(pwC3 > 0) phshift3 = 48.0;
/* CHECK VALIDITY OF PARAMETER RANGES */
if ( 0.5*ni2*1/(sw2) > timeTN - pwC3a - WFG3_START_DELAY)
{ printf(" ni2 is too big. Make ni2 equal to %d or less.\n",
((int)((timeTN - WFG3_START_DELAY)*2.0*sw2))); psg_abort(1);}
if ( dm[A] == 'y' || dm[B] == 'y' || dm[C] == 'y' )
{ printf("incorrect dec1 decoupler flags! Should be 'nnn' "); psg_abort(1);}
if ( dm2[A] == 'y' || dm2[B] == 'y' )
{ printf("incorrect dec2 decoupler flags! Should be 'nny' "); psg_abort(1);}
if ( dpwr2 > 50 )
{ printf("dpwr2 too large! recheck value "); psg_abort(1);}
if ( pw > 50.0e-6 )
{ printf(" pw too long ! recheck value "); psg_abort(1);}
if ( (pwN > 100.0e-6) && (ni>1 || ni2>1))
{ printf(" pwN too long! recheck value "); psg_abort(1);}
/* PHASES AND INCREMENTED TIMES */
/* Phase incrementation for hypercomplex 2D data, States-Haberkorn element */
if (phase1 == 2) tsadd(t3,1,4);
{
if (phase2 == 2) {tsadd(t10,2,4); icosel = +1;}
else icosel = -1;
}
/* Set up f1180 */
tau1 = d2;
if(f1180[A] == 'y')
{ tau1 += ( 1.0 / (2.0*sw1) ); if(tau1 < 0.2e-6) tau1 = 0.0; }
tau1 = tau1/2.0;
/* Set up f2180 */
tau2 = d3;
if(f2180[A] == 'y')
{ tau2 += ( 1.0 / (2.0*sw2) ); if(tau2 < 0.2e-6) tau2 = 0.0; }
tau2 = tau2/2.0;
/* Calculate modifications to phases for States-TPPI acquisition */
if( ix == 1) d2_init = d2;
t1_counter = (int) ( (d2-d2_init)*sw1 + 0.5 );
if(t1_counter % 2)
{ tsadd(t3,2,4); tsadd(t12,2,4); }
if( ix == 1) d3_init = d3;
t2_counter = (int) ( (d3-d3_init)*sw2 + 0.5 );
if(t2_counter % 2)
{ tsadd(t8,2,4); tsadd(t12,2,4); }
/* BEGIN PULSE SEQUENCE */
status(A);
delay(d1);
rcvroff();
obspower(tpwr);
decpower(pwClvl);
dec2power(pwNlvl);
decpwrf(rf0);
obsoffset(tof);
txphase(zero);
delay(1.0e-5);
dec2rgpulse(pwN, zero, 0.0, 0.0); /*destroy N15 and C13 magnetization*/
decrgpulse(pwC, zero, 0.0, 0.0);
zgradpulse(gzlvl0, 0.5e-3);
delay(1.0e-4);
dec2rgpulse(pwN, one, 0.0, 0.0);
decrgpulse(pwC, zero, 0.0, 0.0);
zgradpulse(0.7*gzlvl0, 0.5e-3);
delay(5.0e-4);
rgpulse(pw,zero,0.0,0.0); /* 1H pulse excitation */
dec2phase(zero);
zgradpulse(gzlvl0, gt0);
delay(lambda - gt0);
sim3pulse(2.0*pw, 0.0, 2.0*pwN, zero, zero, zero, 0.0, 0.0);
txphase(one);
zgradpulse(gzlvl0, gt0);
delay(lambda - gt0);
rgpulse(pw, one, 0.0, 0.0);
if (tpwrsf < 4095.0) obspwrf(tpwrsf);
obspower(tpwrs);
txphase(two);
shaped_pulse("H2Osinc", pwHs, two, 2.0e-6, 0.0);
obspower(tpwrd);
if (tpwrsf < 4095.0) obspwrf(4095.0);
zgradpulse(gzlvl3, gt3);
delay(2.0e-4);
dec2rgpulse(pwN, zero, 0.0, 0.0);
txphase(one);
delay(kappa - pwHd - 2.0e-6 - PRG_START_DELAY);
rgpulse(pwHd,one,0.0,0.0);
txphase(zero);
delay(2.0e-6);
obsprgon("waltz16", pwHd, 90.0); /* PRG_START_DELAY */
xmtron();
decphase(zero);
dec2phase(zero);
decpwrf(rf8);
delay(timeTN - kappa - WFG3_START_DELAY);
/* WFG3_START_DELAY */
sim3shaped_pulse("", "offC8", "", 0.0, pwC8, 2.0*pwN, zero, zero, zero,
0.0, 0.0);
decphase(t3);
decpwrf(rf6);
delay(timeTN);
dec2rgpulse(pwN, zero, 0.0, 0.0);
xmtroff();
obsprgoff();
rgpulse(pwHd,three,2.0e-6,0.0);
zgradpulse(gzlvl3, gt3);
delay(2.0e-4);
rgpulse(pwHd,one,0.0,0.0);
txphase(zero);
delay(2.0e-6);
obsprgon("waltz16", pwHd, 90.0); /* PRG_START_DELAY */
xmtron();
/* xxxxxxxxxxxxxxxxxxxxxx 13CO EVOLUTION xxxxxxxxxxxxxxxxxx */
decshaped_pulse("offC6", pwC6, t3, 1.0e-6, 0.0);
decphase(zero);
if((tau1 - 2.0*pwC6/3.14 - WFG3_START_DELAY - 0.5*pwZ - POWER_DELAY) > SAPS_DELAY)
{
decpwrf(rf3);
delay(tau1 - 2.0*pwC6/3.14 - WFG3_START_DELAY - 0.5*pwZ - POWER_DELAY);
sim3shaped_pulse("", "offC3", "", 0.0, pwC3a, 2.0*pwN, zero, zero, zero,0.0,0.0);
initval(phshift3, v3);
decstepsize(1.0);
dcplrphase(v3); /* SAPS_DELAY */
decpwrf(rf6);
decphase(t5);
delay(tau1 - 2.0*pwC6/3.14 - SAPS_DELAY - 0.5*pwZ- WFG3_START_DELAY - POWER_DELAY);
}
else
{
decpwrf(rf8);
decshaped_pulse("offC8", pwC8, zero, 2.0e-6, 0.0);
decpwrf(rf6);
decphase(t5);
delay(2.0e-6);
}
decshaped_pulse("offC6", pwC6, t5, 0.5e-6, 1.0e-6);
xmtroff();
obsprgoff();
rgpulse(pwHd,three,2.0e-6,0.0);
/* xxxxxxxxxxxxxxxxxx N15 EVOLUTION xxxxxxxxxxxxxxxxxxxxx */
dec2phase(t8);
zgradpulse(gzlvl4, gt4);
dcplrphase(zero);
obspower(tpwr);
delay(2.0e-4);
dec2rgpulse(pwN, t8, 0.0, 0.0);
decpwrf(rf3);
decphase(zero);
delay((timeTN - tau2 - pwC3a)/2.0);
decshaped_pulse("offC3", pwC3a, zero, 0.0, 0.0);
dec2phase(t9);
decpwrf(rf8);
delay((timeTN - tau2 - pwC3a)/2.0);
/* WFG3_START_DELAY */
/*
sim3shaped_pulse("", "offC8", "", 2.0*pw, pwC8, 2.0*pwN, zero, zero, t9,
0.0, 0.0);
*/
sim3shaped_pulse("", "offC8", "",0.0,pwC8,2.0*pwN,zero,zero,t9,0.0,0.0);
dec2phase(t10);
decpwrf(rf3);
delay((timeTN + tau2 - pwC3a)/2.0);
decshaped_pulse("offC3", pwC3a, zero, 0.0, 0.0);
delay((timeTN + tau2 - pwC3a)/2.0 - 2.75e-3 - 2.0*pw);
rgpulse(2.0*pw,zero, 0.0, 0.0);
if (mag_flg[A]=='y')
{
magradpulse(gzcal*gzlvl1, gt1);
}
else
{
zgradpulse(gzlvl1, gt1);
delay(4.0*GRADIENT_DELAY);
}
txphase(t4);
delay(2.75e-3 - gt1 - 6.0*GRADIENT_DELAY);
/* xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx */
sim3pulse(pw, 0.0, pwN, t4, zero, t10, 0.0, 0.0);
txphase(zero);
dec2phase(zero);
zgradpulse(gzlvl5, gt5);
delay(lambda - 1.3*pwN - gt5);
sim3pulse(2.0*pw, 0.0, 2.0*pwN, zero, zero, zero, 0.0, 0.0);
zgradpulse(gzlvl5, gt5);
txphase(one);
dec2phase(t11);
delay(lambda - 1.3*pwN - gt5);
sim3pulse(pw, 0.0, pwN, one, zero, t11, 0.0, 0.0);
txphase(zero);
dec2phase(zero);
zgradpulse(gzlvl6, gt5);
delay(lambda - 1.3*pwN - gt5);
sim3pulse(2.0*pw, 0.0, 2.0*pwN, zero, zero, zero, 0.0, 0.0);
zgradpulse(gzlvl6, gt5);
delay(lambda - 0.65*pwN - gt5);
rgpulse(pw, zero, 0.0, 0.0);
delay((gt1/10.0) + 1.0e-4 - 0.5*pw + 2.0*GRADIENT_DELAY + POWER_DELAY);
rgpulse(2.0*pw, zero, 0.0,0.0);
dec2power(dpwr2); /* POWER_DELAY */
if (mag_flg[A] == 'y') magradpulse(icosel*gzcal*gzlvl2, gt1/10.0);
else zgradpulse(icosel*gzlvl2, gt1/10.0); /* 2.0*GRADIENT_DELAY */
rcvron();
statusdelay(C,1.0e-4);
setreceiver(t12);
}
pulsesequence()
{
/* DECLARE AND LOAD VARIABLES */
char f1180[MAXSTR], /* Flag to start t1 @ halfdwell */
mag_flg[MAXSTR], /* magic-angle coherence transfer gradients */
f2180[MAXSTR], /* Flag to start t2 @ halfdwell */
wudec[MAXSTR], /* automatic low power C-13 WURST decoupling */
C13refoc[MAXSTR], /* adiabatic C13 pulse in middle of t1*/
NH2only[MAXSTR]; /* spectrum of only NH2 groups */
int icosel, /* used to get n and p type */
t1_counter, /* used for states tppi in t1 */
t2_counter, /* used for states tppi in t2 */
PRexp, /* projection-reconstruction flag */
ni2 = getval("ni2");
double csa, sna, tau1, tau2, /* t1 and t2 delays */
bw, ofs, ppm, nst, /* bandwidth, offset, ppm, # of steps */
mix = getval("mix"), /* NOESY mix time */
tNH = 1.0/(4.0*getval("JNH")), /* 1/4J N15 evolution delay */
pra = M_PI*getval("pra")/180.0, /* projection angle */
pwClvl = getval("pwClvl"), /* coarse power for C13 pulse */
pwC = getval("pwC"), /* C13 90 degree pulse length at pwClvl */
compC = getval("compC"), /* adjust for C13 amplifier compression */
pwC180 = 0.001, /* duration of C13 180 degree adiabatic pulse */
compH = getval("compH"), /* adjust for H1 amplifier compression */
tpwrsf = getval("tpwrsf"), /* fine power adjustment for flipback pulse */
pwHs = getval("pwHs"), /* H1 90 degree pulse length at tpwrs */
tpwrs = 0.0, /* power for the pwHs ("H2Osinc") pulse */
xdel = 2.0*GRADIENT_DELAY + POWER_DELAY, /* xtra delay */
pwNlvl = getval("pwNlvl"), /* power for N15 pulses */
pwN = getval("pwN"), /* N15 90 degree pulse length at pwNlvl */
sw1 = getval("sw1"),
sw2 = getval("sw2"),
gzcal=getval("gzcal"),
gt1 = getval("gt1"), /* coherence pathway gradients */
gzlvl1 = getval("gzlvl1"),
gzlvl2 = getval("gzlvl2"),
gt0 = getval("gt0"), /* other gradients */
gt3 = getval("gt3"),
gt4 = getval("gt4"),
gt5 = getval("gt5"),
gstab = getval("gstab"),
gzlvl0 = getval("gzlvl0"),
gzlvl3 = getval("gzlvl3"),
gzlvl6 = getval("gzlvl6"),
gzlvl4 = getval("gzlvl4"),
gzlvl5 = getval("gzlvl5");
getstr("f1180",f1180);
getstr("mag_flg",mag_flg);
getstr("f2180",f2180);
getstr("C13refoc",C13refoc);
getstr("NH2only",NH2only);
getstr("wudec",wudec);
/* LOAD PHASE TABLE */
settable(t1,2,phi1);
settable(t3,4,phi3);
settable(t9,16,phi9);
settable(t10,1,phi10);
settable(t11,8,rec);
/* MAKE PBOX SHAPES */
if((FIRST_FID) && ((C13refoc[A]=='y') || (wudec[A]=='y'))) /* call Pbox */
{
ppm = getval("dfrq"); ofs = 0.0; nst = 1000; /* nst - number of steps */
bw = pwC*compC;
if(bw > 0.0)
{
bw = 0.1/bw; /* maximum bandwidth */
bw = pwC180*bw*bw;
}
else
bw = 200.0*ppm;
if(C13refoc[A]=='y')
adC180 = pbox_makeA("adC180", "wurst2i", bw, pwC180, ofs, compC*pwC, pwClvl, nst);
if(wudec[A]=='y')
wuCdec_lr = pbox_Adec("wurstC_lr", "CAWURST", bw, 0.01, ofs, compC*pwC, pwClvl);
}
if(pwHs > 1.0e-5) /* selective H20 one-lobe sinc pulse */
{
if(FIRST_FID)
H2Osinc = pbox_Rsh("H2Osinc", "sinc90", pwHs, 0.0, compH*pw, tpwr);
tpwrs = H2Osinc.pwr;
pwHs = H2Osinc.pw;
}
/* CHECK VALIDITY OF PARAMETER RANGES */
if ((mix - gt4 - gt5) < 0.0 )
{ text_error("mix is too small. Make mix equal to %f or more.\n",(gt4 + gt5));
psg_abort(1); }
if((dm[A] == 'y' || dm[B] == 'y' || dm[C] == 'y' ))
{ text_error("incorrect dec1 decoupler flags! Should be 'nnn' "); psg_abort(1); }
if((dm2[A] == 'y' || dm2[B] == 'y'))
{ text_error("incorrect dec2 decoupler flags! Should be 'nny' "); psg_abort(1); }
if( dpwr2 > 50 )
{ text_error("don't fry the probe, DPWR2 too large! "); psg_abort(1); }
if( pw > 20.0e-6 )
{ text_error("dont fry the probe, pw too high ! "); psg_abort(1); }
if( pwN > 100.0e-6 )
{ text_error("dont fry the probe, pwN too high ! "); psg_abort(1); }
/* PHASES AND INCREMENTED TIMES */
/* Phase incrementation for hypercomplex 2D data, States-Haberkorn element */
if (phase1 == 2)
tsadd(t1,1,4);
if (phase2 == 1)
{ tsadd(t10,2,4); icosel = 1; }
else icosel = -1;
/* set up Projection-Reconstruction experiment */
PRexp = 0;
if((pra > 0.0) && (pra < 90.0)) PRexp = 1;
csa = cos(pra);
sna = sin(pra);
if(PRexp)
{
tau1 = d2*csa;
tau2 = d2*sna;
}
else
{
tau1 = d2;
tau2 = d3;
}
if((f1180[A] == 'y') && (ni > 1.0)) /* Set up f1180, tau1 = t1 */
tau1 += 1.0/(2.0*sw1);
tau1 = tau1/2.0;
if((PRexp == 0) && (f2180[A] == 'y') && (ni2 > 1.0)) /* Set up f2180 tau2 = t2 */
tau2 += 1.0/(2.0*sw2);
tau2 = tau2/2.0;
if(tau1 < 0.2e-6) tau1 = 0.0;
if(tau2 < 0.2e-6) tau2 = 0.0;
/* Calculate modifications to phases for States-TPPI acquisition */
if( ix == 1) d2_init = d2;
t1_counter = (int) ( (d2-d2_init)*sw1 + 0.5 );
if(t1_counter % 2) { tsadd(t1,2,4); tsadd(t11,2,4); }
if( ix == 1) d3_init = d3;
t2_counter = (int) ( (d3-d3_init)*sw2 + 0.5 );
if(t2_counter % 2) { tsadd(t3,2,4); tsadd(t11,2,4); }
/* Correct inverted signals for NH2 only spectra */
if(NH2only[A]=='y') { tsadd(t3,2,4); }
if(wudec[A]=='y') xdel = xdel + POWER_DELAY + PWRF_DELAY + PRG_START_DELAY;
/* BEGIN PULSE SEQUENCE */
status(A);
obspower(tpwr);
decpower(pwClvl);
dec2power(pwNlvl);
decpwrf(4095.0);
txphase(zero);
dec2phase(zero);
delay(d1);
dec2rgpulse(pwN, zero, 0.0, 0.0); /* destroy N15 and C13 magnetization */
decrgpulse(pwC, zero, 0.0, 0.0);
zgradpulse(gzlvl0, 0.5e-3);
delay(1.0e-4);
dec2rgpulse(pwN, one, 0.0, 0.0);
decrgpulse(pwC, one, 0.0, 0.0);
zgradpulse(0.7*gzlvl0, 0.5e-3);
txphase(t1);
decphase(zero);
dec2phase(zero);
delay(5.0e-4);
rcvroff();
rgpulse(pw, t1, 50.0e-6, 0.0); /* 1H pulse excitation */
txphase(zero);
if (tau1 > (2.0*GRADIENT_DELAY + pwN + 0.64*pw + 5.0*SAPS_DELAY))
{
if (tau1>0.002)
{
zgradpulse(gzlvl6, 0.8*(tau1 - 2.0*GRADIENT_DELAY - pwN - 0.64*pw));
delay(0.2*(tau1 - 2.0*GRADIENT_DELAY - pwN - 0.64*pw) - SAPS_DELAY);
}
else
{
delay(tau1-pwN-0.64*pw);
}
if (C13refoc[A]=='y')
sim3pulse(0.0, 2.0*pwC, 2.0*pwN, zero, zero, zero, 0.0, 0.0);
else
dec2rgpulse(2.0*pwN, zero, 0.0, 0.0);
if (tau1>0.002)
{
zgradpulse(-1.0*gzlvl6, 0.8*(tau1 - 2.0*GRADIENT_DELAY - pwN - 0.64*pw));
delay(0.2*(tau1 - 2.0*GRADIENT_DELAY - pwN - 0.64*pw) - SAPS_DELAY);
}
else
{
delay(tau1-pwN-0.64*pw);
}
}
else if (tau1 > (0.64*pw + 0.5*SAPS_DELAY))
delay(2.0*tau1 - 2.0*0.64*pw - SAPS_DELAY );
rgpulse(pw, zero, 0.0, 0.0);
delay(mix - gt4 - gt5 -gstab -200.0e-6);
dec2rgpulse(pwN, zero, 0.0, 0.0);
zgradpulse(gzlvl4, gt4);
delay(gstab);
rgpulse(pw, zero, 200.0e-6,0.0); /* HSQC begins */
dec2phase(zero);
zgradpulse(gzlvl0, gt0);
delay(tNH - gt0);
sim3pulse(2.0*pw, 0.0, 2.0*pwN, zero, zero, zero, 0.0, 0.0);
txphase(one);
zgradpulse(gzlvl0, gt0);
delay(tNH - gt0);
rgpulse(pw, one, 0.0, 0.0);
txphase(two);
if (tpwrsf<4095.0)
{
obspower(tpwrs+6.0); obspwrf(tpwrsf);
shaped_pulse("H2Osinc", pwHs, two, 5.0e-4, 0.0);
obspower(tpwr); obspwrf(4095.0);
}
else
{
obspower(tpwrs);
shaped_pulse("H2Osinc", pwHs, two, 5.0e-4, 0.0);
obspower(tpwr);
}
zgradpulse(gzlvl3, gt3);
dec2phase(t3);
decpwrf(adC180.pwrf);
delay(2.0e-4);
dec2rgpulse(pwN, t3, 0.0, 0.0);
decphase(zero);
/* xxxxxxxxxxxxxxxxxx OPTIONS FOR N15 EVOLUTION xxxxxxxxxxxxxxxxxxxxx */
txphase(zero);
dec2phase(t9);
if (NH2only[A]=='y')
{
delay(tau2);
/* optional sech/tanh pulse in middle of t2 */
if (C13refoc[A]=='y') /* WFG_START_DELAY */
{ decshaped_pulse("adC180", pwC180, zero, 0.0, 0.0);
delay(tNH - 1.0e-3 - WFG_START_DELAY - 2.0*pw); }
else
{ delay(tNH - 2.0*pw);}
rgpulse(2.0*pw, zero, 0.0, 0.0);
if (tNH < gt1 + 1.99e-4) delay(gt1 + 1.99e-4 - tNH);
delay(tau2);
dec2rgpulse(2.0*pwN, t9, 0.0, 0.0);
if (mag_flg[A] == 'y')
magradpulse(gzcal*gzlvl1, gt1);
else
zgradpulse(gzlvl1, gt1);
dec2phase(t10);
if (tNH > gt1 + 1.99e-4) delay(tNH - gt1 - 2.0*GRADIENT_DELAY);
else delay(1.99e-4 - 2.0*GRADIENT_DELAY);
}
else
{
if ( (C13refoc[A]=='y') && (tau2 > 0.5e-3 + WFG2_START_DELAY) )
{ delay(tau2 - 0.5e-3 - WFG2_START_DELAY); /* WFG2_START_DELAY */
simshaped_pulse("", "adC180", 2.0*pw, pwC180, zero, zero, 0.0, 0.0);
delay(tau2 - 0.5e-3);
delay(gt1 + 2.0e-4);}
else
{ delay(tau2);
rgpulse(2.0*pw, zero, 0.0, 0.0);
delay(gt1 + 2.0e-4 - 2.0*pw);
delay(tau2); }
dec2rgpulse(2.0*pwN, t9, 0.0, 0.0);
if(mag_flg[A] == 'y')
magradpulse(gzcal*gzlvl1, gt1);
else
zgradpulse(gzlvl1, gt1);
dec2phase(t10);
delay(2.0e-4 - 2.0*GRADIENT_DELAY);
}
/* xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx */
sim3pulse(pw, 0.0, pwN, zero, zero, t10, 0.0, 0.0);
dec2phase(zero);
zgradpulse(gzlvl5, gt5);
delay(tNH - 1.5*pwN - gt5);
sim3pulse(2.0*pw, 0.0, 2.0*pwN, zero, zero, zero, 0.0, 0.0);
zgradpulse(gzlvl5, gt5);
txphase(one);
dec2phase(one);
delay(tNH - 1.5*pwN - gt5);
sim3pulse(pw, 0.0, pwN, one, zero, one, 0.0, 0.0);
txphase(zero);
dec2phase(zero);
zgradpulse(1.5*gzlvl5, gt5);
delay(tNH - 1.5*pwN - gt5);
sim3pulse(2.0*pw, 0.0, 2.0*pwN, zero, zero, zero, 0.0, 0.0);
zgradpulse(1.5*gzlvl5, gt5);
delay(tNH - pwN - 0.5*pw - gt5);
rgpulse(pw, zero, 0.0, 0.0);
delay((gt1/10.0) + 1.0e-4+ gstab - 0.5*pw + xdel);
rgpulse(2.0*pw, zero, 0.0, rof1);
dec2power(dpwr2); /* POWER_DELAY */
if (mag_flg[A] == 'y')
magradpulse(icosel*gzcal*gzlvl2, gt1/10.0);
else
zgradpulse(icosel*gzlvl2, gt1/10.0);
delay(gstab + rof2);
setreceiver(t11);
rcvron();
statusdelay(C,1.0e-4-rof1);
if(wudec[A]=='y')
{
decpwrf(4095.0);
decpower(wuCdec_lr.pwr+3.0);
decprgon("wurstC_lr", 1.0/wuCdec_lr.dmf, wuCdec_lr.dres);
decon();
}
}
pulsesequence()
{
/* DECLARE AND LOAD VARIABLES */
char f1180[MAXSTR], /* Flag to start t1 @ halfdwell */
f2180[MAXSTR], /* Flag to start t2 @ halfdwell */
mag_flg[MAXSTR], /* magic-angle coherence transfer gradients */
TROSY[MAXSTR], /* do TROSY on N15 and H1 */
h1dec[MAXSTR], /* Flag to waltz-decouple of H1 for t1*/
CT_c[MAXSTR]; /* Flag to constant time evolution for C13*/
int icosel, /* used to get n and p type */
t1_counter, /* used for states tppi in t1 */
t2_counter, /* used for states tppi in t2 */
ni2 = getval("ni2");
double tau1, /* t1 delay */
tau2, /* t2 delay */
timeTC = getval("timeTC"), /* constant time for 13C evolution */
timeTN = getval("timeTN"), /* constant time for 15N evolution */
kappa = 5.4e-3,
lambda = 2.4e-3,
taud = 1.7e-3,
pwClvl = getval("pwClvl"), /* coarse power for C13 pulse */
pwC = getval("pwC"), /* C13 90 degree pulse length at pwClvl */
rf0, /* maximum fine power when using pwC pulses */
/* 90 degree pulse at Ca (56ppm), first off-resonance null at CO (174ppm) */
pwC1, /* 90 degree pulse length on C13 at rf1 */
rf1, /* fine power for 4.7 kHz rf for 600MHz magnet */
/* 180 degree pulse at Ca (56ppm), first off-resonance null at CO(174ppm) */
pwC2, /* 180 degree pulse length at rf2 */
rf2, /* fine power for 10.5 kHz rf for 600MHz magnet */
/* the following pulse lengths for SLP pulses are automatically calculated */
/* by the macro "BPcal". SLP pulse shapes, "offC9" etc are called */
/* directly from your shapelib. */
pwC9 = getval("pwC9"), /*180 degree pulse at CO(174ppm) null at Ca(56ppm) */
pwC9a = getval("pwC9a"), /* pwC9a=pwC9, but not set to zero when pwC9=0 */
phshift9, /* phase shift induced on Ca by pwC9 ("offC9") pulse */
pwZ, /* the largest of pwC9 and 2.0*pwN */
pwZ1, /* the larger of pwC9a and 2.0*pwN for 1D experiments */
rf9, /* fine power for the pwC9 ("offC9") pulse */
compH = getval("compH"), /* adjustment for C13 amplifier compression */
compC = getval("compC"), /* adjustment for C13 amplifier compression */
pwHs = getval("pwHs"), /* H1 90 degree pulse length at tpwrs */
tpwrs, /* power for the pwHs ("H2Osinc") pulse */
pwHd, /* H1 90 degree pulse length at tpwrd */
tpwrd, /* rf for WALTZ decoupling */
waltzB1 = getval("waltzB1"), /* waltz16 field strength (in Hz) */
pwNlvl = getval("pwNlvl"), /* power for N15 pulses */
pwN = getval("pwN"), /* N15 90 degree pulse length at pwNlvl */
sw1 = getval("sw1"),
sw2 = getval("sw2"),
gt1 = getval("gt1"), /* coherence pathway gradients */
gzcal = getval("gzcal"), /* g/cm to DAC conversion factor */
gzlvl1 = getval("gzlvl1"),
gzlvl2 = getval("gzlvl2"),
gt0 = getval("gt0"), /* other gradients */
gt3 = getval("gt3"),
gt4 = getval("gt4"),
gt5 = getval("gt5"),
gt7 = getval("gt7"),
gstab = getval("gstab"),
gzlvl0 = getval("gzlvl0"),
gzlvl3 = getval("gzlvl3"),
