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-rwxr-xr-xMiddlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc.h137
-rwxr-xr-xMiddlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc_bot.h146
-rwxr-xr-xMiddlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc_data.h106
-rwxr-xr-xMiddlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc_scsi.h183
-rwxr-xr-xMiddlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc.c584
-rwxr-xr-xMiddlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_bot.c478
-rwxr-xr-xMiddlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_data.c164
-rwxr-xr-xMiddlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_scsi.c1323
-rwxr-xr-xMiddlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_core.h175
-rwxr-xr-xMiddlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_ctlreq.h101
-rwxr-xr-xMiddlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_def.h524
-rwxr-xr-xMiddlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_ioreq.h113
-rwxr-xr-xMiddlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_core.c1221
-rwxr-xr-xMiddlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ctlreq.c1058
-rwxr-xr-xMiddlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ioreq.c226
-rwxr-xr-xMiddlewares/ST/STM32_USB_Device_Library/LICENSE.txt94
16 files changed, 6633 insertions, 0 deletions
diff --git a/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc.h b/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc.h
new file mode 100755
index 0000000..c9c26cb
--- /dev/null
+++ b/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc.h
@@ -0,0 +1,137 @@
+/**
+ ******************************************************************************
+ * @file usbd_msc.h
+ * @author MCD Application Team
+ * @brief Header for the usbd_msc.c file
+ ******************************************************************************
+ * @attention
+ *
+ * Copyright (c) 2015 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.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __USBD_MSC_H
+#define __USBD_MSC_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "usbd_msc_bot.h"
+#include "usbd_msc_scsi.h"
+#include "usbd_ioreq.h"
+
+/** @addtogroup USBD_MSC_BOT
+ * @{
+ */
+
+/** @defgroup USBD_MSC
+ * @brief This file is the Header file for usbd_msc.c
+ * @{
+ */
+
+
+/** @defgroup USBD_BOT_Exported_Defines
+ * @{
+ */
+/* MSC Class Config */
+#ifndef MSC_MEDIA_PACKET
+#define MSC_MEDIA_PACKET 512U
+#endif /* MSC_MEDIA_PACKET */
+
+#define MSC_MAX_FS_PACKET 0x40U
+#define MSC_MAX_HS_PACKET 0x200U
+
+#define BOT_GET_MAX_LUN 0xFE
+#define BOT_RESET 0xFF
+#define USB_MSC_CONFIG_DESC_SIZ 32
+
+#ifndef MSC_EPIN_ADDR
+#define MSC_EPIN_ADDR 0x81U
+#endif /* MSC_EPIN_ADDR */
+
+#ifndef MSC_EPOUT_ADDR
+#define MSC_EPOUT_ADDR 0x01U
+#endif /* MSC_EPOUT_ADDR */
+
+#ifndef MSC_BOT_MAX_LUN
+#define MSC_BOT_MAX_LUN 0x2U
+#endif /* MSC_BOT_MAX_LUN */
+
+/**
+ * @}
+ */
+
+/** @defgroup USB_CORE_Exported_Types
+ * @{
+ */
+typedef struct _USBD_STORAGE
+{
+ int8_t (* Init)(uint8_t lun);
+ int8_t (* GetCapacity)(uint8_t lun, uint32_t *block_num, uint16_t *block_size);
+ int8_t (* IsReady)(uint8_t lun);
+ int8_t (* IsWriteProtected)(uint8_t lun);
+ int8_t (* Read)(uint8_t lun, uint8_t *buf, uint32_t blk_addr, uint16_t blk_len);
+ int8_t (* Write)(uint8_t lun, uint8_t *buf, uint32_t blk_addr, uint16_t blk_len);
+ int8_t (* GetMaxLun)(void);
+ int8_t *pInquiry;
+
+} USBD_StorageTypeDef;
+
+typedef struct
+{
+ uint16_t size;
+ uint32_t nbr;
+ uint32_t addr;
+ uint32_t len;
+} USBD_MSC_BOT_LUN_TypeDef;
+
+typedef struct
+{
+ uint32_t max_lun;
+ uint32_t interface;
+ uint8_t bot_state;
+ uint8_t bot_status;
+ uint32_t bot_data_length;
+ uint8_t bot_data[MSC_MEDIA_PACKET];
+ USBD_MSC_BOT_CBWTypeDef cbw;
+ USBD_MSC_BOT_CSWTypeDef csw;
+
+ USBD_SCSI_SenseTypeDef scsi_sense [SENSE_LIST_DEEPTH];
+ uint8_t scsi_sense_head;
+ uint8_t scsi_sense_tail;
+ uint8_t scsi_medium_state;
+
+ USBD_MSC_BOT_LUN_TypeDef scsi_blk[MSC_BOT_MAX_LUN];
+} USBD_MSC_BOT_HandleTypeDef;
+
+/* Structure for MSC process */
+extern USBD_ClassTypeDef USBD_MSC;
+#define USBD_MSC_CLASS &USBD_MSC
+
+uint8_t USBD_MSC_RegisterStorage(USBD_HandleTypeDef *pdev,
+ USBD_StorageTypeDef *fops);
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __USBD_MSC_H */
+/**
+ * @}
+ */
diff --git a/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc_bot.h b/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc_bot.h
new file mode 100755
index 0000000..8550a39
--- /dev/null
+++ b/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc_bot.h
@@ -0,0 +1,146 @@
+/**
+ ******************************************************************************
+ * @file usbd_msc_bot.h
+ * @author MCD Application Team
+ * @brief Header for the usbd_msc_bot.c file
+ ******************************************************************************
+ * @attention
+ *
+ * Copyright (c) 2015 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.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __USBD_MSC_BOT_H
+#define __USBD_MSC_BOT_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "usbd_core.h"
+
+/** @addtogroup STM32_USB_DEVICE_LIBRARY
+ * @{
+ */
+
+/** @defgroup MSC_BOT
+ * @brief This file is the Header file for usbd_msc_bot.c
+ * @{
+ */
+
+
+/** @defgroup USBD_CORE_Exported_Defines
+ * @{
+ */
+#define USBD_BOT_IDLE 0U /* Idle state */
+#define USBD_BOT_DATA_OUT 1U /* Data Out state */
+#define USBD_BOT_DATA_IN 2U /* Data In state */
+#define USBD_BOT_LAST_DATA_IN 3U /* Last Data In Last */
+#define USBD_BOT_SEND_DATA 4U /* Send Immediate data */
+#define USBD_BOT_NO_DATA 5U /* No data Stage */
+
+#define USBD_BOT_CBW_SIGNATURE 0x43425355U
+#define USBD_BOT_CSW_SIGNATURE 0x53425355U
+#define USBD_BOT_CBW_LENGTH 31U
+#define USBD_BOT_CSW_LENGTH 13U
+#define USBD_BOT_MAX_DATA 256U
+
+/* CSW Status Definitions */
+#define USBD_CSW_CMD_PASSED 0x00U
+#define USBD_CSW_CMD_FAILED 0x01U
+#define USBD_CSW_PHASE_ERROR 0x02U
+
+/* BOT Status */
+#define USBD_BOT_STATUS_NORMAL 0U
+#define USBD_BOT_STATUS_RECOVERY 1U
+#define USBD_BOT_STATUS_ERROR 2U
+
+
+#define USBD_DIR_IN 0U
+#define USBD_DIR_OUT 1U
+#define USBD_BOTH_DIR 2U
+
+/**
+ * @}
+ */
+
+/** @defgroup MSC_CORE_Private_TypesDefinitions
+ * @{
+ */
+
+typedef struct
+{
+ uint32_t dSignature;
+ uint32_t dTag;
+ uint32_t dDataLength;
+ uint8_t bmFlags;
+ uint8_t bLUN;
+ uint8_t bCBLength;
+ uint8_t CB[16];
+ uint8_t ReservedForAlign;
+} USBD_MSC_BOT_CBWTypeDef;
+
+
+typedef struct
+{
+ uint32_t dSignature;
+ uint32_t dTag;
+ uint32_t dDataResidue;
+ uint8_t bStatus;
+ uint8_t ReservedForAlign[3];
+} USBD_MSC_BOT_CSWTypeDef;
+
+/**
+ * @}
+ */
+
+
+/** @defgroup USBD_CORE_Exported_Types
+ * @{
+ */
+
+/**
+ * @}
+ */
+/** @defgroup USBD_CORE_Exported_FunctionsPrototypes
+ * @{
+ */
+void MSC_BOT_Init(USBD_HandleTypeDef *pdev);
+void MSC_BOT_Reset(USBD_HandleTypeDef *pdev);
+void MSC_BOT_DeInit(USBD_HandleTypeDef *pdev);
+void MSC_BOT_DataIn(USBD_HandleTypeDef *pdev,
+ uint8_t epnum);
+
+void MSC_BOT_DataOut(USBD_HandleTypeDef *pdev,
+ uint8_t epnum);
+
+void MSC_BOT_SendCSW(USBD_HandleTypeDef *pdev,
+ uint8_t CSW_Status);
+
+void MSC_BOT_CplClrFeature(USBD_HandleTypeDef *pdev,
+ uint8_t epnum);
+/**
+ * @}
+ */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __USBD_MSC_BOT_H */
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
diff --git a/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc_data.h b/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc_data.h
new file mode 100755
index 0000000..a321c91
--- /dev/null
+++ b/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc_data.h
@@ -0,0 +1,106 @@
+/**
+ ******************************************************************************
+ * @file usbd_msc_data.h
+ * @author MCD Application Team
+ * @brief Header for the usbd_msc_data.c file
+ ******************************************************************************
+ * @attention
+ *
+ * Copyright (c) 2015 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.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __USBD_MSC_DATA_H
+#define __USBD_MSC_DATA_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "usbd_conf.h"
+
+/** @addtogroup STM32_USB_DEVICE_LIBRARY
+ * @{
+ */
+
+/** @defgroup USB_INFO
+ * @brief general defines for the usb device library file
+ * @{
+ */
+
+/** @defgroup USB_INFO_Exported_Defines
+ * @{
+ */
+#define MODE_SENSE6_LEN 0x04U
+#define MODE_SENSE10_LEN 0x08U
+#define LENGTH_INQUIRY_PAGE00 0x06U
+#define LENGTH_INQUIRY_PAGE80 0x08U
+#define LENGTH_FORMAT_CAPACITIES 0x14U
+#define DIAGNOSTIC_DATA_LEN 0x08U
+#define LOG_PAGE_DATA_LEN 0x10U
+
+/**
+ * @}
+ */
+
+
+/** @defgroup USBD_INFO_Exported_TypesDefinitions
+ * @{
+ */
+/**
+ * @}
+ */
+
+
+
+/** @defgroup USBD_INFO_Exported_Macros
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+/** @defgroup USBD_INFO_Exported_Variables
+ * @{
+ */
+extern uint8_t MSC_Page00_Inquiry_Data[LENGTH_INQUIRY_PAGE00];
+extern uint8_t MSC_Page80_Inquiry_Data[LENGTH_INQUIRY_PAGE80];
+extern uint8_t MSC_Mode_Sense6_data[MODE_SENSE6_LEN];
+extern uint8_t MSC_Mode_Sense10_data[MODE_SENSE10_LEN];
+extern uint8_t MSC_Diagnostic_Data[DIAGNOSTIC_DATA_LEN];
+extern uint8_t MSC_Log_Page_Data[LOG_PAGE_DATA_LEN];
+
+/**
+ * @}
+ */
+
+/** @defgroup USBD_INFO_Exported_FunctionsPrototype
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __USBD_MSC_DATA_H */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
diff --git a/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc_scsi.h b/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc_scsi.h
new file mode 100755
index 0000000..6000c2b
--- /dev/null
+++ b/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc_scsi.h
@@ -0,0 +1,183 @@
+/**
+ ******************************************************************************
+ * @file usbd_msc_scsi.h
+ * @author MCD Application Team
+ * @brief Header for the usbd_msc_scsi.c file
+ ******************************************************************************
+ * @attention
+ *
+ * Copyright (c) 2015 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.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __USBD_MSC_SCSI_H
+#define __USBD_MSC_SCSI_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "usbd_def.h"
+
+/** @addtogroup STM32_USB_DEVICE_LIBRARY
+ * @{
+ */
+
+/** @defgroup USBD_SCSI
+ * @brief header file for the storage disk file
+ * @{
+ */
+
+/** @defgroup USBD_SCSI_Exported_Defines
+ * @{
+ */
+
+#define SENSE_LIST_DEEPTH 4U
+
+/* SCSI Commands */
+#define SCSI_FORMAT_UNIT 0x04U
+#define SCSI_INQUIRY 0x12U
+#define SCSI_MODE_SELECT6 0x15U
+#define SCSI_MODE_SELECT10 0x55U
+#define SCSI_MODE_SENSE6 0x1AU
+#define SCSI_MODE_SENSE10 0x5AU
+#define SCSI_ALLOW_MEDIUM_REMOVAL 0x1EU
+#define SCSI_READ6 0x08U
+#define SCSI_READ10 0x28U
+#define SCSI_READ12 0xA8U
+#define SCSI_READ16 0x88U
+
+#define SCSI_READ_CAPACITY10 0x25U
+#define SCSI_READ_CAPACITY16 0x9EU
+
+#define SCSI_REQUEST_SENSE 0x03U
+#define SCSI_START_STOP_UNIT 0x1BU
+#define SCSI_TEST_UNIT_READY 0x00U
+#define SCSI_WRITE6 0x0AU
+#define SCSI_WRITE10 0x2AU
+#define SCSI_WRITE12 0xAAU
+#define SCSI_WRITE16 0x8AU
+
+#define SCSI_VERIFY10 0x2FU
+#define SCSI_VERIFY12 0xAFU
+#define SCSI_VERIFY16 0x8FU
+
+#define SCSI_READ_FORMAT_CAPACITIES 0x23U
+#define SCSI_RECEIVE_DIAGNOSTIC_RESULTS 0x1CU
+#define SCSI_SEND_DIAGNOSTIC 0x1DU
+#define SCSI_REPORT_LUNS 0xA0U
+
+#define NO_SENSE 0U
+#define RECOVERED_ERROR 1U
+#define NOT_READY 2U
+#define MEDIUM_ERROR 3U
+#define HARDWARE_ERROR 4U
+#define ILLEGAL_REQUEST 5U
+#define UNIT_ATTENTION 6U
+#define DATA_PROTECT 7U
+#define BLANK_CHECK 8U
+#define MSC_VENDOR_SPECIFIC 9U
+#define COPY_ABORTED 10U
+#define ABORTED_COMMAND 11U
+#define VOLUME_OVERFLOW 13U
+#define MISCOMPARE 14U
+
+#define INVALID_CDB 0x20U
+#define INVALID_FIELD_IN_COMMAND 0x24U
+#define PARAMETER_LIST_LENGTH_ERROR 0x1AU
+#define INVALID_FIELD_IN_PARAMETER_LIST 0x26U
+#define ADDRESS_OUT_OF_RANGE 0x21U
+#define MEDIUM_NOT_PRESENT 0x3AU
+#define MEDIUM_HAVE_CHANGED 0x28U
+#define WRITE_PROTECTED 0x27U
+#define UNRECOVERED_READ_ERROR 0x11U
+#define WRITE_FAULT 0x03U
+
+#define READ_FORMAT_CAPACITY_DATA_LEN 0x0CU
+#define READ_CAPACITY10_DATA_LEN 0x08U
+#define REQUEST_SENSE_DATA_LEN 0x12U
+#define STANDARD_INQUIRY_DATA_LEN 0x24U
+#define BLKVFY 0x04U
+
+#define SCSI_MEDIUM_UNLOCKED 0x00U
+#define SCSI_MEDIUM_LOCKED 0x01U
+#define SCSI_MEDIUM_EJECTED 0x02U
+/**
+ * @}
+ */
+
+
+/** @defgroup USBD_SCSI_Exported_TypesDefinitions
+ * @{
+ */
+
+typedef struct _SENSE_ITEM
+{
+ uint8_t Skey;
+ union
+ {
+ struct _ASCs
+ {
+ uint8_t ASC;
+ uint8_t ASCQ;
+ } b;
+ uint8_t ASC;
+ uint8_t *pData;
+ } w;
+} USBD_SCSI_SenseTypeDef;
+/**
+ * @}
+ */
+
+/** @defgroup USBD_SCSI_Exported_Macros
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+/** @defgroup USBD_SCSI_Exported_Variables
+ * @{
+ */
+
+/**
+ * @}
+ */
+/** @defgroup USBD_SCSI_Exported_FunctionsPrototype
+ * @{
+ */
+int8_t SCSI_ProcessCmd(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *cmd);
+
+void SCSI_SenseCode(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t sKey,
+ uint8_t ASC);
+
+/**
+ * @}
+ */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __USBD_MSC_SCSI_H */
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
diff --git a/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc.c b/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc.c
new file mode 100755
index 0000000..eafb8ba
--- /dev/null
+++ b/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc.c
@@ -0,0 +1,584 @@
+/**
+ ******************************************************************************
+ * @file usbd_msc.c
+ * @author MCD Application Team
+ * @brief This file provides all the MSC core functions.
+ *
+ ******************************************************************************
+ * @attention
+ *
+ * Copyright (c) 2015 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.
+ *
+ ******************************************************************************
+ * @verbatim
+ *
+ * ===================================================================
+ * MSC Class Description
+ * ===================================================================
+ * This module manages the MSC class V1.0 following the "Universal
+ * Serial Bus Mass Storage Class (MSC) Bulk-Only Transport (BOT) Version 1.0
+ * Sep. 31, 1999".
+ * This driver implements the following aspects of the specification:
+ * - Bulk-Only Transport protocol
+ * - Subclass : SCSI transparent command set (ref. SCSI Primary Commands - 3 (SPC-3))
+ *
+ * @endverbatim
+ *
+ ******************************************************************************
+ */
+
+/* BSPDependencies
+- "stm32xxxxx_{eval}{discovery}{nucleo_144}.c"
+- "stm32xxxxx_{eval}{discovery}_io.c"
+- "stm32xxxxx_{eval}{discovery}{adafruit}_sd.c"
+EndBSPDependencies */
+
+/* Includes ------------------------------------------------------------------*/
+#include "usbd_msc.h"
+
+
+/** @addtogroup STM32_USB_DEVICE_LIBRARY
+ * @{
+ */
+
+
+/** @defgroup MSC_CORE
+ * @brief Mass storage core module
+ * @{
+ */
+
+/** @defgroup MSC_CORE_Private_TypesDefinitions
+ * @{
+ */
+/**
+ * @}
+ */
+
+
+/** @defgroup MSC_CORE_Private_Defines
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+
+/** @defgroup MSC_CORE_Private_Macros
+ * @{
+ */
+/**
+ * @}
+ */
+
+
+/** @defgroup MSC_CORE_Private_FunctionPrototypes
+ * @{
+ */
+uint8_t USBD_MSC_Init(USBD_HandleTypeDef *pdev, uint8_t cfgidx);
+uint8_t USBD_MSC_DeInit(USBD_HandleTypeDef *pdev, uint8_t cfgidx);
+uint8_t USBD_MSC_Setup(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req);
+uint8_t USBD_MSC_DataIn(USBD_HandleTypeDef *pdev, uint8_t epnum);
+uint8_t USBD_MSC_DataOut(USBD_HandleTypeDef *pdev, uint8_t epnum);
+
+#ifndef USE_USBD_COMPOSITE
+uint8_t *USBD_MSC_GetHSCfgDesc(uint16_t *length);
+uint8_t *USBD_MSC_GetFSCfgDesc(uint16_t *length);
+uint8_t *USBD_MSC_GetOtherSpeedCfgDesc(uint16_t *length);
+uint8_t *USBD_MSC_GetDeviceQualifierDescriptor(uint16_t *length);
+#endif /* USE_USBD_COMPOSITE */
+/**
+ * @}
+ */
+
+
+/** @defgroup MSC_CORE_Private_Variables
+ * @{
+ */
+
+
+USBD_ClassTypeDef USBD_MSC =
+{
+ USBD_MSC_Init,
+ USBD_MSC_DeInit,
+ USBD_MSC_Setup,
+ NULL, /*EP0_TxSent*/
+ NULL, /*EP0_RxReady*/
+ USBD_MSC_DataIn,
+ USBD_MSC_DataOut,
+ NULL, /*SOF */
+ NULL,
+ NULL,
+#ifdef USE_USBD_COMPOSITE
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+#else
+ USBD_MSC_GetHSCfgDesc,
+ USBD_MSC_GetFSCfgDesc,
+ USBD_MSC_GetOtherSpeedCfgDesc,
+ USBD_MSC_GetDeviceQualifierDescriptor,
+#endif /* USE_USBD_COMPOSITE */
+#if (USBD_SUPPORT_USER_STRING_DESC == 1U)
+ NULL,
+#endif /* USBD_SUPPORT_USER_STRING_DESC */
+};
+
+/* USB Mass storage device Configuration Descriptor */
+#ifndef USE_USBD_COMPOSITE
+/* USB Mass storage device Configuration Descriptor */
+/* All Descriptors (Configuration, Interface, Endpoint, Class, Vendor */
+__ALIGN_BEGIN static uint8_t USBD_MSC_CfgDesc[USB_MSC_CONFIG_DESC_SIZ] __ALIGN_END =
+{
+ 0x09, /* bLength: Configuration Descriptor size */
+ USB_DESC_TYPE_CONFIGURATION, /* bDescriptorType: Configuration */
+ USB_MSC_CONFIG_DESC_SIZ,
+
+ 0x00,
+ 0x01, /* bNumInterfaces: 1 interface */
+ 0x01, /* bConfigurationValue */
+ 0x04, /* iConfiguration */
+#if (USBD_SELF_POWERED == 1U)
+ 0xC0, /* bmAttributes: Bus Powered according to user configuration */
+#else
+ 0x80, /* bmAttributes: Bus Powered according to user configuration */
+#endif /* USBD_SELF_POWERED */
+ USBD_MAX_POWER, /* MaxPower (mA) */
+
+ /******************** Mass Storage interface ********************/
+ 0x09, /* bLength: Interface Descriptor size */
+ 0x04, /* bDescriptorType: */
+ 0x00, /* bInterfaceNumber: Number of Interface */
+ 0x00, /* bAlternateSetting: Alternate setting */
+ 0x02, /* bNumEndpoints */
+ 0x08, /* bInterfaceClass: MSC Class */
+ 0x06, /* bInterfaceSubClass : SCSI transparent*/
+ 0x50, /* nInterfaceProtocol */
+ 0x05, /* iInterface: */
+ /******************** Mass Storage Endpoints ********************/
+ 0x07, /* Endpoint descriptor length = 7 */
+ 0x05, /* Endpoint descriptor type */
+ MSC_EPIN_ADDR, /* Endpoint address (IN, address 1) */
+ 0x02, /* Bulk endpoint type */
+ LOBYTE(MSC_MAX_FS_PACKET),
+ HIBYTE(MSC_MAX_FS_PACKET),
+ 0x00, /* Polling interval in milliseconds */
+
+ 0x07, /* Endpoint descriptor length = 7 */
+ 0x05, /* Endpoint descriptor type */
+ MSC_EPOUT_ADDR, /* Endpoint address (OUT, address 1) */
+ 0x02, /* Bulk endpoint type */
+ LOBYTE(MSC_MAX_FS_PACKET),
+ HIBYTE(MSC_MAX_FS_PACKET),
+ 0x00 /* Polling interval in milliseconds */
+};
+
+/* USB Standard Device Descriptor */
+__ALIGN_BEGIN static uint8_t USBD_MSC_DeviceQualifierDesc[USB_LEN_DEV_QUALIFIER_DESC] __ALIGN_END =
+{
+ USB_LEN_DEV_QUALIFIER_DESC,
+ USB_DESC_TYPE_DEVICE_QUALIFIER,
+ 0x00,
+ 0x02,
+ 0x00,
+ 0x00,
+ 0x00,
+ MSC_MAX_FS_PACKET,
+ 0x01,
+ 0x00,
+};
+#endif /* USE_USBD_COMPOSITE */
+
+uint8_t MSCInEpAdd = MSC_EPIN_ADDR;
+uint8_t MSCOutEpAdd = MSC_EPOUT_ADDR;
+
+/**
+ * @}
+ */
+
+
+/** @defgroup MSC_CORE_Private_Functions
+ * @{
+ */
+
+/**
+ * @brief USBD_MSC_Init
+ * Initialize the mass storage configuration
+ * @param pdev: device instance
+ * @param cfgidx: configuration index
+ * @retval status
+ */
+uint8_t USBD_MSC_Init(USBD_HandleTypeDef *pdev, uint8_t cfgidx)
+{
+ UNUSED(cfgidx);
+ USBD_MSC_BOT_HandleTypeDef *hmsc;
+
+ hmsc = (USBD_MSC_BOT_HandleTypeDef *)USBD_malloc(sizeof(USBD_MSC_BOT_HandleTypeDef));
+
+ if (hmsc == NULL)
+ {
+ pdev->pClassDataCmsit[pdev->classId] = NULL;
+ return (uint8_t)USBD_EMEM;
+ }
+
+ pdev->pClassDataCmsit[pdev->classId] = (void *)hmsc;
+ pdev->pClassData = pdev->pClassDataCmsit[pdev->classId];
+
+#ifdef USE_USBD_COMPOSITE
+ /* Get the Endpoints addresses allocated for this class instance */
+ MSCInEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_IN, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId);
+ MSCOutEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_OUT, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId);
+#endif /* USE_USBD_COMPOSITE */
+
+ if (pdev->dev_speed == USBD_SPEED_HIGH)
+ {
+ /* Open EP OUT */
+ (void)USBD_LL_OpenEP(pdev, MSCOutEpAdd, USBD_EP_TYPE_BULK, MSC_MAX_HS_PACKET);
+ pdev->ep_out[MSCOutEpAdd & 0xFU].is_used = 1U;
+
+ /* Open EP IN */
