DioGetDeviceInfo

Function

Retrieves the information of device.

Format

Ret = DioGetDeviceInfo ( Device , InfoType , Param1 , Param2 , Param3 )

Parameters

Device [C:char*] [Python: ctypes.c_char_p]
Specifies the device name. (For example: PIO-32/32L(PCI)H)

InfoType [C:short] [Python: ctypes.c_short]
Specifies the type of retrieved information. Select the type of information as the following define value.

Definition	Value [Dec]	Description	Parameter
IDIO_DEVICE_TYPE	0	Device type	Param1(short)
IDIO_NUMBER_OF_8255	1	Number of 8255 chips	Param1(int)
IDIO_IS_8255_BOARD	2	8255 chip present/absent	Param1(int)
IDIO_NUMBER_OF_DI_BIT	3	Number of input bits	Param1(short)
IDIO_NUMBER_OF_DO_BIT	4	Number of output bits	Param1(short)
IDIO_NUMBER_OF_DI_PORT	5	Number of input ports	Param1(short)
IDIO_NUMBER_OF_DO_PORT	6	Number of output ports	Param1(short)
IDIO_IS_POSITIVE_LOGIC	7	Is it positive logic	Param1(int)
IDIO_IS_ECHO_BACK	8	Echo back is available	Param1(int)
IDIO_IS_DIRECTION	9	DioSetIoDirection function can be used	Param1(int)
IDIO_IS_FILTER	10	Digital filter can be used	Param1(int)
IDIO_NUMBER_OF_INT_BIT	11	The number of available interrupt bits	Param1(short)

Param1, Param2, Param3 [C:void *] [Python: ctypes.c_void_p]
Specifies parameters that match with the type of information in address.
Please specify NULL for those unnecessary item.

Return Value

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

Definition	Value [Dec]	Description
DIO_ERR_SUCCESS	0	Normal complete
DIO_ERR_INFO_INVALID_DEVICE	10050	Specified device name isn't found.
DIO_ERR_INFO_NOT_FIND_DEVICE	10051	The usable device isn't found.
DIO_ERR_INFO_INVALID_INFOTYPE	10052	The specified device information type is outside the range.

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

Initial Value

None

Remarks

Retrieve the information of device.

Example

C	Ret = DioGetDeviceInfo( "PIO-32/32L(PCI)H", IDIO_NUMBER_OF_DI_PORT, &InpPortNum, NULL, NULL );
Python	Ret = cdio.DioGetDeviceInfo( "PIO-32/32L(PCI)H", cdio.IDIO_NUMBER_OF_DI_PORT, ctypes.byref(InpPortNum), 0, 0 )