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);
}
/* Downloads the image from the CCD. */
int MICCD::grabImage()
{
unsigned char *image = (unsigned char *) PrimaryCCD.getFrameBuffer();
if (isSimulation())
{
int height = PrimaryCCD.getSubH() / PrimaryCCD.getBinY();
int width = PrimaryCCD.getSubW() / PrimaryCCD.getBinX();
uint16_t *buffer = (uint16_t *) image;
for (int i = 0; i < height; i++)
for (int j = 0; j < width; j++)
buffer[i * width + j] = rand() % UINT16_MAX;
}
else
{
int ret = 0;
if (gxccd_read_image(cameraHandle, image, PrimaryCCD.getFrameBufferSize()) < 0)
{
char errorStr[MAX_ERROR_LEN];
gxccd_get_last_error(cameraHandle, errorStr, sizeof(errorStr));
DEBUGF(INDI::Logger::DBG_ERROR, "Error getting image: %s.", errorStr);
}
}
if (ExposureRequest > POLLMS * 5)
DEBUG(INDI::Logger::DBG_SESSION, "Download complete.");
downloading = false;
ExposureComplete(&PrimaryCCD);
return 0;
}
IPState MICCD::GuideWest(float duration)
{
if (gxccd_move_telescope(cameraHandle, duration, 0) < 0) {
char errorStr[MAX_ERROR_LEN];
gxccd_get_last_error(cameraHandle, errorStr, sizeof(errorStr));
DEBUGF(INDI::Logger::DBG_ERROR, "GuideWest() failed: %s.", errorStr);
return IPS_ALERT;
}
return IPS_OK;
}
IPState MICCD::GuideWest(uint32_t ms)
{
if (gxccd_move_telescope(cameraHandle, static_cast<int16_t>(ms), 0) < 0)
{
char errorStr[MAX_ERROR_LEN];
gxccd_get_last_error(cameraHandle, errorStr, sizeof(errorStr));
LOGF_ERROR("GuideWest() failed: %s.", errorStr);
return IPS_ALERT;
}
return IPS_OK;
}
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::SelectFilter(int position)
{
if (!isSimulation() && gxccd_set_filter(cameraHandle, position - 1) < 0)
{
char errorStr[MAX_ERROR_LEN];
gxccd_get_last_error(cameraHandle, errorStr, sizeof(errorStr));
LOGF_ERROR("Setting filter failed: %s.", errorStr);
return false;
}
CurrentFilter = position;
SelectFilterDone(position);
LOGF_DEBUG("Filter changed to %d", position);
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::UpdateCCDBin(int hor, int ver)
{
if (hor < 1 || hor > maxBinX || ver < 1 || ver > maxBinY)
{
DEBUGF(INDI::Logger::DBG_ERROR, "Binning (%dx%d) are out of range. Range from 1x1 to (%dx%d)", maxBinX, maxBinY);
return false;
}
if (gxccd_set_binning(cameraHandle, hor, ver) < 0)
{
char errorStr[MAX_ERROR_LEN];
gxccd_get_last_error(cameraHandle, errorStr, sizeof(errorStr));
DEBUGF(INDI::Logger::DBG_ERROR, "Setting binning failed: %s.", errorStr);
return false;
}
PrimaryCCD.setBin(hor, ver);
return UpdateCCDFrame(PrimaryCCD.getSubX(), PrimaryCCD.getSubY(), PrimaryCCD.getSubW(), PrimaryCCD.getSubH());
}
bool MICCD::AbortExposure()
{
if (InExposure && !isSimulation())
{
if (gxccd_abort_exposure(cameraHandle, false) < 0)
{
char errorStr[MAX_ERROR_LEN];
gxccd_get_last_error(cameraHandle, errorStr, sizeof(errorStr));
LOGF_ERROR("Aborting exposure failed: %s.", errorStr);
return false;
}
}
InExposure = false;
downloading = false;
LOG_INFO("Exposure aborted.");
return true;
}
int MICCD::SetTemperature(double temperature)
{
// If there difference, for example, is less than TEMP_THRESHOLD degrees, let's immediately return OK.
