mirror of
https://github.com/Theaninova/Arduino-IRremote.git
synced 2025-12-13 01:46:21 +00:00
Support multiple devices and platforms.
Patched in changes from Paul Stoffregen (http://www.pjrc.com/teensy/td_libs_IRremote.html)
This commit is contained in:
Ken
285
IRremoteInt.h
285
IRremoteInt.h
@@ -4,6 +4,8 @@
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* Copyright 2009 Ken Shirriff
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* For details, see http://arcfn.com/2009/08/multi-protocol-infrared-remote-library.html
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*
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* Modified by Paul Stoffregen <paul@pjrc.com> to support other boards and timers
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*
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* Interrupt code based on NECIRrcv by Joe Knapp
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* http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1210243556
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* Also influenced by http://zovirl.com/2008/11/12/building-a-universal-remote-with-an-arduino/
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@@ -14,16 +16,58 @@
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#include <WProgram.h>
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#define CLKFUDGE 5 // fudge factor for clock interrupt overhead
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#define CLK 256 // max value for clock (timer 2)
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#define PRESCALE 8 // timer2 clock prescale
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// define which timer to use
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//
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// Uncomment the timer you wish to use on your board. If you
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// are using another library which uses timer2, you have options
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// to switch IRremote to use a different timer.
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// Arduino Mega
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#if defined(__AVR_ATmega1280__)
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//#define IR_USE_TIMER1 // tx = pin 11
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#define IR_USE_TIMER2 // tx = pin 9
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//#define IR_USE_TIMER3 // tx = pin 5
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//#define IR_USE_TIMER4 // tx = pin 6
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//#define IR_USE_TIMER5 // tx = pin 46
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// Teensy 1.0
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#elif defined(__AVR_AT90USB162__)
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#define IR_USE_TIMER1 // tx = pin 17
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// Teensy 2.0
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#elif defined(__AVR_ATmega32U4__)
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//#define IR_USE_TIMER1 // tx = pin 14
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//#define IR_USE_TIMER3 // tx = pin 9
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#define IR_USE_TIMER4_HS // tx = pin 10
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// Teensy++ 1.0 & 2.0
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#elif defined(__AVR_AT90USB646__) || defined(__AVR_AT90USB1286__)
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//#define IR_USE_TIMER1 // tx = pin 25
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#define IR_USE_TIMER2 // tx = pin 1
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//#define IR_USE_TIMER3 // tx = pin 16
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// Sanguino
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#elif defined(__AVR_ATmega644P__) || defined(__AVR_ATmega644__)
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//#define IR_USE_TIMER1 // tx = pin 13
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#define IR_USE_TIMER2 // tx = pin 14
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// Arduino Duemilanove, Diecimila, LilyPad, Mini, Fio, etc
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#else
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//#define IR_USE_TIMER1 // tx = pin 9
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#define IR_USE_TIMER2 // tx = pin 3
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#endif
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#ifdef F_CPU
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#define SYSCLOCK F_CPU // main Arduino clock
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#else
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#define SYSCLOCK 16000000 // main Arduino clock
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#define CLKSPERUSEC (SYSCLOCK/PRESCALE/1000000) // timer clocks per microsecond
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#endif
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#define ERR 0
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#define DECODED 1
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#define BLINKLED 13
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// defines for setting and clearing register bits
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#ifndef cbi
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@@ -33,9 +77,6 @@
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#define sbi(sfr, bit) (_SFR_BYTE(sfr) |= _BV(bit))
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#endif
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// clock timer reset value
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#define INIT_TIMER_COUNT2 (CLK - USECPERTICK*CLKSPERUSEC + CLKFUDGE)
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#define RESET_TIMER2 TCNT2 = INIT_TIMER_COUNT2
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// pulse parameters in usec
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#define NEC_HDR_MARK 9000
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@@ -125,5 +166,233 @@ extern volatile irparams_t irparams;
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#define MIN_RC5_SAMPLES 11
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#define MIN_RC6_SAMPLES 1
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// defines for timer2 (8 bits)
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#if defined(IR_USE_TIMER2)
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#define TIMER_RESET
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#define TIMER_ENABLE_PWM (TCCR2A |= _BV(COM2B1))
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#define TIMER_DISABLE_PWM (TCCR2A &= ~(_BV(COM2B1)))
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#define TIMER_ENABLE_INTR (TIMSK2 = _BV(OCIE2A))
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#define TIMER_DISABLE_INTR (TIMSK2 - 0)
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#define TIMER_INTR_NAME TIMER2_COMPA_vect
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#define TIMER_CONFIG_KHZ(val) ({ \
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const uint8_t pwmval = SYSCLOCK / 2000 / (val); \
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TCCR2A = _BV(WGM20); \
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TCCR2B = _BV(WGM22) | _BV(CS20); \
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OCR2A = pwmval; \
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OCR2B = pwmval / 3; \
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})
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#define TIMER_COUNT_TOP (SYSCLOCK * USECPERTICK / 1000000)
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#if (TIMER_COUNT_TOP < 256)
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#define TIMER_CONFIG_NORMAL() ({ \
