+static HANDLE
+open_serial(char *full_name)
+{
+ HANDLE handle;
+ DCB dcb;
+
+ handle = CreateFile(full_name, GENERIC_READ|GENERIC_WRITE,
+ 0, NULL, OPEN_EXISTING,
+ FILE_FLAG_OVERLAPPED, NULL);
+
+ if (handle == INVALID_HANDLE_VALUE) {
+ altos_set_last_windows_error();
+ return INVALID_HANDLE_VALUE;
+ }
+
+ if (!GetCommState(handle, &dcb)) {
+ altos_set_last_windows_error();
+ CloseHandle(handle);
+ return INVALID_HANDLE_VALUE;
+ }
+ dcb.BaudRate = CBR_9600;
+ dcb.fBinary = TRUE;
+ dcb.fParity = FALSE;
+ dcb.fOutxCtsFlow = FALSE;
+ dcb.fOutxDsrFlow = FALSE;
+ dcb.fDtrControl = DTR_CONTROL_ENABLE;
+ dcb.fDsrSensitivity = FALSE;
+ dcb.fTXContinueOnXoff = FALSE;
+ dcb.fOutX = FALSE;
+ dcb.fInX = FALSE;
+ dcb.fErrorChar = FALSE;
+ dcb.fNull = FALSE;
+ dcb.fRtsControl = RTS_CONTROL_ENABLE;
+ dcb.fAbortOnError = FALSE;
+ dcb.XonLim = 10;
+ dcb.XoffLim = 10;
+ dcb.ByteSize = 8;
+ dcb.Parity = NOPARITY;
+ dcb.StopBits = ONESTOPBIT;
+ dcb.XonChar = 17;
+ dcb.XoffChar = 19;
+#if 0
+ dcb.ErrorChar = 0;
+ dcb.EofChar = 0;
+ dcb.EvtChar = 0;
+#endif
+ if (!SetCommState(handle, &dcb)) {
+ altos_set_last_windows_error();
+ CloseHandle(handle);
+ return INVALID_HANDLE_VALUE;
+ }
+ return handle;
+}
+