/*
 *  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 <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
 * ATtiny3216  14|PA1      15|PA2      16|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 // 14 use 18 instead of PIN_PA1 for TinyCore32
#define IR_SEND_PIN      PIN_PA2 // 15, 19 for TinyCore32
#define TONE_PIN         PIN_PA3 // 16, 20 for TinyCore32
#define APPLICATION_PIN  PIN_PC3 // 13, PIN_PA0 is RESET
#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
