欧美极品高清xxxxhd,国产日产欧美最新,无码AV国产东京热AV无码,国产精品人与动性XXX,国产传媒亚洲综合一区二区,四库影院永久国产精品,毛片免费免费高清视频,福利所导航夜趣136

標(biāo)題: 51單片機(jī)_六位數(shù)碼管秒表_開發(fā)板制作_秒表定時(shí)器 [打印本頁]

作者: 我_I_NI 時(shí)間: 2018-10-28 21:47
標(biāo)題: 51單片機(jī)_六位數(shù)碼管秒表_開發(fā)板制作_秒表定時(shí)器
以下是代碼，可以自行更改端口
#include<reg52.h>
#define uchar unsigned char
#define uint unsigned int
sbit dula=P2^6;                      //聲明u1鎖存器端口
sbit wela=P2^7;                      // u2
sbit pausekey=P3^4;                   //按鍵端口

int num0,num1,num2;
uchar sh0,sh1,sh2,ge0,ge1,ge2;

uchar code table[]={
  0x3f,0x06,0x5b,0x4f,
0x66,0x6d,0x7d,0x07,
0x7f,0x6f,0x77,0x7c,
0x39,0x5e,0x79,0x71};

void delayms(uint xms)             //延時(shí)
{
uint i,k;
for(i=xms;i>0;i--)
   for(k=110;k>0;k--)  ;
}

void init()                         //初始化
{
TMOD=0x10;                   //設(shè)置定時(shí)器1工作方式1
TH1=(65536-9175)/256;             //10ms
TL1=(65536-9175)%256;
EA=1;
ET1=1;
}

void keyscan() //鍵盤輸入
{
if(pausekey==0)
{
delayms(10);
if(pausekey==0)
{
while(!pausekey);          //持續(xù)按著
TR1=~TR1;                   //啟動(dòng)或停止定時(shí)器1
}
}
}

void display(uchar sh0,uchar sh1,uchar sh2,
   uchar ge0,uchar ge1,uchar ge2) //顯示
{
dula=1;
P0=table[ge0];
dula=0;
P0=0xff;
wela=1;
P0=0xdf;
wela=0;
delayms(5);

dula=1;
P0=table[sh0];
dula=0;
P0=0xff;
wela=1;
P0=0xef;
wela=0;
delayms(5);

dula=1;
P0=table[ge1];
dula=0;
P0=0xff;
wela=1;
P0=0xf7;
   wela=0;
delayms(5);

dula=1;
P0=table[sh1];
dula=0;
P0=0xff;
wela=1;
P0=0xfb;
delayms(5);

dula=1;
P0=table[ge2];
dula=0;
P0=0xff;
wela=1;
P0=0xfd;
wela=0;
delayms(5);

dula=1;
P0=table[sh2];
dula=0;
P0=0xff;
wela=1;
P0=0xfe;
wela=0;
delayms(5);
}

void T1_time() interrupt 3
{
TH1=(65536-9175)/256;    //重裝初值
TL1=(65536-9175)%256;
num0++;
if(num0==100)
{
num1++;
num0=0;
}
if(num1==60)
{
num2++;
num1=0;
}
if(num2==100)
{
num0=0;
num1=0;
num2=0;
}

sh0=num0/10;
      ge0=num0%10;
      sh1=num1/10;
      ge1=num1%10;
      sh2=num2/10;
      ge2=num2%10;
}

void main()
{
init();
while(1)
{
keyscan();
display(sh0,sh1,sh2,ge0,ge1,ge2);
}
}

歡迎光臨 (http://www.raoushi.com/bbs/)