view libserial-posix/setbaud.c @ 844:4694c7686ccd

fc-tmsync: add mpr command
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 31 Jul 2021 21:57:48 +0000
parents fd7b447b99e3
children
line wrap: on
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/*
 * This module implements the termios/ioctl setting of the baud rate.
 */

#include <sys/types.h>
#include <sys/ioctl.h>
#include <termios.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "baudrate.h"

extern int target_fd;

struct baudrate *current_baud_rate;

set_serial_baudrate(br)
	struct baudrate *br;
{
	struct termios target_termios;

	target_termios.c_iflag = IGNBRK;
	target_termios.c_oflag = 0;
	target_termios.c_cflag = CLOCAL|HUPCL|CREAD|CS8;
	target_termios.c_lflag = 0;
	target_termios.c_cc[VMIN] = 1;
	target_termios.c_cc[VTIME] = 0;
	cfsetispeed(&target_termios, br->termios_code);
	cfsetospeed(&target_termios, br->termios_code);
	if (tcsetattr(target_fd, TCSAFLUSH, &target_termios) < 0) {
		perror("tcsetattr");
		exit(1);
	}
	current_baud_rate = br;
	return 0;
}