闲来无事随意写回复8*8点阵显示箭头单片机程序 -

标题: 闲来无事随意写回复8*8点阵显示箭头单片机程序 [打印本页]

作者: xianfajushi 时间: 2022-12-1 13:58
标题: 闲来无事随意写回复8*8点阵显示箭头单片机程序
缘由http://www.51hei.com/bbs/dpj-225369-1.html

#include<reg52.h>
unsigned char code M[]={
      0xff,0xff,0xfe,0xfd,0xf8,0xfd,0xfe,0xff,
  0xff,0xff,0xfd,0xfb,0xf0,0xfb,0xfd,0xff,
  0xff,0xff,0xfb,0xf7,0xe0,0xf7,0xfb,0xff,
  0xff,0xff,0xf7,0xef,0xc0,0xef,0xf7,0xff,
  0xff,0xff,0xef,0xdf,0x80,0xdf,0xef,0xff,
  0xff,0xff,0xdf,0xbf,0x00,0xbf,0xdf,0xff};

void main()
{
      unsigned char wei=0,zt=1,ys=0,cs=0,sj=0;
      while(1)
      {

            if(wei==0)wei=1;else wei*=2;
            P3=M[sj+cs];
            P2=wei;
            while(++ys);
            P2=P3=255;
            if(++sj>8){sj=0;++zt;}
            if(zt>47){cs+=8;if(cs>40)cs=0;zt=0;}
      }
}

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