Function
Retrieves the clock type.
Format
Ret = AioGetAiClockType ( Id , AiClockType )
Parameters
Id
[ C, C++ : short ] [ Python : ctypes.c_short ]
Specifies the Device ID retrieved from AioInit function.
AiClockType
[ C, C++ : short * ] [ Python : ctypes.POINTER(ctypes.c_short) ]
Specifies the address of the variable that stores the clock type.
0 |
Internal clock |
1 |
External clock |
10 |
Event controller output |
Return value
Ret [ C, C++ : long ] [ Python : ctypes.c_long ]
Return values |
Content |
0 |
Normality completion |
7 |
Execute AioResetDevice function because the device has recovered from standby mode |
10001 |
Invalid
Id was specified |
10002 |
AIO
driver can't be called |
11130 |
Pointer
to AiClockType is NULL |
20001 |
This function can't be used by this device |
20002 |
Can
not use while by another device works |
20003 |
Can
not use because another process is using the device |
Initial value
Internal clock is used for all devices.
Remarks
This function cannot be used on devices without
the analog input function.
If the device is in operation, the function cannot be performed.
Example
Retrieves the clock type.
C, C++ |
long
Ret; |
Python |
Ret
= ctypes.c_long() |
See also