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PinDefinitionsAndMore.h
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/*
* PinDefinitionsAndMore.h
*
* Contains pin definitions for IRremote examples for various platforms
* as well as definitions for feedback LED and tone() and includes
*
* Copyright (C) 2021-2023 Armin Joachimsmeyer
*
* This file is part of IRremote https://github.com/Arduino-IRremote/Arduino-IRremote.
*
* Arduino-IRremote is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/gpl.html>.
*
*/
/*
* Pin mapping table for different platforms
*
* Platform IR input IR output Tone Core/Pin schema
* --------------------------------------------------------------
* DEFAULT/AVR 2 3 4 Arduino
* ATtinyX5 0|PB0 4|PB4 3|PB3 ATTinyCore
* ATtiny167 3|PA3 2|PA2 7|PA7 ATTinyCore
* ATtiny167 9|PA3 8|PA2 5|PA7 Digispark original core
* ATtiny84 |PB2 |PA4 |PA3 ATTinyCore
* ATtiny88 3|PD3 4|PD4 9|PB1 ATTinyCore
* ATtiny3217 18|PA1 19|PA2 20|PA3 MegaTinyCore
* ATtiny1604 2 3|PA5 %
* ATtiny816 14|PA1 16|PA3 1|PA5 MegaTinyCore
* ATtiny1614 8|PA1 10|PA3 1|PA5 MegaTinyCore
* SAMD21 3 4 5
* ESP8266 14|D5 12|D6 %
* ESP32 15 4 27
* ESP32-C3 2 3 4
* BluePill PA6 PA7 PA3
* APOLLO3 11 12 5
* RP2040 3|GPIO15 4|GPIO16 5|GPIO17
*/
//#define _IR_MEASURE_TIMING // For debugging purposes.
#if defined(__AVR__)
#if defined(__AVR_ATtiny25__) || defined(__AVR_ATtiny45__) || defined(__AVR_ATtiny85__) // Digispark board. For use with ATTinyCore.
#include "ATtinySerialOut.hpp" // TX is at pin 2 - Available as Arduino library "ATtinySerialOut". Saves 700 bytes program memory and 70 bytes RAM for ATtinyCore.
#define IR_RECEIVE_PIN PIN_PB0
#define IR_SEND_PIN PIN_PB4 // Pin 2 is serial output with ATtinySerialOut. Pin 1 is internal LED and Pin3 is USB+ with pullup on Digispark board.
#define TONE_PIN PIN_PB3
#define _IR_TIMING_TEST_PIN PIN_PB3
# elif defined(__AVR_ATtiny87__) || defined(__AVR_ATtiny167__) // Digispark pro board
#include "ATtinySerialOut.hpp" // Available as Arduino library "ATtinySerialOut"
// For ATtiny167 Pins PB6 and PA3 are usable as interrupt source.
# if defined(ARDUINO_AVR_DIGISPARKPRO)
// For use with Digispark original core
#define IR_RECEIVE_PIN 9 // PA3 - on Digispark board labeled as pin 9
//#define IR_RECEIVE_PIN 14 // PB6 / INT0 is connected to USB+ on DigisparkPro boards
#define IR_SEND_PIN 8 // PA2 - on Digispark board labeled as pin 8
#define TONE_PIN 5 // PA7 - on Digispark board labeled as pin 5
#define _IR_TIMING_TEST_PIN 10 // PA4
# else
// For use with ATTinyCore
#define IR_RECEIVE_PIN PIN_PA3 // On Digispark board labeled as pin 9 - INT0 is connected to USB+ on DigisparkPro boards
#define IR_SEND_PIN PIN_PA2 // On Digispark board labeled as pin 8
#define TONE_PIN PIN_PA7 // On Digispark board labeled as pin 5
# endif
# elif defined(__AVR_ATtiny84__) // For use with ATTinyCore
#include "ATtinySerialOut.hpp" // Available as Arduino library "ATtinySerialOut". Saves 128 bytes program memory.
#define IR_RECEIVE_PIN PIN_PB2 // INT0
#define IR_SEND_PIN PIN_PA4
#define TONE_PIN PIN_PA3
#define _IR_TIMING_TEST_PIN PIN_PA5
# elif defined(__AVR_ATtiny88__) // MH-ET Tiny88 board. For use with ATTinyCore.
#include "ATtinySerialOut.hpp" // Available as Arduino library "ATtinySerialOut". Saves 128 bytes program memory.
