FtVspcGetDsr Function
Retrieves the state of DSR signal.
BOOL FtVspcGetDsr( FTVSPCHANDLE hPort, BOOL* lpbDsr );
Parameters
hPort
[in] Port handle. Refer to FtVspcAttach.
lpbDsr
[out] A pointer to the variable where the state of DSR signal is returned.
Return Value
If the function succeeds, the return value is nonzero. Use FtVspcGetLastError to get the error code (FtVspc_ErrorCode).
Errors
ftvspcErrorFailed | 1 | The operation has not been completed. |
---|---|---|
ftvspcErrorInvalidParameter | 2 | Invalid parameter. |