void MICCD::updateTemperature()
{
float ccdtemp = 0;
float ccdpower = 0;
int err = 0;
if (isSimulation())
{
ccdtemp = TemperatureN[0].value;
if (TemperatureN[0].value < TemperatureRequest)
ccdtemp += TEMP_THRESHOLD;
else if (TemperatureN[0].value > TemperatureRequest)
ccdtemp -= TEMP_THRESHOLD;
ccdpower = 30;
}
else
{
if (gxccd_get_value(cameraHandle, GV_CHIP_TEMPERATURE, &ccdtemp) < 0)
{
char errorStr[MAX_ERROR_LEN];
gxccd_get_last_error(cameraHandle, errorStr, sizeof(errorStr));
LOGF_ERROR("Getting temperature failed: %s.", errorStr);
err |= 1;
}
if (gxccd_get_value(cameraHandle, GV_POWER_UTILIZATION, &ccdpower) < 0)
{
char errorStr[MAX_ERROR_LEN];
gxccd_get_last_error(cameraHandle, errorStr, sizeof(errorStr));
LOGF_ERROR("Getting voltage failed: %s.", errorStr);
err |= 2;
}
}
TemperatureN[0].value = ccdtemp;
CoolerN[0].value = ccdpower * 100.0;
if (TemperatureNP.s == IPS_BUSY && fabs(TemperatureN[0].value - TemperatureRequest) <= TEMP_THRESHOLD)
{
// end of temperature ramp
TemperatureN[0].value = TemperatureRequest;
TemperatureNP.s = IPS_OK;
}
if (err)
{
if (err & 1)
TemperatureNP.s = IPS_ALERT;
if (err & 2)
CoolerNP.s = IPS_ALERT;
}
else
{
CoolerNP.s = IPS_OK;
}
IDSetNumber(&TemperatureNP, nullptr);
IDSetNumber(&CoolerNP, nullptr);
temperatureID = IEAddTimer(POLLMS, MICCD::updateTemperatureHelper, this);
}
bool MICCD::setupParams()
{
bool sim = isSimulation();
if (sim)
{
SetCCDParams(4032, 2688, 16, 9, 9);
}
else
{
int chipW, chipD, pixelW, pixelD;
gxccd_get_integer_parameter(cameraHandle, GIP_CHIP_W, &chipW);
gxccd_get_integer_parameter(cameraHandle, GIP_CHIP_D, &chipD);
gxccd_get_integer_parameter(cameraHandle, GIP_PIXEL_W, &pixelW);
gxccd_get_integer_parameter(cameraHandle, GIP_PIXEL_D, &pixelD);
SetCCDParams(chipW, chipD, 16, pixelW / 1000.0, pixelD / 1000.0);
}
int nbuf = PrimaryCCD.getXRes() * PrimaryCCD.getYRes() * PrimaryCCD.getBPP() / 8;
nbuf += 512;
PrimaryCCD.setFrameBufferSize(nbuf);
int expTime = 0;
gxccd_get_integer_parameter(cameraHandle, GIP_MINIMAL_EXPOSURE, &expTime);
minExpTime = expTime / 1000000.0; // convert to seconds
PrimaryCCD.setMinMaxStep("CCD_EXPOSURE", "CCD_EXPOSURE_VALUE", minExpTime, 3600, 1, false);
gxccd_get_integer_parameter(cameraHandle, GIP_MAX_BINNING_X, &maxBinX);
gxccd_get_integer_parameter(cameraHandle, GIP_MAX_BINNING_Y, &maxBinY);
if (!sim && hasGain)
{
float gain = 0;
if (gxccd_get_value(cameraHandle, GV_ADC_GAIN, &gain) < 0)
{
char errorStr[MAX_ERROR_LEN];
gxccd_get_last_error(cameraHandle, errorStr, sizeof(errorStr));
DEBUGF(INDI::Logger::DBG_ERROR, "Getting gain failed: %s.", errorStr);
GainN[0].value = 0;
GainNP.s = IPS_ALERT;
IDSetNumber(&GainNP, NULL);
return false;
}
else
{
GainN[0].value = gain;
GainNP.s = IPS_OK;
IDSetNumber(&GainNP, NULL);
}
}
return true;
}
