Initial Filedump

Tadaaa!!

6 files changed, 1204 insertions, 0 deletions

diff --git a/bootloader/USB_DEVICE/App/usb_device.c b/bootloader/USB_DEVICE/App/usb_device.c
new file mode 100755
index 0000000..67d3f25
--- /dev/null
+++ b/bootloader/USB_DEVICE/App/usb_device.c
@@ -0,0 +1,102 @@
+/* USER CODE BEGIN Header */
+/**
+  ******************************************************************************
+  * @file           : usb_device.c
+  * @version        : v2.0_Cube
+  * @brief          : This file implements the USB Device
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; Copyright (c) 2020 STMicroelectronics.
+  * All rights reserved.</center></h2>
+  *
+  * This software component is licensed by ST under Ultimate Liberty license
+  * SLA0044, the "License"; You may not use this file except in compliance with
+  * the License. You may obtain a copy of the License at:
+  *                             www.st.com/SLA0044
+  *
+  ******************************************************************************
+  */
+/* USER CODE END Header */
+
+/* Includes ------------------------------------------------------------------*/
+
+#include "usb_device.h"
+#include "usbd_core.h"
+#include "usbd_desc.h"
+#include "usbd_msc.h"
+#include "usbd_storage_if.h"
+
+/* USER CODE BEGIN Includes */
+
+/* USER CODE END Includes */
+
+/* USER CODE BEGIN PV */
+/* Private variables ---------------------------------------------------------*/
+
+/* USER CODE END PV */
+
+/* USER CODE BEGIN PFP */
+/* Private function prototypes -----------------------------------------------*/
+
+/* USER CODE END PFP */
+
+/* USB Device Core handle declaration. */
+USBD_HandleTypeDef hUsbDeviceFS;
+extern USBD_DescriptorsTypeDef FS_Desc;
+
+/*
+ * -- Insert your variables declaration here --
+ */
+/* USER CODE BEGIN 0 */
+
+/* USER CODE END 0 */
+
+/*
+ * -- Insert your external function declaration here --
+ */
+/* USER CODE BEGIN 1 */
+
+/* USER CODE END 1 */
+
+/**
+  * Init USB device Library, add supported class and start the library
+  * @retval None
+  */
+void MX_USB_DEVICE_Init(void)
+{
+  /* USER CODE BEGIN USB_DEVICE_Init_PreTreatment */
+
+  /* USER CODE END USB_DEVICE_Init_PreTreatment */
+
+  /* Init Device Library, add supported class and start the library. */
+  if (USBD_Init(&hUsbDeviceFS, &FS_Desc, DEVICE_FS) != USBD_OK)
+  {
+    Error_Handler();
+  }
+  if (USBD_RegisterClass(&hUsbDeviceFS, &USBD_MSC) != USBD_OK)
+  {
+    Error_Handler();
+  }
+  if (USBD_MSC_RegisterStorage(&hUsbDeviceFS, &USBD_Storage_Interface_fops_FS) != USBD_OK)
+  {
+    Error_Handler();
+  }
+  if (USBD_Start(&hUsbDeviceFS) != USBD_OK)
+  {
+    Error_Handler();
+  }
+  /* USER CODE BEGIN USB_DEVICE_Init_PostTreatment */
+
+  /* USER CODE END USB_DEVICE_Init_PostTreatment */
+}
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/bootloader/USB_DEVICE/App/usb_device.h b/bootloader/USB_DEVICE/App/usb_device.h
new file mode 100755
index 0000000..7b67ca2
--- /dev/null
+++ b/bootloader/USB_DEVICE/App/usb_device.h
@@ -0,0 +1,105 @@
+/* USER CODE BEGIN Header */
+/**
+  ******************************************************************************
+  * @file           : usb_device.h
+  * @version        : v2.0_Cube
+  * @brief          : Header for usb_device.c file.
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; Copyright (c) 2020 STMicroelectronics.
+  * All rights reserved.</center></h2>
+  *
+  * This software component is licensed by ST under Ultimate Liberty license
+  * SLA0044, the "License"; You may not use this file except in compliance with
+  * the License. You may obtain a copy of the License at:
+  *                             www.st.com/SLA0044
+  *
+  ******************************************************************************
+  */
+/* USER CODE END Header */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __USB_DEVICE__H__
+#define __USB_DEVICE__H__
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32l4xx.h"
+#include "stm32l4xx_hal.h"
+#include "usbd_def.h"
+
+/* USER CODE BEGIN INCLUDE */
+
+/* USER CODE END INCLUDE */
+
+/** @addtogroup USBD_OTG_DRIVER
+  * @{
+  */
+
+/** @defgroup USBD_DEVICE USBD_DEVICE
+  * @brief Device file for Usb otg low level driver.
