osd-contiki/platform/eval-adf7xxxmb4z/button-sensor.c

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/*
* Copyright (c) 2014, Analog Devices, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
* \author Ian Martin <martini@redwirellc.com>
*/
#include "lib/sensors.h"
#include "dev/button-sensor.h"
#include <signal.h>
#define JOYSTICK_PUSH (!(P5 & BIT(5)))
#define JOYSTICK_RIGHT (!(P5 & BIT(4)))
#define JOYSTICK_DOWN (!(P5 & BIT(3)))
#define JOYSTICK_LEFT (!(P5 & BIT(2)))
#define JOYSTICK_UP (!(P5 & BIT(1)))
const struct sensors_sensor button_sensor;
static int
value(int type)
{
return JOYSTICK_PUSH;
}
static int
configure(int type, int c)
{
switch(type) {
case SENSORS_ACTIVE:
/* TODO */
return 1;
}
return 0;
}
static int
status(int type)
{
switch(type) {
case SENSORS_ACTIVE:
case SENSORS_READY:
return 0; /* TODO */
}
return 0;
}
SENSORS_SENSOR(button_sensor, BUTTON_SENSOR,
value, configure, status);