/* * 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 * armin.joachimsmeyer@gmail.com * * 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 . * */ /* * 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 * 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(CONFIG_IDF_TARGET_ESP32C3) #define IR_RECEIVE_PIN 8 #define IR_SEND_PIN 9 #define TONE_PIN 10 // ADC2_0 #define APPLICATION_PIN 11 #elif defined(ESP32) #include // 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 #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 #if !defined (RAMEND) #define RAMEND 0xFFFF // Dummy value for platforms where RAMEND is not defined #endif #if !defined (RAMSIZE) #define RAMSIZE 0xFFFF // Dummy value for platforms where RAMSIZE 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