+  * @{
+  */
+
+/** @defgroup USBD_DEVICE_Exported_Variables USBD_DEVICE_Exported_Variables
+  * @brief Public variables.
+  * @{
+  */
+
+/* Private variables ---------------------------------------------------------*/
+/* USER CODE BEGIN PV */
+
+/* USER CODE END PV */
+
+/* Private function prototypes -----------------------------------------------*/
+/* USER CODE BEGIN PFP */
+
+/* USER CODE END PFP */
+
+/*
+ * -- Insert your variables declaration here --
+ */
+/* USER CODE BEGIN VARIABLES */
+
+/* USER CODE END VARIABLES */
+/**
+  * @}
+  */
+
+/** @defgroup USBD_DEVICE_Exported_FunctionsPrototype USBD_DEVICE_Exported_FunctionsPrototype
+  * @brief Declaration of public functions for Usb device.
+  * @{
+  */
+
+/** USB Device initialization function. */
+void MX_USB_DEVICE_Init(void);
+
+/*
+ * -- Insert functions declaration here --
+ */
+/* USER CODE BEGIN FD */
+
+/* USER CODE END FD */
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __USB_DEVICE__H__ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/bootloader/USB_DEVICE/App/usbd_desc.c b/bootloader/USB_DEVICE/App/usbd_desc.c
new file mode 100755
index 0000000..5dcd2e5
--- /dev/null
+++ b/bootloader/USB_DEVICE/App/usbd_desc.c
@@ -0,0 +1,445 @@
+/* USER CODE BEGIN Header */
+/**
+  ******************************************************************************
+  * @file           : App/usbd_desc.c
+  * @version        : v2.0_Cube
+  * @brief          : This file implements the USB device descriptors.
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; Copyright (c) 2020 STMicroelectronics.
+  * All rights reserved.</center></h2>
+  *
+  * This software component is licensed by ST under Ultimate Liberty license
+  * SLA0044, the "License"; You may not use this file except in compliance with
+  * the License. You may obtain a copy of the License at:
+  *                             www.st.com/SLA0044
+  *
+  ******************************************************************************
+  */
+/* USER CODE END Header */
+
+/* Includes ------------------------------------------------------------------*/
+#include "usbd_core.h"
+#include "usbd_desc.h"
+#include "usbd_conf.h"
+
+/* USER CODE BEGIN INCLUDE */
+
+/* USER CODE END INCLUDE */
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+/* Private macro -------------------------------------------------------------*/
+
+/* USER CODE BEGIN PV */
+/* Private variables ---------------------------------------------------------*/
+
+/* USER CODE END PV */
+
+/** @addtogroup STM32_USB_OTG_DEVICE_LIBRARY
+  * @{
+  */
+
+/** @addtogroup USBD_DESC
+  * @{
+  */
+
+/** @defgroup USBD_DESC_Private_TypesDefinitions USBD_DESC_Private_TypesDefinitions
+  * @brief Private types.
+  * @{
+  */
+
+/* USER CODE BEGIN PRIVATE_TYPES */
+
+/* USER CODE END PRIVATE_TYPES */
+
+/**
+  * @}
+  */
+
+/** @defgroup USBD_DESC_Private_Defines USBD_DESC_Private_Defines
+  * @brief Private defines.
+  * @{
+  */
+
+#define USBD_VID     1155
+#define USBD_LANGID_STRING     1033
+#define USBD_MANUFACTURER_STRING     "STMicroelectronics"
+#define USBD_PID_FS     22314
+#define USBD_PRODUCT_STRING_FS     "STM32 Mass Storage"
+#define USBD_CONFIGURATION_STRING_FS     "MSC Config"
+#define USBD_INTERFACE_STRING_FS     "MSC Interface"
+
+#define USB_SIZ_BOS_DESC            0x0C
+
+/* USER CODE BEGIN PRIVATE_DEFINES */
+
+/* USER CODE END PRIVATE_DEFINES */
+
+/**
+  * @}
+  */
+
+/* USER CODE BEGIN 0 */
+
+/* USER CODE END 0 */
+
+/** @defgroup USBD_DESC_Private_Macros USBD_DESC_Private_Macros
+  * @brief Private macros.
+  * @{
+  */
+
+/* USER CODE BEGIN PRIVATE_MACRO */
+
+/* USER CODE END PRIVATE_MACRO */
+
+/**
+  * @}
+  */
+
+/** @defgroup USBD_DESC_Private_FunctionPrototypes USBD_DESC_Private_FunctionPrototypes
+  * @brief Private functions declaration.
+  * @{
+  */
+
+static void Get_SerialNum(void);
+static void IntToUnicode(uint32_t value, uint8_t * pbuf, uint8_t len);
+
+/**
+  * @}
+  */
+
+/** @defgroup USBD_DESC_Private_FunctionPrototypes USBD_DESC_Private_FunctionPrototypes
+  * @brief Private functions declaration for FS.
