久久久久久久999_99精品久久精品一区二区爱城_成人欧美一区二区三区在线播放_国产精品日本一区二区不卡视频_国产午夜视频_欧美精品在线观看免费

標題: 書到用時方恨少啊,輕觸開關沒有反應 [打印本頁]

作者: 娃娃哈 時間: 2024-8-17 21:32
標題: 書到用時方恨少啊,輕觸開關沒有反應
網上搜的，自己做了個板，可程序寫入，11，12腳接的輕觸開關沒有反應，大佬們給看看，指教一下。

#include<reg51.h>
#define uchar unsigned char
#define uint unsigned int
sbit key1 = P3^0 ;
sbit key0 = P3^1 ;
sbit key2 = P3^2 ;
sbit key3 = P3^3 ;

uchar s[]={0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,0x7F,0x6F};          //共陰數碼管0~9
uchar hour = 10 , min = 10 , sec = 0 ,day = 25 , month = 1 , year = 20 ;
uchar a = 0 ,b = 0 , c = 0 , d = 0 , e = 0 ,f = 0 ;
uchar b_1 = 0 ,c_1 = 0 ;

void time0_server_() interrupt 1
{
      TH0 = 0x4c ;
      TL0 = 0x00 ;
      a++;
      e = 2000 + year ;
      if(a == 20)
      {
            a = 0 ;
            sec = sec + 1 ;
      }
      if(sec == 60)
      {
            min = min + 1 ;
            sec = 0 ;
      }
      if(min == 60)
      {
            hour = hour + 1 ;
            min = 0 ;
      }
      if(hour == 24)
      {
            day = day + 1 ;
            hour = 0 ;
      }
      switch(month)                      //根據月份來控制天數
      {
            case 1:
            case 3:
            case 5:
            case 7:
            case 8:
            case 10:
            case 12:if(day == 32)
                              {
                                    month = month + 1 ;
                                    day = 1 ;
                              }
                              break ;
            case 4:
            case 6:
            case 9:
            case 11:if(day == 31)
                              {
                                    month =month + 1;
                                    day = 1 ;
                              }
                              break ;
            case 2:if(e%400==0||e%4==0&&e%100!=0)
                        {
                                       if(day == 30)
                                    {
                                             month = month + 1 ;
                                             day = 1 ;
                                    }
                              }
                              else if(day == 29)
                                       {
                                             month = month + 1 ;
                                             day = 1 ;
                                       }
                              break ;
      }
      if(month == 13)
      {
            year = year + 1 ;
            month = 1 ;
      }

}

void init_t0()
{
      TMOD = 0x01 ;
      TH0 = 0x4C ;
      TL0 = 0x00 ;
      EA = 1 ;
      ET0 = 1 ;
      TR0 = 1 ;
}

void delay(uint n)       //延時函數       大約1ms
{
      uint i,j;
      for(i = 0 ; i < n ; i ++)
      {
            for(j = 0 ; j < 120 ; j ++);
      }
}

void display1()             //顯示 “時、分、秒”
{
      uchar t0 = 0 ,t1 = 0 , t2 = 0 , t3 = 0 , t4 = 0 , t5 = 0 ;
      t0 = hour / 10 ;
      t1 = hour % 10 ;
      t2 = min / 10 ;
      t3 = min % 10 ;
      t4 = sec / 10 ;
      t5 = sec % 10 ;
/************* 74HC138譯碼器輔助控制數碼管 ******/
//       P2 = 0x1c ;
//       P0 = s[t0] ;
//       delay(2) ;
//       P2 = 0x18 ;
//       P0 = s[t1] ;
//       delay(2) ;
//       P2 = 0x14 ;
//       P0 = 0x40 ;
//       delay(2) ;
//       P2 = 0x10 ;
//       P0 = s[t2] ;
//       delay(2) ;
//       P2 = 0x0c ;
//       P0 = s[t3] ;
//       delay(2) ;
//       P2 = 0x08 ;
//       P0 = 0x40 ;
//       delay(2) ;
//       P2 = 0x04 ;
//       P0 = s[t4] ;
//       delay(2) ;
//       P2 = 0x00 ;
//       P0 = s[t5] ;
      delay(2) ;
/*********** P2直接控制數碼管 *********/
      P2 = 0x7f ;
      P0 = s[t0] ;
      delay(1) ;
      P2 = 0xbf ;
      P0 = s[t1] ;
      delay(1) ;
      P2 = 0xdf ;
      P0 = 0x40 ;
      delay(1) ;
      P2 = 0xef ;
      P0 = s[t2] ;
      delay(1) ;
      P2 = 0xf7 ;
      P0 = s[t3] ;
      delay(1) ;
      P2 = 0xfb ;
      P0 = 0x40 ;
      delay(1) ;
      P2 = 0xfd ;
      P0 = s[t4] ;
      delay(1) ;
      P2 = 0xfe ;
      P0 = s[t5] ;
      delay(1) ;
}

