stm32蜂鸣器实验代码

#includesys.h#includedelay.h#includeusart.h#includeled.h#includebeep.hintmain(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);}}