diff --git a/include/WebGUIApp.h b/include/WebGUIApp.h
new file mode 100644
index 0000000..816aa1f
--- /dev/null
+++ b/include/WebGUIApp.h
@@ -0,0 +1,36 @@
+ /*! Copyright 2022 Bogdan Pilyugin
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ *  	 \file WebGUIApp.h
+ *    \version 1.0
+ * 		 \date 2022-08-21
+ *     \author Bogdan Pilyugin
+ * 	    \brief    
+ *    \details 
+ *	\copyright Apache License, Version 2.0
+ */
+
+#ifndef COMPONENTS_WEBGUIAPPCOMPONENT_INCLUDE_WEBGUIAPP_H_
+#define COMPONENTS_WEBGUIAPPCOMPONENT_INCLUDE_WEBGUIAPP_H_
+
+#include "esp_log.h"
+#include "esp_event.h"
+#include "esp_netif.h"
+#include "esp_system.h"
+#include "driver/spi_master.h"
+
+esp_err_t spi_device_polling_transmit_custom(spi_device_handle_t handle, spi_transaction_t *trans_desc);
+
+
+#endif /* COMPONENTS_WEBGUIAPPCOMPONENT_INCLUDE_WEBGUIAPP_H_ */
diff --git a/src/SystemConfiguration.c b/src/SystemConfiguration.c
index ca0f794..5a3dd61 100644
--- a/src/SystemConfiguration.c
+++ b/src/SystemConfiguration.c
@@ -21,20 +21,19 @@
  *	\copyright Apache License, Version 2.0
  */
 
+#include "WebGUIApp.h"
+
 #include "stdlib.h"
 #include "string.h"
 #include "nvs_flash.h"
 #include "nvs.h"
 
-#include "esp_log.h"
-#include "esp_event.h"
-#include "esp_netif.h"
-#include "esp_system.h"
+
 
 #include "driver/gpio.h"
 #include "driver/adc.h"
 #include "driver/i2c.h"
-#include "driver/spi_master.h"
+
 
 #include "SystemConfiguration.h"
 #include "romfs.h"
@@ -42,6 +41,7 @@
 #include "Helpers.h"
 #include "HTTPServer.h"
 
+
 #define STORAGE_NAMESPACE "storage"
 #define TAG "SystemConfiguration"