X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/b221e7d175e4b5ca463fdd6d05b8c3fc71bd7c40..d11ed10c5314c44dc01c06954d1d73d4894cbff8:/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 f6a1b61c2..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
@@ -56,102 +56,42 @@
/* Public Interface - May be used in end-application: */
/* Macros: */
/** Error code for some Mass Storage Host functions, indicating a logical (and not hardware) error */
- #define MS_ERROR_LOGICAL_CMD_FAILED 0xC0
+ #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 IsActive; /**< 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
+ * after \ref MS_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 */
+ 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
@@ -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* 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
@@ -188,13 +120,13 @@
* 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.
@@ -203,30 +135,39 @@
*
* \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.
*
+ * \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
*
* \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.
*
@@ -235,45 +176,60 @@
*
* \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.
*
+ * \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
*
* \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.
*
+ * \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
*
* \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.
*
+ * \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
*
* \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.
*
+ * \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
@@ -283,11 +239,15 @@
*
* \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_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.
*
+ * \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
@@ -297,8 +257,22 @@
*
* \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);
+
+ /* 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__)
@@ -316,24 +290,24 @@
#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_NextMSInterface(void* CurrentDescriptor);
- static uint8_t DComp_NextMSInterfaceEndpoint(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_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* 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_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