File list (Check if you may need any files):
Systick_\keilC\list\startup_stm32f40_41xxx.lst
........\.....\....\systick.map
........\.....\obj\main.crf
........\.....\...\main.d
........\.....\...\main.o
........\.....\...\misc.crf
........\.....\...\misc.d
........\.....\...\misc.o
........\.....\...\startup_stm32f40_41xxx.d
........\.....\...\startup_stm32f40_41xxx.o
........\.....\...\stm32f4xx_gpio.crf
........\.....\...\stm32f4xx_gpio.d
........\.....\...\stm32f4xx_gpio.o
........\.....\...\stm32f4xx_it.crf
........\.....\...\stm32f4xx_it.d
........\.....\...\stm32f4xx_it.o
........\.....\...\stm32f4xx_rcc.crf
........\.....\...\stm32f4xx_rcc.d
........\.....\...\stm32f4xx_rcc.o
........\.....\...\stm32f4xx_tim.crf
........\.....\...\stm32f4xx_tim.d
........\.....\...\stm32f4xx_tim.o
........\.....\...\system_stm32f4xx.crf
........\.....\...\system_stm32f4xx.d
........\.....\...\system_stm32f4xx.o
........\.....\...\systick.axf
........\.....\...\systick.build_log.htm
........\.....\...\systick.htm
........\.....\...\systick.lnp
........\.....\...\systick.sct
........\.....\systick.build_log.htm
........\.....\systick.uvgui.anh vuong
........\.....\systick.uvgui.vu
........\.....\systick.uvgui_vu.bak
........\.....\systick.uvopt
........\.....\systick.uvproj
........\.....\systick_Target 1.dep
........\user\main.c
........\....\stm32f4xx_conf.h
........\....\stm32f4xx_it.c
........\....\stm32f4xx_it.h
........\....\system_stm32f4xx.c
........\keilC\list
........\.....\obj
........\keilC
........\user
Systick_