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https://github.com/RIOT-OS/RIOT.git
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51ff6c3675
Check return values of following functions for null:
- gnrc_netif_iter
- gnrc_netif_hdr_build
- gnrc_pktsnip_search_type
- gnrc_netif_get_by_pid
- gnrc_netif_hdr_get_netif
- _nib_drl_get
53 lines
1.0 KiB
C
53 lines
1.0 KiB
C
/*
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* Copyright (C) 2018 Shuguo Zhuo
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @ingroup examples
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* @{
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*
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* @file
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* @brief MAC shell commands
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*
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* @author Shuguo Zhuo <zhuosgzju@gmail.com>
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*
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* @}
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*/
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#include <stdio.h>
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#include <inttypes.h>
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#include "net/gnrc.h"
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#include "net/gnrc/mac/types.h"
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int mac_cmd(int argc, char **argv)
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{
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if (argc < 2) {
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printf("usage: %s duty\n", argv[0]);
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return 1;
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}
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if (strcmp(argv[1], "duty") == 0) {
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#if (GNRC_MAC_ENABLE_DUTYCYCLE_RECORD == 1)
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gnrc_netif_t *netif = NULL;
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netif = gnrc_netif_iter(netif);
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if (netif) {
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msg_t msg;
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msg.type = GNRC_MAC_TYPE_GET_DUTYCYCLE;
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msg_send(&msg, netif->pid);
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}
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#else
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puts("MAC: radio duty-cycle unavailable.");
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#endif
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}
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else {
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puts("error: invalid command");
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}
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return 0;
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}
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