if (fabs(temperature - TemperatureN[0].value) < TEMP_THRESHOLD)
return 1;
TemperatureRequest = temperature;
if (!isSimulation() && gxccd_set_temperature(cameraHandle, temperature) < 0)
{
char errorStr[MAX_ERROR_LEN];
gxccd_get_last_error(cameraHandle, errorStr, sizeof(errorStr));
LOGF_ERROR("Setting temperature failed: %s.", errorStr);
return -1;
}
return 0;
}
bool MICCD::AbortExposure()
{
if (InExposure && !isSimulation())
{
if (gxccd_abort_exposure(cameraHandle, false) < 0)
{
char errorStr[MAX_ERROR_LEN];
gxccd_get_last_error(cameraHandle, errorStr, sizeof(errorStr));
DEBUGF(INDI::Logger::DBG_ERROR, "Aborting exposure failed: %s.", errorStr);
return false;
}
}
InExposure = false;
downloading = false;
DEBUG(INDI::Logger::DBG_SESSION, "Exposure aborted.");
return true;
}
void MICCD::TimerHit()
{
if (!isConnected())
return; // No need to reset timer if we are not connected anymore
if (InExposure || downloading)
{
long timeleft = calcTimeLeft();
bool ready = false;
if (gxccd_image_ready(cameraHandle, &ready) < 0)
{
char errorStr[MAX_ERROR_LEN];
gxccd_get_last_error(cameraHandle, errorStr, sizeof(errorStr));
DEBUGF(INDI::Logger::DBG_ERROR, "Getting image ready failed: %s.", errorStr);
}
if (ready)
{
// grab and save image
grabImage();
}
// camera may need some time for image download -> update client only for positive values
else if (timeleft >= 0)
{
DEBUGF(INDI::Logger::DBG_DEBUG, "Exposure in progress: Time left %ld", timeleft);
PrimaryCCD.setExposureLeft(timeleft);
}
else if (!downloading)
{
PrimaryCCD.setExposureLeft(0);
InExposure = false;
downloading = true;
// Don't spam the session log unless it is a long exposure > 5 seconds
if (ExposureRequest > POLLMS * 5)
DEBUG(INDI::Logger::DBG_SESSION, "Exposure done, downloading image...");
}
}
SetTimer(POLLMS);
}
/* Downloads the image from the CCD. */
int MICCD::grabImage()
{
std::unique_lock<std::mutex> guard(ccdBufferLock);
int ret = 0;
unsigned char *image = (unsigned char *)PrimaryCCD.getFrameBuffer();
int width = PrimaryCCD.getSubW() / PrimaryCCD.getBinX();
int height = PrimaryCCD.getSubH() / PrimaryCCD.getBinY();
if (isSimulation())
{
uint16_t *buffer = (uint16_t *)image;
for (int i = 0; i < height; i++)
for (int j = 0; j < width; j++)
buffer[i * width + j] = rand() % UINT16_MAX;
}
else
{
ret = gxccd_read_image(cameraHandle, image, PrimaryCCD.getFrameBufferSize());
if (ret < 0)
{
char errorStr[MAX_ERROR_LEN];
gxccd_get_last_error(cameraHandle, errorStr, sizeof(errorStr));
LOGF_ERROR("Error getting image: %s.", errorStr);
}
else
{
mirror_image(image, width, height);
}
}
guard.unlock();
if (ExposureRequest > POLLMS * 5 && !ret)
LOG_INFO("Download complete.");
downloading = false;
ExposureComplete(&PrimaryCCD);
return ret;
}
bool MICCD::ISNewNumber(const char *dev, const char *name, double values[], char *names[], int n)
{
if (strcmp(dev, getDeviceName()) == 0)
{
if (!strcmp(name, FilterSlotNP.name))
{
INDI::FilterInterface::processNumber(dev, name, values, names, n);
return true;
}
if (!strcmp(name, FanNP.name))
{
IUUpdateNumber(&FanNP, values, names, n);
if (!isSimulation() && gxccd_set_fan(cameraHandle, FanN[0].value) < 0)
{
char errorStr[MAX_ERROR_LEN];
gxccd_get_last_error(cameraHandle, errorStr, sizeof(errorStr));
LOGF_ERROR("Setting fan failed: %s.", errorStr);
FanNP.s = IPS_ALERT;
}
else
{
FanNP.s = IPS_OK;
}
IDSetNumber(&FanNP, nullptr);
return true;
}
if (!strcmp(name, WindowHeatingNP.name))
{
IUUpdateNumber(&WindowHeatingNP, values, names, n);
if (!isSimulation() && gxccd_set_window_heating(cameraHandle, WindowHeatingN[0].value) < 0)
{
char errorStr[MAX_ERROR_LEN];
gxccd_get_last_error(cameraHandle, errorStr, sizeof(errorStr));
LOGF_ERROR("Setting heating failed: %s.", errorStr);
WindowHeatingNP.s = IPS_ALERT;
}
else
{
WindowHeatingNP.s = IPS_OK;
}
IDSetNumber(&WindowHeatingNP, nullptr);
return true;
}
if (!strcmp(name, TemperatureRampNP.name))
{
IUUpdateNumber(&TemperatureRampNP, values, names, n);
if (!isSimulation() && gxccd_set_temperature_ramp(cameraHandle, TemperatureRampN[0].value) < 0)
{
char errorStr[MAX_ERROR_LEN];
gxccd_get_last_error(cameraHandle, errorStr, sizeof(errorStr));
LOGF_ERROR("Setting temp. ramp failed: %s.", errorStr);
TemperatureRampNP.s = IPS_ALERT;
}
else
{
TemperatureRampNP.s = IPS_OK;
}
IDSetNumber(&TemperatureRampNP, nullptr);
return true;
}
if (!strcmp(name, PreflashNP.name))
{
IUUpdateNumber(&PreflashNP, values, names, n);
// set NIR pre-flash if available.
