sbcmethods.h

Atmel的AT91SAM9263芯片的usb存储源程序

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//------------------------------------------------------------------------------
/// \unit
/// !Purpose
/// 
/// SCSI commands implementation.
/// 
/// !Usage
/// 
/// TODO
//------------------------------------------------------------------------------

#ifndef SBCMETHODS_H
#define SBCMETHODS_H

//------------------------------------------------------------------------------
//         Headers
//------------------------------------------------------------------------------

#include "SBC.h"
#include "MSDLun.h"
#include "MSDDriver.h"

//------------------------------------------------------------------------------
//      Definitions
//------------------------------------------------------------------------------

//! \brief  Possible states of a SBC command.
#define SBC_STATE_READ                          0x01
#define SBC_STATE_WAIT_READ                     0x02
#define SBC_STATE_WRITE                         0x03
#define SBC_STATE_WAIT_WRITE                    0x04
#define SBC_STATE_NEXT_BLOCK                    0x05

//------------------------------------------------------------------------------
//      Exported functions
//------------------------------------------------------------------------------

void SBC_UpdateSenseData(SBCRequestSenseData *requestSenseData,
                         unsigned char senseKey,
                         unsigned char additionalSenseCode,
                         unsigned char additionalSenseCodeQualifier);

unsigned char SBC_GetCommandInformation(void          *command,
                               unsigned int  *length,
                               unsigned char *type,
                               MSDLun         *lun);

unsigned char SBC_ProcessCommand(MSDLun               *lun,
                                 MSDCommandState *commandState);

#endif //#ifndef SBCMETHODS_H