87 lines
2.1 KiB
C
87 lines
2.1 KiB
C
/* -*- mode: jde; c-basic-offset: 2; indent-tabs-mode: nil -*- */
|
|
|
|
/*
|
|
Part of the Wiring project - http://wiring.uniandes.edu.co
|
|
|
|
Copyright (c) 2004-05 Hernando Barragan
|
|
|
|
This library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
This library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General
|
|
Public License along with this library; if not, write to the
|
|
Free Software Foundation, Inc., 59 Temple Place, Suite 330,
|
|
Boston, MA 02111-1307 USA
|
|
|
|
Modified 24 November 2006 by David A. Mellis
|
|
*/
|
|
|
|
#include <inttypes.h>
|
|
#include <avr/io.h>
|
|
#include <avr/interrupt.h>
|
|
#include <avr/pgmspace.h>
|
|
#include <stdio.h>
|
|
|
|
#include "WConstants.h"
|
|
#include "wiring_private.h"
|
|
|
|
volatile static voidFuncPtr intFunc[EXTERNAL_NUM_INTERRUPTS];
|
|
// volatile static voidFuncPtr twiIntFunc;
|
|
|
|
void attachInterrupt(uint8_t interruptNum, void (*userFunc)(void), int mode)
|
|
{
|
|
if(interruptNum < EXTERNAL_NUM_INTERRUPTS)
|
|
{
|
|
intFunc[interruptNum] = userFunc;
|
|
|
|
//clear the config for the change settings
|
|
EICRA &= ~(B00000011 << (interruptNum * 2));
|
|
|
|
//set our mode.
|
|
EICRA |= (mode << (interruptNum * 2));
|
|
|
|
// Enable the interrupt.
|
|
EIMSK |= (1 << interruptNum);
|
|
}
|
|
}
|
|
|
|
void detachInterrupt(uint8_t interruptNum)
|
|
{
|
|
if(interruptNum < EXTERNAL_NUM_INTERRUPTS)
|
|
{
|
|
// Disable the interrupt.
|
|
EIMSK &= ~(1 << interruptNum);
|
|
|
|
intFunc[interruptNum] = 0;
|
|
}
|
|
}
|
|
|
|
ISR(INT0_vect) {
|
|
if(intFunc[EXTERNAL_INT_0])
|
|
intFunc[EXTERNAL_INT_0]();
|
|
}
|
|
|
|
ISR(INT1_vect) {
|
|
if(intFunc[EXTERNAL_INT_1])
|
|
intFunc[EXTERNAL_INT_1]();
|
|
}
|
|
|
|
ISR(INT2_vect) {
|
|
if(intFunc[EXTERNAL_INT_2])
|
|
intFunc[EXTERNAL_INT_2]();
|
|
}
|
|
|
|
/*
|
|
SIGNAL(SIG_2WIRE_SERIAL) {
|
|
if(twiIntFunc)
|
|
twiIntFunc();
|
|
}
|
|
*/
|
|
|