//****************************************************************************** // 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 // This file contains all board specific information. It was previously contained within // IRremoteInt.h // Modified by Paul Stoffregen 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 boarddefs_h #define boarddefs_h // Define some defaults, that some boards may like to override // (This is to avoid negative logic, ! DONT_... is just awkward.) // This board has/needs the avr/interrupt.h #define HAS_AVR_INTERRUPT_H // Define if sending is supported #define SENDING_SUPPORTED // If defined, a standard enableIRIn function will be define. // Undefine for boards supplying their own. #define USE_DEFAULT_ENABLE_IR_IN // Duty cycle in percent for sent signals. Presently takes effect only with USE_SOFT_CARRIER #define DUTY_CYCLE 50 // If USE_SOFT_CARRIER, this amount (in micro seconds) is subtracted from the // on-time of the pulses. #define PULSE_CORRECTION 3 // digitalWrite is supposed to be slow. If this is an issue, define faster, // board-dependent versions of these macros SENDPIN_ON(pin) and SENDPIN_OFF(pin). // Portable, possibly slow, default definitions are given at the end of this file. // If defining new versions, feel free to ignore the pin argument if it // is not configurable on the current board. //------------------------------------------------------------------------------ // 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) #elif defined(ARDUINO_ARCH_SAM) || defined(ARDUINO_ARCH_SAMD) # define BLINKLED LED_BUILTIN # define BLINKLED_ON() (digitalWrite(LED_BUILTIN, HIGH)) # define BLINKLED_OFF() (digitalWrite(LED_BUILTIN, LOW)) # define USE_SOFT_CARRIER // Define to use spin wait instead of delayMicros() //# define USE_SPIN_WAIT # undef USE_DEFAULT_ENABLE_IR_IN // The default pin used used for sending. # define SEND_PIN 9 #elif defined(ESP32) // No system LED on ESP32, disable blinking by NOT defining BLINKLED // avr/interrupt.h is not present # undef HAS_AVR_INTERRUPT_H // Sending not implemented # undef SENDING_SUPPORTED# // Supply own enbleIRIn # undef USE_DEFAULT_ENABLE_IR_IN #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 // microseconds per clock interrupt tick #define USECPERTICK 50 //------------------------------------------------------------------------------ // 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__) || defined(__MK64FX512__) || defined(__MK66FX1M0__) #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 // MightyCore - ATmega1284 #elif defined(__AVR_ATmega1284__) || defined(__AVR_ATmega1284P__) //#define IR_USE_TIMER1 // tx = pin 13 #define IR_USE_TIMER2 // tx = pin 14 //#define IR_USE_TIMER3 // tx = pin 6 // MightyCore - ATmega164, ATmega324, ATmega644 #elif defined(__AVR_ATmega644__) || defined(__AVR_ATmega644P__) \ || defined(__AVR_ATmega324P__) || defined(__AVR_ATmega324A__) \ || defined(__AVR_ATmega324PA__) || defined(__AVR_ATmega164A__) \ || defined(__AVR_ATmega164P__) //#define IR_USE_TIMER1 // tx = pin 13 #define IR_USE_TIMER2 // tx = pin 14 //MegaCore - ATmega64, ATmega128 #elif defined(__AVR_ATmega64__) || defined(__AVR_ATmega128__) #define IR_USE_TIMER1 // tx = pin 13 // MightyCore - ATmega8535, ATmega16, ATmega32 #elif defined(__AVR_ATmega8535__) || defined(__AVR_ATmega16__) || defined(__AVR_ATmega32__) #define IR_USE_TIMER1 // tx = pin 13 // Atmega8 #elif 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 #elif defined(ESP32) #define IR_TIMER_USE_ESP32 #elif defined(ARDUINO_ARCH_SAM) || defined(ARDUINO_ARCH_SAMD) #define TIMER_PRESCALER_DIV 64 #else // Arduino Duemilanove, Diecimila, LilyPad, Mini, Fio, Nano, etc // ATmega48, ATmega88, ATmega168, ATmega328 //#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 SEND_PIN CORE_OC2B_PIN // Teensy #elif defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__) # define SEND_PIN 9 // Arduino Mega #elif defined(__AVR_ATmega1284__) || defined(__AVR_ATmega1284P__) \ || defined(__AVR_ATmega644__) || defined(__AVR_ATmega644P__) \ || defined(__AVR_ATmega324P__) || defined(__AVR_ATmega324A__) \ || defined(__AVR_ATmega324PA__) || defined(__AVR_ATmega164A__) \ || defined(__AVR_ATmega164P__) # define SEND_PIN 14 // MightyCore #else # define SEND_PIN 3 // Arduino Duemilanove, Diecimila, LilyPad, etc #endif // ATmega48, ATmega88, ATmega168, ATmega328 //--------------------------------------------------------- // 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_ATmega8__) || defined(__AVR_ATmega8535__) \ || defined(__AVR_ATmega16__) || defined(__AVR_ATmega32__) \ || defined(__AVR_ATmega64__) || defined(__AVR_ATmega128__) # 