151 lines
5.1 KiB
C
151 lines
5.1 KiB
C
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/*
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LUFA Library
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Copyright (C) Dean Camera, 2019.
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dean [at] fourwalledcubicle [dot] com
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www.lufa-lib.org
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*/
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/*
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Copyright 2019 Dean Camera (dean [at] fourwalledcubicle [dot] com)
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Permission to use, copy, modify, distribute, and sell this
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software and its documentation for any purpose is hereby granted
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without fee, provided that the above copyright notice appear in
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all 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 disclaims 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>
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#include <LUFA/Drivers/USB/USB.h>
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#include <LUFA/Drivers/Board/LEDs.h>
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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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/* 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[in] Key New SCSI sense key to set the sense code to
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* \param[in] Acode New SCSI additional sense key to set the additional sense code to
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* \param[in] 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) do { SenseData.SenseKey = (Key); \
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SenseData.AdditionalSenseCode = (Acode); \
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SenseData.AdditionalSenseQualifier = (Aqual); } while (0)
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/** Macro for the \ref 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 \ref 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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/** Value for the DeviceType entry in the SCSI_Inquiry_Response_t enum, indicating a Block Media device. */
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#define DEVICE_TYPE_BLOCK 0x00
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/** Value for the DeviceType entry in the SCSI_Inquiry_Response_t enum, indicating a CD-ROM device. */
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#define DEVICE_TYPE_CDROM 0x05
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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 DeviceType : 5;
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unsigned PeripheralQualifier : 3;
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unsigned Reserved : 7;
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unsigned Removable : 1;
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uint8_t Version;
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unsigned ResponseDataFormat : 4;
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unsigned Reserved2 : 1;
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unsigned NormACA : 1;
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unsigned TrmTsk : 1;
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unsigned AERC : 1;
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uint8_t AdditionalLength;
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uint8_t Reserved3[2];
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unsigned SoftReset : 1;
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unsigned CmdQue : 1;
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unsigned Reserved4 : 1;
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unsigned Linked : 1;
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unsigned Sync : 1;
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unsigned WideBus16Bit : 1;
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unsigned WideBus32Bit : 1;
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unsigned 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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} MS_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 SenseKey : 4;
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unsigned Reserved : 1;
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unsigned ILI : 1;
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unsigned EOM : 1;
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unsigned 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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} MS_SCSI_Request_Sense_Response_t;
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/* Function Prototypes: */
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bool 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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static bool SCSI_Command_ModeSense_6(void);
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#endif
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#endif
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