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144 lines
5.2 KiB
144 lines
5.2 KiB
16 years ago
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/*
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LUFA Library
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Copyright (C) Dean Camera, 2009.
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dean [at] fourwalledcubicle [dot] com
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www.fourwalledcubicle.com
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*/
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/*
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Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)
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Permission to use, copy, modify, and distribute this software
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and its documentation for any purpose and without fee is hereby
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granted, provided that the above copyright notice appear in all
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copies and that both that the copyright notice and this
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permission notice and warranty disclaimer appear in supporting
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documentation, and that the name of the author not be used in
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advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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The author disclaim all warranties with regard to this
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software, including all implied warranties of merchantability
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and fitness. In no event shall the author be liable for any
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special, indirect or consequential damages or any damages
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whatsoever resulting from loss of use, data or profits, whether
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in an action of contract, negligence or other tortious action,
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arising out of or in connection with the use or performance of
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this software.
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*/
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/** \file
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*
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* Header file for SCSI.c.
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*/
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#ifndef _SCSI_H_
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#define _SCSI_H_
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/* Includes: */
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#include <avr/io.h>
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#include <avr/pgmspace.h>
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#include <LUFA/Common/Common.h> // Function Attribute, Atomic, Debug and ISR Macros
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#include <LUFA/Drivers/USB/USB.h> // USB Functionality
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#include <LUFA/Drivers/Board/LEDs.h> // LEDs driver
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#include "MassStorage.h"
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#include "Descriptors.h"
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#include "DataflashManager.h"
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#include "SCSI_Codes.h"
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/* Macros: */
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/** Macro to set the current SCSI sense data to the given key, additional sense code and additional sense qualifier. This
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* is for convenience, as it allows for all three sense values (returned upon request to the host to give information about
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* the last command failure) in a quick and easy manner.
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*
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* \param key New SCSI sense key to set the sense code to
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* \param acode New SCSI additional sense key to set the additional sense code to
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* \param aqual New SCSI additional sense key qualifier to set the additional sense qualifier code to
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*/
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#define SCSI_SET_SENSE(key, acode, aqual) MACROS{ SenseData.SenseKey = key; \
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SenseData.AdditionalSenseCode = acode; \
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SenseData.AdditionalSenseQualifier = aqual; }MACROE
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/** Macro for the SCSI_Command_ReadWrite_10() function, to indicate that data is to be read from the storage medium. */
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#define DATA_READ true
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/** Macro for the SCSI_Command_ReadWrite_10() function, to indicate that data is to be written to the storage medium. */
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#define DATA_WRITE false
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/* Type Defines: */
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/** Type define for a SCSI response structure to a SCSI INQUIRY command. For details of the
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* structure contents, refer to the SCSI specifications.
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*/
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typedef struct
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{
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unsigned int DeviceType : 5;
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unsigned int PeripheralQualifier : 3;
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unsigned int _RESERVED1 : 7;
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unsigned int Removable : 1;
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uint8_t Version;
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unsigned int ResponseDataFormat : 4;
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unsigned int _RESERVED2 : 1;
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unsigned int NormACA : 1;
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unsigned int TrmTsk : 1;
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unsigned int AERC : 1;
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uint8_t AdditionalLength;
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uint8_t _RESERVED3[2];
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unsigned int SoftReset : 1;
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unsigned int CmdQue : 1;
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unsigned int _RESERVED4 : 1;
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unsigned int Linked : 1;
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unsigned int Sync : 1;
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unsigned int WideBus16Bit : 1;
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unsigned int WideBus32Bit : 1;
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unsigned int RelAddr : 1;
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uint8_t VendorID[8];
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uint8_t ProductID[16];
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uint8_t RevisionID[4];
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} SCSI_Inquiry_Response_t;
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/** Type define for a SCSI sense structure to a SCSI REQUEST SENSE command. For details of the
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* structure contents, refer to the SCSI specifications.
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*/
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typedef struct
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{
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uint8_t ResponseCode;
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uint8_t SegmentNumber;
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unsigned int SenseKey : 4;
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unsigned int _RESERVED1 : 1;
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unsigned int ILI : 1;
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unsigned int EOM : 1;
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unsigned int FileMark : 1;
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uint8_t Information[4];
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uint8_t AdditionalLength;
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uint8_t CmdSpecificInformation[4];
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uint8_t AdditionalSenseCode;
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uint8_t AdditionalSenseQualifier;
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uint8_t FieldReplaceableUnitCode;
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uint8_t SenseKeySpecific[3];
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} SCSI_Request_Sense_Response_t;
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/* Function Prototypes: */
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void SCSI_DecodeSCSICommand(void);
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#if defined(INCLUDE_FROM_SCSI_C)
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static bool SCSI_Command_Inquiry(void);
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static bool SCSI_Command_Request_Sense(void);
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static bool SCSI_Command_Read_Capacity_10(void);
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static bool SCSI_Command_Send_Diagnostic(void);
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static bool SCSI_Command_ReadWrite_10(const bool IsDataRead);
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#endif
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#endif
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