X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/8ba51f090f7cafb36e1108cc58e68f5d71bc13c0..d11ed10c5314c44dc01c06954d1d73d4894cbff8:/LUFA/Drivers/USB/Class/Host/MassStorage.h?ds=sidebyside diff --git a/LUFA/Drivers/USB/Class/Host/MassStorage.h b/LUFA/Drivers/USB/Class/Host/MassStorage.h index a651a88f8..6dda5c0a9 100644 --- a/LUFA/Drivers/USB/Class/Host/MassStorage.h +++ b/LUFA/Drivers/USB/Class/Host/MassStorage.h @@ -1,21 +1,21 @@ /* LUFA Library - Copyright (C) Dean Camera, 2009. + Copyright (C) Dean Camera, 2010. dean [at] fourwalledcubicle [dot] com www.fourwalledcubicle.com */ /* - Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com) + Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com) - Permission to use, copy, modify, and distribute this software - and its documentation for any purpose and without fee is hereby - granted, 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 + 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 @@ -67,8 +67,11 @@ { const struct { - uint8_t DataINPipeNumber; /**< Pipe number of the MS interface's IN data pipe */ - uint8_t DataOUTPipeNumber; /**< Pipe number of the MS interface's OUT data pipe */ + uint8_t DataINPipeNumber; /**< Pipe number of the Mass Storage interface's IN data pipe */ + bool DataINPipeDoubleBank; /** Indicates if the Mass Storage interface's IN data pipe should use double banking */ + + uint8_t DataOUTPipeNumber; /**< Pipe number of the Mass Storage interface's OUT data pipe */ + bool DataOUTPipeDoubleBank; /** Indicates if the Mass Storage interface's OUT data pipe should use double banking */ } Config; /**< Config data for the USB class interface within the device. All elements in this section * must be set or the interface will fail to enumerate and operate correctly. */ @@ -80,78 +83,15 @@ */ uint8_t InterfaceNumber; /**< Interface index of the Mass Storage interface within the attached device */ - uint16_t DataINPipeSize; /**< Size in bytes of the MS interface's IN data pipe */ - uint16_t DataOUTPipeSize; /**< Size in bytes of the MS interface's OUT data pipe */ + uint16_t DataINPipeSize; /**< Size in bytes of the Mass Storage interface's IN data pipe */ + uint16_t DataOUTPipeSize; /**< Size in bytes of the Mass Storage interface's OUT data pipe */ - uint32_t TransactionTag; /**< Current transaction tag for data synchronising of packets */ + uint32_t TransactionTag; /**< Current transaction tag for data synchronizing of packets */ } State; /**< State data for the USB class interface within the device. All elements in this section * may be set to initial values, but may also be ignored to default to sane values when * the interface is enumerated. */ } USB_ClassInfo_MS_Host_t; - - /** Type define for a SCSI Sense structure. Structures of this type are filled out by the - * device via the MassStore_RequestSense() function, indicating the current sense data of the - * device (giving explicit error codes for the last issued command). For details of the - * structure contents, refer to the SCSI specifications. - */ - typedef struct - { - uint8_t ResponseCode; - - uint8_t SegmentNumber; - - unsigned char SenseKey : 4; - unsigned char _RESERVED1 : 1; - unsigned char ILI : 1; - unsigned char EOM : 1; - unsigned char FileMark : 1; - - uint8_t Information[4]; - uint8_t AdditionalLength; - uint8_t CmdSpecificInformation[4]; - uint8_t AdditionalSenseCode; - uint8_t AdditionalSenseQualifier; - uint8_t FieldReplaceableUnitCode; - uint8_t SenseKeySpecific[3]; - } SCSI_Request_Sense_Response_t; - - /** Type define for a SCSI Inquiry structure. Structures of this type are filled out by the - * device via the MassStore_Inquiry() function, retrieving the attached device's information. - * For details of the structure contents, refer to the SCSI specifications. - */ - typedef struct - { - unsigned char DeviceType : 5; - unsigned char PeripheralQualifier : 3; - - unsigned char _RESERVED1 : 7; - unsigned char Removable : 1; - - uint8_t Version; - - unsigned char ResponseDataFormat : 4; - unsigned char _RESERVED2 : 1; - unsigned char NormACA : 1; - unsigned char TrmTsk : 1; - unsigned char AERC : 1; - - uint8_t AdditionalLength; - uint8_t _RESERVED3[2]; - - unsigned char SoftReset : 1; - unsigned char CmdQue : 1; - unsigned char _RESERVED4 : 1; - unsigned char Linked : 1; - unsigned char Sync : 1; - unsigned char WideBus16Bit : 1; - unsigned char WideBus32Bit : 1; - unsigned char RelAddr : 1; - - uint8_t