X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/d297ea12b706e7099f34f667e43bf1f3de1713e7..24f730fce3f2022762011d795c3feada5ef874b3:/LUFA/Drivers/USB/Class/Host/MassStorage.h diff --git a/LUFA/Drivers/USB/Class/Host/MassStorage.h b/LUFA/Drivers/USB/Class/Host/MassStorage.h index f347b1993..aa70733f5 100644 --- a/LUFA/Drivers/USB/Class/Host/MassStorage.h +++ b/LUFA/Drivers/USB/Class/Host/MassStorage.h @@ -55,102 +55,43 @@ /* Public Interface - May be used in end-application: */ /* Macros: */ - #define MS_ERROR_LOGICAL_CMD_FAILED 0xC0 + /** Error code for some Mass Storage Host functions, indicating a logical (and not hardware) error */ + #define MS_ERROR_LOGICAL_CMD_FAILED 0x80 /* Type Defines: */ /** Class state structure. An instance of this structure should be made within the user application, - * and passed to each of the HID class driver functions as the HIDInterfaceInfo parameter. This - * stores each HID interface's configuration and state information. + * and passed to each of the Mass Storage class driver functions as the MSInterfaceInfo parameter. This + * stores each Mass Storage interface's configuration and state information. */ typedef struct { 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. */ struct { - bool Active; /**< Indicates if the current interface instance is connected to an attached device, valid - * after \ref HID_Host_ConfigurePipes() is called and the Host state machine is in the - * Configured state - */ - uint8_t InterfaceNumber; /**< Interface index of the HID interface within the attached device */ + bool IsActive; /**< Indicates if the current interface instance is connected to an attached device, valid + * after \ref MS_Host_ConfigurePipes() is called and the Host state machine is in the + * Configured state + */ + 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 ReponseCode; - - 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 @@ -178,7 +119,7 @@ * * \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* MSInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1); + 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 @@ -187,13 +128,13 @@ * the host state machine is in the Addressed state. * * \param[in,out] MSInterfaceInfo Pointer to a structure containing an MS Class host configuration and state - * \param[in] ConfigDescriptorLength Length of the attached device's Configuration Descriptor + * \param[in] ConfigDescriptorSize Length of the attached device's Configuration Descriptor * \param[in] DeviceConfigDescriptor Pointer to a buffer containing the attached device's Configuration Descriptor * * \return A value from the \ref MSHost_EnumerationFailure_ErrorCodes_t enum */ - uint8_t MS_Host_ConfigurePipes(USB_ClassInfo_MS_Host_t* MSInterfaceInfo, uint16_t ConfigDescriptorLength, - uint8_t* DeviceConfigDescriptor) ATTR_NON_NULL_PTR_ARG(1, 3); + uint8_t MS_Host_ConfigurePipes(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, uint16_t ConfigDescriptorSize, + 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. @@ -202,18 +143,23 @@ * * \return A value from the \ref USB_Host_SendControlErrorCodes_t enum */ - uint8_t MS_Host_ResetMSInterface(USB_ClassInfo_MS_Host_t* MSInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1); + uint8_t MS_Host_ResetMSInterface(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1); /** Sends a GET MAX LUN control request to the attached device, retrieving the index of the highest LUN (Logical * 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* MSInterfaceInfo, uint8_t* 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. @@ -224,8 +170,9 @@ * * \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* MSInterfaceInfo, uint8_t LUNIndex, - SCSI_Inquiry_Response_t* InquiryData) ATTR_NON_NULL_PTR_ARG(1, 3); + 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) + 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. * @@ -234,7 +181,8 @@ * * \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* MSInterfaceInfo, 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. * @@ -244,8 +192,9 @@ * * \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* MSInterfaceInfo, uint8_t LUNIndex, - SCSI_Capacity_t* DeviceCapacity) ATTR_NON_NULL_PTR_ARG(1, 3); + 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) + ATTR_NON_NULL_PTR_ARG(3); /** Retrieves the device sense data, indicating the current device state and error codes for the previously * issued command. @@ -256,8 +205,9 @@ * * \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* MSInterfaceInfo, uint8_t LUNIndex, - SCSI_Request_Sense_Response_t* SenseData) ATTR_NON_NULL_PTR_ARG(1, 3); + 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) + 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. @@ -268,8 +218,8 @@ * * \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_PreventAllowMediumRemoval(USB_ClassInfo_MS_Host_t* MSInterfaceInfo, uint8_t LUNIndex, - bool PreventRemoval) ATTR_NON_NULL_PTR_ARG(1); + uint8_t MS_Host_PreventAllowMediumRemoval(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, const uint8_t LUNIndex, + const bool PreventRemoval) ATTR_NON_NULL_PTR_ARG(1); /** Reads blocks of data from the attached Mass Storage device's medium. * @@ -282,8 +232,9 @@ * * \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_ReadDeviceBlocks(USB_ClassInfo_MS_Host_t* MSInterfaceInfo, uint8_t LUNIndex, uint32_t BlockAddress, - uint8_t Blocks, uint16_t BlockSize, void* BlockBuffer) ATTR_NON_NULL_PTR_ARG(1, 6); + 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) ATTR_NON_NULL_PTR_ARG(6); /** Writes blocks of data to the attached Mass Storage device's medium. * @@ -296,8 +247,9 @@ * * \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_WriteDeviceBlocks(USB_ClassInfo_MS_Host_t* MSInterfaceInfo, uint8_t LUNIndex, uint32_t BlockAddress, - uint8_t Blocks, uint16_t BlockSize, void* BlockBuffer) ATTR_NON_NULL_PTR_ARG(1, 6); + 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) ATTR_NON_NULL_PTR_ARG(6); /* Private Interface - For use in library only: */ #if !defined(__DOXYGEN__) @@ -315,23 +267,24 @@ #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) /* Function Prototypes: */ #if defined(INCLUDE_FROM_MS_CLASS_HOST_C) - static uint8_t DComp_NextMassStorageInterface(void* CurrentDescriptor); - static uint8_t DComp_NextInterfaceBulkDataEndpoint(void* CurrentDescriptor); + static uint8_t DComp_NextMSInterface(void* const CurrentDescriptor); + static uint8_t DComp_NextMSInterfaceEndpoint(void* const CurrentDescriptor); - static uint8_t MS_Host_SendCommand(USB_ClassInfo_MS_Host_t* MSInterfaceInfo, - MS_CommandBlockWrapper_t* SCSICommandBlock); - static uint8_t MS_Host_WaitForDataReceived(USB_ClassInfo_MS_Host_t* MSInterfaceInfo); - static uint8_t MS_Host_SendReceiveData(USB_ClassInfo_MS_Host_t* MSInterfaceInfo, - MS_CommandBlockWrapper_t* SCSICommandBlock, void* BufferPtr); - static uint8_t MS_Host_GetReturnedStatus(USB_ClassInfo_MS_Host_t* MSInterfaceInfo, - MS_CommandStatusWrapper_t* SCSICommandStatus); + static uint8_t MS_Host_SendCommand(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, + MS_CommandBlockWrapper_t* const SCSICommandBlock, + void* BufferPtr); + static uint8_t MS_Host_WaitForDataReceived(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo); + static uint8_t MS_Host_SendReceiveData(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, + MS_CommandBlockWrapper_t* const SCSICommandBlock, void* BufferPtr); + static uint8_t MS_Host_GetReturnedStatus(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, + MS_CommandStatusWrapper_t* const SCSICommandStatus); #endif #endif