STM32F4 USB OTG Host msc

Marlin/Configuration.h

@@ -1767,6 +1767,14 @@
  */
 //#define SDSUPPORT
 
+/**
+ * USB HOST MSC
+ *
+ * USB Flash mounted in MCU USB OTG Host port
+ * you need uncomment both SDSUPPORT and following option at the same time or it won't work.
+ */
+//#define USB_HOST_MSC_FLASH_SUPPORT
+
 /**
  * SD CARD: SPI SPEED
  *

Marlin/src/HAL/STM32/inc/SanityCheck.h

@@ -46,6 +46,10 @@
   #error "FLASH_EEPROM_LEVELING is currently only supported on STM32F4 hardware."
 #endif
 
+#if !defined(STM32F4xx) && ENABLED(USB_HOST_MSC_FLASH_SUPPORT)
+  #error "For now USB host MSC is only supported on STM32F4."
+#endif
+
 #if ENABLED(SERIAL_STATS_MAX_RX_QUEUED)
   #error "SERIAL_STATS_MAX_RX_QUEUED is not supported on this platform."
 #elif ENABLED(SERIAL_STATS_DROPPED_RX)

Marlin/src/HAL/STM32/usb_hostlib/STM32_USB_Host_Library/Class/MSC/Inc/usbh_msc.h

@@ -0,0 +1,216 @@
+/**
+  ******************************************************************************
+  * @file    usbh_msc.h
+  * @author  MCD Application Team
+  * @brief   This file contains all the prototypes for the usbh_msc.c
+  ******************************************************************************
+  * @attention
+  *
+  * Copyright (c) 2015 STMicroelectronics.
+  * All rights reserved.
+  *
+  * This software component is licensed by ST under Ultimate Liberty license
+  * SLA0044, the "License"; You may not use this file except in compliance with
+  * the License. You may obtain a copy of the License at:
+  *                      www.st.com/SLA0044
+  *
+  ******************************************************************************
+  */
+
+/* Define to prevent recursive  ----------------------------------------------*/
+#ifndef __USBH_MSC_H
+#define __USBH_MSC_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "../../../Core/Inc/usbh_core.h"
+#include "usbh_msc_bot.h"
+#include "usbh_msc_scsi.h"
+
+/** @addtogroup USBH_LIB
+  * @{
+  */
+
+/** @addtogroup USBH_CLASS
+  * @{
+  */
+
+/** @addtogroup USBH_MSC_CLASS
+  * @{
+  */
+
+/** @defgroup USBH_MSC_CORE
+  * @brief This file is the Header file for usbh_msc.c
+  * @{
+  */
+
+
+/** @defgroup USBH_MSC_CORE_Exported_Types
+  * @{
+  */
+
+typedef enum
+{
+  MSC_INIT = 0,
+  MSC_IDLE,
+  MSC_TEST_UNIT_READY,
+  MSC_READ_CAPACITY10,
+  MSC_READ_INQUIRY,
+  MSC_REQUEST_SENSE,
+  MSC_READ,
+  MSC_WRITE,
+  MSC_UNRECOVERED_ERROR,
+  MSC_PERIODIC_CHECK,
+}
+MSC_StateTypeDef;
+
+typedef enum
+{
+  MSC_OK,
+  MSC_NOT_READY,
+  MSC_ERROR,
+
+}
+MSC_ErrorTypeDef;
+
+typedef enum
+{
+  MSC_REQ_IDLE = 0,
+  MSC_REQ_RESET,
+  MSC_REQ_GET_MAX_LUN,
+  MSC_REQ_ERROR,
+}
+MSC_ReqStateTypeDef;
+
+#ifndef MAX_SUPPORTED_LUN
+#define MAX_SUPPORTED_LUN       2U
+#endif
+
+
+/* Structure for LUN */
+typedef struct
+{
+  MSC_StateTypeDef            state;
+  MSC_ErrorTypeDef            error;
+  USBH_StatusTypeDef          prev_ready_state;
+  SCSI_CapacityTypeDef        capacity;
+  SCSI_SenseTypeDef           sense;
+  SCSI_StdInquiryDataTypeDef  inquiry;
+  uint8_t                     state_changed;
+
+}
+MSC_LUNTypeDef;
+
+/* Structure for MSC process */
+typedef struct _MSC_Process
+{
+  uint8_t              max_lun;
+  uint8_t              Reserved[3];
+  uint8_t              InPipe;
+  uint8_t              OutPipe;
+  uint8_t              OutEp;
+  uint8_t              InEp;
+  uint16_t             OutEpSize;
+  uint16_t             InEpSize;
+  MSC_StateTypeDef     state;
+  MSC_ErrorTypeDef     error;
+  MSC_ReqStateTypeDef  req_state;
+  MSC_ReqStateTypeDef  prev_req_state;
+  BOT_HandleTypeDef    hbot;
+  MSC_LUNTypeDef       unit[MAX_SUPPORTED_LUN];
+  uint16_t             current_lun;
+  uint16_t             rw_lun;
+  uint32_t             timer;
+}
+MSC_HandleTypeDef;
+
+
+/**
+  * @}
+  */
+
+
+
+/** @defgroup USBH_MSC_CORE_Exported_Defines
+  * @{
+  */
+
+#define USB_REQ_BOT_RESET                              0xFFU
+#define USB_REQ_GET_MAX_LUN                            0xFEU
+
+
+/* MSC Class Codes */
+#define USB_MSC_CLASS                                  0x08U
+
+/* Interface Descriptor field values for HID Boot Protocol */
+#define MSC_BOT                                        0x50U
+#define MSC_TRANSPARENT                                0x06U
+/**
+  * @}
+  */
+
+/** @defgroup USBH_MSC_CORE_Exported_Macros
+  * @{
+  */
+/**
+  * @}
+  */
+
+/** @defgroup USBH_MSC_CORE_Exported_Variables
+  * @{
+  */
+extern USBH_ClassTypeDef  USBH_msc;
+#define USBH_MSC_CLASS    &USBH_msc
+
+/**
+  * @}
+  */
+
+/** @defgroup USBH_MSC_CORE_Exported_FunctionsPrototype
+  * @{
+  */
+uint8_t USBH_MSC_IsReady(USBH_HandleTypeDef *phost);
+uint8_t USBH_MSC_GetMaxLUN(USBH_HandleTypeDef *phost);
+uint8_t USBH_MSC_UnitIsReady(USBH_HandleTypeDef *phost, uint8_t lun);
+
+USBH_StatusTypeDef USBH_MSC_GetLUNInfo(USBH_HandleTypeDef *phost, uint8_t lun,
+                                       MSC_LUNTypeDef *info);
+
+USBH_StatusTypeDef USBH_MSC_Read(USBH_HandleTypeDef *phost, uint8_t lun,
+                                 uint32_t address, uint8_t *pbuf, uint32_t length);
+
+USBH_StatusTypeDef USBH_MSC_Write(USBH_HandleTypeDef *phost, uint8_t lun,
+                                  uint32_t address, uint8_t *pbuf, uint32_t length);
+/**
+  * @}
+  */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif  /* __USBH_MSC_H */
+
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
+
+
+