an uart drive on YL 2478 board can be use directly
File list:
UART
...\Flash_Debug
...\...........\Exe
...\...........\...\uart.a79
...\...........\...\uart.d79
...\...........\...\uart.hex
...\...........\...\uart.sim
...\...........\List
...\...........\Obj
...\...........\...\cstartup.r79
...\...........\...\irq.r79
...\...........\...\target.r79
...\...........\...\uart.pbd
...\...........\...\uart.r79
...\...........\...\uarttest.r79
...\RAM_Debug
...\.........\Exe
...\.........\...\uart.d79
...\.........\List
...\.........\....\uart.map
...\.........\Obj
...\.........\...\irq.o
...\.........\...\target.o
...\.........\...\uart.o
...\.........\...\uart.pbd
...\.........\...\uarttest.o
...\settings
...\........\uart.cspy.bat
...\........\uart.dbgdt
...\........\uart.dni
...\........\uart.wsdt
...\Backup of uart.ewd
...\Backup of uart.ewp
...\uart.c
...\uart.c.bak
...\uart.dep
...\uart.ewd
...\uart.ewp
...\uart.eww
...\uart.h
...\uart.h.bak
...\uarttest.c
...\uarttest.c.bak