gzlvl4 = getval("gzlvl4"),
gzlvl5 = getval("gzlvl5"),
gzlvl6 = getval("gzlvl6"),
gzlvl7 = getval("gzlvl7");
getstr("f1180",f1180);
getstr("f2180",f2180);
getstr("mag_flg",mag_flg);
getstr("TROSY",TROSY);
getstr("h1dec",h1dec);
getstr("CT_c",CT_c);
/* LOAD PHASE TABLE */
settable(t3,2,phi3);
settable(t4,1,phx);
settable(t5,4,phi5);
if (TROSY[A]=='y')
{settable(t8,1,phy);
settable(t9,1,phx);
settable(t10,1,phy);
settable(t11,1,phx);
settable(t12,4,recT);}
else
{settable(t8,1,phx);
settable(t9,8,phi9);
settable(t10,1,phx);
settable(t11,1,phy);
settable(t12,4,rec);}
/* INITIALIZE VARIABLES */
if( dpwrf < 4095 )
{ printf("reset dpwrf=4095 and recalibrate C13 90 degree pulse");
psg_abort(1); }
/* maximum fine power for pwC pulses */
rf0 = 4095.0;
/* 90 degree pulse on Ca, null at CO 118ppm away */
pwC1 = sqrt(15.0)/(4.0*118.0*dfrq);
rf1 = (compC*4095.0*pwC)/pwC1;
rf1 = (int) (rf1 + 0.5);
/* 180 degree pulse on Ca, null at CO 118ppm away */
pwC2 = sqrt(3.0)/(2.0*118.0*dfrq);
rf2 = (4095.0*compC*pwC*2.0)/pwC2;
rf2 = (int) (rf2 + 0.5);
if( rf2 > 4095.0 )
{printf("increase pwClvl so that C13 90 < 24us*(600/sfrq)"); psg_abort(1);}
/* 180 degree one-lobe sinc pulse on CO, null at Ca 118ppm away */
rf9 = (compC*4095.0*pwC*2.0*1.65)/pwC9a; /* needs 1.65 times more */
rf9 = (int) (rf9 + 0.5); /* power than a square pulse */
/* the pwC9 pulse at the middle of t1 */
if ((ni2 > 0.0) && (ni == 1.0)) ni = 0.0;
if (pwC9a > 2.0*pwN) pwZ = pwC9a; else pwZ = 2.0*pwN;
if ((pwC9==0.0) && (pwC9a>2.0*pwN)) pwZ1=pwC9a-2.0*pwN; else pwZ1=0.0;
if (ni > 1) pwC9 = pwC9a;
if ( pwC9 > 0 ) phshift9 = 320.0;
else phshift9 = 0.0;
/* selective H20 one-lobe sinc pulse */
tpwrs = tpwr - 20.0*log10(pwHs/(compH*pw*1.69)); /* needs 1.69 times more */
tpwrs = (int) (tpwrs); /* power than a square pulse */
/* power level and pulse time for WALTZ 1H decoupling */
pwHd = 1/(4.0 * waltzB1) ;
tpwrd = tpwr - 20.0*log10(pwHd/(compH*pw));
tpwrd = (int) (tpwrd + 0.5);
/* CHECK VALIDITY OF PARAMETER RANGES */
if ( 0.5*ni*1/(sw1) > timeTC)
{ printf(" ni is too big. Make ni less than %d . Check by using dps and make sure no ? appears for d2=t1max (ni/sw1).\n",
((int)((timeTC)*2.0*sw1-7))); psg_abort(1); }
if ( 0.5*ni2*1/(sw2) > timeTN - WFG3_START_DELAY)
{ printf(" ni2 is too big. Make ni2 equal to %d or less.\n",
((int)((timeTN - WFG3_START_DELAY)*2.0*sw2))); psg_abort(1);}
if ( dm[A] == 'y' || dm[B] == 'y' || dm[C] == 'y' )
{ printf("incorrect dec1 decoupler flags! Should be 'nnn' "); psg_abort(1);}
if ( dm2[A] == 'y' || dm2[B] == 'y' )
{ printf("incorrect dec2 decoupler flags! Should be 'nny' "); psg_abort(1);}
if ( dm3[A] == 'y' || dm3[C] == 'y' )
{ printf("incorrect dec3 decoupler flags! Should be 'nyn' or 'nnn' ");
psg_abort(1);}
if ( dpwr2 > 46 )
{ printf("dpwr2 too large! recheck value "); psg_abort(1);}
if ( pw > 20.0e-6 )
{ printf(" pw too long ! recheck value "); psg_abort(1);}
if ( pwN > 100.0e-6 )
{ printf(" pwN too long! recheck value "); psg_abort(1);}
if ( TROSY[A]=='y' && dm2[C] == 'y')
{ text_error("Choose either TROSY='n' or dm2='n' ! "); psg_abort(1);}
/* PHASES AND INCREMENTED TIMES */
/* Phase incrementation for hypercomplex 2D data, States-Haberkorn element */
if (phase1 == 2) tsadd(t3,1,4);
if (TROSY[A]=='y')
{ if (phase2 == 2) icosel = +1;
else {tsadd(t4,2,4); tsadd(t10,2,4); icosel = -1;}
}
else { if (phase2 == 2) {tsadd(t10,2,4); icosel = +1;}
else icosel = -1;
}
/* Set up f1180 */
tau1 = d2;
if((f1180[A] == 'y') && (ni > 1.0))
{ tau1 += ( 1.0 / (2.0*sw1) ); if(tau1 < 0.2e-6) tau1 = 0.0; }
tau1 = tau1/2.0;
/* Set up f2180 */
tau2 = d3;
if((f2180[A] == 'y') && (ni2 > 1.0))
{ tau2 += ( 1.0 / (2.0*sw2) ); if(tau2 < 0.2e-6) tau2 = 0.0; }
tau2 = tau2/2.0;
/* Calculate modifications to phases for States-TPPI acquisition */
if( ix == 1) d2_init = d2;
t1_counter = (int) ( (d2-d2_init)*sw1 + 0.5 );
if(t1_counter % 2)
{ tsadd(t3,2,4); tsadd(t12,2,4); }
if( ix == 1) d3_init = d3;
t2_counter = (int) ( (d3-d3_init)*sw2 + 0.5 );
if(t2_counter % 2)
{ tsadd(t8,2,4); tsadd(t12,2,4); }
/* BEGIN PULSE SEQUENCE */
status(A);
delay(d1);
if ( dm3[B] == 'y' )
{ lk_hold(); lk_sampling_off();} /*freezes z0 correction, stops lock pulsing*/
rcvroff();
obspower(tpwr);
decpower(pwClvl);
dec2power(pwNlvl);
decpwrf(rf0);
obsoffset(tof);
txphase(zero);
delay(1.0e-5);
dec2rgpulse(pwN, zero, 0.0, 0.0); /*destroy N15 and C13 magnetization*/
decrgpulse(pwC, zero, 0.0, 0.0);
zgradpulse(gzlvl0, 0.5e-3);
delay(1.0e-4);
dec2rgpulse(pwN, one, 0.0, 0.0);
decrgpulse(pwC, zero, 0.0, 0.0);
zgradpulse(0.7*gzlvl0, 0.5e-3);
delay(5.0e-4);
rgpulse(pw,zero,0.0,0.0); /* 1H pulse excitation */
dec2phase(zero);
zgradpulse(gzlvl0, gt0);
delay(lambda - gt0);
sim3pulse(2.0*pw, 0.0, 2.0*pwN, zero, zero, zero, 0.0, 0.0);
txphase(one);
zgradpulse(gzlvl0, gt0);
delay(lambda - gt0);
rgpulse(pw, one, 0.0, 0.0);
if (TROSY[A]=='y')
{
txphase(two);
obspower(tpwrs);
shaped_pulse("H2Osinc",pwHs,two,5.0e-4,0.0);
obspower(tpwr);
zgradpulse(gzlvl3, gt3);
delay(2.0e-4);
dec2rgpulse(pwN, zero, 0.0, 0.0);
delay(0.5*kappa - 2.0*pw);
rgpulse(2.0*pw, two, 0.0, 0.0);
dec2phase(zero);
decpwrf(rf2);
delay(timeTN - 0.5*kappa);
}
else
{
txphase(zero);
obspower(tpwrs);
shaped_pulse("H2Osinc",pwHs,zero,5.0e-4,0.0);
obspower(tpwrd);
zgradpulse(gzlvl3, gt3);
delay(2.0e-4);
dec2rgpulse(pwN, zero, 0.0, 0.0);
txphase(one);
delay(kappa - pwHd - 2.0e-6 - PRG_START_DELAY);
rgpulse(pwHd,one,0.0,0.0);
txphase(zero);
delay(2.0e-6);
obsprgon("waltz16", pwHd, 90.0); /* PRG_START_DELAY */
xmtron();
decphase(zero);
dec2phase(zero);
decpwrf(rf2);
delay(timeTN - kappa);
}
sim3pulse(0.0, pwC2, 2.0*pwN, zero, zero, zero, 0.0, 0.0);
decphase(t3);
decpwrf(rf1);
delay(timeTN);
dec2rgpulse(pwN, zero, 0.0, 0.0);
if (TROSY[A]=='n')
{
xmtroff();
obsprgoff();
if (h1dec[0]=='y')
rgpulse(pwHd,three,2.0e-6,0.0);
else
rgpulse(pwHd,one,2.0e-6,0.0);
}
zgradpulse(gzlvl3, gt3);
txphase(one);
delay(2.0e-4);
if(h1dec[0]=='y')
{
obspower(tpwrd);
rgpulse(pwHd,one,0.0,0.0);
txphase(zero);
delay(2.0e-6);
obsprgon("waltz16", pwHd, 90.0);
xmtron();
}
if ( dm3[B] == 'y' ) /* begins optional 2H decoupling */
{
dec3rgpulse(1/dmf3,one,10.0e-6,2.0e-6);
dec3unblank();
dec3phase(zero);
delay(2.0e-6);
setstatus(DEC3ch, TRUE, 'w', FALSE, dmf3);
}
decrgpulse(pwC1,t3,0.0,0.0);
decphase(zero);
/* xxxxxxxxxxxxxxxxxxxxxx 13Ca EVOLUTION xxxxxxxxxxxxxxxxxx */
if (CT_c[0]=='n') {
if ((ni>1.0) && (tau1>0.0)) /* total 13C evolution equals d2 exactly */
{ /* 2.0*pwC1/PI compensates for evolution at 64% rate duting pwC1 */
decpwrf(rf9);
if(tau1 - 2.0*pwC1/PI - WFG3_START_DELAY - 0.5*pwZ > 0.0)
{
delay(tau1 - 2.0*pwC1/PI - WFG3_START_DELAY - 0.5*pwZ);
/* WFG3_START_DELAY */
sim3shaped_pulse("", "offC9", "", 0.0, pwC9a, 2.0*pwN, zero, zero, zero,
0.0, 0.0);
initval(phshift9, v9);
decstepsize(1.0);
dcplrphase(v9); /* SAPS_DELAY */
delay(tau1 - 2.0*pwC1/PI - SAPS_DELAY - 0.5*pwZ - 2.0e-6);
}
else
{
initval(180.0, v9);
decstepsize(1.0);
dcplrphase(v9); /* SAPS_DELAY */
delay(2.0*tau1 - 4.0*pwC1/PI - SAPS_DELAY - 2.0e-6);
}
}
else if (ni==1.0) /* special 1D check of pwC9 phase enabled when ni=1 */
{
decpwrf(rf9);
delay(10.0e-6 + SAPS_DELAY + 0.5*pwZ1);
/* WFG3_START_DELAY */
sim3shaped_pulse("", "offC9", "", 0.0, pwC9, 2.0*pwN, zero, zero, zero,
2.0e-6, 0.0);
initval(phshift9, v9);
decstepsize(1.0);
dcplrphase(v9); /* SAPS_DELAY */
delay(10.0e-6 + WFG3_START_DELAY + 0.5*pwZ1);
}
else /* 13Ca evolution refocused for 1st increment */
{
decpwrf(rf2);
decrgpulse(pwC2, zero, 2.0e-6, 0.0);
}
}
else { /* %%%%%%%%%%STARTING 13Ca Constant Time EVOLUTION %%%%%%%%%%%%%%%%%%*/
decpwrf(rf9);
if(tau1 - 2.0*pwC1/PI - WFG_START_DELAY -POWER_DELAY> 0.0) {
delay(tau1 -2.0*pwC1/PI -POWER_DELAY -WFG_START_DELAY);
sim3shaped_pulse("","offC9","",0.0,pwC9a, 2.0*pwN, zero, zero, zero,
0.0, 0.0);
}
else {
sim3shaped_pulse("","offC9","",0.0,pwC9a, 2.0*pwN, zero, zero, zero,
0.0, 0.0);
}
if (h1dec[0]=='n'){
delay(taud-POWER_DELAY);
obspower(tpwr);
rgpulse(2.0*pw,zero,0.0,0.0);
if ( dm3[B] == 'y' ) /* turns off 2H decoupling */
{
delay(timeTC -pwZ -2.0*WFG_STOP_DELAY -taud -2.0*pw -1/dmf3 -2.0e-6 -202.0e-6 -gt7);
setstatus(DEC3ch, FALSE, 'c', FALSE, dmf3);
dec3rgpulse(1/dmf3,three,2.0e-6,2.0e-6);
dec3blank();
}
else{ /* Should be forbidden?? */
delay(timeTC -pwZ -WFG_STOP_DELAY -taud -2.0*pw -202.0e-6 -gt7);
}
}
else { /* hdec=y */
if ( dm3[B] == 'y' ) /* turns off 2H decoupling */
{
delay(timeTC -pwZ -2.0*WFG_STOP_DELAY -PRG_STOP_DELAY -pwHd -1/dmf3
-4.0e-6-202.0e-6-gt7);
xmtroff();
obsprgoff();
rgpulse(pwHd,three,2.0e-6,2.0e-6);
setstatus(DEC3ch, FALSE, 'c', FALSE, dmf3);
dec3rgpulse(1/dmf3,three,2.0e-6,2.0e-6);
dec3blank();
}
else{
delay(timeTC -pwZ -WFG_STOP_DELAY -PRG_STOP_DELAY -4.0e-6 -202.0e-6
-gt7);
xmtroff();
obsprgoff();
rgpulse(pwHd,three,2.0e-6,2.0e-6);
}
}
delay(2.0e-6);
zgradpulse(gzlvl7,gt7);
delay(200.0e-6-POWER_DELAY);
decpwrf(rf2);
decrgpulse(pwC2, zero, 0.0, 0.0); /* 13Ca 180 degree pulse */
delay(2.0e-6);
zgradpulse(gzlvl7,gt7);
delay(200.0e-6);
if (h1dec[0]=='n') {
if ( dm3[B] == 'y' ) /* begins optional 2H decoupling */
{
dec3rgpulse(1/dmf3,one,10.0e-6,2.0e-6);
dec3unblank();
dec3phase(zero);
delay(2.0e-6);
setstatus(DEC3ch, TRUE, 'w', FALSE, dmf3);
delay(timeTC-tau1-202.0e-6-gt7-2.0*WFG_START_DELAY-1/dmf3-
2.0*POWER_DELAY-pwC9a-2.0e-6-WFG_STOP_DELAY-SAPS_DELAY);
}
else{ /* Should be forbidden??? */
delay(timeTC -tau1 - 202.0e-6 - gt7-2.0*POWER_DELAY-pwC9a-
WFG_START_DELAY-WFG_STOP_DELAY-2.0e-6-SAPS_DELAY);
}
}
else {
if (dm3[B]=='y') {
rgpulse(pwHd,one,0.0,0.0);
txphase(zero);
delay(2.0e-6);
obsprgon("waltz16", pwHd, 90.0);
xmtron();
dec3rgpulse(1/dmf3,one,10.0e-6,2.0e-6);
dec3unblank();
dec3phase(zero);
delay(2.0e-6);
setstatus(DEC3ch, TRUE, 'w', FALSE, dmf3);
delay(timeTC-tau1-202.0e-6-gt7-2.0*WFG_START_DELAY-4.0e-6-1/dmf3-pwHd-
PRG_START_DELAY-2.0*POWER_DELAY-pwC9a-2.0e-6-SAPS_DELAY);
}
else {
delay(2.0e-6);
rgpulse(pwHd,one,0.0,0.0);
txphase(zero);
delay(2.0e-6);
obsprgon("waltz16", pwHd, 90.0);
xmtron();
delay(timeTC-tau1-202.0e-6-gt7-4.0e-6-pwHd-PRG_START_DELAY-
2.0*POWER_DELAY-pwC9a-WFG_START_DELAY-WFG_STOP_DELAY-SAPS_DELAY);
}
}
decpwrf(rf9);
decshaped_pulse("offC9",pwC9a,zero,0.0,0.0);
initval(phshift9, v9);
decstepsize(1.0);
dcplrphase(v9); /* SAPS_DELAY */
} /* %%%%%%%%%%%%%%%%%%ENDING 13Ca Constant Time EVOLUTION %%%%%%%%%%%%%%%%%%*/
decphase(t5);
decpwrf(rf1);
decrgpulse(pwC1, t5, 2.0e-6, 0.0);
dec2phase(t8);
dcplrphase(zero);
if ( dm3[B] == 'y' ) /* turns off 2H decoupling */
{
setstatus(DEC3ch, FALSE, 'c', FALSE, dmf3);
dec3rgpulse(1/dmf3,three,2.0e-6,2.0e-6);
dec3blank();
lk_autotrig(); /* resumes lock pulsing */
}
if (h1dec[0]=='y')
{
xmtroff();
obsprgoff();
rgpulse(pwHd,three,2.0e-6,0.0);
txphase(one);
}
delay(2.0e-6);
zgradpulse(gzlvl4, gt4);
delay(2.0e-4);
if (TROSY[A]=='n') {
rgpulse(pwHd,one,0.0,0.0);
txphase(zero);
delay(2.0e-6);
obsprgon("waltz16", pwHd, 90.0);
xmtron();
}
/* %%%%%%%%%%%%%%%%%%STARTING N15 Constant Time Evolution %%%%%%%%%%%%%%%%%%*/
dec2rgpulse(pwN, t8, 0.0, 0.0);
decphase(zero);
dec2phase(t9);
decpwrf(rf2);
delay(timeTN - tau2);
sim3pulse(0.0, pwC2, 2.0*pwN, zero, zero, t9, 0.0, 0.0);
dec2phase(t10);
decpwrf(rf9);
if (TROSY[A]=='y')
{ if (tau2 > gt1 + 2.0*GRADIENT_DELAY + 1.5e-4 + pwHs)
{
txphase(three);
delay(timeTN - pwC9a - WFG_START_DELAY); /* WFG_START_DELAY */
decshaped_pulse("offC9", pwC9a, zero, 0.0, 0.0);
delay(tau2 - gt1 - 2.0*GRADIENT_DELAY - 1.5e-4 - pwHs);
if (mag_flg[A]=='y') magradpulse(gzcal*gzlvl1, gt1);
else zgradpulse(gzlvl1, gt1); /* 2.0*GRADIENT_DELAY */
obspower(tpwrs); /* POWER_DELAY */
delay(1.0e-4 - POWER_DELAY);
shaped_pulse("H2Osinc", pwHs, three, 0.0, 0.0);
txphase(t4);
obspower(tpwr); /* POWER_DELAY */
delay(0.5e-4 - POWER_DELAY);
}
else if (tau2 > pwHs + 0.5e-4)
{
txphase(three);
delay(timeTN-pwC9a-WFG_START_DELAY-gt1-2.0*GRADIENT_DELAY-1.0e-4);
if (mag_flg[A]=='y') magradpulse(gzcal*gzlvl1, gt1);
else zgradpulse(gzlvl1, gt1); /* 2.0*GRADIENT_DELAY */
obspower(tpwrs); /* POWER_DELAY */
delay(1.0e-4 - POWER_DELAY); /* WFG_START_DELAY */
decshaped_pulse("offC9", pwC9a, zero, 0.0, 0.0);
delay(tau2 - pwHs - 0.5e-4);
shaped_pulse("H2Osinc", pwHs, three, 0.0, 0.0);
txphase(t4);
obspower(tpwr); /* POWER_DELAY */
delay(0.5e-4 - POWER_DELAY);
}
else
{
txphase(three);
delay(timeTN - pwC9a - WFG_START_DELAY - gt1 - 2.0*GRADIENT_DELAY
- 1.5e-4 - pwHs);
if (mag_flg[A]=='y') magradpulse(gzcal*gzlvl1, gt1);
else zgradpulse(gzlvl1, gt1); /* 2.0*GRADIENT_DELAY */
obspower(tpwrs); /* POWER_DELAY */
delay(1.0e-4 - POWER_DELAY); /* WFG_START_DELAY */
shaped_pulse("H2Osinc", pwHs, three, 0.0, 0.0);
txphase(t4);
obspower(tpwr); /* POWER_DELAY */
delay(0.5e-4 - POWER_DELAY);
decshaped_pulse("offC9", pwC9a, zero, 0.0, 0.0);
delay(tau2);
}
}
else
{
if (tau2 > kappa)
{
delay(timeTN - pwC9a - WFG_START_DELAY); /* WFG_START_DELAY */
decshaped_pulse("offC9", pwC9a, zero, 0.0, 0.0);
delay(tau2 - kappa - PRG_STOP_DELAY - pwHd - 2.0e-6);
xmtroff();
obsprgoff(); /* PRG_STOP_DELAY */
rgpulse(pwHd,three,2.0e-6,0.0);
txphase(t4);
delay(kappa - gt1 - 2.0*GRADIENT_DELAY - 1.0e-4);
if (mag_flg[A]=='y') magradpulse(gzcal*gzlvl1, gt1);
else zgradpulse(gzlvl1, gt1); /* 2.0*GRADIENT_DELAY */
obspower(tpwr); /* POWER_DELAY */
delay(1.0e-4 - POWER_DELAY);
}
else if (tau2 > (kappa - pwC9a - WFG_START_DELAY))
{
delay(timeTN + tau2 - kappa - PRG_STOP_DELAY - pwHd - 2.0e-6);
xmtroff();
obsprgoff(); /* PRG_STOP_DELAY */
rgpulse(pwHd,three,2.0e-6,0.0);
txphase(t4); /* WFG_START_DELAY */
decshaped_pulse("offC9", pwC9a, zero, 0.0, 0.0);
delay(kappa -pwC9a -WFG_START_DELAY -gt1 -2.0*GRADIENT_DELAY -1.0e-4);
if (mag_flg[A]=='y') magradpulse(gzcal*gzlvl1, gt1);
else zgradpulse(gzlvl1, gt1); /* 2.0*GRADIENT_DELAY */
obspower(tpwr); /* POWER_DELAY */
delay(1.0e-4 - POWER_DELAY);
}
else if (tau2 > gt1 + 2.0*GRADIENT_DELAY + 1.0e-4)
{
delay(timeTN + tau2 - kappa - PRG_STOP_DELAY - pwHd - 2.0e-6);
xmtroff();
obsprgoff(); /* PRG_STOP_DELAY */
rgpulse(pwHd,three,2.0e-6,0.0);
txphase(t4);
delay(kappa - tau2 - pwC9a - WFG_START_DELAY); /* WFG_START_DELAY */
decshaped_pulse("offC9", pwC9a, zero, 0.0, 0.0);
delay(tau2 - gt1 - 2.0*GRADIENT_DELAY - 1.0e-4);
if (mag_flg[A]=='y') magradpulse(gzcal*gzlvl1, gt1);
else zgradpulse(gzlvl1, gt1); /* 2.0*GRADIENT_DELAY */
obspower(tpwr); /* POWER_DELAY */
delay(1.0e-4 - POWER_DELAY);
}
else
{
delay(timeTN + tau2 - kappa - PRG_STOP_DELAY - pwHd - 2.0e-6);
xmtroff();
obsprgoff(); /* PRG_STOP_DELAY */
rgpulse(pwHd,three,2.0e-6,0.0);
txphase(t4);
delay(kappa-tau2-pwC9a-WFG_START_DELAY-gt1-2.0*GRADIENT_DELAY-1.0e-4);
if (mag_flg[A]=='y') magradpulse(gzcal*gzlvl1, gt1);
else zgradpulse(gzlvl1, gt1); /* 2.0*GRADIENT_DELAY */
obspower(tpwr); /* POWER_DELAY */
delay(1.0e-4 - POWER_DELAY); /* WFG_START_DELAY */
decshaped_pulse("offC9", pwC9a, zero, 0.0, 0.0);
delay(tau2);
}
}
/* xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx */
if (TROSY[A]=='y') rgpulse(pw, t4, 0.0, 0.0);
else sim3pulse(pw, 0.0, pwN, t4, zero, t10, 0.0, 0.0);
txphase(zero);
dec2phase(zero);
zgradpulse(gzlvl5, gt5);
if (TROSY[A]=='y') delay(lambda - 0.65*(pw + pwN) - gt5);
else delay(lambda - 1.3*pwN - gt5);
sim3pulse(2.0*pw, 0.0, 2.0*pwN, zero, zero, zero, 0.0, 0.0);
zgradpulse(gzlvl5, gt5);
txphase(one);
dec2phase(t11);
delay(lambda - 1.3*pwN - gt5);
sim3pulse(pw, 0.0, pwN, one, zero, t11, 0.0, 0.0);
txphase(zero);
dec2phase(zero);
zgradpulse(gzlvl6, gt5);
delay(lambda - 1.3*pwN - gt5);
sim3pulse(2.0*pw, 0.0, 2.0*pwN, zero, zero, zero, 0.0, 0.0);
dec2phase(t10);
zgradpulse(gzlvl6, gt5);
if (TROSY[A]=='y') delay(lambda - 1.6*pwN - gt5);
else delay(lambda - 0.65*pwN - gt5);
if (TROSY[A]=='y') dec2rgpulse(pwN, t10, 0.0, 0.0);
else rgpulse(pw, zero, 0.0, 0.0);
delay((gt1/10.0) + 1.0e-4 +gstab - 0.5*pw + 2.0*GRADIENT_DELAY + POWER_DELAY);
rgpulse(2.0*pw, zero, 0.0, rof1);
dec2power(dpwr2); /* POWER_DELAY */
if (mag_flg[A] == 'y') magradpulse(icosel*gzcal*gzlvl2, gt1/10.0);
else zgradpulse(icosel*gzlvl2, gt1/10.0); /* 2.0*GRADIENT_DELAY */
delay(gstab);
rcvron();
statusdelay(C,1.0e-4 - rof1);
if (dm3[B]=='y') lk_sample();
setreceiver(t12);
}
void pulsesequence()
{
/* DECLARE VARIABLES */
char aliph[MAXSTR], /* aliphatic CHn groups only */
arom[MAXSTR], /* aromatic CHn groups only */
wudec[MAXSTR], /* automatic WURST decoupling */
CNrefoc[MAXSTR], /* flag for refocusing 15N during indirect H1 evolution */
SBSUPR[MAXSTR], /* flag for side-band suppression (use 8 step phase cycle) */
f1180[MAXSTR], /* Flag to start t1 @ halfdwell */
mag_flg[MAXSTR], /* magic angle gradient */
f2180[MAXSTR]; /* Flag to start t2 @ halfdwell */
int icosel, /* used to get n and p type */
PRexp, /* projection-reconstruction flag */
t1_counter, /* used for states tppi in t1 */
t2_counter; /* used for states tppi in t2 */
double csa, sna, tau1, tau2, /* t1 and t2 delays */
bw, ofs, ppm, pwd, nst,
rfst = 0.0, /* fine power level for adiabatic pulse initialized */
slpwr = getval("slpwr"), /* spinlock power level */
slofs = getval("slofs"), /* spinlock offset (in Hz) from carrier frequency */
compC = getval("compC"), /* adjustment for C13 amplifier compression */
compN = getval("compN"), /* adjustment for N15 amplifier compression */
pra = M_PI*getval("pra")/180.0,
jch = getval("jch"), /* CH coupling constant */
ni2 = getval("ni2"),
pwC = getval("pwC"), /* PW90 for 13C nucleus @ pwClvl */
pwClvl = getval("pwClvl"), /* high power for 13C hard pulses on dec1 */
pwC180 = getval("pwC180"), /* PW180 for 13C nucleus in INEPT transfers */
pwN = getval("pwN"), /* PW90 for 15N nucleus @ pwNlvl */
pwNlvl = getval("pwNlvl"), /* high power for 15N hard pulses on dec2 */
pwClw=getval("pwClw"),
pwNlw=getval("pwNlw"),
pwZlw=0.0, /* largest of pwNlw and 2*pwClw */
mix = getval("mix"), /* tocsy mix time */
sw1 = getval("sw1"), /* spectral width in t1 (H) */
sw2 = getval("sw2"), /* spectral width in t2 (C) */
