본딩 삭제 후 재부팅 복귀 처리 수정

- 초록 power-on LED 2초 → advertising LED 패턴으로 정상 전환

src/ble/ble_service.c

@@ -36,6 +36,7 @@ static struct bt_conn *current_conn;
 static ble_data_rx_cb_t rx_callback;
 static bool dfu_advertising_mode;
 static bool advertising_unlimited;
+static bool advertising_restart_suspended;
 static uint8_t conn_param_update_attempts;
 static int64_t last_rx_conn_param_update_ms;
 static uint16_t current_notify_mtu = 23U;
@@ -203,18 +204,33 @@ static void ble_pairing_window_init_from_bonds(void)
 {
     bool reset_request = ble_consume_pairing_window_reset_request();
 
+    if (reset_request)
+    {
+        int err = bt_unpair(BT_ID_DEFAULT, NULL);
+
+        if (err)
+        {
+            DBG_ERR("[BLE] Reset-window bt_unpair retry failed err=%d\r\n", err);
+        }
+    }
+
     bond_peer_exists = false;
     bt_foreach_bond(BT_ID_DEFAULT, bond_check_cb, &bond_peer_exists);
 
     DBG_CORE("[BLE] Bond peer exists=%u reset_window=%u\r\n", bond_peer_exists ? 1U : 0U, reset_request ? 1U : 0U);
 
-    if (bond_peer_exists)
+    if (reset_request)
+    {
+        bond_peer_exists = false;
+        pairing_window_open_set(true);
+    }
+    else if (bond_peer_exists)
     {
         pairing_window_close();
     }
     else
     {
-        pairing_window_open_set(reset_request);
+        pairing_window_open_set(false);
     }
 }
 
@@ -389,6 +405,13 @@ static int ble_security_init(void)
 static void adv_restart_handler(struct k_work *work)
 {
     ARG_UNUSED(work);
+
+    if (advertising_restart_suspended)
+    {
+        DBG_CORE("[BLE] Advertising restart skipped (suspended)\r\n");
+        return;
+    }
+
     ble_advertising_start();
     led_set_state(LED_STATE_ADVERTISING);
 }
@@ -539,7 +562,10 @@ static void connected(struct bt_conn *conn, uint8_t err)
     if (err)
     {
         DBG_ERR("[BLE] Connect failed (err %d) -> re-adv\r\n", err);
+        if (!advertising_restart_suspended)
+        {
             k_work_submit(&adv_restart_work);
+        }
         return;
     }
 
@@ -610,6 +636,12 @@ static void disconnected(struct bt_conn *conn, uint8_t reason)
              reason,
              advertising_unlimited ? "unlimited" : "10min");
 
+    if (advertising_restart_suspended)
+    {
+        DBG_CORE("[BLE] Disconnected while adv restart suspended\r\n");
+        return;
+    }
+
     // 워크큐에서 advertising 재시작
     k_work_submit(&adv_restart_work);
 }
@@ -814,6 +846,7 @@ int ble_advertising_start(void)
     }
 
     ble_tx_power_apply_advertising();
+    led_set_state(LED_STATE_ADVERTISING);
 
     k_work_cancel_delayable(&adv_timeout_work);
     if (!advertising_unlimited)   // DFU 광고 포함, 미연결 10분 시 전원 OFF
@@ -974,6 +1007,24 @@ void ble_pairing_window_mark_reset_open(void)
 #endif
 }
 
+bool ble_pairing_window_reset_requested(void)
+{
+#if IS_ENABLED(CONFIG_BT_SMP) && NRF_POWER_HAS_GPREGRET
+    return (nrf_power_gpregret_get(NRF_POWER, PAIRING_WINDOW_GPREGRET_REG) == PAIRING_WINDOW_GPREGRET_MAGIC);
+#else
+    return false;
+#endif
+}
+
+void ble_advertising_restart_suspend(bool suspend)
+{
+    advertising_restart_suspended = suspend;
+    if (suspend)
+    {
+        k_work_cancel(&adv_restart_work);
+    }
+}
+
 bool ble_is_connected(void)
 {
     return (current_conn != NULL);

src/ble/ble_service.h

@@ -37,5 +37,7 @@ bool ble_dfu_advertising_is_enabled(void);
 bool ble_is_connected(void);
 int ble_disconnect_active(void);
 void ble_pairing_window_mark_reset_open(void);
+bool ble_pairing_window_reset_requested(void);
+void ble_advertising_restart_suspend(bool suspend);
 
 #endif /* BLE_SERVICE_H__ */

src/main.c

@@ -62,7 +62,7 @@ static void boot_context_detect(void)
 #endif
 
     // soft reset 후 복귀 (전원 버튼 새 부팅 X)
-    resume_without_power_button = (boot_reset_reason & (NRF_POWER_RESETREAS_SREQ_MASK | NRF_POWER_RESETREAS_DOG_MASK | NRF_POWER_RESETREAS_LOCKUP_MASK | NRF_POWER_RESETREAS_RESETPIN_MASK)) != 0U;
+    resume_without_power_button = ((boot_reset_reason & (NRF_POWER_RESETREAS_SREQ_MASK | NRF_POWER_RESETREAS_DOG_MASK | NRF_POWER_RESETREAS_LOCKUP_MASK | NRF_POWER_RESETREAS_RESETPIN_MASK)) != 0U) || ble_pairing_window_reset_requested();
 
     // 다음 부팅 오판 방지를 위해 RESETREAS 플래그 정리
     if (boot_reset_reason != 0U)