DioGetCountStatus

Function

Retrieves the count status.

Format

Ret = DioGetCountStatus ( Id , ChNo , ChNum , CountStatus )

Parameters

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

ChNo [C:short *] [Python: ctypes.POINTER(ctypes.c_short)]
Specifies the start address of the array that stores the channel numbers to get setting.

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

CountStatus [C:unsigned int *] [Python: ctypes.POINTER(ctypes.c_uint)]
Specifies the start address of the array that stores the status.

When using <CPSN-DI-16BCL>

Bit	Description	Value
0	Comparison match	0: Not matched 1: Matched (Clear when reading)
1	Carry	0: Carry undetection 1: Carry detection (Clear when reading)
31:2	Reserved	-

When using <DIO-0404LY-WQ>

Bit	Description	Value
0	Reserved	-
1	Carry	0: Carry undetection 1: Carry detection (Clear when reading)
2	Counter operation status	0: Stop 1: In operation
31:3	Reserved	-

Return Value

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

Definition	Value [Dec]	Description
DIO_ERR_SUCCESS	0	Normal complete
DIO_ERR_DLL_INVALID_ID	10001	Invalid ID is specified.
DIO_ERR_DLL_CALL_DRIVER	10002	Driver cannot be called (failed in ioctl).
DIO_ERR_DLL_BUFF_ADDRESS	10100	Invalid data buffer address.
DIO_ERR_SYS_NOT_SUPPORTED	20001	This function cannot be used for this device.
DIO_ERR_SYS_CH_NO	20105	Channel No. is outside the setting range.
DIO_ERR_SYS_CH_NUM	20106	Channel number is outside the setting range.

The other errors: (See also: Error code details)

Example

C	Ret = DioGetCountStatus( Id , &ChNo[0] , ChNum , &CountStatus[0] );
Python	Ret = cdio.DioGetCountStatus( Id , ChNo , ChNum , CountStatus )