#include <driver/adc.h> //library needed for hall_sensor_read to work

const unsigned long duration = 10 * 60 * 1000; // 10 minutes in milliseconds
const unsigned long interval = 1000; // 1 second interval between readings

void setup() {
  Serial.begin(115200); //BAUD rate
}

void loop() {
  unsigned long start_time = millis(); // start time for average calculations
  unsigned long end_time = start_time + duration; // end time for average calculations
  int max_value = -800; //max variable 
  int min_value = 800; //min variable

  long sum = 0; // sum of readings
  unsigned int count = 0; // count for sensor readings
  unsigned int avg_count = 0; //count for total number of averages taken
  float total_sum = 0; //total sum of all averages
  float roll_avg = 0; //rolling average variable


  while (millis() < end_time) { //10 minute average function
    int sensor_value = hall_sensor_read(); //creates variable sensor_value equal to value of hall read function
    sum += sensor_value; //adds the current sensor value to the sum variable
    count++; //interates the count variable one

    if (hall_sensor_read() > max_value) { //checks for new max value
      max_value = hall_sensor_read();
    }

    if (hall_sensor_read() < min_value) { //checks for new min value
      min_value = hall_sensor_read();
    }
    
    delay(interval); //waits the interval value before looping
  }

  if (count != 0) { // check if valid readings were obtained
    float average = (float)sum / count; // calculate the average
    total_sum += average; //add the average value to the total sum variable
    avg_count++; //interates the avg_count one 

    roll_avg = (total_sum / avg_count); //rolling average function

      //Following code prints all values of interest to serial for reference and collection
    Serial.print("Average value: "); 
    Serial.println(average);
    Serial.print("Max value: "); 
    Serial.println(max_value);
    Serial.print("Min value: ");
    Serial.println(min_value);
    Serial.print("Rolling average: ");
    Serial.println(roll_avg);
  } else {
    Serial.println("No valid readings obtained."); //incase ESP32 messes up and doesn't get number values
  }

  delay(1000);
}