+  * @{
+  */
+
+uint8_t * USBD_FS_DeviceDescriptor(USBD_SpeedTypeDef speed, uint16_t *length);
+uint8_t * USBD_FS_LangIDStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length);
+uint8_t * USBD_FS_ManufacturerStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length);
+uint8_t * USBD_FS_ProductStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length);
+uint8_t * USBD_FS_SerialStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length);
+uint8_t * USBD_FS_ConfigStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length);
+uint8_t * USBD_FS_InterfaceStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length);
+#if (USBD_LPM_ENABLED == 1)
+uint8_t * USBD_FS_USR_BOSDescriptor(USBD_SpeedTypeDef speed, uint16_t *length);
+#endif /* (USBD_LPM_ENABLED == 1) */
+
+/**
+  * @}
+  */
+
+/** @defgroup USBD_DESC_Private_Variables USBD_DESC_Private_Variables
+  * @brief Private variables.
+  * @{
+  */
+
+USBD_DescriptorsTypeDef FS_Desc =
+{
+  USBD_FS_DeviceDescriptor
+, USBD_FS_LangIDStrDescriptor
+, USBD_FS_ManufacturerStrDescriptor
+, USBD_FS_ProductStrDescriptor
+, USBD_FS_SerialStrDescriptor
+, USBD_FS_ConfigStrDescriptor
+, USBD_FS_InterfaceStrDescriptor
+#if (USBD_LPM_ENABLED == 1)
+, USBD_FS_USR_BOSDescriptor
+#endif /* (USBD_LPM_ENABLED == 1) */
+};
+
+#if defined ( __ICCARM__ ) /* IAR Compiler */
+  #pragma data_alignment=4
+#endif /* defined ( __ICCARM__ ) */
+/** USB standard device descriptor. */
+__ALIGN_BEGIN uint8_t USBD_FS_DeviceDesc[USB_LEN_DEV_DESC] __ALIGN_END =
+{
+  0x12,                       /*bLength */
+  USB_DESC_TYPE_DEVICE,       /*bDescriptorType*/
+#if (USBD_LPM_ENABLED == 1)
+  0x01,                       /*bcdUSB */ /* changed to USB version 2.01
+                                             in order to support LPM L1 suspend
+                                             resume test of USBCV3.0*/
+#else
+  0x00,                       /*bcdUSB */
+#endif /* (USBD_LPM_ENABLED == 1) */
+  0x02,
+  0x00,                       /*bDeviceClass*/
+  0x00,                       /*bDeviceSubClass*/
+  0x00,                       /*bDeviceProtocol*/
+  USB_MAX_EP0_SIZE,           /*bMaxPacketSize*/
+  LOBYTE(USBD_VID),           /*idVendor*/
+  HIBYTE(USBD_VID),           /*idVendor*/
+  LOBYTE(USBD_PID_FS),        /*idProduct*/
+  HIBYTE(USBD_PID_FS),        /*idProduct*/
+  0x00,                       /*bcdDevice rel. 2.00*/
+  0x02,
+  USBD_IDX_MFC_STR,           /*Index of manufacturer  string*/
+  USBD_IDX_PRODUCT_STR,       /*Index of product string*/
+  USBD_IDX_SERIAL_STR,        /*Index of serial number string*/
+  USBD_MAX_NUM_CONFIGURATION  /*bNumConfigurations*/
+};
+
+/* USB_DeviceDescriptor */
+/** BOS descriptor. */
+#if (USBD_LPM_ENABLED == 1)
+#if defined ( __ICCARM__ ) /* IAR Compiler */
+  #pragma data_alignment=4
+#endif /* defined ( __ICCARM__ ) */
+__ALIGN_BEGIN uint8_t USBD_FS_BOSDesc[USB_SIZ_BOS_DESC] __ALIGN_END =
+{
+  0x5,
+  USB_DESC_TYPE_BOS,
+  0xC,
+  0x0,
+  0x1,  /* 1 device capability*/
+        /* device capability*/
+  0x7,
+  USB_DEVICE_CAPABITY_TYPE,
+  0x2,
+  0x2,  /* LPM capability bit set*/
+  0x0,
+  0x0,
+  0x0
+};
+#endif /* (USBD_LPM_ENABLED == 1) */
+
+/**
+  * @}
+  */
+
+/** @defgroup USBD_DESC_Private_Variables USBD_DESC_Private_Variables
+  * @brief Private variables.
