各位来围观。。。大侠们制作精确秒表

ti

#include
#define uint unsigned int
#define uchar unsigned char

//***it key1=P2^3;
//***it key2=P2^2;
***it key3=P2^1;
***it key4=P2^0;
***it EC=P1^2;
***it EB=P1^1;
***it ENA=P1^0;
uchar THR0=0x00;
uchar TLR0=0x00;
//uchar KeySta[4]={1,1,1,1};
uint watchrefresh=1;
uint watchrunning=1;
unsigned long integral=0;
unsigned long decimal=0;
uchar ledbuff[8]={0x00,0x00,0x00,0x00,0x00,0x00};
uchar ledchar[10]={0xfc,0x60,0xda,0xf2,0x66,0xb6,0xbe,0xe0,0xfe,0xf6};

void Keydrive();
void Watchdisplay();
void Configtimer(uint ms);
void WatchReset();
void WatchFreash();

void main()
{
ConfigTimer(2);
P2=0xff;
      while(1)
      {
         if(watchrefresh)
            {
                     Watchdisplay();
                     watchrefresh=0;
            }

      }
}

void Keydrive()
{

static uchar keybuff[2]={0xff,0xff};
      keybuff[0]=       (keybuff[0]<<1)|key3;
      keybuff[1]=       (keybuff[1]<<1)|key4;
         if(keybuff[0]==0xf0)
      {
         WatchReset();
      }
      if(keybuff[1]==0xf0)
      {
         WatchFreash();
      }

}
void LedScan()
{
      static uint i=0;
         P0=0x00;
      switch(i)
      {
         case 0:EC=1;EB=1;ENA=1;i++;P0=ledbuff[0];break;
               case 1:EC=1;EB=1;ENA=0;i++;P0=ledbuff[1];break;
               case 2:EC=1;EB=0;ENA=1;i++;P0=ledbuff[2];break;
               case 3:EC=1;EB=0;ENA=0;i++;P0=ledbuff[3];break;
               case 4:EC=0;EB=1;ENA=1;i++;P0=ledbuff[4];break;
               case 5:EC=0;EB=1;ENA=0;i++;P0=ledbuff[5];break;
               case 6:EC=0;EB=0;ENA=1;i++;P0=ledbuff[6];break;
               case 7:EC=0;EB=0;ENA=0;i=0;P0=ledbuff[7];break;
               default:break;
               }
}
void Watchdisplay()
{
uint i=0;
      static uint buf[8]={0,0,0,0,0,0,0,0};
      ledbuff[0]=       ledchar[decimal%10];
      ledbuff[1]= ledchar[decimal/10];
      for(i=0;i<5;i++)
      {
         buf=integral%10;
            integral=integral/10;
      }
      for(i=4;i>=1;i--) //i++改为i--
      {
         if(buf==0)
         {
            ledbuff[i+3]=0x00;
         }
         else
         break;
      }
for(;i>=1;i--)
{
   ledbuff[i+3]=ledchar[buf];
}
ledbuff[2]=0x01;
ledbuff[3]=ledchar[buf[0]];
}
void ConfigTimer(uint ms)
{
unsigned long temp;
      temp=11059200/12;
      temp=(temp*ms)/1000;
      temp=65535-temp;
      temp+=12;
      THR0=(uchar)(temp>>8);
      TLR0=(uchar)temp;
      TMOD=TMOD&0xf0;
      TMOD=TMOD|0x01;
      TH0=THR0;
      TL0=TLR0;
      TR0=1;
      ET0=1;
      EA=1;
}
void WatchReset()
{
watchrunning=0;
decimal=0;
      integral=0;
      watchrefresh=1;
}
void WatchFreash()
{
if(watchrunning)       //暂定，连续两次刷新
   watchrunning=0;
      else
      watchrunning=1;
}

void WatchCount()
{
if(watchrunning)
      {
         decimal++;
            if(decimal>=99)//为什么decimal变化到99了integral这个变量不增加啊。。。。。（数码管上不显示）
            {
                  decimal=0;
                     integral++;
            if(integral>=100000)
            {
               integral=0;
            }
            }
            watchrefresh=1;
      }
}
void timer() interrupt 1
{
static uint timer=0;
         TH0=THR0;
      TL0=TLR0;
      timer++;
      LedScan();
Keydrive();
      if(timer>=5)
      {
         timer=0;
      WatchCount();
      }
}

王寅 · 2014-4-28 20:14:04

为什么没人来拯救我啊

{:16:}{:16:}

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各位来围观。。。大侠们制作精确秒表