File list (Check if you may need any files):
gpio
....\key_led
....\.......\crt0.S
....\.......\key_led.c
....\.......\Makefile
....\leds
....\....\crt0.S
....\....\leds.c
....\....\leds.lds
....\....\Makefile
....\led_on
....\......\led_on.bin
....\......\led_on.o
....\......\led_on.S
....\......\led_on.S.bak
....\......\led_on_elf
....\......\Makefile
....\led_on_c
....\........\crt0.o
....\........\crt0.S
....\........\led_on_c.bin
....\........\led_on_c.c
....\........\led_on_c.c.bak
....\........\led_on_c.dis
....\........\led_on_c.o
....\........\led_on_c_elf
....\........\Makefile