RIOT/sys/shell/commands/sc_id.c

/*
 * Copyright (C) 2014  INRIA.
 *
 * 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.
 */

/**
 * @ingroup     sys_shell_commands
 * @{
 *
 * @file
 * @brief       Provides shell commands to configure node id
 *
 * @author      Oliver Hahm <oliver.hahm@inria.fr>
 *
 * @}
 */

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "config.h"

int _id_handler(int argc, char **argv)
{
    if (argc < 2) {
        printf("Current id: %u\n", sysconfig.id);
    }
    else {
        long newid = atoi(argv[1]);
        printf("Setting new id %ld\n", newid);
        sysconfig.id = newid;

        if (!config_save()) {
            puts("ERROR setting new id");
            return 1;
        }
    }

    return 0;
}