//******************************************************************************

// 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 <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 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(__AVR_ATtiny167__) || defined(__AVR_ATtiny87__)

#define IR_USE_TIMER_TINY1 // 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<<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 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 ({ \

#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 */

// defines for timer_tiny1 (16 bits) ATtiny167 timer1 - using X port (PB3)

#elif defined(IR_USE_TIMER_TINY1)

#define TIMER_RESET

#define TIMER_ENABLE_PWM (TCCR1A |= (_BV(COM1B1)))

#define TIMER_DISABLE_PWM (TCCR1A &= ~(_BV(COM1B1)))

#define TIMER_ENABLE_INTR (TIMSK1 |= _BV(OCIE1A))

#define TIMER_DISABLE_INTR (TIMSK1 &= ~(_BV(OCIE1A)))

#define TIMER_INTR_NAME TIMER0_COMPA_vect

#define TIMER_CONFIG_KHZ(val) ({ \

const uint8_t pwmval = SYSCLOCK / 2000 / (val); \

TCCR1A = _BV(WGM11) | _BV(WGM10); \

TCCR1B = _BV(WGM13) | _BV(CS10); \

TCCR1D = _BV(OC1BV); \

DDRB = _BV(DDB3); \

OCR1A = pwmval; \

OCR1B = pwmval / 3; \

})

#define TIMER_COUNT_TOP (SYSCLOCK * USECPERTICK / 1000000)

#if (TIMER_COUNT_TOP < 256)

#define TIMER_CONFIG_NORMAL() ({ \

TCCR1B = _BV(WGM12) | _BV(CS10); \

OCR1A = TIMER_COUNT_TOP; \

TCNT1 = 0; \

})

#else

#define TIMER_CONFIG_NORMAL() ({ \

TCCR1B = _BV(WGM12) | _BV(CS11); \

OCR1A = TIMER_COUNT_TOP / 8; \

TCNT1 = 0; \

})

#endif

#define SEND_PIN 4 /* ATtiny167 */

//---------------------------------------------------------

// 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