imaq1394Snap
Format
rval = imaq1394Snap (SESSION_ID sessionId, void *buffer, Rect rectangle);
Purpose
Configures, starts, acquires, stops, and unconfigures a snap acquisition. Use a snap for low-speed or single-capture applications where ease of programming is essential. If you call this function before calling imaq1394CameraOpen2, imaq1394Snap uses cam0 by default.
Parameters
Parameter | Type | Description |
sessionId | SESSION_ID | A valid Session ID, which you can obtain using imaq1394CameraOpen2. |
buffer | void * | On return, the buffer that contains the image. |
rectangle | Rect | The area of the acquisition window to acquire. Set this parameter to IMAQ_NO_RECT to acquire the entire acquisition window. |
Return Value
On success, this function returns IMG1394_ERR_GOOD. On failure, this function returns an error code. You can obtain a more detailed error message with imaq1394ShowError.