decode.cpp

#include <string>
#include <Arduino.h>
#define IR_RECEIVE_PIN 10

#if !defined(RAW_BUFFER_LENGTH)
#if RAMEND <= 0x4FF || RAMSIZE < 0x4FF
#define RAW_BUFFER_LENGTH 200 // 750 (600 if we have only 2k RAM) is the value for air condition remotes. Default is 112 if DECODE_MAGIQUEST is enabled, otherwise 100.
#elif RAMEND <= 0x8FF || RAMSIZE < 0x8FF
#define RAW_BUFFER_LENGTH 600 // 750 (600 if we have only 2k RAM) is the value for air condition remotes. Default is 112 if DECODE_MAGIQUEST is enabled, otherwise 100.
#else
#define RAW_BUFFER_LENGTH 750 // 750 (600 if we have only 2k RAM) is the value for air condition remotes. Default is 112 if DECODE_MAGIQUEST is enabled, otherwise 100.
#endif
#endif

// #define MICROS_PER_TICK 25L // must be with L to get 32 bit results if multiplied with rawbuf[] content.

/*
 * MARK_EXCESS_MICROS is subtracted from all marks and added to all spaces before decoding,
 * to compensate for the signal forming of different IR receiver modules. See also IRremote.hpp line 142.
 *
 * You can change this value accordingly to the receiver module you use.
 * The required value can be derived from the timings printed here.
 * Keep in mind that the timings may change with the distance
 * between sender and receiver as well as with the ambient light intensity.
 */
#define MARK_EXCESS_MICROS 20 // Adapt it to your IR receiver module. 20 is recommended for the cheap VS1838 modules.

// #define RECORD_GAP_MICROS 12000 // Default is 5000. Activate it for some LG air conditioner protocols
// #define DEBUG // Activate this for lots of lovely debug output from the decoders.

#include <IRremote.hpp>

//+=============================================================================
// Configure the Arduino
//
void setup()
{

  Serial.begin(115200); // Status message will be sent to PC at 9600 baud
#if defined(__AVR_ATmega32U4__) || defined(SERIAL_PORT_USBVIRTUAL) || defined(SERIAL_USB) /*stm32duino*/ || defined(USBCON) /*STM32_stm32*/ || defined(SERIALUSB_PID) || defined(ARDUINO_attiny3217)
  delay(4000); // To be able to connect Serial monitor after reset or power up and before first print out. Do not wait for an attached Serial Monitor!
#endif
  // Just to know which program is running on my Arduino
  Serial.println(F("START " __FILE__ " from " __DATE__ "\r\nUsing library version " VERSION_IRREMOTE));

  // Start the receiver and if not 3. parameter specified, take LED_BUILTIN pin from the internal boards definition as default feedback LED
  IrReceiver.begin(IR_RECEIVE_PIN, ENABLE_LED_FEEDBACK);

  Serial.print(F("Ready to receive IR signals of protocols: "));
  printActiveIRProtocols(&Serial);

  // infos for receive
  Serial.print(RECORD_GAP_MICROS);
  Serial.println(F(" us is the (minimum) gap, after which the start of a new IR packet is assumed"));
  Serial.print(MARK_EXCESS_MICROS);
  Serial.println();
  Serial.println(F("Because of the verbose output (>200 ms at 115200), repeats are probably not dumped correctly!"));
  Serial.println();
}

std::string PadToDoubleDigit(int num)
{
    if (num < 10)
    {
        return "0" + std::to_string(num);
    }
    else
    {
        return std::to_string(num);
    }
}

void loop()
{
  if (IrReceiver.decode())
  { 
    
    if (IrReceiver.decodedIRData.flags & IRDATA_FLAGS_WAS_OVERFLOW)
    {
      Serial.print("Try to increase the \"RAW_BUFFER_LENGTH\" value of: ");
      Serial.println(RAW_BUFFER_LENGTH);
    }
    else
    {

      auto decodedIRData = IrReceiver.decodedIRData;
      uint8_t tRawlen = decodedIRData.rawDataPtr->rawlen; // Get it once here in order to print quite consistent data, even if ISR is running

      for (int i = 1; i < tRawlen; i += 2)
      {
        auto rawMark = decodedIRData.rawDataPtr->rawbuf[i];
        auto rawVal = decodedIRData.rawDataPtr->rawbuf[i + 1];
        int mark = round(((float)rawMark) / 2.5f);
        int val = round(((float)rawVal) / 2.5f);

        if (mark > 5)
        {
          Serial.println("Timing mark above 5!");
          break;
        }
        if (val < 10)
        {
          Serial.print("0 ");
        }
        else
        {
          Serial.print("1 ");
        }

        if (((i + 1) / 2) % 10 == 0) {
          Serial.print(" | ");
        }

      }

      Serial.println();

    }
    IrReceiver.resume(); // Prepare for the next value
  }
}