stm32蜂鸣器实验代码

#include"sys.h"

#include"delay.h"

#include"usart.h"

#include"led.h"

#include"beep.h"

int main(void)

{

Stm32_Clock_Init(9);

delay_init(72);

LED_Init();

BEEP_Init();

while(1)

{

LED0=0;

BEEP=0;

LED1=1;

delay_ms(300);

LED0=1;

BEEP=1;

LED1=0;

delay_ms(300); }

}