+  * @{
+  */
+
+#if defined ( __ICCARM__ ) /* IAR Compiler */
+  #pragma data_alignment=4
+#endif /* defined ( __ICCARM__ ) */
+
+/** USB lang indentifier descriptor. */
+__ALIGN_BEGIN uint8_t USBD_LangIDDesc[USB_LEN_LANGID_STR_DESC] __ALIGN_END =
+{
+     USB_LEN_LANGID_STR_DESC,
+     USB_DESC_TYPE_STRING,
+     LOBYTE(USBD_LANGID_STRING),
+     HIBYTE(USBD_LANGID_STRING)
+};
+
+#if defined ( __ICCARM__ ) /* IAR Compiler */
+  #pragma data_alignment=4
+#endif /* defined ( __ICCARM__ ) */
+/* Internal string descriptor. */
+__ALIGN_BEGIN uint8_t USBD_StrDesc[USBD_MAX_STR_DESC_SIZ] __ALIGN_END;
+
+#if defined ( __ICCARM__ ) /*!< IAR Compiler */
+  #pragma data_alignment=4
+#endif
+__ALIGN_BEGIN uint8_t USBD_StringSerial[USB_SIZ_STRING_SERIAL] __ALIGN_END = {
+  USB_SIZ_STRING_SERIAL,
+  USB_DESC_TYPE_STRING,
+};
+
+/**
+  * @}
+  */
+
+/** @defgroup USBD_DESC_Private_Functions USBD_DESC_Private_Functions
+  * @brief Private functions.
+  * @{
+  */
+
+/**
+  * @brief  Return the device descriptor
+  * @param  speed : Current device speed
+  * @param  length : Pointer to data length variable
+  * @retval Pointer to descriptor buffer
+  */
+uint8_t * USBD_FS_DeviceDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
+{
+  UNUSED(speed);
+  *length = sizeof(USBD_FS_DeviceDesc);
+  return USBD_FS_DeviceDesc;
+}
+
+/**
+  * @brief  Return the LangID string descriptor
+  * @param  speed : Current device speed
+  * @param  length : Pointer to data length variable
+  * @retval Pointer to descriptor buffer
+  */
+uint8_t * USBD_FS_LangIDStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
+{
+  UNUSED(speed);
+  *length = sizeof(USBD_LangIDDesc);
+  return USBD_LangIDDesc;
+}
+
+/**
+  * @brief  Return the product string descriptor
+  * @param  speed : Current device speed
+  * @param  length : Pointer to data length variable
+  * @retval Pointer to descriptor buffer
+  */
+uint8_t * USBD_FS_ProductStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
+{
+  if(speed == 0)
+  {
+    USBD_GetString((uint8_t *)USBD_PRODUCT_STRING_FS, USBD_StrDesc, length);
+  }
+  else
+  {
+    USBD_GetString((uint8_t *)USBD_PRODUCT_STRING_FS, USBD_StrDesc, length);
+  }
+  return USBD_StrDesc;
+}
+
+/**
+  * @brief  Return the manufacturer string descriptor
+  * @param  speed : Current device speed
+  * @param  length : Pointer to data length variable
+  * @retval Pointer to descriptor buffer
+  */
+uint8_t * USBD_FS_ManufacturerStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
+{
+  UNUSED(speed);
+  USBD_GetString((uint8_t *)USBD_MANUFACTURER_STRING, USBD_StrDesc, length);
+  return USBD_StrDesc;
+}
+
+/**
+  * @brief  Return the serial number string descriptor
+  * @param  speed : Current device speed
+  * @param  length : Pointer to data length variable
+  * @retval Pointer to descriptor buffer
+  */
+uint8_t * USBD_FS_SerialStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
+{
+  UNUSED(speed);
+  *length = USB_SIZ_STRING_SERIAL;
+
+  /* Update the serial number string descriptor with the data from the unique
+   * ID */
+  Get_SerialNum();
+  /* USER CODE BEGIN USBD_FS_SerialStrDescriptor */
+
+  /* USER CODE END USBD_FS_SerialStrDescriptor */
+  return (uint8_t *) USBD_StringSerial;
+}
+
+/**
+  * @brief  Return the configuration string descriptor
+  * @param  speed : Current device speed
+  * @param  length : Pointer to data length variable
+  * @retval Pointer to descriptor buffer
+  */
+uint8_t * USBD_FS_ConfigStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
+{
+  if(speed == USBD_SPEED_HIGH)
+  {
+    USBD_GetString((uint8_t *)USBD_CONFIGURATION_STRING_FS, USBD_StrDesc, length);
+  }
+  else
+  {
+    USBD_GetString((uint8_t *)USBD_CONFIGURATION_STRING_FS, USBD_StrDesc, length);
+  }
+  return USBD_StrDesc;
+}
+
+/**
+  * @brief  Return the interface string descriptor
+  * @param  speed : Current device speed