if (canDoPreflash)
{
if (!isSimulation() && gxccd_set_preflash(cameraHandle, PreflashN[0].value, PreflashN[1].value) < 0)
{
char errorStr[MAX_ERROR_LEN];
gxccd_get_last_error(cameraHandle, errorStr, sizeof(errorStr));
LOGF_ERROR("Setting NIR preflash failed: %s.", errorStr);
PreflashNP.s = IPS_ALERT;
}
else
{
PreflashNP.s = IPS_OK;
}
}
IDSetNumber(&PreflashNP, nullptr);
return true;
}
}
return INDI::CCD::ISNewNumber(dev, name, values, names, n);
}
bool MICCD::ISNewNumber(const char *dev, const char *name, double values[], char *names[], int n)
{
if(strcmp(dev, getDeviceName()) == 0)
{
if (!strcmp(name, FilterSlotNP.name))
{
processFilterSlot(getDeviceName(), values, names);
return true;
}
if (!strcmp(name, FanNP.name))
{
IUUpdateNumber(&FanNP, values, names, n);
if (!isSimulation() && gxccd_set_fan(cameraHandle, FanN[0].value) < 0)
{
char errorStr[MAX_ERROR_LEN];
gxccd_get_last_error(cameraHandle, errorStr, sizeof(errorStr));
DEBUGF(INDI::Logger::DBG_ERROR, "Setting fan failed: %s.", errorStr);
FanNP.s = IPS_ALERT;
}
else
{
FanNP.s = IPS_OK;
}
IDSetNumber(&FanNP, NULL);
return true;
}
if (!strcmp(name, WindowHeatingNP.name))
{
IUUpdateNumber(&WindowHeatingNP, values, names, n);
if (!isSimulation() && gxccd_set_window_heating(cameraHandle, WindowHeatingN[0].value) < 0)
{
char errorStr[MAX_ERROR_LEN];
gxccd_get_last_error(cameraHandle, errorStr, sizeof(errorStr));
DEBUGF(INDI::Logger::DBG_ERROR, "Setting heating failed: %s.", errorStr);
WindowHeatingNP.s = IPS_ALERT;
}
else
{
WindowHeatingNP.s = IPS_OK;
}
IDSetNumber(&WindowHeatingNP, NULL);
return true;
}
if (!strcmp(name, TemperatureRampNP.name))
{
IUUpdateNumber(&TemperatureRampNP, values, names, n);
if (!isSimulation() && gxccd_set_temperature_ramp(cameraHandle, TemperatureRampN[0].value) < 0)
{
char errorStr[MAX_ERROR_LEN];
gxccd_get_last_error(cameraHandle, errorStr, sizeof(errorStr));
DEBUGF(INDI::Logger::DBG_ERROR, "Setting temp. ramp failed: %s.", errorStr);
TemperatureRampNP.s = IPS_ALERT;
}
else
{
TemperatureRampNP.s = IPS_OK;
}
IDSetNumber(&TemperatureRampNP, NULL);
return true;
}
}
return INDI::CCD::ISNewNumber(dev, name, values, names, n);
}