gstab = getval("gstab"), /* gradient recovery delay (300 us recom.) */
gsign = 1.0,
gzcal = getval("gzcal"), /* dac to G/cm conversion factor */
gt0 = getval("gt0"),
gt1 = getval("gt1"),
gt2 = getval("gt2"),
gt3 = getval("gt3"),
gt4 = getval("gt4"),
gt5 = getval("gt5"),
gt6 = getval("gt6"),
gzlvl0 = getval("gzlvl0"),
gzlvl1 = getval("gzlvl1"),
gzlvl2 = getval("gzlvl2"),
gzlvl3 = getval("gzlvl3"),
gzlvl4 = getval("gzlvl4"),
gzlvl5 = getval("gzlvl5"),
gzlvl6 = getval("gzlvl6");
/* LOAD VARIABLES */
getstr("aliph",aliph);
getstr("arom",arom);
getstr("wudec",wudec);
getstr("CNrefoc",CNrefoc);
getstr("mag_flg",mag_flg);
getstr("f1180",f1180);
getstr("f2180",f2180);
getstr("SBSUPR",SBSUPR);
/* LOAD PHASE TABLE */
settable(t1,2,phi1);
settable(t2,4,phi2);
settable(t3,8,phi3);
settable(t4,4,rec);
settable(t5,1,phi5);
/* CHECK VALIDITY OF PARAMETER RANGES */
if((dm[A] == 'y' || dm[C] == 'y' ))
{
printf("incorrect 13C decoupler flags! dm='nnnn' or 'nnny' only ");
psg_abort(1);
}
if((dm2[A] == 'y' || dm2[C] == 'y' ))
{
printf("incorrect 15N decoupler flags! No decoupling in relax or mix periods ");
psg_abort(1);
}
if( dpwr > 49 )
{
printf("don't fry the probe, DPWR too large! ");
psg_abort(1);
}
if( dpwr2 > 49 )
{
printf("don't fry the probe, DPWR2 too large! ");
psg_abort(1);
}
if( pw > 200.0e-6 )
{
printf("dont fry the probe, pw too high ! ");
psg_abort(1);
}
if( pwN > 200.0e-6 )
{
printf("dont fry the probe, pwN too high ! ");
psg_abort(1);
}
if( slpwr > 49.0 )
{
printf("dont fry the probe, spinlock strength too high ! ");
psg_abort(1);
}
if( pwC > 200.0e-6 )
{
printf("dont fry the probe, pwC too high ! ");
psg_abort(1);
}
if( gt0 > 15e-3 || gt1 > 15e-3 || gt2 > 15e-3 || gt3 > 15e-3 || gt4 > 15e-3 || gt5 > 15e-3 || gt6 > 15e-3 )
{
printf("gti values < 15e-3\n");
psg_abort(1);
}
if( gzlvl3*gzlvl4 > 0.0 )
if (phase1 == 2)
tsadd(t1,1,4);
if (phase2 == 1) {tsadd(t5,2,4); icosel = +1;}
else icosel = -1;
/* set up Projection-Reconstruction experiment */
PRexp = 0;
if((pra > 0.0) && (pra < 90.0)) PRexp = 1;
csa = cos(pra);
sna = sin(pra);
if(PRexp)
{
tau1 = d2*csa;
tau2 = d2*sna;
}
else
{
tau1 = d2;
tau2 = d3;
}
if((f1180[A] == 'y') && (ni > 1.0)) /* Set up f1180 tau1 = t1 */
tau1 += 1.0/(2.0*sw1);
tau1 = tau1/2.0;
if((PRexp == 0) && (f2180[A] == 'y') && (ni2 > 1.0)) /* Set up f2180 tau2 = t2 */
tau2 += 1.0/(2.0*sw2);
tau2 = tau2/2.0;
if(tau1 < 0.2e-7) tau1 = 2.0e-7;
/* Calculate modifications to phases for States-TPPI acquisition */
if( ix == 1) d2_init = d2 ;
t1_counter = (int) ((d2-d2_init)*sw1 + 0.5 );
if(t1_counter % 2) { tsadd(t1,2,4); tsadd(t4,2,4); }
if(PRexp==0)
{
if( ix == 1) d3_init = d3 ;
t2_counter = (int) ( (d3-d3_init)*sw2 + 0.5 );
if(t2_counter % 2) { tsadd(t2,2,4); tsadd(t4,2,4); }
}
/* calculate 3db lower power hard pulses for simultaneous CN decoupling during
indirect H1 evoluion pwNlw and pwClw should be calculated by the macro that
calls the experiment. */
if (CNrefoc[A] == 'y')
{
if (pwNlw==0.0) pwNlw = compN*pwN*exp(3.0*2.303/20.0);
if (pwClw==0.0) pwClw = compC*pwC*exp(3.0*2.303/20.0);
if (pwNlw > 2.0*pwClw) pwZlw=pwNlw;
else pwZlw=2.0*pwClw;
}
/* make sure gt3 and gt1 have always opposite sign to help dephasing H2O */
if (gzlvl3*gzlvl1 > 0.0) gsign=-1.0;
else gsign=1.0;
ppm = getval("dfrq"); ofs = 0.0; nst = 1000; /* number of steps */
if(arom[A]=='y') /* AROMATIC spectrum only */
bw = 40.0*ppm;
else if(aliph[A]=='y') /* ALIPHATIC spectrum only */
bw = 80.0*ppm;
else
{
bw = 0.1/(pwC*compC); /* maximum bandwidth */
bw = pwC180*bw*bw;
}
if(FIRST_FID)
{
adC180 = pbox_makeA("adC180", "wurst2i", bw, pwC180, ofs, compC*pwC, pwClvl, nst);
wuHmix = pbox_Adec("adsl", "amwurst", 0.0, mix, slofs, 0.0, 0.0);
pwd = 0.0013;
if(wudec[A]=='y')
wuCdec = pbox_Adec("wurstC", "WURST40", bw, pwd, ofs, compC*pwC, pwClvl);
}
rfst = adC180.pwrf;
wuHmix.pwr = slpwr;
wuHmix.pwrf = 4095.0;
/* BEGIN ACTUAL PULSE SEQUENCE */
status(A);
presat();
obspower(tpwr); /* Set transmitter power for hard 1H pulses */
decpower(pwClvl); /* Set Dec1 power for hard 13C pulses */
dec2power(pwNlvl); /* Set Dec2 power for decoupling during tau1 */
decpwrf(4095.0);
dec2pwrf(4095.0);
/* destroy N15 and C13 magnetization */
if (CNrefoc[A] == 'y') dec2rgpulse(pwN, zero, 0.0, 0.0);
decrgpulse(pwC, zero, 0.0, 0.0);
zgradpulse(gzlvl0, 0.5e-3);
delay(gstab);
if (CNrefoc[A] == 'y') dec2rgpulse(pwN, one, 0.0, 0.0);
decrgpulse(pwC, one, 0.0, 0.0);
zgradpulse(0.7*gzlvl0, 0.5e-3);
decphase(zero);
dec2phase(zero);
rcvroff();
delay(gstab);
status(B);
rgpulse(pw, t1, rof1 ,rof1); /* 90 deg 1H pulse */
txphase(zero);
if (ni > 0)
{
if ((CNrefoc[A]=='y') && (tau1 > pwZlw +2.0*pw/PI +3.0*SAPS_DELAY +2.0*POWER_DELAY +2.0*rof1))
{
decpower(pwClvl-3.0); dec2power(pwNlvl-3.0);
delay(tau1 -pwNlw -2.0*pw/PI -3.0*SAPS_DELAY -2.0*POWER_DELAY -2.0*rof1);
if (pwNlw > 2.0*pwClw)
{
dec2rgpulse(pwNlw -2.0*pwClw,zero,rof1,0.0);
sim3pulse(0.0,pwClw,pwClw,zero,zero,zero,0.0,0.0);
decphase(one);
sim3pulse(0.0,2*pwClw,2*pwClw,zero,one,zero,0.0,0.0);
decphase(zero);
sim3pulse(0.0,pwClw,pwClw,zero,zero,zero,0.0,0.0);
dec2rgpulse(pwNlw -2.0*pwClw,zero,0.0,rof1);
}
else
{
decrgpulse(2.0*pwClw-pwNlw,zero,rof1,0.0);
sim3pulse(0.0,pwNlw-pwClw,pwNlw-pwClw,zero,zero,zero,0.0,0.0);
decphase(one);
sim3pulse(0.0,2.0*pwClw,2.0*pwClw,zero,one,zero,0.0,0.0);
decphase(zero);
sim3pulse(0.0,pwNlw-pwClw,pwNlw-pwClw,zero,zero,zero,0.0,0.0);
decrgpulse(2.0*pwClw-pwNlw,zero,0.0,rof1);
}
decpower(pwClvl); dec2power(pwNlvl);
delay(tau1 -pwZlw -2.0*pw/PI -SAPS_DELAY -2.0*POWER_DELAY -2.0*rof1);
}
else if (tau1 > 2.0*pwC +2.0*pw/PI +3.0*SAPS_DELAY +2.0*rof1)
{
delay(tau1 -2.0*pwC -2.0*pw/PI -3.0*SAPS_DELAY -2.0*rof1);
decrgpulse(pwC, zero, rof1, 0.0);
decphase(one);
decrgpulse(2.0*pwC, one, 0.0, 0.0);
decphase(zero);
decrgpulse(pwC, zero, 0.0, rof1);
delay(tau1 -2.0*pwC -2.0*pw/PI -SAPS_DELAY -2.0*rof1);
}
else if (tau1 > 2.0*pw/PI +2.0*SAPS_DELAY +rof1)
delay(2.0*tau1 -4.0*pw/PI -2.0*SAPS_DELAY -2.0*rof1);
}
rgpulse(pw, zero, rof1, rof1); /* 2nd 1H 90 pulse */
status(C);
zgradpulse(gzlvl0,gt0);
delay(gstab);
obspower(slpwr);
xmtron();
obsprgon(wuHmix.name, 1.0/wuHmix.dmf, wuHmix.dres);
delay(mix);
obsprgoff(); xmtroff();
decrgpulse(pwC,zero,2.0e-6,2.0e-6);
zgradpulse(-gzlvl0,gt0);
obspower(tpwr);
decpwrf(rfst); /* fine power for inversion pulse */
delay(gstab);
/* FIRST HSQC INEPT TRANSFER */
rgpulse(pw,zero,0.0,0.0);
zgradpulse(gzlvl4, gt4);
delay(1/(4.0*jch) -gt4 -2.0*GRADIENT_DELAY -WFG2_START_DELAY -pwC180*0.45);
simshaped_pulse("","adC180",2*pw,pwC180,zero,zero,0.0,0.0);
decphase(zero);
zgradpulse(gzlvl4, gt4);
decpwrf(4095.0);
txphase(one);
delay(1/(4.0*jch) -gt4 -2.0*GRADIENT_DELAY -pwC180*0.45 -PWRF_DELAY -SAPS_DELAY);
rgpulse(pw,one,0.0,0.0);
zgradpulse(gsign*gzlvl3, gt3);
txphase(zero);
delay(gstab);
/* C13 EVOLUTION */
decrgpulse(pwC,t2,0.0,0.0);
delay(tau2);
rgpulse(2.0*pw,zero,0.0,0.0);
delay(tau2);
decphase(zero);
delay(gt1 +2.0*GRADIENT_DELAY +gstab -2.0*pw -SAPS_DELAY);
decrgpulse(2*pwC,zero,0.0,0.0);
if (mag_flg[A] == 'y') magradpulse(gzcal*gzlvl1, gt1);
else zgradpulse(gzlvl1, gt1);
decphase(t5);
delay(gstab);
decrgpulse(pwC,t5,0.0,0.0);
delay(pw);
rgpulse(pw,zero,0.0,0.0);
zgradpulse(gzlvl5, gt5);
decphase(zero);
delay(1/(8.0*jch) -gt5 -SAPS_DELAY -2.0*GRADIENT_DELAY); /* d3 = 1/8*Jch */
decrgpulse(2.0*pwC,zero,0.0,2.0e-6);
rgpulse(2.0*pw,zero,0.0,0.0);
zgradpulse(gzlvl5, gt5);
decphase(one);
txphase(one);
delay(1/(8.0*jch) -gt5 -2.0*SAPS_DELAY -2.0*GRADIENT_DELAY); /* d3 = 1/8*Jch */
delay(pwC);
decrgpulse(pwC,one,0.0,2.0e-6);
rgpulse(pw,one,0.0,0.0);
zgradpulse(gzlvl6, gt6);
decpwrf(rfst); /* fine power for inversion pulse */
decphase(zero);
txphase(zero);
delay(1/(4.0*jch) -gt6 -pwC180*0.45 -PWRF_DELAY
-WFG2_START_DELAY -2.0*SAPS_DELAY -2.0*GRADIENT_DELAY); /* d2 = 1/4*Jch */
simshaped_pulse("","adC180",2*pw,pwC180,zero,zero,0.0,0.0);
decphase(zero);
zgradpulse(gzlvl6, gt6);
decpwrf(4095.0);
delay(1/(4.0*jch) -gt6 -pwC180*0.45 -PWRF_DELAY -2.0*GRADIENT_DELAY); /* d2 = 1/4*Jch */
rgpulse(pw,zero,0.0,0.0);
if (SBSUPR[A]=='y') delay(gt2 +gstab +2.0*GRADIENT_DELAY +2.0*pwC
+SAPS_DELAY +rof2 +POWER_DELAY);
else delay(gt2 +gstab +2.0*GRADIENT_DELAY +POWER_DELAY);
rgpulse(2*pw,zero,0.0,0.0);
if (mag_flg[A] == 'y') magradpulse(icosel*gzcal*gzlvl2, gt2);
else zgradpulse(icosel*gzlvl2, gt2);
delay(gstab);
if (SBSUPR[A]=='y') {
decrgpulse(pwC,zero,0.0,0.0);
decphase(t3);
decrgpulse(pwC,t3,0.0,rof2);
}
setreceiver(t4);
rcvron();
if ((wudec[A]=='y') && (dm[D] == 'y'))
{
decpower(wuCdec.pwr+3.0);
decprgon("wurstC", 1.0/wuCdec.dmf, wuCdec.dres);
decon();
}
else
{
decpower(dpwr);
status(D);
}
}
pulsesequence()
{
char f1180[MAXSTR],
f2180[MAXSTR],
f3180[MAXSTR],
mag_flg[MAXSTR];
int phase, icosel,
t1_counter,
t2_counter,
t3_counter;
double pwClvl,
pwC,
rf0 = 4095,
rfst,
compC = getval("compC"),
tpwrs,
pwHs = getval("pwHs"),
compH = getval("compH"),
pwNlvl,
pwN,
tau1,
tau2,
tau3,
tauch, /* 3.4 ms */
taunh, /* 2.4 ms */
mix,
tofh,
dofcaco, /* ~120 ppm */
gt0, gzlvl0,
gt1,gzlvl1,
gzlvl2,
gzcal = getval("gzcal"),
gstab = getval("gstab"),
gt3,gzlvl3,
gt4,gzlvl4,
gt5,gzlvl5,
gt6,gzlvl6,
gt7,gzlvl7,
gt8, gzlvl8,
gt9, gzlvl9;
/* LOAD VARIABLES */
getstr("f1180",f1180);
getstr("f2180",f2180);
getstr("f3180",f3180);
getstr("mag_flg", mag_flg);
pwClvl = getval("pwClvl");
pwC = getval("pwC");
pwNlvl = getval("pwNlvl");
pwN = getval("pwN");
mix = getval("mix");
tauch = getval("tauch");
taunh = getval("taunh");
sw1 = getval("sw1");
sw2 = getval("sw2");
sw3 = getval("sw3");
phase = (int) (getval("phase") + 0.5);
phase2 = (int) (getval("phase2") + 0.5);
phase3 = (int) (getval("phase3") + 0.5);
gt0 = getval("gt0");
gt1 = getval("gt1");
gt3 = getval("gt3");
gt4 = getval("gt4");
gt5 = getval("gt5");
gt6 = getval("gt6");
gt7 = getval("gt7");
gt8 = getval("gt8");
gt9 = getval("gt9");
gzlvl0 = getval("gzlvl0");
gzlvl1 = getval("gzlvl1");
gzlvl2 = getval("gzlvl2");
gzlvl3 = getval("gzlvl3");
gzlvl4 = getval("gzlvl4");
gzlvl5 = getval("gzlvl5");
gzlvl6 = getval("gzlvl6");
gzlvl7 = getval("gzlvl7");
gzlvl8 = getval("gzlvl8");
gzlvl9 = getval("gzlvl9");
setautocal(); /* activate auto-calibration flags */
if (autocal[0] == 'n')
{
tofh = getval("tofh");
dofcaco = getval("dofcaco"); /* ~120 ppm */
/* 180 degree adiabatic C13 pulse from 0 to 200 ppm */
rfst = (compC*4095.0*pwC*4000.0*sqrt((30.0*sfrq/600.0+7.0)/0.35));
rfst = (int) (rfst + 0.5);
if (1.0/(4000.0*sqrt((30.0*sfrq/600.0+7.0)/0.35)) < pwC )
{
text_error( " Not enough C13 RF. pwC must be %f usec or less.\n",
(1.0e6/(4000.0*sqrt((30.0*sfrq/600.0+7.0)/0.35))) );
psg_abort(1);
}
}
else /* if autocal = 'y'(yes), 'q'(quiet), r(read), or 's'(semi) */
{
if(FIRST_FID) /* call Pbox */
{
ppm = getval("dfrq"); ofs = 0.0; pws = 0.001; /* 1 ms long pulse */
bw = 200.0*ppm; nst = 1000; /* nst - number of steps */
stC200 = pbox_makeA("stC200", "sech", bw, pws, ofs, compC*pwC, pwClvl, nst);
ofs_check(H1ofs, C13ofs, N15ofs, H2ofs);
ofs = getval("tof") - 1.75*getval("sfrq");
pws = getval("dof") + 85.0*ppm;
}
rfst = stC200.pwrf;
tofh = ofs;
dofcaco = pws;
}
/* selective H20 one-lobe sinc pulse */
tpwrs = tpwr - 20.0*log10(pwHs/(compH*pw*1.69));
tpwrs = (int)(tpwrs+0.5);
/* check validity of parameter range */
if((dm[A] == 'y' || dm[C] == 'y'))
{
printf("incorrect Dec1 decoupler flags! ");
psg_abort(1);
}
if((dm2[A] == 'y' || dm2[B] == 'y'))
{
printf("incorrect Dec2 decoupler flags! ");
psg_abort(1);
}
if ((dpwr > 50) || (dpwr2 > 50))
{
printf("don't fry the probe, dpwr too high! ");
psg_abort(1);
}
/* Load phase cycling variables */
settable(t1, 4, phi1);
settable(t2, 2, phi2);
settable(t3, 1, phi3);
settable(t4, 8, phi4);
settable(t5, 1, phi5);
settable(t11, 8, rec_1);
/* Phase incrementation for hypercomplex data */
if ( phase == 2 )
{
tsadd(t1,1,4);
}
if ( phase2 == 2 )
{
tsadd(t2,1,4);
}
if ( phase3 == 1 )
{
tsadd(t5,2,4);
icosel = 1;
}
else icosel = -1;
/* calculate modification to phases based on current t2 values
to achieve STATES-TPPI acquisition */
if(ix == 1) d2_init = d2;
t1_counter = (int)((d2-d2_init)*sw1 + 0.5);
if(t1_counter % 2)
{
tsadd(t1,2,4);
tsadd(t11,2,4);
}
if(ix == 1) d3_init = d3;
t2_counter = (int)((d3-d3_init)*sw2 + 0.5);
if(t2_counter % 2)
{
tsadd(t2,2,4);
tsadd(t11,2,4);
}
if(ix == 1) d4_init = d4;
t3_counter = (int)((d4-d4_init)*sw3 + 0.5);
if(t3_counter % 2)
{
tsadd(t3,2,4);
tsadd(t11,2,4);
}
/* set up so that get (90, -180) phase corrects in F1 if f1180 flag is 'y' */
tau1 = d2;
if(f1180[A] == 'y')
{
tau1 += (1.0/(2.0*sw1));
}
if (tau1 < 0.2e-6) tau1 = 0.0;
tau1 = tau1/2.0;
/* set up so that get (90, -180) phase corrects in F2 if f2180 flag is 'y' */
tau2 = d3 - (4.0*pwC/PI + 2.0*pw + 2.0e-6);
if (dm[B] == 'y')
{
tau2 = tau2 - (2.0*POWER_DELAY + PRG_START_DELAY + PRG_STOP_DELAY);
}
if(f2180[A] == 'y')
{
tau2 += (1.0/(2.0*sw2));
}
if (tau2 < 0.2e-6) tau2 = 0.0;
tau2 = tau2/2.0;
/* set up so that get (90, -180) phase corrects in F3 if f3180 flag is 'y' */
tau3 = d4;
if(f3180[A] == 'y')
{
tau3 += (1.0/(2.0*sw3));
}
if (tau3 < 0.2e-6) tau3 = 0.0;
tau3 = tau3/2.0;
initval(315.0, v7);
obsstepsize(1.0);
/* BEGIN ACTUAL PULSE SEQUENCE */
status(A);
delay(10.0e-6);
obspower(tpwr);
decpower(pwClvl);
decpwrf(rf0);
dec2power(pwNlvl);
obsoffset(tofh);
decoffset(dof);
dec2offset(dof2);
txphase(t1);
xmtrphase(v7);
delay(d1);
if (gt0 > 0.2e-6)
{
decrgpulse(pwC,zero,2.0e-6,0.0);
dec2rgpulse(pwN,zero,2.0e-6,0.0);
zgradpulse(gzlvl0,gt0);
delay(1.0e-3);
}
decphase(t2);
rgpulse(pw,t1,2.0e-6,0.0);
xmtrphase(zero);
zgradpulse(gzlvl3,gt3);
delay(tauch - gt3);
decrgpulse(pwC,t2,2.0e-6,0.0);
status(B);
decpower(dpwr);
delay(tau2);
rgpulse(2.0*pw,t1,0.0,0.0);
decphase(zero);
if (tau2 > 2.0*pwN)
{
dec2rgpulse(2.0*pwN,zero,0.0,0.0);
delay(tau2 - 2.0*pwN);
}
else
delay(tau2);
status(A);
decpower(pwClvl);
decrgpulse(pwC,zero, 2.0e-6,2.0e-6);
txphase(zero);
delay(tauch + tau1 + SAPS_DELAY - gt3 - 4.0*pwC - 500.0e-6);
zgradpulse(gzlvl3,gt3);
delay(500.0e-6);
decrgpulse(pwC,zero,0.0, 0.0);
decphase(one);
decrgpulse(2.0*pwC, one, 0.2e-6, 0.0);
decphase(zero);
decrgpulse(pwC, zero, 0.2e-6, 0.0);
delay(tau1);
rgpulse(pw,zero,0.0,0.0);
delay(mix - gt4 - gt5 - pwN - 2.0e-3);
obsoffset(tof);
zgradpulse(gzlvl4,gt4);
delay(1.0e-3);
sim3pulse((double)0.0,pwC,pwN,zero,zero,zero,0.0,2.0e-6);
zgradpulse(gzlvl5,gt5);
delay(1.0e-3);
rgpulse(pw,zero,0.0,2.0e-6);
zgradpulse(gzlvl6,gt6);
delay(taunh - gt6 - 2.0e-6);
sim3pulse(2.0*pw,(double)0.0,2*pwN,zero,zero,zero,0.0,0.0);
delay(taunh - gt6 - 500.0e-6);
zgradpulse(gzlvl6,gt6);
txphase(one);
delay(500.0e-6);
rgpulse(pw,one,0.0,0.0);
txphase(two);
obspower(tpwrs);
shaped_pulse("H2Osinc", pwHs, two, 2.0e-6, 2.0e-6);
obspower(tpwr);
zgradpulse(gzlvl7,gt7);
dec2phase(t3);
decoffset(dofcaco);
decpwrf(rfst);
delay(200.0e-6);
dec2rgpulse(pwN,t3,0.0,0.0);
dec2phase(t4);
delay(tau3);
rgpulse(2.0*pw, zero, 0.0, 0.0);
decshaped_pulse("stC200", 1.0e-3, zero, 0.0, 0.0);
delay(tau3);
delay(gt1 + 202.0e-6 - 1.0e-3 - 2.0*pw);
dec2rgpulse(2.0*pwN, t4, 0.0, 2.0e-6);
dec2phase(t5);
if(mag_flg[A] == 'y')
{
magradpulse(gzcal*gzlvl1, gt1);
}
else
{
zgradpulse(gzlvl1, gt1);
delay(4.0*GRADIENT_DELAY);
}
delay(200.0e-6 + WFG_START_DELAY + WFG_STOP_DELAY - 6.0*GRADIENT_DELAY);
sim3pulse(pw, 0.0, pwN, zero, zero, t5, 0.0, 2.0e-6);
dec2phase(zero);
zgradpulse(gzlvl8, gt8);
delay(taunh - gt8);
sim3pulse(2.0*pw, 0.0, 2.0*pwN, zero, zero, zero, 0.0, 0.0);
delay(taunh - gt8 - 400.0e-6);
zgradpulse(gzlvl8, gt8);
txphase(one);
dec2phase(one);
delay(400.0e-6);
sim3pulse(pw, 0.0, pwN, one, zero, one, 0.0, 0.0);
txphase(zero);
dec2phase(zero);
zgradpulse(gzlvl9, gt9);
delay(taunh - gt9);
sim3pulse(2.0*pw, 0.0, 2.0*pwN, zero, zero, zero, 0.0, 0.0);
zgradpulse(gzlvl9, gt9);
delay(taunh - gt9);
rgpulse(pw, zero, 0.0, 0.0);
delay((gt1/10.0) + gstab - 0.5*pw + 6.0*GRADIENT_DELAY + POWER_DELAY);
rgpulse(2.0*pw, zero, 0.0, 0.0);
if(mag_flg[A] == 'y')
{
magradpulse(icosel*gzcal*gzlvl2, gt1/10.0);
}
else
{
zgradpulse(icosel*gzlvl2, gt1/10.0);
delay(4.0*GRADIENT_DELAY);
}
dec2power(dpwr2);
delay(gstab);
status(C);
setreceiver(t11);
}
pulsesequence()
{
/* DECLARE AND LOAD VARIABLES */
char f1180[MAXSTR], /* Flag to start t1 @ halfdwell */
f2180[MAXSTR], /* Flag to start t2 @ halfdwell */
mag_flg[MAXSTR], /* magic-angle coherence transfer gradients */
TROSY[MAXSTR]; /* do TROSY on N15 and H1 */
int icosel, /* used to get n and p type */
t1_counter, /* used for states tppi in t1 */
t2_counter, /* used for states tppi in t2 */
ni = getval("ni"),
ni2 = getval("ni2");
double tau1, /* t1 delay */
tau2, /* t2 delay */
t1a, /* time increments for first dimension */
t1b,
t1c,
tauCH = getval("tauCH"), /* 1/4J delay for CH */
timeTN = getval("timeTN"), /* constant time for 15N evolution */
timeAB = getval("timeAB"), /* set timeAB=1.9e-3 to get only Ha */
/* set timeAB=3.3e-3 to maximize Hb */
/* set timeAB=2.8e-3 for both Ha/Hb */
zeta = 3.0e-3,
eta = 4.6e-3,
theta = 14.0e-3,
kappa = 5.4e-3,
lambda = 2.4e-3,
sheila, /* to transfer J evolution time hyperbolically into tau1 */
pwClvl = getval("pwClvl"), /* coarse power for C13 pulse */
pwC = getval("pwC"), /* C13 90 degree pulse length at pwClvl */
rf0, /* maximum fine power when using pwC pulses */
/* 90 degree pulse at Cab(46ppm), first off-resonance null at CO (174ppm) */
pwC1, /* 90 degree pulse length on C13 at rf1 */
rf1, /* fine power for 5.1 kHz rf for 600MHz magnet */
/* 180 degree pulse at Cab(46ppm), first off-resonance null at CO(174ppm) */
pwC2, /* 180 degree pulse length at rf2 */
rf2, /* fine power for 11.4 kHz rf for 600MHz magnet */
/* the following pulse lengths for SLP pulses are automatically calculated */
/* by the macro "proteincal". SLP pulse shapes, "offC4" etc are called */
/* directly from your shapelib. */
pwC4 = getval("pwC4"), /*180 degree pulse at Ca(56ppm) null at CO(174ppm) */
pwC5 = getval("pwC5"), /* 90 degree selective sinc pulse on CO(174ppm) */
