119 lines
3.4 KiB
C
119 lines
3.4 KiB
C
/*
|
|
* Copyright (c) 2010 harald pichler
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
*
|
|
* * Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* * 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.
|
|
* * Neither the name of the copyright holders nor the names of
|
|
* 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 OWNER 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.
|
|
*/
|
|
/**
|
|
* \file
|
|
*
|
|
* \brief
|
|
* This file provides Raven KEY support.
|
|
*
|
|
* \author
|
|
* Harald Pichler harald@the-develop.net
|
|
*
|
|
*/
|
|
|
|
#include <avr/interrupt.h>
|
|
#include "dev/led.h"
|
|
#include "pcintkey.h"
|
|
|
|
/*---------------------------------------------------------------------------*/
|
|
|
|
ISR(PCINT0_vect)
|
|
{
|
|
// if(BUTTON_CHECK_IRQ()) {
|
|
// if(timer_expired(&debouncetimer)) {
|
|
// led1_on();
|
|
// timer_set(&debouncetimer, CLOCK_SECOND / 4);
|
|
// sensors_changed(&button_sensor);
|
|
// led1_off();
|
|
// }
|
|
// }
|
|
}
|
|
/**
|
|
* \brief This will intialize the KEY for button readings.
|
|
*/
|
|
void
|
|
key_init(void)
|
|
{
|
|
// Pairing Button
|
|
PORTB |= (1<<PORTB4); // Set port PORTE bint 4 with pullup resistor
|
|
DDRB |= (1<<DDB4); // Set pin as input
|
|
// ext1
|
|
PORTB |= (1<<PORTB5); // Set port PORTE bint 5 with pullup resistor
|
|
DDRB |= (1<<DDB5); // Set pin as input
|
|
// ext2
|
|
PORTB |= (1<<PORTB6); // Set port PORTE bint 6 with pullup resistor
|
|
DDRB |= (1<<DDB6); // Set pin as input
|
|
// Interrupt
|
|
//PCICR |= _BV(PCIE0);
|
|
//PCMSK0 |= _BV(PCINT4) | _BV(PCINT5) | _BV(PCINT6);
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------*/
|
|
|
|
/**
|
|
* \brief This will poll run key_task() to determine if a button has been pressed.
|
|
*
|
|
* \retval True if button is pressed
|
|
* \retval False if button is not pressed
|
|
*/
|
|
uint8_t
|
|
is_button_ext4(void)
|
|
{
|
|
/* Return true if button has been pressed. */
|
|
if ( PINB & (1<<PINB4) ) {
|
|
return 0;
|
|
}
|
|
else{
|
|
return 1;
|
|
}
|
|
}
|
|
uint8_t
|
|
is_button_ext5(void)
|
|
{
|
|
/* Return true if button has been pressed. */
|
|
if ( PINB & (1<<PINB5) ) {
|
|
return 0;
|
|
}
|
|
else{
|
|
return 1;
|
|
}
|
|
}
|
|
uint8_t
|
|
is_button_ext6(void)
|
|
{
|
|
/* Return true if button has been pressed. */
|
|
if ( PINB & (1<<PINB6) ) {
|
|
return 0;
|
|
}
|
|
else{
|
|
return 1;
|
|
}
|
|
}
|