Using c language keyboard MCU control procedures, there is a watchdog function, interrupt, complete procedures available, learners can refer

keyboard\AT89S52.H
........\AT89S52.LST
........\AT89S52.OBJ
........\define.h
........\define.LST
........\define.OBJ
........\define.__i
........\Display.C
........\Display.LST
........\Display.OBJ
........\HEX\AT89S52.obj
........\...\define.obj
........\...\Display.obj
........\...\Interrupt.obj
........\...\keyboard
........\...\keyboard.hex
........\...\keyboard.lnp
........\...\keyboard.plg
........\...\keyboard_english.hex
........\...\keyboard_outdoor_english.hex
........\...\main.obj
........\...\MyHabit.obj
........\Interrupt.c
........\Interrupt.LST
........\Interrupt.OBJ
........\InterruptKey.c
........\key.bakvpj
........\key.bakvpw
........\Key.c
........\Key.LST
........\Key.OBJ
........\key.vpj
........\key.vpw
........\key.vpwhist
........\key.vtg
........\keyboard
........\keyboard.hex
........\keyboard.lnp
........\keyboard.M51
........\keyboard.Opt
........\keyboard.opt.bak
........\keyboard.ORC
........\keyboard.plg
........\keyboard.Uv2
........\keyboard.uvgui.Administrator
........\keyboard.uvgui.Junbo
........\keyboard.uvgui_Administrator.bak
........\keyboard.uvgui_Junbo.bak
........\keyboard.uvopt
........\keyboard.uvproj
........\keyboard_Opt.Bak
........\keyboard_Uv2.Bak
........\keyboard_uvopt.bak
........\keyboard_uvproj.bak
........\main.c
........\main.c.bak
........\main.LST
........\main.OBJ
........\main.__i
........\mainkey.c
........\MyHabit.h
........\MyHabit.LST
........\MyHabit.OBJ
........\MyHabit.__i
........\HEX
keyboard

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