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qmk-firmware/lib/usbhost/USB_Host_Shield_2.0/masstorage.h

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Squashed 'tmk_core/' changes from caca2c0..dc0e46e dc0e46e Rename LUFA to LUFA-git 3bfa7fa Remove LUFA-120730 215b764 Merge commit 'afa0f22a9299686fd88f58ce09c5b521ac917e8f' as 'protocol/lufa/LUFA' afa0f22 Squashed 'protocol/lufa/LUFA/' content from commit def7fca c0c42fa Remove submodule of LUFA 30f897d Merge commit '87ced33feb74e79c3281dda36eb6d6d153399b41' as 'protocol/usb_hid/USB_Host_Shield_2.0' 87ced33 Squashed 'protocol/usb_hid/USB_Host_Shield_2.0/' content from commit aab4a69 14f6d49 Remove submodule of USB_Host_Shield_2.0 git-subtree-dir: tmk_core git-subtree-split: dc0e46eaa4367d4e218f8816e3c117895820f07c
2015-05-13 04:13:10 +02:00
/* Copyright (C) 2011 Circuits At Home, LTD. All rights reserved.
This software may be distributed and modified under the terms of the GNU
General Public License version 2 (GPL2) as published by the Free Software
Foundation and appearing in the file GPL2.TXT included in the packaging of
this file. Please note that GPL2 Section 2[b] requires that all works based
on this software must also be made publicly available under the terms of
the GPL2 ("Copyleft").
Contact information
-------------------
Circuits At Home, LTD
Web : http://www.circuitsathome.com
e-mail : support@circuitsathome.com
*/
#if !defined(__MASSTORAGE_H__)
#define __MASSTORAGE_H__
// Cruft removal, makes driver smaller, faster.
#ifndef MS_WANT_PARSER
#define MS_WANT_PARSER 0
#endif
#include "Usb.h"
#define bmREQ_MASSOUT USB_SETUP_HOST_TO_DEVICE|USB_SETUP_TYPE_CLASS|USB_SETUP_RECIPIENT_INTERFACE
#define bmREQ_MASSIN USB_SETUP_DEVICE_TO_HOST|USB_SETUP_TYPE_CLASS|USB_SETUP_RECIPIENT_INTERFACE
// Mass Storage Subclass Constants
#define MASS_SUBCLASS_SCSI_NOT_REPORTED 0x00 // De facto use
#define MASS_SUBCLASS_RBC 0x01
#define MASS_SUBCLASS_ATAPI 0x02 // MMC-5 (ATAPI)
#define MASS_SUBCLASS_OBSOLETE1 0x03 // Was QIC-157
#define MASS_SUBCLASS_UFI 0x04 // Specifies how to interface Floppy Disk Drives to USB
#define MASS_SUBCLASS_OBSOLETE2 0x05 // Was SFF-8070i
#define MASS_SUBCLASS_SCSI 0x06 // SCSI Transparent Command Set
#define MASS_SUBCLASS_LSDFS 0x07 // Specifies how host has to negotiate access before trying SCSI
#define MASS_SUBCLASS_IEEE1667 0x08
// Mass Storage Class Protocols
#define MASS_PROTO_CBI 0x00 // CBI (with command completion interrupt)
#define MASS_PROTO_CBI_NO_INT 0x01 // CBI (without command completion interrupt)
#define MASS_PROTO_OBSOLETE 0x02
#define MASS_PROTO_BBB 0x50 // Bulk Only Transport
#define MASS_PROTO_UAS 0x62
// Request Codes
#define MASS_REQ_ADSC 0x00
#define MASS_REQ_GET 0xFC
#define MASS_REQ_PUT 0xFD
#define MASS_REQ_GET_MAX_LUN 0xFE
#define MASS_REQ_BOMSR 0xFF // Bulk-Only Mass Storage Reset
#define MASS_CBW_SIGNATURE 0x43425355