VendorID[8]; - uint8_t ProductID[16]; - uint8_t RevisionID[4]; - } SCSI_Inquiry_Response_t; /** SCSI capacity structure, to hold the total capacity of the device in both the number * of blocks in the current LUN, and the size of each block. This structure is filled by @@ -173,14 +113,6 @@ }; /* Function Prototypes: */ - /** General management task for a given Mass Storage host 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 an MS Class host configuration and state - */ - void MS_Host_USBTask(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1); - /** Host interface configuration routine, to configure a given Mass Storage host interface instance using the * Configuration Descriptor read from an attached USB device. This function automatically updates the given Mass * Storage Host instance's state values and configures the pipes required to communicate with the interface if it @@ -194,7 +126,7 @@ * \return A value from the \ref MSHost_EnumerationFailure_ErrorCodes_t enum */ uint8_t MS_Host_ConfigurePipes(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, uint16_t ConfigDescriptorSize, - uint8_t* DeviceConfigDescriptor) ATTR_NON_NULL_PTR_ARG(1, 3); + void* DeviceConfigDescriptor) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(3); /** Sends a MASS STORAGE RESET control request to the attached device, resetting the Mass Storage Interface * and readying it for the next Mass Storage command. @@ -209,16 +141,24 @@ * UNit, a logical drive) in the device. This value can then be used in the other functions of the Mass Storage * Host mode Class driver to address a specific LUN within the device. * + * \note Some devices do not support this request, and will STALL it when issued. To get around this, + * on unsupported devices the max LUN index will be reported as zero and no error will be returned + * if the device STALLs the request. + * * \param[in,out] MSInterfaceInfo Pointer to a structure containing a MS Class host configuration and state * \param[out] MaxLUNIndex Pointer to a location where the highest LUN index value should be stored * * \return A value from the \ref USB_Host_SendControlErrorCodes_t enum */ - uint8_t MS_Host_GetMaxLUN(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, uint8_t* const MaxLUNIndex) ATTR_NON_NULL_PTR_ARG(1, 2); + uint8_t MS_Host_GetMaxLUN(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, uint8_t* const MaxLUNIndex) + ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2); /** Retrieves the Mass Storage device's inquiry data for the specified LUN, indicating the device characteristics and * properties. * + * \note This function must only be called when the Host state machine is in the HOST_STATE_Configured state or the + * call will fail. + * * \param[in,out] MSInterfaceInfo Pointer to a structure containing a MS Class host configuration and state * \param[in] LUNIndex LUN index within the device the command is being issued to * \param[out] InquiryData Location where the read inquiry data should be stored @@ -226,7 +166,8 @@ * \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum or MS_ERROR_LOGICAL_CMD_FAILED */ uint8_t MS_Host_GetInquiryData(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, const uint8_t LUNIndex, - SCSI_Inquiry_Response_t* const InquiryData) ATTR_NON_NULL_PTR_ARG(1, 3); + SCSI_Inquiry_Response_t* const InquiryData) ATTR_NON_NULL_PTR_ARG(1) + ATTR_NON_NULL_PTR_ARG(3); /** Sends a TEST UNIT READY command to the device, to determine if it is ready to accept other SCSI commands. * @@ -235,10 +176,14 @@ * * \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum or MS_ERROR_LOGICAL_CMD_FAILED if not ready */ - uint8_t MS_Host_TestUnitReady(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, const uint8_t LUNIndex) ATTR_NON_NULL_PTR_ARG(1); + uint8_t MS_Host_TestUnitReady(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, const uint8_t LUNIndex) + ATTR_NON_NULL_PTR_ARG(1); /** Retrieves the total capacity of the attached USB Mass Storage device, in blocks, and block size. * + * \note This function must only be called when the Host state machine is in the HOST_STATE_Configured state or the + * call will fail. + * * \param[in,out] MSInterfaceInfo Pointer to a structure containing a MS Class host configuration and state * \param[in] LUNIndex LUN index within the device the command is being issued to * \param[out] DeviceCapacity Pointer to the location where the capacity information