76 lines
3.6 KiB
C
76 lines
3.6 KiB
C
/*
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* Copyright (c) 2015, Zolertia <http://www.zolertia.com>
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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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*/
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/**
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* Header file for the reed sensor
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*
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* The Reed sensor allows to be used either by polling the sensor status or by
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* setting up a timer on the background ticking every REED_CHECK_PERIOD, posting
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* a reed_sensor_event_changed event, informing the application about a change
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* in the sensor status (basically open or closed). To enable each mode
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* (default is polling) call the configure() function with REED_SENSOR_MODE
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* using REED_SENSOR_EVENT_MODE or REED_SENSOR_POLL_MODE, after having
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* initialized the device using SENSORS_ACTIVATE(reed_sensor).
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*
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* \file
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* Reed sensor header file
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* \author
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* Antonio Lignan <alinan@zolertia.com>
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*/
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#include "lib/sensors.h"
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#ifndef REED_SENSOR_H_
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#define REED_SENSOR_H_
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/* -------------------------------------------------------------------------- */
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#define REED_SENSOR_ERROR -1
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#define REED_SENSOR_SUCCESS 0x00
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#define REED_SENSOR_VAL 0x01
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/* -------------------------------------------------------------------------- */
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#define REED_OPEN 0x00
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#define REED_CLOSED 0x01
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/* -------------------------------------------------------------------------- */
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#define REED_SENSOR_MODE 0x01
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#define REED_SENSOR_EVENT_MODE 0x0A
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#define REED_SENSOR_EVENT_POLL 0x0B
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/* -------------------------------------------------------------------------- */
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#define REED_PORT_DIR P4DIR
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#define REED_PORT_SEL P4SEL
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#define REED_PORT_REN P4REN
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#define REED_PORT_READ P4IN
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#define REED_PORT_PRES P4OUT
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#define REED_READ_PIN (1 << 2)
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/* -------------------------------------------------------------------------- */
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#define REED_SENSOR "Reed Sensor"
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/* -------------------------------------------------------------------------- */
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extern const struct sensors_sensor reed_sensor;
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extern process_event_t reed_sensor_event_changed;
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/* -------------------------------------------------------------------------- */
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#endif /* ifndef REED_SENSOR_H_ */
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