单片机数码管动态扫描显示12345678

ID:318620 · 发表于 2018-5-13 16:45

#include <REG52.H>
#define uint unsigned int
#define uchar unsigned char
uchar code DIS_SEG7[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0x88,0x83,0xc6,0xa1,0x86,0x8e};
uchar code DIS_BIT[8]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f};
/****************************/
void delay(uint k)
{
uint data i,j;
for(i=0;i<k;i++)
{for(j=0;j<121;j++)
{;}}
}
/***********************************/
void main(void)
{
      uchar cnt;
      while(1)
      {
      for(cnt=0;cnt<8;cnt++)
      {P0=DIS_SEG7[cnt+1];
         P2=DIS_BIT[cnt];
         delay(1);
P2=0xff;
   P0=0xff;
}

      }
}

ID:208318 · 发表于 2018-5-15 08:24

你好，程序好像不多，显示不了

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