101 lines
2.9 KiB
C
101 lines
2.9 KiB
C
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/*
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* Copyright (c) , Harald Pichler.
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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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* @(#)$Id: servo-sensor.c,v 1.0 2013/02/20 19:34:06 nifi Exp $
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*/
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/**
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* \file
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* Servo sensor header file for Atmega128rfa1.
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* \author
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* Harald Pichler <harald@the-develop.net>
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*/
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#include "contiki.h"
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#include "dev/servo.h"
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#include "dev/servo-sensor.h"
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#define PRINTF(...) printf(__VA_ARGS__)
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const struct sensors_sensor servo_sensor;
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static int status(int type);
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static int enabled = 0;
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/*---------------------------------------------------------------------------*/
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static int
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value(int type)
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{
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switch(type) {
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case SERVO_SENSOR_A:
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return servo_get(0);;
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/* Total Solar Radiation. */
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case SERVO_SENSOR_B:
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return servo_get(1);
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}
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return 0;
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}
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/*---------------------------------------------------------------------------*/
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static int
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configure(int type, int c)
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{
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switch(type) {
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case SENSORS_ACTIVE:
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if(c) {
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if(!status(SENSORS_ACTIVE)) {
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servo_init();
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enabled = 1;
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}
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} else {
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servo_off();
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enabled = 1;
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}
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break;
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case SERVO_SENSOR_A:
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servo_set(0,c);
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break;
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case SERVO_SENSOR_B:
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servo_set(1,c);
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break;
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}
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return 0;
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}
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/*---------------------------------------------------------------------------*/
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static int
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status(int type)
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{
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switch(type) {
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case SENSORS_ACTIVE:
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case SENSORS_READY:
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return enabled;
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}
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return 0;
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}
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/*---------------------------------------------------------------------------*/
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SENSORS_SENSOR(servo_sensor, SERVO_SENSOR, value, configure, status);
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