/*
 * Copyright (c) 2022 The ZMK Contributors
 *
 * SPDX-License-Identifier: MIT
 */


#include <dt-bindings/zmk/matrix_transform.h>

/ {
    chosen {
        zmk,kscan = &kscan0;
        zmk,matrix_transform = &default_transform;
    };

    /* 
      Thumb buttons (3,6) and (4,6) sit vertically in the matric, and mapped to the bottom for easier keymapping.
    */
    default_transform: keymap_transform_0 {
        compatible = "zmk,matrix-transform";
        columns = <13>;
        rows = <5>;
        map = <
            RC(0,0) RC(0,1) RC(0,2) RC(0,3) RC(0,4) RC(0,5)                 RC(0,7) RC(0,8) RC(0,9) RC(0,10) RC(0,11) RC(0,12)
            RC(1,0) RC(1,1) RC(1,2) RC(1,3) RC(1,4) RC(1,5)                 RC(1,7) RC(1,8) RC(1,9) RC(1,10) RC(1,11) RC(1,12)
            RC(2,0) RC(2,1) RC(2,2) RC(2,3) RC(2,4) RC(2,5)                 RC(2,7) RC(2,8) RC(2,9) RC(2,10) RC(2,11) RC(2,12)
            RC(3,0) RC(3,1) RC(3,2) RC(3,3) RC(3,4) RC(3,5)                 RC(3,7) RC(3,8) RC(3,9) RC(3,10) RC(3,11) RC(3,12)
            RC(4,0) RC(4,1) RC(4,2) RC(4,3) RC(4,4) RC(4,5) RC(3,6) RC(4,6) RC(4,7) RC(4,8) RC(4,9) RC(4,10) RC(4,11) RC(4,12)
        >;
    };

    kscan0: kscan_0 {
        compatible = "zmk,kscan-gpio-matrix";
        label = "KSCAN";
        diode-direction = "row2col";

        col-gpios
            = <&pro_micro 21 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)> // col 0
            , <&pro_micro 20 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)> // col 1
            , <&pro_micro 19 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)> // col 2
            , <&pro_micro 18 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)> // col 3
            , <&pro_micro 15 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)> // col 4
            , <&pro_micro 14 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)> // col 5
            , <&pro_micro 16 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)> // col 6
            , <&pro_micro 10 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)> // col 7
            , <&pro_micro 9 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)> // col 8
            , <&pro_micro 8 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)> // col 9
            , <&pro_micro 7 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)> // col 10
            , <&pro_micro 6 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)> // col 11
            , <&pro_micro 5 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)> // col 12
            ;

        row-gpios
            = <&pro_micro 0 GPIO_ACTIVE_HIGH> // row 0
            , <&pro_micro 1 GPIO_ACTIVE_HIGH> // row 1
            , <&pro_micro 2 GPIO_ACTIVE_HIGH> // row 2
            , <&pro_micro 3 GPIO_ACTIVE_HIGH> // row 3
            , <&pro_micro 4 GPIO_ACTIVE_HIGH> // row 4
            ;
    };
};