//Clean up
ofxffmv::~ofxffmv()
{
camNum = 1;
if(getDeviceCount() > 0){
for(int i=0;i<camNum;i++)
{
// Stop the camera. This does not destroy the context. This simply stops
// the grabbing of images from the camera. This should always be called
// prior to calling flycaptureDestroyContext().
//
flycaptureStop( context[i] );
//
// Destroy the context. This should always be called before exiting
// the application to prevent memory leaks.
//
flycaptureDestroyContext( context[i] );
}//end of for loop
}
}
// close camera
bool IEEE1394Cam::Closes() {
#ifdef WIN32
FlyCaptureError fe;
// Close the camera
fe = flycaptureStop( _flycapture );
if (fe != FLYCAPTURE_OK) {
return false;
}
fe = flycaptureDestroyContext( _flycapture );
if (fe != FLYCAPTURE_OK) {
return false;
}
_activated = false;
return true;
#else
return false;
#endif //WIN32
}
//=============================================================================
// Main Program
//=============================================================================
int
main( )
{
FlyCaptureContext context;
FlyCaptureImage fwImage;
FlyCaptureError error;
// Create the context.
error = flycaptureCreateContext( &context );
_HANDLE_ERROR(error, "flycaptureCreateContext()" );
configureExternalTriggerCamera(context);
//
// Start camera. This is done after setting the trigger so that
// excess images isochronously streamed from the camera don't fill up
// the internal buffers.
//
//printf( "Starting camera.\n" );
int width=400;
int height=300;
// error = flycaptureStartCustomImage(context,0, (1024-width)/2,(1024-height)/2, width,height,100,FlyCapturePixelFormat::FLYCAPTURE_MONO8 );
error = flycaptureStart(
context,
FLYCAPTURE_VIDEOMODE_ANY,
FLYCAPTURE_FRAMERATE_ANY );
_HANDLE_ERROR(error, "flycaptureStart()" );
//
// Set the grab timeout so that calls to flycaptureGrabImage2 will return
// after TIMEOUT milliseconds if the trigger hasn't fired.
//
error = flycaptureSetGrabTimeoutEx( context, TIMEOUT );
_HANDLE_ERROR(error, "flycaptureSetGrabTimeoutEx()" );
printf( "This program will quit after %d images are grabbed.\n", IMAGES );
for( int iImage = 0; iImage < IMAGES; iImage++ )
{
#ifdef SOFTWARE_TRIGGER_CAMERA
#ifdef USE_SOFT_ASYNC_TRIGGER
//
// Check that the camera actually supports the PGR SOFT_ASYNC_TRIGGER
// method of software triggering
//
error = checkSoftwareTriggerPresence( context, SOFT_ASYNC_TRIGGER );
if( error == FLYCAPTURE_OK )
{
checkTriggerReady( context );
//
// Camera is now ready to be triggered, so generate software trigger
// by writing a '0' to bit 31
//
printf( "Press the Enter key to initiate a software trigger.\n" );
getchar();
error = flycaptureSetCameraRegister(
context, SOFT_ASYNC_TRIGGER, 0x80000000 );
_HANDLE_ERROR( "flycaptureSetCameraRegister()", error );
}
else
{
printf( "SOFT_ASYNC_TRIGGER not implemented! Grab will timeout.\n" );
}
#else
//
// Check that the camera actually supports the DCAM SOFTWARE_TRIGGER
// method of software triggering
//
error = checkSoftwareTriggerPresence( context, SOFTWARE_TRIGGER );
if( error == FLYCAPTURE_OK )
{
error = checkTriggerReady( context );
//
// Camera is now ready to be triggered, so generate software trigger
// by writing a '1' to bit 0
//
printf( "Press the Enter key to initiate a software trigger.\n" );
getchar();
error = flycaptureSetCameraRegister(
context, SOFTWARE_TRIGGER, 0x80000000 );
_HANDLE_ERROR( "flycaptureSetCameraRegister()", error );
}
else
{
printf( "SOFTWARE_TRIGGER not implemented! Grab will timeout.\n" );
}
#endif
#endif
//
// Do an image grab. This call will block until the camera
// is externally triggered.
