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/* Remote serial support interface definitions for GDB, the GNU Debugger.
Copyright 1992 Free Software Foundation, Inc.
This file is part of GDB.
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
(at your option) 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
#ifdef HAVE_TERMIO
#include <termios.h>
#include <unistd.h>
struct ttystate
{
int flags; /* Flags from fcntl F_GETFL */
struct termios termios; /* old tty driver settings */
};
#else /* not HAVE_TERMIO */
#include <sgtty.h>
struct ttystate {
int flags; /* Flags from fcntl F_GETFL */
struct sgttyb sgttyb; /* old tty driver settings */
};
#endif /* not HAVE_TERMIO */
/* Return a sensible default name for a serial device, something which
can be used as an argument to serial_open. */
const char *serial_default_name PARAMS ((void));
/* Try to open the serial device "name", return 1 if ok, 0 if not. */
int serial_open PARAMS ((const char *name));
/* Turn the port into raw mode. */
void serial_raw PARAMS ((int fd, struct ttystate *oldstate));
/* Turn the port into normal mode. */
void serial_normal PARAMS ((void));
/* Read one char from the serial device with <TO>-second timeout.
Returns char if ok, else EOF, -2 for timeout, -3 for anything else */
int serial_readchar PARAMS ((int to));
/* Set the baudrate to the decimal value supplied, and return 1, or fail and
return 0. */
int serial_setbaudrate PARAMS ((int rate));
/* Return the next rate in the sequence, or return 0 for failure. */
/* Write some chars to the device, returns 0 for failure. See errno for
details. */
int serial_write PARAMS ((const char *str, int len));
/* Close the serial port */
void serial_close PARAMS ((void));
/* Restore the serial port to the state saved in oldstate */
void serial_restore PARAMS ((int desc, struct ttystate oldstate));
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