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IRremoteInt.h
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/*
* IRremote
* Version 0.1 July, 2009
* Copyright 2009 Ken Shirriff
* For details, see http://arcfn.com/2009/08/multi-protocol-infrared-remote-library.html
*
* Modified by Paul Stoffregen <[email protected]> to support other boards and timers
*
* Interrupt code based on NECIRrcv by Joe Knapp
* http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1210243556
* Also influenced by http://zovirl.com/2008/11/12/building-a-universal-remote-with-an-arduino/
*
* JVC and Panasonic protocol added by Kristian Lauszus (Thanks to zenwheel and other people at the original blog post)
*/
#ifndef IRremoteint_h
#define IRremoteint_h
#if defined(ARDUINO) && ARDUINO >= 100
#include <Arduino.h>
#else
#include <WProgram.h>
#endif
// define which timer to use
//
// Uncomment the timer you wish to use on your board. If you
// are using another library which uses timer2, you have options
// to switch IRremote to use a different timer.
// Arduino Mega
#if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
//#define IR_USE_TIMER1 // tx = pin 11
#define IR_USE_TIMER2 // tx = pin 9
//#define IR_USE_TIMER3 // tx = pin 5
//#define IR_USE_TIMER4 // tx = pin 6
//#define IR_USE_TIMER5 // tx = pin 46
// Teensy 1.0
#elif defined(__AVR_AT90USB162__)
#define IR_USE_TIMER1 // tx = pin 17
// Teensy 2.0
#elif defined(__AVR_ATmega32U4__)
//#define IR_USE_TIMER1 // tx = pin 14
//#define IR_USE_TIMER3 // tx = pin 9
#define IR_USE_TIMER4_HS // tx = pin 10
// Teensy++ 1.0 & 2.0
#elif defined(__AVR_AT90USB646__) || defined(__AVR_AT90USB1286__)
//#define IR_USE_TIMER1 // tx = pin 25
#define IR_USE_TIMER2 // tx = pin 1
//#define IR_USE_TIMER3 // tx = pin 16
// Sanguino
#elif defined(__AVR_ATmega644P__) || defined(__AVR_ATmega644__)
//#define IR_USE_TIMER1 // tx = pin 13
#define IR_USE_TIMER2 // tx = pin 14
// Atmega8
#elif defined(__AVR_ATmega8P__) || defined(__AVR_ATmega8__)
#define IR_USE_TIMER1 // tx = pin 9
#elif defined( __AVR_ATtinyX4__ )
#define IR_USE_TIMER1 // tx = pin 6
// Arduino Duemilanove, Diecimila, LilyPad, Mini, Fio, etc
#else
//#define IR_USE_TIMER1 // tx = pin 9
#define IR_USE_TIMER2 // tx = pin 3
#endif
#ifdef F_CPU
#define SYSCLOCK F_CPU // main Arduino clock
#else
#define SYSCLOCK 16000000 // main Arduino clock
#endif
#define ERR 0
#define DECODED 1
// defines for setting and clearing register bits
#ifndef cbi
#define cbi(sfr, bit) (_SFR_BYTE(sfr) &= ~_BV(bit))
#endif
#ifndef sbi
#define sbi(sfr, bit) (_SFR_BYTE(sfr) |= _BV(bit))
#endif
// Pulse parms are *50-100 for the Mark and *50+100 for the space
// First MARK is the one after the long gap
// pulse parameters in usec
#define NEC_HDR_MARK 9000
#define NEC_HDR_SPACE 4500
#define NEC_BIT_MARK 560
#define NEC_ONE_SPACE 1600
#define NEC_ZERO_SPACE 560
#define NEC_RPT_SPACE 2250
#define SONY_HDR_MARK 2400
#define SONY_HDR_SPACE 600
