mirror of
https://github.com/oliverschmidt/contiki.git
synced 2024-08-15 00:29:02 +00:00
738c5dcd4b
MBXXX is a fake platform that actually include all the platforms based on STM32W108 microcontroller. Detection of the board is made at runtime, at the expense of code size.
201 lines
5.0 KiB
C
201 lines
5.0 KiB
C
/*
|
|
* 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
|
|
*
|
|
* $Id: button-sensor.c,v 1.1 2010/10/25 09:03:39 salvopitru Exp $
|
|
*/
|
|
/*---------------------------------------------------------------------------*/
|
|
/**
|
|
* \file
|
|
* Button sensor.
|
|
* \author
|
|
* Salvatore Pitrulli <salvopitru@users.sourceforge.net>
|
|
*/
|
|
/*---------------------------------------------------------------------------*/
|
|
|
|
#include "dev/button-sensor.h"
|
|
#include "hal.h"
|
|
#include "hal/micro/micro-common.h"
|
|
#include "hal/micro/cortexm3/micro-common.h"
|
|
|
|
#include BOARD_HEADER
|
|
|
|
#define DEBOUNCE 1
|
|
|
|
#if DEBOUNCE
|
|
static struct timer debouncetimer;
|
|
#endif
|
|
|
|
#define FALSE 0
|
|
#define TRUE 1
|
|
|
|
uint8_t button_flags = 0;
|
|
|
|
#define BUTTON_ACTIVE_FLG 0x01
|
|
#define BUTTON_PRESSED_FLG 0x02
|
|
|
|
#define BUTTON_HAS_BEEN_PRESSED() (button_flags & BUTTON_PRESSED_FLG)
|
|
#define BUTTON_HAS_BEEN_RELEASED() (!(button_flags & BUTTON_PRESSED_FLG))
|
|
#define BUTTON_SET_PRESSED() (button_flags |= BUTTON_PRESSED_FLG)
|
|
#define BUTTON_SET_RELEASED() (button_flags &= ~BUTTON_PRESSED_FLG)
|
|
|
|
/*---------------------------------------------------------------------------*/
|
|
static void
|
|
init(void)
|
|
{
|
|
#if DEBOUNCE
|
|
timer_set(&debouncetimer, 0);
|
|
#endif
|
|
|
|
/* Configure GPIO for BUTTONSs */
|
|
halInitButton();
|
|
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static void
|
|
activate(void)
|
|
{
|
|
button_flags |= BUTTON_ACTIVE_FLG;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static void
|
|
deactivate(void)
|
|
{
|
|
button_flags &= ~BUTTON_ACTIVE_FLG;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static int
|
|
active(void)
|
|
{
|
|
return (button_flags & BUTTON_ACTIVE_FLG)? 1 : 0;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static int
|
|
value(int type)
|
|
{
|
|
if(!active()){
|
|
return 0;
|
|
}
|
|
|
|
|
|
#if DEBOUNCE
|
|
if(timer_expired(&debouncetimer)) {
|
|
|
|
if(halGetButtonStatus(BUTTON_S1) == BUTTON_PRESSED){
|
|
|
|
timer_set(&debouncetimer, CLOCK_SECOND / 10);
|
|
if(BUTTON_HAS_BEEN_RELEASED()){ // Button has been previously released.
|
|
sensors_changed(&button_sensor);
|
|
}
|
|
BUTTON_SET_PRESSED();
|
|
|
|
return 1;
|
|
}
|
|
else {
|
|
BUTTON_SET_RELEASED();
|
|
return 0;
|
|
}
|
|
}
|
|
else {
|
|
return 0;
|
|
}
|
|
#else
|
|
if(halGetButtonStatus(BUTTON_S1) == BUTTON_PRESSED){
|
|
sensors_changed(&button_sensor);
|
|
return 1;
|
|
}
|
|
else {
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static int
|
|
configure(int type, int value)
|
|
{
|
|
switch(type){
|
|
case SENSORS_HW_INIT:
|
|
init();
|
|
return 1;
|
|
case SENSORS_ACTIVE:
|
|
if(value)
|
|
activate();
|
|
else
|
|
deactivate();
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static int
|
|
status(int type)
|
|
{
|
|
switch(type) {
|
|
|
|
case SENSORS_READY:
|
|
return active();
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
#if 0
|
|
void BUTTON_S1_ISR(void)
|
|
{
|
|
|
|
ENERGEST_ON(ENERGEST_TYPE_IRQ);
|
|
|
|
//sensors_handle_irq(IRQ_BUTTON);
|
|
|
|
if(INT_GPIOFLAG & BUTTON_S1_FLAG_BIT) {
|
|
|
|
#if DEBOUNCE
|
|
if(timer_expired(&debouncetimer)) {
|
|
timer_set(&debouncetimer, CLOCK_SECOND / 5);
|
|
sensors_changed(&button_sensor);
|
|
}
|
|
#else
|
|
sensors_changed(&button_sensor);
|
|
#endif
|
|
|
|
}
|
|
|
|
INT_GPIOFLAG = BUTTON_S1_FLAG_BIT;
|
|
|
|
ENERGEST_OFF(ENERGEST_TYPE_IRQ);
|
|
}
|
|
#endif
|
|
/*---------------------------------------------------------------------------*/
|
|
SENSORS_SENSOR(button_sensor, BUTTON_SENSOR,
|
|
value, configure, status);
|
|
|