should be stored @@ -246,11 +191,15 @@ * \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum or MS_ERROR_LOGICAL_CMD_FAILED if not ready */ uint8_t MS_Host_ReadDeviceCapacity(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, const uint8_t LUNIndex, - SCSI_Capacity_t* const DeviceCapacity) ATTR_NON_NULL_PTR_ARG(1, 3); + SCSI_Capacity_t* const DeviceCapacity) ATTR_NON_NULL_PTR_ARG(1) + ATTR_NON_NULL_PTR_ARG(3); /** Retrieves the device sense data, indicating the current device state and error codes for the previously * issued command. * + * \note This function must only be called when the Host state machine is in the HOST_STATE_Configured state or the + * call will fail. + * * \param[in,out] MSInterfaceInfo Pointer to a structure containing a MS Class host configuration and state * \param[in] LUNIndex LUN index within the device the command is being issued to * \param[out] SenseData Pointer to the location where the sense information should be stored @@ -258,11 +207,15 @@ * \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum or MS_ERROR_LOGICAL_CMD_FAILED if not ready */ uint8_t MS_Host_RequestSense(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, const uint8_t LUNIndex, - SCSI_Request_Sense_Response_t* const SenseData) ATTR_NON_NULL_PTR_ARG(1, 3); + SCSI_Request_Sense_Response_t* const SenseData) ATTR_NON_NULL_PTR_ARG(1) + ATTR_NON_NULL_PTR_ARG(3); /** Issues a PREVENT MEDIUM REMOVAL command, to logically (or, depending on the type of device, physically) lock * the device from removal so that blocks of data on the medium can be read or altered. * + * \note This function must only be called when the Host state machine is in the HOST_STATE_Configured state or the + * call will fail. + * * \param[in,out] MSInterfaceInfo Pointer to a structure containing a MS Class host configuration and state * \param[in] LUNIndex LUN index within the device the command is being issued to * \param[in] PreventRemoval Boolean true if the device should be locked from removal, false otherwise @@ -274,6 +227,9 @@ /** Reads blocks of data from the attached Mass Storage device's medium. * + * \note This function must only be called when the Host state machine is in the HOST_STATE_Configured state or the + * call will fail. + * * \param[in,out] MSInterfaceInfo Pointer to a structure containing a MS Class host configuration and state * \param[in] LUNIndex LUN index within the device the command is being issued to * \param[in] BlockAddress Starting block address within the device to read from @@ -285,10 +241,13 @@ */ uint8_t MS_Host_ReadDeviceBlocks(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, const uint8_t LUNIndex, const uint32_t BlockAddress, const uint8_t Blocks, const uint16_t BlockSize, - void* BlockBuffer) ATTR_NON_NULL_PTR_ARG(1, 6); + void* BlockBuffer) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(6); /** Writes blocks of data to the attached Mass Storage device's medium. * + * \note This function must only be called when the Host state machine is in the HOST_STATE_Configured state or the + * call will fail. + * * \param[in,out] MSInterfaceInfo Pointer to a structure containing a MS Class host configuration and state * \param[in] LUNIndex LUN index within the device the command is being issued to * \param[in] BlockAddress Starting block address within the device to write to @@ -300,7 +259,20 @@ */ uint8_t MS_Host_WriteDeviceBlocks(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, const uint8_t LUNIndex, const uint32_t BlockAddress, const uint8_t Blocks, const uint16_t BlockSize, - void* BlockBuffer) ATTR_NON_NULL_PTR_ARG(1, 6); + void* BlockBuffer) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(6); + + /* Inline Functions: */ + /** General management task for a given Mass Storage host 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 an MS Class host configuration and state + */ + static inline void MS_Host_USBTask(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo); + static inline void MS_Host_USBTask(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo) + { + (void)MSInterfaceInfo; + } /* Private Interface - For use in library only: */ #if !defined(__DOXYGEN__) @@ -318,7 +290,7 @@ #define COMMAND_DIRECTION_DATA_OUT (0 << 7) #define COMMAND_DIRECTION_DATA_IN (1 << 7) - #define COMMAND_DATA_TIMEOUT_MS 2000 + #define COMMAND_DATA_TIMEOUT_MS 10000 #define MS_FOUND_DATAPIPE_IN (1 << 0) #define MS_FOUND_DATAPIPE_OUT (1 << 1)