串口查询通信
............\STARTUP.A51
............\STARTUP.LST
............\STARTUP.OBJ
............\Studay1.LST
............\Studay1.c
............\Study.h
............\uart
............\uart.LST
............\uart.M51
............\uart.OBJ
............\uart.c
............\uart.hex
............\uart.lnp
............\uart.plg
............\uart.uvopt
............\uart.uvproj
............\uart_uvopt.bak
............\uart_uvproj.bak