Function
Trigger callback type.
Format
PDIO_TRG_CALLBACK ( Id, Message, wParam, lParam, Param )
Parameters
Id
[C:short] [Python: ctypes.c_short]
The device ID retrieved from DioInit is passed.
Message
[C:short] [Python: ctypes.c_short]
The message ID that becomes the cause of invoking the call back function
is passed.
Definition |
Value |
DIOM_TRIGGER |
1340H |
wParam
[C:long] [Python: ctypes.c_long]
Trigger bit number is passed.
lParam
[C:long] [Python: ctypes.c_long]
Trigger logic is passed.
Definition |
Value [Dec] |
Description |
DIO_TRG_RISE |
1 |
Input value 0->1 |
DIO_TRG_FALL |
2 |
Input value 1->0 |
Param
[C:void *] [Python: ctypes.c_void_p]
The optional parameter passed through DioSetTrgCallBackProc is passed.
Return Value
None
Remarks
The optional parameter passed through DioSetInterruptCallBackProc is passed.
See Also
DioSetTrgEvent
DioSetTrgCallBackProc
Trigger_Function