void display2()          //顯示 “年、月、日”
{
      uchar t0 = 0 ,t1 = 0 , t2 = 0 , t3 = 0 , t4 = 0 , t5 = 0 ;
      t0 = year / 10 ;
      t1 = year % 10 ;
      t2 = month / 10 ;
      t3 = month % 10 ;
      t4 = day / 10 ;
      t5 = day % 10 ;
      /************* 74HC138譯碼器輔助控制數碼管 ******/
//       P2 = 0x1c ;
//       P0 = s[t0] ;
//       delay(2) ;
//       P2 = 0x18 ;
//       P0 = s[t1] ;
//       delay(2) ;
//       P2 = 0x14 ;
//       P0 = 0x40 ;
//       delay(2) ;
//       P2 = 0x10 ;
//       P0 = s[t2] ;
//       delay(2) ;
//       P2 = 0x0c ;
//       P0 = s[t3] ;
//       delay(5) ;
//       P2 = 0x08 ;
//       P0 = 0x40 ;
//       delay(2) ;
//       P2 = 0x04 ;
//       P0 = s[t4] ;
//       delay(2) ;
//       P2 = 0x00 ;
//       P0 = s[t5] ;
//       delay(2) ;
/*********** P2直接控制數碼管 *********/
      P2 = 0x7f ;
      P0 = s[t0] ;
      delay(1) ;
      P2 = 0xbf ;
      P0 = s[t1] ;
      delay(1) ;
      P2 = 0xdf ;
      P0 = 0x40 ;
      delay(1) ;
      P2 = 0xef ;
      P0 = s[t2] ;
      delay(1) ;
      P2 = 0xf7 ;
      P0 = s[t3] ;
      delay(1) ;
      P2 = 0xfb ;
      P0 = 0x40 ;
      delay(1) ;
      P2 = 0xfd ;
      P0 = s[t4] ;
      delay(1) ;
      P2 = 0xfe ;
      P0 = s[t5] ;
      delay(1) ;
}

void KEY0()             //控制按鈕2的位移
{
      if(key0 == 0 && c == 0)
      {
            c = 1 ;
      }
      if(key0 == 1 && c == 1)
      {
            c = 0 ;
            c_1 = c_1 + 1 ;
      }
      if(c_1 == 4)
      {
            c_1 = 0 ;
      }
}

void KEY1()                //控制 "秒"、“分”、“時”、“天”、“月”、“年”       的加1
{
      switch(c_1)
      {
            case 1: if(b_1 == 0)
                              {
                                       if(key1 == 0 && d == 0)
                                    {
                                             d = 1 ;
                                    }
                                    if(key1 == 1 && d == 1)
                                    {
                                             d = 0 ;
                                             sec = sec + 1 ;
                                    }
                              }
                              else if(b_1 == 1)
                              {
                                    if(key1 == 0 && d == 0)
                                    {
                                             d = 1 ;
                                    }
                                    if(key1 == 1 && d == 1)
                                    {
                                             d = 0 ;
                                             day = day + 1 ;
                                    }
                              }
                              break ;
            case 2: if(b_1 == 0)
                              {
                                    if(key1 == 0 && d == 0)
                                    {
                                             d = 1 ;
                                    }
                                    if(key1 == 1 && d == 1)
                                    {
                                             d = 0 ;
                                             min = min + 1 ;
                                    }
                              }
                              else if(b_1 == 1)
                              {
                                    if(key1 == 0 && d == 0)
                                    {
                                             d = 1 ;
                                    }
                                    if(key1 == 1 && d == 1)
                                    {
                                             d = 0 ;
                                             month = month + 1 ;
                                    }
                              }
                              break ;
            case 3: if(b_1 == 0)
                              {
                                    if(key1 == 0 && d == 0)
                                    {
                                             d = 1 ;
                                    }
                                    if(key1 == 1 && d == 1)
                                    {
                                             d = 0 ;
                                             hour = hour + 1 ;
                                    }
                              }
                              else if(b_1 == 1)
                              {
                                    if(key1 == 0 && d == 0)
                                    {
                                             d = 1 ;
                                    }
                                    if(key1 == 1 && d == 1)
                                    {
                                             d = 0 ;
                                             year = year + 1 ;
                                    }
                              }
                              break ;
      }
}