//
error = flycaptureGrabImage2( context, &fwImage );
if( error == FLYCAPTURE_TIMEOUT )
{
printf( "Grab #%d timed out after %d milliseconds.\n", iImage, TIMEOUT );
}
else if( error != FLYCAPTURE_OK )
{
_HANDLE_ERROR(error, "flycaptureGrabImage2()" );
}
else
{
if(iImage%60==0)printf( "Grab %d !\n", iImage );
}
}
//
// Stop the camera and destroy the context.
//
flycaptureStop( context );
flycaptureDestroyContext( context );
printf( "Done! (hit enter)" );
getchar();
return 0;
}
int
main( int /* argc */, char** /* argv */ )
{
TriclopsContext triclops;
TriclopsImage disparityImage;
TriclopsImage refImage;
TriclopsInput triclopsInput;
TriclopsROI* pRois;
int nMaxRois;
TriclopsError te;
FlyCaptureContext flycapture;
FlyCaptureImage flycaptureImage;
FlyCaptureInfoEx pInfo;
FlyCapturePixelFormat pixelFormat;
FlyCaptureError fe;
int iMaxCols = 0;
int iMaxRows = 0;
// Create the camera context
fe = flycaptureCreateContext( &flycapture );
_HANDLE_FLYCAPTURE_ERROR( "flycaptureCreateContext()", fe );
// Initialize the camera
fe = flycaptureInitialize( flycapture, 0 );
_HANDLE_FLYCAPTURE_ERROR( "flycaptureInitialize()", fe );
// Get the camera configuration
char* szCalFile;
fe = flycaptureGetCalibrationFileFromCamera( flycapture, &szCalFile );
_HANDLE_FLYCAPTURE_ERROR( "flycaptureGetCalibrationFileFromCamera()", fe );
// Create a Triclops context from the cameras calibration file
te = triclopsGetDefaultContextFromFile( &triclops, szCalFile );
_HANDLE_TRICLOPS_ERROR( "triclopsGetDefaultContextFromFile()", te );
// Get camera information
fe = flycaptureGetCameraInfo( flycapture, &pInfo );
_HANDLE_FLYCAPTURE_ERROR( "flycatpureGetCameraInfo()", fe );
if (pInfo.CameraType == FLYCAPTURE_COLOR)
{
pixelFormat = FLYCAPTURE_RAW16;
}
else
{
pixelFormat = FLYCAPTURE_MONO16;
}
switch (pInfo.CameraModel)
{
case FLYCAPTURE_BUMBLEBEE2:
{
unsigned long ulValue;
flycaptureGetCameraRegister( flycapture, 0x1F28, &ulValue );
if ( ( ulValue & 0x2 ) == 0 )
{
// Hi-res BB2
iMaxCols = 1024;
iMaxRows = 768;
}
else
{
// Low-res BB2
iMaxCols = 640;
iMaxRows = 480;
}
}
break;
case FLYCAPTURE_BUMBLEBEEXB3:
iMaxCols = 1280;
iMaxRows = 960;
break;
default:
te = TriclopsErrorInvalidCamera;
_HANDLE_TRICLOPS_ERROR( "triclopsCheckCameraModel()", te );
break;
}
// Start grabbing
fe = flycaptureStartCustomImage(
flycapture, 3, 0, 0, iMaxCols, iMaxRows, 100, pixelFormat);
_HANDLE_FLYCAPTURE_ERROR( "flycaptureStart()", fe );
// Grab an image from the camera
fe = flycaptureGrabImage2( flycapture, &flycaptureImage );
_HANDLE_FLYCAPTURE_ERROR( "flycaptureGrabImage()", fe );
// Extract information from the FlycaptureImage
int imageCols = flycaptureImage.iCols;
int imageRows = flycaptureImage.iRows;
int imageRowInc = flycaptureImage.iRowInc;
int iSideBySideImages = flycaptureImage.iNumImages;
unsigned long timeStampSeconds = flycaptureImage.timeStamp.ulSeconds;
unsigned long timeStampMicroSeconds = flycaptureImage.timeStamp.ulMicroSeconds;
// Create buffers for holding the mono images
unsigned char* rowIntColor =
new unsigned char[ imageCols * imageRows * iSideBySideImages * 4];
unsigned char* rowIntMono =
