Ενημερωμένος κώδικας για σχολικό κουδούνι

 Ενημερωμένος κώδικας για σχολικό κουδούνι

/*

Modified on Nov 24, 2020

Modified by MehranMaleki from Arduino Examples

Modified by Panagiotis Toumpaniaris on March 3,2024

*/

#include <EEPROM.h>

#include <Keypad.h>

#include <Wire.h>

#include <DS1307RTC.h>

#include <LiquidCrystal_I2C.h>

#include <TimeLib.h>

LiquidCrystal_I2C lcd(0x27, 16, 2);  // I2C address 0x27, 16 column and 2 rows

const char *monthName[12] = {

  "Jan", "Feb", "Mar", "Apr", "May", "Jun",

  "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"

};

tmElements_t tm;

const int ROW_NUM    = 4; // four rows

const int COLUMN_NUM = 4; // four columns

char keys[ROW_NUM][COLUMN_NUM] = {

  {'1','2','3', 'A'},

  {'4','5','6', 'B'},

  {'7','8','9', 'C'},

  {'*','0','#', 'D'}

};

byte pin_rows[ROW_NUM] = {6, 5, 4, 3};  //connect to the row pinouts of the keypad

byte pin_column[COLUMN_NUM] = {10, 9, 8, 7};; //connect to the column pinouts of the keypad

Keypad keypad = Keypad(makeKeymap(keys), pin_rows, pin_column, ROW_NUM, COLUMN_NUM );

int cursorColumn = 0;

int ResetPin = 12;

 

int hours = 0;

int minutes = 0;

int seconds = 0;

int h1;

int m1;

String hh;

String mm;

String hh0;

void setup() {

  Serial.begin(9600);

  pinMode(2,OUTPUT);

  pinMode(12,OUTPUT);

  digitalWrite(2,HIGH);

  digitalWrite(12,HIGH);

  lcd.init();         // initialize the lcd

  lcd.backlight();    // open the backlight

   lcd.clear();

 // lcd.setCursor(cursorColumn, 0); // move cursor to   (cursorColumn, 0)

 // lcd.print("ok");  

 // while (!Serial) ;

 // wait for serial

  delay(200);

 

}

void loop() {

 //  char key = keypad.getKey();

getTimeFromKeypad();

}

void loadprog(int hset,int minset) {

while (millis>=0) {

settimes(8,18);

// set time2

 settimes(9,3);

  settimes(9,8);

  // set time3

  settimes(9,530);

   settimes(10,3);

  // set time4

  settimes(10,48);

 settimes(10,58);

 // set time 5

  settimes(11,43);

   settimes(11,53);

   // set time 6

    settimes(12,38);

     settimes(12,43);

     // set time 7

      settimes(13,28);

       settimes(13,33);

     //set time 8

     

     settimes(00,17);

     

     // set this time for demostration

      settimes(hset,minset);

     

    // settimes(15,39);

  if (RTC.read(tm)) {

    Serial.print("Ok, Time = ");

    print2digits(tm.Hour);

    Serial.write(':');

    print2digits(tm.Minute);

    Serial.write(':');

    print2digits(tm.Second);

    Serial.print(", Date (D/M/Y) = ");

    Serial.print(tm.Day);

    Serial.write('/');

    Serial.print(tm.Month);

    Serial.write('/');

    Serial.print(tmYearToCalendar(tm.Year));

    Serial.println();

     lcd.clear();

  lcd.setCursor(0, 0);       // start to print at the first row

   print2digits1(tm.Hour);

    lcd.print(':');

    print2digits1(tm.Minute);

    lcd.print(':');

    print2digits1(tm.Second);

 

  lcd.setCursor(0, 1);       // start to print at the second row

  lcd.print(tm.Day);

    lcd.write('/');

    lcd.print(tm.Month);

    lcd.write('/');

    lcd.print(tmYearToCalendar(tm.Year));

  // delay(500);

 

  } else {

    if (RTC.chipPresent()) {

      Serial.println("The DS1307 is stopped.  Please run the SetTime");

      Serial.println("example to initialize the time and begin running.");

      Serial.println();

    } else {

      Serial.println("DS1307 read error!  Please check the circuitry.");

      Serial.println();

    }

    delay(9000);

  }

  delay(1000);

}

}

void print2digits(int number) {

  if (number >= 0 && number < 10) {

    Serial.write('0');

  }

  Serial.print(number);

}

void print2digits1(int number) {

  if (number >= 0 && number < 10) {

    lcd.print('0');

  }

  lcd.print(number);

}

bool getTime(const char *str)

{

  int Hour, Min, Sec;

  if (sscanf(str, "%d:%d:%d", &Hour, &Min, &Sec) != 3) return false;

  tm.Hour = Hour;

  tm.Minute = Min;

  tm.Second = Sec;

  return true;

}

bool getDate(const char *str)

{

  char Month[12];

  int Day, Year;

  uint8_t monthIndex;

  if (sscanf(str, "%s %d %d", Month, &Day, &Year) != 3) return false;

  for (monthIndex = 0; monthIndex < 12; monthIndex++) {

    if (strcmp(Month, monthName[monthIndex]) == 0) break;

  }

  if (monthIndex >= 12) return false;

  tm.Day = Day;

  tm.Month = monthIndex + 1;

  tm.Year = CalendarYrToTm(Year);

  return true;

}

void settimes(int h1,int m1) {

   if(tm.Hour==h1 and tm.Minute==m1) {

      if (tm.Second > 0 & tm.Second<5) {

         digitalWrite(2,LOW);

         digitalWrite(12,LOW);

          // delay(1000);

                                       }

    else if(tm.Second < 2 or tm.Second >4){

      digitalWrite(2,HIGH);

      digitalWrite(12,HIGH);

      delay(100);

    }

}

}

void getTimeFromKeypad() {

   String timeStr = "";

    char key = '\0';

    while (key != '#') { // Wait until '#' is pressed to indicate end of input

        key = keypad.getKey();

        if (key) {

            lcd.setCursor(timeStr.length(), 1);

            lcd.print(key);

            timeStr += key;

            delay(200); // Debouncing delay

        }

    }

    lcd.clear();

    // Parse the time string (format: HHMM)

    hours = (timeStr.substring(0, 2)).toInt();

    minutes = (timeStr.substring(2, 4)).toInt();

    loadprog(hours,minutes);

}