Initial Corne shield definition.

* Also include a build for Clueboard California macropad.

.github/workflows/build.yml

@@ -10,10 +10,15 @@ jobs:
       matrix:
         board: [proton_c, nice_nano]
         shield:
+          - corne_left
+          - corne_right
           - kyria_left
           - kyria_right
           - lily58_left
           - lily58_right
+        include:
+          - board: proton_c
+            shield: clueboard_california
     steps:
       # To use this repository's private action,
       # you must check out the repository

app/boards/shields/corne/Kconfig.defconfig

@@ -0,0 +1,58 @@
+
+if SHIELD_CORNE_LEFT
+
+config ZMK_KEYBOARD_NAME
+	default "Corne Left"
+
+endif
+
+
+if SHIELD_CORNE_RIGHT
+
+config ZMK_KEYBOARD_NAME
+	default "Corne Right"
+
+endif
+
+if SHIELD_CORNE_LEFT || SHIELD_CORNE_RIGHT
+
+config ZMK_SPLIT
+	default y
+ 
+if ZMK_DISPLAY
+
+config I2C
+	default y
+
+config SSD1306
+	default y
+
+config SSD1306_REVERSE_MODE
+	default y
+
+endif # ZMK_DISPLAY
+
+if LVGL
+
+config LVGL_HOR_RES
+	default 128
+
+config LVGL_VER_RES
+	default 32
+
+config LVGL_VDB_SIZE
+	default 64
+
+config LVGL_DPI
+	default 148
+
+config LVGL_BITS_PER_PIXEL
+	default 1
+
+choice LVGL_COLOR_DEPTH
+	default LVGL_COLOR_DEPTH_1
+endchoice
+
+endif # LVGL
+
+endif

app/boards/shields/corne/Kconfig.shield

@@ -0,0 +1,8 @@
+# Copyright (c) 2020 Pete Johanson
+# SPDX-License-Identifier: MIT
+
+config SHIELD_CORNE_LEFT
+	def_bool $(shields_list_contains,corne_left)
+
+config SHIELD_CORNE_RIGHT
+	def_bool $(shields_list_contains,corne_right)

app/boards/shields/corne/boards/nice_nano.overlay

@@ -0,0 +1,29 @@
+&spi1 {
+	compatible = "nordic,nrf-spi";
+	/* Cannot be used together with i2c0. */
+	status = "okay";
+	mosi-pin = <6>;
+	// Unused pins, needed for SPI definition, but not used by the ws2812 driver itself.
+	sck-pin = <5>;
+	miso-pin = <7>;
+
+	led_strip: ws2812@0 {
+		compatible = "worldsemi,ws2812-spi";
+		label = "SK6812mini";
+
+		/* SPI */
+		reg = <0>; /* ignored, but necessary for SPI bindings */
+		spi-max-frequency = <4000000>;
+
+		/* WS2812 */
+		chain-length = <6>; /* There are per-key RGB, but the first 6 are underglow */
+		spi-one-frame = <0x70>;
+		spi-zero-frame = <0x40>;
+	};
+};
+
+/ {
+	chosen {
+		zmk,underglow = &led_strip;
+	};
+};

app/boards/shields/corne/corne.conf

@@ -0,0 +1,4 @@
+# TODO: Add lines about underglow!
+
+# Uncomment the following line to enable the Corne OLED Display
+# CONFIG_ZMK_DISPLAY=y

app/boards/shields/corne/corne.dtsi

@@ -0,0 +1,79 @@
+/*
+ * Copyright (c) 2020 Pete Johanson
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+#include <dt-bindings/zmk/matrix-transform.h>
+
+/ {
+	chosen {
+		zmk,kscan = &kscan0;
+		zmk,matrix_transform = &default_transform;
+	};
+
+	default_transform: keymap_transform_0 {
+		compatible = "zmk,matrix-transform";
+		columns = <12>;
+		rows = <4>;
+// | SW1  | SW2  | SW3  | SW4  | SW5  | SW6  |   | SW6  | SW5  | SW4  | SW3  | SW2  | SW1  |
+// | SW7  | SW8  | SW9  | SW10 | SW11 | SW12 |   | SW12 | SW11 | SW10 | SW9  | SW8  | SW7  |
+// | SW13 | SW14 | SW15 | SW16 | SW17 | SW18 |   | SW18 | SW17 | SW16 | SW15 | SW14 | SW13 |
+//                      | SW19 | SW20 | SW21 |   | SW21 | SW20 | SW19 |
+		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(0,10) RC(0,12)
+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(1,10) RC(1,12)
+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(2,10) RC(2,12)
+                        RC(3,3) RC(3,4) RC(3,5)  RC(3,6) RC(3,7) RC(3,8)
+		>;
+	};
+
+	five_column_transform: keymap_transform_1 {
+		compatible = "zmk,matrix-transform";
+		columns = <10>;
+		rows = <4>;
+// | SW2  | SW3  | SW4  | SW5  | SW6  |   | SW6  | SW5  | SW4  | SW3  | SW2  |
+// | SW8  | SW9  | SW10 | SW11 | SW12 |   | SW12 | SW11 | SW10 | SW9  | SW8  |
+// | SW14 | SW15 | SW16 | SW17 | SW18 |   | SW18 | SW17 | SW16 | SW15 | SW14 |
+//                      | SW19 | SW20 | SW21 |   | SW21 | SW20 | SW19 |
+		map = <
+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(0,10)
+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(1,10)
+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(2,10)
+                        RC(3,3) RC(3,4) RC(3,5)  RC(3,6) RC(3,7) RC(3,8)
+		>;
+	};
+
+	kscan0: kscan {
+		compatible = "zmk,kscan-gpio-matrix";
+		label = "KSCAN";
+
+		diode-direction = "col2row";
+		row-gpios
+			= <&pro_micro_d 4 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
+			, <&pro_micro_d 5 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
+			, <&pro_micro_d 6 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
+			, <&pro_micro_d 7 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
+			;
+		
+	};
+
+	// TODO: RGB node(s)
+};
+
+&pro_micro_i2c {
+	status = "okay";
+
+	ssd1306@3c {
+		compatible = "solomon,ssd1306fb";
+		reg = <0x3c>;
+		label = "DISPLAY";
+		width = <128>;
+		height = <32>;
+		segment-offset = <0>;
+		page-offset = <0>;
+		display-offset = <0>;
+		multiplex-ratio = <63>;
+		prechargep = <0x22>;
+	};
+};

