/*
 * 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;
    };

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

        diode-direction = "row2col";
        debounce-scan-period-ms = <10>;
        row-gpios
            = <&ext_gpio 14 (GPIO_ACTIVE_LOW)>
            , <&ext_gpio 15 (GPIO_ACTIVE_LOW)>
            , <&ext_gpio 6  (GPIO_ACTIVE_LOW)>
            , <&ext_gpio 7  (GPIO_ACTIVE_LOW)>
            , <&ext_gpio 2  (GPIO_ACTIVE_LOW)>
            , <&ext_gpio 4  (GPIO_ACTIVE_LOW)>
            , <&ext_gpio 5  (GPIO_ACTIVE_LOW)>
            , <&ext_gpio 1  (GPIO_ACTIVE_LOW)>
            , <&ext_gpio 3  (GPIO_ACTIVE_LOW)>
            ;
        col-gpios
            = <&ext_gpio 8  (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
            , <&ext_gpio 9  (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
            , <&ext_gpio 10 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
            , <&ext_gpio 11 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
            , <&ext_gpio 12 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
            , <&ext_gpio 13 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
            ;
    };

    default_transform: keymap_transform_0 {
        compatible = "zmk,matrix-transform";
        columns = <6>;
        rows = <9>;
        map = <
            RC(0,0) RC(0,1) RC(0,2) RC(0,3) RC(0,4) RC(0,5)                 RC(8,0) RC(4,0) RC(4,1) RC(4,2) RC(4,3) RC(4,4) RC(4,5)
            RC(1,0) RC(1,1) RC(1,2) RC(1,3) RC(1,4) RC(1,5)         RC(8,5) RC(8,1) RC(5,0) RC(5,1) RC(5,2) RC(5,3) RC(5,4) RC(5,5)
            RC(2,0) RC(2,1) RC(2,2) RC(2,3) RC(2,4) RC(2,5)                 RC(8,2) RC(6,0) RC(6,1) RC(6,2) RC(6,3) RC(6,4) RC(6,5)
                    RC(3,0)         RC(3,1) RC(3,2) RC(3,3) RC(3,4) RC(7,0) RC(7,1) RC(7,2) RC(7,3) RC(7,4)         RC(7,5) 
        >;
    };

    encoder_1: encoder_1 {
        compatible = "alps,ec11";
        label = "Encoder 1";
        a-gpios = <&blackpill 38 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
        b-gpios = <&blackpill 39 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
        resolution = <4>;
        status = "disabled";
    };
    
    encoder_2: encoder_2 {
        compatible = "alps,ec11";
        label = "Encoder 2";
        a-gpios = <&blackpill 12 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
        b-gpios = <&blackpill 18 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
        resolution = <4>;
        status = "disabled";
    };

    encoder_3: encoder_3 {
		compatible = "alps,ec11";
		label = "Encoder 3";
		a-gpios = <&blackpill 45 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
		b-gpios = <&blackpill 46 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
		resolution = <4>;
		status = "disabled";
	};


	encoder_4: encoder_4 {
		compatible = "alps,ec11";
		label = "Encoder 4";
		a-gpios = <&blackpill 4 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
		b-gpios = <&blackpill 3 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
		resolution = <2>;
		status = "disabled";
	};
};

&spi1 {
  cs-gpios = <&gpio0 3 GPIO_ACTIVE_HIGH>;
};

&i2c0 {
	status = "okay";
	clock-frequency = <I2C_BITRATE_FAST>;

	ext_gpio: mcp230xx@20 {
		compatible = "microchip,mcp230xx";
		status = "okay";
		gpio-controller;
		reg = <0x20>;
		label = "EXT_GPIO";
		#gpio-cells = <2>;
		ngpios = <16>;
	};
    
	oled: ssd1306@3c {
		compatible = "solomon,ssd1306fb";
        status = "okay";
		reg = <0x3c>;
		label = "DISPLAY";
		width = <128>;
		height = <64>;
		segment-offset = <0>;
		page-offset = <0>;
		display-offset = <0>;
		multiplex-ratio = <63>;
		prechargep = <0x22>;
	};
};