Function
Presets the count values.
Format
Ret = DioCountPreset ( Id , ChNo , ChNum , PresetCount )
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 be set.
ChNum [C:short]
[Python: ctypes.c_short]
Specifies the number of channels specified in ChNo.
PresetCount
[C:unsigned int *] [Python: ctypes.POINTER(ctypes.c_uint)]
Specifies the start address of the array that stores the preset values.
Specifiable range :
For 32-bit counter devices : 0h <= Count <= FFFFFFFFh
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. |
DIO_ERR_SYS_COUNT_VAL |
20810 |
Count value is outside the setting range. |
The other errors: (See also: Error code details)
Remarks
- Presets the count values of the specified channels.
Example
C |
Ret = DioCountPreset(
Id , &ChNo[0] , ChNum , &PresetCount[0] ); |
Python |
Ret = cdio.DioCountPreset(
Id , ChNo , ChNum , PresetCount ) |
See Also