pwC7 = getval("pwC7"), /* 180 degree selective sinc pulse on CO(174ppm) */
rf4, /* fine power for the pwC4 ("offC4") pulse */
rf5, /* fine power for the pwC5 ("offC5") pulse */
rf7, /* fine power for the pwC7 ("offC7") pulse */
compH = getval("compH"), /* adjustment for C13 amplifier compression */
compC = getval("compC"), /* adjustment for C13 amplifier compression */
phi7cal = getval("phi7cal"), /* phase in degrees of the last C13 90 pulse */
pwH, /* H1 90 degree pulse length at tpwr1 */
tpwr1, /* 7.3 kHz rf for DIPSI-2 */
DIPSI2time, /* total length of DIPSI-2 decoupling */
ncyc_dec,
waltzB1=getval("waltzB1"), /* RF strength for 1H decoupling */
pwNlvl = getval("pwNlvl"), /* power for N15 pulses */
pwN = getval("pwN"), /* N15 90 degree pulse length at pwNlvl */
sw1 = getval("sw1"),
sw2 = getval("sw2"),
gt1 = getval("gt1"), /* coherence pathway gradients */
gzcal = getval("gzcal"), /* g/cm to DAC conversion factor */
gzlvl1 = getval("gzlvl1"),
gzlvl2 = getval("gzlvl2"),
gt0 = getval("gt0"), /* other gradients */
gt3 = getval("gt3"),
gt4 = getval("gt4"),
gt5 = getval("gt5"),
gstab = getval("gstab"),
gzlvl0 = getval("gzlvl0"),
gzlvl3 = getval("gzlvl3"),
gzlvl4 = getval("gzlvl4"),
gzlvl5 = getval("gzlvl5"),
gzlvl6 = getval("gzlvl6");
getstr("f1180",f1180);
getstr("f2180",f2180);
getstr("mag_flg",mag_flg);
getstr("TROSY",TROSY);
/* LOAD PHASE TABLE */
settable(t3,1,phx);
settable(t4,1,phx);
settable(t5,2,phi5);
settable(t6,2,phi6);
if (TROSY[A]=='y')
{settable(t8,1,phy);
settable(t9,1,phx);
settable(t10,1,phy);
settable(t11,1,phx);
settable(t12,2,recT);}
else
{settable(t8,1,phx);
settable(t9,8,phi9);
settable(t10,1,phx);
settable(t11,1,phy);
settable(t12,4,rec);}
/* INITIALIZE VARIABLES */
if( dpwrf < 4095 )
{ printf("reset dpwrf=4095 and recalibrate C13 90 degree pulse");
psg_abort(1); }
if( pwC > 24.0e-6*600.0/sfrq )
{ printf("increase pwClvl so that pwC < 24*600/sfrq");
psg_abort(1); }
/* maximum fine power for pwC pulses */
rf0 = 4095.0;
/* 90 degree pulse on Cab, null at CO 128ppm away */
pwC1 = sqrt(15.0)/(4.0*128.0*dfrq);
rf1 = (compC*4095.0*pwC)/pwC1;
rf1 = (int) (rf1 + 0.5);
/* 180 degree pulse on Cab, null at CO 128ppm away */
pwC2 = sqrt(3.0)/(2.0*128.0*dfrq);
rf2 = (4095.0*compC*pwC*2.0)/pwC2;
rf2 = (int) (rf2 + 0.5);
/* 180 degree pulse on Ca, null at CO 118ppm away */
rf4 = (compC*4095.0*pwC*2.0)/pwC4;
rf4 = (int) (rf4 + 0.5);
/* 90 degree one-lobe sinc pulse on CO, null at Ca 118ppm away */
rf5 = (compC*4095.0*pwC*1.69)/pwC5; /* needs 1.69 times more */
rf5 = (int) (rf5 + 0.5); /* power than a square pulse */
/* 180 degree one-lobe sinc pulse on CO, null at Ca 118ppm away */
rf7 = (compC*4095.0*pwC*2.0*1.65)/pwC7; /* needs 1.65 times more */
rf7 = (int) (rf7 + 0.5); /* power than a square pulse */
/* power level and pulse times for DIPSI 1H decoupling */
DIPSI2time = 2.0*3.0e-3 + 2.0*14.0e-3 + 2.0*timeTN - 5.4e-3 + 0.5*pwC1 + 2.0*pwC5 + 5.0*pwN + 2.0*gt3 + 1.0e-4 + 4.0*GRADIENT_DELAY + 2.0*POWER_DELAY + 8.0*PRG_START_DELAY;
pwH = 1.0/(4.0*waltzB1);
ncyc_dec = (DIPSI2time*90.0)/(pwH*2590.0*4.0);
ncyc_dec = (int) (ncyc_dec+0.5);
pwH = (DIPSI2time*90.0)/(ncyc_dec*2590.0*4.0); /*fine correction of pwH */
tpwr1 = 4095.0*(compH*pw/pwH);
tpwr1 = (int) (2.0*tpwr1 + 0.5); /* x2 because obs atten will be reduced by 6dB */
if (ix == 1)
{
fprintf(stdout, "\nNo of DIPSI-2 cycles = %4.1f\n",ncyc_dec);
fprintf(stdout, "\nfine power for DIPSI-2 pulse =%6.1f\n",tpwr1);
}
/* CHECK VALIDITY OF PARAMETER RANGES */
if ( 0.5*ni2*1/(sw2) > timeTN - WFG3_START_DELAY)
{ printf(" ni2 is too big. Make ni2 equal to %d or less.\n",
((int)((timeTN - WFG3_START_DELAY)*2.0*sw2))); psg_abort(1);}
if ( dm[A] == 'y' || dm[B] == 'y' || dm[C] == 'y' )
{ printf("incorrect dec1 decoupler flags! Should be 'nnn' "); psg_abort(1);}
if ( dm2[A] == 'y' || dm2[B] == 'y' )
{ printf("incorrect dec2 decoupler flags! Should be 'nny' "); psg_abort(1);}
if ( dm3[A] == 'y' || dm3[C] == 'y' )
{ printf("incorrect dec3 decoupler flags! Should be 'nyn' or 'nnn' ");
psg_abort(1);}
if ( dpwr2 > 50 )
{ printf("dpwr2 too large! recheck value "); psg_abort(1);}
if ( pw > 20.0e-6 )
{ printf(" pw too long ! recheck value "); psg_abort(1);}
if ( pwN > 100.0e-6 )
{ printf(" pwN too long! recheck value "); psg_abort(1);}
if ( TROSY[A]=='y' && dm2[C] == 'y' )
{ text_error("Choose either TROSY='n' or dm2='n' ! "); psg_abort(1);}
/* PHASES AND INCREMENTED TIMES */
/* Phase incrementation for hypercomplex 2D data, States-Haberkorn element */
if (phase1 == 2) tsadd(t3,1,4);
if (TROSY[A]=='y')
{ if (phase2 == 2) icosel = +1;
else {tsadd(t4,2,4); tsadd(t10,2,4); icosel = -1;}
}
else { if (phase2 == 2) {tsadd(t10,2,4); icosel = +1;}
else icosel = -1;
}
/* Set up f1180 */
tau1 = d2;
if((f1180[A] == 'y') && (ni > 1.0))
{ tau1 += ( 1.0 / (2.0*sw1) ); if(tau1 < 0.2e-6) tau1 = 0.0; }
tau1 = tau1/2.0;
/* Hyperbolic sheila seems superior to original zeta approach */
/* subtract unavoidable delays from tauCH */
tauCH = tauCH - gt0 - 2.0*GRADIENT_DELAY - 5.0e-5;
if ((ni-1)/(2.0*sw1) > 2.0*tauCH)
{
if (tau1 > 2.0*tauCH) sheila = tauCH;
else if (tau1 > 0) sheila = 1.0/(1.0/tau1+1.0/tauCH-1.0/(2.0*tauCH));
else sheila = 0.0;
}
else
{
if (tau1 > 0) sheila = 1.0/(1.0/tau1 + 1.0/tauCH - 2.0*sw1/((double)(ni-1)));
else sheila = 0.0;
}
t1a = tau1 + tauCH;
t1b = tau1 - sheila;
t1c = tauCH - sheila;
/* Set up f2180 */
tau2 = d3;
if((f2180[A] == 'y') && (ni2 > 1.0))
{ tau2 += ( 1.0 / (2.0*sw2) ); if(tau2 < 0.2e-6) tau2 = 0.0; }
tau2 = tau2/2.0;
/* Calculate modifications to phases for States-TPPI acquisition */
if( ix == 1) d2_init = d2;
t1_counter = (int) ( (d2-d2_init)*sw1 + 0.5 );
if(t1_counter % 2)
{ tsadd(t3,2,4); tsadd(t12,2,4); }
if( ix == 1) d3_init = d3;
t2_counter = (int) ( (d3-d3_init)*sw2 + 0.5 );
if(t2_counter % 2)
{ tsadd(t8,2,4); tsadd(t12,2,4); }
/* For ni<2 (calibration) set timeAB=1.5ms to get avoid signal cancellation between Ha and Hb */
if (ni < 2.0) timeAB=1.5e-3;
/* BEGIN PULSE SEQUENCE */
status(A);
delay(d1);
if ( dm3[B] == 'y' )
lk_sample(); /*freezes z0 correction, stops lock pulsing*/
if ((ni/sw1-d2)>0)
delay(ni/sw1-d2); /*decreases as t1 increases for const.heating*/
if ((ni2/sw2-d3)>0)
delay(ni2/sw2-d3); /*decreases as t2 increases for const.heating*/
if ( dm3[B] == 'y' )
{ lk_hold(); lk_sampling_off();} /*freezes z0 correction, stops lock pulsing*/
rcvroff();
obspower(tpwr);
decpower(pwClvl);
dec2power(pwNlvl);
decpwrf(rf0);
obsoffset(tof);
txphase(one);
delay(1.0e-5);
if (TROSY[A] == 'n')
dec2rgpulse(pwN, zero, 0.0, 0.0); /*destroy N15 and C13 magnetization*/
decrgpulse(pwC, zero, 0.0, 0.0);
zgradpulse(gzlvl0, 0.5e-3);
delay(1.0e-4);
if (TROSY[A] == 'n')
dec2rgpulse(pwN, one, 0.0, 0.0);
decrgpulse(pwC, zero, 0.0, 0.0);
zgradpulse(0.7*gzlvl0, 0.5e-3);
delay(5.0e-4);
if ( dm3[B] == 'y' ) /* begins optional 2H decoupling */
{
gzlvl0=0.0; gzlvl3=0.0; gzlvl4=0.0; /* no gradients during 2H decoupling */
dec3rgpulse(1/dmf3,one,10.0e-6,2.0e-6);
dec3unblank();
dec3phase(zero);
delay(2.0e-6);
setstatus(DEC3ch, TRUE, 'w', FALSE, dmf3);
}
rgpulse(pw, one, 0.0, 0.0); /* 1H pulse excitation */
/* point a */
txphase(zero);
decphase(zero);
zgradpulse(gzlvl0, gt0); /* 2.0*GRADIENT_DELAY */
delay(5.0e-5);
if((t1a -2.0*pwC) > 0.0) delay(t1a - 2.0*pwC);
decrgpulse(2.0*pwC, zero, 0.0, 0.0);
delay(t1b);
rgpulse(2.0*pw, zero, 0.0, 0.0);
zgradpulse(gzlvl0, gt0); /* 2.0*GRADIENT_DELAY */
txphase(t3);
delay(5.0e-5);
delay(t1c);
/* point b */
rgpulse(pw, t3, 0.0, 0.0);
zgradpulse(gzlvl3, gt3);
delay(2.0e-4);
decrgpulse(pwC, zero, 0.0, 0.0);
/* point c */
zgradpulse(gzlvl4, gt4);
decpwrf(rf2);
delay(timeAB - gt4);
simpulse(2*pw, pwC2, zero, zero, 0.0, 0.0);
zgradpulse(gzlvl4, gt4);
delay(timeAB - gt4);
/* point d */
/* ghc_co_nh STOPS HERE */
/* gcbca_co_nh STARTS HERE */
decpwrf(rf1); /* point b */
decrgpulse(pwC1, zero, 2.0e-6, 0.0);
obspwrf(tpwr1); obspower(tpwr-6); /* POWER_DELAY */
obsprgon("dipsi2", pwH, 5.0); /* PRG_START_DELAY */
xmtron();
/* point c */
decpwrf(rf0);
decphase(t5);
delay(zeta - 2.0*POWER_DELAY - PRG_START_DELAY - 0.5*10.933*pwC);
decrgpulse(pwC*158.0/90.0, t5, 0.0, 0.0);
decrgpulse(pwC*171.2/90.0, t6, 0.0, 0.0);
decrgpulse(pwC*342.8/90.0, t5, 0.0, 0.0); /* Shaka composite */
decrgpulse(pwC*145.5/90.0, t6, 0.0, 0.0);
decrgpulse(pwC*81.2/90.0, t5, 0.0, 0.0);
decrgpulse(pwC*85.3/90.0, t6, 0.0, 0.0);
decpwrf(rf1);
decphase(zero);
delay(zeta - 0.5*10.933*pwC - 0.5*pwC1);
/* point d */
decrgpulse(pwC1, zero, 0.0, 0.0);
decphase(t5);
decpwrf(rf5);
if ( dm3[B] == 'y' ) /* turns off 2H decoupling */
{
setstatus(DEC3ch, FALSE, 'c', FALSE, dmf3);
dec3rgpulse(1/dmf3,three,2.0e-6,2.0e-6);
dec3blank();
lk_autotrig(); /* resumes lock pulsing */
}
zgradpulse(gzlvl3, gt3);
delay(2.0e-4);
decshaped_pulse("offC5", pwC5, t5, 0.0, 0.0);
/* point e */
decpwrf(rf4);
decphase(zero);
delay(eta);
decshaped_pulse("offC4", pwC4, zero, 0.0, 0.0);
decpwrf(rf7);
dec2phase(zero);
delay(theta - eta - pwC4 - WFG3_START_DELAY);
/* WFG3_START_DELAY */
sim3shaped_pulse("", "offC7", "", 0.0, pwC7, 2.0*pwN, zero, zero, zero,
0.0, 0.0);
decpwrf(rf5);
decpwrf(rf5);
initval(phi7cal, v7);
decstepsize(1.0);
dcplrphase(v7); /* SAPS_DELAY */
dec2phase(t8);
delay(theta - SAPS_DELAY);
/* point f */
decshaped_pulse("offC5", pwC5, zero, 0.0, 0.0);
/* xxxxxxxxxxxxxxxxxx OPTIONS FOR N15 EVOLUTION xxxxxxxxxxxxxxxxxxxxx */
zgradpulse(gzlvl3, gt3);
if (TROSY[A]=='y') { xmtroff(); obsprgoff(); }
delay(2.0e-4);
dcplrphase(zero);
dec2rgpulse(pwN, t8, 0.0, 0.0);
decpwrf(rf7);
decphase(zero);
dec2phase(t9);
delay(timeTN - WFG3_START_DELAY - tau2);
/* WFG3_START_DELAY */
sim3shaped_pulse("", "offC7", "", 0.0, pwC7, 2.0*pwN, zero, zero, t9,
0.0, 0.0);
dec2phase(t10);
decpwrf(rf4);
if (TROSY[A]=='y')
{
if (tau2 > gt1 + 2.0*GRADIENT_DELAY + 1.0e-4)
{
txphase(t4);
delay(timeTN - pwC4 - WFG_START_DELAY); /* WFG_START_DELAY */
decshaped_pulse("offC4", pwC4, zero, 0.0, 0.0);
delay(tau2 - gt1 - 2.0*GRADIENT_DELAY - 1.0e-4);
if (mag_flg[A]=='y') magradpulse(gzcal*gzlvl1, gt1);
else zgradpulse(gzlvl1, gt1); /* 2.0*GRADIENT_DELAY */
obspwrf(4095.0); obspower(tpwr); /* POWER_DELAY */
delay(1.0e-4 - 2.0*POWER_DELAY);
}
else
{
txphase(t4);
delay(timeTN -pwC4 -WFG_START_DELAY -gt1 -2.0*GRADIENT_DELAY -1.0e-4);
if (mag_flg[A]=='y') magradpulse(gzcal*gzlvl1, gt1);
else zgradpulse(gzlvl1, gt1); /* 2.0*GRADIENT_DELAY */
obspwrf(4095.0); obspower(tpwr); /* POWER_DELAY */
delay(1.0e-4 - 2.0*POWER_DELAY); /* WFG_START_DELAY */
decshaped_pulse("offC4", pwC4, zero, 0.0, 0.0);
delay(tau2);
}
}
else
{
if (tau2 > kappa)
{
delay(timeTN - pwC4 - WFG_START_DELAY); /* WFG_START_DELAY */
decshaped_pulse("offC4", pwC4, zero, 0.0, 0.0);
delay(tau2 - kappa - PRG_STOP_DELAY);
xmtroff();
obsprgoff(); /* PRG_STOP_DELAY */
txphase(t4);
delay(kappa - gt1 - 2.0*GRADIENT_DELAY - 1.0e-4);
if (mag_flg[A]=='y') magradpulse(gzcal*gzlvl1, gt1);
else zgradpulse(gzlvl1, gt1); /* 2.0*GRADIENT_DELAY */
obspwrf(4095.0); obspower(tpwr); /* POWER_DELAY */
delay(1.0e-4 - 2.0*POWER_DELAY);
}
else if (tau2 > (kappa - pwC4 - WFG_START_DELAY))
{
delay(timeTN + tau2 - kappa - PRG_STOP_DELAY);
xmtroff();
obsprgoff(); /* PRG_STOP_DELAY */
txphase(t4); /* WFG_START_DELAY */
decshaped_pulse("offC4", pwC4, zero, 0.0, 0.0);
delay(kappa -pwC4 -WFG_START_DELAY -gt1 -2.0*GRADIENT_DELAY -1.0e-4);
if (mag_flg[A]=='y') magradpulse(gzcal*gzlvl1, gt1);
else zgradpulse(gzlvl1, gt1); /* 2.0*GRADIENT_DELAY */
obspwrf(4095.0); obspower(tpwr); /* POWER_DELAY */
delay(1.0e-4 - 2.0*POWER_DELAY);
}
else if (tau2 > gt1 + 2.0*GRADIENT_DELAY + 1.0e-4)
{
delay(timeTN + tau2 - kappa - PRG_STOP_DELAY);
xmtroff();
obsprgoff(); /* PRG_STOP_DELAY */
txphase(t4);
delay(kappa - tau2 - pwC4 - WFG_START_DELAY); /* WFG_START_DELAY */
decshaped_pulse("offC4", pwC4, zero, 0.0, 0.0);
delay(tau2 - gt1 - 2.0*GRADIENT_DELAY - 1.0e-4);
if (mag_flg[A]=='y') magradpulse(gzcal*gzlvl1, gt1);
else zgradpulse(gzlvl1, gt1); /* 2.0*GRADIENT_DELAY */
obspwrf(4095.0); obspower(tpwr); /* POWER_DELAY */
delay(1.0e-4 - 2.0*POWER_DELAY);
}
else
{
delay(timeTN + tau2 - kappa - PRG_STOP_DELAY);
xmtroff();
obsprgoff(); /* PRG_STOP_DELAY */
txphase(t4);
delay(kappa-tau2-pwC4-WFG_START_DELAY-gt1-2.0*GRADIENT_DELAY-1.0e-4);
if (mag_flg[A]=='y') magradpulse(gzcal*gzlvl1, gt1);
else zgradpulse(gzlvl1, gt1); /* 2.0*GRADIENT_DELAY */
obspwrf(4095.0); obspower(tpwr); /* POWER_DELAY */
delay(1.0e-4 - 2.0*POWER_DELAY); /* WFG_START_DELAY */
decshaped_pulse("offC4", pwC4, zero, 0.0, 0.0);
delay(tau2);
}
} /* point g */
/* xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx */
if (TROSY[A]=='y') rgpulse(pw, t4, 0.0, 0.0);
else sim3pulse(pw, 0.0, pwN, t4, zero, t10, 0.0, 0.0);
txphase(zero);
dec2phase(zero);
zgradpulse(gzlvl5, gt5);
if (TROSY[A]=='y') delay(lambda - 0.65*(pw + pwN) - gt5);
else delay(lambda - 1.3*pwN - gt5);
sim3pulse(2.0*pw, 0.0, 2.0*pwN, zero, zero, zero, 0.0, 0.0);
zgradpulse(gzlvl5, gt5);
txphase(one);
dec2phase(t11);
delay(lambda - 1.3*pwN - gt5);
sim3pulse(pw, 0.0, pwN, one, zero, t11, 0.0, 0.0);
txphase(zero);
dec2phase(zero);
zgradpulse(gzlvl6, gt5);
delay(lambda - 1.3*pwN - gt5);
sim3pulse(2.0*pw, 0.0, 2.0*pwN, zero, zero, zero, 0.0, 0.0);
dec2phase(t10);
zgradpulse(gzlvl6, gt5);
if (TROSY[A]=='y') delay(lambda - 1.6*pwN - gt5);
else delay(lambda - 0.65*pwN - gt5);
if (TROSY[A]=='y') dec2rgpulse(pwN, t10, 0.0, 0.0);
else rgpulse(pw, zero, 0.0, 0.0);
delay((gt1/10.0) + 1.0e-4 +gstab - 0.5*pw + 2.0*GRADIENT_DELAY + POWER_DELAY);
rgpulse(2.0*pw, zero, 0.0, rof1);
dec2power(dpwr2); /* POWER_DELAY */
if (mag_flg[A] == 'y') magradpulse(icosel*gzcal*gzlvl2, gt1/10.0);
else zgradpulse(icosel*gzlvl2, gt1/10.0); /* 2.0*GRADIENT_DELAY */
delay(gstab);
rcvron();
statusdelay(C,1.0e-4 - rof1);
if (dm3[B]=='y') lk_sample();
setreceiver(t12);
}
void pulsesequence()
{
/* DECLARE AND LOAD VARIABLES */
char f1180[MAXSTR], /* Flag to start t1 @ halfdwell */
f2180[MAXSTR], /* Flag to start t2 @ halfdwell */
mag_flg[MAXSTR], /* magic-angle coherence transfer gradients */
TROSY[MAXSTR]; /* To check for TROSY flag */
int icosel, /* used to get n and p type */
t1_counter, /* used for states tppi in t1 */
t2_counter, /* used for states tppi in t2 */
ni2 = getval("ni2");
double p_d,
rfd,
ncyc,
COmix = getval("COmix"),
p_trim,
rftrim,
tau1, /* t1 delay */
tau2, /* t2 delay */
timeTN = getval("timeTN"), /* constant time for 15N evolution */
kappa = 5.4e-3,
lambda = 2.4e-3,
pwClvl = getval("pwClvl"), /* coarse power for C13 pulse */
pwC = getval("pwC"), /* C13 90 degree pulse length at pwClvl */
rf0, /* maximum fine power when using pwC pulses */
/* the following pulse lengths for SLP pulses are automatically calculated */
/* by the macro "proteincal". SLP pulse shapes, "offC3" etc are called */
/* directly from your shapelib. */
pwC3 = getval("pwC3"), /*180 degree pulse at Ca(56ppm) null at CO(174ppm) */
pwC3a = getval("pwC3a"), /* pwC3a=pwC3, but not set to zero when pwC3=0 */
phshift3, /* phase shift induced on CO by pwC3 ("offC3") pulse */
pwZ, /* the largest of pwC3 and 2.0*pwN */
pwZ1, /* the largest of pwC3a and 2.0*pwN for 1D experiments */
pwC6 = getval("pwC6"), /* 90 degree selective sinc pulse on CO(174ppm) */
pwC8 = getval("pwC8"), /* 180 degree selective sinc pulse on CO(174ppm) */
rf3, /* fine power for the pwC3 ("offC3") pulse */
rf6, /* fine power for the pwC6 ("offC6") pulse */
rf8, /* fine power for the pwC8 ("offC8") pulse */
compH = getval("compH"), /* adjustment for C13 amplifier compression */
compC = getval("compC"), /* adjustment for C13 amplifier compression */
pwHs = getval("pwHs"), /* H1 90 degree pulse length at tpwrs */
tpwrsf = getval("tpwrsf"), /* fine power adjustment for flipback */
tpwrs, /* power for the pwHs ("H2Osinc") pulse */
pwHd, /* H1 90 degree pulse length at tpwrd */
tpwrd, /* rf for WALTZ decoupling */
waltzB1 = getval("waltzB1"), /* waltz16 field strength (in Hz) */
pwNlvl = getval("pwNlvl"), /* power for N15 pulses */
pwN = getval("pwN"), /* N15 90 degree pulse length at pwNlvl */
sw1 = getval("sw1"),
sw2 = getval("sw2"),
gt1 = getval("gt1"), /* coherence pathway gradients */
gzcal = getval("gzcal"), /* g/cm to DAC conversion factor */
gzlvl1 = getval("gzlvl1"),
gzlvl2 = getval("gzlvl2"),
gt0 = getval("gt0"), /* other gradients */
gt3 = getval("gt3"),
gt4 = getval("gt4"),
gt5 = getval("gt5"),
gstab = getval("gstab"),
gzlvl0 = getval("gzlvl0"),
gzlvl3 = getval("gzlvl3"),
gzlvl4 = getval("gzlvl4"),
gzlvl5 = getval("gzlvl5"),
gzlvl6 = getval("gzlvl6");
getstr("f1180",f1180);
getstr("f2180",f2180);
getstr("mag_flg",mag_flg);
getstr("TROSY",TROSY);
/* LOAD PHASE TABLE */
settable(t3,2,phi3);
settable(t4,1,phx);
settable(t5,4,phi5);
settable(t8,1,phx);
settable(t9,8,phi9);
settable(t10,1,phx);
settable(t11,1,phy);
settable(t12,4,rec);
/* INITIALIZE VARIABLES */
if( dpwrf < 4095 )
{ printf("reset dpwrf=4095 and recalibrate C13 90 degree pulse");
psg_abort(1); }
/* maximum fine power for pwC pulses */
rf0 = 4095.0;
/* 180 degree pulse on Ca, null at CO 118ppm away */
rf3 = (compC*4095.0*pwC*2.0)/pwC3a;
rf3 = (int) (rf3 + 0.5);
/* the pwC3 pulse at the middle of t1 */
if ((ni2 > 0.0) && (ni == 1.0)) ni = 0.0;
if (pwC3a > 2.0*pwN) pwZ = pwC3a; else pwZ = 2.0*pwN;
if ((pwC3==0.0) && (pwC3a>2.0*pwN)) pwZ1=pwC3a-2.0*pwN; else pwZ1=0.0;
if ( ni > 1 ) pwC3 = pwC3a;
if ( pwC3 > 0 ) phshift3 = 48.0;
else phshift3 = 0.0;
/* 90 degree one-lobe sinc pulse on CO, null at Ca 118ppm away */
rf6 = (compC*4095.0*pwC*1.69)/pwC6; /* needs 1.69 times more */
rf6 = (int) (rf6 + 0.5); /* power than a square pulse */
/* 180 degree one-lobe sinc pulse on CO, null at Ca 118ppm away */
rf8 = (compC*4095.0*pwC*2.0*1.65)/pwC8; /* needs 1.65 times more */
rf8 = (int) (rf8 + 0.5); /* power than a square pulse */
/* selective H20 one-lobe sinc pulse */
tpwrs = tpwr - 20.0*log10(pwHs/(compH*pw*1.69)); /* needs 1.69 times more */
