PDIO_TRG_CALLBACK

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

Input value 0->1

DIO_TRG_FALL

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.