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RIOT/sys/auto_init/netif/auto_init_cc2420.c 2.07 KB
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  /*
   * Copyright (C) 2016 Freie Universitรคt Berlin
   *               2016 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     auto_init_gnrc_netif
   * @{
   *
   * @file
   * @brief       Auto initialization for CC2420 network devices
   *
   * @author      Hauke Petersen <hauke.petersen@fu-berlin.de>
   * @author      Francisco Acosta <francisco.acosta@inria.fr>
   */
  
  #ifdef MODULE_CC2420
  
  #include "board.h"
  #include "net/gnrc/netdev2.h"
  #include "net/gnrc/netdev2/ieee802154.h"
  #include "net/gnrc.h"
  
  #include "cc2420.h"
  #include "cc2420_params.h"
  
  #define ENABLE_DEBUG    (0)
  #include "debug.h"
  
  /**
   * @brief   MAC layer stack parameters
   * @{
   */
  #define CC2420_MAC_STACKSIZE           (THREAD_STACKSIZE_MAIN)
  #ifndef CC2420_MAC_PRIO
  #define CC2420_MAC_PRIO                (GNRC_NETDEV2_MAC_PRIO)
  #endif
  /** @} */
  
  /**
   * @brief   Get the number of configured CC2420 devices
   */
  #define CC2420_NUMOF        (sizeof(cc2420_params) / sizeof(cc2420_params[0]))
  
  /**
   * @brief   Allocate memory for dev descriptors, stacks, and 802.15.4 adaption
   * @{
   */
  static cc2420_t cc2420_devs[CC2420_NUMOF];
  static gnrc_netdev2_t gnrc_adpt[CC2420_NUMOF];
  static char _cc2420_stacks[CC2420_NUMOF][CC2420_MAC_STACKSIZE];
  /** @} */
  
  void auto_init_cc2420(void)
  {
      for (unsigned i = 0; i < CC2420_NUMOF; i++) {
          DEBUG("Initializing CC2420 radios #%u\n", i);
  
          cc2420_setup(&cc2420_devs[i], &cc2420_params[i]);
          int res = gnrc_netdev2_ieee802154_init(&gnrc_adpt[i],
                                                 (netdev2_ieee802154_t *)&cc2420_devs[i]);
  
          if (res < 0) {
              DEBUG("Error initializing CC2420 radio device!\n");
          }
          else {
              gnrc_netdev2_init(_cc2420_stacks[i],
                                CC2420_MAC_STACKSIZE,
                                CC2420_MAC_PRIO,
                                "cc2420", &gnrc_adpt[i]);
          }
      }
  }
  
  #else
  typedef int dont_be_pedantic;
  #endif /* MODULE_CC2420 */
  
  /** @} */