+  * @param  length : Pointer to data length variable
+  * @retval Pointer to descriptor buffer
+  */
+uint8_t * USBD_FS_InterfaceStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
+{
+  if(speed == 0)
+  {
+    USBD_GetString((uint8_t *)USBD_INTERFACE_STRING_FS, USBD_StrDesc, length);
+  }
+  else
+  {
+    USBD_GetString((uint8_t *)USBD_INTERFACE_STRING_FS, USBD_StrDesc, length);
+  }
+  return USBD_StrDesc;
+}
+
+#if (USBD_LPM_ENABLED == 1)
+/**
+  * @brief  Return the BOS descriptor
+  * @param  speed : Current device speed
+  * @param  length : Pointer to data length variable
+  * @retval Pointer to descriptor buffer
+  */
+uint8_t * USBD_FS_USR_BOSDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
+{
+  UNUSED(speed);
+  *length = sizeof(USBD_FS_BOSDesc);
+  return (uint8_t*)USBD_FS_BOSDesc;
+}
+#endif /* (USBD_LPM_ENABLED == 1) */
+
+/**
+  * @brief  Create the serial number string descriptor
+  * @param  None
+  * @retval None
+  */
+static void Get_SerialNum(void)
+{
+  uint32_t deviceserial0, deviceserial1, deviceserial2;
+
+  deviceserial0 = *(uint32_t *) DEVICE_ID1;
+  deviceserial1 = *(uint32_t *) DEVICE_ID2;
+  deviceserial2 = *(uint32_t *) DEVICE_ID3;
+
+  deviceserial0 += deviceserial2;
+
+  if (deviceserial0 != 0)
+  {
+    IntToUnicode(deviceserial0, &USBD_StringSerial[2], 8);
+    IntToUnicode(deviceserial1, &USBD_StringSerial[18], 4);
+  }
+}
+
+/**
+  * @brief  Convert Hex 32Bits value into char
+  * @param  value: value to convert
+  * @param  pbuf: pointer to the buffer
+  * @param  len: buffer length
+  * @retval None
+  */
+static void IntToUnicode(uint32_t value, uint8_t * pbuf, uint8_t len)
+{
+  uint8_t idx = 0;
+
+  for (idx = 0; idx < len; idx++)
+  {
+    if (((value >> 28)) < 0xA)
+    {
+      pbuf[2 * idx] = (value >> 28) + '0';
+    }
+    else
+    {
+      pbuf[2 * idx] = (value >> 28) + 'A' - 10;
+    }
+
+    value = value << 4;
+
+    pbuf[2 * idx + 1] = 0;
+  }
+}
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/bootloader/USB_DEVICE/App/usbd_desc.h b/bootloader/USB_DEVICE/App/usbd_desc.h
new file mode 100755
index 0000000..4bc2299
--- /dev/null
+++ b/bootloader/USB_DEVICE/App/usbd_desc.h
@@ -0,0 +1,145 @@
+/* USER CODE BEGIN Header */
+/**
+  ******************************************************************************
+  * @file           : usbd_desc.c
+  * @version        : v2.0_Cube
+  * @brief          : Header for usbd_conf.c file.
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; Copyright (c) 2020 STMicroelectronics.
+  * All rights reserved.</center></h2>
+  *
+  * This software component is licensed by ST under Ultimate Liberty license
+  * SLA0044, the "License"; You may not use this file except in compliance with
+  * the License. You may obtain a copy of the License at:
+  *                             www.st.com/SLA0044
+  *
+  ******************************************************************************
+  */
+/* USER CODE END Header */
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __USBD_DESC__C__
+#define __USBD_DESC__C__
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "usbd_def.h"
+
+/* USER CODE BEGIN INCLUDE */
+
+/* USER CODE END INCLUDE */
+
+/** @addtogroup STM32_USB_OTG_DEVICE_LIBRARY
+  * @{
+  */
+
+/** @defgroup USBD_DESC USBD_DESC
+  * @brief Usb device descriptors module.
+  * @{
+  */
+
+/** @defgroup USBD_DESC_Exported_Constants USBD_DESC_Exported_Constants
+  * @brief Constants.
+  * @{
+  */
+#define         DEVICE_ID1          (UID_BASE)
+#define         DEVICE_ID2          (UID_BASE + 0x4)
+#define         DEVICE_ID3          (UID_BASE + 0x8)
+
+#define  USB_SIZ_STRING_SERIAL       0x1A
+
+/* USER CODE BEGIN EXPORTED_CONSTANTS */
+
+/* USER CODE END EXPORTED_CONSTANTS */
+
+/**
+  * @}
+  */
+
+/** @defgroup USBD_DESC_Exported_Defines USBD_DESC_Exported_Defines
+  * @brief Defines.
