stm32蜂鸣器实验代码(共1页).doc

#includesys.h #includedelay.h #includeusart.h #includeled.h #includebeep.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);