+ (void)USBD_LL_OpenEP(pdev, MSCInEpAdd, USBD_EP_TYPE_BULK, MSC_MAX_HS_PACKET);
+ pdev->ep_in[MSCInEpAdd & 0xFU].is_used = 1U;
+ }
+ else
+ {
+ /* Open EP OUT */
+ (void)USBD_LL_OpenEP(pdev, MSCOutEpAdd, USBD_EP_TYPE_BULK, MSC_MAX_FS_PACKET);
+ pdev->ep_out[MSCOutEpAdd & 0xFU].is_used = 1U;
+
+ /* Open EP IN */
+ (void)USBD_LL_OpenEP(pdev, MSCInEpAdd, USBD_EP_TYPE_BULK, MSC_MAX_FS_PACKET);
+ pdev->ep_in[MSCInEpAdd & 0xFU].is_used = 1U;
+ }
+
+ /* Init the BOT layer */
+ MSC_BOT_Init(pdev);
+
+ return (uint8_t)USBD_OK;
+}
+
+/**
+ * @brief USBD_MSC_DeInit
+ * DeInitialize the mass storage configuration
+ * @param pdev: device instance
+ * @param cfgidx: configuration index
+ * @retval status
+ */
+uint8_t USBD_MSC_DeInit(USBD_HandleTypeDef *pdev, uint8_t cfgidx)
+{
+ UNUSED(cfgidx);
+
+#ifdef USE_USBD_COMPOSITE
+ /* Get the Endpoints addresses allocated for this class instance */
+ MSCInEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_IN, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId);
+ MSCOutEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_OUT, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId);
+#endif /* USE_USBD_COMPOSITE */
+
+ /* Close MSC EPs */
+ (void)USBD_LL_CloseEP(pdev, MSCOutEpAdd);
+ pdev->ep_out[MSCOutEpAdd & 0xFU].is_used = 0U;
+
+ /* Close EP IN */
+ (void)USBD_LL_CloseEP(pdev, MSCInEpAdd);
+ pdev->ep_in[MSCInEpAdd & 0xFU].is_used = 0U;
+
+ /* Free MSC Class Resources */
+ if (pdev->pClassDataCmsit[pdev->classId] != NULL)
+ {
+ /* De-Init the BOT layer */
+ MSC_BOT_DeInit(pdev);
+
+ (void)USBD_free(pdev->pClassDataCmsit[pdev->classId]);
+ pdev->pClassDataCmsit[pdev->classId] = NULL;
+ pdev->pClassData = NULL;
+ }
+
+ return (uint8_t)USBD_OK;
+}
+/**
+ * @brief USBD_MSC_Setup
+ * Handle the MSC specific requests
+ * @param pdev: device instance
+ * @param req: USB request
+ * @retval status
+ */
+uint8_t USBD_MSC_Setup(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req)
+{
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId];
+ USBD_StatusTypeDef ret = USBD_OK;
+ uint32_t max_lun;
+ uint16_t status_info = 0U;
+
+#ifdef USE_USBD_COMPOSITE
+ /* Get the Endpoints addresses allocated for this class instance */
+ MSCInEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_IN, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId);
+ MSCOutEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_OUT, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId);
+#endif /* USE_USBD_COMPOSITE */
+
+ if (hmsc == NULL)
+ {
+ return (uint8_t)USBD_FAIL;
+ }
+
+ switch (req->bmRequest & USB_REQ_TYPE_MASK)
+ {
+ /* Class request */
+ case USB_REQ_TYPE_CLASS:
+ switch (req->bRequest)
+ {
+ case BOT_GET_MAX_LUN:
+ if ((req->wValue == 0U) && (req->wLength == 1U) &&
+ ((req->bmRequest & 0x80U) == 0x80U))
+ {
+ max_lun = (uint32_t)((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId])->GetMaxLun();
+ hmsc->max_lun = (max_lun > MSC_BOT_MAX_LUN) ? MSC_BOT_MAX_LUN : max_lun;
+ (void)USBD_CtlSendData(pdev, (uint8_t *)&hmsc->max_lun, 1U);
+ }
+ else
+ {
+ USBD_CtlError(pdev, req);
+ ret = USBD_FAIL;
+ }
+ break;
+
+ case BOT_RESET :
+ if ((req->wValue == 0U) && (req->wLength == 0U) &&
+ ((req->bmRequest & 0x80U) != 0x80U))
+ {
+ MSC_BOT_Reset(pdev);
+ }
+ else
+ {
+ USBD_CtlError(pdev, req);
+ ret = USBD_FAIL;
+ }
+ break;
+
+ default:
+ USBD_CtlError(pdev, req);
+ ret = USBD_FAIL;
+ break;
+ }
+ break;
+ /* Interface & Endpoint request */
+ case USB_REQ_TYPE_STANDARD:
+ switch (req->bRequest)
+ {
+ case USB_REQ_GET_STATUS:
+ if (pdev->dev_state == USBD_STATE_CONFIGURED)
+ {
+ (void)USBD_CtlSendData(pdev, (uint8_t *)&status_info, 2U);
+ }
+ else
+ {
+ USBD_CtlError(pdev, req);
+ ret = USBD_FAIL;
+ }
+ break;
+
+ case USB_REQ_GET_INTERFACE:
+ if (pdev->dev_state == USBD_STATE_CONFIGURED)
+ {
+ (void)USBD_CtlSendData(pdev, (uint8_t *)&hmsc->interface, 1U);
+ }
+ else
+ {
+ USBD_CtlError(pdev, req);
+ ret = USBD_FAIL;
+ }
+ break;
+
+ case USB_REQ_SET_INTERFACE:
+ if (pdev->dev_state == USBD_STATE_CONFIGURED)
+ {
+ hmsc->interface = (uint8_t)(req->wValue);
+ }
+ else
+ {
+ USBD_CtlError(pdev, req);
+ ret = USBD_FAIL;
+ }
+ break;
+
+ case USB_REQ_CLEAR_FEATURE:
+ if (pdev->dev_state == USBD_STATE_CONFIGURED)
+ {
+ if (req->wValue == USB_FEATURE_EP_HALT)
+ {
+ /* Flush the FIFO */
+ (void)USBD_LL_FlushEP(pdev, (uint8_t)req->wIndex);
+
+ /* Handle BOT error */
+ MSC_BOT_CplClrFeature(pdev, (uint8_t)req->wIndex);
+ }
+ }
+ break;
+
+ default:
+ USBD_CtlError(pdev, req);
+ ret = USBD_FAIL;
+ break;
+ }
+ break;
+
+ default:
+ USBD_CtlError(pdev, req);
+ ret = USBD_FAIL;
+ break;
+ }
+
+ return (uint8_t)ret;
+}
+
+/**
+ * @brief USBD_MSC_DataIn
+ * handle data IN Stage
+ * @param pdev: device instance
+ * @param epnum: endpoint index
+ * @retval status
+ */
+uint8_t USBD_MSC_DataIn(USBD_HandleTypeDef *pdev, uint8_t epnum)
+{
+ MSC_BOT_DataIn(pdev, epnum);
+
+ return (uint8_t)USBD_OK;
+}
+
+/**
+ * @brief USBD_MSC_DataOut
+ * handle data OUT Stage
+ * @param pdev: device instance
+ * @param epnum: endpoint index
+ * @retval status
+ */
+uint8_t USBD_MSC_DataOut(USBD_HandleTypeDef *pdev, uint8_t epnum)
+{
+ MSC_BOT_DataOut(pdev, epnum);
+
+ return (uint8_t)USBD_OK;
+}
+#ifndef USE_USBD_COMPOSITE
+/**
+ * @brief USBD_MSC_GetHSCfgDesc
+ * return configuration descriptor
+ * @param length : pointer data length
+ * @retval pointer to descriptor buffer
+ */
+uint8_t *USBD_MSC_GetHSCfgDesc(uint16_t *length)
+{
+ USBD_EpDescTypeDef *pEpInDesc = USBD_GetEpDesc(USBD_MSC_CfgDesc, MSC_EPIN_ADDR);
+ USBD_EpDescTypeDef *pEpOutDesc = USBD_GetEpDesc(USBD_MSC_CfgDesc, MSC_EPOUT_ADDR);
+
+ if (pEpInDesc != NULL)
+ {
+ pEpInDesc->wMaxPacketSize = MSC_MAX_HS_PACKET;
+ }
+
+ if (pEpOutDesc != NULL)
+ {
+ pEpOutDesc->wMaxPacketSize = MSC_MAX_HS_PACKET;
+ }
+
+ *length = (uint16_t)sizeof(USBD_MSC_CfgDesc);
+ return USBD_MSC_CfgDesc;
+}
+
+/**
+ * @brief USBD_MSC_GetFSCfgDesc
+ * return configuration descriptor
+ * @param length : pointer data length
+ * @retval pointer to descriptor buffer
+ */
+uint8_t *USBD_MSC_GetFSCfgDesc(uint16_t *length)
+{
+ USBD_EpDescTypeDef *pEpInDesc = USBD_GetEpDesc(USBD_MSC_CfgDesc, MSC_EPIN_ADDR);
+ USBD_EpDescTypeDef *pEpOutDesc = USBD_GetEpDesc(USBD_MSC_CfgDesc, MSC_EPOUT_ADDR);
+
+ if (pEpInDesc != NULL)
+ {
+ pEpInDesc->wMaxPacketSize = MSC_MAX_FS_PACKET;
+ }
+
+ if (pEpOutDesc != NULL)
+ {
+ pEpOutDesc->wMaxPacketSize = MSC_MAX_FS_PACKET;
+ }
+
+ *length = (uint16_t)sizeof(USBD_MSC_CfgDesc);
+ return USBD_MSC_CfgDesc;
+}
+
+/**
+ * @brief USBD_MSC_GetOtherSpeedCfgDesc
+ * return other speed configuration descriptor
+ * @param length : pointer data length
+ * @retval pointer to descriptor buffer
+ */
+uint8_t *USBD_MSC_GetOtherSpeedCfgDesc(uint16_t *length)
+{
+ USBD_EpDescTypeDef *pEpInDesc = USBD_GetEpDesc(USBD_MSC_CfgDesc, MSC_EPIN_ADDR);
+ USBD_EpDescTypeDef *pEpOutDesc = USBD_GetEpDesc(USBD_MSC_CfgDesc, MSC_EPOUT_ADDR);
+
+ if (pEpInDesc != NULL)
+ {
+ pEpInDesc->wMaxPacketSize = MSC_MAX_FS_PACKET;
+ }
+
+ if (pEpOutDesc != NULL)
+ {
+ pEpOutDesc->wMaxPacketSize = MSC_MAX_FS_PACKET;
+ }
+
+ *length = (uint16_t)sizeof(USBD_MSC_CfgDesc);
+ return USBD_MSC_CfgDesc;
+}
+/**
+ * @brief DeviceQualifierDescriptor
+ * return Device Qualifier descriptor
+ * @param length : pointer data length
+ * @retval pointer to descriptor buffer
+ */
+uint8_t *USBD_MSC_GetDeviceQualifierDescriptor(uint16_t *length)
+{
+ *length = (uint16_t)sizeof(USBD_MSC_DeviceQualifierDesc);
+
+ return USBD_MSC_DeviceQualifierDesc;
+}
+#endif /* USE_USBD_COMPOSITE */
+/**
+ * @brief USBD_MSC_RegisterStorage
+ * @param fops: storage callback
+ * @retval status
+ */
+uint8_t USBD_MSC_RegisterStorage(USBD_HandleTypeDef *pdev, USBD_StorageTypeDef *fops)
+{
+ if (fops == NULL)
+ {
+ return (uint8_t)USBD_FAIL;
+ }
+
+ pdev->pUserData[pdev->classId] = fops;
+
+ return (uint8_t)USBD_OK;
+}
+
+/**
+ * @}
+ */
+
+
+/**
+ * @}
+ */
+
+
+/**
+ * @}
+ */
+
diff --git a/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_bot.c b/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_bot.c
new file mode 100755
index 0000000..e1cb63c
--- /dev/null
+++ b/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_bot.c
@@ -0,0 +1,478 @@
+/**
+ ******************************************************************************
+ * @file usbd_msc_bot.c
+ * @author MCD Application Team
+ * @brief This file provides all the BOT protocol core functions.
+ ******************************************************************************
+ * @attention
+ *
+ * Copyright (c) 2015 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.
+ *
+ ******************************************************************************
+ */
+
+/* BSPDependencies
+- "stm32xxxxx_{eval}{discovery}{nucleo_144}.c"
+- "stm32xxxxx_{eval}{discovery}_io.c"
+- "stm32xxxxx_{eval}{discovery}{adafruit}_sd.c"
+EndBSPDependencies */
+
+/* Includes ------------------------------------------------------------------*/
+#include "usbd_msc_bot.h"
+#include "usbd_msc.h"
+#include "usbd_msc_scsi.h"
+#include "usbd_ioreq.h"
+
+/** @addtogroup STM32_USB_DEVICE_LIBRARY
+ * @{
+ */
+
+
+/** @defgroup MSC_BOT
+ * @brief BOT protocol module
+ * @{
+ */
+
+/** @defgroup MSC_BOT_Private_TypesDefinitions
+ * @{
+ */
+/**
+ * @}
+ */
+
+
+/** @defgroup MSC_BOT_Private_Defines
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+
+/** @defgroup MSC_BOT_Private_Macros
+ * @{
+ */
+/**
+ * @}
+ */
+
+
+/** @defgroup MSC_BOT_Private_Variables
+ * @{
+ */
+extern uint8_t MSCInEpAdd;
+extern uint8_t MSCOutEpAdd;
+/**
+ * @}
+ */
+
+
+/** @defgroup MSC_BOT_Private_FunctionPrototypes
+ * @{
+ */
+static void MSC_BOT_SendData(USBD_HandleTypeDef *pdev, uint8_t *pbuf, uint32_t len);
+static void MSC_BOT_CBW_Decode(USBD_HandleTypeDef *pdev);
+static void MSC_BOT_Abort(USBD_HandleTypeDef *pdev);
+/**
+ * @}
+ */
+
+
+/** @defgroup MSC_BOT_Private_Functions
+ * @{
+ */
+
+
+/**
+ * @brief MSC_BOT_Init
+ * Initialize the BOT Process
+ * @param pdev: device instance
+ * @retval None
+ */
+void MSC_BOT_Init(USBD_HandleTypeDef *pdev)
+{
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId];
+
+#ifdef USE_USBD_COMPOSITE
+ /* Get the Endpoints addresses allocated for this class instance */
+ MSCInEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_IN, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId);
+ MSCOutEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_OUT, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId);
+#endif /* USE_USBD_COMPOSITE */
+
+ if (hmsc == NULL)
+ {
+ return;
+ }
+
+ hmsc->bot_state = USBD_BOT_IDLE;
+ hmsc->bot_status = USBD_BOT_STATUS_NORMAL;
+
+ hmsc->scsi_sense_tail = 0U;
+ hmsc->scsi_sense_head = 0U;
+ hmsc->scsi_medium_state = SCSI_MEDIUM_UNLOCKED;
+
+ ((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId])->Init(0U);
+
+ (void)USBD_LL_FlushEP(pdev, MSCOutEpAdd);
+ (void)USBD_LL_FlushEP(pdev, MSCInEpAdd);
+
+ /* Prepare EP to Receive First BOT Cmd */
+ (void)USBD_LL_PrepareReceive(pdev, MSCOutEpAdd, (uint8_t *)&hmsc->cbw,
+ USBD_BOT_CBW_LENGTH);
+}
+
+/**
+ * @brief MSC_BOT_Reset
+ * Reset the BOT Machine
+ * @param pdev: device instance
+ * @retval None
+ */
+void MSC_BOT_Reset(USBD_HandleTypeDef *pdev)
+{
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId];
+
+#ifdef USE_USBD_COMPOSITE
+ /* Get the Endpoints addresses allocated for this class instance */
+ MSCInEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_IN, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId);
+ MSCOutEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_OUT, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId);
+#endif /* USE_USBD_COMPOSITE */
+
+ if (hmsc == NULL)
+ {
+ return;
+ }
+
+ hmsc->bot_state = USBD_BOT_IDLE;
+ hmsc->bot_status = USBD_BOT_STATUS_RECOVERY;
+
+ (void)USBD_LL_ClearStallEP(pdev, MSCInEpAdd);
+ (void)USBD_LL_ClearStallEP(pdev, MSCOutEpAdd);
+
+ /* Prepare EP to Receive First BOT Cmd */
+ (void)USBD_LL_PrepareReceive(pdev, MSCOutEpAdd, (uint8_t *)&hmsc->cbw,
+ USBD_BOT_CBW_LENGTH);
+}
+
+/**
+ * @brief MSC_BOT_DeInit
+ * DeInitialize the BOT Machine
+ * @param pdev: device instance
+ * @retval None
+ */
+void MSC_BOT_DeInit(USBD_HandleTypeDef *pdev)
+{
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId];
+
+ if (hmsc != NULL)
+ {
+ hmsc->bot_state = USBD_BOT_IDLE;
+ }
+}
+
+/**
+ * @brief MSC_BOT_DataIn
+ * Handle BOT IN data stage
+ * @param pdev: device instance
+ * @param epnum: endpoint index
+ * @retval None
+ */
+void MSC_BOT_DataIn(USBD_HandleTypeDef *pdev, uint8_t epnum)
+{
+ UNUSED(epnum);
+
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId];
+
+ if (hmsc == NULL)
+ {
+ return;
+ }
+
+ switch (hmsc->bot_state)
+ {
+ case USBD_BOT_DATA_IN:
+ if (SCSI_ProcessCmd(pdev, hmsc->cbw.bLUN, &hmsc->cbw.CB[0]) < 0)
+ {
+ MSC_BOT_SendCSW(pdev, USBD_CSW_CMD_FAILED);
+ }
+ break;
+
+ case USBD_BOT_SEND_DATA:
+ case USBD_BOT_LAST_DATA_IN:
+ MSC_BOT_SendCSW(pdev, USBD_CSW_CMD_PASSED);
+ break;
+
+ default:
+ break;
+ }
+}
+/**
+ * @brief MSC_BOT_DataOut
+ * Process MSC OUT data
+ * @param pdev: device instance
+ * @param epnum: endpoint index
+ * @retval None
+ */
+void MSC_BOT_DataOut(USBD_HandleTypeDef *pdev, uint8_t epnum)
+{
+ UNUSED(epnum);
+
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId];
+
+ if (hmsc == NULL)
+ {
+ return;
+ }
+
+ switch (hmsc->bot_state)
+ {
+ case USBD_BOT_IDLE:
+ MSC_BOT_CBW_Decode(pdev);
+ break;
+
+ case USBD_BOT_DATA_OUT:
+ if (SCSI_ProcessCmd(pdev, hmsc->cbw.bLUN, &hmsc->cbw.CB[0]) < 0)
+ {
+ MSC_BOT_SendCSW(pdev, USBD_CSW_CMD_FAILED);
+ }
+ break;
+
+ default:
+ break;
+ }
+}
+
+/**
+ * @brief MSC_BOT_CBW_Decode
+ * Decode the CBW command and set the BOT state machine accordingly
+ * @param pdev: device instance
+ * @retval None
+ */
+static void MSC_BOT_CBW_Decode(USBD_HandleTypeDef *pdev)
+{
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId];
+
+#ifdef USE_USBD_COMPOSITE
+ /* Get the Endpoints addresses allocated for this class instance */
+ MSCInEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_IN, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId);
+ MSCOutEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_OUT, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId);
+#endif /* USE_USBD_COMPOSITE */
+
+ if (hmsc == NULL)
+ {
+ return;
+ }
+
+ hmsc->csw.dTag = hmsc->cbw.dTag;
+ hmsc->csw.dDataResidue = hmsc->cbw.dDataLength;
+
+ if ((USBD_LL_GetRxDataSize(pdev, MSCOutEpAdd) != USBD_BOT_CBW_LENGTH) ||
+ (hmsc->cbw.dSignature != USBD_BOT_CBW_SIGNATURE) ||
+ (hmsc->cbw.bLUN > hmsc->max_lun) || (hmsc->cbw.bCBLength < 1U) ||
+ (hmsc->cbw.bCBLength > 16U))
+ {
+ SCSI_SenseCode(pdev, hmsc->cbw.bLUN, ILLEGAL_REQUEST, INVALID_CDB);
+
+ hmsc->bot_status = USBD_BOT_STATUS_ERROR;
+ MSC_BOT_Abort(pdev);
+ }
+ else
+ {
+ if (SCSI_ProcessCmd(pdev, hmsc->cbw.bLUN, &hmsc->cbw.CB[0]) < 0)
+ {
+ if (hmsc->bot_state == USBD_BOT_NO_DATA)
+ {
+ MSC_BOT_SendCSW(pdev, USBD_CSW_CMD_FAILED);
+ }
+ else
+ {
+ MSC_BOT_Abort(pdev);
+ }
+ }
+ /* Burst xfer handled internally */
+ else if ((hmsc->bot_state != USBD_BOT_DATA_IN) &&
+ (hmsc->bot_state != USBD_BOT_DATA_OUT) &&
+ (hmsc->bot_state != USBD_BOT_LAST_DATA_IN))
+ {
+ if (hmsc->bot_data_length > 0U)
+ {
+ MSC_BOT_SendData(pdev, hmsc->bot_data, hmsc->bot_data_length);
+ }
+ else if (hmsc->bot_data_length == 0U)
+ {
+ MSC_BOT_SendCSW(pdev, USBD_CSW_CMD_PASSED);
+ }
+ else
+ {
+ MSC_BOT_Abort(pdev);
+ }
+ }
+ else
+ {
+ return;
+ }
+ }
+}
+
+/**
+ * @brief MSC_BOT_SendData
+ * Send the requested data
+ * @param pdev: device instance
+ * @param buf: pointer to data buffer
+ * @param len: Data Length
+ * @retval None
+ */
+static void MSC_BOT_SendData(USBD_HandleTypeDef *pdev, uint8_t *pbuf, uint32_t len)
+{
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId];
+
+ uint32_t length;
+
+#ifdef USE_USBD_COMPOSITE
+ /* Get the Endpoints addresses allocated for this class instance */
+ MSCInEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_IN, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId);
+ MSCOutEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_OUT, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId);
+#endif /* USE_USBD_COMPOSITE */
+
+ if (hmsc == NULL)
+ {
+ return;
+ }
+
+ length = MIN(hmsc->cbw.dDataLength, len);
+
+ hmsc->csw.dDataResidue -= len;
+ hmsc->csw.bStatus = USBD_CSW_CMD_PASSED;
+ hmsc->bot_state = USBD_BOT_SEND_DATA;
+
+ (void)USBD_LL_Transmit(pdev, MSCInEpAdd, pbuf, length);
+}
+
+/**
+ * @brief MSC_BOT_SendCSW
+ * Send the Command Status Wrapper
+ * @param pdev: device instance
+ * @param status : CSW status
+ * @retval None
+ */
+void MSC_BOT_SendCSW(USBD_HandleTypeDef *pdev, uint8_t CSW_Status)
+{
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId];
+
+#ifdef USE_USBD_COMPOSITE
+ /* Get the Endpoints addresses allocated for this class instance */
+ MSCInEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_IN, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId);
+ MSCOutEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_OUT, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId);
+#endif /* USE_USBD_COMPOSITE */
+
+ if (hmsc == NULL)
+ {
+ return;
+ }
+
+ hmsc->csw.dSignature = USBD_BOT_CSW_SIGNATURE;
+ hmsc->csw.bStatus = CSW_Status;
+ hmsc->bot_state = USBD_BOT_IDLE;
+
+ (void)USBD_LL_Transmit(pdev, MSCInEpAdd, (uint8_t *)&hmsc->csw,
+ USBD_BOT_CSW_LENGTH);
+
+ /* Prepare EP to Receive next Cmd */
+ (void)USBD_LL_PrepareReceive(pdev, MSCOutEpAdd, (uint8_t *)&hmsc->cbw,
+ USBD_BOT_CBW_LENGTH);
+}
+
+/**
+ * @brief MSC_BOT_Abort
+ * Abort the current transfer
+ * @param pdev: device instance
+ * @retval status
+ */
+
+static void MSC_BOT_Abort(USBD_HandleTypeDef *pdev)
+{
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId];
+
+#ifdef USE_USBD_COMPOSITE
+ /* Get the Endpoints addresses allocated for this class instance */
+ MSCInEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_IN, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId);
+ MSCOutEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_OUT, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId);
+#endif /* USE_USBD_COMPOSITE */
+
+ if (hmsc == NULL)
+ {
+ return;
+ }
+
+ if ((hmsc->cbw.bmFlags == 0U) &&
+ (hmsc->cbw.dDataLength != 0U) &&
+ (hmsc->bot_status == USBD_BOT_STATUS_NORMAL))
+ {
+ (void)USBD_LL_StallEP(pdev, MSCOutEpAdd);
+ }
+
+ (void)USBD_LL_StallEP(pdev, MSCInEpAdd);
+
+ if (hmsc->bot_status == USBD_BOT_STATUS_ERROR)
+ {
+ (void)USBD_LL_StallEP(pdev, MSCInEpAdd);
+ (void)USBD_LL_StallEP(pdev, MSCOutEpAdd);
+ }
+}
+
+/**
+ * @brief MSC_BOT_CplClrFeature
+ * Complete the clear feature request
+ * @param pdev: device instance
+ * @param epnum: endpoint index
+ * @retval None
+ */
+
+void MSC_BOT_CplClrFeature(USBD_HandleTypeDef *pdev, uint8_t epnum)
+{
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId];
+
+#ifdef USE_USBD_COMPOSITE
+ /* Get the Endpoints addresses allocated for this class instance */
+ MSCInEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_IN, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId);
+ MSCOutEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_OUT, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId);
+#endif /* USE_USBD_COMPOSITE */
+
+ if (hmsc == NULL)
+ {
+ return;
+ }
+
+ if (hmsc->bot_status == USBD_BOT_STATUS_ERROR) /* Bad CBW Signature */
+ {
+ (void)USBD_LL_StallEP(pdev, MSCInEpAdd);
+ (void)USBD_LL_StallEP(pdev, MSCOutEpAdd);
+ }
+ else if (((epnum & 0x80U) == 0x80U) && (hmsc->bot_status != USBD_BOT_STATUS_RECOVERY))
+ {
+ MSC_BOT_SendCSW(pdev, USBD_CSW_CMD_FAILED);
+ }
+ else
+ {
+ return;
+ }
+}
+/**
+ * @}
+ */
+
+
+/**
+ * @}
+ */
+
+
+/**
+ * @}
+ */
+
diff --git a/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_data.c b/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_data.c
new file mode 100755
index 0000000..333a87a
--- /dev/null
+++ b/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_data.c
@@ -0,0 +1,164 @@
+/**
+ ******************************************************************************
+ * @file usbd_msc_data.c
+ * @author MCD Application Team
+ * @brief This file provides all the vital inquiry pages and sense data.
+ ******************************************************************************
+ * @attention
+ *
+ * Copyright (c) 2015 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.
