Function
Retrieves the list of the devices which are available for use.
Format
Ret = CntGetMaxChannels ( Index , DeviceName , Device )
Parameters
Index
[ VB.NET: Short ] [ C, C++: short ] [ C#: short ] [ Python: ctypes.c_short
]
This parameter should be zero for the first call and then be incremented
for subsequent calls.
DeviceName
[ VB.NET: String ] [ C, C++: char * ] [ C#: out string ] [ Python: ctypes.c_char_p
]
Returns the device name. (For example: "CNT000")
Device
[ VB.NET: String ] [ C, C++: char * ] [ C#: out string ] [ Python: ctypes.c_char_p
]
Returns the board name. (For example: "CNT-3208M-PE")
Return Value
Ret [ VB.NET: Integer ] [ C, C++: long ] [ C#: int ] [ Python: ctypes.c_long ]
Definition |
Value |
Description |
CNT_ERR_SUCCESS |
0 |
Normality completion |
CNT_ERR_INFO_NOT_FIND_DEVICE |
10051 |
No
more device. |
STATUS_SYS_USB_NOT_FOUND_DEVINFO |
20032 |
The device information is not found. |
The others: (See also: Details of Error Code)
Remarks
This function can be used when you are creating a general-purpose application about the selected device to be used. Index is set to zero for the first call. And then it should be incremented for subsequent calls until the function returns error.
Example
Retrieves the information of the device by Index=0.
VB.NET |
Dim Ret As Integer |
C, C++ |
long Ret; |
C# |
int Ret; |
Python |
Ret = ctypes.c_long() |
See Also
None