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#pragma once /* key matrix size */ #define MATRIX_ROWS 3 #define MATRIX_COLS 4 /* key matrix pins */ #define MATRIX_ROW_PINS { D1, D0, D4 } #define MATRIX_COL_PINS { C6, D7, E6, B4 } /* COL2ROW or ROW2COL */ #define DIODE_DIRECTION COL2ROW