Callback Function

Use function AioSetCntCallBackProc to register the callback function.

Ret = AioSetCntCallBackProc ( Id , CntChannel , CallBackProc , CntEvent , Param)

Specifies the pointer of the created callback function in the CallBackProc.
Please set as follows in each language.

When callback function name is CallBackProc
VC:Ret = AioSetCntCallBackProc(Id, 0 , CallBackProc, CNTE_DATA_NUM , this);

Specifies the event factor by macro or numeric value from the following range in the CntEvent.
CntEvent has the following meanings in bit, it can be specified by a combination of these bits.

Event factor

Macro

Value

Event comparison count match

CNTE_DATA_NUM

00000010H

Event count overrun

CNTE_ORERR

00010000H

Counter operation error

CNTE_ERR

00010001H

Event comparison count match (Macro: CNTE_DATA_NUM Value: 00000010H)
The event is generated when the counter comparison count match is established.

Event count overrun (Macro: CNTE_ORERR Value: 00010000H)
The event is generated when counter overrun occurs.

Counter operation error (Macro: CNTE_ERR Value: 00010001H)
This event is generated when the counter action stops by the counter operation error.

 

Sets the pointer to any parameter passed to callback function in the Param.