File list (Check if you may need any files):
HY-SRF05
........\HARDWARE
........\........\HYSRF05
........\........\.......\HYSRF05.c
........\........\.......\HYSRF05.h
........\keilkilll.bat
........\README.TXT
........\SYSTEM
........\......\delay
........\......\.....\delay.c
........\......\.....\delay.h
........\......\sys
........\......\...\cortexm3_macro.h
........\......\...\stm32f10x_conf.h
........\......\...\stm32f10x_it.h
........\......\...\stm32f10x_map.h
........\......\...\stm32f10x_nvic.h
........\......\...\stm32f10x_type.h
........\......\...\sys.c
........\......\...\sys.h
........\......\usart
........\......\.....\usart.c
........\......\.....\usart.h
........\USER
........\....\delay.crf
........\....\delay.d
........\....\delay.o
........\....\dht11.crf
........\....\dht11.d
........\....\dht11.o
........\....\ExtDll.iex
........\....\JLink Regs CM3.txt
........\....\JLinkLog.txt
........\....\JLinkSettings.ini
........\....\led.crf
........\....\led.d
........\....\led.o
........\....\led.__i
........\....\STM32F10x.d
........\....\STM32F10x.lst
........\....\STM32F10x.o
........\....\STM32F10x.s
........\....\sys.crf
........\....\sys.d
........\....\sys.o
........\....\TEST.axf
........\....\test.c
........\....\test.crf
........\....\test.d
........\....\TEST.hex
........\....\TEST.htm
........\....\TEST.lnp
........\....\TEST.map
........\....\test.o
........\....\TEST.opt.bak
........\....\TEST.plg
........\....\TEST.sct
........\....\TEST.tra
........\....\TEST.Uv2.bak
........\....\TEST.uvgui.Administrator
........\....\TEST.uvgui.TheFirst
........\....\TEST.uvgui.xiong
........\....\TEST.uvgui_Administrator.bak
........\....\TEST.uvgui_TheFirst.bak
........\....\TEST.uvgui_xiong.bak
........\....\TEST.uvopt
........\....\TEST.uvproj
........\....\test.__i
........\....\TEST_Opt.Bak
........\....\TEST_Target 1.dep
........\....\TEST_Uv2.Bak
........\....\TEST_uvopt.bak
........\....\TEST_uvproj.bak
........\....\usart.crf
........\....\usart.d
........\....\usart.o