void module_process_frame(void) {
static fract32 tmpDel, tmpSvf;
u8 i;
tmpDel = 0;
tmpSvf = 0;
// mix inputs to delay lines
mix_del_inputs();
/// TEST
for(i=0; i<NLINES; i++) {
// process fade integrator
// lines[i].fadeWr = filter_ramp_tog_next(&(lpFadeWr[i]));
lines[i].fadeRd = filter_ramp_tog_next(&(lpFadeRd[i]));
// process delay line
tmpDel = delayFadeN_next( &(lines[i]), in_del[i]);
// process filters
// check integrators for filter params
if( !(svfCutSlew[i].sync) ) {
filter_svf_set_coeff( &(svf[i]), filter_1p_lo_next(&(svfCutSlew[i])) );
}
if( !(svfRqSlew[i].sync) ) {
filter_svf_set_rq( &(svf[i]), filter_1p_lo_next(&(svfRqSlew[i])) );
}
tmpSvf = filter_svf_next( &(svf[i]), tmpDel);
// mix
tmpDel = mult_fr1x32x32( tmpDel, mix_fdry[i] );
tmpDel = add_fr1x32(tmpDel, mult_fr1x32x32(tmpSvf, mix_fwet[i]) );
out_del[i] = tmpDel;
} // end lines loop
// mix outputs to DACs
/// TEST
/* out[0] = in[0]; */
/* out[1] = in[1]; */
/* out[2] = in[2]; */
/* out[3] = in[3]; */
out[0] = out[1] = out[2] = out[3] = 0x00000000;
mix_outputs();
/// do CV output
if( cvSlew[cvChan].sync ) { ;; } else {
cvVal[cvChan] = filter_1p_lo_next(&(cvSlew[cvChan]));
dac_update(cvChan, cvVal[cvChan]);
}
if(++cvChan == 4) {
cvChan = 0;
}
}
// frame calculation
static void calc_frame(void) {
#if 1
u8 i;
wavesVoice* v;
for(i=0; i<WAVES_NVOICES; i++) {
v = &(voice[i]);
// oscillator class includes hz and mod integrators
v->oscOut = shr_fr1x32( osc_next( &(v->osc) ), 2);
// phase mod with fixed 1-frame delay
osc_pm_in( &(v->osc), v->pmIn );
// shape mod with fixed 1-frame delay
osc_wm_in( &(v->osc), v->wmIn );
// process filter integrators and set
filter_svf_set_coeff( &(v->svf), filter_1p_lo_next( &(v->cutSlew) ) );
filter_svf_set_rq( &(v->svf), filter_1p_lo_next( &(v->rqSlew) ) );
// process filter
v->svfOut = filter_svf_next( &(v->svf), shr_fr1x32(v->oscOut, 1) );
// process amp smoother
v->amp = filter_1p_lo_next( &(v->ampSlew) );
// mix to output bus
v->out = mult_fr1x32x32(v->amp,
add_fr1x32(mult_fr1x32x32( v->oscOut, v->fDry),
mult_fr1x32x32( v->svfOut, v->fWet)
)
);
} // end voice loop
/// FIXME: later, more voices, mod matrix, arbitrary mod delay.
/// for now, simple direct mod feedback routing and 1-frame delay.
voice[0].pmIn = voice[1].oscOut;
// voice[0].wmIn = voice[1].oscOut << 1;
voice[1].pmIn = voice[0].oscOut;
// voice[1].wmIn = voice[0].oscOut << 1;
// mix outputs using matrix
mix_outputs();
#else
/* // fract32 out1, out0; */
/* // osc output */
/* oscOut1 = shr_fr1x32(osc_next( &(osc1) ), 2); */
/* oscOut0 = shr_fr1x32(osc_next( &(osc0) ), 2); */
/* // phase mod feedback with 1frame delay */
/* osc_pm_in( &osc1, oscOut0 ); */
/* osc_pm_in( &osc0, oscOut1 ); */
/* // shape mod feedback with 1frame delay */
/* osc_wm_in( &osc1, oscOut0 ); */
/* osc_wm_in( &osc0, oscOut1 ); */
/* /////////// */
/* /////////// */
/* // apply filters */
/* if( !(svfCutSlew[i].sync) ) { */
/* filter_svf_set_coeff( &(svf[i]), filter_1p_lo_next(&(svfCutSlew[i])) ); */
/* } */
/* if( !(svfRqSlew[i].sync) ) { */
/* filter_svf_set_rq( &(svf[i]), filter_1p_lo_next(&(svfRqSlew[i])) ); */
/* } */
/* // svfOut1 = shl_fr1x32(filter_svf_next( &(svf1), shr_fr1x32(oscOut1, 1)), 1); */
/* // svfOut2 = shl_fr1x32(filter_svf_next( &(svf2), shr_fr1x32(oscOut2, 1)), 1); */
/* svfOut1 = filter_svf_next( &(svf1), shr_fr1x32(oscOut1, 1)); */
/* svfOut0 = filter_svf_next( &(svf0), shr_fr1x32(oscOut0, 1)); */
/* ///////// */
/* ///////// */
/* // amp smoothers */
/* oscAmp1 = filter_1p_lo_next(amp1Lp); */
/* oscAmp0 = filter_1p_lo_next(amp0Lp); */
/* // apply osc amplitudes and sum */
/* oscOut1 = mult_fr1x32x32(oscAmp1, */
/* add_fr1x32(mult_fr1x32x32( oscOut1, fdry1), */
/* mult_fr1x32x32( svfOut1, fwet1) */
/* )); */
/* oscOut0 = mult_fr1x32x32(oscAmp0, */
/* add_fr1x32(mult_fr1x32x32( oscOut0, fdry0), */
/* mult_fr1x32x32( svfOut0, fwet0) */
/* )); */
/* //// */
/* /// fixme: mono */
/* frameVal = add_fr1x32( oscOut0, oscOut1); */
/* // mix to output */
/* //...todo */
#endif
}