tpwrs = (int) (tpwrs); /* power than a square pulse */
/* power level and pulse time for WALTZ 1H decoupling */
pwHd = 1/(4.0 * waltzB1) ;
tpwrd = tpwr - 20.0*log10(pwHd/(compH*pw));
tpwrd = (int) (tpwrd + 0.5);
/* dipsi-3 decoupling on COCO */
p_trim = 1/(4*5000*(sfrq/600.0)); /* 5 kHz trim pulse at 600MHz as per Bax */
p_d = (5.0)/(9.0*4.0*2800.0*(sfrq/600.0)); /* 2.8 kHz DIPSI-3 at 600MHz as per Bax*/
rftrim = (compC*4095.0*pwC)/p_trim;
rftrim = (int)(rftrim+0.5);
rfd = (compC*4095.0*pwC*5.0)/(p_d*9.0);
rfd = (int) (rfd + 0.5);
ncyc = ((COmix - 0.002)/51.8/4/p_d);
ncyc = (int) (ncyc + 0.5);
initval(ncyc,v9);
/* CHECK VALIDITY OF PARAMETER RANGES */
if ( 0.5*ni2*1/(sw2) > timeTN - WFG3_START_DELAY)
{ printf(" ni2 is too big. Make ni2 equal to %d or less.\n",
((int)((timeTN - WFG3_START_DELAY)*2.0*sw2))); psg_abort(1);}
if ( dm[A] == 'y' || dm[B] == 'y' || dm[C] == 'y' )
{ printf("incorrect dec1 decoupler flags! Should be 'nnn' "); psg_abort(1);}
if ( dm2[A] == 'y' || dm2[B] == 'y' )
{ printf("incorrect dec2 decoupler flags! Should be 'nny' "); psg_abort(1);}
if ( dpwr2 > 50 )
{ printf("dpwr2 too large! recheck value "); psg_abort(1);}
if ( pw > 50.0e-6 )
{ printf(" pw too long ! recheck value "); psg_abort(1);}
if ( (pwN > 100.0e-6) && (ni>1 || ni2>1))
{ printf(" pwN too long! recheck value "); psg_abort(1);}
if ( TROSY[A] == 'y')
{ printf(" TROSY option is not implemented"); psg_abort(1);}
/* PHASES AND INCREMENTED TIMES */
/* Phase incrementation for hypercomplex 2D data, States-Haberkorn element */
if (phase1 == 2) tsadd(t3,1,4);
if (phase2 == 2)
{tsadd(t10,2,4); icosel = +1;}
else
icosel = -1;
/* Set up f1180 */
tau1 = d2;
if((f1180[A] == 'y') && (ni > 1.0))
{ tau1 += ( 1.0 / (2.0*sw1) ); if(tau1 < 0.2e-6) tau1 = 0.0; }
/* Set up f2180 */
tau2 = d3;
if((f2180[A] == 'y') && (ni2 > 1.0))
{ tau2 += ( 1.0 / (2.0*sw2) ); if(tau2 < 0.2e-6) tau2 = 0.0; }
tau2 = tau2/2.0;
/* Calculate modifications to phases for States-TPPI acquisition */
if( ix == 1) d2_init = d2;
t1_counter = (int) ( (d2-d2_init)*sw1 + 0.5 );
if(t1_counter % 2)
{ tsadd(t3,2,4); tsadd(t12,2,4); }
if( ix == 1) d3_init = d3;
t2_counter = (int) ( (d3-d3_init)*sw2 + 0.5 );
if(t2_counter % 2)
{ tsadd(t8,2,4); tsadd(t12,2,4); }
/* BEGIN PULSE SEQUENCE */
status(A);
delay(d1);
rcvroff();
obspower(tpwr);
decpower(pwClvl);
dec2power(pwNlvl);
decpwrf(rf0);
obsoffset(tof);
txphase(zero);
delay(1.0e-5);
dec2rgpulse(pwN, zero, 0.0, 0.0); /*destroy N15 and C13 magnetization*/
decrgpulse(pwC, zero, 0.0, 0.0);
zgradpulse(gzlvl0, 0.5e-3);
delay(1.0e-4);
dec2rgpulse(pwN, one, 0.0, 0.0);
decrgpulse(pwC, zero, 0.0, 0.0);
zgradpulse(0.7*gzlvl0, 0.5e-3);
delay(5.0e-4);
rgpulse(pw,zero,0.0,0.0); /* 1H pulse excitation */
dec2phase(zero);
zgradpulse(gzlvl0, gt0);
delay(lambda - gt0);
sim3pulse(2.0*pw, 0.0, 2.0*pwN, zero, zero, zero, 0.0, 0.0);
txphase(one);
zgradpulse(gzlvl0, gt0);
delay(lambda - gt0);
rgpulse(pw, one, 0.0, 0.0);
txphase(zero);
if (tpwrsf<4095.0) {obspower(tpwrs+6.0); obspwrf(tpwrsf);}
else obspower(tpwrs);
shaped_pulse("H2Osinc", pwHs, zero, 5.0e-4, 0.0);
obspower(tpwrd); obspwrf(4095.0);
zgradpulse(gzlvl3, gt3);
delay(2.0e-4);
dec2rgpulse(pwN, zero, 0.0, 0.0);
txphase(one);
delay(kappa - pwHd - 2.0e-6 - PRG_START_DELAY);
rgpulse(pwHd,one,0.0,0.0);
txphase(zero);
delay(2.0e-6);
obsprgon("waltz16", pwHd, 90.0); /* PRG_START_DELAY */
xmtron();
decphase(zero);
dec2phase(zero);
decpwrf(rf8);
delay(timeTN - kappa - WFG3_START_DELAY);
/* WFG3_START_DELAY */
sim3shaped_pulse("", "offC8", "", 0.0, pwC8, 2.0*pwN, zero, zero, zero,
0.0, 0.0);
decphase(t3);
decpwrf(rf6);
delay(timeTN);
dec2rgpulse(pwN, zero, 0.0, 0.0);
xmtroff();
obsprgoff();
rgpulse(pwHd,three,2.0e-6,0.0);
zgradpulse(gzlvl3, gt3);
delay(2.0e-4);
/***************************************************************/
/* The sequence is different from here with respect to ghn_co **/
/***************************************************************/
rgpulse(pwHd,one,2.0e-6,0.0); /* H1 decoupler is turned on */
txphase(zero);
delay(2.0e-6);
obsprgon("waltz16", pwHd, 90.0);
xmtron();
decshaped_pulse("offC6", pwC6, t3, 0.0, 0.0);
decphase(zero);
/* Refocus CO, evolve CO, spinlock CO and defocus CO */
delay(timeTN - tau1/2 - 0.6*pwC6 - WFG3_START_DELAY);
decpwrf(rf8);
sim3shaped_pulse("", "offC8","",0.0,pwC8, 2.0*pwN, zero,zero,zero,0.0,0.0);
decpwrf(rf3);
delay(timeTN - WFG3_STOP_DELAY - WFG_START_DELAY - pwC3a/2);
decshaped_pulse("offC3",pwC3a,zero,0.0,0.0);
if (tau1 > 0)
delay(tau1/2 - WFG_STOP_DELAY - pwC3a/2 - 2.0e-6);
else
delay(tau1/2);
/*******DO SPINLOCK ********/
decpwrf(rftrim);
decrgpulse(0.002,zero,2.0e-6,0.0);
decpwrf(rfd);
starthardloop(v9);
decrgpulse(6.4*p_d,zero,0.0,0.0);
decrgpulse(8.2*p_d,two,0.0,0.0);
decrgpulse(5.8*p_d,zero,0.0,0.0);
decrgpulse(5.7*p_d,two,0.0,0.0);
decrgpulse(0.6*p_d,zero,0.0,0.0);
decrgpulse(4.9*p_d,two,0.0,0.0);
decrgpulse(7.5*p_d,zero,0.0,0.0);
decrgpulse(5.3*p_d,two,0.0,0.0);
decrgpulse(7.4*p_d,zero,0.0,0.0);
decrgpulse(6.4*p_d,two,0.0,0.0);
decrgpulse(8.2*p_d,zero,0.0,0.0);
decrgpulse(5.8*p_d,two,0.0,0.0);
decrgpulse(5.7*p_d,zero,0.0,0.0);
decrgpulse(0.6*p_d,two,0.0,0.0);
decrgpulse(4.9*p_d,zero,0.0,0.0);
decrgpulse(7.5*p_d,two,0.0,0.0);
decrgpulse(5.3*p_d,zero,0.0,0.0);
decrgpulse(7.4*p_d,two,0.0,0.0);
decrgpulse(6.4*p_d,two,0.0,0.0);
decrgpulse(8.2*p_d,zero,0.0,0.0);
decrgpulse(5.8*p_d,two,0.0,0.0);
decrgpulse(5.7*p_d,zero,0.0,0.0);
decrgpulse(0.6*p_d,two,0.0,0.0);
decrgpulse(4.9*p_d,zero,0.0,0.0);
decrgpulse(7.5*p_d,two,0.0,0.0);
decrgpulse(5.3*p_d,zero,0.0,0.0);
decrgpulse(7.4*p_d,two,0.0,0.0);
decrgpulse(6.4*p_d,zero,0.0,0.0);
decrgpulse(8.2*p_d,two,0.0,0.0);
decrgpulse(5.8*p_d,zero,0.0,0.0);
decrgpulse(5.7*p_d,two,0.0,0.0);
decrgpulse(0.6*p_d,zero,0.0,0.0);
decrgpulse(4.9*p_d,two,0.0,0.0);
decrgpulse(7.5*p_d,zero,0.0,0.0);
decrgpulse(5.3*p_d,two,0.0,0.0);
decrgpulse(7.4*p_d,zero,0.0,0.0);
endhardloop();
decpwrf(4095.0);
/* End of spinlock */
delay(timeTN - WFG3_START_DELAY);
decpwrf(rf8);
sim3shaped_pulse("","offC8","",0.0,pwC8,2*pwN,zero,zero,zero,0.0,0.0);
decpwrf(rf6);
delay(timeTN - WFG3_STOP_DELAY);
/***************************************************************/
/* The sequence is same as ghn_co from this point ********/
/***************************************************************/
decshaped_pulse("offC6", pwC6, t5, 0.0, 0.0);
/* xxxxxxxxxxxxxxxxxx OPTIONS FOR N15 EVOLUTION xxxxxxxxxxxxxxxxxxxxx */
dec2phase(t8);
zgradpulse(gzlvl4, gt4);
txphase(one);
dcplrphase(zero);
delay(2.0e-4);
dec2rgpulse(pwN, t8, 0.0, 0.0);
decphase(zero);
dec2phase(t9);
decpwrf(rf8);
delay(timeTN - WFG3_START_DELAY - tau2);
/* WFG3_START_DELAY */
sim3shaped_pulse("", "offC8", "", 0.0, pwC8, 2.0*pwN, zero, zero, t9, 0.0, 0.0);
dec2phase(t10);
decpwrf(rf3);
if (tau2 > kappa)
{
delay(timeTN - pwC3a - WFG_START_DELAY); /* WFG_START_DELAY */
decshaped_pulse("offC3", pwC3a, zero, 0.0, 0.0);
delay(tau2 - kappa - PRG_STOP_DELAY - pwHd - 2.0e-6);
xmtroff();
obsprgoff(); /* PRG_STOP_DELAY */
rgpulse(pwHd,three,2.0e-6,0.0);
txphase(t4);
delay(kappa - gt1 - 2.0*GRADIENT_DELAY - 1.0e-4);
if (mag_flg[A]=='y') magradpulse(gzcal*gzlvl1, gt1);
else zgradpulse(gzlvl1, gt1); /* 2.0*GRADIENT_DELAY */
obspower(tpwr); /* POWER_DELAY */
delay(1.0e-4 - POWER_DELAY);
}
else if (tau2 > (kappa - pwC3a - WFG_START_DELAY))
{
delay(timeTN + tau2 - kappa - PRG_STOP_DELAY - pwHd - 2.0e-6);
xmtroff();
obsprgoff(); /* PRG_STOP_DELAY */
rgpulse(pwHd,three,2.0e-6,0.0);
txphase(t4); /* WFG_START_DELAY */
decshaped_pulse("offC3", pwC3a, zero, 0.0, 0.0);
delay(kappa -pwC3a -WFG_START_DELAY -gt1 -2.0*GRADIENT_DELAY -1.0e-4);
if (mag_flg[A]=='y') magradpulse(gzcal*gzlvl1, gt1);
else zgradpulse(gzlvl1, gt1); /* 2.0*GRADIENT_DELAY */
obspower(tpwr); /* POWER_DELAY */
delay(1.0e-4 - POWER_DELAY);
}
else if (tau2 > gt1 + 2.0*GRADIENT_DELAY + 1.0e-4)
{
delay(timeTN + tau2 - kappa - PRG_STOP_DELAY - pwHd - 2.0e-6);
xmtroff();
obsprgoff(); /* PRG_STOP_DELAY */
rgpulse(pwHd,three,2.0e-6,0.0);
txphase(t4);
delay(kappa - tau2 - pwC3a - WFG_START_DELAY); /* WFG_START_DELAY */
decshaped_pulse("offC3", pwC3a, zero, 0.0, 0.0);
delay(tau2 - gt1 - 2.0*GRADIENT_DELAY - 1.0e-4);
if (mag_flg[A]=='y') magradpulse(gzcal*gzlvl1, gt1);
else zgradpulse(gzlvl1, gt1); /* 2.0*GRADIENT_DELAY */
obspower(tpwr); /* POWER_DELAY */
delay(1.0e-4 - POWER_DELAY);
}
else
{
delay(timeTN + tau2 - kappa - PRG_STOP_DELAY - pwHd - 2.0e-6);
xmtroff();
obsprgoff(); /* PRG_STOP_DELAY */
rgpulse(pwHd,three,2.0e-6,0.0);
txphase(t4);
delay(kappa-tau2-pwC3a-WFG_START_DELAY-gt1-2.0*GRADIENT_DELAY-1.0e-4);
if (mag_flg[A]=='y') magradpulse(gzcal*gzlvl1, gt1);
else zgradpulse(gzlvl1, gt1); /* 2.0*GRADIENT_DELAY */
obspower(tpwr); /* POWER_DELAY */
delay(1.0e-4 - POWER_DELAY); /* WFG_START_DELAY */
decshaped_pulse("offC3", pwC3a, zero, 0.0, 0.0);
delay(tau2);
}
/* xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx */
sim3pulse(pw, 0.0, pwN, t4, zero, t10, 0.0, 0.0);
txphase(zero);
dec2phase(zero);
zgradpulse(gzlvl5, gt5);
delay(lambda - 1.3*pwN - gt5);
sim3pulse(2.0*pw, 0.0, 2.0*pwN, zero, zero, zero, 0.0, 0.0);
zgradpulse(gzlvl5, gt5);
txphase(one);
dec2phase(t11);
delay(lambda - 1.3*pwN - gt5);
sim3pulse(pw, 0.0, pwN, one, zero, t11, 0.0, 0.0);
txphase(zero);
dec2phase(zero);
zgradpulse(gzlvl6, gt5);
delay(lambda - 1.3*pwN - gt5);
sim3pulse(2.0*pw, 0.0, 2.0*pwN, zero, zero, zero, 0.0, 0.0);
dec2phase(t10);
zgradpulse(gzlvl6, gt5);
delay(lambda - 0.65*pwN - gt5);
rgpulse(pw, zero, 0.0, 0.0);
delay((gt1/10.0) + 1.0e-4 +gstab - 0.5*pw + 2.0*GRADIENT_DELAY + POWER_DELAY);
rgpulse(2.0*pw, zero, 0.0,0.0);
dec2power(dpwr2); /* POWER_DELAY */
if (mag_flg[A] == 'y') magradpulse(icosel*gzcal*gzlvl2, gt1/10.0);
else zgradpulse(icosel*gzlvl2, gt1/10.0); /* 2.0*GRADIENT_DELAY */
delay(gstab);
rcvron();
statusdelay(C,1.0e-4);
setreceiver(t12);
}
void pulsesequence()
{
/* DECLARE AND LOAD VARIABLES */
char f1180[MAXSTR], /* Flag to start t1 @ halfdwell */
mag_flg[MAXSTR], /* magic-angle coherence transfer gradients */
bottom[MAXSTR],
right[MAXSTR],
C13refoc[MAXSTR]; /* C13 sech/tanh pulse in middle of t1*/
int t1_counter; /* used for states tppi in t1 */
double tau1, /* t1 delay */
lambda = 0.91/(4.0*getval("JNH")), /* 1/4J H1 evolution delay */
timeT = getval("timeT"), /* HN->N transfer time: T=15-20ms */
/* the sech/tanh pulse is automatically calculated by the macro "rna_cal", */
/* and is called directly from your shapelib. */
pwClvl = getval("pwClvl"), /* coarse power for C13 pulse */
pwC = getval("pwC"), /* C13 90 degree pulse length at pwClvl */
rfC, /* maximum fine power when using pwC pulses */
rfst, /* fine power for the stCall pulse */
compH = getval("compH"), /* adjustment for H1 amplifier compression */
compC = getval("compC"), /* adjustment for C13 amplifier compression */
pwHs = getval("pwHs"), /* H1 90 degree pulse length at tpwrs */
tpwrs, /* power for the pwHs ("H2Osinc") pulse */
pwNlvl = getval("pwNlvl"), /* power for N15 pulses */
pwN = getval("pwN"), /* N15 90 degree pulse length at pwNlvl */
sw1 = getval("sw1"),
grecov = getval("grecov"), /* Gradient recovery delay, typically 150-200us */
gt1 = getval("gt1"), /* coherence pathway gradients */
gzcal = getval("gzcal"), /* dac to G/cm conversion */
gzlvl1 = getval("gzlvl1"),
gzlvl2 = getval("gzlvl2"),
gt0 = getval("gt0"), /* other gradients */
gt3 = getval("gt3"),
gt5 = getval("gt5"),
gzlvl0 = getval("gzlvl0"),
gzlvl3 = getval("gzlvl3"),
gzlvl5 = getval("gzlvl5");
getstr("mag_flg",mag_flg);
getstr("f1180",f1180);
getstr("C13refoc",C13refoc);
getstr("bottom",bottom);
getstr("right",right);
/* LOAD PHASE TABLE */
settable(t3,4,phi3);
/*settable(t4,1,ph_y);*/
settable(t1,1,phx);
settable(t5,8,phi5);
settable(t6,16,phi6);
if (bottom[A]=='y')
{
settable(t4,1,ph_y);
settable(t7,1,phy);
}
else
{
settable(t4,1,phy);
settable(t7,1,ph_y);
}
if (right[A]=='y')
settable(t10,1,ph_x);
else
settable(t10,1,phx);
settable(t9,1,phx);
settable(t11,1,phy);
settable(t12,4,recT);
/* INITIALIZE VARIABLES */
/* maximum fine power for pwC pulses (and initialize rfst) */
rfC = 4095.0; rfst=0.0;
/* 180 degree adiabatic C13 pulse covers 140ppm */
if (C13refoc[A]=='y')
{rfst = (compC*4095.0*pwC*4000.0*sqrt((21.0*sfrq/600.0+7.0)/0.35));
rfst = (int) (rfst + 0.5);
if ( 1.0/(4000.0*sqrt((21.0*sfrq/600.0+7.0)/0.35)) < pwC )
{ text_error( " Not enough C13 RF. pwC must be %f usec or less.\n",
(1.0e6/(4000.0*sqrt((21.0*sfrq/600.0+7.0)/0.35))) ); psg_abort(1); }}
/* selective H20 one-lobe sinc pulse */
tpwrs = tpwr - 20.0*log10(pwHs/(compH*pw*1.69)); /*needs 1.69 times more*/
tpwrs = (int) (tpwrs); /*power than a square pulse */
/* CHECK VALIDITY OF PARAMETER RANGES */
if((dm[A] == 'y' || dm[B] == 'y' || dm[C] == 'y' ))
{ text_error("incorrect dec1 decoupler flags! Should be 'nnn' "); psg_abort(1); }
if((dm2[A] == 'y' || dm2[B] == 'y' || dm2[C] == 'y' ))
{ text_error("incorrect dec2 decoupler flags! Should be 'nnn' "); psg_abort(1); }
if( pw > 50.0e-6 )
{ text_error("dont fry the probe, pw too high ! "); psg_abort(1); }
if( pwN > 100.0e-6 )
{ text_error("dont fry the probe, pwN too high ! "); psg_abort(1); }
/* PHASES AND INCREMENTED TIMES */
/* Phase incrementation for hypercomplex 2D data, States-Haberkorn element */
if (phase1 == 2)
{tsadd(t3,1,4); tsadd(t5,1,4);}
/* Set up f1180 */
tau1 = d2;
if((f1180[A] == 'y') && (ni > 1.0))
{ tau1 += ( 1.0 / (2.0*sw1) ); if(tau1 < 0.2e-6) tau1 = 0.0; }
tau1 = tau1/2.0;
/* Calculate modifications to phases for States-TPPI acquisition */
if( ix == 1) d2_init = d2;
t1_counter = (int) ( (d2-d2_init)*sw1 + 0.5 );
if(t1_counter % 2)
{ tsadd(t3,2,4); tsadd(t5,2,4); tsadd(t12,2,4); }
/* BEGIN PULSE SEQUENCE */
status(A);
obspower(tpwr);
decpower(pwClvl);
decpwrf(rfC);
dec2power(pwNlvl);
txphase(zero);
decphase(zero);
dec2phase(zero);
dec2offset(dof2-(10*dfrq2));
delay(d1);
status(B);
rcvroff();
decrgpulse(pwC, zero, 0.0, 0.0); /*destroy C13 magnetization*/
zgradpulse(gzlvl0, 0.5e-3);
delay(grecov/2);
decrgpulse(pwC, one, 0.0, 0.0);
zgradpulse(0.7*gzlvl0, 0.5e-3);
decpwrf(rfst);
txphase(t1);
delay(5.0e-4);
rgpulse(pw,t1,0.0,0.0); /* 1H pulse excitation */
txphase(zero);
dec2phase(zero);
zgradpulse(gzlvl0, gt0);
delay(lambda - gt0);
sim3pulse(2.0*pw, 0.0, 2.0*pwN, zero, zero, zero, 0.0, 0.0);
txphase(one);
zgradpulse(gzlvl0, gt0);
delay(lambda - gt0);
rgpulse(pw, one, 0.0, 0.0);
txphase(two);
obspower(tpwrs);
shaped_pulse("H2Osinc", pwHs, two, 5.0e-5, 0.0);
obspower(tpwr);
zgradpulse(gzlvl3, gt3);
dec2phase(t3);
delay(grecov);
dec2rgpulse(pwN, t3, 0.0, 0.0);
txphase(zero);
decphase(zero);
delay(timeT - 2.0*SAPS_DELAY);
dec2rgpulse(2.0*pwN, zero, 0.0, 0.0);
dec2phase(t5);
delay(timeT - SAPS_DELAY);
dec2rgpulse(pwN, t5, 0.0, 0.0);
dec2phase(t6);
if ( (C13refoc[A]=='y') && (tau1 > 0.5e-3 + WFG2_START_DELAY) )
{delay(tau1 - 0.5e-3 - WFG2_START_DELAY); /* WFG2_START_DELAY */
decshaped_pulse("rna_stC140", 1.0e-3, zero, 0.0, 0.0);
delay(tau1 - 0.5e-3);}
else delay(2.0*tau1);
dec2rgpulse(pwN, t6, 0.0, 0.0);
dec2phase(t9);
delay(timeT - lambda - SAPS_DELAY);
dec2rgpulse(2.0*pwN, t9, 0.0, 0.0);
delay(timeT - lambda - gt1 - 2.0*GRADIENT_DELAY - pwHs - 1.5e-4 - 2.0*POWER_DELAY - SAPS_DELAY);
if (mag_flg[A] == 'y') magradpulse(gzcal*gzlvl1, gt1);
else zgradpulse(gzlvl1, gt1);
txphase(t7);
obspower(tpwrs);
shaped_pulse("H2Osinc", pwHs, t7, 1.0e-4, 0.0);
txphase(t4);
obspower(tpwr);
delay(5.0e-5);
rgpulse(pw, t4, 0.0, 0.0);
txphase(one);
dec2phase(zero);
zgradpulse(gzlvl5, gt5);
delay(lambda - 0.65*(pw + pwN) - gt5);
sim3pulse(2.0*pw, 0.0, 2.0*pwN, one, zero, zero, 0.0, 0.0);
txphase(two);
dec2phase(t11);
zgradpulse(gzlvl5, gt5);
delay(lambda - 1.3*pwN - gt5);
sim3pulse(pw, 0.0, pwN, two, zero, t11, 0.0, 0.0);
txphase(zero);
dec2phase(zero);
zgradpulse(1.5*gzlvl5, gt5);
delay(lambda - 1.3*pwN - gt5);
sim3pulse(2.0*pw, 0.0, 2.0*pwN, zero, zero, zero, 0.0, 0.0);
dec2phase(t10);
zgradpulse(1.5*gzlvl5, gt5);
delay(lambda - 1.6*pwN - gt5);
dec2rgpulse(pwN, t10, 0.0, 0.0);
delay((gt1/10.0) + 1.0e-4 - 0.65*pw + 2.0*GRADIENT_DELAY + POWER_DELAY);
rgpulse(2.0*pw, zero, 0.0, rof2);
dec2power(dpwr2); /* POWER_DELAY */
if (mag_flg[A] == 'y') magradpulse(gzcal*gzlvl2, 0.1*gt1);
else zgradpulse(gzlvl2, 0.1*gt1); /* 2.0*GRADIENT_DELAY */
statusdelay(C,1.0e-4-rof2);
setreceiver(t12);
}
void pulsesequence()
{
/* DECLARE AND LOAD VARIABLES */
char f1180[MAXSTR], /* Flag to start t1 @ halfdwell */
mag_flg[MAXSTR], /*magic angle gradient*/
f2180[MAXSTR], /* Flag to start t2 @ halfdwell */
stCdec[MAXSTR], /* calls STUD+ waveforms from shapelib */
STUD[MAXSTR]; /* apply automatically calculated STUD decoupling */
int icosel1, /* used to get n and p type */
icosel2,
t1_counter, /* used for states tppi in t1 */
t2_counter, /* used for states tppi in t2 */
ni2 = getval("ni2");
double tau1, /* t1 delay */
tau2, /* t2 delay */
del = getval("del"), /* time delays for CH coupling evolution */
BPdpwrspinlock, /* user-defined upper limit for spinlock(Hz) */
BPpwrlimits, /* =0 for no limit, =1 for limit */
del1 = getval("del1"),
del2 = getval("del2"),
/* STUD+ waveforms automatically calculated by macro "biocal" */
/* and string parameter stCdec calls them from your shapelib. */
stdmf, /* dmf for STUD decoupling */
studlvl, /* coarse power for STUD+ decoupling */
rf80 = getval("rf80"), /* rf in Hz for 80ppm STUD+ */
bw, ofs, ppm, /* temporary Pbox parameters */
pwClvl = getval("pwClvl"), /* coarse power for C13 pulse */
pwC = getval("pwC"), /* C13 90 degree pulse length at pwClvl */
rf0, /* maximum fine power when using pwC pulses */
/* p_d is used to calculate the isotropic mixing on the Cab region */
spinlock = getval("spinlock"), /* DIPSI-3 spinlock field strength in Hz */
p_d, /* 50 degree pulse for DIPSI-2 at rfd */
rfd, /* fine power for 7 kHz rf for 500MHz magnet */
ncyc = getval("ncyc"), /* no. of cycles of DIPSI-3 */
/* the following pulse lengths for SLP pulses are automatically calculated */
