vt100: include pgmspace.h as we use PROGMEM macro
[aversive.git] / modules / devices / radio / xbee / xbee_neighbor.c
1 /*
2  * Copyright (c) 2011, Olivier MATZ <zer0@droids-corp.org>
3  * All rights reserved.
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions are met:
6  *
7  *     * Redistributions of source code must retain the above copyright
8  *       notice, this list of conditions and the following disclaimer.
9  *     * Redistributions in binary form must reproduce the above copyright
10  *       notice, this list of conditions and the following disclaimer in the
11  *       documentation and/or other materials provided with the distribution.
12  *     * Neither the name of the University of California, Berkeley nor the
13  *       names of its contributors may be used to endorse or promote products
14  *       derived from this software without specific prior written permission.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY
17  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19  * DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
20  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26  */
27
28 #include <aversive.h>
29 #include <aversive/queue.h>
30 #include <aversive/pgmspace.h>
31
32 #include <string.h>
33 #include <stdint.h>
34 #include <stdlib.h>
35 #include <stdio.h>
36
37 #include "xbee_neighbor.h"
38 #include "xbee_atcmd.h"
39 #include "xbee_stats.h"
40 #include "xbee_rxtx.h"
41 #include "xbee.h"
42
43 void xbee_neigh_init(struct xbee_dev *dev)
44 {
45         LIST_INIT(&dev->neigh_list);
46 }
47
48 struct xbee_neigh *xbee_neigh_lookup(struct xbee_dev *dev, const char *name)
49 {
50         struct xbee_neigh *neigh;
51
52         LIST_FOREACH(neigh, &dev->neigh_list, next) {
53                 if (!strcmp(name, neigh->name))
54                         break;
55         }
56
57         return neigh;
58 }
59
60 struct xbee_neigh *xbee_neigh_rlookup(struct xbee_dev *dev, uint64_t addr)
61 {
62         struct xbee_neigh *neigh;
63
64         LIST_FOREACH(neigh, &dev->neigh_list, next) {
65                 if (addr == neigh->addr)
66                         break;
67         }
68
69         return neigh;
70 }
71
72 struct xbee_neigh *xbee_neigh_add(struct xbee_dev *dev, const char *name,
73                                   uint64_t addr)
74 {
75         struct xbee_neigh *neigh;
76
77         if (xbee_neigh_rlookup(dev, addr) != NULL)
78                 return NULL;
79
80         if (xbee_neigh_lookup(dev, name) != NULL)
81                 return NULL;
82
83         neigh = malloc(sizeof(*neigh));
84         if (neigh == NULL)
85                 return NULL;
86
87         neigh->addr = addr;
88         snprintf_P(neigh->name, sizeof(neigh->name), PSTR("%s"), name);
89         LIST_INSERT_HEAD(&dev->neigh_list, neigh, next);
90
91         return neigh;
92 }
93
94 void xbee_neigh_del(struct xbee_dev *dev, struct xbee_neigh *neigh)
95 {
96         dev = dev; /* silent compiler */
97         LIST_REMOVE(neigh, next);
98         free(neigh);
99 }