Contiki 2.6
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00001 /* 00002 * Copyright (c) 2009, Swedish Institute of Computer Science 00003 * All rights reserved. 00004 * 00005 * Redistribution and use in source and binary forms, with or without 00006 * modification, are permitted provided that the following conditions 00007 * are met: 00008 * 1. Redistributions of source code must retain the above copyright 00009 * notice, this list of conditions and the following disclaimer. 00010 * 2. Redistributions in binary form must reproduce the above copyright 00011 * notice, this list of conditions and the following disclaimer in the 00012 * documentation and/or other materials provided with the distribution. 00013 * 3. Neither the name of the Institute nor the names of its contributors 00014 * may be used to endorse or promote products derived from this software 00015 * without specific prior written permission. 00016 * 00017 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 00018 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00019 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00020 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 00021 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 00022 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 00023 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 00024 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 00025 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 00026 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 00027 * SUCH DAMAGE. 00028 * 00029 * This file is part of the Contiki operating system. 00030 * 00031 * @(#)$Id: sensors.h,v 1.9 2010/02/23 18:27:04 adamdunkels Exp $ 00032 */ 00033 00034 #ifndef __SENSORS_H__ 00035 #define __SENSORS_H__ 00036 00037 #include "contiki.h" 00038 00039 /* some constants for the configure API */ 00040 #define SENSORS_HW_INIT 128 /* internal - used only for initialization */ 00041 #define SENSORS_ACTIVE 129 /* ACTIVE => 0 -> turn off, 1 -> turn on */ 00042 #define SENSORS_READY 130 /* read only */ 00043 00044 #define SENSORS_ACTIVATE(sensor) (sensor).configure(SENSORS_ACTIVE, 1) 00045 #define SENSORS_DEACTIVATE(sensor) (sensor).configure(SENSORS_ACTIVE, 0) 00046 00047 #define SENSORS_SENSOR(name, type, value, configure, status) \ 00048 const struct sensors_sensor name = { type, value, configure, status } 00049 00050 #define SENSORS_NUM (sizeof(sensors) / sizeof(struct sensors_sensor *)) 00051 00052 #define SENSORS(...) \ 00053 const struct sensors_sensor *sensors[] = {__VA_ARGS__, NULL}; \ 00054 unsigned char sensors_flags[SENSORS_NUM] 00055 00056 struct sensors_sensor { 00057 char * type; 00058 int (* value) (int type); 00059 int (* configure) (int type, int value); 00060 int (* status) (int type); 00061 }; 00062 00063 const struct sensors_sensor *sensors_find(const char *type); 00064 const struct sensors_sensor *sensors_next(const struct sensors_sensor *s); 00065 const struct sensors_sensor *sensors_first(void); 00066 00067 void sensors_changed(const struct sensors_sensor *s); 00068 00069 extern process_event_t sensors_event; 00070 00071 PROCESS_NAME(sensors_process); 00072 00073 #endif /* __SENSORS_H__ */