new unsigned char[ imageCols * imageRows * iSideBySideImages ];
// Create a temporary FlyCaptureImage for preparing the stereo image
FlyCaptureImage tempColorImage;
FlyCaptureImage tempMonoImage;
tempColorImage.pData = rowIntColor;
tempMonoImage.pData = rowIntMono;
// Convert the pixel interleaved raw data to row interleaved format
fe = flycapturePrepareStereoImage(
flycapture, flycaptureImage, &tempMonoImage, &tempColorImage );
_HANDLE_FLYCAPTURE_ERROR( "flycapturePrepareStereoImage()", fe );
// Pointers to positions in the mono buffer that correspond to the beginning
// of the red, green and blue sections
unsigned char* redMono = NULL;
unsigned char* greenMono = NULL;
unsigned char* blueMono = NULL;
redMono = rowIntMono;
if (flycaptureImage.iNumImages == 2)
{
greenMono = redMono + imageCols;
blueMono = redMono + imageCols;
}
if (flycaptureImage.iNumImages == 3)
{
greenMono = redMono + imageCols;
blueMono = redMono + ( 2 * imageCols );
}
// Use the row interleaved images to build up an RGB TriclopsInput.
// An RGB triclops input will contain the 3 raw images (1 from each camera).
te = triclopsBuildRGBTriclopsInput(
imageCols,
imageRows,
imageRowInc,
timeStampSeconds,
timeStampMicroSeconds,
redMono,
greenMono,
blueMono,
&triclopsInput);
_HANDLE_TRICLOPS_ERROR( "triclopsBuildRGBTriclopsInput()", te );
// Set up some stereo parameters:
// Set to 640x480 output images
te = triclopsSetResolution( triclops, 480, 640 );
_HANDLE_TRICLOPS_ERROR( "triclopsSetResolution()", te );
// Set disparity range to be quite wide
te = triclopsSetDisparity( triclops, 0, 200 );
_HANDLE_TRICLOPS_ERROR( "triclopsSetDisparity()", te );
// Set subpixel interpolation off - so we know we don't need to use
// TriclopsImage16 structures when we access and save the disparity image
te = triclopsSetSubpixelInterpolation( triclops, 0 );
_HANDLE_TRICLOPS_ERROR( "triclopsSetSubpixelInterpolation()", te );
// Get the pointer to the regions of interest array
te = triclopsGetROIs( triclops, &pRois, &nMaxRois );
_HANDLE_TRICLOPS_ERROR( "triclopsGetROIs()", te );
if( nMaxRois >= 4 )
{
// Set up four regions of interest:
// Entire upper left quadrant of image
pRois[0].row = 0;
pRois[0].col = 0;
pRois[0].nrows = 240;
pRois[0].ncols = 320;
// Part of the lower right
pRois[1].row = 240;
pRois[1].col = 320;
pRois[1].nrows = 180;
pRois[1].ncols = 240;
// Centered in upper right quadrant
pRois[2].row = 60;
pRois[2].col = 400;
pRois[2].nrows = 120;
pRois[2].ncols = 160;
// Small section of lower left
pRois[3].row = 300;
pRois[3].col = 30;
pRois[3].nrows = 80;
pRois[3].ncols = 80;
// Tell the TriclopsContext how many ROIs we want to process
te = triclopsSetNumberOfROIs( triclops, 4 );
_HANDLE_TRICLOPS_ERROR( "triclopsSetNumberOfROIs()", te );
}
else
{
printf( "Only %d ROIs available in the TriclopsContext "
"- this should never happen!\n"
"Aborting!\n",
nMaxRois );
// Destroy the Triclops context
triclopsDestroyContext( triclops ) ;
// Close the camera and destroy the context
flycaptureStop( flycapture );
flycaptureDestroyContext( flycapture );
return 1;
}
// Rectify the images
te = triclopsRectify( triclops, &triclopsInput );
_HANDLE_TRICLOPS_ERROR( "triclopsRectify()", te );
