File list (Check if you may need any files):
双串口通信基础\Backup of R4.ewd
..............\Backup of R4.ewp
..............\BoardConfig.h
..............\R4.dep
..............\R4.ewd
..............\R4.ewp
..............\R4.eww
..............\main.c
..............\Debug\Exe\R4.d43
..............\.....\Obj\R4.pbd
..............\.....\...\main.r43
..............\settings\R4.cspy.bat
..............\........\R4.dbgdt
..............\........\R4.dni
..............\........\R4.wsdt
..............\Debug\Exe
..............\.....\List
..............\.....\Obj
..............\Debug
..............\settings
双串口通信基础