/* by the macro "ghcch_tocsy" . SLP pulse shapes, "offC10" etc are called */
/* directly from your shapelib. */
pwC10, /* 180 degree selective sinc pulse on CO(174ppm) */
pwZ, /* the largest of pwC10 and 2.0*pwN */
rf10, /* fine power for the pwC10 ("offC10") pulse */
compC = getval("compC"), /* adjustment for C13 amplifier compression */
pwNlvl = getval("pwNlvl"), /* power for N15 pulses */
pwN = getval("pwN"), /* N15 90 degree pulse length at pwNlvl */
sw1 = getval("sw1"),
sw2 = getval("sw2"),
gt1 = getval("gt1"), /* coherence pathway gradients */
gzcal = getval("gzcal"), /* G/cm to DAC coversion factor*/
gzlvl1 = getval("gzlvl1"),
gzlvl2 = getval("gzlvl2"),
gt3 = getval("gt3"), /* other gradients */
gt5 = getval("gt5"),
gzlvl3 = getval("gzlvl3"),
gzlvl4 = getval("gzlvl4"),
gzlvl5 = getval("gzlvl5"),
gzlvl6 = getval("gzlvl6");
getstr("STUD",STUD);
getstr("mag_flg",mag_flg);
getstr("f1180",f1180);
getstr("f2180",f2180);
strcpy(stCdec, "stCdec80");
stdmf = getval("dmf80");
studlvl = pwClvl + 20.0*log10(compC*pwC*4.0*rf80);
studlvl = (int) (studlvl + 0.5);
P_getreal(GLOBAL,"BPpwrlimits",&BPpwrlimits,1);
P_getreal(GLOBAL,"BPdpwrspinlock",&BPdpwrspinlock,1);
/* LOAD PHASE TABLE */
settable(t3,2,phi3);
settable(t6,1,phi6);
settable(t5,4,phi5);
settable(t10,1,phi10);
settable(t11,4,rec);
/* INITIALIZE VARIABLES */
if (BPpwrlimits > 0.5)
{
if (spinlock > BPdpwrspinlock)
{
spinlock = BPdpwrspinlock;
printf("spinlock too large, reset to user-defined limit (BPdpwrspinlock)");
psg_abort(1);
}
}
if( dpwrf < 4095 )
{ printf("reset dpwrf=4095 and recalibrate C13 90 degree pulse");
psg_abort(1); }
/* maximum fine power for pwC pulses */
rf0 = 4095.0;
setautocal(); /* activate auto-calibration flags */
if (autocal[0] == 'n')
{
/* "offC10": 180 degree one-lobe sinc pulse on CO, null at Ca 139ppm away */
pwC10 = getval("pwC10");
rf10 = (compC*4095.0*pwC*2.0*1.65)/pwC10; /* needs 1.65 times more */
rf10 = (int) (rf10 + 0.5); /* power than a square pulse */
if( pwC > (24.0e-6*600.0/sfrq) )
{ printf("Increase pwClvl so that pwC < 24*600/sfrq");
psg_abort(1);
}
}
else /* if autocal = 'y'(yes), 'q'(quiet), r(read), or 's'(semi) */
{
if(FIRST_FID) /* call Pbox */
{
ppm = getval("dfrq");
bw = 118.0*ppm; ofs = 139.0*ppm;
offC10 = pbox_make("offC10", "sinc180n", bw, ofs, compC*pwC, pwClvl);
if(dm3[B] == 'y') H2ofs = 3.2;
ofs_check(H1ofs, C13ofs, N15ofs, H2ofs);
}
rf10 = offC10.pwrf; pwC10 = offC10.pw;
}
/* dipsi-3 decoupling on CbCa */
p_d = (5.0)/(9.0*4.0*spinlock); /* DIPSI-3 Field Strength */
rfd = (compC*4095.0*pwC*5.0)/(p_d*9.0);
rfd = (int) (rfd + 0.5);
ncyc = (int) (ncyc + 0.5);
/* CHECK VALIDITY OF PARAMETER RANGES */
if( gt1 > 0.5*del - 1.0e-4)
{
printf(" gt1 is too big. Make gt1 less than %f.\n", (0.5*del - 1.0e-4));
psg_abort(1);
}
if( dm[A] == 'y' )
{
printf("incorrect dec1 decoupler flag! Should be 'nny' or 'nnn' ");
psg_abort(1);
}
if((dm2[A] == 'y' || dm2[C] == 'y'))
{
printf("incorrect dec2 decoupler flags! Should be 'nnn' ");
psg_abort(1);
}
if((dm3[A] == 'y' || dm3[C] == 'y'))
{
printf("incorrect dec3 decoupler flags! Should be 'nnn' or 'nyn' ");
psg_abort(1);
}
if( dpwr > 52 )
{
printf("don't fry the probe, DPWR too large! ");
psg_abort(1);
}
if( pw > 50.0e-6 )
{
printf("dont fry the probe, pw too high ! ");
psg_abort(1);
}
if( pwN > 100.0e-6 )
{
printf("dont fry the probe, pwN too high ! ");
psg_abort(1);
}
/* PHASES AND INCREMENTED TIMES */
/* Phase incrementation for hypercomplex 2D data, States-Haberkorn element */
icosel1 = -1; icosel2 = -1;
if (phase1 == 2)
{ tsadd(t6,2,4); icosel1 = -1*icosel1; }
if (phase2 == 2)
{ tsadd(t10,2,4); icosel2 = -1*icosel2; tsadd(t6,2,4); }
/* Set up f1180 */
tau1 = d2;
if((f1180[A] == 'y') && (ni > 1.0))
{ tau1 += ( 1.0 / (2.0*sw1) ); if(tau1 < 0.2e-6) tau1 = 0.0; }
tau1 = tau1/2.0;
/* Set up f2180 */
tau2 = d3;
if((f2180[A] == 'y') && (ni2 > 1.0))
{ tau2 += ( 1.0 / (2.0*sw2) ); if(tau2 < 0.2e-6) tau2 = 0.0; }
tau2 = tau2/2.0;
/* Calculate modifications to phases for States-TPPI acquisition */
if( ix == 1) d2_init = d2;
t1_counter = (int) ( (d2-d2_init)*sw1 + 0.5 );
if(t1_counter % 2)
{ tsadd(t3,2,4); tsadd(t11,2,4); }
if( ix == 1) d3_init = d3;
t2_counter = (int) ( (d3-d3_init)*sw2 + 0.5 );
if(t2_counter % 2)
{ tsadd(t5,2,4); tsadd(t11,2,4); }
/* BEGIN PULSE SEQUENCE */
status(A);
if ( dm3[B] == 'y' )
lk_sample();
if ((ni/sw1-d2)>0)
delay(ni/sw1-d2); /*decreases as t1 increases for const.heating*/
if ((ni2/sw2-d3)>0)
delay(ni2/sw2-d3); /*decreases as t2 increases for const.heating*/
delay(d1);
if ( dm3[B] == 'y' )
{ lk_hold(); lk_sampling_off();} /*freezes z0 correction, stops lock pulsing*/
rcvroff();
obspower(tpwr);
decpower(pwClvl);
dec2power(pwNlvl);
decpwrf(rf0);
obsoffset(tof);
txphase(t3);
delay(1.0e-5);
decrgpulse(pwC, zero, 0.0, 0.0); /*destroy C13 magnetization*/
zgradpulse(gzlvl1, 0.5e-3);
delay(1.0e-4);
decrgpulse(pwC, one, 0.0, 0.0);
zgradpulse(0.7*gzlvl1, 0.5e-3);
delay(5.0e-4);
if ( dm3[B] == 'y' ) /* begins optional 2H decoupling */
{
dec3rgpulse(1/dmf3,one,10.0e-6,2.0e-6);
dec3unblank();
dec3phase(zero);
delay(2.0e-6);
setstatus(DEC3ch, TRUE, 'w', FALSE, dmf3);
}
rgpulse(pw, t3, 0.0, 0.0); /* 1H pulse excitation */
decphase(zero);
delay(0.5*del + tau1 - 2.0*pwC);
decrgpulse(2.0*pwC, zero, 0.0, 0.0);
txphase(zero);
delay(tau1);
rgpulse(2.0*pw, zero, 0.0, 0.0);
if (mag_flg[A] == 'y')
{
magradpulse(icosel1*gzcal*gzlvl1,0.1*gt1);
}
else
{
zgradpulse(icosel1*gzlvl1, 0.1*gt1);
}
decphase(t5);
delay(0.5*del - 0.1*gt1);
simpulse(pw, pwC, zero, t5, 0.0, 0.0);
zgradpulse(gzlvl3, gt3);
decphase(zero);
delay(0.5*del2 - gt3);
simpulse(2.0*pw, 2.0*pwC, zero, zero, 0.0, 0.0);
zgradpulse(gzlvl3, gt3);
txphase(t6);
decphase(one);
delay(0.5*del2 - gt3);
simpulse(pw, pwC, t6, one, 0.0, 0.0);
zgradpulse(gzlvl4, gt3);
txphase(zero);
decphase(zero);
delay(0.5*del1 - gt3);
simpulse(2.0*pw, 2.0*pwC, zero, zero, 0.0, 0.0);
zgradpulse(gzlvl4, gt3);
delay(0.5*del1 - gt3);
decrgpulse(pwC, zero, 0.0, 0.0);
decpwrf(rfd);
delay(2.0e-6);
initval(ncyc, v2);
starthardloop(v2);
decrgpulse(4.9*p_d,zero,0.0,0.0);
decrgpulse(7.9*p_d,two,0.0,0.0);
decrgpulse(5.0*p_d,zero,0.0,0.0);
decrgpulse(5.5*p_d,two,0.0,0.0);
decrgpulse(0.6*p_d,zero,0.0,0.0);
decrgpulse(4.6*p_d,two,0.0,0.0);
decrgpulse(7.2*p_d,zero,0.0,0.0);
decrgpulse(4.9*p_d,two,0.0,0.0);
decrgpulse(7.4*p_d,zero,0.0,0.0);
decrgpulse(6.8*p_d,two,0.0,0.0);
decrgpulse(7.0*p_d,zero,0.0,0.0);
decrgpulse(5.2*p_d,two,0.0,0.0);
decrgpulse(5.4*p_d,zero,0.0,0.0);
decrgpulse(0.6*p_d,two,0.0,0.0);
decrgpulse(4.5*p_d,zero,0.0,0.0);
decrgpulse(7.3*p_d,two,0.0,0.0);
decrgpulse(5.1*p_d,zero,0.0,0.0);
decrgpulse(7.9*p_d,two,0.0,0.0);
decrgpulse(4.9*p_d,two,0.0,0.0);
decrgpulse(7.9*p_d,zero,0.0,0.0);
decrgpulse(5.0*p_d,two,0.0,0.0);
decrgpulse(5.5*p_d,zero,0.0,0.0);
decrgpulse(0.6*p_d,two,0.0,0.0);
decrgpulse(4.6*p_d,zero,0.0,0.0);
decrgpulse(7.2*p_d,two,0.0,0.0);
decrgpulse(4.9*p_d,zero,0.0,0.0);
decrgpulse(7.4*p_d,two,0.0,0.0);
decrgpulse(6.8*p_d,zero,0.0,0.0);
decrgpulse(7.0*p_d,two,0.0,0.0);
decrgpulse(5.2*p_d,zero,0.0,0.0);
decrgpulse(5.4*p_d,two,0.0,0.0);
decrgpulse(0.6*p_d,zero,0.0,0.0);
decrgpulse(4.5*p_d,two,0.0,0.0);
decrgpulse(7.3*p_d,zero,0.0,0.0);
decrgpulse(5.1*p_d,two,0.0,0.0);
decrgpulse(7.9*p_d,zero,0.0,0.0);
decrgpulse(4.9*p_d,two,0.0,0.0);
decrgpulse(7.9*p_d,zero,0.0,0.0);
decrgpulse(5.0*p_d,two,0.0,0.0);
decrgpulse(5.5*p_d,zero,0.0,0.0);
decrgpulse(0.6*p_d,two,0.0,0.0);
decrgpulse(4.6*p_d,zero,0.0,0.0);
decrgpulse(7.2*p_d,two,0.0,0.0);
decrgpulse(4.9*p_d,zero,0.0,0.0);
decrgpulse(7.4*p_d,two,0.0,0.0);
decrgpulse(6.8*p_d,zero,0.0,0.0);
decrgpulse(7.0*p_d,two,0.0,0.0);
decrgpulse(5.2*p_d,zero,0.0,0.0);
decrgpulse(5.4*p_d,two,0.0,0.0);
decrgpulse(0.6*p_d,zero,0.0,0.0);
decrgpulse(4.5*p_d,two,0.0,0.0);
decrgpulse(7.3*p_d,zero,0.0,0.0);
decrgpulse(5.1*p_d,two,0.0,0.0);
decrgpulse(7.9*p_d,zero,0.0,0.0);
decrgpulse(4.9*p_d,zero,0.0,0.0);
decrgpulse(7.9*p_d,two,0.0,0.0);
decrgpulse(5.0*p_d,zero,0.0,0.0);
decrgpulse(5.5*p_d,two,0.0,0.0);
decrgpulse(0.6*p_d,zero,0.0,0.0);
decrgpulse(4.6*p_d,two,0.0,0.0);
decrgpulse(7.2*p_d,zero,0.0,0.0);
decrgpulse(4.9*p_d,two,0.0,0.0);
decrgpulse(7.4*p_d,zero,0.0,0.0);
decrgpulse(6.8*p_d,two,0.0,0.0);
decrgpulse(7.0*p_d,zero,0.0,0.0);
decrgpulse(5.2*p_d,two,0.0,0.0);
decrgpulse(5.4*p_d,zero,0.0,0.0);
decrgpulse(0.6*p_d,two,0.0,0.0);
decrgpulse(4.5*p_d,zero,0.0,0.0);
decrgpulse(7.3*p_d,two,0.0,0.0);
decrgpulse(5.1*p_d,zero,0.0,0.0);
decrgpulse(7.9*p_d,two,0.0,0.0);
endhardloop();
dec2phase(zero);
decphase(zero);
txphase(zero);
decpwrf(rf10);
delay(tau2);
/* WFG3_START_DELAY */
sim3shaped_pulse("", "offC10", "", 2.0*pw, pwC10, 2.0*pwN, zero, zero, zero, 0.0, 0.0);
if(pwC10>2.0*pwN) pwZ=0.0; else pwZ=2.0*pwN - pwC10;
delay(tau2);
decpwrf(rf0);
if (mag_flg[A] == 'y')
{
magradpulse(-icosel2*gzcal*gzlvl2, 1.8*gt1);
}
else
{
zgradpulse(-icosel2*gzlvl2, 1.8*gt1);
}
delay(2.02e-4);
decrgpulse(2.0*pwC, zero, 0.0, 0.0);
decpwrf(rf10);
if (mag_flg[A] == 'y')
{
magradpulse(icosel2*gzcal*gzlvl2, 1.8*gt1);
}
else
{
zgradpulse(icosel2*gzlvl2, 1.8*gt1);
}
delay(2.0e-4 + WFG3_START_DELAY + pwZ);
decshaped_pulse("offC10", pwC10, zero, 0.0, 0.0);
decpwrf(rf0);
decrgpulse(pwC, zero, 2.0e-6, 0.0);
zgradpulse(gzlvl5, gt5);
delay(0.5*del1 - gt5);
simpulse(2.0*pw, 2.0*pwC, zero, zero, 0.0, 0.0);
zgradpulse(gzlvl5, gt5);
txphase(one);
decphase(t10);
delay(0.5*del1 - gt5);
simpulse(pw, pwC, one, t10, 0.0, 0.0);
zgradpulse(gzlvl6, gt5);
txphase(zero);
decphase(zero);
delay(0.5*del2 - gt5);
simpulse(2.0*pw, 2.0*pwC, zero, zero, 0.0, 0.0);
zgradpulse(gzlvl6, gt5);
delay(0.5*del2 - gt5);
simpulse(pw, pwC, zero, zero, 0.0, 0.0);
delay(0.5*del - 0.5*pwC);
simpulse(2.0*pw,2.0*pwC, zero, zero, 0.0, 0.0);
if (mag_flg[A] == 'y')
magradpulse(gzcal*gzlvl1, gt1);
else
zgradpulse(gzlvl1, gt1);
rcvron();
if ((STUD[A]=='n') && (dm[C] == 'y'))
decpower(dpwr);
if ( dm3[B] == 'y' ) /* turns off 2H decoupling */
{
delay(0.5*del-40.0e-6 -gt1 -1/dmf3);
setstatus(DEC3ch, FALSE, 'c', FALSE, dmf3);
dec3rgpulse(1/dmf3,three,2.0e-6,2.0e-6);
dec3blank();
lk_autotrig(); /* resumes lock pulsing */
lk_sample();
if (mag_flg[A] == 'y')
statusdelay(C,40.0e-6 - 2.0*VAGRADIENT_DELAY - POWER_DELAY);
else
statusdelay(C,40.0e-6 - 2.0*GRADIENT_DELAY - POWER_DELAY);
}
else
{
delay(0.5*del-40.0e-6 -gt1);
if (mag_flg[A] == 'y')
statusdelay(C,40.0e-6 - 2.0*VAGRADIENT_DELAY - POWER_DELAY);
else
statusdelay(C,40.0e-6 - 2.0*GRADIENT_DELAY - POWER_DELAY);
}
if ((STUD[A]=='y') && (dm[C] == 'y'))
{decpower(studlvl);
decunblank();
decon();
decprgon(stCdec,1/stdmf, 1.0);
startacq(alfa);
acquire(np, 1.0/sw);
decprgoff();
decoff();
decblank();
}
setreceiver(t11);
}
pulsesequence()
{
char
f1180[MAXSTR],
f2180[MAXSTR],
mag_flg[MAXSTR], /* y for magic angle, n for z-gradient only */
ref_flg[MAXSTR]; /* yes for recording reference spectrum */
int
icosel,
phase,
ni2,
t1_counter,
t2_counter;
double
gzcal = getval("gzcal"),
tau1,
tau2,
taua, /* ~ 1/4JNH = 2.3-2.7 ms] */
taub, /* ~ 2.75 ms */
bigT, /* ~ 12 ms */
bigTCO, /* ~ 25 ms */
bigTN, /* ~ 12 ms */
pwClvl, /* High power level for carbon on channel 2 */
pwC, /* C13 90 degree pulse length at pwClvl */
compC, /* Compression factor for C13 on channel 2 */
pwCa180, /* 180 degree pulse length for Ca */
pwCab180,
pwCO180,
pwNlvl, /* Power level for Nitrogen on channel 3 */
pwN, /* N15 90 degree pulse lenght at pwNlvl */
maxcan, /* The larger of 2.0*pwN and pwCa180 */
dpwrfC = 4095.0,
dfCa180,
dfCab180,
dfCO180,
fac180 = 1.69,
gt1,
gt3,
gt2,
gt0,
gt5,
gt6,
gt7,
gt8,
gt9,
gt10,
gstab,
gzlvl1,
gzlvl2,
gzlvl3,
gzlvl0,
gzlvl5,
gzlvl6,
gzlvl7,
gzlvl8,
gzlvl9,
gzlvl10;
/* LOAD VARIABLES */
getstr("f1180",f1180);
getstr("f2180",f2180);
getstr("mag_flg", mag_flg);
getstr("ref_flg", ref_flg);
taua = getval("taua");
taub = getval("taub");
bigT = getval("bigT");
bigTCO = getval("bigTCO");
bigTN = getval("bigTN");
pwClvl = getval("pwClvl");
pwC = getval("pwC");
compC = getval("compC");
pwNlvl = getval("pwNlvl");
pwN = getval("pwN");
pwCa180 = getval("pwCa180");
pwCab180 = getval("pwCab180");
pwCO180 = getval("pwCO180");
maxcan = 2.0*pwN;
if (pwCa180 > maxcan) maxcan = pwCa180;
dpwr = getval("dpwr");
phase = (int) ( getval("phase") + 0.5);
phase2 = (int) ( getval("phase2") + 0.5);
sw1 = getval("sw1");
sw2 = getval("sw2");
ni = getval("ni");
ni2 = getval("ni2");
gt1 = getval("gt1");
gt2 = getval("gt2");
gt3 = getval("gt3");
gt0 = getval("gt0");
gt5 = getval("gt5");
gt6 = getval("gt6");
gt7 = getval("gt7");
gt8 = getval("gt8");
gt9 = getval("gt9");
gstab = getval("gstab");
gt10 = getval("gt10");
gzlvl1 = getval("gzlvl1");
gzlvl2 = getval("gzlvl2");
gzlvl3 = getval("gzlvl3");
gzlvl5 = getval("gzlvl5");
gzlvl0 = getval("gzlvl0");
gzlvl6 = getval("gzlvl6");
gzlvl7 = getval("gzlvl7");
gzlvl8 = getval("gzlvl8");
gzlvl9 = getval("gzlvl9");
gzlvl10 = getval("gzlvl10");
dfCa180 = (compC*4095.0*pwC*2.0*fac180)/pwCa180;
dfCab180 = (compC*4095.0*pwC*2.0*fac180)/pwCab180;
dfCO180 = (compC*4095.0*pwC*2.0*fac180)/pwCO180;
/* LOAD PHASE TABLE */
settable(t1,4,phi1);
settable(t2,2,phi2);
settable(t3,16,phi3);
settable(t4,16,phi4);
settable(t5, 1, phi5);
settable(t10,16,rec);
/* CHECK VALIDITY OF PARAMETER RANGES */
if((ref_flg[A] == 'y') && (dps_flag))
{
printf("ref_flg=y: for 2D HN-CO or 3D HNCO reference spectrum without CO-HB coupling.\n");
}
if(ni2/sw2 > 2.0*(bigTN))
{
printf(" ni2 is too big, should < %f\n", 2.0*sw2*(bigTN));
}
if((ni/sw1 > 2.0*(bigTCO - gt6 - maxcan))&&(ref_flg[A] == 'y'))
{
printf("ni is too big, should < %f\n", 2.0*sw1*(bigTCO-gt6-maxcan));
}
if(( dpwr > 50 ) || (dpwr2 > 50))
{
printf("don't fry the probe, either dpwr or dpwr2 is too large! ");
psg_abort(1);
}
if((gt1 > 5.0e-3) ||(gt2>5e-3)||(gt3>5e-3)|| (gt0 > 5.0e-3))
{
printf("The length of gradients are too long\n");
psg_abort(1);
}
if((taub - 2.0*pw - gt8 - 1.0e-3 - 6.0*GRADIENT_DELAY)<0.0)
{
printf("Shorten gt8 so that preceding delay is not negative\n");
psg_abort(1);
}
if((dm[A] == 'y' || dm[B] == 'y' || dm[C] == 'y'))
{
printf("incorrect dec1 decoupler flags! should be 'nnn' ");
psg_abort(1);
}
if((dm2[A] == 'y' || dm2[B] == 'y' ))
{
printf("incorrect dec2 decoupler flags! Should be 'nny' ");
psg_abort(1);
}
/* Phase incrementation for hypercomplex 2D data */
if (phase == 2)
{
if(ref_flg[A] == 'y') tsadd(t1,3,4);
else tsadd(t1, 1, 4);
}
if (phase2 == 2)
{
tsadd(t5,2,4);
icosel = 1;
}
else icosel = -1;
/* Set up f1180 half_dwell time (1/sw1)/2.0 */
if (ref_flg[A] == 'y') tau1 = d2;
else tau1 = d2 - (4.0*pw/PI);
if(f1180[A] == 'y')
{
tau1 += (1.0/(2.0*sw1));
}
if(tau1 < 0.2e-6) tau1 = 0.0;
tau1 = tau1/4.0;
/* Set up f2180 half dwell time (1/sw2)/2.0 */
tau2 = d3;
if(f2180[A] == 'y')
{
tau2 += (1.0/(2.0*sw2));
}
if(tau2 < 0.2e-6) tau2 = 0.0;
tau2 = tau2/2.0;
/* Calculate modifications to phases for States-TPPI acquisition */
if( ix == 1) d2_init = d2 ;
t1_counter = (int) ( (d2-d2_init)*sw1 + 0.5 );
if(t1_counter % 2)
{
tsadd(t1,2,4);
tsadd(t10,2,4);
}
if( ix == 1) d3_init = d3 ;
t2_counter = (int) ( (d3-d3_init)*sw2 + 0.5 );
if(t2_counter % 2)
{
tsadd(t2,2,4);
tsadd(t10,2,4);
}
/* BEGIN ACTUAL PULSE SEQUENCE */
status(A);
decoffset(dof);
obspower(tpwr);
decpower(pwClvl);
decpwrf(dpwrfC);
dec2power(pwNlvl);
txphase(zero);
dec2phase(zero);
delay(d1);
dec2rgpulse(pwN, zero, 0.2e-6, 0.0);
zgradpulse(gzlvl3, gt3);
delay(0.001);
rcvroff();
status(B);
rgpulse(pw, zero, 1.0e-5, 1.0e-6);
delay(2.0e-6);
zgradpulse(0.8*gzlvl0,gt0);
delay(taua - gt0 - 2.0e-6);
sim3pulse(2.0*pw,(double)0.0,2.0*pwN,zero,zero,zero, 1.0e-6, 1.0e-6);
delay(taua - gt0 - 500.0e-6);
zgradpulse(0.8*gzlvl0,gt0);
txphase(one);
delay(500.0e-6);
rgpulse(pw, one, 1.0e-6, 1.0e-6);
delay(2.0e-6);
zgradpulse(1.3*gzlvl3, gt3);
decpwrf(dfCO180);
txphase(zero);
delay(200.0e-6);
dec2rgpulse(pwN, zero, 0.0, 0.0);
delay(2.0e-6);
zgradpulse(gzlvl0, gt0);
delay(taub - gt0 - 2.0*pw - 2.0e-6);
rgpulse(2.0*pw, zero, 0.0, 0.0);
delay(bigT - taub - WFG3_START_DELAY);
sim3shaped_pulse("","offC8","",(double)0.0,pwCO180,2.0*pwN,zero,zero,zero,0.0,0.0);
delay(bigT - gt0 - WFG3_STOP_DELAY - 1.0e-3);
zgradpulse(gzlvl0, gt0);
delay(1.0e-3);
dec2rgpulse(pwN, zero, 0.0, 0.0);
delay(2.0e-6);
zgradpulse(gzlvl9, gt9);
decpwrf(dpwrfC);
decphase(t3);
delay(200.0e-6);
if(ref_flg[A] != 'y')
{
decrgpulse(pwC, t3, 0.0, 0.0);
delay(2.0e-6);
if(gt6 > 0.2e-6)
zgradpulse(gzlvl6, gt6);
decpwrf(dfCO180);
txphase(t1);
delay(bigTCO - gt6 - 2.0e-6);
rgpulse(pw, t1, 0.0, 0.0);
if(tau1 >(pwCab180/2.0 + WFG_START_DELAY +WFG_STOP_DELAY+ POWER_DELAY + pwCO180/2.0))
{
decpwrf(dfCab180);
delay(tau1 - pwCab180/2.0 - WFG_START_DELAY - POWER_DELAY);
decshaped_pulse("offC27", pwCab180, zero, 0.0, 0.0);
decpwrf(dfCO180);
delay(tau1-pwCO180/2.0-pwCab180/2.0-WFG_STOP_DELAY-WFG_START_DELAY-POWER_DELAY);
decshaped_pulse("offC8", pwCO180, zero, 0.0, 0.0);
decpwrf(dfCab180);
delay(tau1-pwCO180/2.0-pwCab180/2.0-WFG_STOP_DELAY-WFG_START_DELAY-POWER_DELAY);
decshaped_pulse("offC27", pwCab180, zero, 0.0, 0.0);
txphase(zero);
delay(tau1 - pwCab180/2.0 - WFG_STOP_DELAY);
}
else
{
delay(2.0*tau1);
decshaped_pulse("offC8", pwCO180, zero, 0.0, 0.0);
txphase(zero);
delay(2.0*tau1);
}
rgpulse(pw, zero, 0.0, 0.0);
delay(bigTCO - gt6 - POWER_DELAY - 1.0e-3);
if (gt6 > 0.2e-6)
zgradpulse(gzlvl6, gt6);
decpwrf(dpwrfC);
delay(1.0e-3);
decrgpulse(pwC, zero, 0.0, 0.0);
}
else
{
decrgpulse(pwC, t3, 0.0, 0.0);
decpwrf(dfCa180);
sim3shaped_pulse("","offC17","",0.0e-6,pwCa180,0.0e-6,zero,zero,zero,2.0e-6,0.0);
delay(2.0e-6);
if(gt6 > 0.2e-6)
zgradpulse(gzlvl6, gt6);
decpwrf(dfCO180);
delay(bigTCO - 2.0*tau1 - maxcan - gt6 - 2.0*POWER_DELAY - 4.0e-6);
decshaped_pulse("offC8", pwCO180, zero, 0.0, 0.0);
delay(bigTCO - gt6 - maxcan - 2.0*POWER_DELAY - 1.0e-3);
if (gt6 > 0.2e-6)
zgradpulse(gzlvl6, gt6);
decpwrf(dfCa180);
delay(1.0e-3);
sim3shaped_pulse("","offC17","",2.0*pw,pwCa180,2.0*pwN,zero,zero,zero,0.0,0.0);
