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Mikanum/IRremote/boarddefs.h

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2023-01-19 08:45:51 +01:00
//******************************************************************************
// 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(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 ({ \
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
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