Compile

build.yaml

@@ -19,6 +19,6 @@
 ---
 include:
   - board: nice_nano_v2
-    shield: cradio_left
+    shield: paws_left
   - board: nice_nano_v2
-    shield: cradio_right
+    shield: paws_right

config/boards/shields/paws/Kconfig.defconfig

@@ -0,0 +1,16 @@
+if SHIELD_PAWS_LEFT
+
+config ZMK_KEYBOARD_NAME
+    default "Split Paws Keyboard"
+
+config ZMK_SPLIT_ROLE_CENTRAL
+    default y
+
+endif
+
+if SHIELD_PAWS_LEFT || SHIELD_PAWS_RIGHT
+
+config ZMK_SPLIT
+    default y
+
+endif

config/boards/shields/paws/Kconfig.shield

@@ -0,0 +1,4 @@
+config SHIELD_PAWS_LEFT
+    def_bool $(shields_list_contains,paws_left)
+config SHIELD_PAWS_RIGHT
+    def_bool $(shields_list_contains,paws_right)

config/boards/shields/paws/paws.dtsi

@@ -0,0 +1,48 @@
+#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 = <36>;
+        rows = <1>;
+        map = <
+        RC(0,0)  RC(0,1)  RC(0,2)  RC(0,3)  RC(0,4)    RC(0,22) RC(0,21) RC(0,20) RC(0,19) RC(0,18)
+        RC(0,5)  RC(0,6)  RC(0,7)  RC(0,8)  RC(0,9)    RC(0,27) RC(0,26) RC(0,25) RC(0,24) RC(0,23)
+        RC(0,10) RC(0,11) RC(0,12) RC(0,13) RC(0,14)   RC(0,32) RC(0,31) RC(0,30) RC(0,29) RC(0,28)
+                          RC(0,15) RC(0,16) RC(0,17)   RC(0,35) RC(0,34) RC(0,33)
+        >;
+    };
+
+    kscan0: kscan {
+        compatible = "zmk,kscan-gpio-direct";
+        wakeup-source;
+
+        input-gpios
+        = <&pro_micro  7 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)> 
+        , <&pro_micro 18 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
+        , <&pro_micro 19 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
+        , <&pro_micro 20 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
+        , <&pro_micro 21 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
+        , <&pro_micro 15 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
+        , <&pro_micro 14 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
+        , <&pro_micro 16 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
+        , <&pro_micro 10 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
+        , <&pro_micro  1 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
+        , <&pro_micro  2 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
+        , <&pro_micro  3 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
+        , <&pro_micro  4 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
+        , <&pro_micro  5 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
+        , <&pro_micro  6 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
+        , <&pro_micro  8 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
+        , <&pro_micro  9 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
+        , <&pro_micro  0 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
+        ;
+    };
+
+};

config/boards/shields/paws/paws_left.overlay

@@ -0,0 +1 @@
+#include "paws.dtsi"

config/boards/shields/paws/paws_right.overlay

@@ -0,0 +1,5 @@
+#include "paws.dtsi"
+
+&default_transform {
+    col-offset = <18>;
+};