Contiki-NG
csma.h
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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  * The 802.15.4 standard CSMA protocol (nonbeacon-enabled)
36  * \author
37  * Adam Dunkels <adam@sics.se>
38  * Simon Duquennoy <simon.duquennoy@inria.fr>
39  */
40 
41 #ifndef CSMA_H_
42 #define CSMA_H_
43 
44 #include "contiki.h"
45 #include "net/mac/mac.h"
46 #include "dev/radio.h"
47 
48 #ifdef CSMA_CONF_SEND_SOFT_ACK
49 #define CSMA_SEND_SOFT_ACK CSMA_CONF_SEND_SOFT_ACK
50 #else /* CSMA_CONF_SEND_SOFT_ACK */
51 #define CSMA_SEND_SOFT_ACK 0
52 #endif /* CSMA_CONF_SEND_SOFT_ACK */
53 
54 #ifdef CSMA_CONF_ACK_WAIT_TIME
55 #define CSMA_ACK_WAIT_TIME CSMA_CONF_ACK_WAIT_TIME
56 #else /* CSMA_CONF_ACK_WAIT_TIME */
57 #define CSMA_ACK_WAIT_TIME RTIMER_SECOND / 2500
58 #endif /* CSMA_CONF_ACK_WAIT_TIME */
59 
60 #ifdef CSMA_CONF_AFTER_ACK_DETECTED_WAIT_TIME
61 #define CSMA_AFTER_ACK_DETECTED_WAIT_TIME CSMA_CONF_AFTER_ACK_DETECTED_WAIT_TIME
62 #else /* CSMA_CONF_AFTER_ACK_DETECTED_WAIT_TIME */
63 #define CSMA_AFTER_ACK_DETECTED_WAIT_TIME RTIMER_SECOND / 1500
64 #endif /* CSMA_CONF_AFTER_ACK_DETECTED_WAIT_TIME */
65 
66 #define CSMA_ACK_LEN 3
67 
68 extern const struct mac_driver csma_driver;
69 
70 #endif /* CSMA_H_ */
The structure of a MAC protocol driver in Contiki.
Definition: mac.h:62
Header file for the radio API
MAC driver header file