text: /**
   * \addtogroup rimeabc
   * @{
   */
  
  
  /*
   * Copyright (c) 2004, Swedish Institute of Computer Science.
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   * 3. Neither the name of the Institute nor the names of its contributors
   *    may be used to endorse or promote products derived from this software
   *    without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   *
   * This file is part of the Contiki operating system.
   *
   * Author: Adam Dunkels <adam@sics.se>
   *
   */
  
  /**
   * \file
   *         Anonymous best-effort local area Broad Cast (abc)
   * \author
   *         Adam Dunkels <adam@sics.se>
   */
  
  #include "contiki-net.h"
  #include "net/rime.h"
  
  
  #define DEBUG 0
  #if DEBUG
  #include <stdio.h>
  #define PRINTF(...) printf(__VA_ARGS__)
  #else
  #define PRINTF(...)
  #endif
  
  static const struct packetbuf_attrlist attributes[] =
    { ABC_ATTRIBUTES PACKETBUF_ATTR_LAST };
  
  /*---------------------------------------------------------------------------*/
  void
  abc_open(struct abc_conn *c, uint16_t channelno,
  	  const struct abc_callbacks *callbacks)
  {
    channel_open(&c->channel, channelno);
    c->u = callbacks;
    channel_set_attributes(channelno, attributes);
  }
  /*---------------------------------------------------------------------------*/
  void
  abc_close(struct abc_conn *c)
  {
    channel_close(&c->channel);
  }
  /*---------------------------------------------------------------------------*/
  int
  abc_send(struct abc_conn *c)
  {
    PRINTF("%d.%d: abc: abc_send on channel %d\n",
  	 rimeaddr_node_addr.u8[0],rimeaddr_node_addr.u8[1],
  	 c->channel.channelno);
    return rime_output(&c->channel);
  }
  /*---------------------------------------------------------------------------*/
  void
  abc_input(struct channel *channel)
  {
    struct abc_conn *c = (struct abc_conn *)channel;
    PRINTF("%d.%d: abc: abc_input_packet on channel %d\n",
  	 rimeaddr_node_addr.u8[0],rimeaddr_node_addr.u8[1],
  	 channel->channelno);
  
    if(c->u->recv) {
      c->u->recv(c);
    }
  }
  /*---------------------------------------------------------------------------*/
  void
  abc_sent(struct channel *channel, int status, int num_tx)
  {
    struct abc_conn *c = (struct abc_conn *)channel;
    PRINTF("%d.%d: abc: abc_sent on channel %d\n",
  	 rimeaddr_node_addr.u8[0],rimeaddr_node_addr.u8[1],
  	 channel->channelno);
  
    if(c->u->sent) {
      c->u->sent(c, status, num_tx);
    }
  }
  /*---------------------------------------------------------------------------*/
  
  /** @} */
  