#define SONY_ONE_MARK 1200
#define SONY_ZERO_MARK 600
#define SONY_RPT_LENGTH 45000
#define SONY_DOUBLE_SPACE_USECS 500 // usually ssee 713 - not using ticks as get number wrapround
// SA 8650B
#define SANYO_HDR_MARK 3500 // seen range 3500
#define SANYO_HDR_SPACE 950 // seen 950
#define SANYO_ONE_MARK 2400 // seen 2400
#define SANYO_ZERO_MARK 700 // seen 700
#define SANYO_DOUBLE_SPACE_USECS 800 // usually ssee 713 - not using ticks as get number wrapround
#define SANYO_RPT_LENGTH 45000
// Mitsubishi RM 75501
// 14200 7 41 7 42 7 42 7 17 7 17 7 18 7 41 7 18 7 17 7 17 7 18 7 41 8 17 7 17 7 18 7 17 7
// #define MITSUBISHI_HDR_MARK 250 // seen range 3500
#define MITSUBISHI_HDR_SPACE 350 // 7*50+100
#define MITSUBISHI_ONE_MARK 1950 // 41*50-100
#define MITSUBISHI_ZERO_MARK 750 // 17*50-100
// #define MITSUBISHI_DOUBLE_SPACE_USECS 800 // usually ssee 713 - not using ticks as get number wrapround
// #define MITSUBISHI_RPT_LENGTH 45000
#define RC5_T1 889
#define RC5_RPT_LENGTH 46000
#define RC6_HDR_MARK 2666
#define RC6_HDR_SPACE 889
#define RC6_T1 444
#define RC6_RPT_LENGTH 46000
#define SHARP_BIT_MARK 245
#define SHARP_ONE_SPACE 1805
#define SHARP_ZERO_SPACE 795
#define SHARP_GAP 600000
#define SHARP_TOGGLE_MASK 0x3FF
#define SHARP_RPT_SPACE 3000
#define DISH_HDR_MARK 400
#define DISH_HDR_SPACE 6100
#define DISH_BIT_MARK 400
#define DISH_ONE_SPACE 1700
#define DISH_ZERO_SPACE 2800
#define DISH_RPT_SPACE 6200
#define DISH_TOP_BIT 0x8000
#define PANASONIC_HDR_MARK 3502
#define PANASONIC_HDR_SPACE 1750
#define PANASONIC_BIT_MARK 502
#define PANASONIC_ONE_SPACE 1244
#define PANASONIC_ZERO_SPACE 400
#define JVC_HDR_MARK 8000
#define JVC_HDR_SPACE 4000
#define JVC_BIT_MARK 600
#define JVC_ONE_SPACE 1600
#define JVC_ZERO_SPACE 550
#define JVC_RPT_LENGTH 60000
#define SHARP_BITS 15
#define DISH_BITS 16
#define TOLERANCE 25 // percent tolerance in measurements
#define LTOL (1.0 - TOLERANCE/100.)
#define UTOL (1.0 + TOLERANCE/100.)
#define _GAP 5000 // Minimum map between transmissions
#define GAP_TICKS (_GAP/USECPERTICK)
#define TICKS_LOW(us) (int) (((us)*LTOL/USECPERTICK))
#define TICKS_HIGH(us) (int) (((us)*UTOL/USECPERTICK + 1))
#ifndef DEBUG
int MATCH(int measured, int desired) {return measured >= TICKS_LOW(desired) && measured <= TICKS_HIGH(desired);}
int MATCH_MARK(int measured_ticks, int desired_us) {return MATCH(measured_ticks, (desired_us + MARK_EXCESS));}
int MATCH_SPACE(int measured_ticks, int desired_us) {return MATCH(measured_ticks, (desired_us - MARK_EXCESS));}
// Debugging versions are in IRremote.cpp
#endif
// receiver states
#define STATE_IDLE 2
#define STATE_MARK 3
#define STATE_SPACE 4
#define STATE_STOP 5
// information for the interrupt handler
typedef struct {
uint8_t recvpin; // pin for IR data from detector
uint8_t rcvstate; // state machine
uint8_t blinkflag; // TRUE to enable blinking of pin 13 on IR processing
unsigned int timer; // state timer, counts 50uS ticks.
