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Diffstat (limited to 'core/WInterrupts.c')
| -rwxr-xr-x | core/WInterrupts.c | 215 |
1 files changed, 0 insertions, 215 deletions
diff --git a/core/WInterrupts.c b/core/WInterrupts.c deleted file mode 100755 index 69a78b0..0000000 --- a/core/WInterrupts.c +++ /dev/null @@ -1,215 +0,0 @@ -/* -*- 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; - -#if defined(__AVR_ATmega8__) -#define EICRA MCUCR -#define EIMSK GICR -#endif - -void attachInterrupt(uint8_t interruptNum, void (*userFunc)(void), int mode) { - if(interruptNum < EXTERNAL_NUM_INTERRUPTS) { - intFunc[interruptNum] = userFunc; - - // Configure the interrupt mode (trigger on low input, any change, rising - // edge, or falling edge). The mode constants were chosen to correspond - // to the configuration bits in the hardware register, so we simply shift - // the mode into place. - - // Enable the interrupt. - - switch (interruptNum) { -#if defined(__AVR_ATmega1280__) - case 2: - EICRA = (EICRA & ~((1 << ISC00) | (1 << ISC01))) | (mode << ISC00); - EIMSK |= (1 << INT0); - break; - case 3: - EICRA = (EICRA & ~((1 << ISC10) | (1 << ISC11))) | (mode << ISC10); - EIMSK |= (1 << INT1); - break; - case 4: - EICRA = (EICRA & ~((1 << ISC20) | (1 << ISC21))) | (mode << ISC20); - EIMSK |= (1 << INT2); - break; - case 5: - EICRA = (EICRA & ~((1 << ISC30) | (1 << ISC31))) | (mode << ISC30); - EIMSK |= (1 << INT3); - break; - case 0: - EICRB = (EICRB & ~((1 << ISC40) | (1 << ISC41))) | (mode << ISC40); - EIMSK |= (1 << INT4); - break; - case 1: - EICRB = (EICRB & ~((1 << ISC50) | (1 << ISC51))) | (mode << ISC50); - EIMSK |= (1 << INT5); - break; - case 6: - EICRB = (EICRB & ~((1 << ISC60) | (1 << ISC61))) | (mode << ISC60); - EIMSK |= (1 << INT6); - break; - case 7: - EICRB = (EICRB & ~((1 << ISC70) | (1 << ISC71))) | (mode << ISC70); - EIMSK |= (1 << INT7); - break; -#else - case 0: - EICRA = (EICRA & ~((1 << ISC00) | (1 << ISC01))) | (mode << ISC00); - EIMSK |= (1 << INT0); - break; - case 1: - EICRA = (EICRA & ~((1 << ISC10) | (1 << ISC11))) | (mode << ISC10); - EIMSK |= (1 << INT1); - break; -#endif - } - } -} - -void detachInterrupt(uint8_t interruptNum) { - if(interruptNum < EXTERNAL_NUM_INTERRUPTS) { - // Disable the interrupt. (We can't assume that interruptNum is equal - // to the number of the EIMSK bit to clear, as this isn't true on the - // ATmega8. There, INT0 is 6 and INT1 is 7.) - switch (interruptNum) { -#if defined(__AVR_ATmega1280__) - case 2: - EIMSK &= ~(1 << INT0); - break; - case 3: - EIMSK &= ~(1 << INT1); - break; - case 4: - EIMSK &= ~(1 << INT2); - break; - case 5: - EIMSK &= ~(1 << INT3); - break; - case 0: - EIMSK &= ~(1 << INT4); - break; - case 1: - EIMSK &= ~(1 << INT5); - break; - case 6: - EIMSK &= ~(1 << INT6); - break; - case 7: - EIMSK &= ~(1 << INT7); - break; -#else - case 0: - EIMSK &= ~(1 << INT0); - break; - case 1: - EIMSK &= ~(1 << INT1); - break; -#endif - } - - intFunc[interruptNum] = 0; - } -} - -/* -void attachInterruptTwi(void (*userFunc)(void) ) { - twiIntFunc = userFunc; -} -*/ - -#if defined(__AVR_ATmega1280__) - -SIGNAL(INT0_vect) { - if(intFunc[EXTERNAL_INT_2]) - intFunc[EXTERNAL_INT_2](); -} - -SIGNAL(INT1_vect) { - if(intFunc[EXTERNAL_INT_3]) - intFunc[EXTERNAL_INT_3](); -} - -SIGNAL(INT2_vect) { - if(intFunc[EXTERNAL_INT_4]) - intFunc[EXTERNAL_INT_4](); -} - -SIGNAL(INT3_vect) { - if(intFunc[EXTERNAL_INT_5]) - intFunc[EXTERNAL_INT_5](); -} - -SIGNAL(INT4_vect) { - if(intFunc[EXTERNAL_INT_0]) - intFunc[EXTERNAL_INT_0](); -} - -SIGNAL(INT5_vect) { - if(intFunc[EXTERNAL_INT_1]) - intFunc[EXTERNAL_INT_1](); -} - -SIGNAL(INT6_vect) { - if(intFunc[EXTERNAL_INT_6]) - intFunc[EXTERNAL_INT_6](); -} - -SIGNAL(INT7_vect) { - if(intFunc[EXTERNAL_INT_7]) - intFunc[EXTERNAL_INT_7](); -} - -#else - -SIGNAL(INT0_vect) { - if(intFunc[EXTERNAL_INT_0]) - intFunc[EXTERNAL_INT_0](); -} - -SIGNAL(INT1_vect) { - if(intFunc[EXTERNAL_INT_1]) - intFunc[EXTERNAL_INT_1](); -} - -#endif - -/* -SIGNAL(SIG_2WIRE_SERIAL) { - if(twiIntFunc) - twiIntFunc(); -} -*/ - |