//20240712 DS3231
/* --- 20231115_J38_RTC_DS3231_Clock_Temperature_LCD1602_I2C-01.ino 
 to set time for repeated works that times   */
//

#include <RTClib.h>
#include <LiquidCrystal_I2C.h>

#define baurate 9600


LiquidCrystal_I2C lcd(0x27, 16, 2);
RTC_DS1307 rtc(4 ,5); //(SDA, SCL); // Arduino Uno:

// ----------------------
// DS3231: SDA pin -> Arduino Analog 4 or the dedicated SDA pin
// SCL pin -> Arduino Analog 5 or the dedicated SCL pin

Time t;

int ledPin = 6;

//-------
void setup() {
  
  rtc.begin();

  //ตั้งวันและเวลา
  //rtc.setDOW(TUESDAY); // Set Day-of-Week to TUESDAY
  //rtc.setTime(16, 12, 0); // Set the time to 16:12:00 (24hr format)
  //rtc.setDate(14, 11, 2023); // Set the date to November 14, 2023

  lcd.init();  // lcd
  lcd.backlight();    // lcd

  //lcd.begin();  compile error

  Serial.begin(baurate);
  pinMode(ledPin, OUTPUT);

}
//-----

void loop() {

  //Get data from the DS1302
  t=rtc.getTime(); //ดึงเวลาเข้ามาไว้ในตัวแปร t
  
  /*Serial.print(" t=rtc.getTime() =  "); //
  Serial.print(t.hour);
  Serial.print(" ");
  
  Serial.print(t.min);
  Serial.print(" ");

  Serial.print(t.sec); 
  */

  // Send Day-of-Week
  //Serial.print("rtc.getDOWStr() = ");  //
  
  Serial.print(rtc.getDOWStr());  // print TUESDAY
  Serial.print(" ");
  

  // Send date
  //Serial.print("rtc.getDateStr() = ");  
  
  Serial.print(rtc.getDateStr());   // print date to  14.11.2023
  Serial.print(" -- ");

  // Send time
  if(t.hour < 10) { 
    Serial.print(0);
  }
  //Serial.print("t.hour, DEC = " ); //
    
  Serial.print(t.hour, DEC);
  Serial.print(":");
  
  if(t.min < 10) {
    Serial.print(0);
  }
  //Serial.print("t.min, DEC = ");  //

  Serial.print(t.min, DEC);
  Serial.print(":");

  if(t.sec < 10) {
    Serial.print(0);
  }

 // Serial.println("t.sec, DEC = ");  //
  
  Serial.println(t.sec, DEC);
  lcd.setCursor(0, 0);
  lcd.print("DATE-> ");
  lcd.setCursor(7,0);

  //lcd.print("rtc.getDateStr(FORMAT_SHORT) = "); //

  lcd.print(rtc.getDateStr(FORMAT_SHORT));
  lcd.setCursor(0,1);
  lcd.print("TIME-> ");
  lcd.setCursor(7,1);

 // lcd.print("rtc.getTimeStr() = "); //

  lcd.print(rtc.getTimeStr());

  if ((t.hour == 16)&&(t.min == 13)&&(t.sec == 00)) { // 16 30 00
    digitalWrite(ledPin,HIGH);
    Serial.println(">>>>>>>                          Alarm Enabled <<<<<<<");
    lcd.setCursor(0,0);
    lcd.print("TIME-> ");
    lcd.setCursor(7,0);
    lcd.print(rtc.getTimeStr());
    lcd.setCursor(0,1);
    lcd.print(" Alarm Enabled ");
  }

  if ((t.hour == 16)&&(t.min == 14)&&(t.sec == 00)) { // 16 31 00
    digitalWrite(ledPin,LOW);
    Serial.println("<<<<<<<                          Time Out >>>>>>>");
  }
  delay (1000);
}
// ------ end program









/*
#define baurate 9600
#define sensor  A0
#define dly100 100

int valIRF = 0;

//------
void SensorIRFwork() {

  Serial.println("Beware Fire Denger!");
  
}
//-------

void dIRF() {

  valIRF = digitalRead(sensor);
  Serial.print("Value => ");
  Serial.println(valIRF);

  delay(dly100);
  
}
//----------
void setup() {

  Serial.begin(baurate);

}
//-------
void loop() {
  
  dIRF();

}
// --- end program

*/