+ *
+ ******************************************************************************
+ */
+
+/* BSPDependencies
+- "stm32xxxxx_{eval}{discovery}{nucleo_144}.c"
+- "stm32xxxxx_{eval}{discovery}_io.c"
+- "stm32xxxxx_{eval}{discovery}{adafruit}_sd.c"
+EndBSPDependencies */
+
+/* Includes ------------------------------------------------------------------*/
+#include "usbd_msc_data.h"
+
+
+/** @addtogroup STM32_USB_DEVICE_LIBRARY
+ * @{
+ */
+
+
+/** @defgroup MSC_DATA
+ * @brief Mass storage info/data module
+ * @{
+ */
+
+/** @defgroup MSC_DATA_Private_TypesDefinitions
+ * @{
+ */
+/**
+ * @}
+ */
+
+
+/** @defgroup MSC_DATA_Private_Defines
+ * @{
+ */
+/**
+ * @}
+ */
+
+
+/** @defgroup MSC_DATA_Private_Macros
+ * @{
+ */
+/**
+ * @}
+ */
+
+
+/** @defgroup MSC_DATA_Private_Variables
+ * @{
+ */
+
+/* USB Mass storage Page 0 Inquiry Data */
+uint8_t MSC_Page00_Inquiry_Data[LENGTH_INQUIRY_PAGE00] =
+{
+ 0x00,
+ 0x00,
+ 0x00,
+ (LENGTH_INQUIRY_PAGE00 - 4U),
+ 0x00,
+ 0x80
+};
+
+/* USB Mass storage VPD Page 0x80 Inquiry Data for Unit Serial Number */
+uint8_t MSC_Page80_Inquiry_Data[LENGTH_INQUIRY_PAGE80] =
+{
+ 0x00,
+ 0x80,
+ 0x00,
+ LENGTH_INQUIRY_PAGE80,
+ 0x20, /* Put Product Serial number */
+ 0x20,
+ 0x20,
+ 0x20
+};
+
+/* USB Mass storage sense 6 Data */
+uint8_t MSC_Mode_Sense6_data[MODE_SENSE6_LEN] =
+{
+ 0x03, /* MODE DATA LENGTH. The number of bytes that follow. */
+ 0x00, /* MEDIUM TYPE. 00h for SBC devices. */
+ 0x00, /* DEVICE-SPECIFIC PARAMETER. For SBC devices:
+ * bit 7: WP. Set to 1 if the media is write-protected.
+ * bits 6..5: reserved
+ * bit 4: DPOFUA. Set to 1 if the device supports the DPO and FUA bits
+ * bits 3..0: reserved */
+ 0x00 /* BLOCK DESCRIPTOR LENGTH */
+};
+
+
+/* USB Mass storage sense 10 Data */
+uint8_t MSC_Mode_Sense10_data[MODE_SENSE10_LEN] =
+{
+ 0x00, /* MODE DATA LENGTH MSB. */
+ 0x06, /* MODE DATA LENGTH LSB. The number of bytes that follow. */
+ 0x00, /* MEDIUM TYPE. 00h for SBC devices. */
+ 0x00, /* DEVICE-SPECIFIC PARAMETER. For SBC devices:
+ * bit 7: WP. Set to 1 if the media is write-protected.
+ * bits 6..5: reserved
+ * bit 4: DPOFUA. Set to 1 if the device supports the DPO and FUA bits
+ * bits 3..0: reserved */
+ 0x00, /* LONGLBA Set to zero */
+ 0x00, /* Reserved */
+ 0x00, /* BLOCK DESCRIPTOR LENGTH MSB. */
+ 0x00 /* BLOCK DESCRIPTOR LENGTH LSB. */
+};
+
+uint8_t MSC_Diagnostic_Data[DIAGNOSTIC_DATA_LEN] =
+{
+ 0x00, /* Byte 0: ADDITIONAL LENGTH (MSB) */
+ 0x00, /* Byte 1: ADDITIONAL LENGTH (LSB) */
+ 0x00, /* Byte 2: FRU CODE (most probable) */
+ 0x00, /* Byte 3: FRU CODE */
+ 0x00, /* Byte 4: FRU CODE */
+ 0x00, /* Byte 5: FRU CODE (least probable) */
+ 0x00, /* Byte 6: ERROR CODE (MSB) */
+ 0x00, /* Byte 7: ERROR CODE (LSB) */
+};
+
+/**
+ * @}
+ */
+
+
+/** @defgroup MSC_DATA_Private_FunctionPrototypes
+ * @{
+ */
+/**
+ * @}
+ */
+
+
+/** @defgroup MSC_DATA_Private_Functions
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+
+/**
+ * @}
+ */
+
+
+/**
+ * @}
+ */
+
diff --git a/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_scsi.c b/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_scsi.c
new file mode 100755
index 0000000..25f9423
--- /dev/null
+++ b/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_scsi.c
@@ -0,0 +1,1323 @@
+/**
+ ******************************************************************************
+ * @file usbd_msc_scsi.c
+ * @author MCD Application Team
+ * @brief This file provides all the USBD SCSI layer functions.
+ ******************************************************************************
+ * @attention
+ *
+ * Copyright (c) 2015 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.
+ *
+ ******************************************************************************
+ */
+
+/* BSPDependencies
+- "stm32xxxxx_{eval}{discovery}{nucleo_144}.c"
+- "stm32xxxxx_{eval}{discovery}_io.c"
+- "stm32xxxxx_{eval}{discovery}{adafruit}_sd.c"
+EndBSPDependencies */
+
+/* Includes ------------------------------------------------------------------*/
+#include "usbd_msc_bot.h"
+#include "usbd_msc_scsi.h"
+#include "usbd_msc.h"
+#include "usbd_msc_data.h"
+
+
+/** @addtogroup STM32_USB_DEVICE_LIBRARY
+ * @{
+ */
+
+
+/** @defgroup MSC_SCSI
+ * @brief Mass storage SCSI layer module
+ * @{
+ */
+
+/** @defgroup MSC_SCSI_Private_TypesDefinitions
+ * @{
+ */
+/**
+ * @}
+ */
+
+
+/** @defgroup MSC_SCSI_Private_Defines
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+
+/** @defgroup MSC_SCSI_Private_Macros
+ * @{
+ */
+/**
+ * @}
+ */
+
+
+/** @defgroup MSC_SCSI_Private_Variables
+ * @{
+ */
+extern uint8_t MSCInEpAdd;
+extern uint8_t MSCOutEpAdd;
+/**
+ * @}
+ */
+
+
+/** @defgroup MSC_SCSI_Private_FunctionPrototypes
+ * @{
+ */
+static int8_t SCSI_TestUnitReady(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params);
+static int8_t SCSI_Inquiry(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params);
+static int8_t SCSI_ReadFormatCapacity(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params);
+static int8_t SCSI_ReadCapacity10(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params);
+static int8_t SCSI_ReadCapacity16(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params);
+static int8_t SCSI_RequestSense(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params);
+static int8_t SCSI_StartStopUnit(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params);
+static int8_t SCSI_AllowPreventRemovable(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params);
+static int8_t SCSI_ModeSense6(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params);
+static int8_t SCSI_ModeSense10(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params);
+static int8_t SCSI_Write10(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params);
+static int8_t SCSI_Write12(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params);
+static int8_t SCSI_Read10(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params);
+static int8_t SCSI_Read12(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params);
+static int8_t SCSI_Verify10(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params);
+static int8_t SCSI_ReportLuns(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params);
+static int8_t SCSI_ReceiveDiagnosticResults(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params);
+static int8_t SCSI_CheckAddressRange(USBD_HandleTypeDef *pdev, uint8_t lun,
+ uint32_t blk_offset, uint32_t blk_nbr);
+
+static int8_t SCSI_ProcessRead(USBD_HandleTypeDef *pdev, uint8_t lun);
+static int8_t SCSI_ProcessWrite(USBD_HandleTypeDef *pdev, uint8_t lun);
+
+static int8_t SCSI_UpdateBotData(USBD_MSC_BOT_HandleTypeDef *hmsc,
+ uint8_t *pBuff, uint16_t length);
+/**
+ * @}
+ */
+
+
+/** @defgroup MSC_SCSI_Private_Functions
+ * @{
+ */
+
+
+/**
+ * @brief SCSI_ProcessCmd
+ * Process SCSI commands
+ * @param pdev: device instance
+ * @param lun: Logical unit number
+ * @param params: Command parameters
+ * @retval status
+ */
+int8_t SCSI_ProcessCmd(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *cmd)
+{
+ int8_t ret;
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId];
+
+ if (hmsc == NULL)
+ {
+ return -1;
+ }
+
+ switch (cmd[0])
+ {
+ case SCSI_TEST_UNIT_READY:
+ ret = SCSI_TestUnitReady(pdev, lun, cmd);
+ break;
+
+ case SCSI_REQUEST_SENSE:
+ ret = SCSI_RequestSense(pdev, lun, cmd);
+ break;
+
+ case SCSI_INQUIRY:
+ ret = SCSI_Inquiry(pdev, lun, cmd);
+ break;
+
+ case SCSI_START_STOP_UNIT:
+ ret = SCSI_StartStopUnit(pdev, lun, cmd);
+ break;
+
+ case SCSI_ALLOW_MEDIUM_REMOVAL:
+ ret = SCSI_AllowPreventRemovable(pdev, lun, cmd);
+ break;
+
+ case SCSI_MODE_SENSE6:
+ ret = SCSI_ModeSense6(pdev, lun, cmd);
+ break;
+
+ case SCSI_MODE_SENSE10:
+ ret = SCSI_ModeSense10(pdev, lun, cmd);
+ break;
+
+ case SCSI_READ_FORMAT_CAPACITIES:
+ ret = SCSI_ReadFormatCapacity(pdev, lun, cmd);
+ break;
+
+ case SCSI_READ_CAPACITY10:
+ ret = SCSI_ReadCapacity10(pdev, lun, cmd);
+ break;
+
+ case SCSI_READ_CAPACITY16:
+ ret = SCSI_ReadCapacity16(pdev, lun, cmd);
+ break;
+
+ case SCSI_READ10:
+ ret = SCSI_Read10(pdev, lun, cmd);
+ break;
+
+ case SCSI_READ12:
+ ret = SCSI_Read12(pdev, lun, cmd);
+ break;
+
+ case SCSI_WRITE10:
+ ret = SCSI_Write10(pdev, lun, cmd);
+ break;
+
+ case SCSI_WRITE12:
+ ret = SCSI_Write12(pdev, lun, cmd);
+ break;
+
+ case SCSI_VERIFY10:
+ ret = SCSI_Verify10(pdev, lun, cmd);
+ break;
+
+ case SCSI_REPORT_LUNS:
+ ret = SCSI_ReportLuns(pdev, lun, cmd);
+ break;
+
+ case SCSI_RECEIVE_DIAGNOSTIC_RESULTS:
+ ret = SCSI_ReceiveDiagnosticResults(pdev, lun, cmd);
+ break;
+
+ default:
+ SCSI_SenseCode(pdev, lun, ILLEGAL_REQUEST, INVALID_CDB);
+ ret = -1;
+ break;
+ }
+
+ return ret;
+}
+
+
+/**
+ * @brief SCSI_TestUnitReady
+ * Process SCSI Test Unit Ready Command
+ * @param lun: Logical unit number
+ * @param params: Command parameters
+ * @retval status
+ */
+static int8_t SCSI_TestUnitReady(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params)
+{
+ UNUSED(params);
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId];
+
+ if (hmsc == NULL)
+ {
+ return -1;
+ }
+
+ /* case 9 : Hi > D0 */
+ if (hmsc->cbw.dDataLength != 0U)
+ {
+ SCSI_SenseCode(pdev, hmsc->cbw.bLUN, ILLEGAL_REQUEST, INVALID_CDB);
+
+ return -1;
+ }
+
+ if (hmsc->scsi_medium_state == SCSI_MEDIUM_EJECTED)
+ {
+ SCSI_SenseCode(pdev, lun, NOT_READY, MEDIUM_NOT_PRESENT);
+ hmsc->bot_state = USBD_BOT_NO_DATA;
+ return -1;
+ }
+
+ if (((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId])->IsReady(lun) != 0)
+ {
+ SCSI_SenseCode(pdev, lun, NOT_READY, MEDIUM_NOT_PRESENT);
+ hmsc->bot_state = USBD_BOT_NO_DATA;
+
+ return -1;
+ }
+ hmsc->bot_data_length = 0U;
+
+ return 0;
+}
+
+
+/**
+ * @brief SCSI_Inquiry
+ * Process Inquiry command
+ * @param lun: Logical unit number
+ * @param params: Command parameters
+ * @retval status
+ */
+static int8_t SCSI_Inquiry(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params)
+{
+ uint8_t *pPage;
+ uint16_t len;
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId];
+
+ if (hmsc == NULL)
+ {
+ return -1;
+ }
+
+ if (hmsc->cbw.dDataLength == 0U)
+ {
+ SCSI_SenseCode(pdev, hmsc->cbw.bLUN, ILLEGAL_REQUEST, INVALID_CDB);
+ return -1;
+ }
+
+ if ((params[1] & 0x01U) != 0U) /* Evpd is set */
+ {
+ if (params[2] == 0U) /* Request for Supported Vital Product Data Pages*/
+ {
+ (void)SCSI_UpdateBotData(hmsc, MSC_Page00_Inquiry_Data, LENGTH_INQUIRY_PAGE00);
+ }
+ else if (params[2] == 0x80U) /* Request for VPD page 0x80 Unit Serial Number */
+ {
+ (void)SCSI_UpdateBotData(hmsc, MSC_Page80_Inquiry_Data, LENGTH_INQUIRY_PAGE80);
+ }
+ else /* Request Not supported */
+ {
+ SCSI_SenseCode(pdev, hmsc->cbw.bLUN, ILLEGAL_REQUEST,
+ INVALID_FIELD_IN_COMMAND);
+
+ return -1;
+ }
+ }
+ else
+ {
+
+ pPage = (uint8_t *) & ((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId]) \
+ ->pInquiry[lun * STANDARD_INQUIRY_DATA_LEN];
+ len = (uint16_t)pPage[4] + 5U;
+
+ if (params[4] <= len)
+ {
+ len = params[4];
+ }
+
+ (void)SCSI_UpdateBotData(hmsc, pPage, len);
+ }
+
+ return 0;
+}
+
+
+/**
+ * @brief SCSI_ReadCapacity10
+ * Process Read Capacity 10 command
+ * @param lun: Logical unit number
+ * @param params: Command parameters
+ * @retval status
+ */
+static int8_t SCSI_ReadCapacity10(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params)
+{
+ UNUSED(params);
+ int8_t ret;
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId];
+ USBD_MSC_BOT_LUN_TypeDef *p_scsi_blk = &hmsc->scsi_blk[lun];
+
+ if (hmsc == NULL)
+ {
+ return -1;
+ }
+
+ ret = ((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId])->GetCapacity(lun, &p_scsi_blk->nbr,
+ &p_scsi_blk->size);
+
+ if ((ret != 0) || (hmsc->scsi_medium_state == SCSI_MEDIUM_EJECTED))
+ {
+ SCSI_SenseCode(pdev, lun, NOT_READY, MEDIUM_NOT_PRESENT);
+ return -1;
+ }
+
+ hmsc->bot_data[0] = (uint8_t)((p_scsi_blk->nbr - 1U) >> 24);
+ hmsc->bot_data[1] = (uint8_t)((p_scsi_blk->nbr - 1U) >> 16);
+ hmsc->bot_data[2] = (uint8_t)((p_scsi_blk->nbr - 1U) >> 8);
+ hmsc->bot_data[3] = (uint8_t)(p_scsi_blk->nbr - 1U);
+
+ hmsc->bot_data[4] = (uint8_t)(p_scsi_blk->size >> 24);
+ hmsc->bot_data[5] = (uint8_t)(p_scsi_blk->size >> 16);
+ hmsc->bot_data[6] = (uint8_t)(p_scsi_blk->size >> 8);
+ hmsc->bot_data[7] = (uint8_t)(p_scsi_blk->size);
+
+ hmsc->bot_data_length = 8U;
+
+ return 0;
+}
+
+
+/**
+ * @brief SCSI_ReadCapacity16
+ * Process Read Capacity 16 command
+ * @param lun: Logical unit number
+ * @param params: Command parameters
+ * @retval status
+ */
+static int8_t SCSI_ReadCapacity16(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params)
+{
+ UNUSED(params);
+ uint32_t idx;
+ int8_t ret;
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId];
+ USBD_MSC_BOT_LUN_TypeDef *p_scsi_blk = &hmsc->scsi_blk[lun];
+
+ if (hmsc == NULL)
+ {
+ return -1;
+ }
+
+ ret = ((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId])->GetCapacity(lun, &p_scsi_blk->nbr,
+ &p_scsi_blk->size);
+
+ if ((ret != 0) || (hmsc->scsi_medium_state == SCSI_MEDIUM_EJECTED))
+ {
+ SCSI_SenseCode(pdev, lun, NOT_READY, MEDIUM_NOT_PRESENT);
+ return -1;
+ }
+
+ hmsc->bot_data_length = ((uint32_t)params[10] << 24) |
+ ((uint32_t)params[11] << 16) |
+ ((uint32_t)params[12] << 8) |
+ (uint32_t)params[13];
+
+ for (idx = 0U; idx < hmsc->bot_data_length; idx++)
+ {
+ hmsc->bot_data[idx] = 0U;
+ }
+
+ hmsc->bot_data[4] = (uint8_t)((p_scsi_blk->nbr - 1U) >> 24);
+ hmsc->bot_data[5] = (uint8_t)((p_scsi_blk->nbr - 1U) >> 16);
+ hmsc->bot_data[6] = (uint8_t)((p_scsi_blk->nbr - 1U) >> 8);
+ hmsc->bot_data[7] = (uint8_t)(p_scsi_blk->nbr - 1U);
+
+ hmsc->bot_data[8] = (uint8_t)(p_scsi_blk->size >> 24);
+ hmsc->bot_data[9] = (uint8_t)(p_scsi_blk->size >> 16);
+ hmsc->bot_data[10] = (uint8_t)(p_scsi_blk->size >> 8);
+ hmsc->bot_data[11] = (uint8_t)(p_scsi_blk->size);
+
+ hmsc->bot_data_length = ((uint32_t)params[10] << 24) |
+ ((uint32_t)params[11] << 16) |
+ ((uint32_t)params[12] << 8) |
+ (uint32_t)params[13];
+
+ return 0;
+}
+
+
+/**
+ * @brief SCSI_ReadFormatCapacity
+ * Process Read Format Capacity command
+ * @param lun: Logical unit number
+ * @param params: Command parameters
+ * @retval status
+ */
+static int8_t SCSI_ReadFormatCapacity(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params)
+{
+ UNUSED(params);
+ uint16_t blk_size;
+ uint32_t blk_nbr;
+ uint16_t i;
+ int8_t ret;
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId];
+
+ if (hmsc == NULL)
+ {
+ return -1;
+ }
+
+ ret = ((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId])->GetCapacity(lun, &blk_nbr, &blk_size);
+
+ if ((ret != 0) || (hmsc->scsi_medium_state == SCSI_MEDIUM_EJECTED))
+ {
+ SCSI_SenseCode(pdev, lun, NOT_READY, MEDIUM_NOT_PRESENT);
+ return -1;
+ }
+
+ for (i = 0U; i < 12U ; i++)
+ {
+ hmsc->bot_data[i] = 0U;
+ }
+
+ hmsc->bot_data[3] = 0x08U;
+ hmsc->bot_data[4] = (uint8_t)((blk_nbr - 1U) >> 24);
+ hmsc->bot_data[5] = (uint8_t)((blk_nbr - 1U) >> 16);
+ hmsc->bot_data[6] = (uint8_t)((blk_nbr - 1U) >> 8);
+ hmsc->bot_data[7] = (uint8_t)(blk_nbr - 1U);
+
+ hmsc->bot_data[8] = 0x02U;
+ hmsc->bot_data[9] = (uint8_t)(blk_size >> 16);
+ hmsc->bot_data[10] = (uint8_t)(blk_size >> 8);
+ hmsc->bot_data[11] = (uint8_t)(blk_size);
+
+ hmsc->bot_data_length = 12U;
+
+ return 0;
+}
+
+
+/**
+ * @brief SCSI_ModeSense6
+ * Process Mode Sense6 command
+ * @param lun: Logical unit number
+ * @param params: Command parameters
+ * @retval status
+ */
+static int8_t SCSI_ModeSense6(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params)
+{
+ UNUSED(lun);
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId];
+ uint16_t len = MODE_SENSE6_LEN;
+
+ if (hmsc == NULL)
+ {
+ return -1;
+ }
+
+ /* Check If media is write-protected */
+ if (((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId])->IsWriteProtected(lun) != 0)
+ {
+ MSC_Mode_Sense6_data[2] |= (0x1U << 7); /* Set the WP (write protection) bit */
+ }
+ else
+ {
+ MSC_Mode_Sense10_data[2] &= ~(0x1U << 7); /* Clear the WP (write protection) bit */
+ }
+
+ if (params[4] <= len)
+ {
+ len = params[4];
+ }
+
+ (void)SCSI_UpdateBotData(hmsc, MSC_Mode_Sense6_data, len);
+
+ return 0;
+}
+
+
+/**
+ * @brief SCSI_ModeSense10
+ * Process Mode Sense10 command
+ * @param lun: Logical unit number
+ * @param params: Command parameters
+ * @retval status
+ */
+static int8_t SCSI_ModeSense10(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params)
+{
+ UNUSED(lun);
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId];
+ uint16_t len = MODE_SENSE10_LEN;
+
+ if (hmsc == NULL)
+ {
+ return -1;
+ }
+
+ /* Check If media is write-protected */
+ if (((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId])->IsWriteProtected(lun) != 0)
+ {
+ MSC_Mode_Sense10_data[3] |= (0x1U << 7); /* Set the WP (write protection) bit */
+ }
+ else
+ {
+ MSC_Mode_Sense10_data[3] &= ~(0x1U << 7); /* Clear the WP (write protection) bit */
+ }
+
+ if (params[8] <= len)
+ {
+ len = params[8];
+ }
+
+ (void)SCSI_UpdateBotData(hmsc, MSC_Mode_Sense10_data, len);
+
+ return 0;
+}
+
+
+/**
+ * @brief SCSI_RequestSense
+ * Process Request Sense command
+ * @param lun: Logical unit number
+ * @param params: Command parameters
+ * @retval status
+ */
+static int8_t SCSI_RequestSense(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params)
+{
+ UNUSED(lun);
+ uint8_t i;
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId];
+
+ if (hmsc == NULL)
+ {
+ return -1;
+ }
+
+ if (hmsc->cbw.dDataLength == 0U)
+ {
+ SCSI_SenseCode(pdev, hmsc->cbw.bLUN, ILLEGAL_REQUEST, INVALID_CDB);
+ return -1;
+ }
+
+ for (i = 0U; i < REQUEST_SENSE_DATA_LEN; i++)
+ {
+ hmsc->bot_data[i] = 0U;
+ }
+
+ hmsc->bot_data[0] = 0x70U;
+ hmsc->bot_data[7] = REQUEST_SENSE_DATA_LEN - 6U;
+
+ if ((hmsc->scsi_sense_head != hmsc->scsi_sense_tail))
+ {
+ hmsc->bot_data[2] = (uint8_t)hmsc->scsi_sense[hmsc->scsi_sense_head].Skey;
+ hmsc->bot_data[12] = (uint8_t)hmsc->scsi_sense[hmsc->scsi_sense_head].w.b.ASC;
+ hmsc->bot_data[13] = (uint8_t)hmsc->scsi_sense[hmsc->scsi_sense_head].w.b.ASCQ;
+ hmsc->scsi_sense_head++;
+
+ if (hmsc->scsi_sense_head == SENSE_LIST_DEEPTH)
+ {
+ hmsc->scsi_sense_head = 0U;
+ }
+ }
+
+ hmsc->bot_data_length = REQUEST_SENSE_DATA_LEN;
+
+ if (params[4] <= REQUEST_SENSE_DATA_LEN)
+ {
+ hmsc->bot_data_length = params[4];
+ }
+
+ return 0;
+}
+
+
+/**
+ * @brief SCSI_SenseCode
+ * Load the last error code in the error list
+ * @param lun: Logical unit number
+ * @param sKey: Sense Key
+ * @param ASC: Additional Sense Code
+ * @retval none
+
+ */
+void SCSI_SenseCode(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t sKey, uint8_t ASC)
+{
+ UNUSED(lun);
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId];
+
+ if (hmsc == NULL)
+ {
+ return;
+ }
+
+ hmsc->scsi_sense[hmsc->scsi_sense_tail].Skey = sKey;
+ hmsc->scsi_sense[hmsc->scsi_sense_tail].w.b.ASC = ASC;
+ hmsc->scsi_sense[hmsc->scsi_sense_tail].w.b.ASCQ = 0U;
+ hmsc->scsi_sense_tail++;
+
+ if (hmsc->scsi_sense_tail == SENSE_LIST_DEEPTH)
+ {
+ hmsc->scsi_sense_tail = 0U;
+ }
+}
+
+
+/**
+ * @brief SCSI_StartStopUnit
+ * Process Start Stop Unit command
+ * @param lun: Logical unit number
+ * @param params: Command parameters
+ * @retval status
+ */
+static int8_t SCSI_StartStopUnit(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params)
+{
+ UNUSED(lun);
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId];
+
+ if (hmsc == NULL)
+ {
+ return -1;
+ }
+
+ if ((hmsc->scsi_medium_state == SCSI_MEDIUM_LOCKED) && ((params[4] & 0x3U) == 2U))
+ {
+ SCSI_SenseCode(pdev, lun, ILLEGAL_REQUEST, INVALID_FIELD_IN_COMMAND);
+
+ return -1;
+ }
+
+ if ((params[4] & 0x3U) == 0x1U) /* START=1 */
+ {
+ hmsc->scsi_medium_state = SCSI_MEDIUM_UNLOCKED;
+ }
+ else if ((params[4] & 0x3U) == 0x2U) /* START=0 and LOEJ Load Eject=1 */
+ {
+ hmsc->scsi_medium_state = SCSI_MEDIUM_EJECTED;
