*
* \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 <i>(Makefile source module name: LUFA_SRC_USBCLASS)</i>
*
* \section Module Description
* Host Mode USB Class driver framework interface, for the Mass Storage USB Class driver.
{
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
* <b>must</b> be set or the interface will fail to enumerate and operate correctly.
*/
{
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
* <b>may</b> be set to initial values, but may also be ignored to default to sane values when
* the interface is enumerated.
*
* 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: */
* 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);
* 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: */
* 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)
/* 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