Contiki 2.5
nullrdc-noframer.c
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1 /*
2  * Copyright (c) 2007, Swedish Institute of Computer Science.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  * notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  * notice, this list of conditions and the following disclaimer in the
12  * documentation and/or other materials provided with the distribution.
13  * 3. Neither the name of the Institute nor the names of its contributors
14  * may be used to endorse or promote products derived from this software
15  * without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  *
29  * This file is part of the Contiki operating system.
30  *
31  * $Id: nullrdc-noframer.c,v 1.1 2010/11/23 18:11:00 nifi Exp $
32  */
33 
34 /**
35  * \file
36  * A MAC protocol that does not do anything.
37  * \author
38  * Adam Dunkels <adam@sics.se>
39  */
40 
41 #include "net/mac/nullrdc-noframer.h"
42 #include "net/packetbuf.h"
43 #include "net/netstack.h"
44 
45 /*---------------------------------------------------------------------------*/
46 static void
47 send_packet(mac_callback_t sent, void *ptr)
48 {
49  int ret;
50  if(NETSTACK_RADIO.send(packetbuf_hdrptr(), packetbuf_totlen()) == RADIO_TX_OK) {
51  ret = MAC_TX_OK;
52  } else {
53  ret = MAC_TX_ERR;
54  }
55  mac_call_sent_callback(sent, ptr, ret, 1);
56 }
57 /*---------------------------------------------------------------------------*/
58 static void
59 packet_input(void)
60 {
61  NETSTACK_MAC.input();
62 }
63 /*---------------------------------------------------------------------------*/
64 static int
65 on(void)
66 {
67  return NETSTACK_RADIO.on();
68 }
69 /*---------------------------------------------------------------------------*/
70 static int
71 off(int keep_radio_on)
72 {
73  if(keep_radio_on) {
74  return NETSTACK_RADIO.on();
75  } else {
76  return NETSTACK_RADIO.off();
77  }
78 }
79 /*---------------------------------------------------------------------------*/
80 static unsigned short
81 channel_check_interval(void)
82 {
83  return 0;
84 }
85 /*---------------------------------------------------------------------------*/
86 static void
87 init(void)
88 {
89  on();
90 }
91 /*---------------------------------------------------------------------------*/
92 const struct rdc_driver nullrdc_noframer_driver = {
93  "nullrdc-noframer",
94  init,
95  send_packet,
96  packet_input,
97  on,
98  off,
99  channel_check_interval,
100 };
101 /*---------------------------------------------------------------------------*/
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