/*
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
*
* Header file for MassStoreCommands.c.
*/
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+
#ifndef _MASS_STORE_COMMANDS_H_
#define _MASS_STORE_COMMANDS_H_
/** Command Static Wrapper signature byte, for verification of valid CSW blocks. */
#define CSW_SIGNATURE 0x53425355UL
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+
/** Data direction mask for the Flags field of a CBW, indicating Host-to-Device transfer direction. */
#define COMMAND_DIRECTION_DATA_OUT (0 << 7)
/** Data direction mask for the Flags field of a CBW, indicating Device-to-Host transfer direction. */
#define COMMAND_DIRECTION_DATA_IN (1 << 7)
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/** Timeout period between the issuing of a CBW to a device, and the reception of the first packet. */
#define COMMAND_DATA_TIMEOUT_MS 10000
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/** Additional error code for Mass Storage functions when a device returns a logical command failure. */
#define MASS_STORE_SCSI_COMMAND_FAILED 0xC0
uint8_t SCSICommandLength; /**< Length of the SCSI command in the CBW */
uint8_t SCSICommandData[16]; /**< SCSI command to issue to the device */
} CommandBlockWrapper_t;
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/** Type define for a Mass Storage class Command Status Wrapper, used to wrap SCSI
* responses for transport over the USB bulk endpoints from the device.
*/
uint32_t DataTransferResidue; /**< Length of data not transferred */
uint8_t Status; /**< Command status, a value from the MassStorageHost_CommandStatusCodes_t enum */
} CommandStatusWrapper_t;
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+
/** Type define for a SCSI Sense structure. Structures of this type are filled out by the
* device via the \ref MassStore_RequestSense() function, indicating the current sense data of the
* device (giving explicit error codes for the last issued command). For details of the
uint8_t ResponseCode;
uint8_t SegmentNumber;
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unsigned char SenseKey : 4;
unsigned char Reserved : 1;
unsigned char ILI : 1;
unsigned char EOM : 1;
unsigned char FileMark : 1;
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+
uint8_t Information[4];
uint8_t AdditionalLength;
uint8_t CmdSpecificInformation[4];
{
unsigned char DeviceType : 5;
unsigned char PeripheralQualifier : 3;
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unsigned char Reserved : 7;
unsigned char Removable : 1;
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uint8_t Version;
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unsigned char ResponseDataFormat : 4;
unsigned char Reserved2 : 1;
unsigned char NormACA : 1;
unsigned char WideBus16Bit : 1;
unsigned char WideBus32Bit : 1;
unsigned char RelAddr : 1;
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+
uint8_t VendorID[8];
uint8_t ProductID[16];
uint8_t RevisionID[4];
} SCSI_Inquiry_Response_t;
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+
/** 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 \ref MassStore_ReadCapacity() function is called.
Command_Fail = 1, /**< Command failed to complete successfully */
Phase_Error = 2 /**< Phase error while processing the issued command */
};
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+
/* Function Prototypes: */
#if defined(INCLUDE_FROM_MASSSTORE_COMMANDS_C)
static uint8_t MassStore_SendCommand(CommandBlockWrapper_t* const SCSICommandBlock,
void* BufferPtr) ATTR_NON_NULL_PTR_ARG(1);
static uint8_t MassStore_GetReturnedStatus(CommandStatusWrapper_t* const SCSICommandStatus) ATTR_NON_NULL_PTR_ARG(1);
#endif
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uint8_t MassStore_MassStorageReset(void);
uint8_t MassStore_GetMaxLUN(uint8_t* const MaxLUNIndex);
uint8_t MassStore_RequestSense(const uint8_t LUNIndex,
const bool PreventRemoval);
#endif
+
projects / pub / lufa.git / blobdiff