Contiki 3.x
nullmac.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  */
32 
33 /**
34  * \file
35  * A MAC protocol that does not do anything.
36  * \author
37  * Adam Dunkels <adam@sics.se>
38  */
39 
40 #include "net/mac/nullmac.h"
41 #include "net/netstack.h"
42 #include "net/ip/uip.h"
43 #include "net/ip/tcpip.h"
44 #include "net/packetbuf.h"
45 #include "net/netstack.h"
46 
47 /*---------------------------------------------------------------------------*/
48 static void
49 send_packet(mac_callback_t sent, void *ptr)
50 {
51  NETSTACK_RDC.send(sent, ptr);
52 }
53 /*---------------------------------------------------------------------------*/
54 static void
55 packet_input(void)
56 {
57  NETSTACK_LLSEC.input();
58 }
59 /*---------------------------------------------------------------------------*/
60 static int
61 on(void)
62 {
63  return NETSTACK_RDC.on();
64 }
65 /*---------------------------------------------------------------------------*/
66 static int
67 off(int keep_radio_on)
68 {
69  return NETSTACK_RDC.off(keep_radio_on);
70 }
71 /*---------------------------------------------------------------------------*/
72 static unsigned short
73 channel_check_interval(void)
74 {
75  return 0;
76 }
77 /*---------------------------------------------------------------------------*/
78 static void
79 init(void)
80 {
81 }
82 /*---------------------------------------------------------------------------*/
83 const struct mac_driver nullmac_driver = {
84  "nullmac",
85  init,
86  send_packet,
87  packet_input,
88  on,
89  off,
91 };
92 /*---------------------------------------------------------------------------*/
Header file for the uIP TCP/IP stack.
Header for the Contiki/uIP interface.
unsigned short(* channel_check_interval)(void)
Returns the channel check interval, expressed in clock_time_t ticks.
Definition: mac.h:73
Header file for the Rime buffer (packetbuf) management
int(* off)(int keep_radio_on)
Turn the MAC layer off.
Definition: mac.h:70
int(* on)(void)
Turn the MAC layer on.
Definition: mac.h:67
void(* init)(void)
Initialize the MAC driver.
Definition: mac.h:58
The structure of a MAC protocol driver in Contiki.
Definition: mac.h:54
A MAC protocol implementation that does not do anything.
Include file for the Contiki low-layer network stack (NETSTACK)