+  * @{
+  */
+
+/* USER CODE BEGIN EXPORTED_DEFINES */
+
+/* USER CODE END EXPORTED_DEFINES */
+
+/**
+  * @}
+  */
+
+/** @defgroup USBD_DESC_Exported_TypesDefinitions USBD_DESC_Exported_TypesDefinitions
+  * @brief Types.
+  * @{
+  */
+
+/* USER CODE BEGIN EXPORTED_TYPES */
+
+/* USER CODE END EXPORTED_TYPES */
+
+/**
+  * @}
+  */
+
+/** @defgroup USBD_DESC_Exported_Macros USBD_DESC_Exported_Macros
+  * @brief Aliases.
+  * @{
+  */
+
+/* USER CODE BEGIN EXPORTED_MACRO */
+
+/* USER CODE END EXPORTED_MACRO */
+
+/**
+  * @}
+  */
+
+/** @defgroup USBD_DESC_Exported_Variables USBD_DESC_Exported_Variables
+  * @brief Public variables.
+  * @{
+  */
+
+/** Descriptor for the Usb device. */
+extern USBD_DescriptorsTypeDef FS_Desc;
+
+/* USER CODE BEGIN EXPORTED_VARIABLES */
+
+/* USER CODE END EXPORTED_VARIABLES */
+
+/**
+  * @}
+  */
+
+/** @defgroup USBD_DESC_Exported_FunctionsPrototype USBD_DESC_Exported_FunctionsPrototype
+  * @brief Public functions declaration.
+  * @{
+  */
+
+/* USER CODE BEGIN EXPORTED_FUNCTIONS */
+
+/* USER CODE END EXPORTED_FUNCTIONS */
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __USBD_DESC__C__ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/bootloader/USB_DEVICE/App/usbd_storage_if.c b/bootloader/USB_DEVICE/App/usbd_storage_if.c
new file mode 100755
index 0000000..537c351
--- /dev/null
+++ b/bootloader/USB_DEVICE/App/usbd_storage_if.c
@@ -0,0 +1,278 @@
+/* USER CODE BEGIN Header */
+/**
+  ******************************************************************************
+  * @file           : usbd_storage_if.c
+  * @version        : v2.0_Cube
+  * @brief          : Memory management layer.
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; Copyright (c) 2020 STMicroelectronics.
+  * All rights reserved.</center></h2>
+  *
+  * This software component is licensed by ST under Ultimate Liberty license
+  * SLA0044, the "License"; You may not use this file except in compliance with
+  * the License. You may obtain a copy of the License at:
+  *                             www.st.com/SLA0044
+  *
+  ******************************************************************************
+  */
+/* USER CODE END Header */
+
+/* Includes ------------------------------------------------------------------*/
+#include "usbd_storage_if.h"
+
+/* USER CODE BEGIN INCLUDE */
+
+/* USER CODE END INCLUDE */
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+/* Private macro -------------------------------------------------------------*/
+
+/* USER CODE BEGIN PV */
+/* Private variables ---------------------------------------------------------*/
+
+/* USER CODE END PV */
+
+/** @addtogroup STM32_USB_OTG_DEVICE_LIBRARY
+  * @brief Usb device.
+  * @{
+  */
+
+/** @defgroup USBD_STORAGE
+  * @brief Usb mass storage device module
+  * @{
+  */
+
+/** @defgroup USBD_STORAGE_Private_TypesDefinitions
+  * @brief Private types.
+  * @{
+  */
+
+/* USER CODE BEGIN PRIVATE_TYPES */
+ int read_block(uint32_t lba,uint8_t *copy_to);
+int write_block(uint32_t lba,const uint8_t *copy_from);
+/* USER CODE END PRIVATE_TYPES */
+
+/**
+  * @}
+  */
+
+/** @defgroup USBD_STORAGE_Private_Defines
+  * @brief Private defines.
+  * @{
+  */
+
+#define STORAGE_LUN_NBR                  1
+#define STORAGE_BLK_NBR                  0x10000
+#define STORAGE_BLK_SIZ                  0x200
+
+/* USER CODE BEGIN PRIVATE_DEFINES */
+/* USER CODE END PRIVATE_DEFINES */
+
+/**
+  * @}
+  */
+
+/** @defgroup USBD_STORAGE_Private_Macros
+  * @brief Private macros.
+  * @{
+  */
+
+/* USER CODE BEGIN PRIVATE_MACRO */
+
+/* USER CODE END PRIVATE_MACRO */
+
+/**
+  * @}
+  */
+
+/** @defgroup USBD_STORAGE_Private_Variables
+  * @brief Private variables.
