bool Camera_SSAGClass::Capture(int duration, usImage& img, int options, const wxRect& subframe)
{
// Only does full frames
unsigned short *dptr;
int xsize = FullSize.GetWidth();
int ysize = FullSize.GetHeight();
bool firstimg = true;
//qglogfile->AddLine(wxString::Format("Capturing dur %d",duration)); //qglogfile->Write();
_SSAG_ProgramCamera(0, 0, 1280, 1024, (GuideCameraGain * 63 / 100));
if (img.Init(FullSize))
{
DisconnectWithAlert(CAPT_FAIL_MEMORY);
return true;
}
CameraWatchdog watchdog(duration, GetTimeoutMs());
_SSAG_ThreadedExposure(duration, NULL);
//qglogfile->AddLine("Exposure programmed"); //qglogfile->Write();
if (duration > 100)
{
if (WorkerThread::MilliSleep(duration - 100, WorkerThread::INT_ANY) &&
(WorkerThread::TerminateRequested() || StopExposure()))
{
return true;
}
}
while (_SSAG_isExposing())
{
wxMilliSleep(50);
if (WorkerThread::InterruptRequested() &&
(WorkerThread::TerminateRequested() || StopExposure()))
{
return true;
}
if (watchdog.Expired())
{
DisconnectWithAlert(CAPT_FAIL_TIMEOUT);
return true;
}
}
//qglogfile->AddLine("Exposure done"); //qglogfile->Write();
dptr = img.ImageData;
_SSAG_GETBUFFER(dptr, img.NPixels * 2);
if (options & CAPTURE_SUBTRACT_DARK) SubtractDark(img);
//qglogfile->AddLine("Image loaded"); //qglogfile->Write();
return false;
}
bool Camera_Altair::Capture(int duration, usImage& img, int options, const wxRect& subframe)
{
if (img.Init(FullSize))
{
DisconnectWithAlert(CAPT_FAIL_MEMORY);
return true;
}
wxRect frame;
wxPoint subframePos; // position of subframe within frame
//bool useSubframe = UseSubframes;
//if (subframe.width <= 0 || subframe.height <= 0)
// useSubframe = false;
//if (useSubframe)
//{
// // ensure transfer size is a multiple of 1024
// // moving the sub-frame or resizing it is somewhat costly (stopCapture / startCapture)
// frame.SetLeft(round_down(subframe.GetLeft(), 32));
// frame.SetRight(round_up(subframe.GetRight() + 1, 32) - 1);
// frame.SetTop(round_down(subframe.GetTop(), 32));
// frame.SetBottom(round_up(subframe.GetBottom() + 1, 32) - 1);
// subframePos = subframe.GetLeftTop() - frame.GetLeftTop();
//}
//else
//{
frame = wxRect(FullSize);
// }
long exposureUS = duration * 1000;
unsigned int cur_exp;
if (Altair_get_ExpoTime(m_handle, &cur_exp) == 0 &&
cur_exp != exposureUS)
{
Debug.AddLine("Altair: set CONTROL_EXPOSURE %d", exposureUS);
Altair_put_ExpoTime(m_handle, exposureUS);
}
long new_gain = cam_gain(m_minGain, m_maxGain, GuideCameraGain);
unsigned short cur_gain;
if (Altair_get_ExpoAGain(m_handle, &cur_gain) == 0 &&
new_gain != cur_gain)
{
Debug.AddLine("Altair: set CONTROL_GAIN %d%% %d", GuideCameraGain, new_gain);
Altair_put_ExpoAGain(m_handle, new_gain);
}
/* bool size_change = frame.GetSize() != m_frame.GetSize();
bool pos_change = frame.GetLeftTop() != m_frame.GetLeftTop();
if (size_change || pos_change)
{
m_frame = frame;
Debug.AddLine("Altair: frame (%d,%d)+(%d,%d)", m_frame.x, m_frame.y, m_frame.width, m_frame.height);
}
if (size_change)
{
StopCapture();
ASI_ERROR_CODE status = ASISetROIFormat(m_handle, frame.GetWidth(), frame.GetHeight(), 1, ASI_IMG_Y8);
if (status != ASI_SUCCESS)
Debug.AddLine("Altair: setImageFormat(%d,%d) => %d", frame.GetWidth(), frame.GetHeight(), status);
}
if (pos_change)
{
ASI_ERROR_CODE status = ASISetStartPos(m_handle, frame.GetLeft(), frame.GetTop());
if (status != ASI_SUCCESS)
Debug.AddLine("Altair: setStartPos(%d,%d) => %d", frame.GetLeft(), frame.GetTop(), status);
}*/
// the camera and/or driver will buffer frames and return the oldest frame,
// which could be quite stale. read out all buffered frames so the frame we
// get is current
//flush_buffered_image(m_handle, img);
if (!m_capturing)
{
Debug.AddLine("Altair: startcapture");
m_frameReady = false;
Altair_StartPullModeWithCallback(m_handle, CameraCallback, this);
m_capturing = true;
}
int frameSize = frame.GetWidth() * frame.GetHeight();
int poll = wxMin(duration, 100);
CameraWatchdog watchdog(duration, duration + GetTimeoutMs() + 10000); // total timeout is 2 * duration + 15s (typically)
