int qhy9_setColorWheel(int Pos)
{
unsigned char REG[2];
REG[0] = 0x5A; // Identity code
REG[1] = (unsigned char) Pos; //0,1,2,3,4
return (qhy_cameraIO(qhy_core_getendp()->write, qhy_core_getreq()->wheel, REG, sizeof(REG), 0, 0));
}
int qhy7_setregisters(qhy_exposure *expar)
{
int retval = 1;
int time, Vbin, Hbin, ShortExp, antiamp, PatchNumber;
int top_skip = 0, bot_skip = 0;
int top_skip_pix = 0, top_skip_null = 10;
unsigned char time_H,time_M,time_L;
expar->wtime = expar->time;
bin = expar->bin;
if(expar->time < SHORTEXP)
{
ShortExp = 1;
time = expar->time;
}
else
{
ShortExp = 0;
time = expar->time - SHORTEXP;
}
//account for general 1% error on exp time for all QHY camera tested so far
time = (int) (time - (time / 100));
antiamp = 0;
switch ( expar->amp )
{
case 0:
antiamp = 1;
break;
case 1:
antiamp = 0;
break;
case 2: if (time > 550)
antiamp = 1;
break;
default:
printf( "Error: Registers NOT set (amp)!\n");
return 2;
}
// It looks like libusb1.0 is very picky about "transfer_size" value.
// Please have a look at the complete comment near the bulk_read
// Please notice width@bin3 && bin4
//printf("ix: %d, iy %d\n", img_w, img_h);
switch ( bin )
{
case 1:
i_width = 2112; height = 2072; width = i_width; Vbin = bin; Hbin = bin; //P_Size = 2849 * 1024;
break;
case 2:
i_width = 1056; height = 1036; width = i_width; Vbin = bin; Hbin = bin;
break;
case 3:
i_width = 2112; height = 691; Vbin = bin; Hbin = 1; width = i_width / 3;
break;
case 4:
i_width = 1056; height = 518; Vbin = bin; Hbin = 2; width = i_width / 2;
break;
default:
printf( "Error: Registers NOT set (bin)!\n");
return 2;
}
// Check for ROI (if valid)
if (expar->width > 0 && expar->width < (i_width / (bin/Hbin)))
{
width = expar->width;
}
else
{
expar->width = width;
}
if (expar->height > 0 && expar->height < height)
{
top_skip_null = 25;
top_skip = (height - expar->height);
if (bin == 1)
{
top_skip = (int)(top_skip / 2);
}
bot_skip = height - top_skip - expar->height;
height = expar->height;
}
else
{
expar->height = height;
}
//printf("x: %d, y %d, tops %d, bots %d fx %d\n", i_width, height, top_skip, bot_skip, width);
totalsize = i_width * 2 * height;
expar->totsize = totalsize;
// Looks like the actual transfer size is a multiple of 1024 or 512 (Camera dependent. QHY7=1024, QHY9=512)
// Either is the nearest (round) or is the floor value (Again camera dependent QHY6=512 round)
transfer_size = 1024 * (int)(totalsize / 1024);
expar->tsize = transfer_size;
PatchNumber = qhy_getPatch(totalsize, 1024, 0);
time_L=fmod(time,256);
time_M=(time-time_L)/256;
time_H=(time-time_L-time_M*256)/65536;
REG[0]=(int)((expar->gain * 63) / 100); //Camera gain range 0-63
REG[1]=expar->offset; //Offset : range 0-255 default is 120
REG[2]=time_H; //unit is ms 24bit
REG[3]=time_M;
REG[4]=time_L;
REG[5]=Hbin; // Horizonal BINNING 0 = 1= No bin
REG[6]=Vbin; // Vertical Binning 0 = 1= No bin
REG[7]=qhy_MSB(i_width); // The readout X Unit is pixel 16Bit
REG[8]=qhy_LSB(i_width);
REG[9]= qhy_MSB(height); // The readout Y unit is line 16Bit
REG[10]=qhy_LSB(height);
REG[11]=qhy_MSB(top_skip); // use for subframe Skip lines on top 16Bit
REG[12]=qhy_LSB(top_skip);
REG[13]=qhy_MSB(bot_skip); // use for subframe Skip lines on Buttom 16Bit
REG[14]=qhy_LSB(bot_skip); // VerticalSize + SKIP_TOP + SKIP_BOTTOM should be the actual CCD Y size
REG[15]=0; // LiveVideo no use for QHY7-8-9 16Bit set to 0
REG[16]=0;
REG[17]=qhy_MSB(PatchNumber); // PatchNumber 16Bit
REG[18]=qhy_LSB(PatchNumber);
REG[19]=0; // AnitInterlace no use for QHY8-9-11 16Bit set to 0
REG[20]=0;
REG[22]=0; // MultiFieldBIN no use for QHY9 set to 0
REG[29]=0x0000; // ClockADJ no use for QHY9-11 16Bit set to 0
REG[30]=0;
REG[32]=antiamp; // 1: anti-amp light mode
REG[33]=expar->speed; // 0: low speed 1: high speed
REG[35]=0; // TgateMode if set to 1 , the camera will exposure forever, till the ForceStop command coming
REG[36]=ShortExp; // ShortExposure no use for QHY9 set to 0
REG[37]=0; // VSUB no use for QHY8-9-11 set to 0
REG[38]=0; // Unknown reg.CLAMP
REG[42]=0; // TransferBIT no use for QHY8-9-11 set to 0
REG[46]=top_skip_null; // TopSkipNull unit is line.
REG[47]=qhy_MSB(top_skip_pix); // TopSkipPix no use for QHY9-11 16Bit set to 0
REG[48]=qhy_LSB(top_skip_pix);
REG[51]=0; // QHY9 0: programme control mechanical shutter automaticly 1: programme will not control shutter.
REG[52]=0; // DownloadCloseTEC no use for QHY9 set to 0
REG[53]=0; // Unknown: (reg.WindowHeater&~0xf0)*16+(reg.MotorHeating&~0xf0)
REG[58]=100; // SDRAM_MAXSIZE no use for QHY8-9-11 set to 0
REG[63]=0; // Unknown reg.Trig
if (memcmp(REG, REGBCK, sizeof(REG)) || expar->edit)
{
// If different from the last sent values
if ((retval = qhy_cameraIO(qhy_core_getendp()->write, qhy_core_getreq()->sendregs, REG, sizeof(REG), 0, 0)) == 1)
{
expar->edit = 0;
}
// Store last sent values
memcpy(REGBCK , REG, sizeof(REG) );
}
return retval;
}
