Output switching, USB <-> BLE

app/boards/shields/mf68/mf68.keymap

@@ -1,6 +1,7 @@
 #include <behaviors.dtsi>
 #include <dt-bindings/zmk/keys.h>
 #include <dt-bindings/zmk/bt.h>
+#include <dt-bindings/zmk/outputs.h>
 
 / {
   keymap {
@@ -29,7 +30,7 @@
       raise{
       bindings = <
     &trans &bt BT_SEL 0 &bt BT_SEL 1 &bt BT_SEL 2 &bt BT_SEL 3 &trans &trans &trans &trans &trans &trans &trans &trans &bt BT_CLR           &reset &bootloader
-    &trans &trans &trans &trans &trans &trans &trans &trans &trans &trans &trans &trans &trans &trans          &trans &trans
+    &trans &out OUT_USB &out OUT_BLE &trans &trans &trans &trans &trans &trans &trans &trans &trans &trans &trans          &trans &trans
     &trans &trans &trans &trans &trans &trans &trans &trans &trans &trans &trans &trans   &trans
     &trans &trans &trans &trans &kp &trans &trans &trans &trans &trans &trans &trans                   &trans          &trans
     &trans &trans &trans                            &trans                            &trans &trans &trans          &trans &trans &trans

app/boards/shields/mf68/mf68.overlay

@@ -15,6 +15,7 @@
     label = "KSCAN";
     diode-direction = "col2row";
     
+    
     col-gpios
       = <&pro_micro 10 GPIO_ACTIVE_HIGH>,
       <&pro_micro 16 GPIO_ACTIVE_HIGH>,

app/prj.conf

@@ -0,0 +1,3 @@
+# Turn on logging, and set ZMK logging to debug output
+CONFIG_ZMK_USB_LOGGING=y
+#CONFIG_ZMK_LOG_LEVEL=8