CntZeroClearCount

Function

Clears the count value to 0. Supports multi-processing.

Format

Ret = CntZeroClearCount ( Id , ChNo , ChNum )

Parameters

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

ChNo [C: short *] [Python: ctypes.POINTER(ctypes.c_short)]
Specify the base address of array storing the setting channel number.

ChNum [C: short] [Python: ctypes.c_short]
Specify the number of channels in array ChNo.

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_CALL_DRIVER	10002	Driver cannot be called (failed in ioctl).
CNT_ERR_DLL_BUFF_ADDRESS	10101	Invalid data buffer address.
CNT_ERR_SYS_CH_NO	20201	Channel number is outside the range.
CNT_ERR_SYS_CH_NUM	20202	Number of channels is out of range.

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

Initial Value

None

Remarks

Clears the count value of specified channel to 0. Passes the channel number in array. This function is valid before or after the counter starts.

Example

C	Ret = CntZeroClearCount (Id, ChNo, 2);
Python	Ret = ccnt.CntZeroClearCount (Id, ChNo, 2)