dev 모드 BLE 연결 수정

- dev 모드인 경우 보안 x

pc_firm/ble_security/ble_quick_security.c

@@ -95,6 +95,14 @@ void ble_security_quick_pm_handler(pm_evt_t const *p_evt)
 {
     ret_code_t err_code;
     
+    // DEV 모드: 보안 실패 이벤트는 SDK 핸들러에 전달하지 않음 (disconnect 방지)
+    if (m_state.dev_mode && p_evt->evt_id == PM_EVT_CONN_SEC_FAILED) {
+        DBG_PRINTF("Security failed: error=%d\r\n",
+                  p_evt->params.conn_sec_failed.error);
+        DBG_PRINTF("DEV: Ignoring sec failure, keeping connection\r\n");
+        return;
+    }
+
     // Call standard handlers (required)
     pm_handler_on_pm_evt(p_evt);
     pm_handler_flash_clean(p_evt);
@@ -113,6 +121,12 @@ void ble_security_quick_pm_handler(pm_evt_t const *p_evt)
             DBG_PRINTF("Security failed: error=%d\r\n",
                       p_evt->params.conn_sec_failed.error);
 
+            if (m_state.dev_mode) {
+                // DEV 모드: 보안 실패 무시 — 연결 유지
+                DBG_PRINTF("DEV: Ignoring sec failure, keeping connection\r\n");
+                break;
+            }
+
             if (p_evt->params.conn_sec_failed.error == PM_CONN_SEC_ERROR_PIN_OR_KEY_MISSING) {
                 // Key missing: 재페어링 시도, 실패 시 disconnect로 폴백
                 err_code = pm_conn_secure(p_evt->conn_handle, true);

project/ble_peripheral/ble_app_bladder_patch/main.c

@@ -1016,7 +1016,9 @@ static void ble_evt_handler(ble_evt_t const * p_ble_evt, void * p_context)
 #endif
 
 #if FEATURE_SECURE_CONNECTION
+    if (!ble_security_is_dev_mode()) {
         pm_handler_secure_on_connection(p_ble_evt);
+    }
 #endif
 
     switch (p_ble_evt->header.evt_id)
@@ -1102,6 +1104,14 @@ static void ble_evt_handler(ble_evt_t const * p_ble_evt, void * p_context)
                                                    BLE_GAP_SEC_STATUS_PAIRING_NOT_SUPP,
                                                    NULL, NULL);
             APP_ERROR_CHECK(err_code);
+#else
+            if (ble_security_is_dev_mode()) {
+                err_code = sd_ble_gap_sec_params_reply(m_conn_handle,
+                                                       BLE_GAP_SEC_STATUS_PAIRING_NOT_SUPP,
+                                                       NULL, NULL);
+                APP_ERROR_CHECK(err_code);
+                DBG_PRINTF("DEV: Rejected security request\r\n");
+            }
 #endif
             break;