improved calc program

Calc2/USB_HOST/Target/usbh_platform.h

@@ -0,0 +1,42 @@
+/* USER CODE BEGIN Header */
+/**
+  ******************************************************************************
+  * @file           : usbh_platform.h
+  * @brief          : Header for usbh_platform.c file.
+  ******************************************************************************
+  * @attention
+  *
+  * Copyright (c) 2025 STMicroelectronics.
+  * All rights reserved.
+  *
+  * This software is licensed under terms that can be found in the LICENSE file
+  * in the root directory of this software component.
+  * If no LICENSE file comes with this software, it is provided AS-IS.
+  *
+  ******************************************************************************
+  */
+/* USER CODE END Header */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __USBH_PLATFORM_H__
+#define __USBH_PLATFORM_H__
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "usb_host.h"
+
+/* USER CODE BEGIN INCLUDE */
+
+/* USER CODE END INCLUDE */
+
+void MX_DriverVbusHS(uint8_t state);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __USBH_PLATFORM_H__ */
+