134 lines
2.9 KiB
C++
134 lines
2.9 KiB
C++
// SerialPort.hh
|
|
// This file is part of libpbe; see http://anyterm.org/
|
|
// (C) 2006-2007 Philip Endecott
|
|
|
|
// This program is free software; you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation; either version 2 of the License, or
|
|
// any later version.
|
|
//
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU General Public License
|
|
// along with this program; if not, write to the Free Software
|
|
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
|
|
|
|
#ifndef libpbe_SerialPort_hh
|
|
#define libpbe_SerialPort_hh
|
|
|
|
#include "FileDescriptor.hh"
|
|
#include "Exception.hh"
|
|
|
|
#include <string>
|
|
#include <boost/lexical_cast.hpp>
|
|
|
|
#include <termios.h>
|
|
#include <unistd.h>
|
|
|
|
|
|
namespace pbe {
|
|
|
|
class SerialPort: public FileDescriptor {
|
|
|
|
public:
|
|
SerialPort(std::string fn, open_mode_t open_mode, int baudrate, bool raw=true):
|
|
FileDescriptor(fn,open_mode)
|
|
{
|
|
set_serial_mode(baudrate,raw);
|
|
}
|
|
|
|
SerialPort(std::string fn, open_mode_t open_mode):
|
|
FileDescriptor(fn,open_mode)
|
|
{}
|
|
|
|
SerialPort(int fd):
|
|
FileDescriptor(fd)
|
|
{}
|
|
|
|
void set_serial_mode(int baudrate, bool raw=true) {
|
|
struct termios settings;
|
|
int rc = tcgetattr(fd, &settings);
|
|
if (rc<0) {
|
|
throw_ErrnoException("tcgetattr("+fn+")");
|
|
}
|
|
if (raw) {
|
|
cfmakeraw(&settings);
|
|
}
|
|
rc = cfsetspeed(&settings,baudrate);
|
|
if (rc!=0) {
|
|
throw_ErrnoException("cfsetspeed("+fn+","
|
|
+boost::lexical_cast<std::string>(baudrate)+")");
|
|
}
|
|
rc = tcsetattr(fd, TCSANOW, &settings);
|
|
if (rc<0) {
|
|
throw_ErrnoException("tcsetattr("+fn+")");
|
|
}
|
|
}
|
|
|
|
void discard_pending_input(void) {
|
|
int rc = tcflush(fd, TCIFLUSH);
|
|
if (rc!=0) {
|
|
throw_ErrnoException("tcflush(TCIFLUSH)");
|
|
}
|
|
}
|
|
|
|
|
|
typedef int modem_bits_t;
|
|
|
|
modem_bits_t get_modem_bits(void) {
|
|
modem_bits_t bits;
|
|
ioctl(TIOCMGET,&bits);
|
|
return bits;
|
|
}
|
|
|
|
bool is_cd(void) {
|
|
return get_modem_bits()&TIOCM_CD;
|
|
}
|
|
|
|
bool is_ri(void) {
|
|
return get_modem_bits()&TIOCM_RI;
|
|
}
|
|
|
|
bool is_dsr(void) {
|
|
return get_modem_bits()&TIOCM_DSR;
|
|
}
|
|
|
|
bool is_cts(void) {
|
|
return get_modem_bits()&TIOCM_CTS;
|
|
}
|
|
|
|
|
|
void set_these_modem_bits(modem_bits_t bits) {
|
|
ioctl(TIOCMBIS,&bits);
|
|
}
|
|
|
|
void clear_these_modem_bits(modem_bits_t bits) {
|
|
ioctl(TIOCMBIC,&bits);
|
|
}
|
|
|
|
void define_modem_bits(modem_bits_t bits, bool v) {
|
|
if (v) {
|
|
set_these_modem_bits(bits);
|
|
} else {
|
|
clear_these_modem_bits(bits);
|
|
}
|
|
}
|
|
|
|
void define_rts(bool v) {
|
|
define_modem_bits(TIOCM_RTS,v);
|
|
}
|
|
|
|
void define_dtr(bool v) {
|
|
define_modem_bits(TIOCM_DTR,v);
|
|
}
|
|
|
|
};
|
|
|
|
};
|
|
|
|
#endif
|