mirror of
https://github.com/oliverschmidt/contiki.git
synced 2024-12-23 01:29:33 +00:00
150 lines
4.0 KiB
C
150 lines
4.0 KiB
C
/**
|
|
* \addtogroup mbxxx-platform
|
|
*
|
|
* @{
|
|
*/
|
|
/*
|
|
* Copyright (c) 2010, STMicroelectronics.
|
|
* 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. The name of the author may not be used to endorse or promote
|
|
* products derived from this software without specific prior
|
|
* written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 OS
|
|
*
|
|
*/
|
|
/*---------------------------------------------------------------------------*/
|
|
/**
|
|
* \file
|
|
* Contact sensor.
|
|
* \author
|
|
* Stefano Pascali <stefano.pascali@st.com>
|
|
* Marco Grella <marco.grella@st.com>
|
|
*/
|
|
/*---------------------------------------------------------------------------*/
|
|
|
|
#include PLATFORM_HEADER
|
|
#include BOARD_HEADER
|
|
|
|
#include "hal/error.h"
|
|
#include "hal/hal.h"
|
|
#include "dev/leds.h"
|
|
|
|
#include "dev/contact-sensor.h"
|
|
void halIrqAIsr(void);
|
|
|
|
static void
|
|
init(void)
|
|
{
|
|
|
|
//PC0 configuration: push-pull output
|
|
halGpioConfig(PORTC_PIN(0), GPIOCFG_OUT);
|
|
GPIO_PCSET |= PC0;
|
|
|
|
//PB0 (IRQA)configuration: input Pull Down.
|
|
//halGpioConfig(PORTB_PIN(0), GPIOCFG_IN_PUD);
|
|
//GPIO_PBOUT &= ~PB0;
|
|
|
|
//PB0 (IRQA)configuration: input Pull Down.
|
|
halGpioConfig(PORTB_PIN(0), GPIOCFG_IN);
|
|
|
|
//configure IRQA mode: Rising and Falling edge triggered, digital filter enabled
|
|
// GPIO_INTCFGA =0x00000160;
|
|
|
|
GPIO_INTCFGA = GPIO_INTCFGA_RESET;
|
|
GPIO_INTCFGA|=GPIO_INTFILT;
|
|
GPIO_INTCFGA|=(0x03 <<GPIO_INTMOD_BIT);
|
|
|
|
halIrqAIsr();
|
|
//Enable IRQA interrupt
|
|
INT_CFGSET = INT_IRQA;
|
|
|
|
|
|
// printf("\r\n[Contact Sensor] Initialization Done\r\n");
|
|
|
|
}/* end switch_init */
|
|
|
|
|
|
/* :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: */
|
|
/* :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: */
|
|
void halIrqAIsr(void)
|
|
{
|
|
//Clear Interrupt Pending Bit
|
|
|
|
INT_GPIOFLAG = INT_IRQAFLAG;
|
|
|
|
if ((GPIO_PBIN & (1)) == 0){
|
|
leds_on(LEDS_RED);
|
|
leds_off(LEDS_GREEN);
|
|
}else{
|
|
leds_on(LEDS_GREEN);
|
|
leds_off(LEDS_RED);
|
|
// switch_closed=TRUE;
|
|
}
|
|
}
|
|
|
|
|
|
/*---------------------------------------------------------------------------*/
|
|
static int
|
|
value(int type)
|
|
{
|
|
//printf("[Contact Sensor] Value=%d\r\n", GPIO_PBIN & (1));
|
|
return (GPIO_PBIN & (1));
|
|
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static int
|
|
configure(int type, int value)
|
|
{
|
|
switch(type){
|
|
case SENSORS_HW_INIT:
|
|
init();
|
|
return 1;
|
|
case SENSORS_ACTIVE:
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static int
|
|
status(int type)
|
|
{
|
|
switch(type) {
|
|
|
|
case SENSORS_READY:
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
SENSORS_SENSOR(contact_sensor, CONTACT_SENSOR,
|
|
value, configure, status);
|
|
|
|
|
|
|
|
/** @} */
|