imaq1394WriteQuadlet
Format
rval = imaq1394WriteQuadlet(SESSION_ID sessionId, unsigned long offset, unsigned long value);
Accesses registers on the camera and writes a 32-bit quadlet to the camera. Data is byte-swapped for big endian alignment before transfer.
Parameters
Parameter | Type | Description |
sessionId | SESSION_ID | A valid Session ID, which you can obtain using imaq1394CameraOpen2. |
offset | unsigned long | The offset register location to access. Use IMG1394_ATTR_BASE_ADDRESS to obtain the base register for the camera. Refer to the camera documentation for more information about camera-specific register ranges. |
value | unsigned long | The quadlet to write to the specified offset. |
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 or, if you are using Microsoft Visual Basic, imaq1394ShowErrorCW.