+ }
+ else if ((params[4] & 0x3U) == 0x3U) /* START=1 and LOEJ Load Eject=1 */
+ {
+ hmsc->scsi_medium_state = SCSI_MEDIUM_UNLOCKED;
+ }
+ else
+ {
+ /* .. */
+ }
+ hmsc->bot_data_length = 0U;
+
+ return 0;
+}
+
+
+/**
+ * @brief SCSI_AllowPreventRemovable
+ * Process Allow Prevent Removable medium command
+ * @param lun: Logical unit number
+ * @param params: Command parameters
+ * @retval status
+ */
+static int8_t SCSI_AllowPreventRemovable(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params)
+{
+ UNUSED(lun);
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId];
+
+ if (hmsc == NULL)
+ {
+ return -1;
+ }
+
+ if (params[4] == 0U)
+ {
+ hmsc->scsi_medium_state = SCSI_MEDIUM_UNLOCKED;
+ }
+ else
+ {
+ hmsc->scsi_medium_state = SCSI_MEDIUM_LOCKED;
+ }
+
+ hmsc->bot_data_length = 0U;
+
+ return 0;
+}
+
+
+/**
+ * @brief SCSI_Read10
+ * Process Read10 command
+ * @param lun: Logical unit number
+ * @param params: Command parameters
+ * @retval status
+ */
+static int8_t SCSI_Read10(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params)
+{
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId];
+ USBD_MSC_BOT_LUN_TypeDef *p_scsi_blk = &hmsc->scsi_blk[lun];
+
+ if (hmsc == NULL)
+ {
+ return -1;
+ }
+
+ if (hmsc->bot_state == USBD_BOT_IDLE) /* Idle */
+ {
+ /* case 10 : Ho <> Di */
+ if ((hmsc->cbw.bmFlags & 0x80U) != 0x80U)
+ {
+ SCSI_SenseCode(pdev, hmsc->cbw.bLUN, ILLEGAL_REQUEST, INVALID_CDB);
+ return -1;
+ }
+
+ if (hmsc->scsi_medium_state == SCSI_MEDIUM_EJECTED)
+ {
+ SCSI_SenseCode(pdev, lun, NOT_READY, MEDIUM_NOT_PRESENT);
+
+ return -1;
+ }
+
+ if (((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId])->IsReady(lun) != 0)
+ {
+ SCSI_SenseCode(pdev, lun, NOT_READY, MEDIUM_NOT_PRESENT);
+ return -1;
+ }
+
+ p_scsi_blk->addr = ((uint32_t)params[2] << 24) |
+ ((uint32_t)params[3] << 16) |
+ ((uint32_t)params[4] << 8) |
+ (uint32_t)params[5];
+
+ p_scsi_blk->len = ((uint32_t)params[7] << 8) | (uint32_t)params[8];
+
+ if (SCSI_CheckAddressRange(pdev, lun, p_scsi_blk->addr, p_scsi_blk->len) < 0)
+ {
+ return -1; /* error */
+ }
+
+ /* cases 4,5 : Hi <> Dn */
+ if (hmsc->cbw.dDataLength != (p_scsi_blk->len * p_scsi_blk->size))
+ {
+ SCSI_SenseCode(pdev, hmsc->cbw.bLUN, ILLEGAL_REQUEST, INVALID_CDB);
+ return -1;
+ }
+
+ hmsc->bot_state = USBD_BOT_DATA_IN;
+ }
+ hmsc->bot_data_length = MSC_MEDIA_PACKET;
+
+ return SCSI_ProcessRead(pdev, lun);
+}
+
+
+/**
+ * @brief SCSI_Read12
+ * Process Read12 command
+ * @param lun: Logical unit number
+ * @param params: Command parameters
+ * @retval status
+ */
+static int8_t SCSI_Read12(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params)
+{
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId];
+ USBD_MSC_BOT_LUN_TypeDef *p_scsi_blk = &hmsc->scsi_blk[lun];
+
+ if (hmsc == NULL)
+ {
+ return -1;
+ }
+
+ if (hmsc->bot_state == USBD_BOT_IDLE) /* Idle */
+ {
+ /* case 10 : Ho <> Di */
+ if ((hmsc->cbw.bmFlags & 0x80U) != 0x80U)
+ {
+ SCSI_SenseCode(pdev, hmsc->cbw.bLUN, ILLEGAL_REQUEST, INVALID_CDB);
+ return -1;
+ }
+
+ if (hmsc->scsi_medium_state == SCSI_MEDIUM_EJECTED)
+ {
+ SCSI_SenseCode(pdev, lun, NOT_READY, MEDIUM_NOT_PRESENT);
+ return -1;
+ }
+
+ if (((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId])->IsReady(lun) != 0)
+ {
+ SCSI_SenseCode(pdev, lun, NOT_READY, MEDIUM_NOT_PRESENT);
+ return -1;
+ }
+
+ p_scsi_blk->addr = ((uint32_t)params[2] << 24) |
+ ((uint32_t)params[3] << 16) |
+ ((uint32_t)params[4] << 8) |
+ (uint32_t)params[5];
+
+ p_scsi_blk->len = ((uint32_t)params[6] << 24) |
+ ((uint32_t)params[7] << 16) |
+ ((uint32_t)params[8] << 8) |
+ (uint32_t)params[9];
+
+ if (SCSI_CheckAddressRange(pdev, lun, p_scsi_blk->addr, p_scsi_blk->len) < 0)
+ {
+ return -1; /* error */
+ }
+
+ /* cases 4,5 : Hi <> Dn */
+ if (hmsc->cbw.dDataLength != (p_scsi_blk->len * p_scsi_blk->size))
+ {
+ SCSI_SenseCode(pdev, hmsc->cbw.bLUN, ILLEGAL_REQUEST, INVALID_CDB);
+ return -1;
+ }
+
+ hmsc->bot_state = USBD_BOT_DATA_IN;
+ }
+ hmsc->bot_data_length = MSC_MEDIA_PACKET;
+
+ return SCSI_ProcessRead(pdev, lun);
+}
+
+
+/**
+ * @brief SCSI_Write10
+ * Process Write10 command
+ * @param lun: Logical unit number
+ * @param params: Command parameters
+ * @retval status
+ */
+static int8_t SCSI_Write10(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params)
+{
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId];
+ USBD_MSC_BOT_LUN_TypeDef *p_scsi_blk = &hmsc->scsi_blk[lun];
+ uint32_t len;
+
+ if (hmsc == NULL)
+ {
+ return -1;
+ }
+
+#ifdef USE_USBD_COMPOSITE
+ /* Get the Endpoints addresses allocated for this class instance */
+ MSCOutEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_OUT, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId);
+#endif /* USE_USBD_COMPOSITE */
+
+ if (hmsc->bot_state == USBD_BOT_IDLE) /* Idle */
+ {
+ if (hmsc->cbw.dDataLength == 0U)
+ {
+ SCSI_SenseCode(pdev, hmsc->cbw.bLUN, ILLEGAL_REQUEST, INVALID_CDB);
+ return -1;
+ }
+
+ /* case 8 : Hi <> Do */
+ if ((hmsc->cbw.bmFlags & 0x80U) == 0x80U)
+ {
+ SCSI_SenseCode(pdev, hmsc->cbw.bLUN, ILLEGAL_REQUEST, INVALID_CDB);
+ return -1;
+ }
+
+ /* Check whether Media is ready */
+ if (((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId])->IsReady(lun) != 0)
+ {
+ SCSI_SenseCode(pdev, lun, NOT_READY, MEDIUM_NOT_PRESENT);
+ return -1;
+ }
+
+ /* Check If media is write-protected */
+ if (((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId])->IsWriteProtected(lun) != 0)
+ {
+ SCSI_SenseCode(pdev, lun, NOT_READY, WRITE_PROTECTED);
+ return -1;
+ }
+
+ p_scsi_blk->addr = ((uint32_t)params[2] << 24) |
+ ((uint32_t)params[3] << 16) |
+ ((uint32_t)params[4] << 8) |
+ (uint32_t)params[5];
+
+ p_scsi_blk->len = ((uint32_t)params[7] << 8) |
+ (uint32_t)params[8];
+
+ /* check if LBA address is in the right range */
+ if (SCSI_CheckAddressRange(pdev, lun, p_scsi_blk->addr, p_scsi_blk->len) < 0)
+ {
+ return -1; /* error */
+ }
+
+ len = p_scsi_blk->len * p_scsi_blk->size;
+
+ /* cases 3,11,13 : Hn,Ho <> D0 */
+ if (hmsc->cbw.dDataLength != len)
+ {
+ SCSI_SenseCode(pdev, hmsc->cbw.bLUN, ILLEGAL_REQUEST, INVALID_CDB);
+ return -1;
+ }
+
+ len = MIN(len, MSC_MEDIA_PACKET);
+
+ /* Prepare EP to receive first data packet */
+ hmsc->bot_state = USBD_BOT_DATA_OUT;
+ (void)USBD_LL_PrepareReceive(pdev, MSCOutEpAdd, hmsc->bot_data, len);
+ }
+ else /* Write Process ongoing */
+ {
+ return SCSI_ProcessWrite(pdev, lun);
+ }
+
+ return 0;
+}
+
+
+/**
+ * @brief SCSI_Write12
+ * Process Write12 command
+ * @param lun: Logical unit number
+ * @param params: Command parameters
+ * @retval status
+ */
+static int8_t SCSI_Write12(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params)
+{
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId];
+ USBD_MSC_BOT_LUN_TypeDef *p_scsi_blk = &hmsc->scsi_blk[lun];
+ uint32_t len;
+
+ if (hmsc == NULL)
+ {
+ return -1;
+ }
+#ifdef USE_USBD_COMPOSITE
+ /* Get the Endpoints addresses allocated for this class instance */
+ MSCOutEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_OUT, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId);
+#endif /* USE_USBD_COMPOSITE */
+
+ if (hmsc->bot_state == USBD_BOT_IDLE) /* Idle */
+ {
+ if (hmsc->cbw.dDataLength == 0U)
+ {
+ SCSI_SenseCode(pdev, hmsc->cbw.bLUN, ILLEGAL_REQUEST, INVALID_CDB);
+ return -1;
+ }
+
+ /* case 8 : Hi <> Do */
+ if ((hmsc->cbw.bmFlags & 0x80U) == 0x80U)
+ {
+ SCSI_SenseCode(pdev, hmsc->cbw.bLUN, ILLEGAL_REQUEST, INVALID_CDB);
+ return -1;
+ }
+
+ /* Check whether Media is ready */
+ if (((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId])->IsReady(lun) != 0)
+ {
+ SCSI_SenseCode(pdev, lun, NOT_READY, MEDIUM_NOT_PRESENT);
+ hmsc->bot_state = USBD_BOT_NO_DATA;
+ return -1;
+ }
+
+ /* Check If media is write-protected */
+ if (((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId])->IsWriteProtected(lun) != 0)
+ {
+ SCSI_SenseCode(pdev, lun, NOT_READY, WRITE_PROTECTED);
+ hmsc->bot_state = USBD_BOT_NO_DATA;
+ return -1;
+ }
+
+ p_scsi_blk->addr = ((uint32_t)params[2] << 24) |
+ ((uint32_t)params[3] << 16) |
+ ((uint32_t)params[4] << 8) |
+ (uint32_t)params[5];
+
+ p_scsi_blk->len = ((uint32_t)params[6] << 24) |
+ ((uint32_t)params[7] << 16) |
+ ((uint32_t)params[8] << 8) |
+ (uint32_t)params[9];
+
+ /* check if LBA address is in the right range */
+ if (SCSI_CheckAddressRange(pdev, lun, p_scsi_blk->addr, p_scsi_blk->len) < 0)
+ {
+ return -1; /* error */
+ }
+
+ len = p_scsi_blk->len * p_scsi_blk->size;
+
+ /* cases 3,11,13 : Hn,Ho <> D0 */
+ if (hmsc->cbw.dDataLength != len)
+ {
+ SCSI_SenseCode(pdev, hmsc->cbw.bLUN, ILLEGAL_REQUEST, INVALID_CDB);
+ return -1;
+ }
+
+ len = MIN(len, MSC_MEDIA_PACKET);
+
+ /* Prepare EP to receive first data packet */
+ hmsc->bot_state = USBD_BOT_DATA_OUT;
+ (void)USBD_LL_PrepareReceive(pdev, MSCOutEpAdd, hmsc->bot_data, len);
+ }
+ else /* Write Process ongoing */
+ {
+ return SCSI_ProcessWrite(pdev, lun);
+ }
+
+ return 0;
+}
+
+
+/**
+ * @brief SCSI_Verify10
+ * Process Verify10 command
+ * @param lun: Logical unit number
+ * @param params: Command parameters
+ * @retval status
+ */
+static int8_t SCSI_Verify10(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params)
+{
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId];
+ USBD_MSC_BOT_LUN_TypeDef *p_scsi_blk = &hmsc->scsi_blk[lun];
+
+ if (hmsc == NULL)
+ {
+ return -1;
+ }
+
+ if ((params[1] & 0x02U) == 0x02U)
+ {
+ SCSI_SenseCode(pdev, lun, ILLEGAL_REQUEST, INVALID_FIELD_IN_COMMAND);
+ return -1; /* Error, Verify Mode Not supported*/
+ }
+
+ if (SCSI_CheckAddressRange(pdev, lun, p_scsi_blk->addr, p_scsi_blk->len) < 0)
+ {
+ return -1; /* error */
+ }
+
+ hmsc->bot_data_length = 0U;
+
+ return 0;
+}
+
+/**
+ * @brief SCSI_ReportLuns12
+ * Process ReportLuns command
+ * @retval status
+ */
+static int8_t SCSI_ReportLuns(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params)
+{
+ USBD_MSC_BOT_HandleTypeDef *hmsc;
+ uint32_t lun_list_length;
+ uint32_t total_length;
+ uint8_t lun_idx;
+
+ UNUSED(lun);
+ UNUSED(params);
+
+ /* Define the report LUNs buffer Each LUN entry is 8 bytes */
+ static uint8_t lun_report[8U * (MSC_BOT_MAX_LUN + 1U)];
+
+ hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId];
+
+ if (hmsc == NULL)
+ {
+ return -1;
+ }
+
+ /* Initialize the report LUNs buffer */
+ (void)USBD_memset(lun_report, 0, sizeof(lun_report));
+
+ /* Set the LUN list length in the first 4 bytes */
+ lun_list_length = 8U * (hmsc->max_lun + 1U);
+ lun_report[0] = (uint8_t)(lun_list_length >> 24);
+ lun_report[1] = (uint8_t)(lun_list_length >> 16);
+ lun_report[2] = (uint8_t)(lun_list_length >> 8);
+ lun_report[3] = (uint8_t)(lun_list_length & 0xFFU);
+
+ /* Update the LUN list */
+ for (lun_idx = 0U; lun_idx <= hmsc->max_lun; lun_idx++)
+ {
+ /* LUN identifier is placed at the second byte of each 8-byte entry */
+ lun_report[(8U * (lun_idx + 1U)) + 1U] = lun_idx;
+ }
+
+ /* Calculate the total length of the report LUNs buffer */
+ total_length = lun_list_length + 8U;
+
+ /* Update the BOT data with the report LUNs buffer */
+ (void)SCSI_UpdateBotData(hmsc, lun_report, (uint16_t)total_length);
+
+ return 0;
+}
+
+/**
+ * @brief SCSI_ReceiveDiagnosticResults
+ * Process SCSI_Receive Diagnostic Results command
+ * @param lun: Logical unit number
+ * @param params: Command parameters
+ * @retval status
+ */
+static int8_t SCSI_ReceiveDiagnosticResults(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params)
+{
+ UNUSED(lun);
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId];
+ uint16_t allocation_length;
+
+ /* Extract the allocation length from the CDB */
+ allocation_length = (((uint16_t)params[3] << 8) | (uint16_t)params[4]);
+
+ if (allocation_length == 0U)
+ {
+ return 0;
+ }
+
+ /* Ensure the allocation length does not exceed the diagnostic data length */
+ if (allocation_length > DIAGNOSTIC_DATA_LEN)
+ {
+ allocation_length = DIAGNOSTIC_DATA_LEN;
+ }
+
+ /* Send the diagnostic data to the host */
+ (void)SCSI_UpdateBotData(hmsc, MSC_Diagnostic_Data, allocation_length);
+
+ return 0;
+}
+
+/**
+ * @brief SCSI_CheckAddressRange
+ * Check address range
+ * @param lun: Logical unit number
+ * @param blk_offset: first block address
+ * @param blk_nbr: number of block to be processed
+ * @retval status
+ */
+static int8_t SCSI_CheckAddressRange(USBD_HandleTypeDef *pdev, uint8_t lun,
+ uint32_t blk_offset, uint32_t blk_nbr)
+{
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId];
+ USBD_MSC_BOT_LUN_TypeDef *p_scsi_blk = &hmsc->scsi_blk[lun];
+
+ if (hmsc == NULL)
+ {
+ return -1;
+ }
+
+ if ((blk_offset + blk_nbr) > p_scsi_blk->nbr)
+ {
+ SCSI_SenseCode(pdev, lun, ILLEGAL_REQUEST, ADDRESS_OUT_OF_RANGE);
+ return -1;
+ }
+
+ return 0;
+}
+
+/**
+ * @brief SCSI_ProcessRead
+ * Handle Read Process
+ * @param lun: Logical unit number
+ * @retval status
+ */
+static int8_t SCSI_ProcessRead(USBD_HandleTypeDef *pdev, uint8_t lun)
+{
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId];
+ USBD_MSC_BOT_LUN_TypeDef *p_scsi_blk = &hmsc->scsi_blk[lun];
+ uint32_t len;
+
+ if (hmsc == NULL)
+ {
+ return -1;
+ }
+
+ len = p_scsi_blk->len * p_scsi_blk->size;
+
+#ifdef USE_USBD_COMPOSITE
+ /* Get the Endpoints addresses allocated for this class instance */
+ MSCInEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_IN, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId);
+#endif /* USE_USBD_COMPOSITE */
+
+ len = MIN(len, MSC_MEDIA_PACKET);
+
+ if (((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId])->Read(lun, hmsc->bot_data,
+ p_scsi_blk->addr,
+ (len / p_scsi_blk->size)) < 0)
+ {
+ SCSI_SenseCode(pdev, lun, HARDWARE_ERROR, UNRECOVERED_READ_ERROR);
+ return -1;
+ }
+
+ (void)USBD_LL_Transmit(pdev, MSCInEpAdd, hmsc->bot_data, len);
+
+ p_scsi_blk->addr += (len / p_scsi_blk->size);
+ p_scsi_blk->len -= (len / p_scsi_blk->size);
+
+ /* case 6 : Hi = Di */
+ hmsc->csw.dDataResidue -= len;
+
+ if (p_scsi_blk->len == 0U)
+ {
+ hmsc->bot_state = USBD_BOT_LAST_DATA_IN;
+ }
+
+ return 0;
+}
+
+/**
+ * @brief SCSI_ProcessWrite
+ * Handle Write Process
+ * @param lun: Logical unit number
+ * @retval status
+ */
+static int8_t SCSI_ProcessWrite(USBD_HandleTypeDef *pdev, uint8_t lun)
+{
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId];
+ USBD_MSC_BOT_LUN_TypeDef *p_scsi_blk = &hmsc->scsi_blk[lun];
+ uint32_t len;
+
+ if (hmsc == NULL)
+ {
+ return -1;
+ }
+
+ len = p_scsi_blk->len * p_scsi_blk->size;
+
+#ifdef USE_USBD_COMPOSITE
+ /* Get the Endpoints addresses allocated for this class instance */
+ MSCOutEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_OUT, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId);
+#endif /* USE_USBD_COMPOSITE */
+
+ len = MIN(len, MSC_MEDIA_PACKET);
+
+ if (((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId])->Write(lun, hmsc->bot_data, p_scsi_blk->addr,
+ (len / p_scsi_blk->size)) < 0)
+ {
+ SCSI_SenseCode(pdev, lun, HARDWARE_ERROR, WRITE_FAULT);
+ return -1;
+ }
+
+ p_scsi_blk->addr += (len / p_scsi_blk->size);
+ p_scsi_blk->len -= (len / p_scsi_blk->size);
+
+ /* case 12 : Ho = Do */
+ hmsc->csw.dDataResidue -= len;
+
+ if (p_scsi_blk->len == 0U)
+ {
+ MSC_BOT_SendCSW(pdev, USBD_CSW_CMD_PASSED);
+ }
+ else
+ {
+ len = MIN((p_scsi_blk->len * p_scsi_blk->size), MSC_MEDIA_PACKET);
+
+ /* Prepare EP to Receive next packet */
+ (void)USBD_LL_PrepareReceive(pdev, MSCOutEpAdd, hmsc->bot_data, len);
+ }
+
+ return 0;
+}
+
+
+/**
+ * @brief SCSI_UpdateBotData
+ * fill the requested Data to transmit buffer
+ * @param hmsc handler
+ * @param pBuff: Data buffer
+ * @param length: Data length
+ * @retval status
+ */
+static int8_t SCSI_UpdateBotData(USBD_MSC_BOT_HandleTypeDef *hmsc,
+ uint8_t *pBuff, uint16_t length)
+{
+ uint16_t len = length;
+
+ if (hmsc == NULL)
+ {
+ return -1;
+ }
+
+ hmsc->bot_data_length = len;
+
+ while (len != 0U)
+ {
+ len--;
+ hmsc->bot_data[len] = pBuff[len];
+ }
+
+ return 0;
+}
+/**
+ * @}
+ */
+
+
+/**
+ * @}
+ */
+
+
+/**
+ * @}
+ */
+
diff --git a/Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_core.h b/Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_core.h
new file mode 100755
index 0000000..4672921
--- /dev/null
+++ b/Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_core.h
@@ -0,0 +1,175 @@
+/**
+ ******************************************************************************
+ * @file usbd_core.h
+ * @author MCD Application Team
+ * @brief Header file for usbd_core.c file
+ ******************************************************************************
+ * @attention
+ *
+ * Copyright (c) 2015 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.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __USBD_CORE_H
+#define __USBD_CORE_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "usbd_conf.h"
+#include "usbd_def.h"
+#include "usbd_ioreq.h"
+#include "usbd_ctlreq.h"
+
+/** @addtogroup STM32_USB_DEVICE_LIBRARY
+ * @{
+ */
+
+/** @defgroup USBD_CORE
+ * @brief This file is the Header file for usbd_core.c file
+ * @{
+ */
+
+
+/** @defgroup USBD_CORE_Exported_Defines
+ * @{
+ */
+#ifndef USBD_DEBUG_LEVEL
+#define USBD_DEBUG_LEVEL 0U
+#endif /* USBD_DEBUG_LEVEL */
+/**
+ * @}
+ */
+
+
+/** @defgroup USBD_CORE_Exported_TypesDefinitions
+ * @{
+ */
+
+
+/**
+ * @}
+ */
+
+
+
+/** @defgroup USBD_CORE_Exported_Macros
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+/** @defgroup USBD_CORE_Exported_Variables
+ * @{
+ */
+#define USBD_SOF USBD_LL_SOF
+/**
+ * @}
+ */
+
+/** @defgroup USBD_CORE_Exported_FunctionsPrototype
+ * @{
+ */
+USBD_StatusTypeDef USBD_Init(USBD_HandleTypeDef *pdev, USBD_DescriptorsTypeDef *pdesc, uint8_t id);
+USBD_StatusTypeDef USBD_DeInit(USBD_HandleTypeDef *pdev);
+USBD_StatusTypeDef USBD_Start(USBD_HandleTypeDef *pdev);
+USBD_StatusTypeDef USBD_Stop(USBD_HandleTypeDef *pdev);
+USBD_StatusTypeDef USBD_RegisterClass(USBD_HandleTypeDef *pdev, USBD_ClassTypeDef *pclass);
+#if (USBD_USER_REGISTER_CALLBACK == 1U)
+USBD_StatusTypeDef USBD_RegisterDevStateCallback(USBD_HandleTypeDef *pdev, USBD_DevStateCallbackTypeDef pUserCallback);
+#endif /* USBD_USER_REGISTER_CALLBACK */
+
+#ifdef USE_USBD_COMPOSITE
+USBD_StatusTypeDef USBD_RegisterClassComposite(USBD_HandleTypeDef *pdev, USBD_ClassTypeDef *pclass,
+ USBD_CompositeClassTypeDef classtype, uint8_t *EpAddr);
+
+USBD_StatusTypeDef USBD_UnRegisterClassComposite(USBD_HandleTypeDef *pdev);
+uint8_t USBD_CoreGetEPAdd(USBD_HandleTypeDef *pdev, uint8_t ep_dir, uint8_t ep_type, uint8_t ClassId);
+#endif /* USE_USBD_COMPOSITE */
+
+uint8_t USBD_CoreFindIF(USBD_HandleTypeDef *pdev, uint8_t index);
+uint8_t USBD_CoreFindEP(USBD_HandleTypeDef *pdev, uint8_t index);
+
+USBD_StatusTypeDef USBD_RunTestMode(USBD_HandleTypeDef *pdev);
+USBD_StatusTypeDef USBD_SetClassConfig(USBD_HandleTypeDef *pdev, uint8_t cfgidx);
+USBD_StatusTypeDef USBD_ClrClassConfig(USBD_HandleTypeDef *pdev, uint8_t cfgidx);
+
+USBD_StatusTypeDef USBD_LL_SetupStage(USBD_HandleTypeDef *pdev, uint8_t *psetup);
+USBD_StatusTypeDef USBD_LL_DataOutStage(USBD_HandleTypeDef *pdev, uint8_t epnum, uint8_t *pdata);
+USBD_StatusTypeDef USBD_LL_DataInStage(USBD_HandleTypeDef *pdev, uint8_t epnum, uint8_t *pdata);
+
+USBD_StatusTypeDef USBD_LL_Reset(USBD_HandleTypeDef *pdev);
+USBD_StatusTypeDef USBD_LL_SetSpeed(USBD_HandleTypeDef *pdev, USBD_SpeedTypeDef speed);
+USBD_StatusTypeDef USBD_LL_Suspend(USBD_HandleTypeDef *pdev);
+USBD_StatusTypeDef USBD_LL_Resume(USBD_HandleTypeDef *pdev);
+
+USBD_StatusTypeDef USBD_LL_SOF(USBD_HandleTypeDef *pdev);
+USBD_StatusTypeDef USBD_LL_IsoINIncomplete(USBD_HandleTypeDef *pdev, uint8_t epnum);
+USBD_StatusTypeDef USBD_LL_IsoOUTIncomplete(USBD_HandleTypeDef *pdev, uint8_t epnum);
+
+USBD_StatusTypeDef USBD_LL_DevConnected(USBD_HandleTypeDef *pdev);
+USBD_StatusTypeDef USBD_LL_DevDisconnected(USBD_HandleTypeDef *pdev);
