162 lines
7.4 KiB
C
162 lines
7.4 KiB
C
/*
|
|
LUFA Library
|
|
Copyright (C) Dean Camera, 2017.
|
|
|
|
dean [at] fourwalledcubicle [dot] com
|
|
www.lufa-lib.org
|
|
*/
|
|
|
|
/*
|
|
Copyright 2017 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 disclaims 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_USBClassMSDevice_Dependencies Module Source Dependencies
|
|
* The following files must be built with any user project that uses this module:
|
|
* - LUFA/Drivers/USB/Class/Device/MassStorageClassDevice.c <i>(Makefile source module name: LUFA_SRC_USBCLASS)</i>
|
|
*
|
|
* \section Sec_USBClassMSDevice_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/MassStorageClassCommon.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
|
|
{
|
|
struct
|
|
{
|
|
uint8_t InterfaceNumber; /**< Interface number of the Mass Storage interface within the device. */
|
|
|
|
USB_Endpoint_Table_t DataINEndpoint; /**< Data IN endpoint configuration table. */
|
|
USB_Endpoint_Table_t DataOUTEndpoint; /**< Data OUT endpoint configuration table. */
|
|
|
|
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
|
|
|
|
/** @} */
|
|
|