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標題: 我的程序出錯，達不到想要的結(jié)果，希望各位大神幫個忙看一下。 [打印本頁]

作者: 123.123.123 時間: 2018-6-2 15:02
標題: 我的程序出錯，達不到想要的結(jié)果，希望各位大神幫個忙看一下。
程序如下：
#include <reg51.h>
typedef unsigned char u8;
typedef unsigned int u16;
#define DATA P0
sbit seg_sel = P1^4;
sbit bit_sel = P1^5;
sbit start = P3^2;
sbit store = P3^3;
sbit diskey = P3^4;
sbit reset = P3^5;
sbit led = P1^0;
u16 tem_ms;
u8 n_ten_ms,n_sec,n_min;
u8 run_flag;
u8 temp_buf[5][3];
u8 arr_pt;
u8 code seg_tab[]={
                                             0xc0,0xf9,0xa4,0xb0,
                                             0x99,0x92,0x82,0xf8,
                                             0x80,0x90
                                             };
u8 code bit_tab[]={
                                             0x80,0x40,0x20,0x10,
                                             0x08,0x04,0x02,0x01
                                             };

void  delay(unsigned int num)
{
      unsigned int x,y;
      for(y=num;y>0;y--)
            for(x=110;x>0;x--);
}
void display_led(u8 which_bit ,u8 which_number)
{
      bit_sel=1;
            DATA=bit_tab[which_bit];
            bit_sel=0;
            seg_sel=1;
            DATA=seg_tab[which_number];
            seg_sel=0;

}
void display(u8 which_bit,u8 which_number)
{
      u8 x,y;
            x=which_number/10;//分離十位
            y=which_number%10;//分離個位
      if (which_bit==1)
            {
            display_led(3,y);
            delay(2);
      display_led(2,x);
            delay(2);
            }
}
void reflash (void)
{
         display(1,n_ten_ms);
         display(2,n_sec);
            display(3,n_min);
}
int main(void)
{
      TMOD=0X01;
      TH0=(65535-10000)/256;//裝初值
      TL0=(65535-10000)%256;
      EA=1;//開總中斷
      ET0=1;//開定時器0中斷
      TR0=1;//啟動定時器
      //TR0=1;
            while(1)
            {
               if(start==0)
               {
               delay(5);
               if(start==0)
               {
               run_flag=~run_flag;
               }
               while(!start);
               }
               if(reset == 0)
               {
               delay(5);
               if(reset == 0 )
               {
            n_ten_ms = 0;
            n_sec = 0;
            n_min = 0;
               }
               while(!reset);
               }
               if(store == 0)
   {
      delay(5);
               if(store == 0)
               {
               if((arr_pt>=0)&&(arr_pt<5))
               {
               temp_buf[arr_pt][0] = n_ten_ms;
               temp_buf[arr_pt][1] = n_sec;
               temp_buf[arr_pt][2] = n_min;
               arr_pt++;
               }
               }
               while(!store);
   }
               if(run_flag)
               {
                  TR0=1;
               }
               else if(!run_flag)
               {
                  TR0=0;
         if(diskey == 0)
                     {
                        delay(5);
                        if(diskey == 0)
                        {
                        arr_pt --;
                        n_ten_ms = temp_buf[arr_pt][0] ;
                     n_sec = temp_buf[arr_pt][1] ;
                     n_min = temp_buf[arr_pt][2] ;
                        }
                        while(!diskey);
                     }
               }
         reflash();
            }
}
void t0_server(void) interrupt 1
{
      TH0=(65535-10000)/256;//裝初值
      TL0=(65535-10000)%256;
            n_ten_ms++;
            if (n_ten_ms>=100)
            {
               n_ten_ms=0;
               n_sec++;
               if(n_sec>=60)
               {
                  n_sec=0;
                     n_min++;
                     if(n_min>=60)
                     n_min=0;
               }
            }
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