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#include <reg51.h>
#define unsigned char ;
sbit pwm1=P1^0;
sbit pwm2=P1^1;
unsigned char a=0;
unsigned char T=50;
unsigned char h=10;
void timer0() interrupt 1
{
TH0=(65536-5000)/256;
TL0=(65536-5000)%256;
a++;
if(a == h)
{
pwm1=0;
}
else if(a == T)
{
a=0;
pwm1=1;
}
}
void main()
{
TMOD=0x01;
TH0=(65536-5000)/256;
TL0=(65536-5000)%256;
EA=1;
ET0=1;
TR0=1;
while(1)
{
}
}
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