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TCCR2A = _BV(WGM21); \
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TCCR2B = _BV(CS20); \
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OCR2A = TIMER_COUNT_TOP; \
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TCNT2 = 0; \
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})
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#else
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#define TIMER_CONFIG_NORMAL() ({ \
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TCCR2A = _BV(WGM21); \
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TCCR2B = _BV(CS21); \
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OCR2A = TIMER_COUNT_TOP / 8; \
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TCNT2 = 0; \
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})
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#endif
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#if defined(CORE_OC2B_PIN)
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#define TIMER_PWM_PIN CORE_OC2B_PIN /* Teensy */
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#elif defined(__AVR_ATmega1280__)
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#define TIMER_PWM_PIN 9 /* Arduino Mega */
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#elif defined(__AVR_ATmega644P__) || defined(__AVR_ATmega644__)
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#define TIMER_PWM_PIN 14 /* Sanguino */
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#else
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#define TIMER_PWM_PIN 3 /* Arduino Duemilanove, Diecimila, LilyPad, etc */
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#endif
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// defines for timer1 (16 bits)
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#elif defined(IR_USE_TIMER1)
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#define TIMER_RESET
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#define TIMER_ENABLE_PWM (TCCR1A |= _BV(COM1A1))
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#define TIMER_DISABLE_PWM (TCCR1A &= ~(_BV(COM1A1)))
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#define TIMER_ENABLE_INTR (TIMSK1 = _BV(OCIE1A))
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#define TIMER_DISABLE_INTR (TIMSK1 = 0)
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#define TIMER_INTR_NAME TIMER1_COMPA_vect
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#define TIMER_CONFIG_KHZ(val) ({ \
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const uint16_t pwmval = SYSCLOCK / 2000 / (val); \
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TCCR1A = _BV(WGM11); \
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TCCR1B = _BV(WGM13) | _BV(CS10); \
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ICR1 = pwmval; \
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OCR1A = pwmval / 3; \
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})
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#define TIMER_CONFIG_NORMAL() ({ \
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TCCR1A = 0; \
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TCCR1B = _BV(WGM12) | _BV(CS10); \
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OCR1A = SYSCLOCK * USECPERTICK / 1000000; \
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TCNT1 = 0; \
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})
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#if defined(CORE_OC1A_PIN)
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#define TIMER_PWM_PIN CORE_OC1A_PIN /* Teensy */
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#elif defined(__AVR_ATmega1280__)
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#define TIMER_PWM_PIN 11 /* Arduino Mega */
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#elif defined(__AVR_ATmega644P__) || defined(__AVR_ATmega644__)
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#define TIMER_PWM_PIN 13 /* Sanguino */
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#else
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#define TIMER_PWM_PIN 9 /* Arduino Duemilanove, Diecimila, LilyPad, etc */
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#endif
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// defines for timer3 (16 bits)
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#elif defined(IR_USE_TIMER3)
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#define TIMER_RESET
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#define TIMER_ENABLE_PWM (TCCR3A |= _BV(COM3A1))
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#define TIMER_DISABLE_PWM (TCCR3A &= ~(_BV(COM3A1)))
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#define TIMER_ENABLE_INTR (TIMSK3 = _BV(OCIE3A))
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#define TIMER_DISABLE_INTR (TIMSK3 = 0)
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#define TIMER_INTR_NAME TIMER3_COMPA_vect
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#define TIMER_CONFIG_KHZ(val) ({ \
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const uint16_t pwmval = SYSCLOCK / 2000 / (val); \
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TCCR3A = _BV(WGM31); \
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TCCR3B = _BV(WGM33) | _BV(CS30); \
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ICR3 = pwmval; \
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OCR3A = pwmval / 3; \
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})
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#define TIMER_CONFIG_NORMAL() ({ \
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TCCR3A = 0; \
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TCCR3B = _BV(WGM32) | _BV(CS30); \
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OCR3A = SYSCLOCK * USECPERTICK / 1000000; \
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TCNT3 = 0; \
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})
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#if defined(CORE_OC3A_PIN)
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#define TIMER_PWM_PIN CORE_OC3A_PIN /* Teensy */
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#elif defined(__AVR_ATmega1280__)
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#define TIMER_PWM_PIN 5 /* Arduino Mega */
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#else
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#error "Please add OC3A pin number here\n"
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#endif
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// defines for timer4 (10 bits, high speed option)
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#elif defined(IR_USE_TIMER4_HS)
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#define TIMER_RESET
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#define TIMER_ENABLE_PWM (TCCR4A |= _BV(COM4A1))
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#define TIMER_DISABLE_PWM (TCCR4A &= ~(_BV(COM4A1)))
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#define TIMER_ENABLE_INTR (TIMSK4 = _BV(TOIE4))
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#define TIMER_DISABLE_INTR (TIMSK4 = 0)
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#define TIMER_INTR_NAME TIMER4_OVF_vect
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#define TIMER_CONFIG_KHZ(val) ({ \
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const uint16_t pwmval = SYSCLOCK / 2000 / (val); \
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TCCR4A = (1<<PWM4A); \
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TCCR4B = _BV(CS40); \
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TCCR4C = 0; \
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TCCR4D = (1<<WGM40); \
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TCCR4E = 0; \
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TC4H = pwmval >> 8; \
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OCR4C = pwmval; \