// Pin 6 is TX, pin 7 is RX
#define IR_RECEIVE_PIN PIN_PD3 // 3 - INT1
#define IR_SEND_PIN PIN_PD4 // 4
#define TONE_PIN PIN_PB1 // 9
#define _IR_TIMING_TEST_PIN PIN_PB0 // 8
# elif defined(__AVR_ATtiny1616__) || defined(__AVR_ATtiny3216__) || defined(__AVR_ATtiny3217__) // For use with megaTinyCore
// Tiny Core Dev board
// https://www.tindie.com/products/xkimi/tiny-core-16-dev-board-attiny1616/ - Out of Stock
// https://www.tindie.com/products/xkimi/tiny-core-32-dev-board-attiny3217/ - Out of Stock
#define IR_RECEIVE_PIN PIN_PA1 // use 18 instead of PIN_PA1 for TinyCore32
#define IR_SEND_PIN PIN_PA2 // 19
#define TONE_PIN PIN_PA3 // 20
#define APPLICATION_PIN PIN_PA0 // 0
#undef LED_BUILTIN // No LED available on the TinyCore 32 board, take the one on the programming board which is connected to the DAC output
#define LED_BUILTIN PIN_PA6 // use 2 instead of PIN_PA6 for TinyCore32
# elif defined(__AVR_ATtiny816__) // For use with megaTinyCore
#define IR_RECEIVE_PIN PIN_PA1 // 14
#define IR_SEND_PIN PIN_PA1 // 16
#define TONE_PIN PIN_PA5 // 1
#define APPLICATION_PIN PIN_PA4 // 0
#undef LED_BUILTIN // No LED available, take the one which is connected to the DAC output
#define LED_BUILTIN PIN_PB5 // 4
# elif defined(__AVR_ATtiny1614__) // For use with megaTinyCore
#define IR_RECEIVE_PIN PIN_PA1 // 8
#define IR_SEND_PIN PIN_PA3 // 10
#define TONE_PIN PIN_PA5 // 1
#define APPLICATION_PIN PIN_PA4 // 0
# elif defined(__AVR_ATtiny1604__) // For use with megaTinyCore
#define IR_RECEIVE_PIN PIN_PA6 // 2 - To be compatible with interrupt example, pin 2 is chosen here.
#define IR_SEND_PIN PIN_PA7 // 3
#define APPLICATION_PIN PIN_PB2 // 5
#define tone(...) void() // Define as void, since TCB0_INT_vect is also used by tone()
#define noTone(a) void()
#define TONE_PIN 42 // Dummy for examples using it
# 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__) \
|| defined(__AVR_ATmega64__) || defined(__AVR_ATmega128__) \
|| defined(__AVR_ATmega1281__) || defined(__AVR_ATmega2561__) \
|| defined(__AVR_ATmega8515__) || defined(__AVR_ATmega162__)
#define IR_RECEIVE_PIN 2
#define IR_SEND_PIN 13
#define TONE_PIN 4
#define APPLICATION_PIN 5
#define ALTERNATIVE_IR_FEEDBACK_LED_PIN 6 // E.g. used for examples which use LED_BUILDIN for example output.
#define _IR_TIMING_TEST_PIN 7
# else // Default as for ATmega328 like on Uno, Nano, Leonardo, Teensy 2.0 etc.
#define IR_RECEIVE_PIN 2 // To be compatible with interrupt example, pin 2 is chosen here.
#define IR_SEND_PIN 3
#define TONE_PIN 4
#define APPLICATION_PIN 5
#define ALTERNATIVE_IR_FEEDBACK_LED_PIN 6 // E.g. used for examples which use LED_BUILDIN for example output.
#define _IR_TIMING_TEST_PIN 7
# if defined(ARDUINO_AVR_PROMICRO) // Sparkfun Pro Micro is __AVR_ATmega32U4__ but has different external circuit
// We have no built in LED at pin 13 -> reuse RX LED
#undef LED_BUILTIN
#define LED_BUILTIN LED_BUILTIN_RX
# endif
# endif // defined(__AVR_ATtiny25__)...
#elif defined(ARDUINO_ARCH_RENESAS_UNO) // Uno R4
// To be compatible with Uno R3.
#define IR_RECEIVE_PIN 2
#define IR_SEND_PIN 3
#define TONE_PIN 4
#define APPLICATION_PIN 5
#define ALTERNATIVE_IR_FEEDBACK_LED_PIN 6 // E.g. used for examples which use LED_BUILDIN for example output.