unsigned int rawbuf[RAWBUF]; // raw data
uint8_t rawlen; // counter of entries in rawbuf
uint8_t mark_val; // 0 = active-low, 1 = active-high
}
irparams_t;
// Defined in IRremote.cpp
extern volatile irparams_t irparams;
#define TOPBIT 0x80000000
#define NEC_BITS 32
#define SONY_BITS 12
#define SANYO_BITS 12
#define MITSUBISHI_BITS 16
#define MIN_RC5_SAMPLES 11
#define MIN_RC6_SAMPLES 1
#define PANASONIC_BITS 48
#define JVC_BITS 16
// defines for timer2 (8 bits)
#if defined(IR_USE_TIMER2)
#define TIMER_RESET
#define TIMER_ENABLE_PWM (TCCR2A |= _BV(COM2B1))
#define TIMER_DISABLE_PWM (TCCR2A &= ~(_BV(COM2B1)))
#define TIMER_ENABLE_INTR (TIMSK2 = _BV(OCIE2A))
#define TIMER_DISABLE_INTR (TIMSK2 = 0)
#define TIMER_INTR_NAME TIMER2_COMPA_vect
#define TIMER_CONFIG_KHZ(val) ({ \
const uint8_t pwmval = SYSCLOCK / 2000 / (val); \
TCCR2A = _BV(WGM20); \
TCCR2B = _BV(WGM22) | _BV(CS20); \
OCR2A = pwmval; \
OCR2B = pwmval / 3; \
})
#define TIMER_COUNT_TOP (SYSCLOCK * USECPERTICK / 1000000)
#if (TIMER_COUNT_TOP < 256)
#define TIMER_CONFIG_NORMAL() ({ \
TCCR2A = _BV(WGM21); \
TCCR2B = _BV(CS20); \
OCR2A = TIMER_COUNT_TOP; \
TCNT2 = 0; \
})
#else
#define TIMER_CONFIG_NORMAL() ({ \
TCCR2A = _BV(WGM21); \
TCCR2B = _BV(CS21); \
OCR2A = TIMER_COUNT_TOP / 8; \
TCNT2 = 0; \
})
#endif
#if defined(CORE_OC2B_PIN)
#define TIMER_PWM_PIN CORE_OC2B_PIN /* Teensy */
#elif defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
#define TIMER_PWM_PIN 9 /* Arduino Mega */
#elif defined(__AVR_ATmega644P__) || defined(__AVR_ATmega644__)
#define TIMER_PWM_PIN 14 /* Sanguino */
#else
#define TIMER_PWM_PIN 3 /* Arduino Duemilanove, Diecimila, LilyPad, etc */
#endif
// defines for timer1 (16 bits)
#elif defined(IR_USE_TIMER1)
#define TIMER_RESET
#define TIMER_ENABLE_PWM (TCCR1A |= _BV(COM1A1))
#define TIMER_DISABLE_PWM (TCCR1A &= ~(_BV(COM1A1)))
#if defined(__AVR_ATmega8P__) || defined(__AVR_ATmega8__)
#define TIMER_ENABLE_INTR (TIMSK = _BV(OCIE1A))
#define TIMER_DISABLE_INTR (TIMSK = 0)
#else
#define TIMER_ENABLE_INTR (TIMSK1 = _BV(OCIE1A))
#define TIMER_DISABLE_INTR (TIMSK1 = 0)
#endif
#if defined(__AVR_ATtinyX4__)
#define TIMER_INTR_NAME TIM1_COMPA_vect
#else
#define TIMER_INTR_NAME TIMER1_COMPA_vect
#endif
#define TIMER_CONFIG_KHZ(val) ({ \
const uint16_t pwmval = SYSCLOCK / 2000 / (val); \
TCCR1A = _BV(WGM11); \
TCCR1B = _BV(WGM13) | _BV(CS10); \
ICR1 = pwmval; \
OCR1A = pwmval / 3; \
})
#define TIMER_CONFIG_NORMAL() ({ \
TCCR1A = 0; \
TCCR1B = _BV(WGM12) | _BV(CS10); \
