File list (Check if you may need any files):
1062显示 接受 发送\Backup of R3.ewd
..................\Backup of R3.ewp
..................\cry1602.c
..................\cry1602.h
..................\Debug\Exe\R3.d43
..................\.....\Obj\cry1602.r43
..................\.....\...\main.r43
..................\.....\...\R3.pbd
..................\main.c
..................\R3.dep
..................\R3.ewd
..................\R3.ewp
..................\R3.eww
..................\settings\R3.cspy.bat
..................\........\R3.dbgdt
..................\........\R3.dni
..................\........\R3.wsdt
R1\Backup of R1.ewd
..\Backup of R1.ewp
..\Debug\Exe\R1.d43
..\.....\Obj\main.r43
..\.....\...\R1.pbd
..\main.c
..\R1.dep
..\R1.ewd
..\R1.ewp
..\R1.eww
..\settings\R1.cspy.bat
..\........\R1.dbgdt
..\........\R1.dni
..\........\R1.wsdt
.2\Backup of R2.ewd
..\Backup of R2.ewp
..\Debug\Exe\R2.d43
..\.....\...\R2.txt
..\.....\Obj\main.r43
..\.....\...\R2.pbd
..\Keypad.c
..\Keypad.h
..\main.c
..\R2.dep
..\R2.ewd
..\R2.ewp
..\R2.eww
..\settings\R2.cspy.bat
..\........\R2.dbgdt
..\........\R2.dni
..\........\R2.wsdt
.4\Backup of R4.ewd
..\Backup of R4.ewp
..\Debug\Exe\R4.d43
..\.....\...\R4.txt
..\.....\Obj\main.r43
..\.....\...\R4.pbd
..\main.c
..\R4.dep
..\R4.ewd
..\R4.ewp
..\R4.eww
..\settings\R4.cspy.bat
..\........\R4.dbgdt
..\........\R4.dni
..\........\R4.wsdt
1062显示 接受 发送\Debug\Exe
..................\.....\List
..................\.....\Obj
R1\Debug\Exe
..\.....\List
..\.....\Obj
.2\Debug\Exe
..\.....\List
..\.....\Obj
.4\Debug\Exe
..\.....\List
..\.....\Obj
1062显示 接受 发送\Debug
..................\settings
R1\Debug
..\settings
.2\Debug
..\settings
.4\Debug
..\settings
1062显示 接受 发送
R1
R2
R4