if (WorkerThread::MilliSleep(duration, WorkerThread::INT_ANY) &&
(WorkerThread::TerminateRequested() || StopCapture()))
{
return true;
}
while (true)
{
if (m_frameReady)
{
m_frameReady = false;
unsigned int width, height;
if (SUCCEEDED(Altair_PullImage(m_handle, m_buffer, 8, &width, &height)))
break;
}
WorkerThread::MilliSleep(poll, WorkerThread::INT_ANY);
if (WorkerThread::InterruptRequested())
{
StopCapture();
return true;
}
if (watchdog.Expired())
{
Debug.AddLine("Altair: getimagedata failed");
StopCapture();
DisconnectWithAlert(CAPT_FAIL_TIMEOUT);
return true;
}
}
//if (useSubframe)
//{
// img.Subframe = subframe;
// // Clear out the image
// img.Clear();
// for (int y = 0; y < subframe.height; y++)
// {
// const unsigned char *src = m_buffer + (y + subframePos.y) * frame.width + subframePos.x;
// unsigned short *dst = img.ImageData + (y + subframe.y) * FullSize.GetWidth() + subframe.x;
// for (int x = 0; x < subframe.width; x++)
// *dst++ = *src++;
// }
//}
//else
{
for (int i = 0; i < img.NPixels; i++)
img.ImageData[i] = m_buffer[i];
}
if (options & CAPTURE_SUBTRACT_DARK) SubtractDark(img);
return false;
}
bool Camera_INDIClass::Capture(int duration, usImage& img, int options, const wxRect& subframeArg)
{
if (Connected) {
bool takeSubframe = UseSubframes;
wxRect subframe(subframeArg);
// we can set the exposure time directly in the camera
if (expose_prop) {
if (Binning != m_curBinning)
{
FullSize = wxSize(m_maxSize.x / Binning, m_maxSize.y / Binning);
binning_x->value = Binning;
binning_y->value = Binning;
sendNewNumber(binning_prop);
m_curBinning = Binning;
}
if (subframe.width <= 0 || subframe.height <= 0)
{
takeSubframe = false;
}
// Program the size
if (!takeSubframe)
{
subframe = wxRect(0, 0, FullSize.GetWidth(), FullSize.GetHeight());
}
if (subframe != m_roi)
{
frame_x->value = subframe.x*Binning;
frame_y->value = subframe.y*Binning;
frame_width->value = subframe.width*Binning;
frame_height->value = subframe.height*Binning;
sendNewNumber(frame_prop);
m_roi = subframe;
}
//printf("Exposing for %d(ms)\n", duration);
// set the exposure time, this immediately start the exposure
expose_prop->np->value = (double)duration/1000;
sendNewNumber(expose_prop);
modal = true; // will be reset when the image blob is received
unsigned long loopwait = duration > 100 ? 10 : 1;
CameraWatchdog watchdog(duration, GetTimeoutMs());
while (modal) {
wxMilliSleep(loopwait);
if (WorkerThread::TerminateRequested())
return true;
if (watchdog.Expired())
{
DisconnectWithAlert(CAPT_FAIL_TIMEOUT);
return true;
}
}
}
// for video camera without exposure time setting
else if (video_prop) {
takeSubframe = false;
//printf("Enabling video capture\n");
ISwitch *v_on = IUFindSwitch(video_prop,"ON");
ISwitch *v_off = IUFindSwitch(video_prop,"OFF");
v_on->s = ISS_ON;
v_off->s = ISS_OFF;
// start capture, every video frame is received as a blob
sendNewSwitch(video_prop);
// wait the required time
wxMilliSleep(duration); // TODO : add the frames received during exposure
//printf("Stop video capture\n");
v_on->s = ISS_OFF;
v_off->s = ISS_ON;
sendNewSwitch(video_prop);
}
else {
return true;
}
//printf("Exposure end\n");
if (strcmp(cam_bp->format, ".fits") == 0) {
//printf("Processing fits file\n");
// for CCD camera
if ( ! ReadFITS(img,takeSubframe,subframe) ) {
if (options & CAPTURE_SUBTRACT_DARK) {
//printf("Subtracting dark\n");
SubtractDark(img);
}
if (options & CAPTURE_RECON) {
if (PixSizeX != PixSizeY) SquarePixels(img, PixSizeX, PixSizeY);
}
return false;
} else {
return true;
}
} else if (strcmp(cam_bp->format, ".stream") == 0) {
//printf("Processing stream file\n");
// for video camera
return ReadStream(img);
} else {
pFrame->Alert(_("Unknown image format: ") + wxString::FromAscii(cam_bp->format));
return true;
}
}
else {
// in case the camera is not connected
return true;
}
// we must never go here
return true;
}
bool Camera_DSIClass::Capture(int duration, usImage& img, int options, const wxRect& subframe)