decpwrf(dpwrfC);
delay(2.0*tau1);
decrgpulse(pwC, t1, 2.0e-6, 0.0);
}
delay(2.0e-6);
zgradpulse(gzlvl7, gt7);
decpwrf(dfCO180);
dec2phase(t2);
delay(200.0e-6);
dec2rgpulse(pwN, t2, 0.0, 0.0);
delay(bigTN - tau2);
dec2phase(t4);
sim3shaped_pulse("","offC8","",(double)0.0,pwCO180,2.0*pwN,zero,zero,t4,0.0,0.0);
decpwrf(dfCa180);
delay(bigTN - taub - WFG_STOP_DELAY - POWER_DELAY);
rgpulse(2.0*pw, zero, 0.0, 0.0);
delay(taub - 2.0*pw - gt1 - 1.0e-3 - 6.0*GRADIENT_DELAY);
if (mag_flg[A] == 'y')
{
magradpulse(gzcal*gzlvl1, gt1);
}
else
{
zgradpulse(gzlvl1, gt1);
delay(4.0*GRADIENT_DELAY);
}
dec2phase(t5);
delay(1.0e-3);
decshaped_pulse("offC17", pwCa180, zero, 0.0, 0.0);
delay(tau2);
sim3pulse(pw,(double)0.0, pwN, zero,zero, t5, 0.0, 0.0);
dec2phase(zero);
delay(2.0e-6);
zgradpulse(0.8*gzlvl5, gt5);
delay(taua - gt5 - 2.0e-6);
sim3pulse(2.0*pw,(double)0.0, 2.0*pwN, zero,zero, zero, 0.0, 0.0);
delay(taua - gt5 - 500.0e-6);
zgradpulse(0.8*gzlvl5, gt5);
txphase(one);
decphase(one);
delay(500.0e-6);
sim3pulse(pw,(double)0.0, pwN, one,zero, one, 0.0, 0.0);
delay(2.0e-6);
txphase(zero);
dec2phase(zero);
zgradpulse(gzlvl5, gt5);
delay(taua - gt5 - 2.0e-6);
sim3pulse(2.0*pw,(double)0.0, 2.0*pwN, zero,zero, zero, 0.0, 0.0);
delay(taua - gt5 - 2.0*POWER_DELAY - 500.0e-6);
zgradpulse(gzlvl5, gt5);
decpower(dpwr);
dec2power(dpwr2);
delay(500.0e-6);
rgpulse(pw, zero, 0.0, 0.0);
delay(1.0e-4 +gstab + gt1/10.0 - 0.5*pw + 6.0*GRADIENT_DELAY);
rgpulse(2.0*pw, zero, 0.0, 0.0);
delay(2.0e-6);
if(mag_flg[A] == 'y')
{
magradpulse(icosel*gzcal*gzlvl2, gt1/10.0);
}
else
{
zgradpulse(icosel*gzlvl2, gt1/10.0);
delay(4.0*GRADIENT_DELAY);
}
delay(1.0e-4 - 2.0e-6);
statusdelay(C,1.0e-4);
setreceiver(t10);
}
pulsesequence()
{
/* DECLARE AND LOAD VARIABLES */
char f1180[MAXSTR], /* Flag to start t1 @ halfdwell */
mag_flg[MAXSTR], /*magic-angle coherence transfer gradients */
f2180[MAXSTR], /* Flag to start t2 @ halfdwell */
C13refoc[MAXSTR], /* C13 sech/tanh pulse in middle of t1*/
NH2only[MAXSTR]; /* spectrum of only NH2 groups */
int icosel, /* used to get n and p type */
t1_counter, /* used for states tppi in t1 */
t2_counter, /* used for states tppi in t2 */
PRexp, /* projection-reconstruction flag */
ni2 = getval("ni2");
double tau1, /* t1 delay */
mix = getval("mix"), /* NOESY mix time */
tau2, /* t2 delay */
lambda = 0.94/(4.0*getval("JNH")), /* 1/4J H1 evolution delay */
tNH = 1.0/(4.0*getval("JNH")), /* 1/4J N15 evolution delay */
csa, sna,
pra = M_PI*getval("pra")/180.0,
/* temporary Pbox parameters */
bw, pws, ofs, ppm, nst, /* bandwidth, pulsewidth, offset, ppm, # steps */
/* the sech/tanh pulse is automatically calculated by the macro "biocal", */
/* and is called directly from your shapelib. */
pwClvl = getval("pwClvl"), /* coarse power for C13 pulse */
pwC = getval("pwC"), /* C13 90 degree pulse length at pwClvl */
rf0, /* maximum fine power when using pwC pulses */
rfst, /* fine power for the stCall pulse */
compH = getval("compH"), /* adjustment for H1 amplifier compression */
compC = getval("compC"), /* adjustment for C13 amplifier compression */
dof100, /* C13 frequency at 100ppm for both aliphatic & aromatic*/
tpwrsf = getval("tpwrsf"), /* fine power adjustment for flipback pulse*/
pwHs = getval("pwHs"), /* H1 90 degree pulse length at tpwrs */
tpwrs, /* power for the pwHs ("H2Osinc") pulse */
pwNlvl = getval("pwNlvl"), /* power for N15 pulses */
pwN = getval("pwN"), /* N15 90 degree pulse length at pwNlvl */
sw1 = getval("sw1"),
sw2 = getval("sw2"),
gzcal=getval("gzcal"),
gt1 = getval("gt1"), /* coherence pathway gradients */
gzlvl1 = getval("gzlvl1"),
gzlvl2 = getval("gzlvl2"),
gt0 = getval("gt0"), /* other gradients */
gt3 = getval("gt3"),
gt4 = getval("gt4"),
gt5 = getval("gt5"),
gstab = getval("gstab"),
gzlvl0 = getval("gzlvl0"),
gzlvl3 = getval("gzlvl3"),
gzlvl6 = getval("gzlvl6"),
gzlvl4 = getval("gzlvl4"),
gzlvl5 = getval("gzlvl5");
getstr("f1180",f1180);
getstr("mag_flg",mag_flg);
getstr("f2180",f2180);
getstr("C13refoc",C13refoc);
getstr("NH2only",NH2only);
csa = cos(pra);
sna = sin(pra);
/* LOAD PHASE TABLE */
settable(t1,2,phi1);
settable(t3,4,phi3);
settable(t9,16,phi9);
settable(t10,1,phi10);
settable(t11,8,rec);
/* INITIALIZE VARIABLES */
/* maximum fine power for pwC pulses (and initialize rfst) */
rf0 = 4095.0;
rfst=0.0;
setautocal(); /* activate auto-calibration flags */
if (autocal[0] == 'n')
{
/* 180 degree adiabatic C13 pulse from 0 to 200 ppm */
if (C13refoc[A]=='y')
{
rfst = (compC*4095.0*pwC*4000.0*sqrt((30.0*sfrq/600.0+7.0)/0.35));
rfst = (int) (rfst + 0.5);
if ( 1.0/(4000.0*sqrt((30.0*sfrq/600.0+7.0)/0.35)) < pwC )
{ text_error( " Not enough C13 RF. pwC must be %f usec or less.\n",
(1.0e6/(4000.0*sqrt((30.0*sfrq/600.0+7.0)/0.35))) );
psg_abort(1);
}
}
}
else /* if autocal = 'y'(yes), 'q'(quiet), r(read), or 's'(semi) */
{
if(FIRST_FID) /* call Pbox */
{
if (C13refoc[A]=='y')
{
ppm = getval("dfrq");
ofs = 0.0;
pws = 0.001; /* 1 ms long pulse */
bw = 200.0*ppm;
nst = 1000; /* nst - number of steps */
stC200 = pbox_makeA("stC200", "sech", bw, pws, ofs, compC*pwC, pwClvl, nst);
}
ofs_check(H1ofs, C13ofs, N15ofs, H2ofs);
}
if (C13refoc[A]=='y') rfst = stC200.pwrf;
}
/* 180 degree adiabatic C13 pulse from 0 to 200 ppm */
dof100 = dof + 65.0*dfrq;
/* selective H20 one-lobe sinc pulse */
tpwrs = tpwr - 20.0*log10(pwHs/((compH*pw)*1.69)); /* needs 1.69 times more */
tpwrs = (int) (tpwrs); /* power than a square pulse */
/* CHECK VALIDITY OF PARAMETER RANGES */
if ( (mix - gt4 - gt5) < 0.0 )
{ text_error("mix is too small. Make mix equal to %f or more.\n",(gt4 + gt5));
psg_abort(1);
}
if((dm[A] == 'y' || dm[B] == 'y' || dm[C] == 'y' ))
{
text_error("incorrect dec1 decoupler flags! Should be 'nnn' ");
psg_abort(1);
}
if((dm2[A] == 'y' || dm2[B] == 'y'))
{
text_error("incorrect dec2 decoupler flags! Should be 'nny' ");
psg_abort(1);
}
if( dpwr2 > 50 )
{
text_error("don't fry the probe, DPWR2 too large! ");
psg_abort(1);
}
if( pw > 20.0e-6 )
{
text_error("dont fry the probe, pw too high ! ");
psg_abort(1);
}
if( pwN > 100.0e-6 )
{
text_error("dont fry the probe, pwN too high ! ");
psg_abort(1);
}
/* PHASES AND INCREMENTED TIMES */
/* Phase incrementation for hypercomplex 2D data, States-Haberkorn element */
if (phase1 == 2)
tsadd(t1,1,4);
if (phase2 == 1)
{
tsadd(t10,2,4);
icosel = 1;
}
else icosel = -1;
/* Set up f1180 */
PRexp = 0;
if((pra > 0.0) && (pra < 90.0)) PRexp = 1;
if(PRexp) /* set up Projection-Reconstruction experiment */
tau1 = d2*csa;
else
tau1 = d2;
if((f1180[A] == 'y') && (ni > 1.0))
{
tau1 += ( 1.0 / (2.0*sw1) );
if(tau1 < 0.2e-6) tau1 = 0.0;
}
tau1 = tau1/2.0;
/* Set up f2180 */
if(PRexp)
tau2 = d2*sna;
else
{
tau2 = d3;
if((f2180[A] == 'y') && (ni2 > 1.0))
{
tau2 += ( 1.0 / (2.0*sw2) );
if(tau2 < 0.2e-6) tau2 = 0.0;
}
}
tau2 = tau2/2.0;
/* Calculate modifications to phases for States-TPPI acquisition */
if( ix == 1) d2_init = d2;
t1_counter = (int) ( (d2-d2_init)*sw1 + 0.5 );
if(t1_counter % 2)
{
tsadd(t1,2,4);
tsadd(t11,2,4);
}
if( ix == 1) d3_init = d3;
t2_counter = (int) ( (d3-d3_init)*sw2 + 0.5 );
if(t2_counter % 2)
{
tsadd(t3,2,4);
tsadd(t11,2,4);
}
/* Correct inverted signals for NH2 only spectra */
if (NH2only[A]=='y')
{
tsadd(t3,2,4);
}
/* BEGIN PULSE SEQUENCE */
status(A);
obspower(tpwr);
decpower(pwClvl);
dec2power(pwNlvl);
decoffset(dof);
decpwrf(rf0);
txphase(zero);
dec2phase(zero);
delay(d1);
dec2rgpulse(pwN, zero, 0.0, 0.0); /*destroy N15 and C13 magnetization*/
decrgpulse(pwC, zero, 0.0, 0.0);
zgradpulse(gzlvl0, 0.5e-3);
delay(1.0e-4);
dec2rgpulse(pwN, one, 0.0, 0.0);
decrgpulse(pwC, one, 0.0, 0.0);
zgradpulse(0.7*gzlvl0, 0.5e-3);
txphase(t1);
decphase(zero);
dec2phase(zero);
initval(135.0,v1);
obsstepsize(1.0);
xmtrphase(v1);
delay(5.0e-4);
rcvroff();
rgpulse(pw, t1, 50.0e-6, 0.0); /* 1H pulse excitation */
xmtrphase(zero); /* SAPS_DELAY */
txphase(zero);
if (tau1 > (2.0*GRADIENT_DELAY + pwN + 0.64*pw + 5.0*SAPS_DELAY))
{
if (tau1>0.002)
{
zgradpulse(gzlvl6, 0.8*(tau1 - 2.0*GRADIENT_DELAY - pwN - 0.64*pw));
delay(0.2*(tau1 - 2.0*GRADIENT_DELAY - pwN - 0.64*pw) - SAPS_DELAY);
}
else
{
delay(tau1-pwN-0.64*pw);
}
if (C13refoc[A]=='y')
sim3pulse(0.0, 2.0*pwC, 2.0*pwN, zero, zero, zero, 0.0, 0.0);
else
dec2rgpulse(2.0*pwN, zero, 0.0, 0.0);
if (tau1>0.002)
{
zgradpulse(-1.0*gzlvl6, 0.8*(tau1 - 2.0*GRADIENT_DELAY - pwN - 0.64*pw));
delay(0.2*(tau1 - 2.0*GRADIENT_DELAY - pwN - 0.64*pw) - SAPS_DELAY);
}
else
{
delay(tau1-pwN-0.64*pw);
}
}
else if (tau1 > (0.64*pw + 0.5*SAPS_DELAY))
delay(2.0*tau1 - 2.0*0.64*pw - SAPS_DELAY );
rgpulse(pw, zero, 0.0, 0.0);
delay(mix - gt4 - gt5 -gstab -200.0e-6);
dec2rgpulse(pwN, zero, 0.0, 0.0);
zgradpulse(gzlvl4, gt4);
delay(gstab);
rgpulse(pw, zero, 200.0e-6,0.0); /* HSQC begins */
dec2phase(zero);
zgradpulse(gzlvl0, gt0);
delay(lambda - gt0);
sim3pulse(2.0*pw, 0.0, 2.0*pwN, zero, zero, zero, 0.0, 0.0);
txphase(one);
zgradpulse(gzlvl0, gt0);
delay(lambda - gt0);
rgpulse(pw, one, 0.0, 0.0);
txphase(two);
if (tpwrsf<4095.0)
{
obspower(tpwrs+6.0);
obspwrf(tpwrsf);
shaped_pulse("H2Osinc", pwHs, two, 5.0e-4, 0.0);
obspower(tpwr);
obspwrf(4095.0);
}
else
{
obspower(tpwrs);
shaped_pulse("H2Osinc", pwHs, two, 5.0e-4, 0.0);
obspower(tpwr);
}
zgradpulse(gzlvl3, gt3);
dec2phase(t3);
decpwrf(rfst);
decoffset(dof100);
delay(2.0e-4);
dec2rgpulse(pwN, t3, 0.0, 0.0);
decphase(zero);
/* xxxxxxxxxxxxxxxxxx OPTIONS FOR N15 EVOLUTION xxxxxxxxxxxxxxxxxxxxx */
txphase(zero);
dec2phase(t9);
if (NH2only[A]=='y')
{
delay(tau2);
/* optional sech/tanh pulse in middle of t2 */
if (C13refoc[A]=='y') /* WFG_START_DELAY */
{ decshaped_pulse("stC200", 1.0e-3, zero, 0.0, 0.0);
delay(tNH - 1.0e-3 - WFG_START_DELAY - 2.0*pw);
}
else
{
delay(tNH - 2.0*pw);
}
rgpulse(2.0*pw, zero, 0.0, 0.0);
if (tNH < gt1 + 1.99e-4) delay(gt1 + 1.99e-4 - tNH);
delay(tau2);
dec2rgpulse(2.0*pwN, t9, 0.0, 0.0);
if (mag_flg[A] == 'y')
{
magradpulse(gzcal*gzlvl1, gt1);
}
else
{
zgradpulse(gzlvl1, gt1);
}
dec2phase(t10);
if (tNH > gt1 + 1.99e-4) delay(tNH - gt1 - 2.0*GRADIENT_DELAY);
else delay(1.99e-4 - 2.0*GRADIENT_DELAY);
}
else
{
if ( (C13refoc[A]=='y') && (tau2 > 0.5e-3 + WFG2_START_DELAY) )
{ delay(tau2 - 0.5e-3 - WFG2_START_DELAY); /* WFG2_START_DELAY */
simshaped_pulse("", "stC200", 2.0*pw, 1.0e-3, zero, zero, 0.0, 0.0);
delay(tau2 - 0.5e-3);
delay(gt1 + 2.0e-4);
}
else
{ delay(tau2);
rgpulse(2.0*pw, zero, 0.0, 0.0);
delay(gt1 + 2.0e-4 - 2.0*pw);
delay(tau2);
}
dec2rgpulse(2.0*pwN, t9, 0.0, 0.0);
if (mag_flg[A] == 'y')
{
magradpulse(gzcal*gzlvl1, gt1);
}
else
{
zgradpulse(gzlvl1, gt1);
}
dec2phase(t10);
delay(2.0e-4 - 2.0*GRADIENT_DELAY);
}
/* xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx */
sim3pulse(pw, 0.0, pwN, zero, zero, t10, 0.0, 0.0);
dec2phase(zero);
zgradpulse(gzlvl5, gt5);
delay(lambda - 1.5*pwN - gt5);
sim3pulse(2.0*pw, 0.0, 2.0*pwN, zero, zero, zero, 0.0, 0.0);
zgradpulse(gzlvl5, gt5);
txphase(one);
dec2phase(one);
delay(lambda - 1.5*pwN - gt5);
sim3pulse(pw, 0.0, pwN, one, zero, one, 0.0, 0.0);
txphase(zero);
dec2phase(zero);
zgradpulse(1.5*gzlvl5, gt5);
delay(lambda - 1.5*pwN - gt5);
sim3pulse(2.0*pw, 0.0, 2.0*pwN, zero, zero, zero, 0.0, 0.0);
zgradpulse(1.5*gzlvl5, gt5);
delay(lambda - pwN - 0.5*pw - gt5);
rgpulse(pw, zero, 0.0, 0.0);
delay((gt1/10.0) + 1.0e-4+ gstab - 0.5*pw + 2.0*GRADIENT_DELAY + POWER_DELAY);
rgpulse(2.0*pw, zero, 0.0, rof1);
dec2power(dpwr2); /* POWER_DELAY */
if (mag_flg[A] == 'y')
{
magradpulse(icosel*gzcal*gzlvl2, gt1/10.0);
}
else
{
zgradpulse(icosel*gzlvl2, gt1/10.0);
}
delay(gstab);
rcvron();
statusdelay(C,1.0e-4-rof1);
setreceiver(t11);
}
void pulsesequence()
{
/* DECLARE AND LOAD VARIABLES */
char f1180[MAXSTR], /* Flag to start t1 @ halfdwell */
f2180[MAXSTR], /* Flag to start t2 @ halfdwell */
mag_flg[MAXSTR], /* magic-angle coherence transfer gradients */
TROSY[MAXSTR], /* do TROSY on N15 and H1 */
CT_c[MAXSTR],
h1dec[MAXSTR];
int icosel, /* used to get n and p type */
t1_counter=getval("t1_counter"), /* used for states tppi in t1 */
t2_counter=getval("t2_counter"), /* used for states tppi in t2 */
nli = getval("nli"),
nli2 = getval("nli2");
double tau1, /* t1 delay */
tau2, /* t2 delay */
tauCC = 7.0e-3, /* delay for Ca to Cb cosy */
tauC = 13.3e-3, /* constantTime for 13Cb evolution */
timeTN = getval("timeTN"), /* constant time for 15N evolution */
kappa = 5.4e-3,
lambda = 2.4e-3,
zeta = 3.0e-3,
taud = 1.7e-3,
pwClvl = getval("pwClvl"), /* coarse power for C13 pulse */
pwC = getval("pwC"), /* C13 90 degree pulse length at pwClvl */
rf0, /* maximum fine power when using pwC pulses */
/* 90 degree pulse at Cab (46ppm), first off-resonance null at CO (174ppm) */
pwC1, /* 90 degree pulse length on C13 at rf1 */
rf1, /* fine power for 5.1 kHz rf for 600MHz magnet */
/* 180 degree pulse at Ca (46ppm), first off-resonance null at CO(174ppm) */
pwC2, /* 180 degree pulse length at rf2 */
rf2, /* fine power for 11.4 kHz rf for 600MHz magnet */
/* the following pulse lengths for SLP pulses are automatically calculated */
/* by the macro "proteincal". SLP pulse shapes, "offC7" etc are called */
/* directly from your shapelib. */
pwC7 = getval("pwC7"), /*180 degree pulse at CO(174ppm) null at Ca(56ppm) */
pwC7a = getval("pwC7a"), /* pwC7a=pwC7, but not set to zero when pwC7=0 */
phshift7, /* phase shift induced on Cab by pwC7 ("offC7") pulse */
pwZ, /* the largest of pwC7 and 2.0*pwN */
pwZ1, /* the larger of pwC7a and 2.0*pwN for 1D experiments */
rf7, /* fine power for the pwC7 ("offC7") pulse */
/* the following pulse lengths for SLP pulses are automatically calculated */
/* by the macro "proteincal". SLP pulse shapes, "offC5" etc are called */
/* directly from your shapelib. */
pwC5 = getval("pwC5"), /*180 degree pulse at CO(174ppm) null at Ca(56ppm) */
rf5, /* fine power for the pwC7 ("offC7") pulse */
/* g3 inversion pulse in the t1 period (centred at 150ppm) */
pwCgCO_lvl = getval("pwCgCO_lvl"),
pwCgCO = getval("pwCgCO"),
compH = getval("compH"), /* adjustment for C13 amplifier compression */
compC = getval("compC"), /* adjustment for C13 amplifier compression */
pwHs = getval("pwHs"), /* H1 90 degree pulse length at tpwrs */
tpwrs, /* power for the pwHs ("H2Osinc") pulse */
pwHd, /* H1 90 degree pulse length at tpwrd */
tpwrd, /* rf for WALTZ decoupling */
waltzB1 = getval("waltzB1"), /* waltz16 field strength (in Hz) */
pwNlvl = getval("pwNlvl"), /* power for N15 pulses */
pwN = getval("pwN"), /* N15 90 degree pulse length at pwNlvl */
sw1 = getval("sw1"),
sw2 = getval("sw2"),
gstab = getval("gstab"),
gt1 = getval("gt1"), /* coherence pathway gradients */
gzcal = getval("gzcal"), /* g/cm to DAC conversion factor */
gzlvl1 = getval("gzlvl1"),
gzlvl2 = getval("gzlvl2"),
gt0 = getval("gt0"), /* other gradients */
gt3 = getval("gt3"),
gt4 = getval("gt4"),
gt5 = getval("gt5"),
gt7 = getval("gt7"),
gt8 = getval("gt8"),
gzlvl0 = getval("gzlvl0"),
gzlvl3 = getval("gzlvl3"),
gzlvl4 = getval("gzlvl4"),
gzlvl5 = getval("gzlvl5"),
gzlvl6 = getval("gzlvl6"),
gzlvl7 = getval("gzlvl7"),
gzlvl8 = getval("gzlvl8");
getstr("f1180",f1180);
getstr("f2180",f2180);
getstr("mag_flg",mag_flg);
getstr("TROSY",TROSY);
getstr("CT_c",CT_c);
getstr("h1dec",h1dec);
/* LOAD PHASE TABLE */
settable(t2,1,phy);
settable(t3,2,phi3);
settable(t4,1,phx);
settable(t5,4,phi5);
if (TROSY[A]=='y')
{settable(t8,1,phy);
settable(t9,1,phx);
settable(t10,1,phy);
settable(t11,1,phx);
settable(t12,4,recT);}
else
{settable(t8,1,phx);
settable(t9,8,phi9);
settable(t10,1,phx);
settable(t11,1,phy);
settable(t12,4,rec);}
/* INITIALIZE VARIABLES */
if( dpwrf < 4095 )
{ printf("reset dpwrf=4095 and recalibrate C13 90 degree pulse");
psg_abort(1); }
/* maximum fine power for pwC pulses */
rf0 = 4095.0;
/* 90 degree pulse on Cab, null at CO 128ppm away */
pwC1 = sqrt(15.0)/(4.0*128.0*dfrq);
rf1 = (compC*4095.0*pwC)/pwC1;
rf1 = (int) (rf1 + 0.5);
/* 180 degree pulse on Cab, null at CO 128ppm away */
pwC2 = sqrt(3.0)/(2.0*128.0*dfrq);
rf2 = (4095.0*compC*pwC*2.0)/pwC2;
rf2 = (int) (rf2 + 0.5);
if( rf2 > 4095 )
{ printf("Recalibrate so that C13 90 <22us*600/sfrq"); psg_abort(1);}
/* 180 degree one-lobe sinc pulse on CO, null at Ca 118ppm away */
rf7 = (compC*4095.0*pwC*2.0*1.65)/pwC7a; /* needs 1.65 times more */
rf7 = (int) (rf7 + 0.5); /* power than a square pulse */
/* 90 degree one-lobe sinc pulse on CO, null at Ca 118ppm away */
rf5 = (compC*4095.0*pwC*1.69)/pwC5; /* needs 1.69 times more */
rf5 = (int) (rf5 + 0.5); /* power than a square pulse */
/* the pwC7 pulse at the middle of t1 */
if ((nli2 > 0.0) && (nli == 1.0)) nli = 0.0;
if (pwC7a > 2.0*pwN) pwZ = pwC7a; else pwZ = 2.0*pwN;
if ((pwC7==0.0) && (pwC7a>2.0*pwN)) pwZ1=pwC7a-2.0*pwN; else pwZ1=0.0;
if ( nli > 1 ) pwC7 = pwC7a;
if ( pwC7 > 0 ) phshift7 = 320.0;
else phshift7 = 0.0;
/* selective H20 one-lobe sinc pulse */
tpwrs = tpwr - 20.0*log10(pwHs/(compH*pw*1.69)); /* needs 1.69 times more */
tpwrs = (int) (tpwrs); /* power than a square pulse */
/* power level and pulse time for WALTZ 1H decoupling */
pwHd = 1/(4.0 * waltzB1) ;
tpwrd = tpwr - 20.0*log10(pwHd/(compH*pw));
tpwrd = (int) (tpwrd + 0.5);
/* CHECK VALIDITY OF PARAMETER RANGES */
if ( 0.5*nli2*1/(sw2) > timeTN - WFG3_START_DELAY)
{ printf(" nli2 is too big. Make nli2 equal to %d or less.\n",
((int)((timeTN - WFG3_START_DELAY)*2.0*sw2))); psg_abort(1);}
if ( dm[A] == 'y' || dm[B] == 'y' || dm[C] == 'y' )
{ printf("incorrect dec1 decoupler flags! Should be 'nnn' "); psg_abort(1);}
if ( dm2[A] == 'y' || dm2[B] == 'y' )
{ printf("incorrect dec2 decoupler flags! Should be 'nny' "); psg_abort(1);}
if ( dm3[A] == 'y' || dm3[C] == 'y' )
{ printf("incorrect dec3 decoupler flags! Should be 'nyn' or 'nnn' ");
psg_abort(1);}
if ( dpwr2 > 46 )
{ printf("dpwr2 too large! recheck value "); psg_abort(1);}
if ( pw > 20.0e-6 )
{ printf(" pw too long ! recheck value "); psg_abort(1);}
if ( pwN > 100.0e-6 )
