bool MICCD::StartExposure(float duration)
{
imageFrameType = PrimaryCCD.getFrameType();
useShutter = (imageFrameType == INDI::CCDChip::LIGHT_FRAME || imageFrameType == INDI::CCDChip::FLAT_FRAME);
if (!isSimulation())
{
// read modes in G2/G3/G4 cameras are in inverse order, we have to calculate correct value
int mode, prm;
gxccd_get_integer_parameter(cameraHandle, GIP_PREVIEW_READ_MODE, &prm);
if (prm == 0) // preview mode == 0 means smaller G0/G1 cameras
mode = IUFindOnSwitchIndex(&ReadModeSP);
else
mode = prm - IUFindOnSwitchIndex(&ReadModeSP);
gxccd_set_read_mode(cameraHandle, mode);
// send binned coords
int x = PrimaryCCD.getSubX() / PrimaryCCD.getBinX();
int y = PrimaryCCD.getSubY() / PrimaryCCD.getBinY();
int w = PrimaryCCD.getSubW() / PrimaryCCD.getBinX();
int d = PrimaryCCD.getSubH() / PrimaryCCD.getBinY();
gxccd_start_exposure(cameraHandle, duration, useShutter, x, y, w, d);
}
ExposureRequest = duration;
PrimaryCCD.setExposureDuration(duration);
gettimeofday(&ExpStart, nullptr);
InExposure = true;
downloading = false;
LOGF_DEBUG("Taking a %.3f seconds frame...", ExposureRequest);
return true;
}
MICCD::MICCD(int camId, bool eth) : FilterInterface(this)
{
cameraId = camId;
isEth = eth;
if (isEth)
cameraHandle = gxccd_initialize_eth(cameraId);
else
cameraHandle = gxccd_initialize_usb(cameraId);
if (!cameraHandle)
IDLog("Error connecting MI camera!\n");
char sp[MAXINDINAME];
if (gxccd_get_string_parameter(cameraHandle, GSP_CAMERA_DESCRIPTION, sp, sizeof(sp)) < 0)
{
gxccd_get_last_error(cameraHandle, sp, sizeof(sp));
IDLog("Error getting MI camera info: %s.\n", sp);
strncpy(name, "MI CCD", MAXINDIDEVICE);
}
else
{
// trim trailing spaces
char *end = sp + strlen(sp) - 1;
while (end > sp && isspace(*end))
end--;
*(end + 1) = '\0';
snprintf(name, MAXINDINAME, "MI CCD %s", sp);
IDLog("Detected camera: %s.\n", name);
}
gxccd_get_integer_parameter(cameraHandle, GIP_READ_MODES, &numReadModes);
gxccd_get_integer_parameter(cameraHandle, GIP_FILTERS, &numFilters);
gxccd_get_integer_parameter(cameraHandle, GIP_MAX_FAN, &maxFanValue);
gxccd_get_integer_parameter(cameraHandle, GIP_MAX_WINDOW_HEATING, &maxHeatingValue);
gxccd_release(cameraHandle);
cameraHandle = nullptr;
hasGain = false;
useShutter = true;
canDoPreflash = false;
setDeviceName(name);
setVersion(INDI_MI_VERSION_MAJOR, INDI_MI_VERSION_MINOR);
}
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;
}
bool MICCD::StartExposure(float duration)
{
int ret = 0;
useShutter = true;
if (duration < minExpTime)
{
DEBUGF(INDI::Logger::DBG_WARNING, "Exposure shorter than minimum duration %g s requested. Setting exposure time to %g s.", duration, minExpTime);
duration = minExpTime;
}
imageFrameType = PrimaryCCD.getFrameType();
if (imageFrameType == CCDChip::BIAS_FRAME)
{
duration = minExpTime;
}
else if (imageFrameType == CCDChip::DARK_FRAME)
{
useShutter = false;
}
if (!isSimulation())
{
// read modes in G2/G3/G4 cameras are in inverse order, we have to calculate correct value
int mode, prm;
gxccd_get_integer_parameter(cameraHandle, GIP_PREVIEW_READ_MODE, &prm);
if (prm == 0) // preview mode == 0 means smaller G0/G1 cameras
mode = IUFindOnSwitchIndex(&NoiseSP);
else
mode = prm - IUFindOnSwitchIndex(&NoiseSP);
gxccd_set_read_mode(cameraHandle, mode);
gxccd_start_exposure(cameraHandle, duration, useShutter, PrimaryCCD.getSubX(), PrimaryCCD.getSubY(), PrimaryCCD.getSubW(), PrimaryCCD.getSubH());
}
ExposureRequest = duration;
PrimaryCCD.setExposureDuration(duration);
gettimeofday(&ExpStart, NULL);
InExposure = true;
downloading = false;
DEBUGF(INDI::Logger::DBG_DEBUG, "Taking a %g seconds frame...", ExposureRequest);
return true;
}
