# include "TM1637.h"
# include "TimerOne.h"

int CLK=11;
int key=2;
int DIO=12;
int sel=6;
int mode=5;
int add=4;
int dec=3;
int hour=23;
int minute=59;
int second=50;
int time[6];
int screen=0;

int done = 0;
int modify = 0;
boolean up_flag = 0, down_flag = 0;


TM1637 Display = TM1637(CLK, DIO);



void setup() {

for(int i=2;i<=12;i++){
  pinMode(i,INPUT);
}
Display.init();
Display.set(BRIGHT_TYPICAL);
Display.point(1);

Timer1.initialize(1000000);
Timer1.attachInterrupt(timerIsr);

}

void loop() {
  while(done==1)keydown();
  while(done==1){
    showtime(hour,minute,second);
    Selkey();
  }

}

// 一、电子钟时间显示
// 时间数据处理函数
void timedeal(int h,int m,int s){
  time[0] = h % 100 / 10;
  time[1] = h % 10;
  time[2] = m % 100 / 10;
  time[3] = m % 10;
  time[4] = s % 100 / 10;
  time[5] = s % 10;

}

// 切屏函数
void Selscr(){
  if(digitalRead(key)==LOW){
    delay(20);
    if(disitalRead(key)==LOW){
      screen=(screen+1)%2;
      while(digitalRead(key)==LOW)showtime(hour,minute,secode);
    }
  }
}

// 显示函数
void showtime(int h,int m,int s){
  timedeal(h, m, s);
  Selscr();
  if(screen==0){
    for(int i = 0;i<4;i++){
      Display.display(i,time[i]);
    }
  }
  if(screen==1){
    for(int i = 0;i<4;i++){
      if(i<4)
        Display.display(i,0x7f);
      else
        Display.display(i,time[i+2])
    }
  }
}

// 二、时间走秒控制
// 定时器中断函数
void timerIsr(){
  second++;
  if(second > 59)
  {
    second = 0;
    minute++;
    if(second > 59){
      minute = 0;
      minute++;
      if(hour>23)
        hour = 0;
    }
  }
}

// 三按键调整控制
void SelKey(){
  if(digitalRead(sel)==LOW){
    delay(20);
    if(digitalRead(sel)==LOW){
      done=(done+1)%2;
      while(digitalRead(sel)==LOW)showtime(hour, minute, second);
    }
  }
}

// 调整部分选择函数，确定选择部分
void keydone(){
  Selkey();
  switch(down){
    case 1;
      Timer1.stop();
      do{
         UpKey();
         DownKey();
         if(up_flag==1||down_flag==1){
          up_flag = 0;
          down_flag = 0;
         }
         showttime(hour,minute,second);
      }while(down==1);
      break;
    case 0;
      do{
          timer1.restart();
          showtime(hour,minute,second);

      }while(donw==1);
      break;
    default:break;
  }
}