// Do stereo processing
te = triclopsStereo( triclops );
_HANDLE_TRICLOPS_ERROR( "triclopsStereo()", te );
// Retrieve the disparity image from the Triclops context
te = triclopsGetImage( triclops,
TriImg_DISPARITY,
TriCam_REFERENCE,
&disparityImage );
_HANDLE_TRICLOPS_ERROR( "triclopsGetImage()", te );
// Retrieve the rectified image from the Triclops context
te = triclopsGetImage( triclops,
TriImg_RECTIFIED,
TriCam_REFERENCE,
&refImage );
_HANDLE_TRICLOPS_ERROR( "triclopsGetImage()", te );
// Save the disparity image
te = triclopsSaveImage( &disparityImage, "disparity.pgm" );
_HANDLE_TRICLOPS_ERROR( "triclopsSaveImage()", te );
// Save the rectified image
te = triclopsSaveImage( &refImage, "rectified.pgm" );
_HANDLE_TRICLOPS_ERROR( "triclopsSaveImage()", te );
// Delete the image buffer, it is not needed once the TriclopsInput
// has been built
delete [] rowIntMono;
redMono = NULL;
greenMono = NULL;
blueMono = NULL;
// Destroy the Triclops context
triclopsDestroyContext( triclops ) ;
// Close the camera and destroy the Flycapture context
flycaptureStop( flycapture );
flycaptureDestroyContext( flycapture );
return 0;
}
int
main( int argc, char* argv[] )
{
FlyCaptureError error;
FlyCaptureContext context;
// check the arguments of the call to make sure the utility is being called properly.
if (argc != 2){
PrintUsage();
printf( "Done! (hit enter)" );
getchar();
return 0;
} else {
if (!((strcmp(argv[1], "-retrieve") == 0) || (strcmp(argv[1], "-capture") == 0)))
{
PrintUsage();
printf( "Done! (hit enter)" );
getchar();
return 0;
}
}
//
// Enumerate the cameras on the bus.
//
FlyCaptureInfoEx arInfo[ _MAX_CAMS ];
unsigned int uiSize = _MAX_CAMS;
error = flycaptureBusEnumerateCamerasEx( arInfo, &uiSize );
_HANDLE_ERROR( error, "flycaptureBusEnumerateCameras()" );
for( unsigned int uiBusIndex = 0; uiBusIndex < uiSize; uiBusIndex++ )
{
FlyCaptureInfoEx* pinfo = &arInfo[ uiBusIndex ];
printf(
"Index %u: %s (%u)\n",
uiBusIndex,
pinfo->pszModelName,
pinfo->SerialNumber );
}
//
// Create the context.
//
error = flycaptureCreateContext( &context );
_HANDLE_ERROR( error, "flycaptureCreateContext()" );
//
// Initialize the camera.
//
printf( "Initializing camera %u.\n", _CAMERA_INDEX );
error = flycaptureInitialize( context, _CAMERA_INDEX );
_HANDLE_ERROR( error, "flycaptureInitialize()" );
//
// Reset the camera to default factory settings by asserting bit 0
//
error = flycaptureSetCameraRegister( context, INITIALIZE, 0x80000000 );
_HANDLE_ERROR( error, "flycaptureSetCameraRegister()" );
//
// Power-up the camera (for cameras that support this feature)
//
error = flycaptureSetCameraRegister( context, CAMERA_POWER, 0x80000000 );
_HANDLE_ERROR( error, "flycaptureSetCameraRegister()" );
//
// Report camera info.
//
FlyCaptureInfoEx info;
error = flycaptureGetCameraInfo( context, &info );
_HANDLE_ERROR( error, "flycaptureGetCameraInfo()" );
printf( "Camera info:\n" );
reportCameraInfo( &info );
//
// Query and report on the camera's ability to handle custom image modes.
// We use the maximum and unit values to determine the size of the image
// which can be saved to flash.