{ printf(" pwN too long! recheck value "); psg_abort(1);}
if ( TROSY[A]=='y' && dm2[C] == 'y')
{ text_error("Choose either TROSY='n' or dm2='n' ! "); psg_abort(1);}
/* PHASES AND INCREMENTED TIMES */
/* Phase incrementation for hypercomplex 2D data, States-Haberkorn element */
if (phase1 == 2) { tsadd(t3,1,4); tsadd(t2,1,4);}
if (TROSY[A]=='y')
{ if (phase2 == 2) icosel = +1;
else {tsadd(t4,2,4); tsadd(t10,2,4); icosel = -1;}
}
else { if (phase2 == 2) {tsadd(t10,2,4); icosel = +1;}
else icosel = -1;
}
/* Set up f1180 */
if( ix == 1) d2_init = d2;
tau1 = d2_init + (t1_counter) / sw1;
if((f1180[A] == 'y') && (nli > 1.0))
{ tau1 += ( 1.0 / (2.0*sw1) ); if(tau1 < 0.2e-6) tau1 = 0.0; }
tau1 = tau1/2.0;
/* Set up f2180 */
if( ix == 1) d3_init = d3;
tau2 = d3_init + (t2_counter) / sw2;
if((f2180[A] == 'y') && (nli2 > 1.0))
{ tau2 += ( 1.0 / (2.0*sw2) ); if(tau2 < 0.2e-6) tau2 = 0.0; }
tau2 = tau2/2.0;
/* Calculate modifications to phases for States-TPPI acquisition */
if(t1_counter % 2)
{ tsadd(t3,2,4); tsadd(t12,2,4); }
if(t2_counter % 2)
{ tsadd(t8,2,4); tsadd(t12,2,4); }
/* BEGIN PULSE SEQUENCE */
status(A);
delay(d1);
if (dm3[B] == 'y') lk_hold();
rcvroff();
obspower(tpwr);
decpower(pwClvl);
dec2power(pwNlvl);
decpwrf(rf0);
obsoffset(tof);
txphase(zero);
decphase(zero);
dcplrphase(zero);
delay(1.0e-5);
dec2rgpulse(pwN, zero, 0.0, 0.0); /*destroy N15 and C13 magnetization*/
decrgpulse(pwC, zero, 0.0, 0.0);
zgradpulse(gzlvl0, 0.5e-3);
delay(1.0e-4);
dec2rgpulse(pwN, one, 0.0, 0.0);
decrgpulse(pwC, zero, 0.0, 0.0);
zgradpulse(0.7*gzlvl0, 0.5e-3);
delay(5.0e-4);
rgpulse(pw,zero,0.0,0.0); /* 1H pulse excitation */
dec2phase(zero);
zgradpulse(gzlvl0, gt0);
delay(lambda - gt0);
sim3pulse(2.0*pw, 0.0, 2.0*pwN, zero, zero, zero, 0.0, 0.0);
txphase(one);
zgradpulse(gzlvl0, gt0);
delay(lambda - gt0);
rgpulse(pw, one, 0.0, 0.0);
obspower(tpwrs);
if (TROSY[A]=='y') {
txphase(two);
shaped_pulse("H2Osinc", pwHs, two, 5.0e-4, 0.0);
obspower(tpwr);
zgradpulse(gzlvl3, gt3);
delay(2.0e-4);
dec2rgpulse(pwN, zero, 0.0, 0.0);
delay(0.5*kappa - 2.0*pw);
rgpulse(2.0*pw, two, 0.0, 0.0);
obspower(tpwrd); /* POWER_DELAY */
decphase(zero);
dec2phase(zero);
decpwrf(rf7);
delay(timeTN - 0.5*kappa - POWER_DELAY -WFG_START_DELAY);
}
else {
txphase(zero);
shaped_pulse("H2Osinc", pwHs, zero, 5.0e-4, 0.0);
obspower(tpwrd);
zgradpulse(gzlvl3, gt3);
delay(2.0e-4);
dec2rgpulse(pwN, zero, 0.0, 0.0);
txphase(one);
delay(kappa - pwHd - 2.0e-6 - PRG_START_DELAY);
rgpulse(pwHd,one,0.0,0.0);
txphase(zero);
delay(2.0e-6);
obsprgon("waltz16", pwHd, 90.0); /* PRG_START_DELAY */
xmtron();
decphase(zero);
dec2phase(zero);
decpwrf(rf7);
delay(timeTN - kappa -WFG_START_DELAY);
}
sim3shaped_pulse("","offC7","",0.0, pwC7, 2.0*pwN, zero, zero, zero, 0.0, 0.0);
decphase(t3);
decpwrf(rf5);
delay(timeTN -WFG_STOP_DELAY -pwHd);
dec2rgpulse(pwN, zero, 0.0, 0.0);
if (TROSY[A]=='n') {
xmtroff();
obsprgoff();
rgpulse(pwHd,three,2.0e-6,0.0);
}
delay(2.0e-6);
zgradpulse(gzlvl3, gt3);
delay(2.0e-4);
decpwrf(rf5);
decshaped_pulse("offC5", pwC5, zero, 0.0, 0.0);
delay(2.0e-6);
zgradpulse(-gzlvl7, gt7);
decpwrf(rf0);
decphase(zero);
delay(zeta - gt7 - 0.5*10.933*pwC-2.0e-6);
decrgpulse(pwC*158.0/90.0, zero, 0.0, 0.0);
decrgpulse(pwC*171.2/90.0, two, 0.0, 0.0);
decrgpulse(pwC*342.8/90.0, zero, 0.0, 0.0); /* Shaka 6 composite */
decrgpulse(pwC*145.5/90.0, two, 0.0, 0.0);
decrgpulse(pwC*81.2/90.0, zero, 0.0, 0.0);
decrgpulse(pwC*85.3/90.0, two, 0.0, 0.0);
delay(2.0e-6);
zgradpulse(-gzlvl7, gt7);
decpwrf(rf5);
decphase(one);
txphase(one);
delay(zeta - gt7 - 0.5*10.933*pwC - WFG_START_DELAY-2.0e-6);
/* WFG_START_DELAY */
decshaped_pulse("offC5", pwC5, one, 0.0, 0.0);
delay(2.0e-6);
zgradpulse(1.33*gzlvl3,gt3);
delay(200.0e-6);
if(dm3[B] == 'y'){ /*optional 2H decoupling on */
dec3unblank();
dec3rgpulse(1/dmf3, one, 0.0, 0.0);
dec3unblank();
setstatus(DEC3ch, TRUE, 'w', FALSE, dmf3);
}
decpwrf(rf1);
decphase(t2);
txphase(one);
if (h1dec[A]=='y') {
rgpulse(pwHd,one,0.0,0.0);
txphase(zero);
delay(2.0e-6);
obsprgon("waltz16", pwHd, 90.0); /* PRG_START_DELAY */
xmtron();
}
decrgpulse(pwC1, t3, 0.0, 0.0);
decphase(zero);
decpwrf(rf2);
delay(tauCC -gt5 -202.0e-6 -POWER_DELAY- pwHd -PRG_STOP_DELAY -1/dmf3
-2.0e-6 - WFG_STOP_DELAY);
if(dm3[B] == 'y') { /*optional 2H decoupling off */
dec3rgpulse(1/dmf3, three, 0.0, 0.0);
dec3blank();
setstatus(DEC3ch, FALSE, 'w', FALSE, dmf3);
dec3blank();
}
else delay(1/dmf3 +WFG_STOP_DELAY);
if(h1dec[A]=='y') {
xmtroff();
obsprgoff(); /* PRG_STOP_DELAY */
rgpulse(pwHd,three,2.0e-6,0.0);
}
else delay(pwHd +2.0e-6 +PRG_STOP_DELAY);
delay(2.0e-6);
zgradpulse(-gzlvl5, gt5);
delay(200.0e-6);
decrgpulse(pwC2,zero,0.0,0.0);
delay(2.0e-6);
zgradpulse(-gzlvl5, gt5);
delay(200.0e-6);
decpwrf(rf1);
if(h1dec[A]=='y'){
rgpulse(pwHd,one,0.0,0.0);
txphase(zero);
delay(2.0e-6);
obsprgon("waltz16", pwHd, 90.0); /* PRG_START_DELAY */
xmtron();
}
else delay(pwHd+2.0e-6+PRG_START_DELAY);
if(dm3[B] == 'y'){ /*optional 2H decoupling on */
dec3unblank();
dec3rgpulse(1/dmf3, one, 0.0, 0.0);
dec3unblank();
setstatus(DEC3ch, TRUE, 'w', FALSE, dmf3);
}
else delay(1/dmf3+WFG_START_DELAY);
delay(tauCC -gt5 -202.0e-6 -POWER_DELAY -1/dmf3 -WFG_START_DELAY
-POWER_DELAY -pwHd -2.0e-6 -PRG_START_DELAY
-pwHd-2.0e-6-PRG_STOP_DELAY);
if((h1dec[A]=='y') && (h1dec[B]=='n')) {
xmtroff();
obsprgoff(); /* PRG_STOP_DELAY */
rgpulse(pwHd,one,2.0e-6,0.0);
decrgpulse(pwC1,t2,0.0,0.0);
}
else {
delay(pwHd+2.0e-6+PRG_STOP_DELAY-POWER_DELAY);
if ((h1dec[A]=='y')&&(h1dec[B]=='y')) {
delay(POWER_DELAY);
decrgpulse(pwC1,t2,0.0,0.0);
}
if ((h1dec[A]=='n')&&(h1dec[B]=='n')) {
obspower(tpwr);
simpulse(2.0*pw,pwC1,two,t2,0.0,0.0); /* Assuming 2.0*pw < pwC1 */
}
}
/* It could be h1dec='ny' ??? */
/* xxxxxxxxxxxxxxxxxxxxxx 13Cb EVOLUTION xxxxxxxxxxxxxxxxxx */
if (CT_c[0]=='n') {
if ((nli>1.0) && (tau1>0.0)) { /* total 13C evolution equals d2 exactly */
/* 2.0*pwC1/PI compensates for evolution at 64% rate during pwC1 */
decpwrf(rf7);
if(tau1 - 2.0*pwC1/PI - WFG3_START_DELAY - 0.5*pwZ > 0.0) {
delay(tau1 - 2.0*pwC1/PI - WFG3_START_DELAY - 0.5*pwZ);
/* WFG3_START_DELAY */
sim3shaped_pulse("", "offC7", "", 0.0, pwC7a, 2.0*pwN, zero, zero, zero,
0.0, 0.0);
initval(phshift7, v7);
decstepsize(1.0);
dcplrphase(v7); /* SAPS_DELAY */
delay(tau1 - 2.0*pwC1/PI - SAPS_DELAY - 0.5*pwZ - 2.0e-6);
}
else {
initval(180.0, v7);
decstepsize(1.0);
dcplrphase(v7); /* SAPS_DELAY */
delay(2.0*tau1 - 4.0*pwC1/PI - SAPS_DELAY - 2.0e-6);
}
}
else if (nli==1.0) { /* special 1D check of pwC7 phase enabled when nli=1 */
decpwrf(rf7);
delay(10.0e-6 + SAPS_DELAY + 0.5*pwZ1 + WFG_START_DELAY);
/* WFG3_START_DELAY */
sim3shaped_pulse("", "offC7", "", 0.0, pwC7, 2.0*pwN, zero, zero, zero,
2.0e-6, 0.0);
initval(phshift7, v7);
decstepsize(1.0);
dcplrphase(v7); /* SAPS_DELAY */
delay(10.0e-6 + WFG3_START_DELAY + 0.5*pwZ1);
}
else{ /* 13Ca evolution refocused for 1st increment */
decpwrf(rf2);
decrgpulse(pwC2, zero, 2.0e-6, 0.0);
}
} /* H1 dec. and H2 dec. status are not changed through nonCT evolution*/
else { /* 13C CONSTANT TIME EVOLUTION */
decpwrf(rf0);
decpower(pwCgCO_lvl);
if(h1dec[B]=='y') {
if(tau1 - 2.0*pwC1/PI -WFG_START_DELAY -2*POWER_DELAY> 0.0)
delay(tau1 - 2.0*pwC1/PI -WFG_START_DELAY - 2*POWER_DELAY);
decshaped_pulse("CgCO1",pwCgCO,zero,0.0,0.0);
delay(tauC -gt8 -202.0e-6 -pwHd -2.0e-6 -PRG_STOP_DELAY
-pwCgCO -pwC2 -WFG_STOP_DELAY-1/dmf3);
if(dm3[B] == 'y') { /*optional 2H decoupling off */
dec3rgpulse(1/dmf3, three, 0.0, 0.0);
dec3blank();
setstatus(DEC3ch, FALSE, 'w', FALSE, dmf3);
dec3blank();
}
else delay(1/dmf3+WFG_STOP_DELAY);
xmtroff();
obsprgoff(); /* PRG_STOP_DELAY */
rgpulse(pwHd,three,2.0e-6,0.0);
}
if ((h1dec[B]=='n')&&(dm3[B]=='n')) {
obspower(tpwr);
if(tau1 - 2.0*pwC1/PI -WFG_START_DELAY -3*POWER_DELAY> 0.0) {
delay(tau1 - 2.0*pwC1/PI -WFG3_START_DELAY - 3*POWER_DELAY);
simshaped_pulse("","CgCO1",2.0*pw,pwCgCO,two,zero,0.0,0.0);
}
else simshaped_pulse("","CgCO1",2.0*pw,pwCgCO,two,zero,0.0,0.0);
obspower(tpwrd);
delay(tauC -gt8 -202.0e-6 -pwCgCO -pwC2 -POWER_DELAY);
}
if ((h1dec[B]=='n')&&(dm3[B]=='y')) {
obspower(tpwr);
if(tau1 - 2.0*pwC1/PI - WFG_START_DELAY -3*POWER_DELAY> 0.0) {
delay(tau1 - 2.0*pwC1/PI - WFG3_START_DELAY - 3*POWER_DELAY);
decshaped_pulse("CgCO1",pwCgCO,zero,0.0,0.0);
}
else decshaped_pulse("CgCO1",pwCgCO,zero,0.0,0.0);
delay(taud-0.5*pwC2-WFG_START_DELAY-WFG_STOP_DELAY-pwCgCO);
rgpulse(2.0*pw,two,0.0,0.0);
obspower(tpwrd);
delay(tauC -taud -gt8 -202e-6 -2.0*pw -POWER_DELAY -1/dmf3
-pwCgCO -pwC2 -WFG_STOP_DELAY);
dec3rgpulse(1/dmf3, three, 0.0, 0.0);
dec3blank();
setstatus(DEC3ch, FALSE, 'w', FALSE, dmf3);
dec3blank();
}
delay(2.0e-6);
zgradpulse(gzlvl8,gt8);
delay(200.0e-6-2*POWER_DELAY);
decpower(pwClvl);decpwrf(rf2);
decrgpulse(pwC2,zero,0.0,0.0);
delay(2.0e-6);
zgradpulse(gzlvl8,gt8);
delay(200.0e-6-2*POWER_DELAY);
decpower(pwCgCO_lvl);decpwrf(rf0);
if(h1dec[A]=='y'){
rgpulse(pwHd,one,0.0,0.0);
txphase(zero);
delay(2.0e-6);
obsprgon("waltz16", pwHd, 90.0); /* PRG_START_DELAY */
xmtron();
}
else delay(pwHd+ 2.0e-6 +PRG_START_DELAY);
if(dm3[B] == 'y'){ /*optional 2H decoupling on */
dec3unblank();
dec3rgpulse(1/dmf3, one, 0.0, 0.0);
dec3unblank();
setstatus(DEC3ch, TRUE, 'w', FALSE, dmf3);
}
else delay(1/dmf3+WFG_START_DELAY);
delay(tauC -tau1 -202.0e-6 -gt8 -pwCgCO -WFG_START_DELAY
-WFG_STOP_DELAY -POWER_DELAY -1/dmf3 -WFG_START_DELAY
-pwHd -2.0e-6 -PRG_START_DELAY);
decshaped_pulse("CgCO2",pwCgCO,zero,0.0,0.0);
} /* END of C13 CONSTANT TIME EVOLUTION */
decphase(one);
decpower(pwClvl);
decpwrf(rf1);
decrgpulse(pwC1, one, 2.0e-6, 0.0);
delay(tauCC - gt5 -202.0e-6 -2.0e-6 -pwHd -PRG_STOP_DELAY
-1/dmf3 -WFG_STOP_DELAY);
if(dm3[B] == 'y') { /*optional 2H decoupling off */
dec3rgpulse(1/dmf3, three, 0.0, 0.0);
dec3blank();
setstatus(DEC3ch, FALSE, 'w', FALSE, dmf3);
dec3blank();
}
else delay(1/dmf3+WFG_STOP_DELAY);
if(h1dec[B]=='y') {
xmtroff();
obsprgoff(); /* PRG_STOP_DELAY */
rgpulse(pwHd,three,2.0e-6,0.0);
}
else delay(2.0e-6+pwHd+PRG_STOP_DELAY);
delay(2.0e-6);
zgradpulse(gzlvl5*1.33, gt5);
delay(200.0e-6-2.0*POWER_DELAY);
decpwrf(rf2);
decphase(zero);
decrgpulse(pwC2, zero, 0.0, 0.0);
delay(2.0e-6);
zgradpulse(gzlvl5*1.33,gt5);
delay(200.0e-6-2.0*POWER_DELAY);
decpwrf(rf1);
decphase(t5);
if(h1dec[A]=='y'){
rgpulse(pwHd,one,0.0,0.0);
txphase(zero);
delay(2.0e-6);
obsprgon("waltz16", pwHd, 90.0); /* PRG_START_DELAY */
xmtron();
}
else delay(pwHd+ 2.0e-6 +PRG_START_DELAY);
if(dm3[B] == 'y'){ /*optional 2H decoupling on */
dec3unblank();
dec3rgpulse(1/dmf3, one, 0.0, 0.0);
dec3unblank();
setstatus(DEC3ch, TRUE, 'w', FALSE, dmf3);
}
else delay(1/dmf3+WFG_START_DELAY);
delay(tauCC - gt5 -202.0e-6 -1/dmf3 -WFG_START_DELAY -2.0e-6 -pwHd
-PRG_START_DELAY);
/*decrgpulse(pwC1, t5, 0.0, 0.0); */
decrgpulse(pwC1, zero, 0.0, 0.0);
decpwrf(rf5);
decshaped_pulse("offC5", pwC5, one, 0.0, 0.0);
delay(zeta - gt7 -202.0e-6 - pwHd -2.0e-6 -PRG_STOP_DELAY
-1/dmf3 -WFG_STOP_DELAY -0.5*10.933*pwC-2.0e-6);
if(dm3[B] == 'y') { /*optional 2H decoupling off */
dec3rgpulse(1/dmf3, three, 0.0, 0.0);
dec3blank();
setstatus(DEC3ch, FALSE, 'w', FALSE, dmf3);
dec3blank();
}
else delay(1/dmf3+WFG_STOP_DELAY);
if(h1dec[A]=='y') {
xmtroff();
obsprgoff(); /* PRG_STOP_DELAY */
rgpulse(pwHd,three,2.0e-6,0.0);
}
else delay(2.0e-6+pwHd+PRG_STOP_DELAY);
delay(2.0e-6);
zgradpulse(-gzlvl7, gt7);
decpwrf(rf0);
decphase(zero);
delay(200.0e-6-2.0*POWER_DELAY);
decrgpulse(pwC*158.0/90.0, zero, 0.0, 0.0);
decrgpulse(pwC*171.2/90.0, two, 0.0, 0.0);
decrgpulse(pwC*342.8/90.0, zero, 0.0, 0.0); /* Shaka 6 composite */
decrgpulse(pwC*145.5/90.0, two, 0.0, 0.0);
decrgpulse(pwC*81.2/90.0, zero, 0.0, 0.0);
decrgpulse(pwC*85.3/90.0, two, 0.0, 0.0);
delay(2.0e-6);
zgradpulse(-gzlvl7, gt7);
delay(200.0e-6);
decpwrf(rf5);
decphase(one);
txphase(one);
if(h1dec[A]=='y'){
rgpulse(pwHd,one,0.0,0.0);
txphase(zero);
delay(2.0e-6);
obsprgon("waltz16", pwHd, 90.0); /* PRG_START_DELAY */
xmtron();
}
else delay(pwHd+ 2.0e-6 +PRG_START_DELAY);
if(dm3[B] == 'y'){ /*optional 2H decoupling on */
dec3unblank();
dec3rgpulse(1/dmf3, one, 0.0, 0.0);
dec3unblank();
setstatus(DEC3ch, TRUE, 'w', FALSE, dmf3);
}
else delay(1/dmf3+WFG_START_DELAY);
delay(zeta - gt7 - 0.5*10.933*pwC - WFG_START_DELAY-2.0e-6
-1/dmf3 -WFG_START_DELAY -pwHd -2.0e-6 -PRG_START_DELAY);
/* WFG_START_DELAY */
decshaped_pulse("offC5", pwC5, t5, 0.0, 0.0);
/* xxxxxxxxxxxxxxxxxx OPTIONS FOR N15 EVOLUTION xxxxxxxxxxxxxxxxxxxxx */
dec2phase(t8);
txphase(one);
dcplrphase(zero);
obspower(tpwrd);
if(dm3[B] == 'y') { /*optional 2H decoupling off */
dec3rgpulse(1/dmf3, three, 0.0, 0.0);
dec3blank();
setstatus(DEC3ch, FALSE, 'w', FALSE, dmf3);
dec3blank();
}
if(h1dec[A]=='y') {
xmtroff();
obsprgoff(); /* PRG_STOP_DELAY */
rgpulse(pwHd,three,2.0e-6,0.0);
}
zgradpulse(gzlvl4, gt4);
delay(2.0e-4);
if (TROSY[A]=='n') {
rgpulse(pwHd,one,0.0,0.0);
txphase(zero);
delay(2.0e-6);
obsprgon("waltz16", pwHd, 90.0);
xmtron();
}
dec2rgpulse(pwN, t8, 0.0, 0.0);
decphase(zero);
dec2phase(t9);
decpwrf(rf7);
delay(timeTN - tau2);
sim3shaped_pulse("","offC7","",0.0, pwC7, 2.0*pwN, zero, zero, t9, 0.0, 0.0);
dec2phase(t10);
decpwrf(rf5);
if (TROSY[A]=='y')
{ if (tau2 > gt1 + 2.0*GRADIENT_DELAY + 1.5e-4 + pwHs)
{
txphase(three);
delay(timeTN - pwC2) ; /* WFG_START_DELAY */
decrgpulse(pwC2, zero, 0.0, 0.0);
delay(tau2 - gt1 - 2.0*GRADIENT_DELAY - 1.5e-4 - pwHs);
if (mag_flg[A]=='y') magradpulse(icosel*gzcal*gzlvl1, gt1);
else zgradpulse(icosel*gzlvl1, gt1); /* 2.0*GRADIENT_DELAY */
obspower(tpwrs); /* POWER_DELAY */
delay(1.0e-4 - POWER_DELAY);
shaped_pulse("H2Osinc", pwHs, three, 0.0, 0.0);
txphase(t4);
obspower(tpwr); /* POWER_DELAY */
delay(0.5e-4 - POWER_DELAY);
}
else if (tau2 > pwHs + 0.5e-4)
{
txphase(three);
delay(timeTN-pwC2-gt1-2.0*GRADIENT_DELAY-1.0e-4);
if (mag_flg[A]=='y') magradpulse(icosel*gzcal*gzlvl1, gt1);
else zgradpulse(icosel*gzlvl1, gt1); /* 2.0*GRADIENT_DELAY */
obspower(tpwrs); /* POWER_DELAY */
delay(1.0e-4 - POWER_DELAY); /* WFG_START_DELAY */
decrgpulse(pwC2, zero, 0.0, 0.0);
delay(tau2 - pwHs - 0.5e-4);
shaped_pulse("H2Osinc", pwHs, three, 0.0, 0.0);
txphase(t4);
obspower(tpwr); /* POWER_DELAY */
delay(0.5e-4 - POWER_DELAY);
}
else
{
txphase(three);
delay(timeTN - pwC2 - gt1 - 2.0*GRADIENT_DELAY
- 1.5e-4 - pwHs);
if (mag_flg[A]=='y') magradpulse(icosel*gzcal*gzlvl1, gt1);
else zgradpulse(icosel*gzlvl1, gt1); /* 2.0*GRADIENT_DELAY */
obspower(tpwrs); /* POWER_DELAY */
delay(1.0e-4 - POWER_DELAY); /* WFG_START_DELAY */
shaped_pulse("H2Osinc", pwHs, three, 0.0, 0.0);
txphase(t4);
obspower(tpwr); /* POWER_DELAY */
delay(0.5e-4 - POWER_DELAY);
decrgpulse(pwC2, zero, 0.0, 0.0);
delay(tau2);
}
}
else
{
if (tau2 > kappa)
{
delay(timeTN - pwC2); /* WFG_START_DELAY */
decrgpulse(pwC2, zero, 0.0, 0.0);
delay(tau2 - kappa - PRG_STOP_DELAY - pwHd - 2.0e-6);
xmtroff();
obsprgoff(); /* PRG_STOP_DELAY */
rgpulse(pwHd,three,2.0e-6,0.0);
txphase(t4);
delay(kappa - gt1 - 2.0*GRADIENT_DELAY - 1.0e-4);
if (mag_flg[A]=='y') magradpulse(icosel*gzcal*gzlvl1, gt1);
else zgradpulse(icosel*gzlvl1, gt1); /* 2.0*GRADIENT_DELAY */
obspower(tpwr); /* POWER_DELAY */
delay(1.0e-4 - POWER_DELAY);
}
else if (tau2 > (kappa - pwC2))
{
delay(timeTN + tau2 - kappa - PRG_STOP_DELAY - pwHd - 2.0e-6);
xmtroff();
obsprgoff(); /* PRG_STOP_DELAY */
rgpulse(pwHd,three,2.0e-6,0.0);
txphase(t4); /* WFG_START_DELAY */
decrgpulse(pwC2, zero, 0.0, 0.0);
delay(kappa -pwC2 -gt1 -2.0*GRADIENT_DELAY -1.0e-4);
if (mag_flg[A]=='y') magradpulse(icosel*gzcal*gzlvl1, gt1);
else zgradpulse(icosel*gzlvl1, gt1); /* 2.0*GRADIENT_DELAY */
obspower(tpwr); /* POWER_DELAY */
delay(1.0e-4 - POWER_DELAY);
}
else if (tau2 > gt1 + 2.0*GRADIENT_DELAY + 1.0e-4)
{
delay(timeTN + tau2 - kappa - PRG_STOP_DELAY - pwHd - 2.0e-6);
xmtroff();
obsprgoff(); /* PRG_STOP_DELAY */
rgpulse(pwHd,three,2.0e-6,0.0);
txphase(t4);
delay(kappa - tau2 - pwC2 ); /* WFG_START_DELAY */
decrgpulse(pwC2, zero, 0.0, 0.0);
delay(tau2 - gt1 - 2.0*GRADIENT_DELAY - 1.0e-4);
if (mag_flg[A]=='y') magradpulse(icosel*gzcal*gzlvl1, gt1);
else zgradpulse(icosel*gzlvl1, gt1); /* 2.0*GRADIENT_DELAY */
obspower(tpwr); /* POWER_DELAY */
delay(1.0e-4 - POWER_DELAY);
}
else
{
delay(timeTN + tau2 - kappa - PRG_STOP_DELAY - pwHd - 2.0e-6);
xmtroff();
obsprgoff(); /* PRG_STOP_DELAY */
rgpulse(pwHd,three,2.0e-6,0.0);
txphase(t4);
delay(kappa-tau2-pwC2-gt1-2.0*GRADIENT_DELAY-1.0e-4);
if (mag_flg[A]=='y') magradpulse(icosel*gzcal*gzlvl1, gt1);
else zgradpulse(icosel*gzlvl1, gt1); /* 2.0*GRADIENT_DELAY */
obspower(tpwr); /* POWER_DELAY */
delay(1.0e-4 - POWER_DELAY); /* WFG_START_DELAY */
decrgpulse(pwC2, zero, 0.0, 0.0);
delay(tau2);
}
}
/* xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx */
if (TROSY[A]=='y') rgpulse(pw, t4, 0.0, 0.0);
else sim3pulse(pw, 0.0, pwN, t4, zero, t10, 0.0, 0.0);
txphase(zero);
dec2phase(zero);
zgradpulse(gzlvl5, gt5);
if (TROSY[A]=='y') delay(lambda - 0.65*(pw + pwN) - gt5);
else delay(lambda - 1.3*pwN - gt5);
sim3pulse(2.0*pw, 0.0, 2.0*pwN, zero, zero, zero, 0.0, 0.0);
zgradpulse(gzlvl5, gt5);
txphase(one);
dec2phase(t11);
delay(lambda - 1.3*pwN - gt5);
sim3pulse(pw, 0.0, pwN, one, zero, t11, 0.0, 0.0);
txphase(zero);
dec2phase(zero);
zgradpulse(gzlvl6, gt5);
delay(lambda - 1.3*pwN - gt5);
sim3pulse(2.0*pw, 0.0, 2.0*pwN, zero, zero, zero, 0.0, 0.0);
dec2phase(t10);
zgradpulse(gzlvl6, gt5);
if (TROSY[A]=='y') delay(lambda - 1.6*pwN - gt5);
else delay(lambda - 0.65*pwN - gt5);
if (TROSY[A]=='y') dec2rgpulse(pwN, t10, 0.0, 0.0);
else rgpulse(pw, zero, 0.0, 0.0);
delay((gt1/10.0) + gstab - 0.5*pw + 2.0*GRADIENT_DELAY + POWER_DELAY);
rgpulse(2.0*pw, zero, 0.0, rof1);
dec2power(dpwr2); /* POWER_DELAY */
if (mag_flg[A] == 'y') magradpulse(gzcal*gzlvl2, gt1/10.0);
else zgradpulse(gzlvl2, gt1/10.0); /* 2.0*GRADIENT_DELAY */
statusdelay(C,gstab- rof1);
if (dm3[B]=='y') lk_sample();
setreceiver(t12);
}