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RIOT/sys/auto_init/netif/auto_init_ethos.c 2.05 KB
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  /*
   * Copyright (C) 2015 Kaspar Schleiser <kaspar@schleiser.de>
   *
   * 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 ethernet-over-serial module
   *
   * @author  Kaspar Schleiser <kaspar@schleiser.de>
   */
  
  #ifdef MODULE_ETHOS
  
  #include "log.h"
  #include "debug.h"
  #include "ethos.h"
  #include "periph/uart.h"
  #ifdef MODULE_GNRC_NETIF2
  #include "net/gnrc/netif2/ethernet.h"
  #else
  #include "net/gnrc/netdev.h"
  #include "net/gnrc/netdev/eth.h"
  #endif
  
  /**
   * @brief global ethos object, used by uart_stdio
   */
  ethos_t ethos;
  
  /**
   * @brief   Define stack parameters for the MAC layer thread
   * @{
   */
  #define ETHOS_MAC_STACKSIZE (THREAD_STACKSIZE_DEFAULT + DEBUG_EXTRA_STACKSIZE)
  #ifndef ETHOS_MAC_PRIO
  #ifdef MODULE_GNRC_NETIF2
  #define ETHOS_MAC_PRIO      (GNRC_NETIF2_PRIO)
  #else
  #define ETHOS_MAC_PRIO      (GNRC_NETDEV_MAC_PRIO)
  #endif
  #endif
  
  /**
   * @brief   Stacks for the MAC layer threads
   */
  static char _netdev_eth_stack[ETHOS_MAC_STACKSIZE];
  #ifndef MODULE_GNRC_NETIF2
  static gnrc_netdev_t _gnrc_ethos;
  #endif
  
  static uint8_t _inbuf[2048];
  
  void auto_init_ethos(void)
  {
      LOG_DEBUG("[auto_init_netif] initializing ethos #0\n");
  
      /* setup netdev device */
      ethos_params_t p;
      p.uart      = ETHOS_UART;
      p.baudrate  = ETHOS_BAUDRATE;
      p.buf       = _inbuf;
      p.bufsize   = sizeof(_inbuf);
      ethos_setup(&ethos, &p);
  
      /* initialize netdev<->gnrc adapter state */
  #ifdef MODULE_GNRC_NETIF2
      gnrc_netif2_ethernet_create(_netdev_eth_stack, ETHOS_MAC_STACKSIZE,
                                  ETHOS_MAC_PRIO, "ethos", (netdev_t *)&ethos);
  #else
      gnrc_netdev_eth_init(&_gnrc_ethos, (netdev_t*)&ethos);
  
      /* start gnrc netdev thread */
      gnrc_netdev_init(_netdev_eth_stack, ETHOS_MAC_STACKSIZE, ETHOS_MAC_PRIO,
                       "gnrc_ethos", &_gnrc_ethos);
  #endif
  }
  
  #else
  typedef int dont_be_pedantic;
  #endif /* MODULE_ETHOS */
  /** @} */