+  * @{
+  */
+
+/* USER CODE BEGIN INQUIRY_DATA_FS */
+/** USB Mass storage Standard Inquiry Data. */
+const int8_t STORAGE_Inquirydata_FS[] = {/* 36 */
+
+  /* LUN 0 */
+  0x00,
+  0x80,
+  0x02,
+  0x02,
+  (STANDARD_INQUIRY_DATA_LEN - 5),
+  0x00,
+  0x00,
+  0x00,
+  'L', 'a', 's', 't', 'C', 'n', 'k', 'r', /* Manufacturer : 8 bytes */
+  'P', 'l', 'i', 'n', 'k', 'y', ' ', ' ', /* Product      : 16 Bytes */
+  ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
+  '0', '.', '0' ,'1'                      /* Version      : 4 Bytes */
+};
+/* USER CODE END INQUIRY_DATA_FS */
+
+/* USER CODE BEGIN PRIVATE_VARIABLES */
+
+/* USER CODE END PRIVATE_VARIABLES */
+
+/**
+  * @}
+  */
+
+/** @defgroup USBD_STORAGE_Exported_Variables
+  * @brief Public variables.
+  * @{
+  */
+
+extern USBD_HandleTypeDef hUsbDeviceFS;
+
+/* USER CODE BEGIN EXPORTED_VARIABLES */
+
+/* USER CODE END EXPORTED_VARIABLES */
+
+/**
+  * @}
+  */
+
+/** @defgroup USBD_STORAGE_Private_FunctionPrototypes
+  * @brief Private functions declaration.
+  * @{
+  */
+
+static int8_t STORAGE_Init_FS(uint8_t lun);
+static int8_t STORAGE_GetCapacity_FS(uint8_t lun, uint32_t *block_num, uint16_t *block_size);
+static int8_t STORAGE_IsReady_FS(uint8_t lun);
+static int8_t STORAGE_IsWriteProtected_FS(uint8_t lun);
+static int8_t STORAGE_Read_FS(uint8_t lun, uint8_t *buf, uint32_t blk_addr, uint16_t blk_len);
+static int8_t STORAGE_Write_FS(uint8_t lun, uint8_t *buf, uint32_t blk_addr, uint16_t blk_len);
+static int8_t STORAGE_GetMaxLun_FS(void);
+
+/* USER CODE BEGIN PRIVATE_FUNCTIONS_DECLARATION */
+
+/* USER CODE END PRIVATE_FUNCTIONS_DECLARATION */
+
+/**
+  * @}
+  */
+
+USBD_StorageTypeDef USBD_Storage_Interface_fops_FS =
+{
+  STORAGE_Init_FS,
+  STORAGE_GetCapacity_FS,
+  STORAGE_IsReady_FS,
+  STORAGE_IsWriteProtected_FS,
+  STORAGE_Read_FS,
+  STORAGE_Write_FS,
+  STORAGE_GetMaxLun_FS,
+  (int8_t *)STORAGE_Inquirydata_FS
+};
+
+/* Private functions ---------------------------------------------------------*/
+/**
+  * @brief  Initializes over USB FS IP
+  * @param  lun:
+  * @retval USBD_OK if all operations are OK else USBD_FAIL
+  */
+int8_t STORAGE_Init_FS(uint8_t lun)
+{
+  /* USER CODE BEGIN 2 */
+  return (USBD_OK);
+  /* USER CODE END 2 */
+}
+
+/**
+  * @brief  .
+  * @param  lun: .
+  * @param  block_num: .
+  * @param  block_size: .
+  * @retval USBD_OK if all operations are OK else USBD_FAIL
+  */
+int8_t STORAGE_GetCapacity_FS(uint8_t lun, uint32_t *block_num, uint16_t *block_size)
+{
+  /* USER CODE BEGIN 3 */
+  *block_num  = (96*1024*1024)/STORAGE_BLK_SIZ;
+  *block_size = STORAGE_BLK_SIZ;
+  return (USBD_OK);
+  /* USER CODE END 3 */
+}
+
+/**
+  * @brief  .
+  * @param  lun: .
+  * @retval USBD_OK if all operations are OK else USBD_FAIL
+  */
+int8_t STORAGE_IsReady_FS(uint8_t lun)
+{
+  /* USER CODE BEGIN 4 */
+  return (USBD_OK);
+  /* USER CODE END 4 */
+}
+
+/**
+  * @brief  .
+  * @param  lun: .
+  * @retval USBD_OK if all operations are OK else USBD_FAIL
+  */
+int8_t STORAGE_IsWriteProtected_FS(uint8_t lun)
+{
+  /* USER CODE BEGIN 5 */
+  return (USBD_OK);
+  /* USER CODE END 5 */
+}
+
+/**
+  * @brief  .
+  * @param  lun: .