+
+/* USBD Low Level Driver */
+USBD_StatusTypeDef USBD_LL_Init(USBD_HandleTypeDef *pdev);
+USBD_StatusTypeDef USBD_LL_DeInit(USBD_HandleTypeDef *pdev);
+USBD_StatusTypeDef USBD_LL_Start(USBD_HandleTypeDef *pdev);
+USBD_StatusTypeDef USBD_LL_Stop(USBD_HandleTypeDef *pdev);
+
+USBD_StatusTypeDef USBD_LL_OpenEP(USBD_HandleTypeDef *pdev, uint8_t ep_addr,
+ uint8_t ep_type, uint16_t ep_mps);
+
+USBD_StatusTypeDef USBD_LL_CloseEP(USBD_HandleTypeDef *pdev, uint8_t ep_addr);
+USBD_StatusTypeDef USBD_LL_FlushEP(USBD_HandleTypeDef *pdev, uint8_t ep_addr);
+USBD_StatusTypeDef USBD_LL_StallEP(USBD_HandleTypeDef *pdev, uint8_t ep_addr);
+USBD_StatusTypeDef USBD_LL_ClearStallEP(USBD_HandleTypeDef *pdev, uint8_t ep_addr);
+USBD_StatusTypeDef USBD_LL_SetUSBAddress(USBD_HandleTypeDef *pdev, uint8_t dev_addr);
+
+USBD_StatusTypeDef USBD_LL_Transmit(USBD_HandleTypeDef *pdev, uint8_t ep_addr,
+ uint8_t *pbuf, uint32_t size);
+
+USBD_StatusTypeDef USBD_LL_PrepareReceive(USBD_HandleTypeDef *pdev, uint8_t ep_addr,
+ uint8_t *pbuf, uint32_t size);
+
+#ifdef USBD_HS_TESTMODE_ENABLE
+USBD_StatusTypeDef USBD_LL_SetTestMode(USBD_HandleTypeDef *pdev, uint8_t testmode);
+#endif /* USBD_HS_TESTMODE_ENABLE */
+
+uint8_t USBD_LL_IsStallEP(USBD_HandleTypeDef *pdev, uint8_t ep_addr);
+uint32_t USBD_LL_GetRxDataSize(USBD_HandleTypeDef *pdev, uint8_t ep_addr);
+
+void USBD_LL_Delay(uint32_t Delay);
+
+void *USBD_GetEpDesc(uint8_t *pConfDesc, uint8_t EpAddr);
+USBD_DescHeaderTypeDef *USBD_GetNextDesc(uint8_t *pbuf, uint16_t *ptr);
+
+/**
+ * @}
+ */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __USBD_CORE_H */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+
diff --git a/Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_ctlreq.h b/Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_ctlreq.h
new file mode 100755
index 0000000..6c45d6c
--- /dev/null
+++ b/Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_ctlreq.h
@@ -0,0 +1,101 @@
+/**
+ ******************************************************************************
+ * @file usbd_req.h
+ * @author MCD Application Team
+ * @brief Header file for the usbd_req.c file
+ ******************************************************************************
+ * @attention
+ *
+ * Copyright (c) 2015 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.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __USB_REQUEST_H
+#define __USB_REQUEST_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "usbd_def.h"
+
+
+/** @addtogroup STM32_USB_DEVICE_LIBRARY
+ * @{
+ */
+
+/** @defgroup USBD_REQ
+ * @brief header file for the usbd_req.c file
+ * @{
+ */
+
+/** @defgroup USBD_REQ_Exported_Defines
+ * @{
+ */
+/**
+ * @}
+ */
+
+
+/** @defgroup USBD_REQ_Exported_Types
+ * @{
+ */
+/**
+ * @}
+ */
+
+
+
+/** @defgroup USBD_REQ_Exported_Macros
+ * @{
+ */
+/**
+ * @}
+ */
+
+/** @defgroup USBD_REQ_Exported_Variables
+ * @{
+ */
+/**
+ * @}
+ */
+
+/** @defgroup USBD_REQ_Exported_FunctionsPrototype
+ * @{
+ */
+
+USBD_StatusTypeDef USBD_StdDevReq(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req);
+USBD_StatusTypeDef USBD_StdItfReq(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req);
+USBD_StatusTypeDef USBD_StdEPReq(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req);
+
+void USBD_CtlError(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req);
+void USBD_ParseSetupRequest(USBD_SetupReqTypedef *req, uint8_t *pdata);
+void USBD_GetString(uint8_t *desc, uint8_t *unicode, uint16_t *len);
+
+/**
+ * @}
+ */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __USB_REQUEST_H */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+
diff --git a/Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_def.h b/Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_def.h
new file mode 100755
index 0000000..5b2394e
--- /dev/null
+++ b/Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_def.h
@@ -0,0 +1,524 @@
+/**
+ ******************************************************************************
+ * @file usbd_def.h
+ * @author MCD Application Team
+ * @brief General defines for the usb device library
+ ******************************************************************************
+ * @attention
+ *
+ * Copyright (c) 2015 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.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __USBD_DEF_H
+#define __USBD_DEF_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "usbd_conf.h"
+
+/** @addtogroup STM32_USBD_DEVICE_LIBRARY
+ * @{
+ */
+
+/** @defgroup USB_DEF
+ * @brief general defines for the usb device library file
+ * @{
+ */
+
+/** @defgroup USB_DEF_Exported_Defines
+ * @{
+ */
+
+#ifndef NULL
+#define NULL 0U
+#endif /* NULL */
+
+#ifndef USBD_MAX_NUM_INTERFACES
+#define USBD_MAX_NUM_INTERFACES 1U
+#endif /* USBD_MAX_NUM_CONFIGURATION */
+
+#ifndef USBD_MAX_NUM_CONFIGURATION
+#define USBD_MAX_NUM_CONFIGURATION 1U
+#endif /* USBD_MAX_NUM_CONFIGURATION */
+
+#ifdef USE_USBD_COMPOSITE
+#ifndef USBD_MAX_SUPPORTED_CLASS
+#define USBD_MAX_SUPPORTED_CLASS 4U
+#endif /* USBD_MAX_SUPPORTED_CLASS */
+#else
+#ifndef USBD_MAX_SUPPORTED_CLASS
+#define USBD_MAX_SUPPORTED_CLASS 1U
+#endif /* USBD_MAX_SUPPORTED_CLASS */
+#endif /* USE_USBD_COMPOSITE */
+
+#ifndef USBD_MAX_CLASS_ENDPOINTS
+#define USBD_MAX_CLASS_ENDPOINTS 5U
+#endif /* USBD_MAX_CLASS_ENDPOINTS */
+
+#ifndef USBD_MAX_CLASS_INTERFACES
+#define USBD_MAX_CLASS_INTERFACES 5U
+#endif /* USBD_MAX_CLASS_INTERFACES */
+
+#ifndef USBD_LPM_ENABLED
+#define USBD_LPM_ENABLED 0U
+#endif /* USBD_LPM_ENABLED */
+
+#ifndef USBD_SELF_POWERED
+#define USBD_SELF_POWERED 1U
+#endif /*USBD_SELF_POWERED */
+
+#ifndef USBD_MAX_POWER
+#define USBD_MAX_POWER 0x32U /* 100 mA */
+#endif /* USBD_MAX_POWER */
+
+#ifndef USBD_SUPPORT_USER_STRING_DESC
+#define USBD_SUPPORT_USER_STRING_DESC 0U
+#endif /* USBD_SUPPORT_USER_STRING_DESC */
+
+#ifndef USBD_CLASS_USER_STRING_DESC
+#define USBD_CLASS_USER_STRING_DESC 0U
+#endif /* USBD_CLASS_USER_STRING_DESC */
+
+#define USB_LEN_DEV_QUALIFIER_DESC 0x0AU
+#define USB_LEN_DEV_DESC 0x12U
+#define USB_LEN_CFG_DESC 0x09U
+#define USB_LEN_IF_DESC 0x09U
+#define USB_LEN_EP_DESC 0x07U
+#define USB_LEN_OTG_DESC 0x03U
+#define USB_LEN_LANGID_STR_DESC 0x04U
+#define USB_LEN_OTHER_SPEED_DESC_SIZ 0x09U
+
+#define USBD_IDX_LANGID_STR 0x00U
+#define USBD_IDX_MFC_STR 0x01U
+#define USBD_IDX_PRODUCT_STR 0x02U
+#define USBD_IDX_SERIAL_STR 0x03U
+#define USBD_IDX_CONFIG_STR 0x04U
+#define USBD_IDX_INTERFACE_STR 0x05U
+
+#define USB_REQ_TYPE_STANDARD 0x00U
+#define USB_REQ_TYPE_CLASS 0x20U
+#define USB_REQ_TYPE_VENDOR 0x40U
+#define USB_REQ_TYPE_MASK 0x60U
+
+#define USB_REQ_RECIPIENT_DEVICE 0x00U
+#define USB_REQ_RECIPIENT_INTERFACE 0x01U
+#define USB_REQ_RECIPIENT_ENDPOINT 0x02U
+#define USB_REQ_RECIPIENT_MASK 0x03U
+
+#define USB_REQ_GET_STATUS 0x00U
+#define USB_REQ_CLEAR_FEATURE 0x01U
+#define USB_REQ_SET_FEATURE 0x03U
+#define USB_REQ_SET_ADDRESS 0x05U
+#define USB_REQ_GET_DESCRIPTOR 0x06U
+#define USB_REQ_SET_DESCRIPTOR 0x07U
+#define USB_REQ_GET_CONFIGURATION 0x08U
+#define USB_REQ_SET_CONFIGURATION 0x09U
+#define USB_REQ_GET_INTERFACE 0x0AU
+#define USB_REQ_SET_INTERFACE 0x0BU
+#define USB_REQ_SYNCH_FRAME 0x0CU
+
+#define USB_DESC_TYPE_DEVICE 0x01U
+#define USB_DESC_TYPE_CONFIGURATION 0x02U
+#define USB_DESC_TYPE_STRING 0x03U
+#define USB_DESC_TYPE_INTERFACE 0x04U
+#define USB_DESC_TYPE_ENDPOINT 0x05U
+#define USB_DESC_TYPE_DEVICE_QUALIFIER 0x06U
+#define USB_DESC_TYPE_OTHER_SPEED_CONFIGURATION 0x07U
+#define USB_DESC_TYPE_IAD 0x0BU
+#define USB_DESC_TYPE_BOS 0x0FU
+
+#define USB_CONFIG_REMOTE_WAKEUP 0x02U
+#define USB_CONFIG_SELF_POWERED 0x01U
+
+#define USB_FEATURE_EP_HALT 0x00U
+#define USB_FEATURE_REMOTE_WAKEUP 0x01U
+#define USB_FEATURE_TEST_MODE 0x02U
+
+#define USB_DEVICE_CAPABITY_TYPE 0x10U
+
+#define USB_CONF_DESC_SIZE 0x09U
+#define USB_IF_DESC_SIZE 0x09U
+#define USB_EP_DESC_SIZE 0x07U
+#define USB_IAD_DESC_SIZE 0x08U
+
+#define USB_HS_MAX_PACKET_SIZE 512U
+#define USB_FS_MAX_PACKET_SIZE 64U
+#define USB_MAX_EP0_SIZE 64U
+
+/* Device Status */
+#define USBD_STATE_DEFAULT 0x01U
+#define USBD_STATE_ADDRESSED 0x02U
+#define USBD_STATE_CONFIGURED 0x03U
+#define USBD_STATE_SUSPENDED 0x04U
+
+
+/* EP0 State */
+#define USBD_EP0_IDLE 0x00U
+#define USBD_EP0_SETUP 0x01U
+#define USBD_EP0_DATA_IN 0x02U
+#define USBD_EP0_DATA_OUT 0x03U
+#define USBD_EP0_STATUS_IN 0x04U
+#define USBD_EP0_STATUS_OUT 0x05U
+#define USBD_EP0_STALL 0x06U
+
+#define USBD_EP_TYPE_CTRL 0x00U
+#define USBD_EP_TYPE_ISOC 0x01U
+#define USBD_EP_TYPE_BULK 0x02U
+#define USBD_EP_TYPE_INTR 0x03U
+
+#ifdef USE_USBD_COMPOSITE
+#define USBD_EP_IN 0x80U
+#define USBD_EP_OUT 0x00U
+#define USBD_FUNC_DESCRIPTOR_TYPE 0x24U
+#define USBD_DESC_SUBTYPE_ACM 0x0FU
+#define USBD_DESC_ECM_BCD_LOW 0x00U
+#define USBD_DESC_ECM_BCD_HIGH 0x10U
+#endif /* USE_USBD_COMPOSITE */
+/**
+ * @}
+ */
+
+
+/** @defgroup USBD_DEF_Exported_TypesDefinitions
+ * @{
+ */
+
+typedef struct usb_setup_req
+{
+ uint8_t bmRequest;
+ uint8_t bRequest;
+ uint16_t wValue;
+ uint16_t wIndex;
+ uint16_t wLength;
+} USBD_SetupReqTypedef;
+
+typedef struct
+{
+ uint8_t bLength;
+ uint8_t bDescriptorType;
+ uint16_t wTotalLength;
+ uint8_t bNumInterfaces;
+ uint8_t bConfigurationValue;
+ uint8_t iConfiguration;
+ uint8_t bmAttributes;
+ uint8_t bMaxPower;
+} __PACKED USBD_ConfigDescTypeDef;
+
+typedef struct
+{
+ uint8_t bLength;
+ uint8_t bDescriptorType;
+ uint16_t wTotalLength;
+ uint8_t bNumDeviceCaps;
+} USBD_BosDescTypeDef;
+
+typedef struct
+{
+ uint8_t bLength;
+ uint8_t bDescriptorType;
+ uint8_t bEndpointAddress;
+ uint8_t bmAttributes;
+ uint16_t wMaxPacketSize;
+ uint8_t bInterval;
+} __PACKED USBD_EpDescTypeDef;
+
+typedef struct
+{
+ uint8_t bLength;
+ uint8_t bDescriptorType;
+ uint8_t bDescriptorSubType;
+} USBD_DescHeaderTypeDef;
+
+struct _USBD_HandleTypeDef;
+
+typedef struct _Device_cb
+{
+ uint8_t (*Init)(struct _USBD_HandleTypeDef *pdev, uint8_t cfgidx);
+ uint8_t (*DeInit)(struct _USBD_HandleTypeDef *pdev, uint8_t cfgidx);
+ /* Control Endpoints*/
+ uint8_t (*Setup)(struct _USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req);
+ uint8_t (*EP0_TxSent)(struct _USBD_HandleTypeDef *pdev);
+ uint8_t (*EP0_RxReady)(struct _USBD_HandleTypeDef *pdev);
+ /* Class Specific Endpoints*/
+ uint8_t (*DataIn)(struct _USBD_HandleTypeDef *pdev, uint8_t epnum);
+ uint8_t (*DataOut)(struct _USBD_HandleTypeDef *pdev, uint8_t epnum);
+ uint8_t (*SOF)(struct _USBD_HandleTypeDef *pdev);
+ uint8_t (*IsoINIncomplete)(struct _USBD_HandleTypeDef *pdev, uint8_t epnum);
+ uint8_t (*IsoOUTIncomplete)(struct _USBD_HandleTypeDef *pdev, uint8_t epnum);
+
+ uint8_t *(*GetHSConfigDescriptor)(uint16_t *length);
+ uint8_t *(*GetFSConfigDescriptor)(uint16_t *length);
+ uint8_t *(*GetOtherSpeedConfigDescriptor)(uint16_t *length);
+ uint8_t *(*GetDeviceQualifierDescriptor)(uint16_t *length);
+#if (USBD_SUPPORT_USER_STRING_DESC == 1U)
+ uint8_t *(*GetUsrStrDescriptor)(struct _USBD_HandleTypeDef *pdev, uint8_t index, uint16_t *length);
+#endif /* USBD_SUPPORT_USER_STRING_DESC */
+
+} USBD_ClassTypeDef;
+
+/* Following USB Device Speed */
+typedef enum
+{
+ USBD_SPEED_HIGH = 0U,
+ USBD_SPEED_FULL = 1U,
+ USBD_SPEED_LOW = 2U,
+} USBD_SpeedTypeDef;
+
+/* Following USB Device status */
+typedef enum
+{
+ USBD_OK = 0U,
+ USBD_BUSY,
+ USBD_EMEM,
+ USBD_FAIL,
+} USBD_StatusTypeDef;
+
+/* USB Device descriptors structure */
+typedef struct
+{
+ uint8_t *(*GetDeviceDescriptor)(USBD_SpeedTypeDef speed, uint16_t *length);
+ uint8_t *(*GetLangIDStrDescriptor)(USBD_SpeedTypeDef speed, uint16_t *length);
+ uint8_t *(*GetManufacturerStrDescriptor)(USBD_SpeedTypeDef speed, uint16_t *length);
+ uint8_t *(*GetProductStrDescriptor)(USBD_SpeedTypeDef speed, uint16_t *length);
+ uint8_t *(*GetSerialStrDescriptor)(USBD_SpeedTypeDef speed, uint16_t *length);
+ uint8_t *(*GetConfigurationStrDescriptor)(USBD_SpeedTypeDef speed, uint16_t *length);
+ uint8_t *(*GetInterfaceStrDescriptor)(USBD_SpeedTypeDef speed, uint16_t *length);
+#if (USBD_CLASS_USER_STRING_DESC == 1)
+ uint8_t *(*GetUserStrDescriptor)(USBD_SpeedTypeDef speed, uint8_t idx, uint16_t *length);
+#endif /* USBD_CLASS_USER_STRING_DESC */
+#if ((USBD_LPM_ENABLED == 1U) || (USBD_CLASS_BOS_ENABLED == 1))
+ uint8_t *(*GetBOSDescriptor)(USBD_SpeedTypeDef speed, uint16_t *length);
+#endif /* (USBD_LPM_ENABLED == 1U) || (USBD_CLASS_BOS_ENABLED == 1) */
+} USBD_DescriptorsTypeDef;
+
+/* USB Device handle structure */
+typedef struct
+{
+ uint32_t total_length;
+ uint32_t rem_length;
+ uint32_t bInterval;
+ uint16_t maxpacket;
+ uint8_t status;
+ uint8_t is_used;
+ uint8_t *pbuffer;
+} USBD_EndpointTypeDef;
+
+#ifdef USE_USBD_COMPOSITE
+typedef enum
+{
+ CLASS_TYPE_NONE = 0,
+ CLASS_TYPE_HID = 1,
+ CLASS_TYPE_CDC = 2,
+ CLASS_TYPE_MSC = 3,
+ CLASS_TYPE_DFU = 4,
+ CLASS_TYPE_CHID = 5,
+ CLASS_TYPE_AUDIO = 6,
+ CLASS_TYPE_ECM = 7,
+ CLASS_TYPE_RNDIS = 8,
+ CLASS_TYPE_MTP = 9,
+ CLASS_TYPE_VIDEO = 10,
+ CLASS_TYPE_PRINTER = 11,
+ CLASS_TYPE_CCID = 12,
+} USBD_CompositeClassTypeDef;
+
+
+/* USB Device handle structure */
+typedef struct
+{
+ uint8_t add;
+ uint8_t type;
+ uint8_t size;
+ uint8_t is_used;
+} USBD_EPTypeDef;
+
+/* USB Device handle structure */
+typedef struct
+{
+ USBD_CompositeClassTypeDef ClassType;
+ uint32_t ClassId;
+ uint32_t Active;
+ uint32_t NumEps;
+ USBD_EPTypeDef Eps[USBD_MAX_CLASS_ENDPOINTS];
+ uint8_t *EpAdd;
+ uint32_t NumIf;
+ uint8_t Ifs[USBD_MAX_CLASS_INTERFACES];
+ uint32_t CurrPcktSze;
+} USBD_CompositeElementTypeDef;
+#endif /* USE_USBD_COMPOSITE */
+
+/* USB Device handle structure */
+typedef struct _USBD_HandleTypeDef
+{
+ uint8_t id;
+ uint32_t dev_config;
+ uint32_t dev_default_config;
+ uint32_t dev_config_status;
+ USBD_SpeedTypeDef dev_speed;
+ USBD_EndpointTypeDef ep_in[16];
+ USBD_EndpointTypeDef ep_out[16];
+ __IO uint32_t ep0_state;
+ uint32_t ep0_data_len;
+ __IO uint8_t dev_state;
+ __IO uint8_t dev_old_state;
+ uint8_t dev_address;
+ uint8_t dev_connection_status;
+ uint8_t dev_test_mode;
+ uint32_t dev_remote_wakeup;
+ uint8_t ConfIdx;
+
+ USBD_SetupReqTypedef request;
+ USBD_DescriptorsTypeDef *pDesc;
+ USBD_ClassTypeDef *pClass[USBD_MAX_SUPPORTED_CLASS];
+ void *pClassData;
+ void *pClassDataCmsit[USBD_MAX_SUPPORTED_CLASS];
+ void *pUserData[USBD_MAX_SUPPORTED_CLASS];
+ void *pData;
+ void *pBosDesc;
+ void *pConfDesc;
+ uint32_t classId;
+ uint32_t NumClasses;
+#ifdef USE_USBD_COMPOSITE
+ USBD_CompositeElementTypeDef tclasslist[USBD_MAX_SUPPORTED_CLASS];
+#endif /* USE_USBD_COMPOSITE */
+#if (USBD_USER_REGISTER_CALLBACK == 1U)
+ void (* DevStateCallback)(uint8_t dev_state, uint8_t cfgidx); /*!< User Notification callback */
+#endif /* USBD_USER_REGISTER_CALLBACK */
+} USBD_HandleTypeDef;
+
+#if (USBD_USER_REGISTER_CALLBACK == 1U)
+typedef void (*USBD_DevStateCallbackTypeDef)(uint8_t dev_state, uint8_t cfgidx); /*!< pointer to User callback function */
+#endif /* USBD_USER_REGISTER_CALLBACK */
+
+/* USB Device endpoint direction */
+typedef enum
+{
+ OUT = 0x00,
+ IN = 0x80,
+} USBD_EPDirectionTypeDef;
+
+typedef enum
+{
+ NETWORK_CONNECTION = 0x00,
+ RESPONSE_AVAILABLE = 0x01,
+ CONNECTION_SPEED_CHANGE = 0x2A
+} USBD_CDC_NotifCodeTypeDef;
+/**
+ * @}
+ */
+
+
+
+/** @defgroup USBD_DEF_Exported_Macros
+ * @{
+ */
+__STATIC_INLINE uint16_t SWAPBYTE(uint8_t *addr)
+{
+ uint16_t _SwapVal;
+ uint16_t _Byte1;
+ uint16_t _Byte2;
+ uint8_t *_pbuff = addr;
+
+ _Byte1 = *(uint8_t *)_pbuff;
+ _pbuff++;
+ _Byte2 = *(uint8_t *)_pbuff;
+
+ _SwapVal = (_Byte2 << 8) | _Byte1;
+
+ return _SwapVal;
+}
+
+#ifndef LOBYTE
+#define LOBYTE(x) ((uint8_t)((x) & 0x00FFU))
+#endif /* LOBYTE */
+
+#ifndef HIBYTE
+#define HIBYTE(x) ((uint8_t)(((x) & 0xFF00U) >> 8U))
+#endif /* HIBYTE */
+
+#ifndef MIN
+#define MIN(a, b) (((a) < (b)) ? (a) : (b))
+#endif /* MIN */
+
+#ifndef MAX
+#define MAX(a, b) (((a) > (b)) ? (a) : (b))
+#endif /* MAX */
+
+#if defined ( __GNUC__ )
+#ifndef __weak
+#define __weak __attribute__((weak))
+#endif /* __weak */
+#ifndef __packed
+#define __packed __attribute__((__packed__))
+#endif /* __packed */
+#endif /* __GNUC__ */
+
+
+/* In HS mode and when the DMA is used, all variables and data structures dealing
+ with the DMA during the transaction process should be 4-bytes aligned */
+
+#if defined ( __GNUC__ ) && !defined (__CC_ARM) /* GNU Compiler */
+#ifndef __ALIGN_END
+#define __ALIGN_END __attribute__ ((aligned (4U)))
+#endif /* __ALIGN_END */
+#ifndef __ALIGN_BEGIN
+#define __ALIGN_BEGIN
+#endif /* __ALIGN_BEGIN */
+#else
+#ifndef __ALIGN_END
+#define __ALIGN_END
+#endif /* __ALIGN_END */
+#ifndef __ALIGN_BEGIN
+#if defined (__CC_ARM) /* ARM Compiler */
+#define __ALIGN_BEGIN __align(4U)
+#elif defined (__ICCARM__) /* IAR Compiler */
+#define __ALIGN_BEGIN
+#endif /* __CC_ARM */
+#endif /* __ALIGN_BEGIN */
+#endif /* __GNUC__ */
+
+
+/**
+ * @}
+ */
+
+/** @defgroup USBD_DEF_Exported_Variables
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+/** @defgroup USBD_DEF_Exported_FunctionsPrototype
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __USBD_DEF_H */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
diff --git a/Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_ioreq.h b/Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_ioreq.h
new file mode 100755
index 0000000..15197b9
--- /dev/null
+++ b/Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_ioreq.h
@@ -0,0 +1,113 @@
+/**
+ ******************************************************************************
+ * @file usbd_ioreq.h
+ * @author MCD Application Team
+ * @brief Header file for the usbd_ioreq.c file
+ ******************************************************************************
+ * @attention
+ *
+ * Copyright (c) 2015 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.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __USBD_IOREQ_H
+#define __USBD_IOREQ_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "usbd_def.h"
+#include "usbd_core.h"
+
+/** @addtogroup STM32_USB_DEVICE_LIBRARY
+ * @{
+ */
+
+/** @defgroup USBD_IOREQ
+ * @brief header file for the usbd_ioreq.c file
+ * @{
+ */
+
+/** @defgroup USBD_IOREQ_Exported_Defines
+ * @{
+ */
+/**
+ * @}
+ */
+
+
+/** @defgroup USBD_IOREQ_Exported_Types
+ * @{
+ */
+
+
+/**
+ * @}
+ */
+
+
+
+/** @defgroup USBD_IOREQ_Exported_Macros
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+/** @defgroup USBD_IOREQ_Exported_Variables
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+/** @defgroup USBD_IOREQ_Exported_FunctionsPrototype
+ * @{
+ */
+
+USBD_StatusTypeDef USBD_CtlSendData(USBD_HandleTypeDef *pdev,
+ uint8_t *pbuf, uint32_t len);
+
+USBD_StatusTypeDef USBD_CtlContinueSendData(USBD_HandleTypeDef *pdev,
+ uint8_t *pbuf, uint32_t len);
+
+USBD_StatusTypeDef USBD_CtlPrepareRx(USBD_HandleTypeDef *pdev,
+ uint8_t *pbuf, uint32_t len);
+
+USBD_StatusTypeDef USBD_CtlContinueRx(USBD_HandleTypeDef *pdev,
+ uint8_t *pbuf, uint32_t len);
+
+USBD_StatusTypeDef USBD_CtlSendStatus(USBD_HandleTypeDef *pdev);
+USBD_StatusTypeDef USBD_CtlReceiveStatus(USBD_HandleTypeDef *pdev);
+
+uint32_t USBD_GetRxCount(USBD_HandleTypeDef *pdev, uint8_t ep_addr);
+
+/**
+ * @}
+ */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __USBD_IOREQ_H */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
diff --git a/Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_core.c b/Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_core.c
new file mode 100755
index 0000000..bcf571e
--- /dev/null
+++ b/Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_core.c
@@ -0,0 +1,1221 @@
+/**
+ ******************************************************************************
+ * @file usbd_core.c
+ * @author MCD Application Team
+ * @brief This file provides all the USBD core functions.