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TC4H = (pwmval / 3) >> 8; \
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OCR4A = (pwmval / 3) & 255; \
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})
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#define TIMER_CONFIG_NORMAL() ({ \
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TCCR4A = 0; \
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TCCR4B = _BV(CS40); \
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TCCR4C = 0; \
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TCCR4D = 0; \
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TCCR4E = 0; \
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TC4H = (SYSCLOCK * USECPERTICK / 1000000) >> 8; \
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OCR4C = (SYSCLOCK * USECPERTICK / 1000000) & 255; \
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TC4H = 0; \
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TCNT4 = 0; \
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})
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#if defined(CORE_OC4A_PIN)
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#define TIMER_PWM_PIN CORE_OC4A_PIN /* Teensy */
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#else
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#error "Please add OC4A pin number here\n"
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#endif
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// defines for timer4 (16 bits)
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#elif defined(IR_USE_TIMER4)
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#define TIMER_RESET
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#define TIMER_ENABLE_PWM (TCCR4A |= _BV(COM4A1))
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#define TIMER_DISABLE_PWM (TCCR4A &= ~(_BV(COM4A1)))
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#define TIMER_ENABLE_INTR (TIMSK4 = _BV(OCIE4A))
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#define TIMER_DISABLE_INTR (TIMSK4 = 0)
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#define TIMER_INTR_NAME TIMER4_COMPA_vect
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#define TIMER_CONFIG_KHZ(val) ({ \
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const uint16_t pwmval = SYSCLOCK / 2000 / (val); \
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TCCR4A = _BV(WGM41); \
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TCCR4B = _BV(WGM43) | _BV(CS40); \
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ICR4 = pwmval; \
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OCR4A = pwmval / 3; \
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})
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#define TIMER_CONFIG_NORMAL() ({ \
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TCCR4A = 0; \
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TCCR4B = _BV(WGM42) | _BV(CS40); \
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OCR4A = SYSCLOCK * USECPERTICK / 1000000; \
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TCNT4 = 0; \
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})
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#if defined(CORE_OC4A_PIN)
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#define TIMER_PWM_PIN CORE_OC4A_PIN
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#elif defined(__AVR_ATmega1280__)
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#define TIMER_PWM_PIN 6 /* Arduino Mega */
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#else
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#error "Please add OC4A pin number here\n"
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#endif
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// defines for timer5 (16 bits)
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#elif defined(IR_USE_TIMER5)
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#define TIMER_RESET
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#define TIMER_ENABLE_PWM (TCCR5A |= _BV(COM5A1))
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#define TIMER_DISABLE_PWM (TCCR5A &= ~(_BV(COM5A1)))
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#define TIMER_ENABLE_INTR (TIMSK5 = _BV(OCIE5A))
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#define TIMER_DISABLE_INTR (TIMSK5 = 0)
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#define TIMER_INTR_NAME TIMER5_COMPA_vect
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#define TIMER_CONFIG_KHZ(val) ({ \
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const uint16_t pwmval = SYSCLOCK / 2000 / (val); \
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TCCR5A = _BV(WGM51); \
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TCCR5B = _BV(WGM53) | _BV(CS50); \
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ICR5 = pwmval; \
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OCR5A = pwmval / 3; \
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})
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#define TIMER_CONFIG_NORMAL() ({ \
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TCCR5A = 0; \
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TCCR5B = _BV(WGM52) | _BV(CS50); \
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OCR5A = SYSCLOCK * USECPERTICK / 1000000; \
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TCNT5 = 0; \
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})
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#if defined(CORE_OC5A_PIN)
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#define TIMER_PWM_PIN CORE_OC5A_PIN
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#elif defined(__AVR_ATmega1280__)
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#define TIMER_PWM_PIN 46 /* Arduino Mega */
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#else
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#error "Please add OC5A pin number here\n"
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#endif
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#else // unknown timer
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#error "Internal code configuration error, no known IR_USE_TIMER# defined\n"
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#endif
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// defines for blinking the LED
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#if defined(CORE_LED0_PIN)
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#define BLINKLED CORE_LED0_PIN
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#define BLINKLED_ON() (digitalWrite(CORE_LED0_PIN, HIGH))
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#define BLINKLED_OFF() (digitalWrite(CORE_LED0_PIN, LOW))
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#elif defined(__AVR_ATmega1280__)
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#define BLINKLED 13
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#define BLINKLED_ON() (PORTB |= B10000000)
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#define BLINKLED_OFF() (PORTB &= B01111111)
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#elif defined(__AVR_ATmega644P__) || defined(__AVR_ATmega644__)
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#define BLINKLED 0
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#define BLINKLED_ON() (PORTD |= B00000001)
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#define BLINKLED_OFF() (PORTD &= B11111110)
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#else
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#define BLINKLED 13
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#define BLINKLED_ON() (PORTB |= B00100000)
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#define BLINKLED_OFF() (PORTB &= B11011111)
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#endif
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#endif
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