20、USART1\HARDWARE\beep.c
..........\........\beep.h
..........\........\delay.c
..........\........\delay.h
..........\........\key1
..........\........\key1.c
..........\........\key1.h
..........\........\key2.c
..........\........\key2.h
..........\........\KeyCombination.c
..........\........\keycombination.h
..........\........\keydouble.c
..........\........\keydouble.h
..........\........\LED2.c
..........\........\LED2.h
..........\........\Time0.c
..........\........\time0.h
..........\........\UART1.c
..........\........\UART1.h
..........\keilkilll.bat
..........\OBJ\51MCU_USART_1.hex
..........\...\USART1
..........\...\USART1.hex
..........\...\USART1.m51
..........\USART1.uvgui.Administrator
..........\USART1.uvopt
..........\USART1.uvproj
..........\Usart1Main.c
..........\HARDWARE
..........\OBJ
20、USART1