+ ******************************************************************************
+ * @attention
+ *
+ * Copyright (c) 2015 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.
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "usbd_core.h"
+
+#ifdef USE_USBD_COMPOSITE
+#include "usbd_composite_builder.h"
+#endif /* USE_USBD_COMPOSITE */
+
+/** @addtogroup STM32_USBD_DEVICE_LIBRARY
+ * @{
+ */
+
+
+/** @defgroup USBD_CORE
+ * @brief usbd core module
+ * @{
+ */
+
+/** @defgroup USBD_CORE_Private_TypesDefinitions
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+
+/** @defgroup USBD_CORE_Private_Defines
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+
+/** @defgroup USBD_CORE_Private_Macros
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+
+/** @defgroup USBD_CORE_Private_FunctionPrototypes
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+/** @defgroup USBD_CORE_Private_Variables
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+
+/** @defgroup USBD_CORE_Private_Functions
+ * @{
+ */
+
+/**
+ * @brief USBD_Init
+ * Initialize the device stack and load the class driver
+ * @param pdev: device instance
+ * @param pdesc: Descriptor structure address
+ * @param id: Low level core index
+ * @retval status: USBD Status
+ */
+USBD_StatusTypeDef USBD_Init(USBD_HandleTypeDef *pdev,
+ USBD_DescriptorsTypeDef *pdesc, uint8_t id)
+{
+ USBD_StatusTypeDef ret;
+
+ /* Check whether the USB Host handle is valid */
+ if (pdev == NULL)
+ {
+#if (USBD_DEBUG_LEVEL > 1U)
+ USBD_ErrLog("Invalid Device handle");
+#endif /* (USBD_DEBUG_LEVEL > 1U) */
+ return USBD_FAIL;
+ }
+
+#ifdef USE_USBD_COMPOSITE
+ /* Parse the table of classes in use */
+ for (uint32_t i = 0; i < USBD_MAX_SUPPORTED_CLASS; i++)
+ {
+ /* Unlink previous class*/
+ pdev->pClass[i] = NULL;
+ pdev->pUserData[i] = NULL;
+
+ /* Set class as inactive */
+ pdev->tclasslist[i].Active = 0;
+ pdev->NumClasses = 0;
+ pdev->classId = 0;
+ }
+#else
+ /* Unlink previous class*/
+ pdev->pClass[0] = NULL;
+ pdev->pUserData[0] = NULL;
+#endif /* USE_USBD_COMPOSITE */
+
+ pdev->pConfDesc = NULL;
+
+ /* Assign USBD Descriptors */
+ if (pdesc != NULL)
+ {
+ pdev->pDesc = pdesc;
+ }
+
+ /* Set Device initial State */
+ pdev->dev_state = USBD_STATE_DEFAULT;
+ pdev->id = id;
+
+ /* Initialize low level driver */
+ ret = USBD_LL_Init(pdev);
+
+ return ret;
+}
+
+/**
+ * @brief USBD_DeInit
+ * De-Initialize the device library
+ * @param pdev: device instance
+ * @retval status: USBD Status
+ */
+USBD_StatusTypeDef USBD_DeInit(USBD_HandleTypeDef *pdev)
+{
+ USBD_StatusTypeDef ret;
+
+ /* Disconnect the USB Device */
+ (void)USBD_LL_Stop(pdev);
+
+ /* Set Default State */
+ pdev->dev_state = USBD_STATE_DEFAULT;
+
+#ifdef USE_USBD_COMPOSITE
+ /* Parse the table of classes in use */
+ for (uint32_t i = 0; i < USBD_MAX_SUPPORTED_CLASS; i++)
+ {
+ /* Check if current class is in use */
+ if ((pdev->tclasslist[i].Active) == 1U)
+ {
+ if (pdev->pClass[i] != NULL)
+ {
+ pdev->classId = i;
+ /* Free Class Resources */
+ pdev->pClass[i]->DeInit(pdev, (uint8_t)pdev->dev_config);
+ }
+ }
+ }
+#else
+ /* Free Class Resources */
+ if (pdev->pClass[0] != NULL)
+ {
+ pdev->pClass[0]->DeInit(pdev, (uint8_t)pdev->dev_config);
+ }
+
+ pdev->pUserData[0] = NULL;
+
+#endif /* USE_USBD_COMPOSITE */
+
+ /* Free Device descriptors resources */
+ pdev->pDesc = NULL;
+ pdev->pConfDesc = NULL;
+
+ /* DeInitialize low level driver */
+ ret = USBD_LL_DeInit(pdev);
+
+ return ret;
+}
+
+/**
+ * @brief USBD_RegisterClass
+ * Link class driver to Device Core.
+ * @param pdev: Device Handle
+ * @param pclass: Class handle
+ * @retval USBD Status
+ */
+USBD_StatusTypeDef USBD_RegisterClass(USBD_HandleTypeDef *pdev, USBD_ClassTypeDef *pclass)
+{
+ uint16_t len = 0U;
+
+ if (pclass == NULL)
+ {
+#if (USBD_DEBUG_LEVEL > 1U)
+ USBD_ErrLog("Invalid Class handle");
+#endif /* (USBD_DEBUG_LEVEL > 1U) */
+ return USBD_FAIL;
+ }
+
+ /* link the class to the USB Device handle */
+ pdev->pClass[0] = pclass;
+
+ /* Get Device Configuration Descriptor */
+#ifdef USE_USB_HS
+ if (pdev->pClass[pdev->classId]->GetHSConfigDescriptor != NULL)
+ {
+ pdev->pConfDesc = (void *)pdev->pClass[pdev->classId]->GetHSConfigDescriptor(&len);
+ }
+#else /* Default USE_USB_FS */
+ if (pdev->pClass[pdev->classId]->GetFSConfigDescriptor != NULL)
+ {
+ pdev->pConfDesc = (void *)pdev->pClass[pdev->classId]->GetFSConfigDescriptor(&len);
+ }
+#endif /* USE_USB_FS */
+
+ /* Increment the NumClasses */
+ pdev->NumClasses++;
+
+ return USBD_OK;
+}
+
+#ifdef USE_USBD_COMPOSITE
+/**
+ * @brief USBD_RegisterClassComposite
+ * Link class driver to Device Core.
+ * @param pdev : Device Handle
+ * @param pclass: Class handle
+ * @param classtype: Class type
+ * @param EpAddr: Endpoint Address handle
+ * @retval USBD Status
+ */
+USBD_StatusTypeDef USBD_RegisterClassComposite(USBD_HandleTypeDef *pdev, USBD_ClassTypeDef *pclass,
+ USBD_CompositeClassTypeDef classtype, uint8_t *EpAddr)
+{
+ USBD_StatusTypeDef ret = USBD_OK;
+ uint16_t len = 0U;
+
+ if ((pdev->classId < USBD_MAX_SUPPORTED_CLASS) && (pdev->NumClasses < USBD_MAX_SUPPORTED_CLASS))
+ {
+ if ((uint32_t)pclass != 0U)
+ {
+ /* Link the class to the USB Device handle */
+ pdev->pClass[pdev->classId] = pclass;
+ ret = USBD_OK;
+
+ pdev->tclasslist[pdev->classId].EpAdd = EpAddr;
+
+ /* Call the composite class builder */
+ (void)USBD_CMPSIT_AddClass(pdev, pclass, classtype, 0);
+
+ /* Increment the ClassId for the next occurrence */
+ pdev->classId ++;
+ pdev->NumClasses ++;
+ }
+ else
+ {
+#if (USBD_DEBUG_LEVEL > 1U)
+ USBD_ErrLog("Invalid Class handle");
+#endif /* (USBD_DEBUG_LEVEL > 1U) */
+ ret = USBD_FAIL;
+ }
+ }
+
+ if (ret == USBD_OK)
+ {
+ /* Get Device Configuration Descriptor */
+#ifdef USE_USB_HS
+ pdev->pConfDesc = USBD_CMPSIT.GetHSConfigDescriptor(&len);
+#else /* Default USE_USB_FS */
+ pdev->pConfDesc = USBD_CMPSIT.GetFSConfigDescriptor(&len);
+#endif /* USE_USB_FS */
+ }
+
+ return ret;
+}
+
+/**
+ * @brief USBD_UnRegisterClassComposite
+ * UnLink all composite class drivers from Device Core.
+ * @param pdev: Device Handle
+ * @retval USBD Status
+ */
+USBD_StatusTypeDef USBD_UnRegisterClassComposite(USBD_HandleTypeDef *pdev)
+{
+ USBD_StatusTypeDef ret = USBD_OK;
+ uint8_t idx1;
+ uint8_t idx2;
+
+ /* Unroll all activated classes */
+ for (idx1 = 0; idx1 < pdev->NumClasses; idx1++)
+ {
+ /* Check if the class correspond to the requested type and if it is active */
+ if (pdev->tclasslist[idx1].Active == 1U)
+ {
+ /* Set the new class ID */
+ pdev->classId = idx1;
+
+ /* Free resources used by the selected class */
+ if (pdev->pClass[pdev->classId] != NULL)
+ {
+ /* Free Class Resources */
+ if (pdev->pClass[pdev->classId]->DeInit(pdev, (uint8_t)pdev->dev_config) != 0U)
+ {
+#if (USBD_DEBUG_LEVEL > 1U)
+ USBD_ErrLog("Class DeInit didn't succeed!, can't unregister selected class");
+#endif /* (USBD_DEBUG_LEVEL > 1U) */
+
+ ret = USBD_FAIL;
+ }
+ }
+
+ /* Free the class pointer */
+ pdev->pClass[pdev->classId] = NULL;
+
+ /* Free the class location in classes table and reset its parameters to zero */
+ pdev->tclasslist[pdev->classId].ClassType = CLASS_TYPE_NONE;
+ pdev->tclasslist[pdev->classId].ClassId = 0U;
+ pdev->tclasslist[pdev->classId].Active = 0U;
+ pdev->tclasslist[pdev->classId].NumEps = 0U;
+ pdev->tclasslist[pdev->classId].NumIf = 0U;
+ pdev->tclasslist[pdev->classId].CurrPcktSze = 0U;
+
+ for (idx2 = 0U; idx2 < USBD_MAX_CLASS_ENDPOINTS; idx2++)
+ {
+ pdev->tclasslist[pdev->classId].Eps[idx2].add = 0U;
+ pdev->tclasslist[pdev->classId].Eps[idx2].type = 0U;
+ pdev->tclasslist[pdev->classId].Eps[idx2].size = 0U;
+ pdev->tclasslist[pdev->classId].Eps[idx2].is_used = 0U;
+ }
+
+ for (idx2 = 0U; idx2 < USBD_MAX_CLASS_INTERFACES; idx2++)
+ {
+ pdev->tclasslist[pdev->classId].Ifs[idx2] = 0U;
+ }
+ }
+ }
+
+ /* Reset the configuration descriptor */
+ (void)USBD_CMPST_ClearConfDesc(pdev);
+
+ /* Reset the class ID and number of classes */
+ pdev->classId = 0U;
+ pdev->NumClasses = 0U;
+
+ return ret;
+}
+#endif /* USE_USBD_COMPOSITE */
+
+#if (USBD_USER_REGISTER_CALLBACK == 1U)
+/**
+ * @brief USBD_RegisterDevStateCallback
+ * @param pdev : Device Handle
+ * @param pUserCallback: User Callback
+ * @retval USBD Status
+ */
+USBD_StatusTypeDef USBD_RegisterDevStateCallback(USBD_HandleTypeDef *pdev, USBD_DevStateCallbackTypeDef pUserCallback)
+{
+ pdev->DevStateCallback = pUserCallback;
+
+ return USBD_OK;
+}
+#endif /* USBD_USER_REGISTER_CALLBACK */
+
+/**
+ * @brief USBD_Start
+ * Start the USB Device Core.
+ * @param pdev: Device Handle
+ * @retval USBD Status
+ */
+USBD_StatusTypeDef USBD_Start(USBD_HandleTypeDef *pdev)
+{
+#ifdef USE_USBD_COMPOSITE
+ pdev->classId = 0U;
+#endif /* USE_USBD_COMPOSITE */
+
+ /* Start the low level driver */
+ return USBD_LL_Start(pdev);
+}
+
+/**
+ * @brief USBD_Stop
+ * Stop the USB Device Core.
+ * @param pdev: Device Handle
+ * @retval USBD Status
+ */
+USBD_StatusTypeDef USBD_Stop(USBD_HandleTypeDef *pdev)
+{
+ /* Disconnect USB Device */
+ (void)USBD_LL_Stop(pdev);
+
+ /* Free Class Resources */
+#ifdef USE_USBD_COMPOSITE
+ /* Parse the table of classes in use */
+ for (uint32_t i = 0U; i < USBD_MAX_SUPPORTED_CLASS; i++)
+ {
+ /* Check if current class is in use */
+ if ((pdev->tclasslist[i].Active) == 1U)
+ {
+ if (pdev->pClass[i] != NULL)
+ {
+ pdev->classId = i;
+ /* Free Class Resources */
+ (void)pdev->pClass[i]->DeInit(pdev, (uint8_t)pdev->dev_config);
+ }
+ }
+ }
+
+ /* Reset the class ID */
+ pdev->classId = 0U;
+#else
+ if (pdev->pClass[0] != NULL)
+ {
+ (void)pdev->pClass[0]->DeInit(pdev, (uint8_t)pdev->dev_config);
+ }
+#endif /* USE_USBD_COMPOSITE */
+
+ return USBD_OK;
+}
+
+/**
+ * @brief USBD_RunTestMode
+ * Launch test mode process
+ * @param pdev: device instance
+ * @retval status
+ */
+USBD_StatusTypeDef USBD_RunTestMode(USBD_HandleTypeDef *pdev)
+{
+#ifdef USBD_HS_TESTMODE_ENABLE
+ USBD_StatusTypeDef ret;
+
+ /* Run USB HS test mode */
+ ret = USBD_LL_SetTestMode(pdev, pdev->dev_test_mode);
+
+ return ret;
+#else
+ /* Prevent unused argument compilation warning */
+ UNUSED(pdev);
+
+ return USBD_OK;
+#endif /* USBD_HS_TESTMODE_ENABLE */
+}
+
+/**
+ * @brief USBD_SetClassConfig
+ * Configure device and start the interface
+ * @param pdev: device instance
+ * @param cfgidx: configuration index
+ * @retval status
+ */
+
+USBD_StatusTypeDef USBD_SetClassConfig(USBD_HandleTypeDef *pdev, uint8_t cfgidx)
+{
+ USBD_StatusTypeDef ret = USBD_OK;
+
+#ifdef USE_USBD_COMPOSITE
+ /* Parse the table of classes in use */
+ for (uint32_t i = 0U; i < USBD_MAX_SUPPORTED_CLASS; i++)
+ {
+ /* Check if current class is in use */
+ if ((pdev->tclasslist[i].Active) == 1U)
+ {
+ if (pdev->pClass[i] != NULL)
+ {
+ pdev->classId = i;
+ /* Set configuration and Start the Class*/
+ if (pdev->pClass[i]->Init(pdev, cfgidx) != 0U)
+ {
+ ret = USBD_FAIL;
+ }
+ }
+ }
+ }
+#else
+ if (pdev->pClass[0] != NULL)
+ {
+ /* Set configuration and Start the Class */
+ ret = (USBD_StatusTypeDef)pdev->pClass[0]->Init(pdev, cfgidx);
+ }
+#endif /* USE_USBD_COMPOSITE */
+
+ return ret;
+}
+
+/**
+ * @brief USBD_ClrClassConfig
+ * Clear current configuration
+ * @param pdev: device instance
+ * @param cfgidx: configuration index
+ * @retval status
+ */
+USBD_StatusTypeDef USBD_ClrClassConfig(USBD_HandleTypeDef *pdev, uint8_t cfgidx)
+{
+ USBD_StatusTypeDef ret = USBD_OK;
+
+#ifdef USE_USBD_COMPOSITE
+ /* Parse the table of classes in use */
+ for (uint32_t i = 0U; i < USBD_MAX_SUPPORTED_CLASS; i++)
+ {
+ /* Check if current class is in use */
+ if ((pdev->tclasslist[i].Active) == 1U)
+ {
+ if (pdev->pClass[i] != NULL)
+ {
+ pdev->classId = i;
+ /* Clear configuration and De-initialize the Class process */
+ if (pdev->pClass[i]->DeInit(pdev, cfgidx) != 0U)
+ {
+ ret = USBD_FAIL;
+ }
+ }
+ }
+ }
+#else
+ /* Clear configuration and De-initialize the Class process */
+ if (pdev->pClass[0]->DeInit(pdev, cfgidx) != 0U)
+ {
+ ret = USBD_FAIL;
+ }
+#endif /* USE_USBD_COMPOSITE */
+
+ return ret;
+}
+
+
+/**
+ * @brief USBD_LL_SetupStage
+ * Handle the setup stage
+ * @param pdev: device instance
+ * @param psetup: setup packet buffer pointer
+ * @retval status
+ */
+USBD_StatusTypeDef USBD_LL_SetupStage(USBD_HandleTypeDef *pdev, uint8_t *psetup)
+{
+ USBD_StatusTypeDef ret;
+
+ USBD_ParseSetupRequest(&pdev->request, psetup);
+
+ pdev->ep0_state = USBD_EP0_SETUP;
+
+ pdev->ep0_data_len = pdev->request.wLength;
+
+ switch (pdev->request.bmRequest & 0x1FU)
+ {
+ case USB_REQ_RECIPIENT_DEVICE:
+ ret = USBD_StdDevReq(pdev, &pdev->request);
+ break;
+
+ case USB_REQ_RECIPIENT_INTERFACE:
+ ret = USBD_StdItfReq(pdev, &pdev->request);
+ break;
+
+ case USB_REQ_RECIPIENT_ENDPOINT:
+ ret = USBD_StdEPReq(pdev, &pdev->request);
+ break;
+
+ default:
+ ret = USBD_LL_StallEP(pdev, (pdev->request.bmRequest & 0x80U));
+ break;
+ }
+
+ return ret;
+}
+
+/**
+ * @brief USBD_LL_DataOutStage
+ * Handle data OUT stage
+ * @param pdev: device instance
+ * @param epnum: endpoint index
+ * @param pdata: data pointer
+ * @retval status
+ */
+USBD_StatusTypeDef USBD_LL_DataOutStage(USBD_HandleTypeDef *pdev,
+ uint8_t epnum, uint8_t *pdata)
+{
+ USBD_EndpointTypeDef *pep;
+ USBD_StatusTypeDef ret = USBD_OK;
+ uint8_t idx;
+
+ UNUSED(pdata);
+
+ if (epnum == 0U)
+ {
+ pep = &pdev->ep_out[0];
+
+ if (pdev->ep0_state == USBD_EP0_DATA_OUT)
+ {
+ if (pep->rem_length > pep->maxpacket)
+ {
+ pep->rem_length -= pep->maxpacket;
+ pep->pbuffer += pep->maxpacket;
+
+ (void)USBD_CtlContinueRx(pdev, pep->pbuffer, MAX(pep->rem_length, pep->maxpacket));
+ }
+ else
+ {
+ /* Find the class ID relative to the current request */
+ switch (pdev->request.bmRequest & 0x1FU)
+ {
+ case USB_REQ_RECIPIENT_DEVICE:
+ /* Device requests must be managed by the first instantiated class
+ (or duplicated by all classes for simplicity) */
+ idx = 0U;
+ break;
+
+ case USB_REQ_RECIPIENT_INTERFACE:
+ idx = USBD_CoreFindIF(pdev, LOBYTE(pdev->request.wIndex));
+ break;
+
+ case USB_REQ_RECIPIENT_ENDPOINT:
+ idx = USBD_CoreFindEP(pdev, LOBYTE(pdev->request.wIndex));
+ break;
+
+ default:
+ /* Back to the first class in case of doubt */
+ idx = 0U;
+ break;
+ }
+
+ if (idx < USBD_MAX_SUPPORTED_CLASS)
+ {
+ /* Setup the class ID and route the request to the relative class function */
+ if (pdev->dev_state == USBD_STATE_CONFIGURED)
+ {
+ if (pdev->pClass[idx]->EP0_RxReady != NULL)
+ {
+ pdev->classId = idx;
+ pdev->pClass[idx]->EP0_RxReady(pdev);
+ }
+ }
+ }
+
+ (void)USBD_CtlSendStatus(pdev);
+ }
+ }
+ }
+ else
+ {
+ /* Get the class index relative to this interface */
+ idx = USBD_CoreFindEP(pdev, (epnum & 0x7FU));
+
+ if (((uint16_t)idx != 0xFFU) && (idx < USBD_MAX_SUPPORTED_CLASS))
+ {
+ /* Call the class data out function to manage the request */
+ if (pdev->dev_state == USBD_STATE_CONFIGURED)
+ {
+ if (pdev->pClass[idx]->DataOut != NULL)
+ {
+ pdev->classId = idx;
+ ret = (USBD_StatusTypeDef)pdev->pClass[idx]->DataOut(pdev, epnum);
+ }
+ }
+ if (ret != USBD_OK)
+ {
+ return ret;
+ }
+ }
+ }
+
+ return USBD_OK;
+}
+
+/**
+ * @brief USBD_LL_DataInStage
+ * Handle data in stage
+ * @param pdev: device instance
+ * @param epnum: endpoint index
+ * @param pdata: data pointer
+ * @retval status
+ */
+USBD_StatusTypeDef USBD_LL_DataInStage(USBD_HandleTypeDef *pdev,
+ uint8_t epnum, uint8_t *pdata)
+{
+ USBD_EndpointTypeDef *pep;
+ USBD_StatusTypeDef ret;
+ uint8_t idx;
+
+ UNUSED(pdata);
+
+ if (epnum == 0U)
+ {
+ pep = &pdev->ep_in[0];
+
+ if (pdev->ep0_state == USBD_EP0_DATA_IN)
+ {
+ if (pep->rem_length > pep->maxpacket)
+ {
+ pep->rem_length -= pep->maxpacket;
+ pep->pbuffer += pep->maxpacket;
+
+ (void)USBD_CtlContinueSendData(pdev, pep->pbuffer, pep->rem_length);
+
+ /* Prepare endpoint for premature end of transfer */
+ (void)USBD_LL_PrepareReceive(pdev, 0U, NULL, 0U);
+ }
+ else
+ {
+ /* last packet is MPS multiple, so send ZLP packet */
+ if ((pep->maxpacket == pep->rem_length) &&
+ (pep->total_length >= pep->maxpacket) &&
+ (pep->total_length < pdev->ep0_data_len))
+ {
+ (void)USBD_CtlContinueSendData(pdev, NULL, 0U);
+ pdev->ep0_data_len = 0U;
+
+ /* Prepare endpoint for premature end of transfer */
+ (void)USBD_LL_PrepareReceive(pdev, 0U, NULL, 0U);
+ }
+ else
+ {
+ if (pdev->dev_state == USBD_STATE_CONFIGURED)
+ {
+ if (pdev->pClass[0]->EP0_TxSent != NULL)
+ {
+ pdev->classId = 0U;
+ pdev->pClass[0]->EP0_TxSent(pdev);
+ }
+ }
+ (void)USBD_LL_StallEP(pdev, 0x80U);
+ (void)USBD_CtlReceiveStatus(pdev);
+ }
+ }
+ }
+
+ if (pdev->dev_test_mode != 0U)
+ {
+ (void)USBD_RunTestMode(pdev);
+ pdev->dev_test_mode = 0U;
+ }
+ }
+ else
+ {
+ /* Get the class index relative to this interface */
+ idx = USBD_CoreFindEP(pdev, ((uint8_t)epnum | 0x80U));
+
+ if (((uint16_t)idx != 0xFFU) && (idx < USBD_MAX_SUPPORTED_CLASS))
+ {
+ /* Call the class data out function to manage the request */
+ if (pdev->dev_state == USBD_STATE_CONFIGURED)
+ {
+ if (pdev->pClass[idx]->DataIn != NULL)
+ {
+ pdev->classId = idx;
+ ret = (USBD_StatusTypeDef)pdev->pClass[idx]->DataIn(pdev, epnum);
+
+ if (ret != USBD_OK)
+ {
+ return ret;
+ }
+ }
+ }
+ }
+ }
+
+ return USBD_OK;
+}
+
+/**
+ * @brief USBD_LL_Reset
+ * Handle Reset event
+ * @param pdev: device instance
+ * @retval status
+ */
+USBD_StatusTypeDef USBD_LL_Reset(USBD_HandleTypeDef *pdev)
+{
+ USBD_StatusTypeDef ret = USBD_OK;
+
+ /* Upon Reset call user call back */
+ pdev->dev_state = USBD_STATE_DEFAULT;
+ pdev->ep0_state = USBD_EP0_IDLE;
+ pdev->dev_config = 0U;
+ pdev->dev_remote_wakeup = 0U;
+ pdev->dev_test_mode = 0U;
+
+#ifdef USE_USBD_COMPOSITE
+ /* Parse the table of classes in use */
+ for (uint32_t i = 0U; i < USBD_MAX_SUPPORTED_CLASS; i++)
+ {
+ /* Check if current class is in use */
+ if ((pdev->tclasslist[i].Active) == 1U)
+ {
+ if (pdev->pClass[i] != NULL)
+ {
+ pdev->classId = i;
+ /* Clear configuration and De-initialize the Class process*/
+
+ if (pdev->pClass[i]->DeInit != NULL)
+ {
+ if (pdev->pClass[i]->DeInit(pdev, (uint8_t)pdev->dev_config) != USBD_OK)
+ {
+ ret = USBD_FAIL;
+ }
+ }
+ }
+ }
+ }
+#else
+
+ if (pdev->pClass[0] != NULL)
+ {
+ if (pdev->pClass[0]->DeInit != NULL)
+ {
+ if (pdev->pClass[0]->DeInit(pdev, (uint8_t)pdev->dev_config) != USBD_OK)
+ {
+ ret = USBD_FAIL;
+ }
+ }
+ }
+#endif /* USE_USBD_COMPOSITE */
+
+ /* Open EP0 OUT */
+ (void)USBD_LL_OpenEP(pdev, 0x00U, USBD_EP_TYPE_CTRL, USB_MAX_EP0_SIZE);
+ pdev->ep_out[0x00U & 0xFU].is_used = 1U;
+
+ pdev->ep_out[0].maxpacket = USB_MAX_EP0_SIZE;
+
+ /* Open EP0 IN */
+ (void)USBD_LL_OpenEP(pdev, 0x80U, USBD_EP_TYPE_CTRL, USB_MAX_EP0_SIZE);
+ pdev->ep_in[0x80U & 0xFU].is_used = 1U;
+
+ pdev->ep_in[0].maxpacket = USB_MAX_EP0_SIZE;
+
+ return ret;
+}
+
+/**
+ * @brief USBD_LL_SetSpeed
+ * Handle Reset event
+ * @param pdev: device instance
+ * @retval status
+ */
+USBD_StatusTypeDef USBD_LL_SetSpeed(USBD_HandleTypeDef *pdev,
+ USBD_SpeedTypeDef speed)
+{
+ pdev->dev_speed = speed;
+
+ return USBD_OK;
+}
+
+/**
+ * @brief USBD_LL_Suspend
+ * Handle Suspend event
+ * @param pdev: device instance
+ * @retval status
+ */
+USBD_StatusTypeDef USBD_LL_Suspend(USBD_HandleTypeDef *pdev)
+{
+ if (pdev->dev_state != USBD_STATE_SUSPENDED)
+ {
+ pdev->dev_old_state = pdev->dev_state;
+ }
+
+ pdev->dev_state = USBD_STATE_SUSPENDED;
+
+ return USBD_OK;
+}
+
+/**
+ * @brief USBD_LL_Resume
+ * Handle Resume event
+ * @param pdev: device instance
+ * @retval status
+ */
+USBD_StatusTypeDef USBD_LL_Resume(USBD_HandleTypeDef *pdev)
+{
+ if (pdev->dev_state == USBD_STATE_SUSPENDED)
+ {
+ pdev->dev_state = pdev->dev_old_state;
+ }
+
+ return USBD_OK;
+}
+
+/**
+ * @brief USBD_LL_SOF
+ * Handle SOF event
+ * @param pdev: device instance
+ * @retval status
+ */
+USBD_StatusTypeDef USBD_LL_SOF(USBD_HandleTypeDef *pdev)
+{
+ /* The SOF event can be distributed for all classes that support it */
+ if (pdev->dev_state == USBD_STATE_CONFIGURED)
+ {
+#ifdef USE_USBD_COMPOSITE
+ /* Parse the table of classes in use */
+ for (uint32_t i = 0; i < USBD_MAX_SUPPORTED_CLASS; i++)
+ {
+ /* Check if current class is in use */
+ if ((pdev->tclasslist[i].Active) == 1U)
+ {
+ if (pdev->pClass[i] != NULL)
+ {
+ if (pdev->pClass[i]->SOF != NULL)
+ {
+ pdev->classId = i;
+ (void)pdev->pClass[i]->SOF(pdev);
+ }
+ }
+ }
+ }
+#else
+ if (pdev->pClass[0] != NULL)
+ {
+ if (pdev->pClass[0]->SOF != NULL)
+ {
+ (void)pdev->pClass[0]->SOF(pdev);
+ }
+ }
+#endif /* USE_USBD_COMPOSITE */
+ }
+
+ return USBD_OK;
+}
+
+/**
+ * @brief USBD_LL_IsoINIncomplete
+ * Handle iso in incomplete event
+ * @param pdev: device instance
+ * @param epnum: Endpoint number
+ * @retval status
+ */
+USBD_StatusTypeDef USBD_LL_IsoINIncomplete(USBD_HandleTypeDef *pdev,
+ uint8_t epnum)
+{
+ if (pdev->pClass[pdev->classId] == NULL)
+ {
+ return USBD_FAIL;
+ }
+
+ if (pdev->dev_state == USBD_STATE_CONFIGURED)
+ {
+ if (pdev->pClass[pdev->classId]->IsoINIncomplete != NULL)
+ {
+ (void)pdev->pClass[pdev->classId]->IsoINIncomplete(pdev, epnum);
+ }
+ }
+
+ return USBD_OK;
+}
+
+/**
+ * @brief USBD_LL_IsoOUTIncomplete
+ * Handle iso out incomplete event
+ * @param pdev: device instance
+ * @param epnum: Endpoint number
+ * @retval status
+ */
+USBD_StatusTypeDef USBD_LL_IsoOUTIncomplete(USBD_HandleTypeDef *pdev,
+ uint8_t epnum)
+{
+ if (pdev->pClass[pdev->classId] == NULL)
+ {
+ return USBD_FAIL;
+ }
+
+ if (pdev->dev_state == USBD_STATE_CONFIGURED)
+ {
+ if (pdev->pClass[pdev->classId]->IsoOUTIncomplete != NULL)
+ {
+ (void)pdev->pClass[pdev->classId]->IsoOUTIncomplete(pdev, epnum);
+ }
+ }
+
+ return USBD_OK;
+}
+
+/**
+ * @brief USBD_LL_DevConnected
+ * Handle device connection event
+ * @param pdev: device instance
+ * @retval status
+ */
+USBD_StatusTypeDef USBD_LL_DevConnected(USBD_HandleTypeDef *pdev)
+{
+ /* Prevent unused argument compilation warning */
+ UNUSED(pdev);
+
+ return USBD_OK;
+}
+
+/**
+ * @brief USBD_LL_DevDisconnected
+ * Handle device disconnection event
+ * @param pdev: device instance
+ * @retval status
+ */
+USBD_StatusTypeDef USBD_LL_DevDisconnected(USBD_HandleTypeDef *pdev)
+{
+ USBD_StatusTypeDef ret = USBD_OK;
+
+ /* Free Class Resources */
+ pdev->dev_state = USBD_STATE_DEFAULT;
+
+#ifdef USE_USBD_COMPOSITE
+ /* Parse the table of classes in use */
+ for (uint32_t i = 0; i < USBD_MAX_SUPPORTED_CLASS; i++)
+ {
+ /* Check if current class is in use */
+ if ((pdev->tclasslist[i].Active) == 1U)
+ {
+ if (pdev->pClass[i] != NULL)
+ {
+ pdev->classId = i;
+ /* Clear configuration and De-initialize the Class process*/
+ if (pdev->pClass[i]->DeInit(pdev, (uint8_t)pdev->dev_config) != 0U)
+ {
+ ret = USBD_FAIL;
+ }
+ }
+ }
+ }
+#else
+ if (pdev->pClass[0] != NULL)
+ {
+ if (pdev->pClass[0]->DeInit(pdev, (uint8_t)pdev->dev_config) != 0U)
+ {
+ ret = USBD_FAIL;
+ }
+ }
+#endif /* USE_USBD_COMPOSITE */
+
+ return ret;
+}
+
+/**
+ * @brief USBD_CoreFindIF
+ * return the class index relative to the selected interface
+ * @param pdev: device instance
+ * @param index : selected interface number
+ * @retval index of the class using the selected interface number. OxFF if no class found.
