这样写对不对啊?求指导啊
#include<reg52.h>
sbit led=P0^0;
int count;
void main()
{
TMOD=0x01; //定时器0,工作方式1
TH0=(65536-1000)/256;
TL0=(65536-1000)%256;
EA=1;
ET0=1; //开定时器0中断
TR0=1; //启动定时器0
}
void time0() interrupt 1
{
count++;
if(Pre count != count)
{
Pre counts=counts;
P0^0 = !P0^0;
}
if((Pre counts/1000) != (counts/1000))
{
Pre counts=counts;
P0^1 = !P0^1;
}
if(Pre counts == 5000)
{
Pre counts=0;
P0^2 = !P0^2;
}
}