added flea shield

build.yaml

@@ -22,6 +22,6 @@ include:
   - board: seeeduino_xiao_ble
     shield: hummingbird
   - board: nice_nano_v2
-    shield: kyria_left
+    shield: flea_left
   - board: nice_nano_v2
-    shield: kyria_right
+    shield: flea_right

config/boards/shields/flea/Kconfig.defconfig

@@ -0,0 +1,26 @@
+# Copyright (c) 2020 The ZMK Contributors
+# SPDX-License-Identifier: MIT
+
+if SHIELD_FLEA_LEFT
+
+config ZMK_KEYBOARD_NAME
+	default "FLEA_L"
+
+config ZMK_SPLIT_BLE_ROLE_CENTRAL
+	default y
+
+endif
+
+if SHIELD_FLEA_RIGHT
+
+config ZMK_KEYBOARD_NAME
+	default "FLEA_R"
+
+endif
+
+if SHIELD_FLEA_RIGHT || SHIELD_FLEA_LEFT
+
+config ZMK_SPLIT
+	default y
+
+endif

config/boards/shields/flea/Kconfig.shield

@@ -0,0 +1,8 @@
+# Copyright (c) 2020 The ZMK Contributors
+# SPDX-License-Identifier: MIT
+
+config SHIELD_FLEA_LEFT
+	def_bool $(shields_list_contains,flea_left)
+
+config SHIELD_FLEA_RIGHT
+	def_bool $(shields_list_contains,flea_right)

config/boards/shields/flea/README.md

@@ -0,0 +1 @@
+Firmware for the 30 key Flea keyboard.

config/boards/shields/flea/flea.dtsi

@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 2020 The ZMK Contributors
+ *
+ * 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 = <30>;
+		rows = <1>;
+		map = <
+		         RC(0,0)  RC(0,1)  RC(0,2)  RC(0,3)    RC(0,18) RC(0,17) RC(0,16) RC(0,15)
+		RC(0,4)  RC(0,5)  RC(0,6)  RC(0,7)  RC(0,8)    RC(0,23) RC(0,22) RC(0,21) RC(0,20) RC(0,19)
+		RC(0,9)  RC(0,10) RC(0,11) RC(0,12)                     RC(0,27) RC(0,26) RC(0,25) RC(0,24)
+		                           RC(0,13) RC(0,14)   RC(0,29) RC(0,28)
+		>;
+	};
+
+	kscan0: kscan {
+		compatible = "zmk,kscan-gpio-direct";
+		label = "KSCAN";
+		input-gpios
+		= <&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  2 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
+		, <&pro_micro 10 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
+		, <&pro_micro 16 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
+		, <&pro_micro 14 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
+		, <&pro_micro 15 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
+		, <&pro_micro  3 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
+		, <&pro_micro  7 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
+		, <&pro_micro  6 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
+		, <&pro_micro  5 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
+		, <&pro_micro  4  (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
+		, <&pro_micro  8 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
+		, <&pro_micro  9 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
+		;
+	};
+
+};

config/boards/shields/flea/flea_left.conf

@@ -0,0 +1,2 @@
+# Copyright (c) 2020 The ZMK Contributors
+# SPDX-License-Identifier: MIT

config/boards/shields/flea/flea_left.overlay

@@ -0,0 +1,7 @@
+/*
+ * Copyright (c) 2020 The ZMK Contributors
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+#include "flea.dtsi"

config/boards/shields/flea/flea_right.conf

@@ -0,0 +1,2 @@
+# Copyright (c) 2020 The ZMK Contributors
+# SPDX-License-Identifier: MIT

config/boards/shields/flea/flea_right.overlay

@@ -0,0 +1,11 @@
+/*
+ * Copyright (c) 2020 The ZMK Contributors
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+#include "flea.dtsi"
+
+&default_transform {
+	col-offset = <15>;
+};