Digilent WaveForms - Manual (Page 7)

WaveForms™ SDK Reference Manual
Copyright Digilent, Inc. All rights reserved.
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Page 7 of 85
2 System
FDwfGetLastError(DWFERC *pdwferc)
Parameters:
- pdwferc - Variable to receive error code.
The function above is used to retrieve the last error code in the calling process. The error code is cleared when
other API functions are called and is only set when an API function fails during execution. Error codes are declared
in dwf.h:
API Error Codes Error Code Definition
dwfercNoErc No error occurred.
dwfercUnknownError Call waiting on pending API time out.
dwfercApiLockTimeout Call waiting on pending API time out.
dwfercAlreadyOpened Device already opened.
dwfercNotSupported Device not supported.
dwfercInvalidParameter0 Parameter 0 was invalid in last API call.
dwfercInvalidParameter1 Parameter 1 was invalid in last API call.
dwfercInvalidParameter2 Parameter 2 was invalid in last API call.
dwfercInvalidParameter3 Parameter 3 was invalid in last API call .
FDwfGetLastErrorMsg(
char szError[512])
Parameters:
- szError - Pointer to buffer to receive error string.
The function above is used to retrieve the last error message. This may consist of a chain of messages, separated
by a new line character, that describe the events leading to the failure.
FDwfGetVersion(
char szVersion[32])
Parameters:
- szVersion - Pointer to buffer to receive version string.
The function above is used to retrieve the version string. The version string is composed of major, minor, and build
numbers (i.e., “2.0.19”).