#include <OneWire.h>
#include <DallasTemperature.h>
#include <LiquidCrystal_I2C.h>
#include "LcdBarGraphRobojax.h"

// Data wire is plugged into port 7 on the Arduino
#define ONE_WIRE_BUS 7

// Setup a oneWire instance to communicate with any OneWire devices (not just Maxim/Dallas temperature ICs)
OneWire oneWire(ONE_WIRE_BUS);

// Pass our oneWire reference to Dallas Temperature. 
DallasTemperature sensors(&oneWire);

const int offset = 20;
const int sensor_max = 2500;
const double voltage_to_measure = 12.8;

byte lcdNumCols = 16; // -- number of columns in the LCD
byte lcdLine = 2; // -- number of line in the LCD

LiquidCrystal_I2C lcd(0x27, 16, 2); // -- creating LCD instance
LcdBarGraphRobojax lbg(&lcd, 16, 0, 0);  // -- creating 16 character long bargraph starting at char 0 of line 0 
        
void setup(){
	Serial.begin(9600);
	sensors.begin();
	// -- initializing the LCD
  lcd.begin(lcdNumCols, lcdLine);
  lcd.clear();
  lcd.print("Voltagem Bateria");
  lcd.setCursor (0,1); //  
  lcd.print("Temperatura Carga"); 
  delay(2000);
  lcd.clear();
}

void loop()
{
  sensors.requestTemperatures();

	int tempC = sensors.getTempCByIndex(0);

  int inpuValue0 = analogRead(A0);

  int volt0 = analogRead(A0);

  double voltage0 = map(volt0, 0, 1023, 0, sensor_max) + offset;// map 0-1023 to 0-2500 and add correction offset

  double voltage_0 = voltage0 / 100;
	voltage0 /= voltage_to_measure;// divide by 100 to get the decimal values

	lbg.clearLine(1);// clear line 1 to display fresh voltage value

  // -- draw bar graph from the analog value read
  lbg.drawValue(inpuValue0, 520);
  
  // -- do some delay: frequent draw may cause broken visualization
  lcd.setCursor (0, 1); //
  lcd.print(voltage_0);
	lcd.setCursor (4, 1);
	lcd.print("V");
	lcd.setCursor (6, 1);
	lcd.print(tempC);
	lcd.print((char)223);
	lcd.print("C");
  lcd.setCursor (11, 1);
	lcd.print(voltage0);  
  lcd.setCursor (15, 1);  
  lcd.print("%");   
 
  delay(100);
}