X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/05ac59d0eeb956adc316d89ee06ca13bd3c11aac..5dfa25f81acb5480aec091d3391ba3be2d33600d:/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 e4f7415c4..a6b32c791 100644 --- a/LUFA/Drivers/USB/Class/Host/MassStorage.h +++ b/LUFA/Drivers/USB/Class/Host/MassStorage.h @@ -42,7 +42,7 @@ * * \section Sec_Dependencies Module Source Dependencies * The following files must be built with any user project that uses this module: - * - LUFA/Drivers/USB/Class/Host/MassStorage.c + * - LUFA/Drivers/USB/Class/Host/MassStorage.c (Makefile source module name: LUFA_SRC_USBCLASS) * * \section Module Description * Host Mode USB Class driver framework interface, for the Mass Storage USB Class driver. @@ -69,7 +69,7 @@ /* Public Interface - May be used in end-application: */ /* Macros: */ - /** Error code for some Mass Storage Host functions, indicating a logical (and not hardware) error */ + /** Error code for some Mass Storage Host functions, indicating a logical (and not hardware) error. */ #define MS_ERROR_LOGICAL_CMD_FAILED 0x80 /* Type Defines: */ @@ -83,11 +83,11 @@ { const struct { - 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 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 */ + 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. */ @@ -95,14 +95,14 @@ { 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 + * Configured state. */ - uint8_t InterfaceNumber; /**< Interface index of the Mass Storage interface within the attached device */ + uint8_t InterfaceNumber; /**< Interface index of the Mass Storage interface within the attached device. */ - 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 */ + 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 synchronizing 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. @@ -113,21 +113,21 @@ * * 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 - * the device when the MassStore_ReadCapacity() function is called. + * the device when the \ref MS_Host_ReadDeviceCapacity() function is called. */ typedef struct { - uint32_t Blocks; /**< Number of blocks in the addressed LUN of the device */ - uint32_t BlockSize; /**< Number of bytes in each block in the addressed LUN */ + uint32_t Blocks; /**< Number of blocks in the addressed LUN of the device. */ + uint32_t BlockSize; /**< Number of bytes in each block in the addressed LUN. */ } SCSI_Capacity_t; /* Enums: */ enum MSHost_EnumerationFailure_ErrorCodes_t { - MS_ENUMERROR_NoError = 0, /**< Configuration Descriptor was processed successfully */ - MS_ENUMERROR_InvalidConfigDescriptor = 1, /**< The device returned an invalid Configuration Descriptor */ - MS_ENUMERROR_NoMSInterfaceFound = 2, /**< A compatible Mass Storage interface was not found in the device's Configuration Descriptor */ - MS_ENUMERROR_EndpointsNotFound = 3, /**< Compatible Mass Storage endpoints were not found in the device's interfaces */ + MS_ENUMERROR_NoError = 0, /**< Configuration Descriptor was processed successfully. */ + MS_ENUMERROR_InvalidConfigDescriptor = 1, /**< The device returned an invalid Configuration Descriptor. */ + MS_ENUMERROR_NoMSInterfaceFound = 2, /**< A compatible Mass Storage interface was not found in the device's Configuration Descriptor. */ + MS_ENUMERROR_EndpointsNotFound = 3, /**< Compatible Mass Storage endpoints were not found in the device's interfaces. */ }; /* Function Prototypes: */ @@ -137,21 +137,22 @@ * is found within the device. This should be called once after the stack has enumerated the attached device, while * 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] ConfigDescriptorSize Length of the attached device's Configuration Descriptor - * \param[in] DeviceConfigDescriptor Pointer to a buffer containing the attached device's Configuration Descriptor + * \param[in,out] MSInterfaceInfo Pointer to a structure containing an MS Class host configuration and state. + * \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 + * \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 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. * - * \param[in,out] MSInterfaceInfo Pointer to a structure containing a MS Class host configuration and state + * \param[in,out] MSInterfaceInfo Pointer to a structure containing a MS Class host configuration and state. * - * \return A value from the \ref USB_Host_SendControlErrorCodes_t enum + * \return A value from the \ref USB_Host_SendControlErrorCodes_t enum. */ uint8_t MS_Host_ResetMSInterface(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1); @@ -163,120 +164,130 @@ * 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 + * \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 + * \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) ATTR_NON_NULL_PTR_ARG(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. + * \pre 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 + * \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. * - * \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum or MS_ERROR_LOGICAL_CMD_FAILED + * \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, + 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. * - * \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,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. * - * \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum