File list (Check if you may need any files):
lesson key\test\hardware\key.c
..........\....\........\key.h
..........\....\........\led.c
..........\....\........\led.h
..........\....\SYSTEM\delay\delay.c
..........\....\......\.....\delay.h
..........\....\......\sys\sys.c
..........\....\......\...\sys.h
..........\....\......\usart\usart.c
..........\....\......\.....\usart.h
..........\....\user\delay.crf
..........\....\....\delay.d
..........\....\....\delay.o
..........\....\....\delay.__i
..........\....\....\ExtDll.iex
..........\....\....\JLinkLog.txt
..........\....\....\JLinkSettings.ini
..........\....\....\key.crf
..........\....\....\key.d
..........\....\....\key.o
..........\....\....\key.__i
..........\....\....\led.crf
..........\....\....\led.d
..........\....\....\led.o
..........\....\....\led.__i
..........\....\....\startup\cortexm3_macro.s
..........\....\....\.......\startup_stm32f10x_cl.s
..........\....\....\.......\startup_stm32f10x_hd.s
..........\....\....\.......\startup_stm32f10x_ld.s
..........\....\....\.......\startup_stm32f10x_ld_vl.s
..........\....\....\.......\startup_stm32f10x_md.s
..........\....\....\.......\startup_stm32f10x_md_vl.s
..........\....\....\.......\startup_stm32f10x_xl.s
..........\....\....\.......\stm32f10x_startup.s
..........\....\....\startup_stm32f10x_hd.d
..........\....\....\startup_stm32f10x_hd.lst
..........\....\....\startup_stm32f10x_hd.o
..........\....\....\startup_stm32f10x_hd_vl.d
..........\....\....\startup_stm32f10x_hd_vl.lst
..........\....\....\startup_stm32f10x_hd_vl.o
..........\....\....\startup_stm32f10x_hd_vl.s
..........\....\....\startup_stm32f10x_md.d
..........\....\....\startup_stm32f10x_md.lst
..........\....\....\startup_stm32f10x_md.o
..........\....\....\startup_stm32f10x_md._ia
..........\....\....\sys.crf
..........\....\....\sys.d
..........\....\....\sys.o
..........\....\....\sys.__i
..........\....\....\Target 1.BAT
..........\....\....\test.c
..........\....\....\test.crf
..........\....\....\test.d
..........\....\....\test.hex
..........\....\....\test.htm
..........\....\....\test.lnp
..........\....\....\test.map
..........\....\....\test.plg
..........\....\....\test.sct
..........\....\....\test.tra
..........\....\....\test.uvgui.Administrator
..........\....\....\test.uvgui_Administrator.bak
..........\....\....\test.uvopt
..........\....\....\test.uvproj
..........\....\....\test.__i
..........\....\....\test_Target 1.dep
..........\....\....\test_uvopt.bak
..........\....\....\test_uvproj.bak
..........\....\....\usart.crf
..........\....\....\usart.d
..........\....\....\usart.o
..........\....\....\usart.__i
..........\....\SYSTEM\delay
..........\....\......\sys
..........\....\......\usart
..........\....\user\startup
..........\....\hardware
..........\....\SYSTEM
..........\....\user
..........\test
lesson key