Please check this code..thanks



#include<reg52.h>
char intensity = 0;
void time(void) interrupt 1{
static int i = 0,led_on;
i++;
if(i >= 370 - 37 * intensity && led_on == 0){ //on time //.080285 sec
i = 0;
led_on = 1;

}
else if (i >= 37 * intensity && led_on == 1){ //off time
i = 0;
led_on = 0;
}
}
int main(){
TMOD = 2; //auto reload mode
TL0 = 56;
TH0 = 56;
//ET0 = 1; //enable timer 0 interupt
TR0 = 1; //timer 0 starts
//EA = 1; //Global access
EN = 0;
while(1);

}