#include "system.h"

LiquidCrystal_I2C lcd (0x27, 20, 4);
RTC_DS1307 rtc;

char hour[5] = {0}; //记录闹钟的“时”
char minute[5] = {0}; //记录闹钟的“分”
char second[5] = {0}; //记录闹钟的“秒”

//用于闹钟的“时”“分”“秒”数据类型转换
int h;  
int m;
int s;

const byte KEYPAD_ROWS = 4;
const byte KEYPAD_COLS = 4;
byte rowPins[KEYPAD_ROWS] = {5, 4, 3, 2};
byte colPins[KEYPAD_COLS] = {A3, A2, A1, A0};
char keys[KEYPAD_ROWS][KEYPAD_COLS] =
{
  {'1', '2', '3', 'A'},
  {'4', '5', '6', 'B'},
  {'7', '8', '9', 'C'},
  {'*', '0', '#', 'D'}
};

int p=0;  //判断闹钟设置的状态
int u=0;  //记录闹钟设置
int i = 0;  //用于循环
int state = 0;  //记录是否初次开机
int jud = 0;  //用于初次开机输入密码的判断
char Key_Input[10] = {0};
char Key_Set[10] = {"123456"};  //初始密码

unsigned long address1 = 0; //储存密码
unsigned int address2 = 8;  //记录是否初次开机

unsigned int address3 = 12; //储存闹钟的“时”
unsigned int address4 = 16; //储存闹钟的“分”
unsigned int address5 = 20; //储存闹钟的“秒”
unsigned int address6 = 24; //储存闹钟设置状态

Keypad keypad = Keypad(makeKeymap(keys), rowPins, colPins, KEYPAD_ROWS, KEYPAD_COLS);


// void eepromGP()
// {
//   EEPROM.put(address1, Key_Set);
//   EEPROM.put(address2, state);
// }

void showScreen()
{
  lcd.setCursor(3, 0);
  String message = "input the key";
  for (byte i = 0; i < message.length(); i++)
  {
    lcd.print(message[i]);
    delay(50);
  }
  delay(3000);
  lcd.cursor();
  lcd.blink();
  lcd.setCursor(6, 2);
}


void setup()
{
  Serial.begin(9600);
  pinMode(8, OUTPUT);
  pinMode(7, INPUT_PULLUP);

  lcd.init();
  lcd.backlight();
  showScreen();
  if (! rtc.begin())
  {
    Serial.println("Couldn't find RTC");
    Serial.flush();
    abort();
  }

  Judge_state();//判断是否初次开机

}

void loop()
{
  if (state != 0)
  {
    Check(state); //此时state=2
  }
  else if (state == 0)
  {
    Check(state);
  }

  time();

  while (1)
  {
    DateTime now = rtc.now();
    if (now.hour() == 0 && now.minute() == 0 && now.second() == 0)
    {
      break;
    }
    time_NF();

    int button = digitalRead(7);
    if (button == 1 && p==0)    //当按钮按下时，进入修改密码的程序
    {                           //p为0时即未设置闹钟
      lcd.clear();
      showScreen();
      setKey_setclock();
      time();
    }

    Judge_ac();
  }
}