实验3 按键输入实验\HARDWARE\BEEP\beep.c
..................\........\....\beep.h
..................\........\KEY\key.c
..................\........\...\key.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
..................\........\KEY
..................\........\LED
..................\SYSTEM\delay
..................\......\sys
..................\......\usart
..................\HARDWARE
..................\OBJ
..................\SYSTEM
..................\USER
实验3 按键输入实验