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

#define RX 4
#define TX 5

SoftwareSerial ss(RX, TX);

float data1, data2;

#define REPORTING_PERIOD_MS     1000

PulseOximeter pox;

uint32_t tsLastReport = 0;

void setup() {
  Serial.begin(9600);
  ss.begin(9600);
  if (!pox.begin()) {
    Serial.println("FAILED");
    for (;;);
  } else {
    Serial.println("SUCCESS");
  }
}

void loop() {
  pox.update();
  if (millis() - tsLastReport > REPORTING_PERIOD_MS) {
    data1 = pox.getHeartRate(); // HR
    data2 = pox.getSpO2();      // O2
    Serial.print("Heart rate:");
    Serial.println(pox.getHeartRate());
    Serial.print("bpm / SpO2:");
    Serial.print(pox.getSpO2());
    Serial.println("%");
    ss.print(data1, 2); ss.print("A");
    ss.print(data2, 2); ss.print("B");
    ss.print("\n");
    //delay(500);
    //Serial.println("Data Sent");
    tsLastReport = millis();
  }
}//end of loop