diff options
Diffstat (limited to 'cores/arduino/WInterrupts.c')
-rw-r--r-- | cores/arduino/WInterrupts.c | 379 |
1 files changed, 0 insertions, 379 deletions
diff --git a/cores/arduino/WInterrupts.c b/cores/arduino/WInterrupts.c deleted file mode 100644 index 38ea158..0000000 --- a/cores/arduino/WInterrupts.c +++ /dev/null @@ -1,379 +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 - Modified 1 August 2010 by Mark Sproul -*/ - -#include <inttypes.h> -#include <avr/io.h> -#include <avr/interrupt.h> -#include <avr/pgmspace.h> -#include <stdio.h> - -#include "wiring_private.h" - -static void nothing(void) { -} - -static volatile voidFuncPtr intFunc[EXTERNAL_NUM_INTERRUPTS] = { -#if EXTERNAL_NUM_INTERRUPTS > 8 - #warning There are more than 8 external interrupts. Some callbacks may not be initialized. - nothing, -#endif -#if EXTERNAL_NUM_INTERRUPTS > 7 - nothing, -#endif -#if EXTERNAL_NUM_INTERRUPTS > 6 - nothing, -#endif -#if EXTERNAL_NUM_INTERRUPTS > 5 - nothing, -#endif -#if EXTERNAL_NUM_INTERRUPTS > 4 - nothing, -#endif -#if EXTERNAL_NUM_INTERRUPTS > 3 - nothing, -#endif -#if EXTERNAL_NUM_INTERRUPTS > 2 - nothing, -#endif -#if EXTERNAL_NUM_INTERRUPTS > 1 - nothing, -#endif -#if EXTERNAL_NUM_INTERRUPTS > 0 - nothing, -#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_ATmega32U4__) - // I hate doing this, but the register assignment differs between the 1280/2560 - // and the 32U4. Since avrlib defines registers PCMSK1 and PCMSK2 that aren't - // even present on the 32U4 this is the only way to distinguish between them. - 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; - case 2: - EICRA = (EICRA & ~((1<<ISC20) | (1<<ISC21))) | (mode << ISC20); - EIMSK |= (1<<INT2); - break; - case 3: - EICRA = (EICRA & ~((1<<ISC30) | (1<<ISC31))) | (mode << ISC30); - EIMSK |= (1<<INT3); - break; - case 4: - EICRB = (EICRB & ~((1<<ISC60) | (1<<ISC61))) | (mode << ISC60); - EIMSK |= (1<<INT6); - break; -#elif defined(__AVR_AT90USB82__) || defined(__AVR_AT90USB162__) || defined(__AVR_ATmega32U2__) || defined(__AVR_ATmega16U2__) || defined(__AVR_ATmega8U2__) - 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; - case 2: - EICRA = (EICRA & ~((1 << ISC20) | (1 << ISC21))) | (mode << ISC20); - EIMSK |= (1 << INT2); - break; - case 3: - EICRA = (EICRA & ~((1 << ISC30) | (1 << ISC31))) | (mode << ISC30); - EIMSK |= (1 << INT3); - break; - case 4: - EICRB = (EICRB & ~((1 << ISC40) | (1 << ISC41))) | (mode << ISC40); - EIMSK |= (1 << INT4); - break; - case 5: - 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; -#elif defined(EICRA) && defined(EICRB) && defined(EIMSK) - 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: - #if defined(EICRA) && defined(ISC00) && defined(EIMSK) - EICRA = (EICRA & ~((1 << ISC00) | (1 << ISC01))) | (mode << ISC00); - EIMSK |= (1 << INT0); - #elif defined(MCUCR) && defined(ISC00) && defined(GICR) - MCUCR = (MCUCR & ~((1 << ISC00) | (1 << ISC01))) | (mode << ISC00); - GICR |= (1 << INT0); - #elif defined(MCUCR) && defined(ISC00) && defined(GIMSK) - MCUCR = (MCUCR & ~((1 << ISC00) | (1 << ISC01))) | (mode << ISC00); - GIMSK |= (1 << INT0); - #else - #error attachInterrupt not finished for this CPU (case 0) - #endif - break; - - case 1: - #if defined(EICRA) && defined(ISC10) && defined(ISC11) && defined(EIMSK) - EICRA = (EICRA & ~((1 << ISC10) | (1 << ISC11))) | (mode << ISC10); - EIMSK |= (1 << INT1); - #elif defined(MCUCR) && defined(ISC10) && defined(ISC11) && defined(GICR) - MCUCR = (MCUCR & ~((1 << ISC10) | (1 << ISC11))) | (mode << ISC10); - GICR |= (1 << INT1); - #elif defined(MCUCR) && defined(ISC10) && defined(GIMSK) && defined(GIMSK) - MCUCR = (MCUCR & ~((1 << ISC10) | (1 << ISC11))) | (mode << ISC10); - GIMSK |= (1 << INT1); - #else - #warning attachInterrupt may need some more work for this cpu (case 1) - #endif - break; - - case 2: - #if defined(EICRA) && defined(ISC20) && defined(ISC21) && defined(EIMSK) - EICRA = (EICRA & ~((1 << ISC20) | (1 << ISC21))) | (mode << ISC20); - EIMSK |= (1 << INT2); - #elif defined(MCUCR) && defined(ISC20) && defined(ISC21) && defined(GICR) - MCUCR = (MCUCR & ~((1 << ISC20) | (1 << ISC21))) | (mode << ISC20); - GICR |= (1 << INT2); - #elif defined(MCUCR) && defined(ISC20) && defined(GIMSK) && defined(GIMSK) - MCUCR = (MCUCR & ~((1 << ISC20) | (1 << ISC21))) | (mode << ISC20); - GIMSK |= (1 << INT2); - #endif - 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_ATmega32U4__) - case 0: - EIMSK &= ~(1<<INT0); - break; - case 1: - EIMSK &= ~(1<<INT1); - break; - case 2: - EIMSK &= ~(1<<INT2); - break; - case 3: - EIMSK &= ~(1<<INT3); - break; - case 4: - EIMSK &= ~(1<<INT6); - break; -#elif defined(__AVR_AT90USB82__) || defined(__AVR_AT90USB162__) || defined(__AVR_ATmega32U2__) || defined(__AVR_ATmega16U2__) || defined(__AVR_ATmega8U2__) - case 0: - EIMSK &= ~(1 << INT0); - break; - case 1: - EIMSK &= ~(1 << INT1); - break; - case 2: - EIMSK &= ~(1 << INT2); - break; - case 3: - EIMSK &= ~(1 << INT3); - break; - case 4: - EIMSK &= ~(1 << INT4); - break; - case 5: - EIMSK &= ~(1 << INT5); - break; - case 6: - EIMSK &= ~(1 << INT6); - break; - case 7: - EIMSK &= ~(1 << INT7); - break; -#elif defined(EICRA) && defined(EICRB) && defined(EIMSK) - 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: - #if defined(EIMSK) && defined(INT0) - EIMSK &= ~(1 << INT0); - #elif defined(GICR) && defined(ISC00) - GICR &= ~(1 << INT0); // atmega32 - #elif defined(GIMSK) && defined(INT0) - GIMSK &= ~(1 << INT0); - #else - #error detachInterrupt not finished for this cpu - #endif - break; - - case 1: - #if defined(EIMSK) && defined(INT1) - EIMSK &= ~(1 << INT1); - #elif defined(GICR) && defined(INT1) - GICR &= ~(1 << INT1); // atmega32 - #elif defined(GIMSK) && defined(INT1) - GIMSK &= ~(1 << INT1); - #else - #warning detachInterrupt may need some more work for this cpu (case 1) - #endif - break; - - case 2: - #if defined(EIMSK) && defined(INT2) - EIMSK &= ~(1 << INT2); - #elif defined(GICR) && defined(INT2) - GICR &= ~(1 << INT2); // atmega32 - #elif defined(GIMSK) && defined(INT2) - GIMSK &= ~(1 << INT2); - #elif defined(INT2) - #warning detachInterrupt may need some more work for this cpu (case 2) - #endif - break; -#endif - } - - intFunc[interruptNum] = nothing; - } -} - - -#define IMPLEMENT_ISR(vect, interrupt) \ - ISR(vect) { \ - intFunc[interrupt](); \ - } - -#if defined(__AVR_ATmega32U4__) - -IMPLEMENT_ISR(INT0_vect, EXTERNAL_INT_0) -IMPLEMENT_ISR(INT1_vect, EXTERNAL_INT_1) -IMPLEMENT_ISR(INT2_vect, EXTERNAL_INT_2) -IMPLEMENT_ISR(INT3_vect, EXTERNAL_INT_3) -IMPLEMENT_ISR(INT6_vect, EXTERNAL_INT_4) - -#elif defined(__AVR_AT90USB82__) || defined(__AVR_AT90USB162__) || defined(__AVR_ATmega32U2__) || defined(__AVR_ATmega16U2__) || defined(__AVR_ATmega8U2__) - -IMPLEMENT_ISR(INT0_vect, EXTERNAL_INT_0) -IMPLEMENT_ISR(INT1_vect, EXTERNAL_INT_1) -IMPLEMENT_ISR(INT2_vect, EXTERNAL_INT_2) -IMPLEMENT_ISR(INT3_vect, EXTERNAL_INT_3) -IMPLEMENT_ISR(INT4_vect, EXTERNAL_INT_4) -IMPLEMENT_ISR(INT5_vect, EXTERNAL_INT_5) -IMPLEMENT_ISR(INT6_vect, EXTERNAL_INT_6) -IMPLEMENT_ISR(INT7_vect, EXTERNAL_INT_7) - -#elif defined(EICRA) && defined(EICRB) - -IMPLEMENT_ISR(INT0_vect, EXTERNAL_INT_2) -IMPLEMENT_ISR(INT1_vect, EXTERNAL_INT_3) -IMPLEMENT_ISR(INT2_vect, EXTERNAL_INT_4) -IMPLEMENT_ISR(INT3_vect, EXTERNAL_INT_5) -IMPLEMENT_ISR(INT4_vect, EXTERNAL_INT_0) -IMPLEMENT_ISR(INT5_vect, EXTERNAL_INT_1) -IMPLEMENT_ISR(INT6_vect, EXTERNAL_INT_6) -IMPLEMENT_ISR(INT7_vect, EXTERNAL_INT_7) - -#else - -IMPLEMENT_ISR(INT0_vect, EXTERNAL_INT_0) -IMPLEMENT_ISR(INT1_vect, EXTERNAL_INT_1) - -#if defined(EICRA) && defined(ISC20) -IMPLEMENT_ISR(INT2_vect, EXTERNAL_INT_2) -#endif - -#endif |