buzzer._c

ATmega16应用例子

#include <iom16v.h>
#include "E:\ICC_H\CmmICC.H"

#define OUT_BUZ		sbi(DDRB,3)	   //PB3
#define BUZ_ON  	sbi(PORTB,3)
#define BUZ_OFF 	cbi(PORTB,3)

void main(void)
{
	BUZ_DDR_OUT;
	while(1)
	{
		BUZ_ON;
		delay50ms(20);
		BUZ_OFF;
		delay50ms(20);
	}  
}