//
bool bAvailable;
unsigned int uiMaxImageSizeCols;
unsigned int uiMaxImageSizeRows;
unsigned int uiImageUnitSizeHorz;
unsigned int uiImageUnitSizeVert;
unsigned int uiOffsetUnitSizeHorz;
unsigned int uiOffsetUnitSizeVert;
unsigned int uiPixelFormats;
error = ::flycaptureQueryCustomImageEx(
context,
MODE,
&bAvailable,
&uiMaxImageSizeCols,
&uiMaxImageSizeRows,
&uiImageUnitSizeHorz,
&uiImageUnitSizeVert,
&uiOffsetUnitSizeHorz,
&uiOffsetUnitSizeVert,
&uiPixelFormats );
_HANDLE_ERROR( error, "flycaptureQueryCustomImageEx()" );
//
// Check to see if Flash Reading/Writing is supported by the camera
//
unsigned long ulRegVal;
error = flycaptureGetCameraRegister(context, DATA_FLASH_CTRL, &ulRegVal);
printf( "Data control register = %x\n", ulRegVal );
if((0x80000000 & ulRegVal) == 0)
{
printf("This camera does not support the user data area feature. Exiting...\n");
//
// Destroy the context
//
flycaptureDestroyContext(context);
printf( "Done! (hit enter)" );
getchar();
return 0;
}
// Determine the available size of the Flash from the DATA_FLASH_CTRL register
int iPageSize = (int)pow(2.0, (int)(ulRegVal & 0x00FFF000) >> 12);
int iNumPages = (int)pow(2.0, (int)(ulRegVal & 0x00000FFF));
unsigned int uiAvailableFlashSize = iPageSize * iNumPages;
unsigned int uiHeight = uiMaxImageSizeCols;
unsigned int uiWidth = uiMaxImageSizeRows;
// If the Flash is not large enough to hold a full, high-res image, determine the
// maximum image with a 4:3 aspect ration which can fit in the flash and use those
// dimensions.
if (uiMaxImageSizeCols*uiMaxImageSizeRows > uiAvailableFlashSize)
{
uiHeight = (int)sqrt(uiAvailableFlashSize*3.0/4);
uiWidth = uiHeight*4/3;
uiHeight -= (uiHeight % uiImageUnitSizeVert);
uiWidth -= (uiWidth % uiImageUnitSizeHorz);
}
//
// Determine the quadlet offset of the Flash area
//
unsigned long ulLUTLoc;
error = flycaptureGetCameraRegister(context, DATA_FLASH_DATA, &ulLUTLoc);
_HANDLE_ERROR( error, "flycaptureGetCameraRegister()" );
//
// Start grabbing images in the current videomode and framerate.
//
printf( "Starting camera.\n\n" );
error = flycaptureStartCustomImage(context, 0, 0, 0, uiWidth, uiHeight, 40, FLYCAPTURE_MONO8);
_HANDLE_ERROR( error, "flycaptureStart()" );
FlyCaptureImage image;
memset( &image, 0x0, sizeof( FlyCaptureImage ) );
// Here, we grab 10 images and only look at the last one, since after starting the camera,
// it takes a few images for the the auto settings to stabilize (ie. exposure, gain, etc)
for ( int iImage = 0; iImage < _IMAGES_TO_GRAB; iImage++ )
{
error = flycaptureGrabImage2( context, &image );
_HANDLE_ERROR( error, "flycaptureGrabImage2()" );
}
// Check to see if we are capturing or retrieving
if (strcmp(argv[1], "-capture") == 0)
{
printf( "Saving raw image to camera FLASH.\n\n" );
//
// Write the image to the cameras flash
//
error = flycaptureWriteRegisterBlock(
context,
0xFFFF,
0xF0000000+ulLUTLoc*4,
(const unsigned long*)&(image.pData[0]),
(image.iRowInc*image.iRows/4));
_HANDLE_ERROR( error, "flycaptureWriteRegisterBlock()" );
} else if (strcmp(argv[1], "-retrieve") == 0){ // if we are not capturing (we are retrieving).
