refactor(boards): Move ZMK Uno 1P3T slider to sideband

* Invoke output selection from the slider on the ZMK Uno via
  sideband behavior setup, to simplify keymap.

Author: petejohanson

app/boards/shields/zmk_uno/zmk_uno.dtsi

@@ -40,7 +40,7 @@ nice_view_spi: &arduino_spi {
 
 / {
     chosen {
-        zmk,kscan = &kscan_matrix_comp;
+        zmk,kscan = &kscan_matrix;
         zmk,backlight = &backlight;
         zmk,underglow = &led_strip;
         zmk,matrix-transform = &matrix_transform;
@@ -74,7 +74,6 @@ nice_view_spi: &arduino_spi {
         map = <
         RC(0,0) RC(0,1)
         RC(1,0) RC(1,1)
-        RC(2,0) RC(2,1) RC(2,2)
         >;
     };
 
@@ -86,42 +85,9 @@ nice_view_spi: &arduino_spi {
         map = <
         RC(0,0) RC(0,1)
         RC(0,2) RC(0,3)
-        RC(1,0) RC(1,1) RC(1,2)
         >;
     };
 
-
-    kscan_matrix_comp: kscan_matrix_comp {
-        compatible = "zmk,kscan-composite";
-        rows = <1>;
-        columns = <7>;
-
-        matrix {
-            kscan = <&kscan_matrix>;
-        };
-
-        toggle {
-            kscan = <&kscan_sp3t_toggle>;
-            row-offset = <2>;
-        };
-
-    };
-
-    kscan_direct_comp: kscan_direct_comp {
-        compatible = "zmk,kscan-composite";
-        status = "disabled";
-
-        matrix {
-            kscan = <&kscan_direct>;
-        };
-
-        toggle {
-            kscan = <&kscan_sp3t_toggle>;
-            row-offset = <1>;
-        };
-
-    };
-
     kscan_matrix: kscan_matrix {
         compatible = "zmk,kscan-gpio-matrix";
         wakeup-source;

app/boards/shields/zmk_uno/zmk_uno.keymap

@@ -9,51 +9,32 @@
 #include <dt-bindings/zmk/backlight.h>
 #include <dt-bindings/zmk/bt.h>
 #include <dt-bindings/zmk/ext_power.h>
-#include <dt-bindings/zmk/outputs.h>
 #include <dt-bindings/zmk/rgb.h>
 
 // Uncomment the following block if using the "Direct Wire" jumper to switch the matrix to a direct wire.
 
 /* :REMOVE ME
 
-&kscan_direct_comp { status = "okay"; };
 &kscan_direct { status = "okay"; };
-&kscan_matrix_comp { status = "disabled"; };
 &kscan_matrix { status = "disabled"; };
 
 / {
     chosen {
         zmk,matrix-transform = &direct_matrix_transform;
-        zmk,kscan = &kscan_direct_comp;
+        zmk,kscan = &kscan_direct;
     };
 };
 
 REMOVE ME: */
 
-
 / {
-    macros {
-        ZMK_MACRO(ble_zero,
-            wait-ms = <1>;
-            tap-ms = <1>;
-            bindings = <&out OUT_BLE &bt BT_SEL 0>;
-        )
-        ZMK_MACRO(ble_one,
-            wait-ms = <1>;
-            tap-ms = <1>;
-            bindings = <&out OUT_BLE &bt BT_SEL 1>;
-        )
-    };
-
     keymap {
         compatible = "zmk,keymap";
 
         default_layer {
             bindings = <
                 &kp A &bl BL_TOG
                 &rgb_ug RGB_EFF &bt BT_CLR
-
-                &out OUT_USB &ble_zero &ble_one
            >;
 
            sensor-bindings = <&inc_dec_kp C_VOL_UP C_VOL_DN>;

app/boards/shields/zmk_uno/zmk_uno.overlay

@@ -6,6 +6,10 @@
 
  #include "zmk_uno.dtsi"
 
+#include <behaviors.dtsi>
+#include <dt-bindings/zmk/bt.h>
+#include <dt-bindings/zmk/outputs.h>
+
 / {
     chosen {
         zmk,matrix-transform = &matrix_transform;
@@ -19,4 +23,40 @@
         };
     };
 
+    macros {
+        ZMK_MACRO(ble_zero,
+            wait-ms = <1>;
+            tap-ms = <1>;
+            bindings = <&out OUT_BLE &bt BT_SEL 0>;
+        )
+        ZMK_MACRO(ble_one,
+            wait-ms = <1>;
+            tap-ms = <1>;
+            bindings = <&out OUT_BLE &bt BT_SEL 1>;
+        )
+    };
+
+    endpoint_sideband_behaviors {
+        compatible = "zmk,kscan-sideband-behaviors";
+        kscan = <&kscan_sp3t_toggle>;
+
+        usb {
+            row = <0>;
+            column = <0>;
+            bindings = <&out OUT_USB>;
+        };
+
+        ble_zero {
+            row = <0>;
+            column = <1>;
+            bindings = <&ble_zero>;
+        };
+
+        ble_one {
+            row = <0>;
+            column = <2>;
+            bindings = <&ble_one>;
+        };
+    };
+
 };

app/boards/shields/zmk_uno/zmk_uno_split.dtsi

@@ -17,16 +17,15 @@
 
     split_matrix_transform: split_matrix_transform {
         compatible = "zmk,matrix-transform";
-        rows = <3>;
-        columns = <4>;
+        rows = <4>;
+        columns = <2>;
 
         map = <
         RC(0,0) RC(0,1)
         RC(1,0) RC(1,1)
-        RC(2,0) RC(2,1) RC(2,2)
+
         RC(3,0) RC(3,1)
         RC(4,0) RC(4,1)
-        RC(5,0) RC(5,1) RC(5,2)
         >;
     };
 
@@ -38,10 +37,9 @@
         map = <
         RC(0,0) RC(0,1)
         RC(0,2) RC(0,3)
-        RC(1,0) RC(1,1) RC(1,2)
+
         RC(2,0) RC(2,1)
         RC(2,2) RC(2,3)
-        RC(3,0) RC(3,1) RC(3,2)
         >;
     };
 

app/boards/shields/zmk_uno/zmk_uno_split.keymap

@@ -16,9 +16,7 @@
 
 /* :REMOVE ME
 
-&kscan_direct_comp { status = "okay"; };
 &kscan_direct { status = "okay"; };
-&kscan_matrix_comp { status = "disabled"; };
 &kscan_matrix { status = "disabled"; };
 
 / {
@@ -30,20 +28,7 @@
 
 REMOVE ME: */
 
-
 / {
-    macros {
-        ZMK_MACRO(ble_zero,
-            wait-ms = <1>;
-            tap-ms = <1>;
-            bindings = <&out OUT_BLE &bt BT_SEL 0>;
-        )
-        ZMK_MACRO(ble_one,
-            wait-ms = <1>;
-            tap-ms = <1>;
-            bindings = <&out OUT_BLE &bt BT_SEL 1>;
-        )
-    };
 
     keymap {
         compatible = "zmk,keymap";
@@ -53,11 +38,8 @@ REMOVE ME: */
                 &kp A &bl BL_TOG
                 &rgb_ug RGB_EFF &bt BT_CLR
 
-                &out OUT_USB &ble_zero &ble_one
-
                 &kp C &kp D
                 &kp E &kp F
-                &none &none &none
            >;
 
            sensor-bindings = <&inc_dec_kp C_VOL_UP C_VOL_DN &inc_dec_kp PG_UP PG_DN>;