OCR1A = SYSCLOCK * USECPERTICK / 1000000; \
TCNT1 = 0; \
})
#if defined(CORE_OC1A_PIN)
#define TIMER_PWM_PIN CORE_OC1A_PIN /* Teensy */
#elif defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
#define TIMER_PWM_PIN 11 /* Arduino Mega */
#elif defined(__AVR_ATmega644P__) || defined(__AVR_ATmega644__)
#define TIMER_PWM_PIN 13 /* Sanguino */
#elif defined(__AVR_ATtinyX4__)
#define TIMER_PWM_PIN 6 /* ATTiny84 */
#else
#define TIMER_PWM_PIN 9 /* Arduino Duemilanove, Diecimila, LilyPad, etc */
#endif
// defines for timer3 (16 bits)
#elif defined(IR_USE_TIMER3)
#define TIMER_RESET
#define TIMER_ENABLE_PWM (TCCR3A |= _BV(COM3A1))
#define TIMER_DISABLE_PWM (TCCR3A &= ~(_BV(COM3A1)))
#define TIMER_ENABLE_INTR (TIMSK3 = _BV(OCIE3A))
#define TIMER_DISABLE_INTR (TIMSK3 = 0)
#define TIMER_INTR_NAME TIMER3_COMPA_vect
#define TIMER_CONFIG_KHZ(val) ({ \
const uint16_t pwmval = SYSCLOCK / 2000 / (val); \
TCCR3A = _BV(WGM31); \
TCCR3B = _BV(WGM33) | _BV(CS30); \
ICR3 = pwmval; \
OCR3A = pwmval / 3; \
})
#define TIMER_CONFIG_NORMAL() ({ \
TCCR3A = 0; \
TCCR3B = _BV(WGM32) | _BV(CS30); \
OCR3A = SYSCLOCK * USECPERTICK / 1000000; \
TCNT3 = 0; \
})
#if defined(CORE_OC3A_PIN)
#define TIMER_PWM_PIN CORE_OC3A_PIN /* Teensy */
#elif defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
#define TIMER_PWM_PIN 5 /* Arduino Mega */
#else
#error "Please add OC3A pin number here\n"
#endif
// defines for timer4 (10 bits, high speed option)
#elif defined(IR_USE_TIMER4_HS)
#define TIMER_RESET
#define TIMER_ENABLE_PWM (TCCR4A |= _BV(COM4A1))
#define TIMER_DISABLE_PWM (TCCR4A &= ~(_BV(COM4A1)))
#define TIMER_ENABLE_INTR (TIMSK4 = _BV(TOIE4))
#define TIMER_DISABLE_INTR (TIMSK4 = 0)
#define TIMER_INTR_NAME TIMER4_OVF_vect
#define TIMER_CONFIG_KHZ(val) ({ \
const uint16_t pwmval = SYSCLOCK / 2000 / (val); \
TCCR4A = (1<<PWM4A); \
TCCR4B = _BV(CS40); \
TCCR4C = 0; \
TCCR4D = (1<<WGM40); \
TCCR4E = 0; \
TC4H = pwmval >> 8; \
OCR4C = pwmval; \
TC4H = (pwmval / 3) >> 8; \
OCR4A = (pwmval / 3) & 255; \
})
#define TIMER_CONFIG_NORMAL() ({ \
TCCR4A = 0; \
TCCR4B = _BV(CS40); \
TCCR4C = 0; \
TCCR4D = 0; \
TCCR4E = 0; \
TC4H = (SYSCLOCK * USECPERTICK / 1000000) >> 8; \
OCR4C = (SYSCLOCK * USECPERTICK / 1000000) & 255; \
TC4H = 0; \
TCNT4 = 0; \
})
#if defined(CORE_OC4A_PIN)
#define TIMER_PWM_PIN CORE_OC4A_PIN /* Teensy */
#elif defined(__AVR_ATmega32U4__)
#define TIMER_PWM_PIN 13 /* Leonardo */
#else
#error "Please add OC4A pin number here\n"
#endif
// defines for timer4 (16 bits)
