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RIOT/examples/gnrc_minimal/main.c 1.27 KB
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  /*
   * Copyright (C) 2015 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     examples
   * @{
   *
   * @file
   * @brief       Showing minimum memory footprint of gnrc network stack
   *
   * @author      Oliver Hahm <oliver.hahm@inria.fr>
   *
   * @}
   */
  
  #include <stdio.h>
  
  #include "msg.h"
  #include "net/ipv6/addr.h"
  #include "net/gnrc/netif.h"
  #include "net/gnrc/ipv6/netif.h"
  
  int main(void)
  {
      kernel_pid_t ifs[GNRC_NETIF_NUMOF];
  
      puts("RIOT network stack example application");
  
      /* get the first IPv6 interface and prints its address */
      size_t numof = gnrc_netif_get(ifs);
      if (numof > 0) {
          gnrc_ipv6_netif_t *entry = gnrc_ipv6_netif_get(ifs[0]);
          for (int i = 0; i < GNRC_IPV6_NETIF_ADDR_NUMOF; i++) {
              if ((ipv6_addr_is_link_local(&entry->addrs[i].addr)) && !(entry->addrs[i].flags & GNRC_IPV6_NETIF_ADDR_FLAGS_NON_UNICAST)) {
                  char ipv6_addr[IPV6_ADDR_MAX_STR_LEN];
                  ipv6_addr_to_str(ipv6_addr, &entry->addrs[i].addr, IPV6_ADDR_MAX_STR_LEN);
                  printf("My address is %s\n", ipv6_addr);
              }
          }
      }
  
      /* main thread exits */
      return 0;
  }