{
MeadeCam->SetGain((unsigned int) (GuideCameraGain * 63 / 100));
MeadeCam->SetExposureTime(duration);
if (img.Init(MeadeCam->GetWidth(), MeadeCam->GetHeight()))
{
DisconnectWithAlert(CAPT_FAIL_MEMORY);
return true;
}
bool retval = MeadeCam->GetImage(img.ImageData, true);
if (!retval)
return true;
// The AbortImage method does not appear to work with the DSI camera. If abort is called and the thread is terminated, the
// pending image is still downloaded and PHD2 will crash
#if AbortActuallyWorks
CameraWatchdog watchdog(duration, GetTimeoutMs());
// wait for image to finish and d/l
while (!MeadeCam->ImageReady)
{
wxMilliSleep(20);
if (WorkerThread::InterruptRequested())
{
MeadeCam->AbortImage();
return true;
}
if (watchdog.Expired())
{
MeadeCam->AbortImage();
DisconnectWithAlert(CAPT_FAIL_TIMEOUT);
return true;
}
}
#else // handle the pending image download, regardless
// We also need to prevent the thread from being killed when phd2 is closed
WorkerThreadKillGuard _guard;
if (duration > 100) {
wxMilliSleep(duration - 100); // wait until near end of exposure, nicely
}
bool still_going = true;
while (still_going) { // wait for image to finish and d/l
wxMilliSleep(20);
still_going = !(MeadeCam->ImageReady);
}
#endif // end of waiting for the image
if (options & CAPTURE_SUBTRACT_DARK) SubtractDark(img);
if (options & CAPTURE_RECON)
{
if (MeadeCam->IsColor)
QuickLRecon(img);
if (MeadeCam->IsDsiII)
SquarePixels(img, 8.6, 8.3);
else if (!MeadeCam->IsDsiIII) // Original DSI
SquarePixels(img, 9.6, 7.5);
}
return false;
}
bool Camera_ASCOMLateClass::Capture(int duration, usImage& img, int options, const wxRect& subframeArg)
{
bool retval = false;
bool takeSubframe = UseSubframes;
wxRect subframe(subframeArg);
if (subframe.width <= 0 || subframe.height <= 0)
{
takeSubframe = false;
}
bool binning_changed = false;
if (Binning != m_curBin)
{
FullSize = wxSize(m_maxSize.x / Binning, m_maxSize.y / Binning);
binning_changed = true;
}
// Program the size
if (!takeSubframe)
{
subframe = wxRect(0, 0, FullSize.GetWidth(), FullSize.GetHeight());
}
if (img.Init(FullSize))
{
pFrame->Alert(_("Cannot allocate memory to download image from camera"));
return true;
}
GITObjRef cam(m_gitEntry);
EXCEPINFO excep;
if (binning_changed)
{
if (ASCOM_SetBin(cam.IDisp(), Binning, &excep))
{
pFrame->Alert(_("The ASCOM camera failed to set binning. See the debug log for more information."));
return true;
}
m_curBin = Binning;
}
if (subframe != m_roi)
{
ASCOM_SetROI(cam.IDisp(), subframe, &excep);
m_roi = subframe;
}
bool takeDark = HasShutter && ShutterClosed;
// Start the exposure
if (ASCOM_StartExposure(cam.IDisp(), (double)duration / 1000.0, takeDark, &excep))
{
Debug.AddLine(ExcepMsg("ASCOM_StartExposure failed", excep));
pFrame->Alert(ExcepMsg(_("ASCOM error -- Cannot start exposure with given parameters"), excep));
return true;
}
CameraWatchdog watchdog(duration, GetTimeoutMs());
if (duration > 100)
{
// wait until near end of exposure
if (WorkerThread::MilliSleep(duration - 100, WorkerThread::INT_ANY) &&
(WorkerThread::TerminateRequested() || AbortExposure()))
{
return true;
}
}
while (true) // wait for image to finish and d/l
{
wxMilliSleep(20);
bool ready;
EXCEPINFO excep;
if (ASCOM_ImageReady(cam.IDisp(), &ready, &excep))
{
Debug.AddLine(ExcepMsg("ASCOM_ImageReady failed", excep));
pFrame->Alert(ExcepMsg(_("Exception thrown polling camera"), excep));
return true;
}
if (ready)
break;
if (WorkerThread::InterruptRequested() &&
(WorkerThread::TerminateRequested() || AbortExposure()))
{
return true;
}
if (watchdog.Expired())
{
DisconnectWithAlert(CAPT_FAIL_TIMEOUT);
return true;
}
}
// Get the image
if (ASCOM_Image(cam.IDisp(), img, takeSubframe, subframe, &excep))
{
Debug.AddLine(ExcepMsg(_T("ASCOM_Image failed"), excep));
pFrame->Alert(ExcepMsg(_("Error reading image"), excep));
return true;
}
if (options & CAPTURE_SUBTRACT_DARK)
SubtractDark(img);
if (Color && Binning == 1 && (options & CAPTURE_RECON))
QuickLRecon(img);
return false;
}
