51单片机,在实现流水灯功能的时候,想计灯亮的次数,可是只有在灯变换的时候才会显示,咋办了?
#include <reg52.h>
#include <intrins.h>
#define uint unsigned int
#define uchar unsigned char
void delayms(uint);
void display(uchar,uchar);
uchar buf,bud,sh,ge,second,u;
unsigned char b,s;
sbit dula=P2^6;
sbit wela=P2^7;
uchar code table[]={
0x3f,0x06,0x5b,0x4f,
0x66,0x6d,0x7d, 0x07,
0x7f,0x6f,0x77,0x7c,
0x39,0x5e,0x79,0x71};
void display(uchar sh,uchar ge)
{
dula=1;
P0=table[sh];
dula=0;
P0=0xff;
wela=1;
P0=0xfe;
wela=0;
delayms(5);
dula=1;
P0=table[ge];
dula=0;
P0=0xff;
wela=1;
P0=0xfd;
wela=0;
delayms(5);
}
void main()
{
TMOD=0x11;
TH0=(65536-45872)/256;
TL0=(65536-45872)%256;
TH1=(65536-45872)/256;
TL1=(65536-45872)%256;
EA=1;
ET0=1;
ET1=1;
TR0=1;
TR1=1;
u=0xfe;
while(1)
{
P1=u;
delayms(500);
u=_crol_(u,1);
display(sh,ge); }
}
}
void delayms(uint xms)
{
uint i,j;
for(i=xms;i>0;i--)
for(j=110;j>0;j--);
}
void T1_time() interrupt 3
{
TH1=(65536-45872)/256;
TL1=(65536-45872)%256;
buf++;
if(buf==20)
{
buf=0;
second++;
if(second==100)
second=0;
sh=second/10;
ge=second%10;
]
}
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