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	- Project: Vital Stats
	- Source Code compiled for: ESP32 DevKit V1
	- Source Code created on: 2024-02-11 10:43:18

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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
	/* turn on when set temperature reached */
/****** END SYSTEM REQUIREMENTS *****/

/****** DEFINITION OF LIBRARIES *****/
#include <Wire.h>
#include <DS18B20.h>    //https://github.com/matmunk/DS18B20
#include "MAX30100_PulseOximeter.h"

/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
const float SET_TEMPERATURE = 25.0; // Set temperature in °C

/****** FUNCTION PROTOTYPES *****/
void setup(void);
void loop(void);

/***** DEFINITION OF DIGITAL INPUT PINS *****/
const uint8_t heat_DS18B20_DQ_PIN_D4 = 4;
const uint8_t jju_MAX30100_INT_PIN_D13 = 13;

/***** DEFINITION OF I2C PINS *****/
const uint8_t jju_MAX30100_I2C_PIN_SDA_D21 = 21;
const uint8_t jju_MAX30100_I2C_PIN_SCL_D22 = 22;

/****** DEFINITION OF LIBRARIES CLASS INSTANCES*****/
DS18B20 ds(heat_DS18B20_DQ_PIN_D4); // Instance of DS18B20 class
PulseOximeter pox; // Instance of PulseOximeter class

void setup(void)
{
  // put your setup code here, to run once:
  pinMode(heat_DS18B20_DQ_PIN_D4, INPUT);
  pinMode(jju_MAX30100_INT_PIN_D13, INPUT_PULLUP);

  // initialize the PulseOximeter library
  if (!pox.begin()) {
    Serial.println("ERROR: Failed to initialize PulseOximeter!");
    while (1);
  }
}

void loop(void)
{
  // put your main code here, to run repeatedly:

  // Read temperature from DS18B20 sensor
  float temperature = ds.getTempC();

  // Read heart rate and SpO2 from MAX30100 sensor
  pox.update();
  float heartRate = pox.getHeartRate();
  float spo2 = pox.getSpO2();

  // Print temperature, heart rate, and SpO2
  Serial.print("Temperature: ");
  Serial.print(temperature);
  Serial.println(" °C");
  Serial.print("Heart Rate: ");
  Serial.print(heartRate);
  Serial.println(" bpm");
  Serial.print("SpO2: ");
  Serial.print(spo2);
  Serial.println("%");

  // Check if the temperature reaches the set value
  if (temperature >= SET_TEMPERATURE) {
    // Perform action to turn on
    // ...
  }

  delay(1000);
}