기타등등

src/ble/ble_service.c

@@ -15,6 +15,7 @@
 #include <zephyr/bluetooth/conn.h>
 #include <zephyr/bluetooth/uuid.h>
 #include <zephyr/bluetooth/gatt.h>
+#include <zephyr/mgmt/mcumgr/transport/smp_bt.h>
 #include <bluetooth/services/nus.h>
 
 #include "ble_service.h"
@@ -135,7 +136,13 @@ static const struct bt_data ad[] =
 
 static const struct bt_data sd[] =
 {
-    BT_DATA_BYTES(BT_DATA_UUID128_ALL, BT_UUID_NUS_VAL),
+    /*
+     * Legacy NUS + DFU(SMP) UUIDs together exceed the 31-byte scan response
+     * limit for legacy advertising. Keep the device name in the advertising
+     * packet and expose only SMP here so DFU remains discoverable.
+     
+    BT_DATA_BYTES(BT_DATA_UUID128_SOME, SMP_BT_SVC_UUID_VAL), // BLE DFU 동작을 위한 SMP UUDI 광고 */
+    BT_DATA_BYTES(BT_DATA_UUID128_SOME, BT_UUID_NUS_VAL),   // UUID에 NUS 안 넣으면 Web bluetooth 앱에서 안 보임
 };
 
 /*==============================================================================