void KEY2()                //控制 "秒"、“分”、“時”、“天”、“月”、“年”       的減1
{
      switch(c_1)
      {
            case 1: if(b_1 == 0)
                              {
                                       if(key2 == 0 && f == 0)
                                    {
                                             f = 1 ;
                                    }
                                    if(key2 == 1 && f == 1)
                                    {
                                             f = 0 ;
                                             sec = sec - 1 ;
                                             if(sec == 255)
                                             {
                                                      sec = 59 ;
                                             }
                                    }
                              }
                              else if(b_1 == 1)
                              {
                                    if(key2 == 0 && f == 0)
                                    {
                                             f = 1 ;
                                    }
                                    if(key2 == 1 && f == 1)
                                    {
                                             f = 0 ;
                                             day = day - 1 ;
                                             if(day <= 1)
                                             {
                                                      day = 1 ;
                                             }
                                    }
                              }
                              break ;
            case 2: if(b_1 == 0)
                              {
                                    if(key2 == 0 && f == 0)
                                    {
                                             f = 1 ;
                                    }
                                    if(key2 == 1 && f == 1)
                                    {
                                             f = 0 ;
                                             min = min - 1 ;
                                             if(min == 255)
                                             {
                                                      min = 0 ;
                                             }
                                    }
                              }
                              else if(b_1 == 1)
                              {
                                    if(key2 == 0 && f == 0)
                                    {
                                             f = 1 ;
                                    }
                                    if(key2 == 1 && f == 1)
                                    {
                                             f = 0 ;
                                             month = month - 1 ;
                                             if(month <= 1)
                                             {
                                                      month = 1 ;
                                             }
                                    }
                              }
                              break ;
            case 3: if(b_1 == 0)
                              {
                                    if(key2 == 0 && f == 0)
                                    {
                                             f = 1 ;
                                    }
                                    if(key2 == 1 && f == 1)
                                    {
                                             f = 0 ;
                                             hour = hour - 1 ;
                                             if(hour == 255)
                                             {
                                                      hour = 0 ;
                                             }
                                    }
                              }
                              else if(b_1 == 1)
                              {
                                    if(key2 == 0 && f == 0)
                                    {
                                             f = 1 ;
                                    }
                                    if(key2 == 1 && f == 1)
                                    {
                                             f = 0 ;
                                             year = year - 1 ;
                                             if(year == 255)
                                             {
                                                      year = 0 ;
                                             }
                                    }
                              }
                              break ;
      }
}
void KEY3()             //控制“時、分、秒”與“年、月、日”的轉換
{
      if(key3 == 0 && b == 0)
      {
            b = 1 ;
      }
      if(key3 == 1 && b == 1)
      {
            b = 0 ;
            b_1 = b_1 + 1;
      }
      if(b_1 == 2)
      {
            b_1 = 0 ;
      }
      switch(b_1)
      {
            case 0: display1() ;
                              break ;
            case 1: display2() ;
                              break ;
      }
}

void main()
{
      init_t0();
      while(1)
      {
            KEY0();
            KEY1();
            KEY2();
            KEY3();
      }
}

作者: weianfu 時間: 2024-8-18 16:00
在PROTEUS 仿真中可以使用，先按K3選擇（ “秒”，“分”，“小時” 輪流切換），K2增加，K4減少。

作者: a185980800 時間: 2024-8-18 16:07
89c52應該不能設置內部上拉你需要自己加上拉電阻。

作者: chxelc 時間: 2024-8-19 11:20
定時器中斷里面代碼耗費太多時間了，可能還沒執行到按鍵掃描又進入中斷了。定時器里只做最基礎的運算如狀態字累加，其它放在while(1)循環里面執行。

歡迎光臨 (http://m.zg4o1577.cn/bbs/)