流水灯与数码管显示

用动态扫描，定时器1在数码管显示出从765432开始以1/10秒的速度往下递减至765398并保持此数，并用定时器0以500ms进行流水灯从上至下移动，当数码管的数减到停止时，流水灯停止然后全部开始闪烁200ms间隔，3s后（T0定时）流水灯全部关闭，数码管显示hello，到此保持住。

#include<reg52.h>
#include<intrins.h>
#define uchar unsigned char
#define uint unsigned int
sbit dula=P2^6;
sbit wela=P2^7;
uint shu;
uchar bai,shi,ge,aa,bb,cc,tt,t1,tempt,flag,flag1;
void init();
void delay(uint z);
uchar code table[]={
                    0x3f,0x06,0x5b,0x4f,
                    0x66,0x6d,0x7d,0x07,
                    0x7f,0x6f,0x77,0x7c,
                    0x39,0x5e,0x79,0x71,
                    0x76,0x79,0x38,0x3f,0
                    };
void display(aa,bb,cc,bai,shi,ge);
void main()
{
    tempt=0xfe;
    P1=tempt;
    init();
    shu=432;
    while(1)
    {
        </span><span style="color: #0000ff;">if</span>(flag1!=<span style="color: #800080;">1</span><span style="color: #000000;">)
            display(</span><span style="color: #800080;">7</span>,<span style="color: #800080;">6</span>,<span style="color: #800080;">5</span><span style="color: #000000;">,bai,shi,ge);
        </span><span style="color: #0000ff;">else</span><span style="color: #000000;">
            display(</span><span style="color: #800080;">16</span>,<span style="color: #800080;">17</span>,<span style="color: #800080;">18</span>,<span style="color: #800080;">18</span>,<span style="color: #800080;">19</span>,<span style="color: #800080;">20</span><span style="color: #000000;">);
    }    

}
void display(aa,bb,cc,bai,shi,ge)

{

dula=1;

P0=table[aa];

dula=0;

P0=0xff;

wela=1;

P0=0xfe;

wela=0;

delay(1);
dula</span>=<span style="color: #800080;">1</span><span style="color: #000000;">;
P0</span>=<span style="color: #000000;">table[bb];
dula</span>=<span style="color: #800080;">0</span><span style="color: #000000;">;
P0</span>=<span style="color: #800080;">0xff</span><span style="color: #000000;">;
wela</span>=<span style="color: #800080;">1</span><span style="color: #000000;">;
P0</span>=<span style="color: #800080;">0xfd</span><span style="color: #000000;">;
wela</span>=<span style="color: #800080;">0</span><span style="color: #000000;">;        
delay(</span><span style="color: #800080;">1</span><span style="color: #000000;">);

dula</span>=<span style="color: #800080;">1</span><span style="color: #000000;">;
P0</span>=<span style="color: #000000;">table[cc];
dula</span>=<span style="color: #800080;">0</span><span style="color: #000000;">;
P0</span>=<span style="color: #800080;">0xff</span><span style="color: #000000;">;
wela</span>=<span style="color: #800080;">1</span><span style="color: #000000;">;
P0</span>=<span style="color: #800080;">0xfb</span><span style="color: #000000;">;
wela</span>=<span style="color: #800080;">0</span><span style="color: #000000;">;
delay(</span><span style="color: #800080;">1</span><span style="color: #000000;">);

dula</span>=<span style="color: #800080;">1</span><span style="color: #000000;">;
P0</span>=<span style="color: #000000;">table[bai];
dula</span>=<span style="color: #800080;">0</span><span style="color: #000000;">;
P0</span>=<span style="color: #800080;">0xff</span><span style="color: #000000;">;
wela</span>=<span style="color: #800080;">1</span><span style="color: #000000;">;
P0</span>=<span style="color: #800080;">0xf7</span><span style="color: #000000;">;
wela</span>=<span style="color: #800080;">0</span><span style="color: #000000;">;
delay(</span><span style="color: #800080;">1</span><span style="color: #000000;">);

