哪位大神看下为什么状态不能循环

ID:117161 · 发表于 2017-6-14 20:42

#include<reg51.h>
#include<intrins.h>
sbit P3_0=P3^0;
// unsigned char led[]={0x90,0x82,0xc0,0x90,0xa4,0xc0};
// unsigned char led1[]={0x90,0xc0,0xf9,0xa4,0xa4,0x92};
// unsigned char led2[]={0xff,0xff,0xff,0xff,0xff,
//    0x89,0x86,0xc7,0xc7,0xc0,0xff};
// unsigned char com[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,};
// unsigned char j,n,x;
void delay(unsigned int i)
{
unsigned int k;
for(k=0;k<i;k++);
}
void disp1()
{
unsigned char led[]={0x90,0x82,0xc0,0x90,0xa4,0xc0};
unsigned char x,w;
w=0xfe;
  for(x=0;x<6;x++)
   {
   P1=0xff;
P2=w;
w=_crol_(w,1);
P1=led[x];
delay(100);
   }
}
  void disp2()
{
unsigned char led1[]={0x90,0xc0,0xf9,0xa4,0xa4,0x92};
unsigned char y,d;
d=0xfe;
  for(y=0;y<6;y++)
   {
   P1=0xff;
P2=d;
d=_crol_(d,1);
P1=led1[y];
delay(100);

   }
}
  void disp3()
  {
unsigned char led2[]={0xff,0xff,0xff,0xff,0xff,
   0x89,0x86,0xc7,0xc7,0xc0,0xff};
unsigned char com[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,};
unsigned char i,j,n;
{for(n=0;n<6;n++) //HELLO
   for(j=0;j<100;j++)
   for(i=0;i<6;i++)
   {
   P1=0xff;
P2=com[i];
P1=led2[n+i];
delay(100);
   }
   }
}
  void main()
{
  unsigned char num;
  P1=0xff;
while(1)
{
   if(P3_0==0)
{
delay(10);
  if(P3_0==0)
{
   num++;
if(num==3)
  {
  num=0;
  }
while(P3_0==0);
}
}

switch(num)
   {
case 0:disp1();break;
case 1:disp2();break;
case 2:disp3();break;
}
}
  }