printf( "Grabbing image from FLASH and saving it to disk as %s.\n\n", FILENAME_RAW_FROM_FLASH );
// Create a flycapture image to save
FlyCaptureImage savedImage;
memset( &savedImage, 0x0, sizeof( FlyCaptureImage ) );
// Fill in the savedImage structure
savedImage.iCols = image.iCols;
savedImage.iRows = image.iRows;
savedImage.iRowInc = image.iRowInc;
savedImage.videoMode = image.videoMode;
savedImage.timeStamp = image.timeStamp;
savedImage.bStippled = image.bStippled;
savedImage.pixelFormat = image.pixelFormat;
savedImage.iNumImages = image.iNumImages;
savedImage.pData = (unsigned char*)malloc(savedImage.iRowInc*savedImage.iRows);
// Read data from the flash into the SavedImage structure
error = flycaptureReadRegisterBlock(
context,
0xFFFF,
0xF0000000+ulLUTLoc*4,
(unsigned long*)&(savedImage.pData[0]),
(savedImage.iRowInc*savedImage.iRows/4));
_HANDLE_ERROR( error, "flycaptureReadRegisterBlock()" );
// Save the image to disk
error = flycaptureSaveImage(
context,
&savedImage,
FILENAME_RAW_FROM_FLASH,
FLYCAPTURE_FILEFORMAT_PGM );
_HANDLE_ERROR( error, "flycaptureSaveImage()" );
free(savedImage.pData);
} else {
// We should never get here since the check at the top should catch this,
// but this is here for completeness.
PrintUsage();
}
//
// Stop the camera
//
error = flycaptureStop( context );
_HANDLE_ERROR( error, "flycaptureStop()" );
//
// Destroy the context.
//
error = flycaptureDestroyContext( context );
_HANDLE_ERROR( error, "flycaptureDestroyContext()" );
printf( "Done! (hit enter)" );
getchar();
return 0;
}
int
main( int /* argc */, char** /* argv */ )
{
TriclopsError te;
FlyCaptureError fe;
TriclopsContext triclops;
FlyCaptureContext flycapture;
float baseline;
int nrows;
int ncols;
float focalLength;
TriclopsCameraConfiguration triclopsConfig;
// Create the Flycapture context
fe = flycaptureCreateContext( &flycapture );
_HANDLE_FLYCAPTURE_ERROR( "flycaptureCreateContext()", fe );
// Initialize the camera
fe = flycaptureInitialize( flycapture, 0 );
_HANDLE_FLYCAPTURE_ERROR( "flycaptureInitialize()", fe );
// Get the camera configuration
char* szCalFile;
fe = flycaptureGetCalibrationFileFromCamera( flycapture, &szCalFile );
_HANDLE_FLYCAPTURE_ERROR( "flycaptureGetCalibrationFileFromCamera()", fe );
// Create a Triclops context from the cameras calibration file
te = triclopsGetDefaultContextFromFile( &triclops, szCalFile );
_HANDLE_TRICLOPS_ERROR( "triclopsGetDefaultContextFromFile()", te );
// Destroy the Flycapture context - this program just displays information contained
// in the TriclopsContext
flycaptureDestroyContext( flycapture );
printf( "Triclops Version : %s\n", triclopsVersion() );
// get the camera configuration
te = triclopsGetCameraConfiguration( triclops, &triclopsConfig );
_HANDLE_TRICLOPS_ERROR( "triclopsGetCameraConfiguration()", te );
switch( triclopsConfig )
{
case TriCfg_L:
printf( "Configuration : 3 Camera\n" );
break;
case TriCfg_2CAM_HORIZONTAL:
printf( "Configuration : 2 Camera horizontal\n" );
break;
case TriCfg_2CAM_VERTICAL:
printf( "Configuration : 2 Camera vertical\n" );
break;
default:
printf( "Unrecognized configuration: %d\n", triclopsConfig );
}
// Get the baseline
te = triclopsGetBaseline( triclops, &baseline );
_HANDLE_TRICLOPS_ERROR( "triclopsGetBaseline()", te );
printf( "Baseline : %f cm\n", baseline*100.0 );
// Get the focal length
te = triclopsGetFocalLength( triclops, &focalLength );
_HANDLE_TRICLOPS_ERROR( "triclopsGetFocalLength()", te );
te = triclopsGetResolution( triclops, &nrows, &ncols );
_HANDLE_TRICLOPS_ERROR( "triclopsGetResolution()", te );
printf( "Focal Length : %f pixels for a %d x %d image\n",
focalLength,
ncols,
nrows ) ;
int nRows, nCols;
te = triclopsGetResolution( triclops, &nRows, &nCols );
_HANDLE_TRICLOPS_ERROR( "triclopsGetResolution()", te );
float fCenterRow, fCenterCol;
te = triclopsGetImageCenter( triclops, &fCenterRow, &fCenterCol );
_HANDLE_TRICLOPS_ERROR( "triclopsGetImageCenter()", te );
printf( "The default image resolution for stereo processing is %d x %d\n",
nCols, nRows );
printf( "For this resolution, the 'image center' or 'principal point' "
"is:\n" );
printf( "Center Row = %f\n", fCenterRow );
printf( "Center Col = %f\n", fCenterCol );
// Destroy the Triclops context
triclopsDestroyContext( triclops ) ;
return 0;
}
//=============================================================================
// Main Program
//=============================================================================
int
main( int /* argc */, char* /* argv[] */ )
{
FlyCaptureError error;
FlyCaptureContext context;
FlyCaptureImage image;
printf( "Initializing camera.\n" );
//
// Create the context.
