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- //******************************************************************************
- // IRremote
- // Version 2.0.1 June, 2015
- // Copyright 2009 Ken Shirriff
- // For details, see http://arcfn.com/2009/08/multi-protocol-infrared-remote-library.html
- //
- // Modified by Paul Stoffregen <paul@pjrc.com> 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)
- // Whynter A/C ARC-110WD added by Francesco Meschia
- //******************************************************************************
- #ifndef IRremoteint_h
- #define IRremoteint_h
- //------------------------------------------------------------------------------
- // Include the right Arduino header
- //
- #if defined(ARDUINO) && (ARDUINO >= 100)
- # include <Arduino.h>
- #else
- # if !defined(IRPRONTO)
- # include <WProgram.h>
- # endif
- #endif
- //------------------------------------------------------------------------------
- // This handles definition and access to global variables
- //
- #ifdef IR_GLOBAL
- # define EXTERN
- #else
- # define EXTERN extern
- #endif
- //------------------------------------------------------------------------------
- // Information for the Interrupt Service Routine
- //
- #define RAWBUF 101 // Maximum length of raw duration buffer
- typedef
- struct {
- // The fields are ordered to reduce memory over caused by struct-padding
- uint8_t rcvstate; // State Machine state
- uint8_t recvpin; // Pin connected to IR data from detector
- uint8_t blinkpin;
- uint8_t blinkflag; // true -> enable blinking of pin on IR processing
- uint8_t rawlen; // counter of entries in rawbuf
- unsigned int timer; // State timer, counts 50uS ticks.
- unsigned int rawbuf[RAWBUF]; // raw data
- uint8_t overflow; // Raw buffer overflow occurred
- }
- irparams_t;
- // ISR State-Machine : Receiver States
- #define STATE_IDLE 2
- #define STATE_MARK 3
- #define STATE_SPACE 4
- #define STATE_STOP 5
- #define STATE_OVERFLOW 6
- // Allow all parts of the code access to the ISR data
- // NB. The data can be changed by the ISR at any time, even mid-function
- // Therefore we declare it as "volatile" to stop the compiler/CPU caching it
- EXTERN volatile irparams_t irparams;
- //------------------------------------------------------------------------------
- // 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
- //------------------------------------------------------------------------------
- // CPU Frequency
- //
- #ifdef F_CPU
- # define SYSCLOCK F_CPU // main Arduino clock
- #else
- # define SYSCLOCK 16000000 // main Arduino clock
- #endif
- //------------------------------------------------------------------------------
- // 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 ((X*50)-100) for the Mark and ((X*50)+100) for the Space.
- // First MARK is the one after the long gap
- // Pulse parameters in uSec
- //
- // Due to sensor lag, when received, Marks tend to be 100us too long and
- // Spaces tend to be 100us too short
- #define MARK_EXCESS 100
- // microseconds per clock interrupt tick
- #define USECPERTICK 50
- // Upper and Lower percentage tolerances in measurements
- #define TOLERANCE 25
- #define LTOL (1.0 - (TOLERANCE/100.))
- #define UTOL (1.0 + (TOLERANCE/100.))
- // Minimum gap between IR transmissions
- #define _GAP 5000
- #define GAP_TICKS (_GAP/USECPERTICK)
- #define TICKS_LOW(us) ((int)(((us)*LTOL/USECPERTICK)))
- #define TICKS_HIGH(us) ((int)(((us)*UTOL/USECPERTICK + 1)))
- //------------------------------------------------------------------------------
- // IR detector output is active low
- //
- #define MARK 0
- #define SPACE 1
- //------------------------------------------------------------------------------
- // 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 3.0 / Teensy 3.1
- #elif defined(__MK20DX128__) || defined(__MK20DX256__)
- #define IR_USE_TIMER_CMT // tx = pin 5
- // Teensy-LC
- #elif defined(__MKL26Z64__)
- #define IR_USE_TIMER_TPM1 // tx = pin 16
- // 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
- // ATtiny84
- #elif defined(__AVR_ATtiny84__)
- #define IR_USE_TIMER1 // tx = pin 6
- //ATtiny85
- #elif defined(__AVR_ATtiny85__)
- #define IR_USE_TIMER_TINY0 // tx = pin 1
- // Arduino Duemilanove, Diecimila, LilyPad, Mini, Fio, Nano, etc
- #else
- //#define IR_USE_TIMER1 // tx = pin 9
- #define IR_USE_TIMER2 // tx = pin 3
- #endif
- //------------------------------------------------------------------------------
- // Defines for Timer
- //---------------------------------------------------------
- // 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
