Rs232ClosePortWin32 Rs232ConfigurePortWin32 Rs232OpenPortWin32 Rs232ReadByteWin32 Rs232SetCommunicationTimeoutsWin32 Rs232WriteByteWin32

BOOL Rs232WriteByteWin32 ( BYTE  DataByte ) Definition at line 239 of file rs232.c. Referenced by Rs232Thread(). { DWORD BytesWritten = 0; BOOL Success; DWORD ErrorCode; Success = WriteFile(hPortHandle, &DataByte, 1, &BytesWritten, NULL); if (!Success || BytesWritten != 1) { ErrorCode = GetLastError(); _tprintf(TEXT("WriteFile() failed. GetLastError() = %lu.\n"), ErrorCode); return FALSE; } return TRUE; }