//
error = flycaptureCreateContext( &context );
HANDLE_ERROR( "flycaptureCreateContext()", error );
//
// Initialize the first camera on the bus.
//
error = flycaptureInitialize( context, 0 );
HANDLE_ERROR( "flycaptureInitialize()", error );
//
// Reset the camera to default factory settings by asserting bit 0
//
error = flycaptureSetCameraRegister( context, INITIALIZE, 0x80000000 );
HANDLE_ERROR( "flycaptureSetCameraRegister()", error );
//
// Power-up the camera (for cameras that support this feature)
//
error = flycaptureSetCameraRegister( context, CAMERA_POWER, 0x80000000 );
HANDLE_ERROR( "flycaptureSetCameraRegister()", error );
//
// Determine whether or not the camera supports external trigger mode.
// If it does, put the camera into external trigger mode and otherwise
// exit.
//
bool bTriggerPresent;
error = flycaptureQueryTrigger(
context, &bTriggerPresent, NULL, NULL, NULL, NULL, NULL, NULL, NULL );
HANDLE_ERROR( "flycaptureQueryTrigger()", error );
if( !bTriggerPresent)
{
printf("This camera does not support external trigger... exiting\n");
return 1;
}
int iPolarity;
int iSource;
int iRawValue;
int iMode;
error = flycaptureGetTrigger(
context, NULL, &iPolarity, &iSource, &iRawValue, &iMode, NULL );
HANDLE_ERROR( "flycaptureGetTrigger()", error );
printf( "Going into asynchronous Trigger_Mode_0.\n" );
//
// Ensure the camera is in Trigger Mode 0 by explicitly setting it,
// as the camera could have a different default trigger mode
//
#ifdef SOFTWARE_TRIGGER_CAMERA
//
// We are triggering the camera using the internal software trigger.
// If we are using the DCAM SOFTWARE_TRIGGER functionality, we must
// change the Trigger_Source to reflect the Software Trigger ID = 7.
//
error = flycaptureSetTrigger(
context, true, iPolarity, 7, 0, 0 );
HANDLE_ERROR( "flycaptureSetCameraTrigger()", error );
#else
//
// We are triggering the camera using an external hardware trigger.
//
error = flycaptureSetTrigger(
context, true, iPolarity, iSource, 0, 0 );
HANDLE_ERROR( "flycaptureSetCameraTrigger()", error );
#endif
//
// Poll the camera to make sure the camera is actually in trigger mode
// before we start it (avoids timeouts due to the trigger not being armed)
//
checkTriggerReady( context );
//
// Start the camera and grab any excess images that are already in the pipe.
// Although it is extremely rare for spurious images to occur, it is
// possible for the grab call to return an image that is not a result of a
// user-generated trigger. To grab excess images, set a zero-length timeout.
// A value of zero makes the grab call non-blocking.
