







//ŷŷŷŷŷŷŷŷŷŷŷŷŷ

//ŷƲ:pwma ʱ10KHZ
u8 sf_bz=0;
u32 sf_yunxing=0;
//ŷƲ:pwma ʱ10KHZ






//ŷ
	EA=0;
	if (P27==0)
	{sf_bz=1;
	sf_yunxing=60000;	
	}
	
	if (sf_yunxing<=10000)
	{sf_bz=0;
	sf_yunxing=0;	
	P03=0;
	}
	EA=1;
	//ŷ






ִ

PWMA_ISR() interrupt 26


//ŷ
if (sf_bz==1)
{P03=!P03;
sf_yunxing=sf_yunxing-1;
}
//ŷ


//ŷŷŷŷŷŷŷŷŷŷŷŷŷ