Function
Executes the selecting of Totalizing counter/Difference counter.
Format
Ret = CntSetCounterMode ( Id , ChNo , CountMode )
Parameters
Id
[ C, C++ : short] [Python: ctypes.c_short]
Specifies the device ID retrieved from CntInit.
ChNo
[ C, C++ : short] [Python: ctypes.c_short]
Specifies the channel number which you want to set.
CountMode
[ C, C++ : short] [Python: ctypes.c_short]
Specify the selection of Totalizing counter/Line receiver counter.
Definition |
Value |
Description |
CNTS_MODE_NORMAL |
0 |
Totalizing counter |
CNTS_MODE_DIFF |
1 |
Difference counter |
Return Value
Ret [ C, 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_SYS_MEMORY |
20000 |
It failed in memory allocation for the object preparation. |
CNT_ERR_SYS_USING_OTHER_PROCESS |
20003 |
Cannot use because another process is using the device. |
CNT_ERR_SYS_COUNT_MODE |
21004 |
The count mode is out of range. |
The other errors: (See also: Details of Error Code)
Initial Value
Totalizing counter
Remarks
Difference counter is valid only in sampling. This function should be executed in the setting stage before sampling starts.
Example
C, C++ |
Ret = CntSetCounterMode
(Id, 0, CNTS_MODE_NORMAL); |
Python |
Ret = ccnt.CntSetCounterMode
(Id, 0, ccnt.CNTS_MODE_NORMAL) |