File list (Check if you may need any files):
4X4button\4x4矩阵键盘.plg
.........\4x4矩阵键盘_Target 1.dep
.........\stm32f10x_conf.h
.........\startup_stm32f10x_hd.s
.........\stm32f10x_it.c
.........\stm32f10x_it.h
.........\main.c
.........\startup_stm32f10x_hd.lst
.........\4x4矩阵键盘.map
.........\4x4矩阵键盘_uvproj.bak
.........\4x4矩阵键盘_uvopt.bak
.........\obj\startup_stm32f10x_hd.d
.........\...\startup_stm32f10x_hd.o
.........\...\main.d
.........\...\main.crf
.........\...\stm32f10x_it.d
.........\...\stm32f10x_it.crf
.........\...\stm32f10x_it.o
.........\...\misc.d
.........\...\misc.crf
.........\...\misc.o
.........\...\stm32f10x_gpio.d
.........\...\stm32f10x_gpio.crf
.........\...\stm32f10x_gpio.o
.........\...\stm32f10x_rcc.d
.........\...\stm32f10x_rcc.crf
.........\...\stm32f10x_rcc.o
.........\...\core_cm3.d
.........\...\core_cm3.crf
.........\...\core_cm3.o
.........\...\system_stm32f10x.d
.........\...\system_stm32f10x.crf
.........\...\system_stm32f10x.o
.........\...\4x4矩阵键盘.tra
.........\...\4x4矩阵键盘.sct
.........\...\4x4矩阵键盘.lnp
.........\...\4x4矩阵键盘.htm
.........\...\stm32f10x_flash.d
.........\...\stm32f10x_flash.crf
.........\...\stm32f10x_flash.o
.........\...\stm32f10x_usart.d
.........\...\stm32f10x_usart.crf
.........\...\stm32f10x_usart.o
.........\...\4x4矩阵键盘.plg
.........\...\main.o
.........\...\4x4矩阵键盘.axf
.........\...\lcd_1602.d
.........\...\lcd_1602.crf
.........\...\lcd_1602.o
.........\...\ExtDll.iex
.........\LCD_1602.h
.........\LCD_1602.c
.........\JLinkLog.txt
.........\JLinkSettings.ini
.........\JLink Regs CM3.txt
.........\4x4矩阵键盘.uvproj
.........\4x4矩阵键盘.uvopt
.........\obj
4X4button