51单片机定时器及数码管显示

ID:169931 · 发表于 2017-3-11 20:13

#include<reg52.h>
#define uint unsigned int
#define uchar unsigned char
sbit dula=P2^6;
sbit wela=P2^7;
sbit d1=P1^0;
uchar num,num1;tt;
uchar code table[]={
0x3f,0x06,0x5b,0x4f,
0x66,0x6d,0x7d,0x07,
0x7f,0x6f,0x77,0x7c,
0x39,0x5e,0x79,0x71};
void delay(uint z);
void main()
{
num=0;
tt=0;
TMOD=0x11;//设置定时器0为工作方式1
TH0=(65536-10000)/256;
TL0=(65536-10000)%256;
TH1=(65536-20000)/256;
TL1=(65536-20000)%256;
// EA=1;//开总中断
ET0=1;//开定时器0中断
ET1=1;
TR0=1;//启动定时器0
TR1=1;
wela=1;//11101010
P0=0xea;
wela=0;
dula=1;
P0=0x3f;
dula=0;
while(1)
{
if(num1==25)
{
num1=0;
P1=~P1;
}
if(tt==100)
{
tt=0;
num++;
if(num==16)
num=0;
dula=1;
P0=table[num];
dula=0;
}
}
}

void delay(uint z)
{
uint x,y;
for(x=z;x>0;x--)
for(y=110;y>0;y--);
}

void time0() interrupt 1
{
TH0=(65536-10000)/256;
TL0=(65536-10000)%256;
tt++;
}
void time1() interrupt 3
{
TH1=(65536-20000)/256;
TL1=(65536-20000)%256;
num1++;
}

帐号		自动登录	找回密码
密码			立即注册