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標題: 單片機數碼管動態顯示代碼 [打印本頁]

作者: fly---==== 時間: 2021-8-10 18:35
標題: 單片機數碼管動態顯示代碼
#include<reg52.h>
#defineuint unsigned int
#define  uchar unsigned char
sbitdula=P2^6;
sbitwela=P2^7;
ucharcode table[]={0x06,0x5b,0x4f,0x66,
                  0x6d,0x7d,0x07,0x7f,0x6f,
                  0x77,0x7c,0x39,0x5e,0x79,
                  0x71,0x00,0x80};
ucharcode tablewe[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf};
uintnum,t;
sbitd1=P1^0;
voiddelay(uint);
voidmain()
{
   TMOD=0x01;
               TH0=(65536-2000)/256;
               TL0=(65536-2000)%256;
               EA=1;
               ET0=1;
               TR0=1;




               num=0;
               while(1)
               {
                                                if(t=1)
                                                {
                                                                           t=0;

                                                                           wela=1;
                                                                           P0=tablewe[num];
                                                                           wela=0;


                                                                           dula=1;
                                                                           P0=table[num];
                                                                        dula=0;
                                                                           delay(10);


                                                                           num++;
                                                                           if(num==6)
                                                                              num=0;


                                                         }
   }

}
voiddelay(uint b)
{
uint a, c;
               for(a=10;a;a--)
                  for(c=b;c;c--);
}
void extern0()interrupt 1
{
   t++;
}

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