扩展串口
........\at91-tl16c554
........\.............\at91_tl16c554.c
........\.............\at91_tl16c554.h
........\.............\at91_tl16c554.o
........\.............\Makefile
........\.............\Readme.txt
........\pio.h
........\Readme.txt
........\serial
........\......\at91serial.o
........\......\at91_serial.c
........\......\at91_serial.o
........\......\CVS
........\......\...\Entries
........\......\...\Repository
........\......\...\Root
........\......\...\Tag
........\......\Makefile
........\testCOM
........\.......\COMConfig
........\.......\COMConfig.c
........\.......\COMRecv
........\.......\COMRecv.c
........\.......\COMSend
........\.......\COMSend.c
........\.......\Makefile