//
printf( "Checking for any buffered images..." );
error = flycaptureSetGrabTimeoutEx( context, 0 );
HANDLE_ERROR( "flycaptureSetGrabTimeoutEx()", error );
error = flycaptureStart(
context, FLYCAPTURE_VIDEOMODE_ANY, FLYCAPTURE_FRAMERATE_ANY );
HANDLE_ERROR( "flycaptureStart()", error );
//
// Grab the image immediately whether or not trigger present
//
error = flycaptureGrabImage2( context, &image );
if( error == FLYCAPTURE_OK )
{
printf( "buffered image found. Flush successful.\n" );
}
else if( error == FLYCAPTURE_TIMEOUT )
{
printf( "no flush required! (normal behaviour)\n" );
}
else
{
HANDLE_ERROR( "flycaptureGrabImage2()", error );
}
error = flycaptureStop( context );
HANDLE_ERROR( "flycaptureStop()", error );
//
// Start camera. This is done after setting the trigger so that
// excess images isochronously streamed from the camera don't fill up
// the internal buffers.
//
printf( "Starting camera.\n" );
error = flycaptureStart(
context,
FLYCAPTURE_VIDEOMODE_ANY,
FLYCAPTURE_FRAMERATE_ANY );
HANDLE_ERROR( "flycaptureStart()", error );
//
// Set the grab timeout so that calls to flycaptureGrabImage2 will return
// after TIMEOUT milliseconds if the trigger hasn't fired.
//
error = flycaptureSetGrabTimeoutEx( context, TIMEOUT );
HANDLE_ERROR( "flycaptureSetGrabTimeoutEx()", error );
printf( "This program will quit after %d images are grabbed.\n", IMAGES );
#ifndef SOFTWARE_TRIGGER_CAMERA
printf( "Trigger the camera by sending a trigger pulse to GPIO%d.\n",
iSource );
#endif
for( int iImage = 0; iImage < IMAGES; iImage++ )
{
#ifdef SOFTWARE_TRIGGER_CAMERA
#ifdef USE_SOFT_ASYNC_TRIGGER
//
// Check that the camera actually supports the PGR SOFT_ASYNC_TRIGGER
// method of software triggering
//
error = checkSoftwareTriggerPresence( context, SOFT_ASYNC_TRIGGER );
if( error == FLYCAPTURE_OK )
{
checkTriggerReady( context );
//
// Camera is now ready to be triggered, so generate software trigger
// by writing a '0' to bit 31
//
printf( "Press the Enter key to initiate a software trigger.\n" );
getchar();
error = flycaptureSetCameraRegister(
context, SOFT_ASYNC_TRIGGER, 0x80000000 );
HANDLE_ERROR( "flycaptureSetCameraRegister()", error );
}
else
{
printf( "SOFT_ASYNC_TRIGGER not implemented! Grab will timeout.\n" );
}
#else
//
// Check that the camera actually supports the DCAM SOFTWARE_TRIGGER
// method of software triggering
//
error = checkSoftwareTriggerPresence( context, SOFTWARE_TRIGGER );
if( error == FLYCAPTURE_OK )
{
error = checkTriggerReady( context );
//
// Camera is now ready to be triggered, so generate software trigger
// by writing a '1' to bit 0
//
printf( "Press the Enter key to initiate a software trigger.\n" );
getchar();
error = flycaptureSetCameraRegister(
context, SOFTWARE_TRIGGER, 0x80000000 );
HANDLE_ERROR( "flycaptureSetCameraRegister()", error );
}
else
{
printf( "SOFTWARE_TRIGGER not implemented! Grab will timeout.\n" );
}
#endif
#endif
//
// Do an image grab. This call will block until the camera
// is externally triggered.
//
error = flycaptureGrabImage2( context, &image );
if( error == FLYCAPTURE_TIMEOUT )
{
printf( "Grab #%d timed out after %d milliseconds.\n", iImage, TIMEOUT );
}
else if( error != FLYCAPTURE_OK )
{
HANDLE_ERROR( "flycaptureGrabImage2()", error );
}
else
{
printf( "Grab %d successful!\n", iImage );
}
}
//
// Stop the camera and destroy the context.
//
flycaptureStop( context );
flycaptureDestroyContext( context );
printf( "Done! (hit enter)" );
getchar();
return 0;
}
