C language KEY4X4 matrix keyboard, has been successful debugging. Can be transplanted, it is I wrote it myself.

KEY-4x4 (完成)
.................\Debug
.................\key.c
.................\KEY.dep
.................\KEY.ewd
.................\KEY.ewp
.................\KEY.eww
.................\main.c
.................\settings
.................\........\KEY.dbgdt
.................\........\KEY.dni
.................\........\KEY.wsdt

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