怎么改一下實現(xiàn)增加一個主持人按鈕，改寫程序，當有人按下?lián)尨鸢存I后，保持顯示相...

ID:1045644 · 發(fā)表于 2022-10-11 21:23

#include <reg51.h>
void delay(unsigned int i);
void main()
{
unsigned char button;
unsigned char code disp[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0xbf};
P0=0xff;
P1=disp[8];
while(1)
{
      button=P0;
   delay(1200);
   button=P0;
   switch(button)
{
case 0xfe: P1=disp[0];delay(10000);while(1);break;
      case 0xfd: P1=disp[1];delay(10000);while(1);break;
case 0xfb: P1=disp[2];delay(10000);while(1);break;
     case 0xf7: P1=disp[3];delay(10000);while(1);break;
case 0xef: P1=disp[4];delay(10000);while(1);break;
         case 0xdf: P1=disp[5];delay(10000);while(1);break;
case 0xbf: P1=disp[6];delay(10000);while(1);break;
      case 0x7f: P1=disp[7];delay(10000);while(1);break;
default: break;
      }
}
}
void    delay(unsigned int i)
{
  unsigned int k;
for(k=0;k<i;k++);
}