RIOT/dist/tools/linux-border_router/control_2xxx.c

/*
 * Copyright (C) 2014 Freie Universität Berlin.
 *
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */

#include "control_2xxx.h"

#include <stdio.h>
#include <time.h>
#include <unistd.h>

#include "serial.h"

void hard_reset_to_bootloader(void)
{
    printf("Reset CPU (into bootloader)\r\n");
    set_rts(1);     /* RTS (ttl level) connects to P0.14 */
    set_dtr(1);     /* DTR (ttl level) connects to RST */
    send_break_signal();    /* or break detect circuit to RST */
    usleep(75000);
    set_dtr(0);     /* allow the CPU to run */
    set_baud(baud_rate);
    set_rts(1);     /* set RTS again (as it has been reset by set_baudrate) */
    usleep(40000);
}

void hard_reset_to_user_code(void)
{
    printf("Reset CPU (into user code)\r\n");
    set_rts(0);     /* RTS (ttl level) connects to P0.14 */
    set_dtr(1);     /* DTR (ttl level) connects to RST */
    send_break_signal();    /* or break detect circuit to RST */
    usleep(75000);
    set_dtr(0);     /* allow the CPU to run */
    usleep(40000);
}