要求和仿真出现的问题如图 不知道是代码/电路问题还是仿真自身的不足
Proteus没有带dp的单管 就用了mpx4
代码如下
#include<reg51.h>
#include<intrins.h>
#define uchar unsigned char
uchar code segtab[]=
{0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0x88,
0x83,0xc6,0xa1,0x86,0x8e,0x89,0x8c,0xff,0xbf,0x8d};
uchar dbuf[6]={0,0,0,0,0x12,0x11};
sbit SPK=P1^0;
sbit K1=P2^4;
sbit K2=P2^5;
sbit K3=P2^6;
sbit K4=P2^7;
bit start;
void delay(void)
{ uchar i;
for(i=0;i<200;i++);
}
void int0(void)interrupt 0
{ start=1;
}
void disp(void)
{ uchar n,bsel;
bsel=0x01;
for(n=0;n<6;n++)
{ P2=bsel;
P0=segtab[dbuf[n]];
bsel=_crol_(bsel,1);
delay();
P0=0xff;
}
}
void main(void)
{
uchar i;
start=0;
EX0=1;
IT0=1;
EA=1;
while(1)
{ while(start==0)disp();
start=0;
dbuf[5]=0;
while((P2&0x0f)==0x0f)disp();
for(i=0;i<10;i++)disp();
if((P2&0x0f)!=0x0f)
{
if(K1==0)i=1;
else if(K2==0)i=2;
else if(K3==0)i=3;
else if(K4==0)i=4;
dbuf[5]=i;
dbuf[i-1]=dbuf[i-1]+1;
for(i=0;i<200;i++)
{ delay();
SPK=~SPK;
}
}
}
} |
