#include <Wire.h>
#include <MAX30100_PulseOximeter.h>

// Create an instance of the MAX30100 sensor
MAX30100_PulseOximeter pox;

// Variable to store heart rate and SpO2 values
float heartRate;
float spo2;

void setup() {
  Serial.begin(115200);
  
  // Initialize the sensor
  if (!pox.begin()) {
    Serial.println("MAX30100 not detected. Please check wiring.");
    while (1);
  }
  
  pox.setOnBeatDetectedCallback(onBeatDetected);
}

void loop() {
  // Update the sensor readings
  pox.update();
  
  // Print out the heart rate and SpO2 values
  heartRate = pox.getHeartRate();
  spo2 = pox.getSpO2();
  
  Serial.print("Heart Rate: ");
  Serial.print(heartRate);
  Serial.print(" bpm");
  Serial.print(" | SpO2: ");
  Serial.print(spo2);
  Serial.println(" %");
  
  delay(1000); // Delay for 1 second
}

void onBeatDetected() {
  Serial.println("Beat detected!");
}