Initial scaffolding

boards/shields/corney_island/Kconfig.defconfig

@@ -0,0 +1,16 @@
+if CORNEY_ISLAND_LEFT
+
+config ZMK_KEYBOARD_NAME
+    default "Corney Island"
+
+config ZMK_SPLIT_ROLE_CENTRAL
+    default y
+
+endif
+
+if CORNEY_ISLAND_LEFT || CORNEY_ISLAND_RIGHT
+
+config ZMK_SPLIT
+    default y
+
+endif

boards/shields/corney_island/Kconfig.shield

@@ -0,0 +1,5 @@
+config CORNEY_ISLAND_LEFT
+    def_bool $(shields_list_contains,corney_island_left)
+
+config CORNEY_ISLAND_RIGHT
+    def_bool $(shields_list_contains,corney_island_right)

boards/shields/corney_island/corney_island.conf

@@ -0,0 +1 @@
+CONFIG_ZMK_SLEEP=y

boards/shields/corney_island/corney_island.zmk.yml

@@ -0,0 +1,13 @@
+file_format: "1"
+id: corney_island
+name: Corney Island
+type: shield
+url: https://github.com/ceoloide/corney-island/
+requires: [pro_micro]
+exposes: [i2c_oled]
+features:
+  - keys
+  - display
+siblings:
+  - corney_island_left
+  - corney_island_right

boards/shields/corney_island/corney_island_left.overlay

@@ -0,0 +1,12 @@
+#include "corney_island.dtsi" // Notice that the main dtsi files are included in the overlay.
+
+&kscan0 {
+    col-gpios
+        = <&pro_micro 19 GPIO_ACTIVE_HIGH> // col1 in the schematic
+        , <&pro_micro 18 GPIO_ACTIVE_HIGH> // col2 in the schematic
+        , <&pro_micro 15 GPIO_ACTIVE_HIGH> // col3 in the schematic
+        , <&pro_micro 14 GPIO_ACTIVE_HIGH> // col4 in the schematic
+        , <&pro_micro 16 GPIO_ACTIVE_HIGH> // col5 in the schematic
+        , <&pro_micro 10 GPIO_ACTIVE_HIGH> // col6 in the schematic
+        ;
+};

boards/shields/corney_island/corney_island_right.overlay

@@ -0,0 +1,16 @@
+#include "corney_island.dtsi"
+
+&default_transform { // The matrix transform for this board is 6 columns over because the left half is 6 columns wide according to the matrix.
+    col-offset = <6>;
+};
+
+&kscan0 {
+    col-gpios
+        = <&pro_micro 10 GPIO_ACTIVE_HIGH> // col6 in the schematic
+        , <&pro_micro 16 GPIO_ACTIVE_HIGH> // col5 in the schematic
+        , <&pro_micro 14 GPIO_ACTIVE_HIGH> // col4 in the schematic
+        , <&pro_micro 15 GPIO_ACTIVE_HIGH> // col3 in the schematic
+        , <&pro_micro 18 GPIO_ACTIVE_HIGH>  // col2 in the schematic
+        , <&pro_micro 19 GPIO_ACTIVE_HIGH>  // col1 in the schematic
+        ;
+};

boards/shields/corney_island/corney_island_wireless.dtsi

@@ -0,0 +1,38 @@
+#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 = <16>;
+        rows = <4>;
+// | SW6  | SW5  | SW4  | SW3  | SW2  | SW1  |                 | SW1  | SW2  | SW3  | SW4  | SW5  | SW6  |
+// | SW12 | SW11 | SW10 | SW9  | SW8  | SW7  |                 | SW7  | SW8  | SW9  | SW10 | SW11 | SW12 |
+// | SW18 | SW17 | SW16 | SW15 | SW14 | SW13 |                 | SW13 | SW14 | SW15 | SW16 | SW17 | SW18 |
+//                      | SW29 | SW28 | SW27 | SW26 |   | SW26 | SW27 | SW28 | SW29 |
+        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(0,11)
+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(1,11)
+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(2,11)
+                                RC(4,3) RC(4,4) RC(4,5) RC(4,6) RC(4,7) RC(4,8)
+        >;
+    };
+
+    kscan0: kscan {
+        compatible = "zmk,kscan-gpio-matrix";
+
+        diode-direction = "col2row";
+        row-gpios
+            = <&pro_micro 6 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)> // Row A from the schematic file
+            , <&pro_micro 7 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)> // Row B from the schematic file
+            , <&pro_micro 8 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)> // Row C from the schematic file
+            , <&pro_micro 0 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)> // Row D from the schematic file
+            , <&pro_micro 4 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)> // Row E from the schematic file
+            ;
+
+    };
+};