想每1sLED灯亮一次,但一直没有亮起来,是不是中断设置有问题啊?该如何设置呢?感谢不吝指教
#include<STC8G.h>
unsigned int num;
unsigned int SB1S;//1S标志
sbit LED=P1^0;
void Timer0Init(void) //250US@11.0592MHz
{
AUXR &= 0x7F; //定时器时钟12T模式
TMOD &= 0xF0; //定时器模式 8位自动重装
TMOD |= 0x02; //定时器模式
TL0 = 0x1A; //³初值
TH0 = 0x1A; //初值
TF0 = 0; //清除中断标志
TR0 = 1; //打开定时器
EA=1;
}
void timer0() interrupt 1
{
TF0=0;
TR0=0;//关闭定时
TL0 = 0x1A;
TH0 = 0x1A;
num++;
if(num==4)
{
num=0;
SB1S=1;
LED=!LED;
}
TR0=1;//打开定时器
}
void main()
{
P0M0 = 0x00; P0M1 = 0x00;
P1M0 = 0x00; P1M1 = 0x00;
P2M0 = 0x00; P2M1 = 0x00;
P3M0 = 0x00; P3M1 = 0x00;
P4M0 = 0x00; P4M1 = 0x00;
P5M0 = 0x00; P5M1 = 0x00;
P6M0 = 0x00; P6M1 = 0x00;
P7M0 = 0x00; P7M1 = 0x00;
Timer0Init();
while(1);
{
}
}