-/*
- LUFA Library
- Copyright (C) Dean Camera, 2011.
-
- dean [at] fourwalledcubicle [dot] com
- www.lufa-lib.org
-*/
-
-/*
- Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com)
-
- Permission to use, copy, modify, distribute, and sell this
- software and its documentation for any purpose is hereby granted
- without fee, provided that the above copyright notice appear in
- all copies and that both that the copyright notice and this
- permission notice and warranty disclaimer appear in supporting
- documentation, and that the name of the author not be used in
- advertising or publicity pertaining to distribution of the
- software without specific, written prior permission.
-
- The author disclaim all warranties with regard to this
- software, including all implied warranties of merchantability
- and fitness. In no event shall the author be liable for any
- special, indirect or consequential damages or any damages
- whatsoever resulting from loss of use, data or profits, whether
- in an action of contract, negligence or other tortious action,
- arising out of or in connection with the use or performance of
- this software.
-*/
-
-/** \file
- * \brief Device mode driver for the library USB Mass Storage Class driver.
- *
- * Device mode driver for the library USB Mass Storage Class driver.
- *
- * \note This file should not be included directly. It is automatically included as needed by the USB module driver
- * dispatch header located in LUFA/Drivers/USB.h.
- */
-
-/** \ingroup Group_USBClassMS
- * \defgroup Group_USBClassMSDevice Mass Storage Class Device Mode Driver
- *
- * \section Sec_Dependencies Module Source Dependencies
- * The following files must be built with any user project that uses this module:
- * - LUFA/Drivers/USB/Class/Device/MassStorage.c <i>(Makefile source module name: LUFA_SRC_USBCLASS)</i>
- *
- * \section Sec_ModDescription Module Description
- * Device Mode USB Class driver framework interface, for the Mass Storage USB Class driver.
- *
- * @{
- */
-
-#ifndef _MS_CLASS_DEVICE_H_
-#define _MS_CLASS_DEVICE_H_
-
- /* Includes: */
- #include "../../USB.h"
- #include "../Common/MassStorage.h"
-
- /* Enable C linkage for C++ Compilers: */
- #if defined(__cplusplus)
- extern "C" {
- #endif
-
- /* Preprocessor Checks: */
- #if !defined(__INCLUDE_FROM_MS_DRIVER)
- #error Do not include this file directly. Include LUFA/Drivers/USB.h instead.
- #endif
-
- /* Public Interface - May be used in end-application: */
- /* Type Defines: */
- /** \brief Mass Storage Class Device Mode Configuration and State Structure.
- *
- * Class state structure. An instance of this structure should be made for each Mass Storage interface
- * within the user application, and passed to each of the Mass Storage class driver functions as the
- * \c MSInterfaceInfo parameter. This stores each Mass Storage interface's configuration and state information.
- */
- typedef struct
- {
- const struct
- {
- uint8_t InterfaceNumber; /**< Interface number of the Mass Storage interface within the device. */
-
- uint8_t DataINEndpointNumber; /**< Endpoint number of the Mass Storage interface's IN data endpoint. */
- uint16_t DataINEndpointSize; /**< Size in bytes of the Mass Storage interface's IN data endpoint. */
- bool DataINEndpointDoubleBank; /**< Indicates if the Mass Storage interface's IN data endpoint should use double banking. */
-
- uint8_t DataOUTEndpointNumber; /**< Endpoint number of the Mass Storage interface's OUT data endpoint. */
- uint16_t DataOUTEndpointSize; /**< Size in bytes of the Mass Storage interface's OUT data endpoint. */
- bool DataOUTEndpointDoubleBank; /**< Indicates if the Mass Storage interface's OUT data endpoint should use double banking. */
-
- uint8_t TotalLUNs; /**< Total number of logical drives in the Mass Storage interface. */
- } Config; /**< Config data for the USB class interface within the device. All elements in this section
- * <b>must</b> be set or the interface will fail to enumerate and operate correctly.
- */
- struct
- {
- MS_CommandBlockWrapper_t CommandBlock; /**< Mass Storage class command block structure, stores the received SCSI
- * command from the host which is to be processed.
- */
- MS_CommandStatusWrapper_t CommandStatus; /**< Mass Storage class command status structure, set elements to indicate
- * the issued command's success or failure to the host.
- */
- volatile bool IsMassStoreReset; /**< Flag indicating that the host has requested that the Mass Storage interface be reset
- * and that all current Mass Storage operations should immediately abort.
- */
- } State; /**< State data for the USB class interface within the device. All elements in this section
- * are reset to their defaults when the interface is enumerated.
- */
- } USB_ClassInfo_MS_Device_t;
-
- /* Function Prototypes: */
- /** Configures the endpoints of a given Mass Storage interface, ready for use. This should be linked to the library
- * \ref EVENT_USB_Device_ConfigurationChanged() event so that the endpoints are configured when the configuration
- * containing the given Mass Storage interface is selected.
- *
- * \param[in,out] MSInterfaceInfo Pointer to a structure containing a Mass Storage Class configuration and state.
- *
- * \return Boolean \c true if the endpoints were successfully configured, \c false otherwise.
- */
- bool MS_Device_ConfigureEndpoints(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
-
- /** Processes incoming control requests from the host, that are directed to the given Mass Storage class interface. This should be
- * linked to the library \ref EVENT_USB_Device_ControlRequest() event.
- *
- * \param[in,out] MSInterfaceInfo Pointer to a structure containing a Mass Storage Class configuration and state.
- */
- void MS_Device_ProcessControlRequest(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
-
- /** General management task for a given Mass Storage class interface, required for the correct operation of the interface. This should
- * be called frequently in the main program loop, before the master USB management task \ref USB_USBTask().
- *
- * \param[in,out] MSInterfaceInfo Pointer to a structure containing a Mass Storage configuration and state.
- */
- void MS_Device_USBTask(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
-
- /** Mass Storage class driver callback for the user processing of a received SCSI command. This callback will fire each time the
- * host sends a SCSI command which requires processing by the user application. Inside this callback the user is responsible
- * for the processing of the received SCSI command from the host. The SCSI command is available in the CommandBlock structure
- * inside the Mass Storage class state structure passed as a parameter to the callback function.
- *
- * \param[in,out] MSInterfaceInfo Pointer to a structure containing a Mass Storage Class configuration and state.
- *
- * \return Boolean \c true if the SCSI command was successfully processed, \c false otherwise.
- */
- bool CALLBACK_MS_Device_SCSICommandReceived(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
-
- /* Private Interface - For use in library only: */
- #if !defined(__DOXYGEN__)
- /* Function Prototypes: */
- #if defined(__INCLUDE_FROM_MASSSTORAGE_DEVICE_C)
- static void MS_Device_ReturnCommandStatus(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
- static bool MS_Device_ReadInCommandBlock(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
- #endif
-
- #endif
-
- /* Disable C linkage for C++ Compilers: */
- #if defined(__cplusplus)
- }
- #endif
-
-#endif
-
-/** @} */
-
projects / pub / lufa.git / blobdiff