菜鸟求教！！！！！！！！！！！！！！

只看该作者 · 2014-4-8 14:58

#include<reg51.h>
#include<intrins.h>

void main()
{
unsigned char f;
unsigned char code Tab[]={0x40,0x79,0x24,0x30,0x19,0x12,0x02,0x78};
unsigned char code wei[]={0xf1,0xf3,0xf5,0xf7,0xf9,0xfb,0xfd,0xff};
TMOD=0x01;
TH0=(65536-3000)/256;
TL0=(65536-3000)%256;
TR0=1;
ET0=1;
EA=1;
while(1)
{
P0=0x40;
P2=0xf1;
while(TF0)
{
   P2=wei[f];
   P0=Tab[f];
   TF0=0;
   f=f+1;

}
}
}
void time0_int(void) interrupt 0
{
TH0=(65536-3000)/256;
TL0=(65536-3000)%256;
}
为什么数码管不动呢。。。

只看该作者 · 2014-4-8 15:10

#include<reg51.h>
#include<intrins.h>

void main()
{
unsigned char f;
unsigned char code Tab[]={0x40,0x79,0x24,0x30,0x19,0x12,0x02,0x78};
unsigned char code wei[]={0xf1,0xf3,0xf5,0xf7,0xf9,0xfb,0xfd,0xff};
TMOD=0x01;
TH0=(65536-30000)/256;
TL0=(65536-30000)%256;
TR0=1;
ET0=1;
EA=1;
while(1)
{
P0=0x40;
P2=0xf1;
while(1)
{
if(TF0)
{
   P2=wei[f];
   P0=Tab[f];
   TF0=0;
   f=f+1;
   if(f==8)
   {
   f=0;
   }
   }
}
}
}
void time0_int(void) interrupt 1
{
TH0=(65536-30000)/256;
TL0=(65536-30000)%256;
}