Working BT settings.

app/Kconfig

@@ -40,6 +40,8 @@ menuconfig ZMK_BLE
 	select BT_PERIPHERAL
 	select BT_GATT_DIS
 	select BT_GATT_BAS
+	select SETTINGS
+	select BT_SETTINGS
 
 if ZMK_BLE
 
@@ -47,6 +49,9 @@ config ZMK_BLE_INIT_PRIORITY
 	int "Init Priority"
 	default 50
 
+config SYSTEM_WORKQUEUE_STACK_SIZE
+	default 2048
+
 # HID GATT notifications sent this way are *not* picked up by Linux, and possibly others.
 config BT_GATT_NOTIFY_MULTIPLE
 	default n
@@ -58,16 +63,6 @@ config ZMK_BLE_PASSKEY_ENTRY
 	bool "Experimental: Requiring typing passkey from host to pair BLE connection"
 	default n
 
-# Incresed stack due to settings API usage
-# CONFIG_SYSTEM_WORKQUEUE_STACK_SIZE=2048
-# 
-# CONFIG_BT_SETTINGS=y
-# CONFIG_FLASH=y
-# CONFIG_FLASH_PAGE_LAYOUT=y
-# CONFIG_FLASH_MAP=y
-# CONFIG_NVS=y
-# CONFIG_SETTINGS=y
-
 endif
 
 endmenu
@@ -97,6 +92,13 @@ config ZMK_SPLIT_BLE_ROLE_CENTRAL
 	select BT_CENTRAL
 	select BT_GATT_CLIENT
 
+if ZMK_SPLIT_BLE_ROLE_CENTRAL
+
+config BT_MAX_CONN
+	default 2
+
+endif
+
 config ZMK_SPLIT_BLE_ROLE_PERIPHERAL
 	bool "Peripheral"
 

app/boards/arm/nice_nano/nice_nano_defconfig

@@ -11,3 +11,10 @@ CONFIG_ARM_MPU=y
 CONFIG_GPIO=y
 
 CONFIG_USE_DT_CODE_PARTITION=y
+
+CONFIG_MPU_ALLOW_FLASH_WRITE=y
+CONFIG_NVS=y
+CONFIG_SETTINGS_NVS=y
+CONFIG_FLASH=y
+CONFIG_FLASH_PAGE_LAYOUT=y
+CONFIG_FLASH_MAP=y

app/boards/shields/kyria/Kconfig.defconfig

@@ -1,8 +1,20 @@
 
-if SHIELD_KYRIA_LEFT || SHIELD_KYRIA_RIGHT
+if SHIELD_KYRIA_LEFT
 
 config ZMK_KEYBOARD_NAME
-	default "Kyria"
+	default "Kyria Left"
+
+endif
+
+
+if SHIELD_KYRIA_RIGHT
+
+config ZMK_KEYBOARD_NAME
+	default "Kyria Right"
+
+endif
+
+if SHIELD_KYRIA_LEFT || SHIELD_KYRIA_RIGHT
 
 config ZMK_SPLIT
 	default y

app/src/ble.c

@@ -128,8 +128,11 @@ static struct bt_conn_auth_cb zmk_ble_auth_cb_display = {
 static const struct bt_data zmk_ble_ad[] = {
     BT_DATA_BYTES(BT_DATA_FLAGS, (BT_LE_AD_GENERAL | BT_LE_AD_NO_BREDR)),
     BT_DATA_BYTES(BT_DATA_UUID16_SOME,
+#if !IS_ENABLED(CONFIG_ZMK_SPLIT_BLE)
                   0x12, 0x18,  /* HID Service */
-                  0x0f, 0x18), /* Battery Service */
+#endif
+                  0x0f, 0x18 /* Battery Service */
+    ),
 #if IS_ENABLED(CONFIG_ZMK_SPLIT_BLE)
     BT_DATA_BYTES(BT_DATA_UUID128_ALL,
                   ZMK_SPLIT_BT_SERVICE_UUID)
@@ -155,10 +158,6 @@ static void zmk_ble_ready(int err)
 
 static int zmk_ble_init(struct device *_arg)
 {
-    if (IS_ENABLED(CONFIG_SETTINGS))
-    {
-        settings_load();
-    }
     int err = bt_enable(NULL);
 
     if (err)
@@ -167,6 +166,11 @@ static int zmk_ble_init(struct device *_arg)
         return err;
     }
 
+    if (IS_ENABLED(CONFIG_BT_SETTINGS))
+    {
+        settings_load();
+    }
+
     bt_conn_cb_register(&conn_callbacks);
     bt_conn_auth_cb_register(&zmk_ble_auth_cb_display);
 

app/src/main.c

@@ -16,10 +16,6 @@ LOG_MODULE_REGISTER(zmk, CONFIG_ZMK_LOG_LEVEL);
 #include <zmk/kscan.h>
 #include <zmk/endpoints.h>
 
-#ifdef CONFIG_ZMK_SPLIT_BLE_ROLE_CENTRAL
-#include <zmk/split/bluetooth/central.h>
-#endif /* CONFIG_ZMK_SPLIT_BLE_ROLE_CENTRAL */
-
 #define ZMK_KSCAN_DEV DT_LABEL(ZMK_MATRIX_NODE_ID)
 
 void main(void)
@@ -30,8 +26,4 @@ void main(void)
 	{
 		return;
 	}
-
-#ifdef CONFIG_SETTINGS
-	settings_load();
-#endif
 }