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126 lines
5.1 KiB
126 lines
5.1 KiB
/*
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LUFA Library
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Copyright (C) Dean Camera, 2009.
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dean [at] fourwalledcubicle [dot] com
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www.fourwalledcubicle.com
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*/
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/*
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Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)
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Permission to use, copy, modify, and distribute this software
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and its documentation for any purpose and without fee is hereby
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granted, provided that the above copyright notice appear in all
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copies and that both that the copyright notice and this
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permission notice and warranty disclaimer appear in supporting
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documentation, and that the name of the author not be used in
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advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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The author disclaim all warranties with regard to this
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software, including all implied warranties of merchantability
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and fitness. In no event shall the author be liable for any
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special, indirect or consequential damages or any damages
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whatsoever resulting from loss of use, data or profits, whether
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in an action of contract, negligence or other tortious action,
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arising out of or in connection with the use or performance of
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this software.
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*/
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/** \ingroup Group_USBClassMS
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* @defgroup Group_USBClassMassStorageHost Mass Storage Class Host Mode Driver
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*
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* \section Sec_Dependencies Module Source Dependencies
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* The following files must be built with any user project that uses this module:
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* - LUFA/Drivers/USB/Class/Host/MassStorage.c
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*
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* \section Module Description
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* Host Mode USB Class driver framework interface, for the Mass Storage USB Class driver.
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*
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* @{
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*/
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#ifndef __MS_CLASS_HOST_H__
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#define __MS_CLASS_HOST_H__
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/* Includes: */
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#include "../../USB.h"
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#include "../Common/MassStorage.h"
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/* Enable C linkage for C++ Compilers: */
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#if defined(__cplusplus)
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extern "C" {
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#endif
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/* Public Interface - May be used in end-application: */
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/* Type Defines: */
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/** Class state structure. An instance of this structure should be made within the user application,
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* and passed to each of the HID class driver functions as the HIDInterfaceInfo parameter. This
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* stores each HID interface's configuration and state information.
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*/
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typedef struct
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{
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const struct
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{
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uint8_t DataINPipeNumber; /**< Pipe number of the MS interface's IN data pipe */
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uint8_t DataOUTPipeNumber; /**< Pipe number of the MS interface's OUT data pipe */
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} Config; /**< Config data for the USB class interface within the device. All elements in this section
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* <b>must</b> be set or the interface will fail to enumerate and operate correctly.
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*/
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struct
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{
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bool Active; /**< Indicates if the current interface instance is connected to an attached device, valid
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* after \ref HID_Host_ConfigurePipes() is called and the Host state machine is in the
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* Configured state
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*/
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uint8_t InterfaceNumber; /**< Interface index of the HID interface within the attached device */
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uint16_t DataINPipeSize; /**< Size in bytes of the MS interface's IN data pipe */
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uint16_t DataOUTPipeSize; /**< Size in bytes of the MS interface's OUT data pipe */
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} State; /**< State data for the USB class interface within the device. All elements in this section
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* <b>may</b> be set to initial values, but may also be ignored to default to sane values when
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* the interface is enumerated.
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*/
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} USB_ClassInfo_MS_Host_t;
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/* Enums: */
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enum
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{
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MS_ENUMERROR_NoError = 0, /**< Configuration Descriptor was processed successfully */
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MS_ENUMERROR_InvalidConfigDescriptor = 1, /**< The device returned an invalid Configuration Descriptor */
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MS_ENUMERROR_NoMSInterfaceFound = 2, /**< A compatible Mass Storage interface was not found in the device's Configuration Descriptor */
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MS_ENUMERROR_EndpointsNotFound = 3, /**< Compatible Mass Storage endpoints were not found in the device's interfaces */
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} MSHost_EnumerationFailure_ErrorCodes_t;
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/* Function Prototypes: */
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void MS_Host_USBTask(USB_ClassInfo_MS_Host_t* MSInterfaceInfo);
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uint8_t MS_Host_ConfigurePipes(USB_ClassInfo_MS_Host_t* MSInterfaceInfo, uint16_t ConfigDescriptorLength,
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uint8_t* DeviceConfigDescriptor);
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/* Private Interface - For use in library only: */
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#if !defined(__DOXYGEN__)
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/* Macros: */
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#define MASS_STORE_CLASS 0x08
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#define MASS_STORE_SUBCLASS 0x06
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#define MASS_STORE_PROTOCOL 0x50
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#define MS_FOUND_DATAPIPE_IN (1 << 0)
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#define MS_FOUND_DATAPIPE_OUT (1 << 1)
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/* Function Prototypes: */
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#if defined(INCLUDE_FROM_MS_CLASS_HOST_C)
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static uint8_t DComp_NextMassStorageInterface(void* CurrentDescriptor);
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static uint8_t DComp_NextInterfaceBulkDataEndpoint(void* CurrentDescriptor);
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#endif
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#endif
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/* Disable C linkage for C++ Compilers: */
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#if defined(__cplusplus)
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}
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#endif
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#endif
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/** @} */
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