1 // fg_serial.cxx -- Serial I/O routines
3 // Written by Curtis Olson, started November 1999.
5 // Copyright (C) 1999 Curtis L. Olson - curt@flightgear.org
7 // This program is free software; you can redistribute it and/or
8 // modify it under the terms of the GNU General Public License as
9 // published by the Free Software Foundation; either version 2 of the
10 // License, or (at your option) any later version.
12 // This program is distributed in the hope that it will be useful, but
13 // WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 // General Public License for more details.
17 // You should have received a copy of the GNU General Public License
18 // along with this program; if not, write to the Free Software
19 // Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 #include <Include/compiler.h>
28 #include <Debug/logstream.hxx>
29 #include <Aircraft/aircraft.hxx>
30 #include <Include/fg_constants.h>
31 #include <Serial/serial.hxx>
32 #include <Time/fg_time.hxx>
34 #include "fg_serial.hxx"
39 FGSerial::FGSerial() {
43 FGSerial::~FGSerial() {
47 // open the serial port based on specified direction
48 bool FGSerial::open( FGProtocol::fgProtocolDir dir ) {
49 if ( ! port.open_port( device ) ) {
50 FG_LOG( FG_IO, FG_ALERT, "Error opening device: " << device );
54 // cout << "fd = " << port.fd << endl;
56 if ( ! port.set_baud( atoi( baud.c_str() ) ) ) {
57 FG_LOG( FG_IO, FG_ALERT, "Error setting baud: " << baud );
65 // read data from port
66 bool FGSerial::read( char *buf, int *length ) {
68 *length = port.read_port( buf );
71 buf[ *length ] = '\0';
77 bool FGSerial::write( char *buf, int length ) {
78 int result = port.write_port( buf, length );
80 if ( result != length ) {
81 FG_LOG( FG_IO, FG_ALERT, "Error writing data: " << device );
90 bool FGSerial::close() {
91 if ( ! port.close_port() ) {