CntSetTimeUpCallBackProc

Function

Specifies the callback function for the timer interrupt event.

Format

Ret = CntSetTimeUpCallBackProc ( Id , CallBack , Param )

Parameters

Id [C: short] [Python: ctypes.c_short]
Specifies the device ID retrieved from CntInit.

CallBack [C: PCNT_TIMEUP_CALLBACK] [Python: PCNT_TIMEUP_CALLBACK]
Specifies the address of callback function.

Param [C:void *] [Python: ctypes.c_void_p]
Specifies the parameter passed to the callback function.

Return Value

Ret [C: long] [Python: ctypes.c_long]

Definition	Value	Description
CNT_ERR_SUCCESS	0	Normal Complete
CNT_ERR_DLL_INVALID_ID	10001	Invalid ID is specified.
CNT_ERR_DLL_CALLBACK	10400	Invalid address of callback function.

The other errors: (See also: Details of Error Code)

Remarks

It is the function which accept the interrupt by using the timer interrupt function of hardware.
After setting the interrupt callback setting, sets the interrupt event,
the callback function is called when the interrupt occurs.
This function cannot be used with CPSN-CNT-3202I.

Example

C	Ret = CntSetTimeUpCallBackProc(Id, CallBack, Param);
Python	Ret = ccnt.CntSetTimeUpCallBackProc(Id, CallBack, Param)