#include <IRremote.h>

#define PIN_RECEIVER 2   // Signal pin of the IR receiver

IRrecv receiver(PIN_RECEIVER);

void setup() {
  Serial.begin(9600);
  Serial.println("IR Frequency and Command Analyzer");
  
  receiver.enableIRIn(); // Start the receiver
}

void loop() {
  // Check if an IR signal is received
  if (receiver.decode()) {
    Serial.println("IR Signal Received:");
    displayRawData();  // Display raw data
    displayCommand();  // Display decoded command and frequency

    receiver.resume(); // Prepare for the next signal
  }
}

void displayRawData() {
  // Print raw data buffer
  if (receiver.decodedIRData.rawDataPtr) {
    Serial.print("Raw Data: ");
    for (int i = 0; i < receiver.decodedIRData.rawDataPtr->rawlen; i++) {
      Serial.print(receiver.decodedIRData.rawDataPtr->rawbuf[i]);
      Serial.print(" ");
    }
    Serial.println();
  }
}

void displayCommand() {
  // Print decoded command
  uint32_t command = receiver.decodedIRData.command;
  Serial.print("Decoded Command: ");
  Serial.println(command);

  // Calculate frequency
  if (receiver.decodedIRData.rawDataPtr && receiver.decodedIRData.rawDataPtr->rawlen > 1) {
    unsigned int frequency = 1000000 / receiver.decodedIRData.rawDataPtr->rawbuf[1] / 0.241246;
    Serial.print("Frequency: ");
    Serial.print(frequency);
    Serial.println(" Hz");
  } else {
    Serial.println("Frequency data unavailable.");
  }
}