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USB-4761 User Manual 8
1.5.2 Programming with Device Drivers Function Library
Advantech Device Drivers offer a rich function library that can be uti-
lized in various application programs. This function library consists of
numerous APIs that support many development tools, such as Visual
C++, Visual Basic, Delphi and C++ Builder.
1.5.3 Troubleshooting Device Drivers Error
Driver functions will return a status code when they are called to perform
a certain task for the application. When a function returns a code that is
not zero, it means the function has failed to perform its designated func-
tion. To troubleshoot the Device Drivers error, you can pass the error
code to DRV_GetErrorMessage function to return the error message.
Alternatively, you can refer to the Device Drivers Error Codes Appendix
in the Device Drivers Manual for a detailed listing of Error Codes, Error
IDs and the Error Messages.