74 lines
2.9 KiB
C
74 lines
2.9 KiB
C
/*
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* Copyright (c) 2009, Swedish Institute of Computer Science
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of the Contiki operating system.
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*
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* @(#)$Id: sensors.h,v 1.8 2010/01/14 20:13:34 adamdunkels Exp $
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*/
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#ifndef __SENSORS_H__
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#define __SENSORS_H__
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#include "contiki.h"
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/* some constants for the configure API */
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#define SENSORS_HW_INIT 128 /* internal - used only for initialization */
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#define SENSORS_ACTIVE 129 /* ACTIVE => 0 -> turn off, 1 -> turn on */
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#define SENSORS_READY 130 /* read only */
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#define SENSORS_ACTIVATE(sensor) (sensor).configure(SENSORS_ACTIVE, 1)
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#define SENSORS_DEACTIVATE(sensor) (sensor).configure(SENSORS_ACTIVE, 0)
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#define SENSORS_SENSOR(name, type, value, configure, status) \
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const struct sensors_sensor name = { type, value, configure, status }
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#define SENSORS_NUM (sizeof(sensors) / sizeof(struct sensors_sensor *))
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#define SENSORS(...) \
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const struct sensors_sensor *sensors[] = {__VA_ARGS__, NULL}; \
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unsigned char sensors_flags[SENSORS_NUM];
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struct sensors_sensor {
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char * type;
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int (* value) (int type);
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int (* configure) (int type, int value);
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int (* status) (int type);
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};
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struct sensors_sensor *sensors_find(const char *type);
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struct sensors_sensor *sensors_next(const struct sensors_sensor *s);
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struct sensors_sensor *sensors_first(void);
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void sensors_changed(const struct sensors_sensor *s);
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extern process_event_t sensors_event;
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PROCESS_NAME(sensors_process);
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#endif /* __SENSORS_H__ */
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