#include "DHT.h"
#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include <Adafruit_INA219.h>


#define DHTPIN 2
#define DHTTYPE DHT11
#define VOLT A1
#define LUX A3


DHT dht(DHTPIN, DHTTYPE);
LiquidCrystal_I2C lcd(0x27, 20, 4);
Adafruit_INA219 ina219;

//       ok         ok    ok    ok
float Temperature, volt, volts, lux;
//   ok     ok
int temp1, value;

byte degree[8] =
{
  0b00011,
  0b00011,
  0b00000,
  0b00000,
  0b00000,
  0b00000,
  0b00000,
  0b00000
};

void setup()
{
  Serial.begin(9600);
  dht.begin();
  ina219.begin();
  ina219.setCalibration_32V_1A();
  lcd.init();
  lcd.init();
  lcd.backlight();
  lcd.createChar(1, degree);
  lcd.setCursor(0, 0);
  lcd.print("  Soler Energy  ");
  lcd.setCursor(0, 1);
  lcd.print("  Measurement   ");
  delay(2000);
  lcd.clear();
}

void loop()
{

  /*-----------Current---------*/
  float shuntvoltage = 0;
  float busvoltage = 0;
  float current_mA = 0;
  float loadvoltage = 0;
  float power_mW = 0;
  shuntvoltage = ina219.getShuntVoltage_mV();
  busvoltage = ina219.getBusVoltage_V();
  current_mA = ina219.getCurrent_mA();
  power_mW = ina219.getPower_mW();
  loadvoltage = busvoltage + (shuntvoltage / 1000);
  delay(10);

  /*---------Temperature-------*/
  float t = dht.readTemperature();
  Temperature = t;
  delay(10);

  /*---------Voltage----------*/
  temp1 = analogRead(VOLT);
  volts = (temp1 / 255.0) * 5.0;
  delay(10);

  /*-----Light Intensity------*/
  value = analogRead(LUX);
  volt = (value / 1023.0) * 5;
  lux = ((2500 / volt) - 500) / 3.3;
  delay(10);

  /*------Display Result------*/
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("T:");
  lcd.print((int)Temperature);
  lcd.write(1);
  lcd.print("C");

  lcd.setCursor(8, 0);
  lcd.print("V:");
  lcd.print(volts);

  lcd.setCursor(0, 1);
  lcd.print("L:");
  lcd.print((int)lux);
  //lcd.print("Lux");

  lcd.setCursor(8, 1);
  lcd.print("I:");
  lcd.print(int(current_mA));
  lcd.print("mA");

  Serial.print((int)Temperature);
  Serial.print("\t");
  Serial.print(volts);
  Serial.print("\t");
  Serial.print(current_mA);
  Serial.println((int)lux);
  delay(1500);
}