+ */
+uint8_t USBD_CoreFindIF(USBD_HandleTypeDef *pdev, uint8_t index)
+{
+#ifdef USE_USBD_COMPOSITE
+ /* Parse the table of classes in use */
+ for (uint32_t i = 0U; i < USBD_MAX_SUPPORTED_CLASS; i++)
+ {
+ /* Check if current class is in use */
+ if ((pdev->tclasslist[i].Active) == 1U)
+ {
+ /* Parse all interfaces listed in the current class */
+ for (uint32_t j = 0U; j < pdev->tclasslist[i].NumIf; j++)
+ {
+ /* Check if requested Interface matches the current class interface */
+ if (pdev->tclasslist[i].Ifs[j] == index)
+ {
+ if (pdev->pClass[i]->Setup != NULL)
+ {
+ return (uint8_t)i;
+ }
+ }
+ }
+ }
+ }
+
+ return 0xFFU;
+#else
+ UNUSED(pdev);
+ UNUSED(index);
+
+ return 0x00U;
+#endif /* USE_USBD_COMPOSITE */
+}
+
+/**
+ * @brief USBD_CoreFindEP
+ * return the class index relative to the selected endpoint
+ * @param pdev: device instance
+ * @param index : selected endpoint number
+ * @retval index of the class using the selected endpoint number. 0xFF if no class found.
+ */
+uint8_t USBD_CoreFindEP(USBD_HandleTypeDef *pdev, uint8_t index)
+{
+#ifdef USE_USBD_COMPOSITE
+ /* Parse the table of classes in use */
+ for (uint32_t i = 0U; i < USBD_MAX_SUPPORTED_CLASS; i++)
+ {
+ /* Check if current class is in use */
+ if ((pdev->tclasslist[i].Active) == 1U)
+ {
+ /* Parse all endpoints listed in the current class */
+ for (uint32_t j = 0U; j < pdev->tclasslist[i].NumEps; j++)
+ {
+ /* Check if requested endpoint matches the current class endpoint */
+ if (pdev->tclasslist[i].Eps[j].add == index)
+ {
+ if (pdev->pClass[i]->Setup != NULL)
+ {
+ return (uint8_t)i;
+ }
+ }
+ }
+ }
+ }
+
+ return 0xFFU;
+#else
+ UNUSED(pdev);
+ UNUSED(index);
+
+ return 0x00U;
+#endif /* USE_USBD_COMPOSITE */
+}
+
+#ifdef USE_USBD_COMPOSITE
+/**
+ * @brief USBD_CoreGetEPAdd
+ * Get the endpoint address relative to a selected class
+ * @param pdev: device instance
+ * @param ep_dir: USBD_EP_IN or USBD_EP_OUT
+ * @param ep_type: USBD_EP_TYPE_CTRL, USBD_EP_TYPE_ISOC, USBD_EP_TYPE_BULK or USBD_EP_TYPE_INTR
+ * @param ClassId: The Class ID
+ * @retval Address of the selected endpoint or 0xFFU if no endpoint found.
+ */
+uint8_t USBD_CoreGetEPAdd(USBD_HandleTypeDef *pdev, uint8_t ep_dir, uint8_t ep_type, uint8_t ClassId)
+{
+ uint8_t idx;
+
+ /* Find the EP address in the selected class table */
+ for (idx = 0; idx < pdev->tclasslist[ClassId].NumEps; idx++)
+ {
+ if (((pdev->tclasslist[ClassId].Eps[idx].add & USBD_EP_IN) == ep_dir) && \
+ (pdev->tclasslist[ClassId].Eps[idx].type == ep_type) && \
+ (pdev->tclasslist[ClassId].Eps[idx].is_used != 0U))
+ {
+ return (pdev->tclasslist[ClassId].Eps[idx].add);
+ }
+ }
+
+ /* If reaching this point, then no endpoint was found */
+ return 0xFFU;
+}
+#endif /* USE_USBD_COMPOSITE */
+
+/**
+ * @brief USBD_GetEpDesc
+ * This function return the Endpoint descriptor
+ * @param pdev: device instance
+ * @param pConfDesc: pointer to Bos descriptor
+ * @param EpAddr: endpoint address
+ * @retval pointer to video endpoint descriptor
+ */
+void *USBD_GetEpDesc(uint8_t *pConfDesc, uint8_t EpAddr)
+{
+ USBD_DescHeaderTypeDef *pdesc = (USBD_DescHeaderTypeDef *)(void *)pConfDesc;
+ USBD_ConfigDescTypeDef *desc = (USBD_ConfigDescTypeDef *)(void *)pConfDesc;
+ USBD_EpDescTypeDef *pEpDesc = NULL;
+ uint16_t ptr;
+
+ if (desc->wTotalLength > desc->bLength)
+ {
+ ptr = desc->bLength;
+
+ while (ptr < desc->wTotalLength)
+ {
+ pdesc = USBD_GetNextDesc((uint8_t *)pdesc, &ptr);
+
+ if (pdesc->bDescriptorType == USB_DESC_TYPE_ENDPOINT)
+ {
+ pEpDesc = (USBD_EpDescTypeDef *)(void *)pdesc;
+
+ if (pEpDesc->bEndpointAddress == EpAddr)
+ {
+ break;
+ }
+ else
+ {
+ pEpDesc = NULL;
+ }
+ }
+ }
+ }
+
+ return (void *)pEpDesc;
+}
+
+/**
+ * @brief USBD_GetNextDesc
+ * This function return the next descriptor header
+ * @param buf: Buffer where the descriptor is available
+ * @param ptr: data pointer inside the descriptor
+ * @retval next header
+ */
+USBD_DescHeaderTypeDef *USBD_GetNextDesc(uint8_t *pbuf, uint16_t *ptr)
+{
+ USBD_DescHeaderTypeDef *pnext = (USBD_DescHeaderTypeDef *)(void *)pbuf;
+
+ *ptr += pnext->bLength;
+ pnext = (USBD_DescHeaderTypeDef *)(void *)(pbuf + pnext->bLength);
+
+ return (pnext);
+}
+
+/**
+ * @}
+ */
+
+
+/**
+ * @}
+ */
+
+
+/**
+ * @}
+ */
+
diff --git a/Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ctlreq.c b/Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ctlreq.c
new file mode 100755
index 0000000..814b810
--- /dev/null
+++ b/Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ctlreq.c
@@ -0,0 +1,1058 @@
+/**
+ ******************************************************************************
+ * @file usbd_req.c
+ * @author MCD Application Team
+ * @brief This file provides the standard USB requests following chapter 9.
+ ******************************************************************************
+ * @attention
+ *
+ * Copyright (c) 2015 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.
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "usbd_ctlreq.h"
+#include "usbd_ioreq.h"
+
+#ifdef USE_USBD_COMPOSITE
+#include "usbd_composite_builder.h"
+#endif /* USE_USBD_COMPOSITE */
+
+/** @addtogroup STM32_USBD_STATE_DEVICE_LIBRARY
+ * @{
+ */
+
+
+/** @defgroup USBD_REQ
+ * @brief USB standard requests module
+ * @{
+ */
+
+/** @defgroup USBD_REQ_Private_TypesDefinitions
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+
+/** @defgroup USBD_REQ_Private_Defines
+ * @{
+ */
+#ifndef USBD_MAX_STR_DESC_SIZ
+#define USBD_MAX_STR_DESC_SIZ 64U
+#endif /* USBD_MAX_STR_DESC_SIZ */
+/**
+ * @}
+ */
+
+
+/** @defgroup USBD_REQ_Private_Macros
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+
+/** @defgroup USBD_REQ_Private_Variables
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+
+/** @defgroup USBD_REQ_Private_FunctionPrototypes
+ * @{
+ */
+static void USBD_GetDescriptor(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req);
+static void USBD_SetAddress(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req);
+static USBD_StatusTypeDef USBD_SetConfig(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req);
+static void USBD_GetConfig(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req);
+static void USBD_GetStatus(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req);
+static void USBD_SetFeature(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req);
+static void USBD_ClrFeature(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req);
+static uint8_t USBD_GetLen(uint8_t *buf);
+
+/**
+ * @}
+ */
+
+
+/** @defgroup USBD_REQ_Private_Functions
+ * @{
+ */
+
+
+/**
+ * @brief USBD_StdDevReq
+ * Handle standard usb device requests
+ * @param pdev: device instance
+ * @param req: usb request
+ * @retval status
+ */
+USBD_StatusTypeDef USBD_StdDevReq(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req)
+{
+ USBD_StatusTypeDef ret = USBD_OK;
+
+ switch (req->bmRequest & USB_REQ_TYPE_MASK)
+ {
+ case USB_REQ_TYPE_CLASS:
+ case USB_REQ_TYPE_VENDOR:
+ ret = (USBD_StatusTypeDef)pdev->pClass[pdev->classId]->Setup(pdev, req);
+ break;
+
+ case USB_REQ_TYPE_STANDARD:
+ switch (req->bRequest)
+ {
+ case USB_REQ_GET_DESCRIPTOR:
+ USBD_GetDescriptor(pdev, req);
+ break;
+
+ case USB_REQ_SET_ADDRESS:
+ USBD_SetAddress(pdev, req);
+ break;
+
+ case USB_REQ_SET_CONFIGURATION:
+ ret = USBD_SetConfig(pdev, req);
+ break;
+
+ case USB_REQ_GET_CONFIGURATION:
+ USBD_GetConfig(pdev, req);
+ break;
+
+ case USB_REQ_GET_STATUS:
+ USBD_GetStatus(pdev, req);
+ break;
+
+ case USB_REQ_SET_FEATURE:
+ USBD_SetFeature(pdev, req);
+ break;
+
+ case USB_REQ_CLEAR_FEATURE:
+ USBD_ClrFeature(pdev, req);
+ break;
+
+ default:
+ USBD_CtlError(pdev, req);
+ break;
+ }
+ break;
+
+ default:
+ USBD_CtlError(pdev, req);
+ break;
+ }
+
+ return ret;
+}
+
+/**
+ * @brief USBD_StdItfReq
+ * Handle standard usb interface requests
+ * @param pdev: device instance
+ * @param req: usb request
+ * @retval status
+ */
+USBD_StatusTypeDef USBD_StdItfReq(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req)
+{
+ USBD_StatusTypeDef ret = USBD_OK;
+ uint8_t idx;
+
+ switch (req->bmRequest & USB_REQ_TYPE_MASK)
+ {
+ case USB_REQ_TYPE_CLASS:
+ case USB_REQ_TYPE_VENDOR:
+ case USB_REQ_TYPE_STANDARD:
+ switch (pdev->dev_state)
+ {
+ case USBD_STATE_DEFAULT:
+ case USBD_STATE_ADDRESSED:
+ case USBD_STATE_CONFIGURED:
+
+ if (LOBYTE(req->wIndex) <= USBD_MAX_NUM_INTERFACES)
+ {
+ /* Get the class index relative to this interface */
+ idx = USBD_CoreFindIF(pdev, LOBYTE(req->wIndex));
+ if (((uint8_t)idx != 0xFFU) && (idx < USBD_MAX_SUPPORTED_CLASS))
+ {
+ /* Call the class data out function to manage the request */
+ if (pdev->pClass[idx]->Setup != NULL)
+ {
+ pdev->classId = idx;
+ ret = (USBD_StatusTypeDef)(pdev->pClass[idx]->Setup(pdev, req));
+ }
+ else
+ {
+ /* should never reach this condition */
+ ret = USBD_FAIL;
+ }
+ }
+ else
+ {
+ /* No relative interface found */
+ ret = USBD_FAIL;
+ }
+
+ if ((req->wLength == 0U) && (ret == USBD_OK))
+ {
+ (void)USBD_CtlSendStatus(pdev);
+ }
+ }
+ else
+ {
+ USBD_CtlError(pdev, req);
+ }
+ break;
+
+ default:
+ USBD_CtlError(pdev, req);
+ break;
+ }
+ break;
+
+ default:
+ USBD_CtlError(pdev, req);
+ break;
+ }
+
+ return ret;
+}
+
+/**
+ * @brief USBD_StdEPReq
+ * Handle standard usb endpoint requests
+ * @param pdev: device instance
+ * @param req: usb request
+ * @retval status
+ */
+USBD_StatusTypeDef USBD_StdEPReq(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req)
+{
+ USBD_EndpointTypeDef *pep;
+ uint8_t ep_addr;
+ uint8_t idx;
+ USBD_StatusTypeDef ret = USBD_OK;
+
+ ep_addr = LOBYTE(req->wIndex);
+
+ switch (req->bmRequest & USB_REQ_TYPE_MASK)
+ {
+ case USB_REQ_TYPE_CLASS:
+ case USB_REQ_TYPE_VENDOR:
+ /* Get the class index relative to this endpoint */
+ idx = USBD_CoreFindEP(pdev, ep_addr);
+ if (((uint8_t)idx != 0xFFU) && (idx < USBD_MAX_SUPPORTED_CLASS))
+ {
+ pdev->classId = idx;
+ /* Call the class data out function to manage the request */
+ if (pdev->pClass[idx]->Setup != NULL)
+ {
+ ret = (USBD_StatusTypeDef)pdev->pClass[idx]->Setup(pdev, req);
+ }
+ }
+ break;
+
+ case USB_REQ_TYPE_STANDARD:
+ switch (req->bRequest)
+ {
+ case USB_REQ_SET_FEATURE:
+ switch (pdev->dev_state)
+ {
+ case USBD_STATE_ADDRESSED:
+ if ((ep_addr != 0x00U) && (ep_addr != 0x80U))
+ {
+ (void)USBD_LL_StallEP(pdev, ep_addr);
+ (void)USBD_LL_StallEP(pdev, 0x80U);
+ }
+ else
+ {
+ USBD_CtlError(pdev, req);
+ }
+ break;
+
+ case USBD_STATE_CONFIGURED:
+ if (req->wValue == USB_FEATURE_EP_HALT)
+ {
+ if ((ep_addr != 0x00U) && (ep_addr != 0x80U) && (req->wLength == 0x00U))
+ {
+ (void)USBD_LL_StallEP(pdev, ep_addr);
+ }
+ }
+ (void)USBD_CtlSendStatus(pdev);
+
+ break;
+
+ default:
+ USBD_CtlError(pdev, req);
+ break;
+ }
+ break;
+
+ case USB_REQ_CLEAR_FEATURE:
+
+ switch (pdev->dev_state)
+ {
+ case USBD_STATE_ADDRESSED:
+ if ((ep_addr != 0x00U) && (ep_addr != 0x80U))
+ {
+ (void)USBD_LL_StallEP(pdev, ep_addr);
+ (void)USBD_LL_StallEP(pdev, 0x80U);
+ }
+ else
+ {
+ USBD_CtlError(pdev, req);
+ }
+ break;
+
+ case USBD_STATE_CONFIGURED:
+ if (req->wValue == USB_FEATURE_EP_HALT)
+ {
+ if ((ep_addr & 0x7FU) != 0x00U)
+ {
+ (void)USBD_LL_ClearStallEP(pdev, ep_addr);
+ }
+ (void)USBD_CtlSendStatus(pdev);
+
+ /* Get the class index relative to this interface */
+ idx = USBD_CoreFindEP(pdev, ep_addr);
+ if (((uint8_t)idx != 0xFFU) && (idx < USBD_MAX_SUPPORTED_CLASS))
+ {
+ pdev->classId = idx;
+ /* Call the class data out function to manage the request */
+ if (pdev->pClass[idx]->Setup != NULL)
+ {
+ ret = (USBD_StatusTypeDef)(pdev->pClass[idx]->Setup(pdev, req));
+ }
+ }
+ }
+ break;
+
+ default:
+ USBD_CtlError(pdev, req);
+ break;
+ }
+ break;
+
+ case USB_REQ_GET_STATUS:
+ switch (pdev->dev_state)
+ {
+ case USBD_STATE_ADDRESSED:
+ if ((ep_addr != 0x00U) && (ep_addr != 0x80U))
+ {
+ USBD_CtlError(pdev, req);
+ break;
+ }
+ pep = ((ep_addr & 0x80U) == 0x80U) ? &pdev->ep_in[ep_addr & 0x7FU] : \
+ &pdev->ep_out[ep_addr & 0x7FU];
+
+ pep->status = 0x0000U;
+
+ (void)USBD_CtlSendData(pdev, (uint8_t *)&pep->status, 2U);
+ break;
+
+ case USBD_STATE_CONFIGURED:
+ if ((ep_addr & 0x80U) == 0x80U)
+ {
+ if (pdev->ep_in[ep_addr & 0xFU].is_used == 0U)
+ {
+ USBD_CtlError(pdev, req);
+ break;
+ }
+ }
+ else
+ {
+ if (pdev->ep_out[ep_addr & 0xFU].is_used == 0U)
+ {
+ USBD_CtlError(pdev, req);
+ break;
+ }
+ }
+
+ pep = ((ep_addr & 0x80U) == 0x80U) ? &pdev->ep_in[ep_addr & 0x7FU] : \
+ &pdev->ep_out[ep_addr & 0x7FU];
+
+ if ((ep_addr == 0x00U) || (ep_addr == 0x80U))
+ {
+ pep->status = 0x0000U;
+ }
+ else if (USBD_LL_IsStallEP(pdev, ep_addr) != 0U)
+ {
+ pep->status = 0x0001U;
+ }
+ else
+ {
+ pep->status = 0x0000U;
+ }
+
+ (void)USBD_CtlSendData(pdev, (uint8_t *)&pep->status, 2U);
+ break;
+
+ default:
+ USBD_CtlError(pdev, req);
+ break;
+ }
+ break;
+
+ default:
+ USBD_CtlError(pdev, req);
+ break;
+ }
+ break;
+
+ default:
+ USBD_CtlError(pdev, req);
+ break;
+ }
+
+ return ret;
+}
+
+
+/**
+ * @brief USBD_GetDescriptor
+ * Handle Get Descriptor requests
+ * @param pdev: device instance
+ * @param req: usb request
+ * @retval None
+ */
+static void USBD_GetDescriptor(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req)
+{
+ uint16_t len = 0U;
+ uint8_t *pbuf = NULL;
+ uint8_t err = 0U;
+
+ switch (req->wValue >> 8)
+ {
+#if ((USBD_LPM_ENABLED == 1U) || (USBD_CLASS_BOS_ENABLED == 1U))
+ case USB_DESC_TYPE_BOS:
+ if (pdev->pDesc->GetBOSDescriptor != NULL)
+ {
+ pbuf = pdev->pDesc->GetBOSDescriptor(pdev->dev_speed, &len);
+ }
+ else
+ {
+ USBD_CtlError(pdev, req);
+ err++;
+ }
+ break;
+#endif /* (USBD_LPM_ENABLED == 1U) || (USBD_CLASS_BOS_ENABLED == 1U) */
+ case USB_DESC_TYPE_DEVICE:
+ pbuf = pdev->pDesc->GetDeviceDescriptor(pdev->dev_speed, &len);
+ break;
+
+ case USB_DESC_TYPE_CONFIGURATION:
+ if (pdev->dev_speed == USBD_SPEED_HIGH)
+ {
+#ifdef USE_USBD_COMPOSITE
+ if ((uint8_t)(pdev->NumClasses) > 0U)
+ {
+ pbuf = (uint8_t *)USBD_CMPSIT.GetHSConfigDescriptor(&len);
+ }
+ else
+#endif /* USE_USBD_COMPOSITE */
+ {
+ pbuf = (uint8_t *)pdev->pClass[0]->GetHSConfigDescriptor(&len);
+ }
+ pbuf[1] = USB_DESC_TYPE_CONFIGURATION;
+ }
+ else
+ {
+#ifdef USE_USBD_COMPOSITE
+ if ((uint8_t)(pdev->NumClasses) > 0U)
+ {
+ pbuf = (uint8_t *)USBD_CMPSIT.GetFSConfigDescriptor(&len);
+ }
+ else
+#endif /* USE_USBD_COMPOSITE */
+ {
+ pbuf = (uint8_t *)pdev->pClass[0]->GetFSConfigDescriptor(&len);
+ }
+ pbuf[1] = USB_DESC_TYPE_CONFIGURATION;
+ }
+ break;
+
+ case USB_DESC_TYPE_STRING:
+ switch ((uint8_t)(req->wValue))
+ {
+ case USBD_IDX_LANGID_STR:
+ if (pdev->pDesc->GetLangIDStrDescriptor != NULL)
+ {
+ pbuf = pdev->pDesc->GetLangIDStrDescriptor(pdev->dev_speed, &len);
+ }
+ else
+ {
+ USBD_CtlError(pdev, req);
+ err++;
+ }
+ break;
+
+ case USBD_IDX_MFC_STR:
+ if (pdev->pDesc->GetManufacturerStrDescriptor != NULL)
+ {
+ pbuf = pdev->pDesc->GetManufacturerStrDescriptor(pdev->dev_speed, &len);
+ }
+ else
+ {
+ USBD_CtlError(pdev, req);
+ err++;
+ }
+ break;
+
+ case USBD_IDX_PRODUCT_STR:
+ if (pdev->pDesc->GetProductStrDescriptor != NULL)
+ {
+ pbuf = pdev->pDesc->GetProductStrDescriptor(pdev->dev_speed, &len);
+ }
+ else
+ {
+ USBD_CtlError(pdev, req);
+ err++;
+ }
+ break;
+
+ case USBD_IDX_SERIAL_STR:
+ if (pdev->pDesc->GetSerialStrDescriptor != NULL)
+ {
+ pbuf = pdev->pDesc->GetSerialStrDescriptor(pdev->dev_speed, &len);
+ }
+ else
+ {
+ USBD_CtlError(pdev, req);
+ err++;
+ }
+ break;
+
+ case USBD_IDX_CONFIG_STR:
+ if (pdev->pDesc->GetConfigurationStrDescriptor != NULL)
+ {
+ pbuf = pdev->pDesc->GetConfigurationStrDescriptor(pdev->dev_speed, &len);
+ }
+ else
+ {
+ USBD_CtlError(pdev, req);
+ err++;
+ }
+ break;
+
+ case USBD_IDX_INTERFACE_STR:
+ if (pdev->pDesc->GetInterfaceStrDescriptor != NULL)
+ {
+ pbuf = pdev->pDesc->GetInterfaceStrDescriptor(pdev->dev_speed, &len);
+ }
+ else
+ {
+ USBD_CtlError(pdev, req);
+ err++;
+ }
+ break;
+
+ default:
+#if (USBD_SUPPORT_USER_STRING_DESC == 1U)
+ pbuf = NULL;
+
+ for (uint32_t idx = 0U; (idx < pdev->NumClasses); idx++)
+ {
+ if (pdev->pClass[idx]->GetUsrStrDescriptor != NULL)
+ {
+ pdev->classId = idx;
+ pbuf = pdev->pClass[idx]->GetUsrStrDescriptor(pdev, LOBYTE(req->wValue), &len);
+
+ if (pbuf == NULL) /* This means that no class recognized the string index */
+ {
+ continue;
+ }
+ else
+ {
+ break;
+ }
+ }
+ }
+#endif /* USBD_SUPPORT_USER_STRING_DESC */
+
+#if (USBD_CLASS_USER_STRING_DESC == 1U)
+ if (pdev->pDesc->GetUserStrDescriptor != NULL)
+ {
+ pbuf = pdev->pDesc->GetUserStrDescriptor(pdev->dev_speed, LOBYTE(req->wValue), &len);
+ }
+ else
+ {
+ USBD_CtlError(pdev, req);
+ err++;
+ }
+#endif /* USBD_SUPPORT_USER_STRING_DESC */
+
+#if ((USBD_CLASS_USER_STRING_DESC == 0U) && (USBD_SUPPORT_USER_STRING_DESC == 0U))
+ USBD_CtlError(pdev, req);
+ err++;
+#endif /* (USBD_CLASS_USER_STRING_DESC == 0U) && (USBD_SUPPORT_USER_STRING_DESC == 0U) */
+ break;
+ }
+ break;
+
+ case USB_DESC_TYPE_DEVICE_QUALIFIER:
+ if (pdev->dev_speed == USBD_SPEED_HIGH)
+ {
+#ifdef USE_USBD_COMPOSITE
+ if ((uint8_t)(pdev->NumClasses) > 0U)
+ {
+ pbuf = (uint8_t *)USBD_CMPSIT.GetDeviceQualifierDescriptor(&len);
+ }
+ else
+#endif /* USE_USBD_COMPOSITE */
+ {
+ pbuf = (uint8_t *)pdev->pClass[0]->GetDeviceQualifierDescriptor(&len);
+ }
+ }
+ else
+ {
+ USBD_CtlError(pdev, req);
+ err++;
+ }
+ break;
+
+ case USB_DESC_TYPE_OTHER_SPEED_CONFIGURATION:
+ if (pdev->dev_speed == USBD_SPEED_HIGH)
+ {
+#ifdef USE_USBD_COMPOSITE
+ if ((uint8_t)(pdev->NumClasses) > 0U)
+ {
+ pbuf = (uint8_t *)USBD_CMPSIT.GetOtherSpeedConfigDescriptor(&len);