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 SEND_PIN CORE_OC1A_PIN // Teensy #elif defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__) # define SEND_PIN 11 // Arduino Mega #elif defined(__AVR_ATmega64__) || defined(__AVR_ATmega128__) # define SEND_PIN 13 // MegaCore #elif defined(__AVR_ATmega1284__) || defined(__AVR_ATmega1284P__) \ || defined(__AVR_ATmega644__) || defined(__AVR_ATmega644P__) \ || defined(__AVR_ATmega324P__) || defined(__AVR_ATmega324A__) \ || defined(__AVR_ATmega324PA__) || defined(__AVR_ATmega164A__) \ || defined(__AVR_ATmega164P__) || defined(__AVR_ATmega32__) \ || defined(__AVR_ATmega16__) || defined(__AVR_ATmega8535__) # define SEND_PIN 13 // MightyCore #elif defined(__AVR_ATtiny84__) # define SEND_PIN 6 #else # define SEND_PIN 9 // Arduino Duemilanove, Diecimila, LilyPad, etc #endif // ATmega48, ATmega88, ATmega168, ATmega328 //--------------------------------------------------------- // 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 SEND_PIN CORE_OC3A_PIN // Teensy #elif defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__) # define SEND_PIN 5 // Arduino Mega #elif defined(__AVR_ATmega1284__) || defined(__AVR_ATmega1284P__) # define SEND_PIN 6 // MightyCore #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<> 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 SEND_PIN CORE_OC4A_PIN // Teensy #elif defined(__AVR_ATmega32U4__) # define SEND_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 SEND_PIN CORE_OC4A_PIN #elif defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__) # define SEND_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 SEND_PIN CORE_OC5A_PIN #elif defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__) # define SEND_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 __attribute__((unused)) = 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) //----------------- #define CMT_PPS_DIV ((F_BUS + 7999999) / 8000000) #if F_BUS < 8000000 #error IRremote requires at least 8 MHz on Teensy 3.x #endif //----------------- #define TIMER_CONFIG_KHZ(val) ({ \ SIM_SCGC4 |= SIM_SCGC4_CMT; \ SIM_SOPT2 |= SIM_SOPT2_PTD7PAD; \ CMT_PPS = CMT_PPS_DIV - 1; \ CMT_CGH1 = ((F_BUS / CMT_PPS_DIV / 3000) + ((val)/2)) / (val); \ CMT_CGL1 = ((F_BUS / CMT_PPS_DIV / 1500) + ((val)/2)) / (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_DIV - 1; \ CMT_CGH1 = 1; \ CMT_CGL1 = 1; \ CMT_CMD1 = 0; \ CMT_CMD2 = 30; \ CMT_CMD3 = 0; \ CMT_CMD4 = (F_BUS / 160000 + CMT_PPS_DIV / 2) / CMT_PPS_DIV - 31; \ CMT_OC = 0; \ CMT_MSC = 0x03; \ }) #define SEND_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 SEND_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 SEND_PIN 1 /* ATtiny85 */ //--------------------------------------------------------- // ESP32 (ESP8266 should likely be added here too) // // ESP32 has it own timer API and does not use these macros, but to avoid ifdef'ing // them out in the common code, they are defined to no-op. This allows the code to compile // (which it wouldn't otherwise) but irsend will not work until ESP32 specific code is written // for that -- merlin // As a warning, sending timing specific code from an ESP32 can be challenging if you need 100% // reliability because the arduino code may be interrupted and cause your sent waveform to be the // wrong length. This is specifically an issue for neopixels which require 800Khz resolution. // IR may just work as is with the common code since it's lower frequency, but if not, the other // way to do this on ESP32 is using the RMT built in driver like in this incomplete library below // https://github.com/ExploreEmbedded/ESP32_RMT #elif defined(IR_TIMER_USE_ESP32) #define TIMER_RESET #ifdef ISR # undef ISR #endif #define ISR(f) void IRTimer() #elif defined(ARDUINO_ARCH_SAM) || defined(ARDUINO_ARCH_SAMD) // use timer 3 hardcoded at this time #define TIMER_RESET #define TIMER_ENABLE_PWM // Not presently used #define TIMER_DISABLE_PWM #define TIMER_ENABLE_INTR NVIC_EnableIRQ(TC3_IRQn) // Not presently used #define TIMER_DISABLE_INTR NVIC_DisableIRQ(TC3_IRQn) #define TIMER_INTR_NAME TC3_Handler // Not presently used #define TIMER_CONFIG_KHZ(f) #ifdef ISR # undef ISR #endif #define ISR(f) void irs() //--------------------------------------------------------- // Unknown Timer // #else # error "Internal code configuration error, no known IR_USE_TIMER# defined\n" #endif // Provide default definitions, portable but possibly slower than necessary. #ifndef SENDPIN_ON #define SENDPIN_ON(pin) digitalWrite(pin, HIGH) #endif #ifndef SENDPIN_OFF #define SENDPIN_OFF(pin) digitalWrite(pin, LOW) #endif #endif // ! boarddefs_h