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/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
/*
Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
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
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether
in an action of contract, negligence or other tortious action,
arising out of or in connection with the use or performance of
this software.
*/
/** \file
*
* Header file for SCSI.c.
*/
/** Total number of bytes of the storage medium, comprised of one or more Dataflash ICs. */
#define VIRTUAL_MEMORY_BYTES ((uint32_t)512 * (uint32_t)4500) //((uint32_t)DATAFLASH_PAGES * DATAFLASH_PAGE_SIZE * DATAFLASH_TOTALCHIPS)
/** Block size of the device. This is kept at 512 to remain compatible with the OS despite the underlying
* storage media (Dataflash) using a different native block size. Do not change this value.
*/
#define VIRTUAL_MEMORY_BLOCK_SIZE 512
/** Total number of blocks of the virtual memory for reporting to the host as the device's total capacity. Do not
* change this value; change VIRTUAL_MEMORY_BYTES instead to alter the media size.
*/
#define VIRTUAL_MEMORY_BLOCKS (VIRTUAL_MEMORY_BYTES / VIRTUAL_MEMORY_BLOCK_SIZE)
#ifndef _SCSI_H_
#define _SCSI_H_
/* Includes: */
#include <avr/io.h>
#include <avr/pgmspace.h>
#include <LUFA/Drivers/USB/USB.h>
#include "MassStorage.h"
#include "Descriptors.h"
/* Macros: */
/** Macro to set the current SCSI sense data to the given key, additional sense code and additional sense qualifier. This
* is for convenience, as it allows for all three sense values (returned upon request to the host to give information about
* the last command failure) in a quick and easy manner.
*
* \param[in] Key New SCSI sense key to set the sense code to
* \param[in] Acode New SCSI additional sense key to set the additional sense code to
* \param[in] Aqual New SCSI additional sense key qualifier to set the additional sense qualifier code to
*/
#define SCSI_SET_SENSE(Key, Acode, Aqual) MACROS{ SenseData.SenseKey = (Key); \
SenseData.AdditionalSenseCode = (Acode); \
SenseData.AdditionalSenseQualifier = (Aqual); }MACROE
/** Macro for the \ref SCSI_Command_ReadWrite_10() function, to indicate that data is to be read from the storage medium. */
#define DATA_READ true
/** Macro for the \ref SCSI_Command_ReadWrite_10() function, to indicate that data is to be written to the storage medium. */
#define DATA_WRITE false
/** Value for the DeviceType entry in the SCSI_Inquiry_Response_t enum, indicating a Block Media device. */
#define DEVICE_TYPE_BLOCK 0x00
/** Value for the DeviceType entry in the SCSI_Inquiry_Response_t enum, indicating a CD-ROM device. */
#define DEVICE_TYPE_CDROM 0x05
/* Function Prototypes: */
bool SCSI_DecodeSCSICommand(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo);
#if defined(INCLUDE_FROM_SCSI_C)
static bool SCSI_Command_Inquiry(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo);
static bool SCSI_Command_Request_Sense(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo);
static bool SCSI_Command_Read_Capacity_10(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo);
static bool SCSI_Command_Send_Diagnostic(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo);
static int SCSI_Command_ReadWrite_10(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo,
const bool IsDataRead);
#endif
#endif
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