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Chunk
1. Close image stream.
2. Sets the activation of Chunk feature.
Write to ‘Value’ field of ‘ChunkModeActive’ register.
3. Sets the activation of Chunk data.
Write to ‘Value’ field of ‘ChunkEnableOfVendorSpecific‘, ‘ChunkEnableOfCat4’,
‘ChunkEnableOfCat5’ and ‘ChunkEnableOfCat9’ register.
4. Sets the user string. (optional)
Write to ‘Value[0]’ to ‘Value[last]’ field of ‘ChunkUserArea‘ register.
5. Open image stream.
6. Capture image stream.
TeliCamAPI provides streaming functions including command handling and buffer handling to
capture image stream simply.
Please refer to [Camera streaming functions] in [TeliCamAPI Library manual]
and [GrabStreamSimple] sample code in your TeliCamSDK install folder.
7. Extract Chunk data using GenICam API.
// 2.Activate ChunkModeActive
int32_t active = 1;
Cam_WriteReg(s_hCam, 0x21D030,1, &active);
// 3.Enable Chunk
int32_t cat4 = 5;
Cam_WriteReg(s_hCam, 0x21D0F0,1, &cat4);
// 5.6.Open and capture image
Strm_ReadCurrentImage(hStrm, pvPayloadBuf, &uiPyldSize, &sImageInfo);
// 7-1. Attach Buffer
Chunk_AttachBuffer(s_hStrm, pvPayloadBuf, PyldSize)
// 7-2.Get FrameID of Chunk data.
int64_t fid= 0;
Nd_GetIntValue(s_hCam, hFID, &fid);
// 7-2.Get Exposure Time of Chunk data.
float64_t exptime = 0;
Nd_GetFloatValue(s_hCam, hExposureTime, &exptime);
// 7-2.Get User Area data of Chunk data.
char userarea[256];
uint32_t uiSize = 256;
Nd_GetStrValue(s_hCam, hUserAreaTable, &userarea, &uiSize);
Please refer to [Camera functions] in [TeliCamAPI Library manual] for more detail.