#define _IR_TIMING_TEST_PIN 7
#elif defined(ESP8266)
#define FEEDBACK_LED_IS_ACTIVE_LOW // The LED on my board (D4) is active LOW
#define IR_RECEIVE_PIN 14 // D5
#define IR_SEND_PIN 12 // D6 - D4/pin 2 is internal LED
#define _IR_TIMING_TEST_PIN 2 // D4
#define APPLICATION_PIN 13 // D7
#define tone(...) void() // tone() inhibits receive timer
#define noTone(a) void()
#define TONE_PIN 42 // Dummy for examples using it#
#elif defined(ARDUINO_NOLOGO_ESP32C3_SUPER_MINI)
#define FEEDBACK_LED_IS_ACTIVE_LOW // The LED on my board (D8) is active LOW
#define IR_RECEIVE_PIN 2
#define IR_SEND_PIN 3
#define TONE_PIN 4
#define APPLICATION_PIN 10
#elif defined(CONFIG_IDF_TARGET_ESP32C3) || defined(ARDUINO_ESP32C3_DEV)
#define NO_LED_FEEDBACK_CODE // The WS2812 on pin 8 of AI-C3 board crashes if used as receive feedback LED, other I/O pins are working...
#define IR_RECEIVE_PIN 6
#define IR_SEND_PIN 7
#define TONE_PIN 10
#define APPLICATION_PIN 18
#elif defined(ESP32)
#include <Arduino.h>
// tone() is included in ESP32 core since 2.0.2
#if !defined(ESP_ARDUINO_VERSION_VAL)
#define ESP_ARDUINO_VERSION_VAL(major, minor, patch) 12345678
#endif
#if ESP_ARDUINO_VERSION <= ESP_ARDUINO_VERSION_VAL(2, 0, 2)
#define TONE_LEDC_CHANNEL 1 // Using channel 1 makes tone() independent of receiving timer -> No need to stop receiving timer.
void tone(uint8_t aPinNumber, unsigned int aFrequency){
ledcAttachPin(aPinNumber, TONE_LEDC_CHANNEL);
ledcWriteTone(TONE_LEDC_CHANNEL, aFrequency);
}
void tone(uint8_t aPinNumber, unsigned int aFrequency, unsigned long aDuration){
ledcAttachPin(aPinNumber, TONE_LEDC_CHANNEL);
ledcWriteTone(TONE_LEDC_CHANNEL, aFrequency);
delay(aDuration);
ledcWriteTone(TONE_LEDC_CHANNEL, 0);
}
void noTone(uint8_t aPinNumber){
ledcWriteTone(TONE_LEDC_CHANNEL, 0);
}
#endif // ESP_ARDUINO_VERSION <= ESP_ARDUINO_VERSION_VAL(2, 0, 2)
#define IR_RECEIVE_PIN 15 // D15
#define IR_SEND_PIN 4 // D4
#define TONE_PIN 27 // D27 25 & 26 are DAC0 and 1
#define APPLICATION_PIN 16 // RX2 pin
#elif defined(ARDUINO_ARCH_STM32) || defined(ARDUINO_ARCH_STM32F1) // BluePill
// Timer 3 blocks PA6, PA7, PB0, PB1 for use by Servo or tone()
#define IR_RECEIVE_PIN PA6
#define IR_RECEIVE_PIN_STRING "PA6"
#define IR_SEND_PIN PA7
#define IR_SEND_PIN_STRING "PA7"
#define TONE_PIN PA3
#define _IR_TIMING_TEST_PIN PA5
#define APPLICATION_PIN PA2
#define APPLICATION_PIN_STRING "PA2"
# if defined(ARDUINO_GENERIC_STM32F103C) || defined(ARDUINO_BLUEPILL_F103C8)
// BluePill LED is active low
#define FEEDBACK_LED_IS_ACTIVE_LOW
# endif
#elif defined(ARDUINO_ARCH_APOLLO3) // Sparkfun Apollo boards
#define IR_RECEIVE_PIN 11
#define IR_SEND_PIN 12
#define TONE_PIN 5
#elif defined(ARDUINO_ARCH_MBED) && defined(ARDUINO_ARCH_MBED_NANO) // Arduino Nano 33 BLE and Arduino Nano Connect layout for MBED
// Must be before ARDUINO_ARCH_RP2040, since it is the layout for the MBED core of Arduino Nano Connect
#define IR_RECEIVE_PIN 3 // GPIO15 Start with pin 3 since pin 2|GPIO25 is connected to LED on Pi pico
#define IR_SEND_PIN 4 // GPIO16
#define TONE_PIN 5
#define APPLICATION_PIN 6
#define ALTERNATIVE_IR_FEEDBACK_LED_PIN 7 // E.g. used for examples which use LED_BUILDIN for example output.
#define _IR_TIMING_TEST_PIN 8
#elif defined(ARDUINO_ARCH_RP2040) // Arduino Nano Connect, Pi Pico with arduino-pico core https://github.com/earlephilhower/arduino-pico
#define IR_RECEIVE_PIN 15 // GPIO15 to be compatible with the Arduino Nano RP2040 Connect (pin3)
#define IR_SEND_PIN 16 // GPIO16
#define TONE_PIN 17
#define APPLICATION_PIN 18
#define ALTERNATIVE_IR_FEEDBACK_LED_PIN 19 // E.g. used for examples which use LED_BUILDIN for example output.
