帮你搞定了,在51hei-5板子上运行成功,一号按钮为板子下面的独立按键 INT0键
#include<at89x52.h>
#include<intrins.h>//参数左移头文件
#define uint unsigned int
#define uchar unsigned char
uchar temp,aa,numdu,numwe;
sbit dula=P2^6;//定义dula
sbit wela=P2^7;//定义wela
uchar code table[]={
0x3f,0x06,0x5b,0x4f,
0x66,0x6d,0x7d,0x07,
0x7f,0x6f,0x77,0x7c,
0x39,0x5e,0x79,0x71};//数给的格试uchar code table[]={}在{}中要写入数据
uchar code tablewe[]={
0xfe,0xfd,0xfb,0xf7,0xef,0xdf};
void main()
{
numdu=0;
numwe=0;
aa=0;
TMOD=0x01;//对TMOD付值也可写:TMOD=1;
TH0=(65536-50000)/256;//THO初值,"/"为求莫,(65536-50000)/256放到高8位中
TL0=(65536-50000)%256;//HO初值,"*"为求余,(65536-50000)%256放到低8位中
EA=1;//开总中断
ET0=1;//开定时器中断
TR0=1;//启动定时器
/*定时器/计数器设置流程
1对TMOD赋值,以确定T0及T1的工作方式;
2计算初值,并将其值写入TH0,TL0或TH1,TL1中;
3中断方式时,则对IE赋值,开放中断;
4致TR0或TR1置位,启动定时/计数器定时或计数
*/
while(1)
{
if(P3_2==0)
{
P1_4=0;
P0_0=0;
P0_1=0;
}
if(aa==100)
{
aa=0;
P0_1=1;
P0_2=0;
}
if(P3_4==0)
{
P1_4=0;
P0_0=1;
P0_2=1;
}
}
}
void timer0() interrupt 1
{
TH0=(65536-50000)/256;
TL0=(65536-50000)%256;
aa++;
}
|