#define MASS_CSW_SIGNATURE 0x53425355
#define MASS_CMD_DIR_OUT 0 // (0 << 7)
#define MASS_CMD_DIR_IN 0x80 //(1 << 7)
/*
* Reference documents from T10 (http://www.t10.org)
* SCSI Primary Commands - 3 (SPC-3)
* SCSI Block Commands - 2 (SBC-2)
* Multi-Media Commands - 5 (MMC-5)
*/
/* Group 1 commands (CDB's here are should all be 6-bytes) */
#define SCSI_CMD_TEST_UNIT_READY 0x00
#define SCSI_CMD_REQUEST_SENSE 0x03
#define SCSI_CMD_FORMAT_UNIT 0x04
#define SCSI_CMD_READ_6 0x08
#define SCSI_CMD_WRITE_6 0x0A
#define SCSI_CMD_INQUIRY 0x12
#define SCSI_CMD_MODE_SELECT_6 0x15
#define SCSI_CMD_MODE_SENSE_6 0x1A
#define SCSI_CMD_START_STOP_UNIT 0x1B
#define SCSI_CMD_PREVENT_REMOVAL 0x1E
/* Group 2 Commands (CDB's here are 10-bytes) */
#define SCSI_CMD_READ_FORMAT_CAPACITIES 0x23
#define SCSI_CMD_READ_CAPACITY_10 0x25
#define SCSI_CMD_READ_10 0x28
#define SCSI_CMD_WRITE_10 0x2A
#define SCSI_CMD_SEEK_10 0x2B
#define SCSI_CMD_ERASE_10 0x2C
#define SCSI_CMD_WRITE_AND_VERIFY_10 0x2E
#define SCSI_CMD_VERIFY_10 0x2F
#define SCSI_CMD_SYNCHRONIZE_CACHE 0x35
#define SCSI_CMD_WRITE_BUFFER 0x3B
#define SCSI_CMD_READ_BUFFER 0x3C
#define SCSI_CMD_READ_SUBCHANNEL 0x42
#define SCSI_CMD_READ_TOC 0x43
#define SCSI_CMD_READ_HEADER 0x44
#define SCSI_CMD_PLAY_AUDIO_10 0x45
#define SCSI_CMD_GET_CONFIGURATION 0x46
#define SCSI_CMD_PLAY_AUDIO_MSF 0x47
#define SCSI_CMD_PLAY_AUDIO_TI 0x48
#define SCSI_CMD_PLAY_TRACK_REL_10 0x49
#define SCSI_CMD_GET_EVENT_STATUS 0x4A
#define SCSI_CMD_PAUSE_RESUME 0x4B
#define SCSI_CMD_READ_DISC_INFORMATION 0x51
#define SCSI_CMD_READ_TRACK_INFORMATION 0x52
#define SCSI_CMD_RESERVE_TRACK 0x53
#define SCSI_CMD_SEND_OPC_INFORMATION 0x54
#define SCSI_CMD_MODE_SELECT_10 0x55
#define SCSI_CMD_REPAIR_TRACK 0x58
#define SCSI_CMD_MODE_SENSE_10 0x5A
#define SCSI_CMD_CLOSE_TRACK_SESSION 0x5B
#define SCSI_CMD_READ_BUFFER_CAPACITY 0x5C
#define SCSI_CMD_SEND_CUE_SHEET 0x5D
/* Group 5 Commands (CDB's here are 12-bytes) */
#define SCSI_CMD_REPORT_LUNS 0xA0
#define SCSI_CMD_BLANK 0xA1
#define SCSI_CMD_SECURITY_PROTOCOL_IN 0xA2
#define SCSI_CMD_SEND_KEY 0xA3
#define SCSI_CMD_REPORT_KEY 0xA4
#define SCSI_CMD_PLAY_AUDIO_12 0xA5
#define SCSI_CMD_LOAD_UNLOAD 0xA6
#define SCSI_CMD_SET_READ_AHEAD 0xA7
#define SCSI_CMD_READ_12 0xA8
#define SCSI_CMD_PLAY_TRACK_REL_12 0xA9
#define SCSI_CMD_WRITE_12 0xAA
#define SCSI_CMD_READ_MEDIA_SERIAL_12 0xAB
#define SCSI_CMD_GET_PERFORMANCE 0xAC
#define SCSI_CMD_READ_DVD_STRUCTURE 0xAD
#define SCSI_CMD_SECURITY_PROTOCOL_OUT 0xB5
#define SCSI_CMD_SET_STREAMING 0xB6
#define SCSI_CMD_READ_MSF 0xB9
#define SCSI_CMD_SET_SPEED 0xBB
#define SCSI_CMD_MECHANISM_STATUS 0xBD
#define SCSI_CMD_READ_CD 0xBE
#define SCSI_CMD_SEND_DISC_STRUCTURE 0xBF
/* Vendor-unique Commands, included for completeness */
#define SCSI_CMD_CD_PLAYBACK_STATUS 0xC4 /* SONY unique */
#define SCSI_CMD_PLAYBACK_CONTROL 0xC9 /* SONY unique */
