Contiki 3.x
radio-sensor.c
1 /*
2  * Copyright (c) 2014, Eistec AB.
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 copyright holder 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 COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
18  * AND 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 COPYRIGHT HOLDER OR CONTRIBUTORS BE
21  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27  * POSSIBILITY OF SUCH DAMAGE.
28  *
29  * This file is part of the Mulle platform port of the Contiki operating system.
30  *
31  */
32 
33 #include "lib/sensors.h"
34 #include "radio/rf230bb/rf230bb.h"
35 #include "dev/radio-sensor.h"
36 
37 const struct sensors_sensor radio_sensor;
38 static int active;
39 
40 /*---------------------------------------------------------------------------*/
41 static int
42 value(int type)
43 {
44  switch(type) {
45  case RADIO_SENSOR_LAST_PACKET:
46  return rf230_last_correlation;
47  case RADIO_SENSOR_LAST_VALUE:
48  default:
49  return rf230_last_rssi;
50  }
51 }
52 /*---------------------------------------------------------------------------*/
53 static int
54 configure(int type, int c)
55 {
56  if(type == SENSORS_ACTIVE) {
57  active = c;
58  return 1;
59  }
60  return 0;
61 }
62 /*---------------------------------------------------------------------------*/
63 static int
64 status(int type)
65 {
66  switch(type) {
67  case SENSORS_ACTIVE:
68  case SENSORS_READY:
69  return active;
70  }
71  return 0;
72 }
73 /*---------------------------------------------------------------------------*/
74 SENSORS_SENSOR(radio_sensor, RADIO_SENSOR,
75  value, configure, status);