File list (Check if you may need any files):
K20_Keil_Demo
.............\K20_GPIO
.............\........\OBJ
.............\........\...\adc.crf
.............\........\...\adc.d
.............\........\...\adc.o
.............\........\...\dac.crf
.............\........\...\dac.d
.............\........\...\delay.crf
.............\........\...\delay.d
.............\........\...\delay.o
.............\........\...\dma.crf
.............\........\...\dma.d
.............\........\...\dma.o
.............\........\...\flash.crf
.............\........\...\flash.d
.............\........\...\flash.o
.............\........\...\ftm.crf
.............\........\...\ftm.d
.............\........\...\ftm.o
.............\........\...\gpio.crf
.............\........\...\gpio.d
.............\........\...\gpio.o
.............\........\...\i2c.crf
.............\........\...\i2c.d
.............\........\...\i2c.o
.............\........\...\isr.crf
.............\........\...\isr.d
.............\........\...\isr.o
.............\........\...\key.crf
.............\........\...\key.d
.............\........\...\key.o
.............\........\...\led.crf
.............\........\...\led.d
.............\........\...\led.o
.............\........\...\lptm.crf
.............\........\...\lptm.d
.............\........\...\lptm.o
.............\........\...\main.crf
.............\........\...\main.d
.............\........\...\main.o
.............\........\...\nrf2401.crf
.............\........\...\nrf2401.d
.............\........\...\nrf2401.o
.............\........\...\pdb.crf
.............\........\...\pdb.d
.............\........\...\pdb.o
.............\........\...\pit.crf
.............\........\...\pit.d
.............\........\...\pit.o
.............\........\...\rtc.crf
.............\........\...\rtc.d
.............\........\...\rtc.o
.............\........\...\sd.crf
.............\........\...\sd.d
.............\........\...\spi.crf
.............\........\...\spi.d
.............\........\...\spi.o
.............\........\...\spilcd.crf
.............\........\...\spilcd.d
.............\........\...\spilcd.o
.............\........\...\startup_mk20d5.d
.............\........\...\startup_mk20d5.o
.............\........\...\sys.crf
.............\........\...\sys.d
.............\........\...\sys.o
.............\........\...\system_mk20d5.crf
.............\........\...\system_mk20d5.d
.............\........\...\system_mk20d5.o
.............\........\...\template.axf
.............\........\...\template.hex
.............\........\...\template.htm
.............\........\...\template.lnp
.............\........\...\template.plg
.............\........\...\template.sct
.............\........\...\tsi.crf
.............\........\...\tsi.d
.............\........\...\uart.crf
.............\........\...\uart.d
.............\........\...\uart.o
.............\........\...\wdog.crf
.............\........\...\wdog.d
.............\........\...\wdog.o
.............\........\PRJ
.............\........\...\JLinkSettings.ini
.............\........\...\startup_mk20d5.lst
.............\........\...\template.map
.............\........\...\template.uvgui.Administrator
.............\........\...\template.uvgui.Roger
.............\........\...\template.uvgui_Roger.bak
.............\........\...\template.uvopt
.............\........\...\template.uvproj
.............\........\...\template_DebugInFlash.dep
.............\........\...\template_Template.dep
.............\........\SRC
.............\........\...\FWLIB
.............\........\...\.....\ADC
.............\........\...\.....\...\adc.c
.............\........\...\.....\...\adc.h
.............\........\...\.....\CAN