dula</span>=<span style="color: #800080;">1</span><span style="color: #000000;">;
P0</span>=<span style="color: #000000;">table[shi];
dula</span>=<span style="color: #800080;">0</span><span style="color: #000000;">;
P0</span>=<span style="color: #800080;">0xff</span><span style="color: #000000;">;
wela</span>=<span style="color: #800080;">1</span><span style="color: #000000;">;
P0</span>=<span style="color: #800080;">0xef</span><span style="color: #000000;">;
wela</span>=<span style="color: #800080;">0</span><span style="color: #000000;">;        
delay(</span><span style="color: #800080;">1</span><span style="color: #000000;">);

dula</span>=<span style="color: #800080;">1</span><span style="color: #000000;">;
P0</span>=<span style="color: #000000;">table[ge];
dula</span>=<span style="color: #800080;">0</span><span style="color: #000000;">;
P0</span>=<span style="color: #800080;">0xdf</span><span style="color: #000000;">;
wela</span>=<span style="color: #800080;">1</span><span style="color: #000000;">;
P0</span>=<span style="color: #800080;">0xdf</span><span style="color: #000000;">;
wela</span>=<span style="color: #800080;">0</span><span style="color: #000000;">;
delay(</span><span style="color: #800080;">1</span><span style="color: #000000;">);

}

void init()

{
TMOD</span>=<span style="color: #800080;">0x11</span>;<span style="color: #008000;">//</span><span style="color: #008000;">设置定时器为工作方式(0001 0001)</span>
TH0=(<span style="color: #800080;">65536</span>-<span style="color: #800080;">50000</span>)/<span style="color: #800080;">256</span>;<span style="color: #008000;">//</span><span style="color: #008000;">装初值</span>
TL0=(<span style="color: #800080;">65536</span>-<span style="color: #800080;">50000</span>)%<span style="color: #800080;">256</span><span style="color: #000000;">;
TH1</span>=(<span style="color: #800080;">65536</span>-<span style="color: #800080;">50000</span>)/<span style="color: #800080;">256</span>;<span style="color: #008000;">//</span><span style="color: #008000;">装初值</span>
TL1=(<span style="color: #800080;">65536</span>-<span style="color: #800080;">50000</span>)%<span style="color: #800080;">256</span><span style="color: #000000;">;
EA</span>=<span style="color: #800080;">1</span>; <span style="color: #008000;">//</span><span style="color: #008000;">开总中断</span>
ET0=<span style="color: #800080;">1</span>; <span style="color: #008000;">//</span><span style="color: #008000;">开定时器1中断</span>
ET1=<span style="color: #800080;">1</span><span style="color: #000000;">;
TR0</span>=<span style="color: #800080;">1</span>;<span style="color: #008000;">//</span><span style="color: #008000;">启动定时器1</span>
TR1=<span style="color: #800080;">1</span><span style="color: #000000;">;

}

void timer1() interrupt 3

{

TH1=(65536-50000)/256;//装初值

TL1=(65536-50000)%256;

t1++;

if(t12)

{

t1=0;

shu--;

bai=shu/100;

shi=shu%100/10;

ge=shu%10;

if(shu398)

{

TR0=0;

TH0=(65536-50000)/256;//装初值

TL0=(65536-50000)%256;

TR0=1;

flag=1;

tt=0;

P0=0xff;

TR1=0;

}
    }

}

void delay(uint z)

{

uint x,y;

for(x=z;x>0;x--)

for(y=110;y>0;y--);

}

void timer0() interrupt 1

{

TH0=(65536-50000)/256;//装初值

TL0=(65536-50000)%256;

tt++;

if(flag!=1)

{

if(tt10)

{

tt=0;

 tempt=crol(tempt,1);

                P1=tempt;

}

}

else

{

if(tt%40)//间隔200ms闪烁

P1=~P1;

if(tt==60)//闪烁3s

        {

TR0=0;

P1=0xff;

flag1=1;//标志位

        }
}
}