实验2 蜂鸣器实验\HARDWARE\BEEP\beep.c
................\........\....\beep.h
................\........\LED\led.c
................\........\...\led.h
................\keilkill.bat
................\OBJ\test.hex
................\README.TXT
................\SYSTEM\delay\delay.c
................\......\.....\delay.h
................\......\sys\sys.c
................\......\...\sys.h
................\......\usart\usart.c
................\......\.....\usart.h
................\USER\startup_stm32f10x_hd.s
................\....\test.c
................\....\test.Opt
................\....\test.Uv2
................\HARDWARE\BEEP
................\........\LED
................\SYSTEM\delay
................\......\sys
................\......\usart
................\HARDWARE
................\OBJ
................\SYSTEM
................\USER
实验2 蜂鸣器实验