#elif defined(IR_USE_TIMER4)
#define TIMER_RESET
#define TIMER_ENABLE_PWM (TCCR4A |= _BV(COM4A1))
#define TIMER_DISABLE_PWM (TCCR4A &= ~(_BV(COM4A1)))
#define TIMER_ENABLE_INTR (TIMSK4 = _BV(OCIE4A))
#define TIMER_DISABLE_INTR (TIMSK4 = 0)
#define TIMER_INTR_NAME TIMER4_COMPA_vect
#define TIMER_CONFIG_KHZ(val) ({ \
const uint16_t pwmval = SYSCLOCK / 2000 / (val); \
TCCR4A = _BV(WGM41); \
TCCR4B = _BV(WGM43) | _BV(CS40); \
ICR4 = pwmval; \
OCR4A = pwmval / 3; \
})
#define TIMER_CONFIG_NORMAL() ({ \
TCCR4A = 0; \
TCCR4B = _BV(WGM42) | _BV(CS40); \
OCR4A = SYSCLOCK * USECPERTICK / 1000000; \
TCNT4 = 0; \
})
#if defined(CORE_OC4A_PIN)
#define TIMER_PWM_PIN CORE_OC4A_PIN
#elif defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
#define TIMER_PWM_PIN 6 /* Arduino Mega */
#else
#error "Please add OC4A pin number here\n"
#endif
// defines for timer5 (16 bits)
#elif defined(IR_USE_TIMER5)
#define TIMER_RESET
#define TIMER_ENABLE_PWM (TCCR5A |= _BV(COM5A1))
#define TIMER_DISABLE_PWM (TCCR5A &= ~(_BV(COM5A1)))
#define TIMER_ENABLE_INTR (TIMSK5 = _BV(OCIE5A))
#define TIMER_DISABLE_INTR (TIMSK5 = 0)
#define TIMER_INTR_NAME TIMER5_COMPA_vect
#define TIMER_CONFIG_KHZ(val) ({ \
const uint16_t pwmval = SYSCLOCK / 2000 / (val); \
TCCR5A = _BV(WGM51); \
TCCR5B = _BV(WGM53) | _BV(CS50); \
ICR5 = pwmval; \
OCR5A = pwmval / 3; \
})
#define TIMER_CONFIG_NORMAL() ({ \
TCCR5A = 0; \
TCCR5B = _BV(WGM52) | _BV(CS50); \
OCR5A = SYSCLOCK * USECPERTICK / 1000000; \
TCNT5 = 0; \
})
#if defined(CORE_OC5A_PIN)
#define TIMER_PWM_PIN CORE_OC5A_PIN
#elif defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
#define TIMER_PWM_PIN 46 /* Arduino Mega */
#else
#error "Please add OC5A pin number here\n"
#endif
#else // unknown timer
#error "Internal code configuration error, no known IR_USE_TIMER# defined\n"
#endif
// defines for blinking the LED
#if defined(CORE_LED0_PIN)
#define BLINKLED CORE_LED0_PIN
#define BLINKLED_ON() (digitalWrite(CORE_LED0_PIN, HIGH))
#define BLINKLED_OFF() (digitalWrite(CORE_LED0_PIN, LOW))
#elif defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
#define BLINKLED 13
#define BLINKLED_ON() (PORTB |= B10000000)
#define BLINKLED_OFF() (PORTB &= B01111111)
#elif defined(__AVR_ATmega644P__) || defined(__AVR_ATmega644__)
#define BLINKLED 0
#define BLINKLED_ON() (PORTD |= B00000001)
#define BLINKLED_OFF() (PORTD &= B11111110)
#else
#define BLINKLED 13
#define BLINKLED_ON() (PORTB |= B00100000)
#define BLINKLED_OFF() (PORTB &= B11011111)
#endif
#endif