#include <LM75A.h>

short ten_min = 0, value, i = 0, c = 0, high = -100, low = 100;
short ten_avg[144]; //6 10 min increments in each hour * 24 hours needed
int total = 0, count = 0;

LM75A lm75a_sensor(false,false,false); //initializes A0, A1, A2 pins on chip, would be true without PCB

int ten (int i, short ten_min, short ten_avg[], int count) //ten minute average computation function
{
  if(count%600 == 0)  //number of values measured in 10 minutes
  {
    ten_avg[i] = ten_min/600; //600 is number of measurements in 10 minutes
    i++;
    ten_min = 0;
  }
  return i;
}

void overall (int count, short ten_avg[], int total, short high, short low) //final report printing function
{
    Serial.println("Averages Every 10 Minutes in Celcius: ");
    for(i = 0; i < count/600; i++)      //makes only measured ten minute averages print
    {
      Serial.println(ten_avg[i]);
    }
    Serial.println();
    
    Serial.print("High: ");
    Serial.print(high);
    Serial.println(" °C");
    
    Serial.print("Low: ");
    Serial.print(low);
    Serial.println(" °C");

    Serial.println();
    Serial.print("Overall Average: ");
    Serial.print(total/count);
    Serial.println(" °C");
}

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);     //baud rate
  delay(400);
  Serial.println("Starting Program (at any time press r to generate a report):");
}

void loop() {
  // put your main code here, to run repeatedly:
  
  value = lm75a_sensor.getTemperatureInDegrees();   //measuring function

  if(value > high)
  {
    high = value;
  }
  if(value < low)
  {
    low = value;
  }

  Serial.print("Temperature: ");
  Serial.print(value);
  Serial.println(" °C");
  
  ten_min += value;
  total += value;
  
  count++;  //measures number of total measurements
  
  i = ten(i, ten_min, ten_avg, count);  //will occur every ten minutes
  
  if(count%600 == 0)
  {
    ten_min = 0;
  }
  
  if(Serial.available() > 0)
  {
    if(Serial.read() == 'r')
    {
      overall(count, ten_avg, total, high, low);  //end of program values
    }
  }

  delay(1); //ensures at least a millisecond has passed
  while(millis()%1000 != 0);  //stops code so there is a measurement every second
  
  while(count == 86400)   //holds code at exactly 24 hours of measurements (86400)
  {
    if(c == 0)
    {
      Serial.println();
      Serial.println("24 hours is up! No more temperatures will be tracked.");
      Serial.println("Please press r to print the report");
      c++;
    }

    if(Serial.available() > 0)
    {
      if(Serial.read() == 'r')
      {
        overall(count, ten_avg, total, high, low);  //end of program values
      }
    }
  }
}