- //---------------------------------------------------------
- // 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 &= ~_BV(OCIE1A))
- #else
- # define TIMER_ENABLE_INTR (TIMSK1 = _BV(OCIE1A))
- # define TIMER_DISABLE_INTR (TIMSK1 = 0)
- #endif
- //-----------------
- #define TIMER_INTR_NAME TIMER1_COMPA_vect
- #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_ATtiny84__)
- # define TIMER_PWM_PIN 6
- #else
- # define TIMER_PWM_PIN 9 // Arduino Duemilanove, Diecimila, LilyPad, etc
- #endif
- //---------------------------------------------------------
- // 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
- //---------------------------------------------------------
- // 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
- //---------------------------------------------------------
- // 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
- //---------------------------------------------------------
- // 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
- //---------------------------------------------------------
- // Special carrier modulator timer
- //
- #elif defined(IR_USE_TIMER_CMT)
- #define TIMER_RESET ({ \
- uint8_t tmp = CMT_MSC; \
- CMT_CMD2 = 30; \
- })
- #define TIMER_ENABLE_PWM do { \
- CORE_PIN5_CONFIG = PORT_PCR_MUX(2) | PORT_PCR_DSE | PORT_PCR_SRE; \
- } while(0)
- #define TIMER_DISABLE_PWM do { \
- CORE_PIN5_CONFIG = PORT_PCR_MUX(1) | PORT_PCR_DSE | PORT_PCR_SRE; \
- } while(0)
- #define TIMER_ENABLE_INTR NVIC_ENABLE_IRQ(IRQ_CMT)
- #define TIMER_DISABLE_INTR NVIC_DISABLE_IRQ(IRQ_CMT)
- #define TIMER_INTR_NAME cmt_isr
- //-----------------
- #ifdef ISR
- # undef ISR
- #endif
- #define ISR(f) void f(void)
- //-----------------
- #if (F_BUS == 48000000)
- # define CMT_PPS_VAL 5
- #else
- # define CMT_PPS_VAL 2
- #endif
- //-----------------
- #define TIMER_CONFIG_KHZ(val) ({ \
- SIM_SCGC4 |= SIM_SCGC4_CMT; \
- SIM_SOPT2 |= SIM_SOPT2_PTD7PAD; \
- CMT_PPS = CMT_PPS_VAL; \
- CMT_CGH1 = 2667 / val; \
- CMT_CGL1 = 5333 / val; \
- CMT_CMD1 = 0; \
- CMT_CMD2 = 30; \
- CMT_CMD3 = 0; \
- CMT_CMD4 = 0; \
- CMT_OC = 0x60; \
- CMT_MSC = 0x01; \
- })
- #define TIMER_CONFIG_NORMAL() ({ \
- SIM_SCGC4 |= SIM_SCGC4_CMT; \
- CMT_PPS = CMT_PPS_VAL; \
- CMT_CGH1 = 1; \
- CMT_CGL1 = 1; \
- CMT_CMD1 = 0; \
- CMT_CMD2 = 30 \
- CMT_CMD3 = 0; \
- CMT_CMD4 = 19; \
- CMT_OC = 0; \
- CMT_MSC = 0x03; \
- })
- #define TIMER_PWM_PIN 5
- // defines for TPM1 timer on Teensy-LC
- #elif defined(IR_USE_TIMER_TPM1)
- #define TIMER_RESET FTM1_SC |= FTM_SC_TOF;
- #define TIMER_ENABLE_PWM CORE_PIN16_CONFIG = PORT_PCR_MUX(3)|PORT_PCR_DSE|PORT_PCR_SRE
- #define TIMER_DISABLE_PWM CORE_PIN16_CONFIG = PORT_PCR_MUX(1)|PORT_PCR_SRE
- #define TIMER_ENABLE_INTR NVIC_ENABLE_IRQ(IRQ_FTM1)
- #define TIMER_DISABLE_INTR NVIC_DISABLE_IRQ(IRQ_FTM1)
- #define TIMER_INTR_NAME ftm1_isr
- #ifdef ISR
- #undef ISR
- #endif
- #define ISR(f) void f(void)
- #define TIMER_CONFIG_KHZ(val) ({ \
- SIM_SCGC6 |= SIM_SCGC6_TPM1; \
- FTM1_SC = 0; \
- FTM1_CNT = 0; \
- FTM1_MOD = (F_PLL/2000) / val - 1; \
- FTM1_C0V = (F_PLL/6000) / val - 1; \
- FTM1_SC = FTM_SC_CLKS(1) | FTM_SC_PS(0); \
- })
- #define TIMER_CONFIG_NORMAL() ({ \
- SIM_SCGC6 |= SIM_SCGC6_TPM1; \
- FTM1_SC = 0; \
- FTM1_CNT = 0; \
- FTM1_MOD = (F_PLL/40000) - 1; \
- FTM1_C0V = 0; \
- FTM1_SC = FTM_SC_CLKS(1) | FTM_SC_PS(0) | FTM_SC_TOF | FTM_SC_TOIE; \
- })
- #define TIMER_PWM_PIN 16
- // defines for timer_tiny0 (8 bits)
- #elif defined(IR_USE_TIMER_TINY0)
- #define TIMER_RESET
- #define TIMER_ENABLE_PWM (TCCR0A |= _BV(COM0B1))
- #define TIMER_DISABLE_PWM (TCCR0A &= ~(_BV(COM0B1)))
- #define TIMER_ENABLE_INTR (TIMSK |= _BV(OCIE0A))
- #define TIMER_DISABLE_INTR (TIMSK &= ~(_BV(OCIE0A)))
- #define TIMER_INTR_NAME TIMER0_COMPA_vect
- #define TIMER_CONFIG_KHZ(val) ({ \
- const uint8_t pwmval = SYSCLOCK / 2000 / (val); \
- TCCR0A = _BV(WGM00); \
- TCCR0B = _BV(WGM02) | _BV(CS00); \
- OCR0A = pwmval; \
- OCR0B = pwmval / 3; \
- })
- #define TIMER_COUNT_TOP (SYSCLOCK * USECPERTICK / 1000000)
- #if (TIMER_COUNT_TOP < 256)
- #define TIMER_CONFIG_NORMAL() ({ \
- TCCR0A = _BV(WGM01); \
- TCCR0B = _BV(CS00); \
- OCR0A = TIMER_COUNT_TOP; \
- TCNT0 = 0; \
- })
- #else
- #define TIMER_CONFIG_NORMAL() ({ \
- TCCR0A = _BV(WGM01); \
- TCCR0B = _BV(CS01); \
- OCR0A = TIMER_COUNT_TOP / 8; \
- TCNT0 = 0; \
- })
- #endif
- #define TIMER_PWM_PIN 1 /* ATtiny85 */
- //---------------------------------------------------------
- // Unknown Timer
- //
- #else
- # error "Internal code configuration error, no known IR_USE_TIMER# defined\n"
- #endif
- #endif
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