129 lines
4.8 KiB
C
129 lines
4.8 KiB
C
/*
|
|
* Copyright (c) 2015, Zolertia <http://www.zolertia.com>
|
|
* 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 Institute 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 INSTITUTE 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 INSTITUTE 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.
|
|
*
|
|
* This file is part of the Contiki operating system.
|
|
*
|
|
*/
|
|
/*---------------------------------------------------------------------------*/
|
|
/**
|
|
* \addtogroup zoul-motion-sensor
|
|
* @{
|
|
*
|
|
* \file
|
|
* Digital motion sensor driver
|
|
* \author
|
|
* Antonio Lignan <alinan@zolertia.com>
|
|
*/
|
|
/*---------------------------------------------------------------------------*/
|
|
#include <stdio.h>
|
|
#include "contiki.h"
|
|
#include "dev/i2c.h"
|
|
#include "dev/motion-sensor.h"
|
|
#include "lib/sensors.h"
|
|
#include "dev/sys-ctrl.h"
|
|
#include "dev/gpio.h"
|
|
#include "dev/ioc.h"
|
|
/*---------------------------------------------------------------------------*/
|
|
#define DEBUG 0
|
|
#if DEBUG
|
|
#define PRINTF(...) printf(__VA_ARGS__)
|
|
#else
|
|
#define PRINTF(...)
|
|
#endif
|
|
/*---------------------------------------------------------------------------*/
|
|
#define MOTION_SENSOR_PORT_BASE GPIO_PORT_TO_BASE(MOTION_SENSOR_PORT)
|
|
#define MOTION_SENSOR_PIN_MASK GPIO_PIN_MASK(MOTION_SENSOR_PIN)
|
|
/*---------------------------------------------------------------------------*/
|
|
void (*presence_int_callback)(uint8_t value);
|
|
/*---------------------------------------------------------------------------*/
|
|
PROCESS(motion_int_process, "Motion interrupt process handler");
|
|
/*---------------------------------------------------------------------------*/
|
|
PROCESS_THREAD(motion_int_process, ev, data)
|
|
{
|
|
PROCESS_EXITHANDLER();
|
|
PROCESS_BEGIN();
|
|
|
|
while(1) {
|
|
PROCESS_YIELD_UNTIL(ev == PROCESS_EVENT_POLL);
|
|
presence_int_callback(0);
|
|
}
|
|
PROCESS_END();
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static void
|
|
motion_interrupt_handler(uint8_t port, uint8_t pin)
|
|
{
|
|
process_poll(&motion_int_process);
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static int
|
|
status(int type)
|
|
{
|
|
return MOTION_SUCCESS;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static int
|
|
value(int type)
|
|
{
|
|
return GPIO_READ_PIN(MOTION_SENSOR_PORT_BASE, MOTION_SENSOR_PIN_MASK);
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static int
|
|
configure(int type, int value)
|
|
{
|
|
if(type != MOTION_ACTIVE) {
|
|
PRINTF("Motion: invalid configuration option\n");
|
|
return MOTION_ERROR;
|
|
}
|
|
|
|
if(!value) {
|
|
presence_int_callback = NULL;
|
|
GPIO_DISABLE_INTERRUPT(MOTION_SENSOR_PORT_BASE, MOTION_SENSOR_PIN_MASK);
|
|
return MOTION_SUCCESS;
|
|
}
|
|
|
|
/* Configure interruption */
|
|
GPIO_SOFTWARE_CONTROL(MOTION_SENSOR_PORT_BASE, MOTION_SENSOR_PIN_MASK);
|
|
GPIO_SET_INPUT(MOTION_SENSOR_PORT_BASE, MOTION_SENSOR_PIN_MASK);
|
|
GPIO_DETECT_RISING(MOTION_SENSOR_PORT_BASE, MOTION_SENSOR_PIN_MASK);
|
|
GPIO_TRIGGER_SINGLE_EDGE(MOTION_SENSOR_PORT_BASE, MOTION_SENSOR_PIN_MASK);
|
|
ioc_set_over(MOTION_SENSOR_PORT, MOTION_SENSOR_PIN, IOC_OVERRIDE_DIS);
|
|
gpio_register_callback(motion_interrupt_handler, MOTION_SENSOR_PORT,
|
|
MOTION_SENSOR_PIN);
|
|
|
|
process_start(&motion_int_process, NULL);
|
|
|
|
GPIO_ENABLE_INTERRUPT(MOTION_SENSOR_PORT_BASE, MOTION_SENSOR_PIN_MASK);
|
|
nvic_interrupt_enable(MOTION_SENSOR_VECTOR);
|
|
return MOTION_SUCCESS;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
SENSORS_SENSOR(motion_sensor, MOTION_SENSOR, value, configure, status);
|
|
/*---------------------------------------------------------------------------*/
|
|
/** @} */
|