+  * @retval USBD_OK if all operations are OK else USBD_FAIL
+  */
+int8_t STORAGE_Read_FS(uint8_t lun, uint8_t *buf, uint32_t blk_addr, uint16_t blk_len)
+{
+  /* USER CODE BEGIN 6 */
+//	memcpy(buf, &buffer[blk_addr*STORAGE_BLK_SIZ], blk_len*STORAGE_BLK_SIZ);
+	for (;blk_len>0;blk_len--,blk_addr++,buf+=512)
+	read_block(blk_addr,buf);
+  return (USBD_OK);
+  /* USER CODE END 6 */
+}
+
+/**
+  * @brief  .
+  * @param  lun: .
+  * @retval USBD_OK if all operations are OK else USBD_FAIL
+  */
+int8_t STORAGE_Write_FS(uint8_t lun, uint8_t *buf, uint32_t blk_addr, uint16_t blk_len)
+{
+  /* USER CODE BEGIN 7 */
+  for (;blk_len>0;blk_len--,blk_addr++,buf+=512)
+	write_block(blk_addr,buf);
+  return (USBD_OK);
+  /* USER CODE END 7 */
+}
+
+/**
+  * @brief  .
+  * @param  None
+  * @retval .
+  */
+int8_t STORAGE_GetMaxLun_FS(void)
+{
+  /* USER CODE BEGIN 8 */
+  return (STORAGE_LUN_NBR - 1);
+  /* USER CODE END 8 */
+}
+
+/* USER CODE BEGIN PRIVATE_FUNCTIONS_IMPLEMENTATION */
+
+/* USER CODE END PRIVATE_FUNCTIONS_IMPLEMENTATION */
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/bootloader/USB_DEVICE/App/usbd_storage_if.h b/bootloader/USB_DEVICE/App/usbd_storage_if.h
new file mode 100755
index 0000000..b38ee32
--- /dev/null
+++ b/bootloader/USB_DEVICE/App/usbd_storage_if.h
@@ -0,0 +1,129 @@
+/* USER CODE BEGIN Header */
+/**
+  ******************************************************************************
+  * @file           : usbd_storage_if.h
+  * @version        : v2.0_Cube
+  * @brief          : Header for usbd_storage_if.c file.
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; Copyright (c) 2020 STMicroelectronics.
+  * All rights reserved.</center></h2>
+  *
+  * This software component is licensed by ST under Ultimate Liberty license
+  * SLA0044, the "License"; You may not use this file except in compliance with
+  * the License. You may obtain a copy of the License at:
+  *                             www.st.com/SLA0044
+  *
+  ******************************************************************************
+  */
+/* USER CODE END Header */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __USBD_STORAGE_IF_H__
+#define __USBD_STORAGE_IF_H__
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "usbd_msc.h"
+
+/* USER CODE BEGIN INCLUDE */
+
+/* USER CODE END INCLUDE */
+
+/** @addtogroup STM32_USB_OTG_DEVICE_LIBRARY
+  * @brief For Usb device.
+  * @{
+  */
+
+/** @defgroup USBD_STORAGE USBD_STORAGE
+  * @brief Header file for the usb_storage_if.c file
+  * @{
+  */
+
+/** @defgroup USBD_STORAGE_Exported_Defines USBD_STORAGE_Exported_Defines
+  * @brief Defines.
+  * @{
+  */
+
+/* USER CODE BEGIN EXPORTED_DEFINES */
+
+/* USER CODE END EXPORTED_DEFINES */
+
+/**
+  * @}
+  */
+
+/** @defgroup USBD_STORAGE_Exported_Types USBD_STORAGE_Exported_Types
+  * @brief Types.
+  * @{
+  */
+
+/* USER CODE BEGIN EXPORTED_TYPES */
+
+/* USER CODE END EXPORTED_TYPES */
+
+/**
+  * @}
+  */
+
+/** @defgroup USBD_STORAGE_Exported_Macros USBD_STORAGE_Exported_Macros
+  * @brief Aliases.
+  * @{
+  */
+
+/* USER CODE BEGIN EXPORTED_MACRO */
+
+/* USER CODE END EXPORTED_MACRO */
+
+/**
+  * @}
+  */
+
+/** @defgroup USBD_STORAGE_Exported_Variables USBD_STORAGE_Exported_Variables
+  * @brief Public variables.
+  * @{
+  */
+
+/** STORAGE Interface callback. */
+extern USBD_StorageTypeDef USBD_Storage_Interface_fops_FS;
+
+/* USER CODE BEGIN EXPORTED_VARIABLES */
+
+/* USER CODE END EXPORTED_VARIABLES */
+
+/**
+  * @}
+  */
+
+/** @defgroup USBD_STORAGE_Exported_FunctionsPrototype USBD_STORAGE_Exported_FunctionsPrototype
+  * @brief Public functions declaration.
+  * @{
+  */
+
+/* USER CODE BEGIN EXPORTED_FUNCTIONS */
+
+/* USER CODE END EXPORTED_FUNCTIONS */
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __USBD_STORAGE_IF_H__ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/