/*
LUFA Library
Copyright (C) Dean Camera, 2010.
-
+
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
- Permission to use, copy, modify, distribute, and sell this
+ 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
+ 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
+ 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
/* Includes: */
#include "../../USB.h"
#include "../Common/MassStorage.h"
-
+
/* Enable C linkage for C++ Compilers: */
#if defined(__cplusplus)
extern "C" {
/* Macros: */
/** Error code for some Mass Storage Host functions, indicating a logical (and not hardware) error. */
#define MS_ERROR_LOGICAL_CMD_FAILED 0x80
-
+
/* Type Defines: */
/** \brief Mass Storage Class Host Mode Configuration and State Structure.
*
*/
struct
{
- 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. */
+ 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 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. */
} 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.
*/
} USB_ClassInfo_MS_Host_t;
-
+
/** \brief SCSI Device LUN Capacity Structure.
*
* SCSI capacity structure, to hold the total capacity of the device in both the number
} SCSI_Capacity_t;
/* Enums: */
- enum MSHost_EnumerationFailure_ErrorCodes_t
+ enum MS_Host_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_NoCompatibleInterfaceFound = 2, /**< A compatible Mass Storage interface was not found in the device's Configuration Descriptor. */
};
-
+
/* Function Prototypes: */
/** 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
* 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.
+ * \note The pipe index numbers as given in the interface's configuration structure must not overlap with any other
+ * interface, or pipe bank corruption will occur. Gaps in the allocated pipe numbers or non-sequential indexes
+ * within a single interface is allowed, but no two interfaces of any type have have interleaved pipe indexes.
*
- * \return A value from the \ref MSHost_EnumerationFailure_ErrorCodes_t enum.
+ * \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] ConfigDescriptorData Pointer to a buffer containing the attached device's Configuration Descriptor.
+ *
+ * \return A value from the \ref MS_Host_EnumerationFailure_ErrorCodes_t enum.
*/
- 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);
+ uint8_t MS_Host_ConfigurePipes(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,
+ uint16_t ConfigDescriptorSize,
+ void* ConfigDescriptorData) 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.
*
* \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.
*
- * \pre This function must only be called when the Host state machine is in the HOST_STATE_Configured state or the
+ * \pre This function must only be called when the Host state machine is in the \ref 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.
+ * \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum or \ref 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);
* \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 \ref 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.
*
- * \pre This function must only be called when the Host state machine is in the HOST_STATE_Configured state or the
+ * \pre This function must only be called when the Host state machine is in the \ref 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.
+ * \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum or \ref 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.
*
- * \pre This function must only be called when the Host state machine is in the HOST_STATE_Configured state or the
+ * \pre This function must only be called when the Host state machine is in the \ref 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.
+ * \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum or \ref 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.
*
- * \pre This function must only be called when the Host state machine is in the HOST_STATE_Configured state or the
+ * \pre This function must only be called when the Host state machine is in the \ref 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.
+ * \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum or \ref 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.
*
- * \pre This function must only be called when the Host state machine is in the HOST_STATE_Configured state or the
+ * \pre This function must only be called when the Host state machine is in the \ref 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] 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 \ref 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.
*
- * \pre This function must only be called when the Host state machine is in the HOST_STATE_Configured state or the
+ * \pre This function must only be called when the Host state machine is in the \ref 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] 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 \ref 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 Mass Storage 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)
#define CBW_SIGNATURE 0x43425355UL
#define CSW_SIGNATURE 0x53425355UL
-
+
#define COMMAND_DIRECTION_DATA_OUT (0 << 7)
#define COMMAND_DIRECTION_DATA_IN (1 << 7)
-
+
#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_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);
-
+ #if defined(__INCLUDE_FROM_MS_CLASS_HOST_C)
+ static uint8_t DCOMP_MS_Host_NextMSInterface(void* const CurrentDescriptor) ATTR_NON_NULL_PTR_ARG(1);
+ static uint8_t DCOMP_MS_Host_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) 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)
- ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2);
+ static uint8_t MS_Host_SendReceiveData(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,
+ 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)
ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2);
#endif
#endif
-
+
/* Disable C linkage for C++ Compilers: */
#if defined(__cplusplus)
}
#endif
/** @} */
+
projects / pub / USBasp.git / blobdiff