51單片機(jī):8x8點(diǎn)陣顯示心形圖案

單片機(jī)開發(fā)板是自己做的，電路很簡單8*8點(diǎn)陣的行和列分別接在單片機(jī)的p0口和p1口，p0口記得要上拉電阻哦，我測(cè)試成功見圖片，

 

#include <reg52.H>
unsigned char code tab[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f};
unsigned char code graph[]={0x30,0x48,0x44,0x22,0x44,0x48,0x30,0x00};
unsigned char cnta;
void main(void)
{
unsigned int i,j;
 TMOD=0x01;
 TH0=(65536-2000)/256;
 TL0=(65536-2000)%256;
 TR0=1;
 ET0=1;
 EA=1;
while(1)
   {
   }
}
void t0(void) interrupt 1 using 0
{
TH0=(65536-2000)/256;
TL0=(65536-2000)%256;
P1=tab[cnta];
P0=graph[cnta];
cnta++;
if(cnta==8)
  {
   cnta=0;
  }
}