#include <Wire.h>  // Arduino IDE 內建
#include <LiquidCrystal_I2C.h>
#include <DS1307RTC.h> // 引入 DS1307 RTC 库
#include "Timer.h"
#include "DHT.h"

#define DHTPIN 9 
#define DHTTYPE DHT11

DHT dht(DHTPIN, DHTTYPE);
 Timer T;

LiquidCrystal_I2C lcd(0x27, 16, 2); 
byte myChars[8][8]={
  {0x1C,0x1E,0x1E,0x1E,0x1E,0x1E,0x1E,0x1C },    //R|
  {0x7, 0xF, 0xF, 0xF, 0xF, 0xF, 0xF, 0x7  },    //L|
  {0x1F,0x1F,0x0, 0x0, 0x0, 0x0, 0x0, 0x0  },    //T-
  {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1F,0x1F},    //D-
  {0x1F,0x1F,0x0, 0x0, 0x0, 0x0, 0x1F,0x1F  },     //B-
  {0x07,0x07,0x0, 0x0, 0x0, 0x0, 0x0, 0x0  },   //TR-shot
  {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x07,0x07},    //DR_shot
  {0x1c,0x1c,0x0, 0x0, 0x0, 0x0, 0x0, 0x0  },   //TL-shot
  //{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1c,0x1c},    //dL_shot
};
byte numberspell[10][6]={
  {0x01,0x02,0x00,0x01,0x03,0x00},   //0
  {0xfe,0x01,0xfe,0xfe,0x01,0xfe},   //1
  {0x05,0x04,0x00,0x01,0x03,0x03},   //2
  {0x05,0x04,0x00,0x03,0x03,0x00},   //3
  {0x01,0x03,0x00,0xfe,0xfe,0x00},   //4
  {0x01,0x04,0x07,0x06,0x03,0x00},   //5
  {0x01,0x04,0x07,0x01,0x03,0x00},   //6
  {0x02,0x02,0x00,0xfe,0xfe,0x00},   //7
  {0x01,0x04,0x00,0x01,0x03,0x00},   //8
  {0x01,0x04,0x00,0x06,0x03,0x00}   //9
};
byte mycharA[8];
int x,hourt,hourd,mint,mind;
void mychar()
{
    for(int j=0;j<8;j++)
    {
      for(int i=0;i<8;i++)
      {
        mycharA[i]=myChars[j][i];
      }
      lcd.createChar(j,mycharA);
    } 

}
  
void displaynumber(int num, int address)
{
  for(int a=0;a<6;a++)
    {
      lcd.setCursor(address+a%3,a/3);
      lcd.write(numberspell[num][a]);
    }

}


void setup() 
{
  t.update();
  lcd.init();
  lcd.backlight();
  lcd.begin(16,2);
  dht.begin();  //初始化DHT
  Serial.begin(9600);
  t1.every(5000,displaytemp);
  t2.every(5000,displaytime);
  mychar();
  setSyncProvider(RTC.get); // 同步 RTC
  if(timeStatus() != timeSet) {
    Serial.println("Unable to sync with the RTC");
  } else {
    Serial.println("RTC has set the system time");
  }
}
  
void loop() 
{  
 tmElements_t tm; // 定义時間元素結構體
  if(tm.Second%3==0)
  {delay(100);
  float h = dht.readHumidity();   //取得濕度
  float t = dht.readTemperature();  //取得溫度C
  }
  if (RTC.read(tm)) { // 讀取時間
    hourt=tm.Hour/10;
    hourd=tm.Hour%10;
    mint=tm.Minute/10;
    mind=tm.Minute%10;
    displaynumber(hourt,0);
    displaynumber(hourd,4);
    displaynumber(mint,9);
    displaynumber(mind,13);
    if(tm.Second%2==0)
    { lcd.setCursor(7,0);
      lcd.write(0b00101110);
      lcd.setCursor(7,1);
      lcd.write(0b00101110);
      }
    else
    { lcd.setCursor(7,0);
      lcd.write(0b11111110);
      lcd.setCursor(7,1);
      lcd.write(0b11111110);
    }
  }
  else {
    lcd.clear();
    lcd.setCursor(0,0);
    lcd.print("error RTC");
    lcd.clear();
    }

}