app/boards/shields/corne/corne.keymap

@@ -0,0 +1,22 @@
+#include <behaviors.dtsi>
+#include <dt-bindings/zmk/keys.h>
+
+/ {
+	keymap {
+		compatible = "zmk,keymap";
+
+		default_layer {
+// ---------------------------------------------------------------------------------------------------------------------------------
+// |  ESC  |  Q  |  W  |  E   |  R   |  T   |   |  Y   |  U    |  I    |  O   |   P   |   \  |
+// |  TAB  |  A  |  S  |  D   |  F   |  G   |   |  H   |  J    |  K    |  L   |   ;   |   '  |
+// | SHIFT |  Z  |  X  |  C   |  V   |  B   |   |  N   |  M    |  ,    |  .   |   /   | CTRL |
+//                     | GUI  | DEL  | RET  |   | TAB  | BSPC  | R-ALT |
+			bindings = <
+	&kp ESC  &kp Q &kp W &kp E &kp R &kp T  &kp Y &kp U  &kp I    &kp O   &kp P    &kp BSLH
+	&kp TAB  &kp A &kp S &kp D &kp F &kp G  &kp H &kp J  &kp K    &kp L   &kp SCLN &kp QUOT
+	&kp LSFT &kp Z &kp X &kp C &kp V &kp B  &kp N &kp M  &kp CMMA &kp DOT &kp FSLH &kp RCTL
+	              &kp LGUI &kp DEL &kp RET  &kp TAB &kp BKSP &kp RALT
+			>;
+		};
+	};
+};

app/boards/shields/corne/corne_left.conf

@@ -0,0 +1,2 @@
+CONFIG_ZMK_SPLIT=y
+CONFIG_ZMK_SPLIT_BLE_ROLE_CENTRAL=y

app/boards/shields/corne/corne_left.overlay

@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2020 Pete Johanson
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+#include "corne.dtsi"
+
+&kscan0 {
+	col-gpios
+		= <&pro_micro_a  3 GPIO_ACTIVE_HIGH>
+		, <&pro_micro_a  2 GPIO_ACTIVE_HIGH>
+		, <&pro_micro_a  1 GPIO_ACTIVE_HIGH>
+		, <&pro_micro_a  0 GPIO_ACTIVE_HIGH>
+		, <&pro_micro_d 15 GPIO_ACTIVE_HIGH>
+		, <&pro_micro_d 14 GPIO_ACTIVE_HIGH>
+		;
+};

app/boards/shields/corne/corne_right.conf

@@ -0,0 +1,2 @@
+CONFIG_ZMK_SPLIT=y
+CONFIG_ZMK_SPLIT_BLE_ROLE_PERIPHERAL=y

app/boards/shields/corne/corne_right.overlay

@@ -0,0 +1,23 @@
+/*
+ * Copyright (c) 2020 Pete Johanson
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+#include "corne.dtsi"
+
+&default_transform {
+	col-offset = <6>;
+};
+
+&kscan0 {
+	col-gpios
+		= <&pro_micro_d 14 GPIO_ACTIVE_HIGH>
+		, <&pro_micro_d 15 GPIO_ACTIVE_HIGH>
+		, <&pro_micro_a  0 GPIO_ACTIVE_HIGH>
+		, <&pro_micro_a  1 GPIO_ACTIVE_HIGH>
+		, <&pro_micro_a  2 GPIO_ACTIVE_HIGH>
+		, <&pro_micro_a  3 GPIO_ACTIVE_HIGH>
+		;
+};
+