5 files changed, 104 insertions, 0 deletions
diff --git a/app/boards/shields/nibble/Kconfig.defconfig b/app/boards/shields/nibble/Kconfig.defconfig
new file mode 100644
index 0000000..01d0bba
--- /dev/null
+++ b/app/boards/shields/nibble/Kconfig.defconfig
@@ -0,0 +1,13 @@
+# Copyright (c) 2020 The ZMK Contributors
+# SPDX-License-Identifier: MIT
+
+if SHIELD_NIBBLE
+
+config ZMK_KEYBOARD_NAME
+	default "NIBBLE"
+
+config ZMK_USB
+	default y
+
+endif
+
diff --git a/app/boards/shields/nibble/Kconfig.shield b/app/boards/shields/nibble/Kconfig.shield
new file mode 100644
index 0000000..44364f4
--- /dev/null
+++ b/app/boards/shields/nibble/Kconfig.shield
@@ -0,0 +1,5 @@
+# Copyright (c) 2020 The ZMK Contributors
+# SPDX-License-Identifier: MIT
+
+config SHIELD_NIBBLE
+	def_bool $(shields_list_contains,nibble)
diff --git a/app/boards/shields/nibble/nibble.conf b/app/boards/shields/nibble/nibble.conf
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/app/boards/shields/nibble/nibble.conf
diff --git a/app/boards/shields/nibble/nibble.keymap b/app/boards/shields/nibble/nibble.keymap
new file mode 100644
index 0000000..dd37ad9
--- /dev/null
+++ b/app/boards/shields/nibble/nibble.keymap
@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2020 The ZMK Contributors
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+#include <behaviors.dtsi>
+#include <dt-bindings/zmk/keys.h>
+#include <dt-bindings/zmk/bt.h>
+
+#define DEFAULT 0
+#define FUNC 1
+
+/ {
+    keymap {
+        compatible = "zmk,keymap";
+        
+        default_layer {
+            bindings = <
+           &kp ESC  &kp NUM_1 &kp NUM_2 &kp NUM_3 &kp NUM_4 &kp NUM_5 &kp NUM_6 &kp NUM_7 &kp NUM_8 &kp NUM_9 &kp NUM_0 &kp MINUS &kp EQL  &kp BKSP &kp HOME
+&cp M_VOLU &kp TAB  &kp Q     &kp W     &kp E     &kp R     &kp T     &kp Y     &kp U     &kp I     &kp O     &kp P     &kp LBKT  &kp RBKT &kp BSLH &kp DEL  
+&cp M_VOLD &kp CLCK &kp A     &kp S     &kp D     &kp F     &kp G     &kp H     &kp J     &kp K     &kp L     &kp SCLN  &kp QUOT           &kp RET  &kp PGUP  
+&trans     &kp LSFT &kp Z     &kp X     &kp C     &kp V     &kp B     &kp N     &kp M     &kp CMMA  &kp DOT   &kp FSLH  &kp RSFT           &kp UARW &kp PGDN
+&trans     &kp LCTL &kp LGUI  &kp LALT                      &kp SPC                       &mo FUNC  &kp RALT  &kp RCTL  &kp LARW           &kp DARW &kp RARW
+            >;
+        };
+        func {
+            bindings = <
+            &kp TILD    &kp F1    &kp F2    &kp F3    &kp F4    &kp F5    &kp F6    &kp F7    &kp F8    &kp F9    &kp F10   &kp F11   &kp F12 &trans      &kp END
+&bt BT_CLR  &trans      &trans    &trans    &trans    &trans    &trans    &trans    &trans    &trans    &trans    &trans    &trans    &trans  &trans      &bootloader   
+&trans      &trans      &trans    &trans    &trans    &trans    &trans    &trans    &trans    &trans    &trans    &trans    &trans            &trans      &trans   
+&bt BT_PRV  &trans      &trans    &trans    &trans    &trans    &trans    &trans    &trans    &trans    &trans    &trans    &trans            &trans      &trans
+&bt BT_NXT  &trans      &trans    &trans                        &trans                        &trans    &trans    &trans    &cp M_PREV        &cp M_PLAY  &cp M_NEXT
+            >;
+        };
+    };
+};
diff --git a/app/boards/shields/nibble/nibble.overlay b/app/boards/shields/nibble/nibble.overlay
new file mode 100644
index 0000000..7975c3c
--- /dev/null
+++ b/app/boards/shields/nibble/nibble.overlay
@@ -0,0 +1,49 @@
+/*
+ * 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;
+	};
+
+	kscan0: kscan {
+		compatible = "zmk,kscan-gpio-demux";
+		label = "KSCAN";
+		polling-interval-msec = <25>;
+		input-gpios
+			= <&pro_micro_d 15 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
+			, <&pro_micro_d 14 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
+			, <&pro_micro_d 16 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
+			, <&pro_micro_d 10 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
+			, <&pro_micro_d 4 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
+			;
+		output-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>
+			;
+	};
+
+	default_transform: keymap_transform_0 {
+		compatible = "zmk,matrix-transform";
+		columns = <16>;
+		rows = <5>;
+
+		//TODO: Add a keymap graphic here
+
+		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(0,11) RC(0,12) RC(0,13) RC(0,14) RC(0,15)
+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(1,12) RC(1,13) RC(1,14) RC(1,15)
+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(2,12) 	     RC(2,14) RC(2,15)
+RC(3,0) RC(3,1) RC(3,2) RC(3,3) RC(3,4) RC(3,5) RC(3,6) RC(3,7) RC(3,8) RC(3,9)  RC(3,10) RC(3,11) RC(3,12)          RC(3,14) RC(3,15)
+RC(4,0) RC(4,1) RC(4,2) RC(4,3)                 RC(4,6)                 RC(4,9)  RC(4,10) RC(4,11) RC(4,12)          RC(4,14) RC(4,15) 
+		>;
+	};
+};