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標題: 動態數碼管 [打印本頁]

作者: 小馬鍋 時間: 2017-12-15 10:16
標題: 動態數碼管
動態數碼管，滾動顯示日期！
#include<REGX51.h>
void main(void)
{
const unsigned char design[17]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,
                        0x80,0x90,0x88,0x83,0xc6,0xa1,0x86,0x8e,0xff};
unsigned char DisplayBuffer[24]={16,16,16,16,16,16,16,16,2,0,1,7,0,3,2,2,16,16,16,16,16,16,16,16};
unsigned int a;
unsigned char b;
unsigned char w;
unsigned char n;
unsigned char j;
do{
   for(n=1;n<17;n++)
   {
for(j=1;j<20;j++)
{
   w=1;

   for(b=0;b<8;b++)
   {
   for(a=0;a<500;a++);    //延時一段時間
P0=255;       //滅顯示
P2=~design[DisplayBuffer[b+n]];
P0=~w;
   w=w<<1; //邏輯左移
      }
   }
}
   }while(1);
}

jj.jpg (88.94 KB, 下載次數: 38)

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