hardware
........\key_led
........\.......\crt0.S
........\.......\Makefile
........\.......\key_led.c
........\led_on
........\......\led_on.S
........\......\Makefile
........\stdio
........\.....\stdio.lds
........\.....\include
........\.....\.......\stdio.h
........\.....\.......\gcclib.h
........\.....\.......\ctype.h
........\.....\.......\types.h
........\.....\.......\kernel.h
........\.....\.......\system.h
........\.....\head.S
........\.....\serial.h
........\.....\s3c2410.h
........\.....\lib
........\.....\...\ctype.c
........\.....\...\div64.h
........\.....\...\muldi3.c
........\.....\...\printf.c
........\.....\...\printf.h
........\.....\...\vsprintf.c
........\.....\...\div64.S
........\.....\...\lib1funcs.S
........\.....\...\string.h
........\.....\...\Makefile
........\.....\...\vsprintf.h
........\.....\...\string.c
........\.....\nand.c
........\.....\Makefile
........\.....\main.c
........\.....\init.c
........\.....\serial.c
........\i2c
........\...\i2c.c
........\...\include
........\...\.......\stdio.h
........\...\.......\gcclib.h
........\...\.......\ctype.h
........\...\.......\types.h
........\...\.......\kernel.h
........\...\.......\string.h
........\...\.......\system.h
........\...\head.S
........\...\i2c.h
........\...\i2c.lds
........\...\serial.h
........\...\m41t11.h
........\...\interrupt.h
........\...\lib
........\...\...\ctype.c
........\...\...\div64.h
........\...\...\muldi3.c
........\...\...\printf.c
........\...\...\printf.h
........\...\...\vsprintf.c
........\...\...\div64.S
........\...\...\lib1funcs.S
........\...\...\Makefile
........\...\...\vsprintf.h
........\...\...\string.c
........\...\nand.c
........\...\m41t11.c
........\...\Makefile
........\...\main.c
........\...\interrupt.c
........\...\s3c24xx.h
........\...\init.c
........\...\serial.c
........\timer
........\.....\timer.lds
........\.....\head.S
........\.....\interrupt.h
........\.....\Makefile
........\.....\main.c
........\.....\interrupt.c
........\.....\s3c24xx.h
........\.....\init.c
........\nand
........\....\nand.lds
........\....\head.S
........\....\nand.c
........\....\Makefile
........\....\main.c
........\....\init.c
........\uart
........\....\head.S
........\....\serial.h
........\....\Makefile
........\....\main.c
........\....\s3c24xx.h
........\....\init.c
........\....\uart.lds
........\....\serial.c
........\int