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

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

/ {
    chosen {
        zephyr,display = &oled;
        zmk,kscan = &kscan0;
        zmk,matrix-transform = &default_transform;
    };

    default_transform: keymap_transform_0 {
        compatible = "zmk,matrix-transform";
        columns = <16>;
        rows = <4>;
// | MX5  | MX4  | MX3  | MX2  | MX1  |                                 | MX1  | MX2  | MX3  | MX4  | MX5  |
// | MX10 | MX9  | MX8  | MX7  | MX6  |                                 | MX6  | MX7  | MX8  | MX9  | MX10 |
// | MX15 | MX14 | MX13 | MX12 | MX11 |                                 | MX11 | MX12 | MX13 | MX14 | MX15 |
// | MX20 | MX19 | MX18 | MX17 | MX16 |                                 | MX16 | MX17 | MX18 | MX19 | MX20 |
        map = <
RC(0,0) RC(0,1) RC(0,2) RC(0,3) RC(0,4)                                 RC(0,5) RC(0,6) RC(0,7) RC(0,8) RC(0,9)
RC(1,0) RC(1,1) RC(1,2) RC(1,3) RC(1,4)                                 RC(1,5) RC(1,6) RC(1,7) RC(1,8) RC(1,9)
RC(2,0) RC(2,1) RC(2,2) RC(2,3) RC(2,4)                                 RC(2,5) RC(2,6) RC(2,7) RC(2,8) RC(2,9)
RC(3,0) RC(3,1) RC(3,2) RC(3,3) RC(3,4)                                 RC(3,5) RC(3,6) RC(3,7) RC(3,8) RC(3,9)
        >;
    };

    kscan0: kscan {
        compatible = "zmk,kscan-gpio-matrix";

        diode-direction = "col2row";
        row-gpios
            = <&pro_micro 4 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
            , <&pro_micro 5 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
            , <&pro_micro 6 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
            , <&pro_micro 7 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
            ;
    };

    roller_left_encoder: encoder_left_roller {
        compatible = "alps,ec11";
        a-gpios = <&pro_micro 9 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>;
        b-gpios = <&pro_micro 8 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>;
        steps = <80>;
        status = "disabled";
    };

    dial_left_encoder: encoder_left_dial {
        compatible = "alps,ec11";
        a-gpios = <&pro_micro 14 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>;
        b-gpios = <&pro_micro 16 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>;
        steps = <80>;
        status = "disabled";
    };

    roller_right_encoder: encoder_right_roller {
        compatible = "alps,ec11";
        a-gpios = <&pro_micro 8 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>;
        b-gpios = <&pro_micro 9 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>;
        steps = <80>;
        status = "disabled";
    };

    dial_right_encoder: encoder_right_dial {
        compatible = "alps,ec11";
        a-gpios = <&pro_micro 16 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>;
        b-gpios = <&pro_micro 14 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>;
        steps = <80>;
        status = "disabled";
    };

    sensors: sensors {
        compatible = "zmk,keymap-sensors";
        triggers-per-rotation = <20>;
        sensors = <
            &roller_left_encoder
            &dial_left_encoder
            &dial_right_encoder
            &roller_right_encoder
        >;
    };

    // TODO: RGB node(s)
};

&pro_micro_i2c {
    status = "okay";

    oled: ssd1306@3c {
        compatible = "solomon,ssd1306fb";
        reg = <0x3c>;
        width = <128>;
        height = <64>;
        segment-offset = <0>;
        page-offset = <0>;
        display-offset = <0>;
        multiplex-ratio = <63>;
        prechargep = <0x22>;
        inversion-on;
    };
};