Revise paste GPSTime rev_114

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- Project: GPSTime
	- Source Code compiled for: Arduino Uno
	- Source Code created on: 2023-11-20 16:06:33
	- Source Code generated by: Francesco Alessandro

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/****** DEFINITION OF LIBRARIES *****/
#include <Arduino.h>
#include <SoftwareSerial.h>
#include <Wire.h>
#include <MicroNMEA.h>
#include <LiquidCrystal_I2C.h>

/****** SYSTEM REQUIREMENT 1 *****/
/* Reads hour, minutes and seconds from GPS module using MicroNMEA library. Display hours, minutes and seconds on 6x 7seg LED display. When mins and secs are 00 00, contact closure for about 1 sec. */

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

/***** DEFINITION OF DIGITAL OUTPUT PINS *****/
const uint8_t contactClosure_PIN_D7 = 7;

/***** DEFINITION OF SoftwareSerial *****/
const uint8_t NEO_6M_GPS_module_PIN_SERIAL_TX_A0 = A0;
const uint8_t NEO_6M_GPS_module_PIN_SERIAL_RX_A1 = A1;
SoftwareSerial NEO_6M_GPS_module(NEO_6M_GPS_module_PIN_SERIAL_RX_A1, NEO_6M_GPS_module_PIN_SERIAL_TX_A0);

/***** DEFINITION OF I2C PINS *****/
const uint8_t lcd_LCD1602I2C_I2C_SLAVE_ADDRESS = 39;

/****** DEFINITION OF CLASS INSTANCES *****/
MicroNMEA nmea; // MicroNMEA class instance
LiquidCrystal_I2C lcd(lcd_LCD1602I2C_I2C_SLAVE_ADDRESS, 16, 2); // LiquidCrystal_I2C class instance

void setup(void)
{
  // Initialize contact closure pin as output
  pinMode(contactClosure_PIN_D7, OUTPUT);

// Initialize software serial for GPS module
  NEO_6M_GPS_module.begin(9600);

// Initialize LCD display
  lcd.begin(16, 2);
  lcd.backlight();

// Clear LCD display
  lcd.clear();
}

void loop(void)
{
  // Read GPS data if available
  while (NEO_6M_GPS_module.available())
  {
    char c = NEO_6M_GPS_module.read();
    nmea.process(c);
  }

// Check for a valid GPS fix
  if (nmea.isValid())
  {
    // Get hours, minutes, and seconds from GPS
    int hours = nmea.getHour();
    int minutes = nmea.getMinute();
    int seconds = nmea.getSecond();

// Display hours, minutes, and seconds on LCD
    lcd.setCursor(0, 0);
    lcd.print("Time: ");
    lcd.print(hours);
    lcd.print(":");
    if (minutes < 10)
    {
      lcd.print("0");
    }
    lcd.print(minutes);
    lcd.print(":");
    if (seconds < 10)
    {
      lcd.print("0");
    }
    lcd.print(seconds);

// Check if minutes and seconds are zero
    if (minutes == 0 && seconds == 0)
    {
      // Activate contact closure for 1 second
      digitalWrite(contactClosure_PIN_D7, HIGH);
      delay(1000);
      digitalWrite(contactClosure_PIN_D7, LOW);
    }
  }
  else
  {
    // Display "No Fix" message on LCD
    lcd.setCursor(0, 0);
    lcd.print("No Fix");
  }
}