Teledyne Princeton Instruments PICam 5.x, Руководство программиста

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Chapter 7 Advanced Function APIs 217
7.3.7 Camera-Specific Data Acquisition Callbacks
This section provides programming information about camera-specific data acquisition
callbacks.
7.3.7.1
PicamAcquisitionUpdatedCallback()
Description
PicamAcquisitionUpdatedCallback()
is the change notification callback function
called when a camera’s data acquisition status has changed.
Syntax
The syntax for
PicamAcquisitionUpdatedCallback()
is:
typedef PicamError (PIL_CALL* PicamAcquisitionUpdatedCallback)
(
PicamHandle device,
const PicamAvailableData* available,
const PicamAcquisitionStatus* status);
Input Parameters
Input parameters for
PicamAcquisitionUpdatedCallback()
are:
7.3.7.2
PicamAcquisitionStateUpdatedCallback()
Description
PicamAcquisitionStateUpdatedCallback()
is the notification callback function
called when a camera has transitioned into the acquisition state requested for
detection.
Syntax
The syntax for
PicamAcquisitionStateUpdatedCallback()
is:
typedef PicamError (PIL_CALL* PicamAcquisitionStateUpdatedCallback)
(
PicamHandle device,
PicamAcquisitionState current,
const PicamAcquisitionStateCounters* counters,
PicamAcquisitionStateErrorsMask errors);
Input Parameters
Input parameters for
PicamAcquisitionStateUpdatedCallback()
are:
device:
Handle for the camera which is acquiring data.
available: Pointer to the array in which newly acquired data are stored.
If no data are available, this is null.
status:
Pointer to the data acquisition status.
device: Handle for the device which transitioned into the acquisition state.
current:
Acquisition state whose transition was detected.
counters: Pointer to the counted transitions at the time of detection.
errors:
Indicates if any errors have occurred.