or MS_ERROR_LOGICAL_CMD_FAILED if not ready + * \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. + * \pre 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 + * \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. * - * \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum or MS_ERROR_LOGICAL_CMD_FAILED if not ready + * \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, + 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. * - * \note This function must only be called when the Host state machine is in the HOST_STATE_Configured state or the - * call will fail. + * \pre 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 + * \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. * - * \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum or MS_ERROR_LOGICAL_CMD_FAILED if not ready + * \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, + 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. * - * \note This function must only be called when the Host state machine is in the HOST_STATE_Configured state or the - * call will fail. + * \pre 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 + * \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. * - * \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum or MS_ERROR_LOGICAL_CMD_FAILED if not ready + * \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* const MSInterfaceInfo, const uint8_t LUNIndex, + 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. * - * \note This function must only be called when the Host state machine is in the HOST_STATE_Configured state or the - * call will fail. + * \pre 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 - * \param[in] Blocks Total number of blocks to read - * \param[in] BlockSize Size in bytes of each block within the device - * \param[out] BlockBuffer Pointer to where the read data from the device should be stored + * \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. + * \param[in] Blocks Total number of blocks to read. + * \param[in] BlockSize Size in bytes of each block within the device. + * \param[out] BlockBuffer Pointer to where the read data from the device should be stored. * - * \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum or MS_ERROR_LOGICAL_CMD_FAILED if not ready + * \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* const MSInterfaceInfo, const uint8_t LUNIndex, - const uint32_t BlockAddress, const uint8_t Blocks, const uint16_t BlockSize, + 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. * - * \note This function must only be called when the Host state machine is in the HOST_STATE_Configured state or the - * call will fail. + * \pre 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 - * \param[in] Blocks Total number of blocks to read - * \param[in] BlockSize Size in bytes of each block within the device - * \param[in] BlockBuffer Pointer to where the data to write should be sourced from + * \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. + * \param[in] Blocks Total number of blocks to read. + * \param[in] BlockSize Size in bytes of each block within the device. + * \param[in] BlockBuffer Pointer to where the data to write should be sourced from. * - * \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum or MS_ERROR_LOGICAL_CMD_FAILED if not ready + * \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* const MSInterfaceInfo, const uint8_t LUNIndex, - const uint32_t BlockAddress, const uint8_t Blocks, const uint16_t BlockSize, + 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, const void* BlockBuffer) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(6); /* Inline Functions: */ @@ -284,7 +295,7 @@ * 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 + * \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) @@ -315,17 +326,19 @@ /* Function Prototypes: */ #if defined(__INCLUDE_FROM_MS_CLASS_HOST_C) - static uint8_t DCOMP_MS_NextMSInterface(void* const CurrentDescriptor); - static uint8_t DCOMP_MS_NextMSInterfaceEndpoint(void* const CurrentDescriptor); + static uint8_t DCOMP_MS_NextMSInterface(void* const CurrentDescriptor) ATTR_NON_NULL_PTR_ARG(1); + static uint8_t DCOMP_MS_NextMSInterfaceEndpoint(void* const CurrentDescriptor) ATTR_NON_NULL_PTR_ARG(1); static uint8_t MS_Host_SendCommand(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, MS_CommandBlockWrapper_t* const SCSICommandBlock, - const void* const BufferPtr); - static uint8_t MS_Host_WaitForDataReceived(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo); + const void* const BufferPtr) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2); + static uint8_t MS_Host_WaitForDataReceived(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1); static uint8_t MS_Host_SendReceiveData(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, - MS_CommandBlockWrapper_t* const SCSICommandBlock, void* BufferPtr); + MS_CommandBlockWrapper_t* const SCSICommandBlock, + void* BufferPtr) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2); static uint8_t MS_Host_GetReturnedStatus(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, - MS_CommandStatusWrapper_t* const SCSICommandStatus); + MS_CommandStatusWrapper_t* const SCSICommandStatus) + ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2); #endif #endif