+ }
+ else
+#endif /* USE_USBD_COMPOSITE */
+ {
+ pbuf = (uint8_t *)pdev->pClass[0]->GetOtherSpeedConfigDescriptor(&len);
+ }
+ pbuf[1] = USB_DESC_TYPE_OTHER_SPEED_CONFIGURATION;
+ }
+ else
+ {
+ USBD_CtlError(pdev, req);
+ err++;
+ }
+ break;
+
+ default:
+ USBD_CtlError(pdev, req);
+ err++;
+ break;
+ }
+
+ if (err != 0U)
+ {
+ return;
+ }
+
+ if (req->wLength != 0U)
+ {
+ if (len != 0U)
+ {
+ len = MIN(len, req->wLength);
+ (void)USBD_CtlSendData(pdev, pbuf, len);
+ }
+ else
+ {
+ USBD_CtlError(pdev, req);
+ }
+ }
+ else
+ {
+ (void)USBD_CtlSendStatus(pdev);
+ }
+}
+
+
+/**
+ * @brief USBD_SetAddress
+ * Set device address
+ * @param pdev: device instance
+ * @param req: usb request
+ * @retval None
+ */
+static void USBD_SetAddress(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req)
+{
+ uint8_t dev_addr;
+
+ if ((req->wIndex == 0U) && (req->wLength == 0U) && (req->wValue < 128U))
+ {
+ dev_addr = (uint8_t)(req->wValue) & 0x7FU;
+
+ if (pdev->dev_state == USBD_STATE_CONFIGURED)
+ {
+ USBD_CtlError(pdev, req);
+ }
+ else
+ {
+ pdev->dev_address = dev_addr;
+ (void)USBD_LL_SetUSBAddress(pdev, dev_addr);
+ (void)USBD_CtlSendStatus(pdev);
+
+ if (dev_addr != 0U)
+ {
+ pdev->dev_state = USBD_STATE_ADDRESSED;
+ }
+ else
+ {
+ pdev->dev_state = USBD_STATE_DEFAULT;
+ }
+ }
+ }
+ else
+ {
+ USBD_CtlError(pdev, req);
+ }
+}
+
+/**
+ * @brief USBD_SetConfig
+ * Handle Set device configuration request
+ * @param pdev: device instance
+ * @param req: usb request
+ * @retval status
+ */
+static USBD_StatusTypeDef USBD_SetConfig(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req)
+{
+ USBD_StatusTypeDef ret = USBD_OK;
+ static uint8_t cfgidx;
+
+ cfgidx = (uint8_t)(req->wValue);
+
+ if (cfgidx > USBD_MAX_NUM_CONFIGURATION)
+ {
+ USBD_CtlError(pdev, req);
+ return USBD_FAIL;
+ }
+
+ switch (pdev->dev_state)
+ {
+ case USBD_STATE_ADDRESSED:
+ if (cfgidx != 0U)
+ {
+ pdev->dev_config = cfgidx;
+
+ ret = USBD_SetClassConfig(pdev, cfgidx);
+
+ if (ret != USBD_OK)
+ {
+ USBD_CtlError(pdev, req);
+ pdev->dev_state = USBD_STATE_ADDRESSED;
+ }
+ else
+ {
+ (void)USBD_CtlSendStatus(pdev);
+ pdev->dev_state = USBD_STATE_CONFIGURED;
+
+#if (USBD_USER_REGISTER_CALLBACK == 1U)
+ if (pdev->DevStateCallback != NULL)
+ {
+ pdev->DevStateCallback(USBD_STATE_CONFIGURED, cfgidx);
+ }
+#endif /* USBD_USER_REGISTER_CALLBACK */
+ }
+ }
+ else
+ {
+ (void)USBD_CtlSendStatus(pdev);
+ }
+ break;
+
+ case USBD_STATE_CONFIGURED:
+ if (cfgidx == 0U)
+ {
+ pdev->dev_state = USBD_STATE_ADDRESSED;
+ pdev->dev_config = cfgidx;
+ (void)USBD_ClrClassConfig(pdev, cfgidx);
+ (void)USBD_CtlSendStatus(pdev);
+ }
+ else if (cfgidx != pdev->dev_config)
+ {
+ /* Clear old configuration */
+ (void)USBD_ClrClassConfig(pdev, (uint8_t)pdev->dev_config);
+
+ /* set new configuration */
+ pdev->dev_config = cfgidx;
+
+ ret = USBD_SetClassConfig(pdev, cfgidx);
+
+ if (ret != USBD_OK)
+ {
+ USBD_CtlError(pdev, req);
+ (void)USBD_ClrClassConfig(pdev, (uint8_t)pdev->dev_config);
+ pdev->dev_state = USBD_STATE_ADDRESSED;
+ }
+ else
+ {
+ (void)USBD_CtlSendStatus(pdev);
+ }
+ }
+ else
+ {
+ (void)USBD_CtlSendStatus(pdev);
+ }
+ break;
+
+ default:
+ USBD_CtlError(pdev, req);
+ (void)USBD_ClrClassConfig(pdev, cfgidx);
+ ret = USBD_FAIL;
+ break;
+ }
+
+ return ret;
+}
+
+/**
+ * @brief USBD_GetConfig
+ * Handle Get device configuration request
+ * @param pdev: device instance
+ * @param req: usb request
+ * @retval None
+ */
+static void USBD_GetConfig(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req)
+{
+ if (req->wLength != 1U)
+ {
+ USBD_CtlError(pdev, req);
+ }
+ else
+ {
+ switch (pdev->dev_state)
+ {
+ case USBD_STATE_DEFAULT:
+ case USBD_STATE_ADDRESSED:
+ pdev->dev_default_config = 0U;
+ (void)USBD_CtlSendData(pdev, (uint8_t *)&pdev->dev_default_config, 1U);
+ break;
+
+ case USBD_STATE_CONFIGURED:
+ (void)USBD_CtlSendData(pdev, (uint8_t *)&pdev->dev_config, 1U);
+ break;
+
+ default:
+ USBD_CtlError(pdev, req);
+ break;
+ }
+ }
+}
+
+/**
+ * @brief USBD_GetStatus
+ * Handle Get Status request
+ * @param pdev: device instance
+ * @param req: usb request
+ * @retval None
+ */
+static void USBD_GetStatus(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req)
+{
+ switch (pdev->dev_state)
+ {
+ case USBD_STATE_DEFAULT:
+ case USBD_STATE_ADDRESSED:
+ case USBD_STATE_CONFIGURED:
+ if (req->wLength != 0x2U)
+ {
+ USBD_CtlError(pdev, req);
+ break;
+ }
+
+#if (USBD_SELF_POWERED == 1U)
+ pdev->dev_config_status = USB_CONFIG_SELF_POWERED;
+#else
+ pdev->dev_config_status = 0U;
+#endif /* USBD_SELF_POWERED */
+
+ if (pdev->dev_remote_wakeup != 0U)
+ {
+ pdev->dev_config_status |= USB_CONFIG_REMOTE_WAKEUP;
+ }
+
+ (void)USBD_CtlSendData(pdev, (uint8_t *)&pdev->dev_config_status, 2U);
+ break;
+
+ default:
+ USBD_CtlError(pdev, req);
+ break;
+ }
+}
+
+
+/**
+ * @brief USBD_SetFeature
+ * Handle Set device feature request
+ * @param pdev: device instance
+ * @param req: usb request
+ * @retval None
+ */
+static void USBD_SetFeature(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req)
+{
+ if (req->wValue == USB_FEATURE_REMOTE_WAKEUP)
+ {
+ pdev->dev_remote_wakeup = 1U;
+ (void)USBD_CtlSendStatus(pdev);
+ }
+ else if (req->wValue == USB_FEATURE_TEST_MODE)
+ {
+ pdev->dev_test_mode = (uint8_t)(req->wIndex >> 8);
+ (void)USBD_CtlSendStatus(pdev);
+ }
+ else
+ {
+ USBD_CtlError(pdev, req);
+ }
+}
+
+
+/**
+ * @brief USBD_ClrFeature
+ * Handle clear device feature request
+ * @param pdev: device instance
+ * @param req: usb request
+ * @retval None
+ */
+static void USBD_ClrFeature(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req)
+{
+ switch (pdev->dev_state)
+ {
+ case USBD_STATE_DEFAULT:
+ case USBD_STATE_ADDRESSED:
+ case USBD_STATE_CONFIGURED:
+ if (req->wValue == USB_FEATURE_REMOTE_WAKEUP)
+ {
+ pdev->dev_remote_wakeup = 0U;
+ (void)USBD_CtlSendStatus(pdev);
+ }
+ break;
+
+ default:
+ USBD_CtlError(pdev, req);
+ break;
+ }
+}
+
+
+/**
+ * @brief USBD_ParseSetupRequest
+ * Copy buffer into setup structure
+ * @param req: usb request
+ * @param pdata: setup data pointer
+ * @retval None
+ */
+void USBD_ParseSetupRequest(USBD_SetupReqTypedef *req, uint8_t *pdata)
+{
+ uint8_t *pbuff = pdata;
+
+ req->bmRequest = *(uint8_t *)(pbuff);
+
+ pbuff++;
+ req->bRequest = *(uint8_t *)(pbuff);
+
+ pbuff++;
+ req->wValue = SWAPBYTE(pbuff);
+
+ pbuff++;
+ pbuff++;
+ req->wIndex = SWAPBYTE(pbuff);
+
+ pbuff++;
+ pbuff++;
+ req->wLength = SWAPBYTE(pbuff);
+}
+
+
+/**
+ * @brief USBD_CtlError
+ * Handle USB low level Error
+ * @param pdev: device instance
+ * @param req: usb request
+ * @retval None
+ */
+void USBD_CtlError(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req)
+{
+ UNUSED(req);
+
+ (void)USBD_LL_StallEP(pdev, 0x80U);
+ (void)USBD_LL_StallEP(pdev, 0U);
+}
+
+
+/**
+ * @brief USBD_GetString
+ * Convert Ascii string into unicode one
+ * @param desc : descriptor buffer
+ * @param unicode : Formatted string buffer (unicode)
+ * @param len : descriptor length
+ * @retval None
+ */
+void USBD_GetString(uint8_t *desc, uint8_t *unicode, uint16_t *len)
+{
+ uint8_t idx = 0U;
+ uint8_t *pdesc;
+
+ if (desc == NULL)
+ {
+ return;
+ }
+
+ pdesc = desc;
+ *len = MIN(USBD_MAX_STR_DESC_SIZ, ((uint16_t)USBD_GetLen(pdesc) * 2U) + 2U);
+
+ unicode[idx] = *(uint8_t *)len;
+ idx++;
+ unicode[idx] = USB_DESC_TYPE_STRING;
+ idx++;
+
+ while (*pdesc != (uint8_t)'\0')
+ {
+ unicode[idx] = *pdesc;
+ pdesc++;
+ idx++;
+
+ unicode[idx] = 0U;
+ idx++;
+ }
+}
+
+
+/**
+ * @brief USBD_GetLen
+ * return the string length
+ * @param buf : pointer to the ascii string buffer
+ * @retval string length
+ */
+static uint8_t USBD_GetLen(uint8_t *buf)
+{
+ uint8_t len = 0U;
+ uint8_t *pbuff = buf;
+
+ while (*pbuff != (uint8_t)'\0')
+ {
+ len++;
+ pbuff++;
+ }
+
+ return len;
+}
+/**
+ * @}
+ */
+
+
+/**
+ * @}
+ */
+
+
+/**
+ * @}
+ */
+
diff --git a/Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ioreq.c b/Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ioreq.c
new file mode 100755
index 0000000..2171398
--- /dev/null
+++ b/Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ioreq.c
@@ -0,0 +1,226 @@
+/**
+ ******************************************************************************
+ * @file usbd_ioreq.c
+ * @author MCD Application Team
+ * @brief This file provides the IO requests APIs for control endpoints.
+ ******************************************************************************
+ * @attention
+ *
+ * Copyright (c) 2015 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.
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "usbd_ioreq.h"
+
+/** @addtogroup STM32_USB_DEVICE_LIBRARY
+ * @{
+ */
+
+
+/** @defgroup USBD_IOREQ
+ * @brief control I/O requests module
+ * @{
+ */
+
+/** @defgroup USBD_IOREQ_Private_TypesDefinitions
+ * @{
+ */
+/**
+ * @}
+ */
+
+
+/** @defgroup USBD_IOREQ_Private_Defines
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+
+/** @defgroup USBD_IOREQ_Private_Macros
+ * @{
+ */
+/**
+ * @}
+ */
+
+
+/** @defgroup USBD_IOREQ_Private_Variables
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+
+/** @defgroup USBD_IOREQ_Private_FunctionPrototypes
+ * @{
+ */
+/**
+ * @}
+ */
+
+
+/** @defgroup USBD_IOREQ_Private_Functions
+ * @{
+ */
+
+/**
+ * @brief USBD_CtlSendData
+ * send data on the ctl pipe
+ * @param pdev: device instance
+ * @param buff: pointer to data buffer
+ * @param len: length of data to be sent
+ * @retval status
+ */
+USBD_StatusTypeDef USBD_CtlSendData(USBD_HandleTypeDef *pdev,
+ uint8_t *pbuf, uint32_t len)
+{
+ /* Set EP0 State */
+ pdev->ep0_state = USBD_EP0_DATA_IN;
+ pdev->ep_in[0].total_length = len;
+ pdev->ep_in[0].pbuffer = pbuf;
+
+#ifdef USBD_AVOID_PACKET_SPLIT_MPS
+ pdev->ep_in[0].rem_length = 0U;
+#else
+ pdev->ep_in[0].rem_length = len;
+#endif /* USBD_AVOID_PACKET_SPLIT_MPS */
+
+ /* Start the transfer */
+ (void)USBD_LL_Transmit(pdev, 0x00U, pbuf, len);
+
+ return USBD_OK;
+}
+
+/**
+ * @brief USBD_CtlContinueSendData
+ * continue sending data on the ctl pipe
+ * @param pdev: device instance
+ * @param buff: pointer to data buffer
+ * @param len: length of data to be sent
+ * @retval status
+ */
+USBD_StatusTypeDef USBD_CtlContinueSendData(USBD_HandleTypeDef *pdev,
+ uint8_t *pbuf, uint32_t len)
+{
+ /* Start the next transfer */
+ (void)USBD_LL_Transmit(pdev, 0x00U, pbuf, len);
+
+ return USBD_OK;
+}
+
+/**
+ * @brief USBD_CtlPrepareRx
+ * receive data on the ctl pipe
+ * @param pdev: device instance
+ * @param buff: pointer to data buffer
+ * @param len: length of data to be received
+ * @retval status
+ */
+USBD_StatusTypeDef USBD_CtlPrepareRx(USBD_HandleTypeDef *pdev,
+ uint8_t *pbuf, uint32_t len)
+{
+ /* Set EP0 State */
+ pdev->ep0_state = USBD_EP0_DATA_OUT;
+ pdev->ep_out[0].total_length = len;
+ pdev->ep_out[0].pbuffer = pbuf;
+
+#ifdef USBD_AVOID_PACKET_SPLIT_MPS
+ pdev->ep_out[0].rem_length = 0U;
+#else
+ pdev->ep_out[0].rem_length = len;
+#endif /* USBD_AVOID_PACKET_SPLIT_MPS */
+
+ /* Start the transfer */
+ (void)USBD_LL_PrepareReceive(pdev, 0U, pbuf, len);
+
+ return USBD_OK;
+}
+
+/**
+ * @brief USBD_CtlContinueRx
+ * continue receive data on the ctl pipe
+ * @param pdev: device instance
+ * @param buff: pointer to data buffer
+ * @param len: length of data to be received
+ * @retval status
+ */
+USBD_StatusTypeDef USBD_CtlContinueRx(USBD_HandleTypeDef *pdev,
+ uint8_t *pbuf, uint32_t len)
+{
+ (void)USBD_LL_PrepareReceive(pdev, 0U, pbuf, len);
+
+ return USBD_OK;
+}
+
+/**
+ * @brief USBD_CtlSendStatus
+ * send zero lzngth packet on the ctl pipe
+ * @param pdev: device instance
+ * @retval status
+ */
+USBD_StatusTypeDef USBD_CtlSendStatus(USBD_HandleTypeDef *pdev)
+{
+ /* Set EP0 State */
+ pdev->ep0_state = USBD_EP0_STATUS_IN;
+
+ /* Start the transfer */
+ (void)USBD_LL_Transmit(pdev, 0x00U, NULL, 0U);
+
+ return USBD_OK;
+}
+
+/**
+ * @brief USBD_CtlReceiveStatus
+ * receive zero lzngth packet on the ctl pipe
+ * @param pdev: device instance
+ * @retval status
+ */
+USBD_StatusTypeDef USBD_CtlReceiveStatus(USBD_HandleTypeDef *pdev)
+{
+ /* Set EP0 State */
+ pdev->ep0_state = USBD_EP0_STATUS_OUT;
+
+ /* Start the transfer */
+ (void)USBD_LL_PrepareReceive(pdev, 0U, NULL, 0U);
+
+ return USBD_OK;
+}
+
+/**
+ * @brief USBD_GetRxCount
+ * returns the received data length
+ * @param pdev: device instance
+ * @param ep_addr: endpoint address
+ * @retval Rx Data blength
+ */
+uint32_t USBD_GetRxCount(USBD_HandleTypeDef *pdev, uint8_t ep_addr)
+{
+ return USBD_LL_GetRxDataSize(pdev, ep_addr);
+}
+
+/**
+ * @}
+ */
+
+
+/**
+ * @}
+ */
+
+
+/**
+ * @}
+ */
+
diff --git a/Middlewares/ST/STM32_USB_Device_Library/LICENSE.txt b/Middlewares/ST/STM32_USB_Device_Library/LICENSE.txt
new file mode 100755
index 0000000..dd42dce
--- /dev/null
+++ b/Middlewares/ST/STM32_USB_Device_Library/LICENSE.txt
@@ -0,0 +1,94 @@
+This software component is provided to you as part of a software package and
+applicable license terms are in the Package_license file. If you received this
+software component outside of a package or without applicable license terms,
+the terms of the SLA0044 license shall apply and are fully reproduced below:
+
+SLA0044 Rev6/October 2025
+
+Software license agreement
+
+ULTIMATE LIBERTY SOFTWARE LICENSE AGREEMENT
+
+BY CLICKING ON THE "I ACCEPT" BUTTON OR BY UNZIPPING, INSTALLING, COPYING,
+DOWNLOADING, ACCESSING OR OTHERWISE USING THIS SOFTWARE OR ANY PART THEREOF,
+INCLUDING ANY RELATED DOCUMENTATION (collectively the “SOFTWARE”)
+FROM STMICROELECTRONICS INTERNATIONAL N.V, SWISS BRANCH AND/OR
+ITS AFFILIATED COMPANIES (collectively “STMICROELECTRONICS”),
+YOU (hereinafter referred also to as “THE RECIPIENT”), ON BEHALF OF YOURSELF,
+OR ON BEHALF OF ANY ENTITY BY WHICH YOU ARE EMPLOYED AND/OR ENGAGED,
+AGREE TO BE BOUND BY THIS AGREEMENT.
+
+Under STMICROELECTRONICS’ intellectual property rights, the redistribution,
+reproduction and use in source and binary forms of the SOFTWARE or any part
+thereof, with or without modification, are permitted provided that the following
+conditions are met:
+
+1. Redistribution of source code (modified or not) must retain any copyright
+notice accompanying the SOFTWARE, this list of conditions and the disclaimer below.
+
+2. Redistributions in binary form, except as embedded into a processing unit device
+manufactured by or for STMicroelectronics or a software update for any such device,
+must reproduce the accompanying copyright notice, this list of conditions,
+and the below disclaimer in capital type, in the documentation and/or
+other materials provided with the distribution.
+
+3. Neither the name of STMicroelectronics nor the names of other contributors
+to the SOFTWARE may be used to endorse or promote products derived
+from the SOFTWARE or part thereof without specific written permission.
+
+4. The SOFTWARE or any part thereof, including modifications and/or
+derivative works of the SOFTWARE, must be used and execute solely
+and exclusively on or in combination with a processing unit device
+manufactured by or for STMicroelectronics.
+
+5. No use, reproduction or redistribution of the SOFTWARE partially
+or totally may be done in any manner that would subject the SOFTWARE
+to any Open Source Terms. “Open Source Terms” shall mean
+any open source license which requires as part of distribution
+of software that the source code of such software is distributed
+therewith or otherwise made available, or open source license
+that substantially complies with the Open Source definition specified
+at www.opensource.org and any other comparable open source license
+such as for example GNU General Public License (GPL),
+Eclipse Public License (EPL), Apache Software License, BSD license
+or MIT license.
+
+6. STMicroelectronics has no obligation to provide any maintenance,
+support or updates for the SOFTWARE.
+
+7. The SOFTWARE is and will remain the exclusive property of
+STMicroelectronics and its licensors. The RECIPIENT will not take
+any action that jeopardizes STMicroelectronics and its
+licensors' proprietary rights or acquire any rights in the SOFTWARE,
+except the limited rights specified hereunder.
+
+8. The RECIPIENT shall comply with all applicable laws and regulations
+affecting the use of the SOFTWARE or any part thereof including
+any applicable export control law or regulation.
+
+9. Redistribution and use of the SOFTWARE or any part thereof other
+than as permitted under this AGREEMENT is void and will automatically
+terminate RECIPIENT’s rights under this AGREEMENT.
+
+10. The RECIPIENT shall be solely liable to determine and verify that
+the SOFTWARE is fit for the RECIPIENT intended use, environment or
+application and comply with all regulatory, safety and security
+related requirements concerning any use.
+
+DISCLAIMER:
+
+THE SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING,BUT NOT LIMITED TO,
+THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
+AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY RIGHTS, ARE
+DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW.
+IN NO EVENT SHALL STMICROELECTRONICS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THE
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+EXCEPT AS EXPRESSLY PERMITTED HEREUNDER, NO LICENSE OR OTHER RIGHTS,
+WHETHER EXPRESS OR IMPLIED, ARE GRANTED UNDER ANY PATENT OR OTHER INTELLECTUAL
+PROPERTY RIGHTS OF STMICROELECTRONICS OR ANY THIRD PARTY.