/* * PinDefinitionsAndMore.h * * Contains pin definitions for IRremote examples for various platforms * as well as definitions for feedback LED and tone() and includes * * Copyright (C) 2021-2022 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 * ATtinyX5 0|PB0 4|PB4 3|PB3 * ATtiny167 3|PA3 2|PA2 7|PA7 ATTinyCore * ATtiny167 9|PA3 8|PA2 5|PA7 Digispark pro * ATtiny3217 18|PA1 19|PA2 20|PA3 MegaTinyCore * ATtiny1604 2 3|PA5 % * 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. /* * We do not have pin restrictions for this CPU's, so lets use the hardware PWM for send carrier signal generation */ #if defined(ESP32) || defined(ARDUINO_ARCH_RP2040) || defined(PARTICLE) #define SEND_PWM_BY_TIMER #endif #if 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_RECEIVE_PIN_STRING "D5" #define IR_SEND_PIN 12 // D6 - D4/pin 2 is internal LED #define IR_SEND_PIN_STRING "D6" #define _IR_TIMING_TEST_PIN 13 // D7 #define APPLICATION_PIN 0 // D3 #define tone(...) void() // tone() inhibits receive timer #define noTone(a) void() #define TONE_PIN 42 // Dummy for examples using it #elif defined(ESP32) #include #define TONE_LEDC_CHANNEL 1 // Using channel 1 makes tone() independent of receiving timer -> No need to stop receiving timer. void tone(uint8_t _pin, unsigned int frequency){ ledcAttachPin(_pin, TONE_LEDC_CHANNEL); ledcWriteTone(TONE_LEDC_CHANNEL, frequency); } void tone(uint8_t _pin, unsigned int frequency, unsigned long duration){ ledcAttachPin(_pin, TONE_LEDC_CHANNEL); ledcWriteTone(TONE_LEDC_CHANNEL, frequency); delay(duration); ledcWriteTone(TONE_LEDC_CHANNEL, 0); } void noTone(uint8_t _pin){ ledcWriteTone(TONE_LEDC_CHANNEL, 0); } #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 #elif defined(__AVR_ATtiny25__) || defined(__AVR_ATtiny45__) || defined(__AVR_ATtiny85__) // Digispark board #include "ATtinySerialOut.hpp" // Available as Arduino library "ATtinySerialOut". saves 370 bytes program space and 38 bytes RAM for digistump core #define IR_RECEIVE_PIN 0 #define IR_SEND_PIN 4 // Pin 2 is serial output with ATtinySerialOut. Pin 1 is internal LED and Pin3 is USB+ with pullup on Digispark board. #define TONE_PIN 3 #define _IR_TIMING_TEST_PIN 3 #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) #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 #define _IR_TIMING_TEST_PIN 10 // PA4 # else #define IR_RECEIVE_PIN 3 #define IR_SEND_PIN 2 #define TONE_PIN 7 # endif #elif defined(__AVR_ATtiny88__) // MH-ET Tiny88 board #include "ATtinySerialOut.hpp" // Available as Arduino library "ATtinySerialOut". Saves 128 bytes program space // Pin 6 is TX pin 7 is RX #define IR_RECEIVE_PIN 3 // INT1 #define IR_SEND_PIN 4 #define TONE_PIN 9 #define _IR_TIMING_TEST_PIN 8 #elif defined(__AVR_ATtiny1616__) || defined(__AVR_ATtiny3216__) || defined(__AVR_ATtiny3217__) // Tiny Core Dev board #define IR_RECEIVE_PIN 18 #define IR_SEND_PIN 19 #define TONE_PIN 20 #define APPLICATION_PIN 0 // PA4 #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 2 // PA6 #elif defined(__AVR_ATtiny1604__) #define IR_RECEIVE_PIN 2 // To be compatible with interrupt example, pin 2 is chosen here. #define IR_SEND_PIN 3 #define APPLICATION_PIN 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 #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 // to be compatible with the Arduino Nano RP2040 Connect (pin3) #define IR_SEND_PIN 16 #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) #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(__AVR__) // Default as for ATmega328 like on Uno, Nano 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 #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 // On the Zero and others we switch explicitly to SerialUSB #define Serial SerialUSB // Definitions for the Chinese SAMD21 M0-Mini clone, which has no led connected to D13/PA17. // Attention!!! D2 and D4 are switched 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 (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