#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include <Servo.h>
#include <DHT.h>

volatile int HOUR;
volatile int MIN;
volatile int second;
volatile int light;
volatile int nian;
volatile int yue;
volatile int ri;
volatile int anniu__;
volatile int naozhongshishezhi;
volatile int FEN;
LiquidCrystal_I2C mylcd(0x27,20,4);
Servo servo_3;
DHT dht0(0, 22);

void shezhishijiannianyueri() {
  shishezhi();
  minshezhi();
  nianshezhi();
  yueshizhi();
  rishezhi();
  chongzhe();
}

void shishezhi() {
  if (digitalRead(2) == HIGH) {
    HOUR = HOUR + 1;
    if (HOUR > 23) {
      HOUR = 0;

    }

  }
  if (digitalRead(1) == HIGH) {
    HOUR = HOUR - 1;
    if (HOUR < 0) {
      HOUR = 23;

    }

  }
}

void minshezhi() {
  if (digitalRead(4) == HIGH) {
    MIN = MIN + 1;
    if (MIN > 59) {
      MIN = 0;

    }

  }
  if (digitalRead(5) == HIGH) {
    MIN = MIN - 1;
    if (MIN < 0) {
      MIN = 59;

    }

  }
}

void shijian_nian_yue_ri() {
  light = analogRead(A0);
  // 1秒
  delay(1000);
  mylcd.clear();
  second = second + 1;
  if (second > 59) {
    second = 0;
    MIN = MIN + 1;
    if (MIN > 59) {
      MIN = 0;
      HOUR = HOUR + 1;
      if (HOUR > 23) {
        HOUR = 0;
        ri = ri + 1;
        if (ri > 29) {
          ri = 0;
          yue = yue + 1;
          if (yue > 12) {
            yue = 0;
            nian = nian + 1;

          }

        }

      }

    }

  }
  mylcd.setCursor(1-1, 1-1);
  mylcd.print(String(HOUR) + String(":") + String(MIN) + String(":") + String(second));
  mylcd.setCursor(1-1, 2-1);
  mylcd.print(String("linght:") + String(light) + String("  ") + String(nian) + String("/") + String(yue) + String("/") + String(ri));
  mylcd.setCursor(1-1, 3-1);
  mylcd.print(String("NAOLINGSHIJIAN:") + String(naozhongshishezhi) + String(":") + String(FEN));
  mylcd.setCursor(1-1, 4-1);
  mylcd.print(String("WENDU") + String(dht0.readTemperature()));
  if (HOUR >= 0 && HOUR < 6) {
    servo_3.write(90);
    delay(0);
    mylcd.setCursor(1-1, 4-1);
    mylcd.print(String("WENDU") + String(dht0.readTemperature()) + String("WANAN"));

  } else {
    servo_3.write(0);
    delay(0);

  }
}

void NAOLINGSHEZHIFENZHONG() {
  if (digitalRead(13) == HIGH) {
    naozhongshishezhi = naozhongshishezhi + 1;

  }
  if (digitalRead(A1) == HIGH) {
    FEN = FEN + 1;

  }
  if (digitalRead(A2) == HIGH) {
    FEN = 0;
    naozhongshishezhi = 0;

  }
}

void yueshizhi() {
  if (digitalRead(8) == HIGH) {
    yue = yue + 1;
    if (yue > 12) {
      yue = 0;

    }

  }
  if (digitalRead(9) == HIGH) {
    yue = yue - 1;
    if (yue < 0) {
      yue = 12;

    }

  }
}

void rishezhi() {
  if (digitalRead(10) == HIGH) {
    ri = ri + 1;
    if (ri > 30) {
      ri = 0;

    }

  }
  if (digitalRead(11) == HIGH) {
    ri = ri - 1;
    if (ri < 0) {
      ri = 30;

    }

  }
}

void nianshezhi() {
  if (digitalRead(6) == HIGH) {
    nian = nian + 1;

  }
  if (digitalRead(7) == HIGH) {
    nian = nian - 1;
    if (nian < 0) {
      nian = 1;

    }

  }
}

void chongzhe() {
  if (digitalRead(12) == HIGH) {
    HOUR = 0;
    MIN = 0;
    second = 0;
    nian = 2023;
    yue = 6;
    ri = 1;
    light = 0;

  }
}

void NAOLING() {
  if (HOUR == naozhongshishezhi && MIN == FEN) {
    pinMode(A3, OUTPUT);
    tone(A3,131);
    delay(500);

  } else {
    pinMode(A3, OUTPUT);
    noTone(A3);

  }
}

void setup(){
  HOUR = 23;
  MIN = 59;
  second = 50;
  light = 0;
  nian = 2023;
  yue = 6;
  ri = 1;
  anniu__ = 0;
  naozhongshishezhi = 0;
  FEN = 0;
  mylcd.init();
  mylcd.backlight();
  servo_3.attach(3);
  servo_3.write(0);
  delay(0);
  pinMode(2, INPUT);
  pinMode(1, INPUT);
  pinMode(4, INPUT);
  pinMode(5, INPUT);
  pinMode(A0, INPUT);
   dht0.begin();
  pinMode(13, INPUT);
  pinMode(A1, INPUT);
  pinMode(A2, INPUT);
  pinMode(8, INPUT);
  pinMode(9, INPUT);
  pinMode(10, INPUT);
  pinMode(11, INPUT);
  pinMode(6, INPUT);
  pinMode(7, INPUT);
  pinMode(12, INPUT);
}

void loop(){
  shijian_nian_yue_ri();
  shezhishijiannianyueri();
  NAOLINGSHEZHIFENZHONG();
  NAOLING();

}