#define _IR_TIMING_TEST_PIN 20
// If you program the Nano RP2040 Connect with this core, then you must redefine LED_BUILTIN
// and use the external reset with 1 kOhm to ground to enter UF2 mode
#undef LED_BUILTIN
#define LED_BUILTIN 6
#elif defined(PARTICLE) // !!!UNTESTED!!!
#define IR_RECEIVE_PIN A4
#define IR_SEND_PIN A5 // Particle supports multiple pins
#define LED_BUILTIN D7
/*
* 4 times the same (default) layout for easy adaption in the future
*/
#elif defined(TEENSYDUINO) // Teensy 2.0 is handled at default for ATmega328 like on Uno, Nano, Leonardo etc.
#define IR_RECEIVE_PIN 2
#define IR_SEND_PIN 3
#define TONE_PIN 4
#define APPLICATION_PIN 5
#define ALTERNATIVE_IR_FEEDBACK_LED_PIN 6 // E.g. used for examples which use LED_BUILDIN for example output.
#define _IR_TIMING_TEST_PIN 7
#elif defined(ARDUINO_ARCH_MBED) // Arduino Nano 33 BLE
#define IR_RECEIVE_PIN 2
#define IR_SEND_PIN 3
#define TONE_PIN 4
#define APPLICATION_PIN 5
#define ALTERNATIVE_IR_FEEDBACK_LED_PIN 6 // E.g. used for examples which use LED_BUILDIN for example output.
#define _IR_TIMING_TEST_PIN 7
#elif defined(ARDUINO_ARCH_SAMD) || defined(ARDUINO_ARCH_SAM)
#define IR_RECEIVE_PIN 2
#define IR_SEND_PIN 3
#define TONE_PIN 4
#define APPLICATION_PIN 5
#define ALTERNATIVE_IR_FEEDBACK_LED_PIN 6 // E.g. used for examples which use LED_BUILDIN for example output.
#define _IR_TIMING_TEST_PIN 7
#if !defined(ARDUINO_SAMD_ADAFRUIT) && !defined(ARDUINO_SEEED_XIAO_M0)
// On the Zero and others we switch explicitly to SerialUSB
#define Serial SerialUSB
#endif
// Definitions for the Chinese SAMD21 M0-Mini clone, which has no led connected to D13/PA17.
// Attention!!! D2 and D4 are swapped on these boards!!!
// If you connect the LED, it is on pin 24/PB11. In this case activate the next two lines.
//#undef LED_BUILTIN
//#define LED_BUILTIN 24 // PB11
// As an alternative you can choose pin 25, it is the RX-LED pin (PB03), but active low.In this case activate the next 3 lines.
//#undef LED_BUILTIN
//#define LED_BUILTIN 25 // PB03
//#define FEEDBACK_LED_IS_ACTIVE_LOW // The RX LED on the M0-Mini is active LOW
#elif defined (NRF51) // BBC micro:bit
#define IR_RECEIVE_PIN 2
#define IR_SEND_PIN 3
#define APPLICATION_PIN 1
#define _IR_TIMING_TEST_PIN 4
#define tone(...) void() // no tone() available
#define noTone(a) void()
#define TONE_PIN 42 // Dummy for examples using it
#else
#warning Board / CPU is not detected using pre-processor symbols -> using default values, which may not fit. Please extend PinDefinitionsAndMore.h.
// Default valued for unidentified boards
#define IR_RECEIVE_PIN 2
#define IR_SEND_PIN 3
#define TONE_PIN 4
#define APPLICATION_PIN 5
#define ALTERNATIVE_IR_FEEDBACK_LED_PIN 6 // E.g. used for examples which use LED_BUILDIN for example output.
#define _IR_TIMING_TEST_PIN 7
#endif // defined(ESP8266)
#if defined(ESP32) || defined(ARDUINO_ARCH_RP2040) || defined(PARTICLE) || defined(ARDUINO_ARCH_MBED)
#define SEND_PWM_BY_TIMER // We do not have pin restrictions for this CPU's, so lets use the hardware PWM for send carrier signal generation
#else
# if defined(SEND_PWM_BY_TIMER)
#undef IR_SEND_PIN // SendPin is determined by timer! This avoids warnings in IRremote.hpp and IRTimer.hpp
# endif
#endif
#if !defined (FLASHEND)
#define FLASHEND 0xFFFF // Dummy value for platforms where FLASHEND is not defined
#endif
/*
* Helper macro for getting a macro definition as string
*/
#if !defined(STR_HELPER)
#define STR_HELPER(x) #x
#define STR(x) STR_HELPER(x)
#endif