Function
Device cannot be accessed after the exit processing is performed.
Format
Ret = CntExit ( Id )
Parameters
Id
[ C: short ] [ Python: ctypes.c_short ]
Specifies the device ID retrieved from CntInit.
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_CLOSE_FILE |
10004 |
Failed in closing file (close failed). |
The other errors: (See also: Details of Error Code)
Initial value
None
Remarks
If the device ID retrieved from CntInit is invalid, the device cannot be accessed. Each function except CntInit cannot be used after this function is called. Only CntInit can be used after this function is called.
Example
C |
Ret = CntExit(Id); |
Python |
Ret = ccnt.CntExit(Id) |
See Also