#define SCSI_CMD_READ_CDDA 0xD8 /* Vendor unique */
#define SCSI_CMD_READ_CDXA 0xDB /* Vendor unique */
#define SCSI_CMD_READ_ALL_SUBCODES 0xDF /* Vendor unique */
/* SCSI error codes */
#define SCSI_S_NOT_READY 0x02
#define SCSI_S_MEDIUM_ERROR 0x03
#define SCSI_S_ILLEGAL_REQUEST 0x05
#define SCSI_S_UNIT_ATTENTION 0x06
#define SCSI_ASC_LBA_OUT_OF_RANGE 0x21
#define SCSI_ASC_MEDIA_CHANGED 0x28
#define SCSI_ASC_MEDIUM_NOT_PRESENT 0x3A
/* USB error codes */
#define MASS_ERR_SUCCESS 0x00
#define MASS_ERR_PHASE_ERROR 0x02
#define MASS_ERR_UNIT_NOT_READY 0x03
#define MASS_ERR_UNIT_BUSY 0x04
#define MASS_ERR_STALL 0x05
#define MASS_ERR_CMD_NOT_SUPPORTED 0x06
#define MASS_ERR_INVALID_CSW 0x07
#define MASS_ERR_NO_MEDIA 0x08
#define MASS_ERR_BAD_LBA 0x09
#define MASS_ERR_MEDIA_CHANGED 0x0A
#define MASS_ERR_DEVICE_DISCONNECTED 0x11
#define MASS_ERR_UNABLE_TO_RECOVER 0x12 // Reset recovery error
#define MASS_ERR_INVALID_LUN 0x13
#define MASS_ERR_WRITE_STALL 0x14
#define MASS_ERR_READ_NAKS 0x15
#define MASS_ERR_WRITE_NAKS 0x16
#define MASS_ERR_WRITE_PROTECTED 0x17
#define MASS_ERR_NOT_IMPLEMENTED 0xFD
#define MASS_ERR_GENERAL_SCSI_ERROR 0xFE
#define MASS_ERR_GENERAL_USB_ERROR 0xFF
#define MASS_ERR_USER 0xA0 // For subclasses to define their own error codes
#define MASS_TRANS_FLG_CALLBACK 0x01 // Callback is involved
#define MASS_TRANS_FLG_NO_STALL_CHECK 0x02 // STALL condition is not checked
#define MASS_TRANS_FLG_NO_PHASE_CHECK 0x04 // PHASE_ERROR is not checked
#define MASS_MAX_ENDPOINTS 3
struct Capacity {
uint8_t data[8];
//uint32_t dwBlockAddress;
//uint32_t dwBlockLength;
} __attribute__((packed));
struct BASICCDB {
uint8_t Opcode;
unsigned unused : 5;
unsigned LUN : 3;
uint8_t info[12];
} __attribute__((packed));
typedef BASICCDB BASICCDB_t;
struct CDB6 {
uint8_t Opcode;
unsigned LBAMSB : 5;
unsigned LUN : 3;
uint8_t LBAHB;
uint8_t LBALB;
uint8_t AllocationLength;
uint8_t Control;
public:
CDB6(uint8_t _Opcode, uint8_t _LUN, uint32_t LBA, uint8_t _AllocationLength, uint8_t _Control) :
Opcode(_Opcode), LBAMSB(BGRAB2(LBA) & 0x1f), LUN(_LUN), LBAHB(BGRAB1(LBA)), LBALB(BGRAB0(LBA)),
AllocationLength(_AllocationLength), Control(_Control) {
}
CDB6(uint8_t _Opcode, uint8_t _LUN, uint8_t _AllocationLength, uint8_t _Control) :
Opcode(_Opcode), LBAMSB(0), LUN(_LUN), LBAHB(0), LBALB(0),
AllocationLength(_AllocationLength), Control(_Control) {
}
} __attribute__((packed));
typedef CDB6 CDB6_t;
struct CDB10 {
uint8_t Opcode;
unsigned Service_Action : 5;
unsigned LUN : 3;
uint8_t LBA_L_M_MB;
uint8_t LBA_L_M_LB;
uint8_t LBA_L_L_MB;
uint8_t LBA_L_L_LB;
uint8_t Misc2;
uint8_t ALC_MB;
uint8_t ALC_LB;
uint8_t Control;
public:
CDB10(uint8_t _Opcode, uint8_t _LUN) :
Opcode(_Opcode), Service_Action(0), LUN(_LUN),
LBA_L_M_MB(0), LBA_L_M_LB(0), LBA_L_L_MB(0), LBA_L_L_LB(0),
Misc2(0), ALC_MB(0), ALC_LB(0), Control(0) {
}
CDB10(uint8_t _Opcode, uint8_t _LUN, uint16_t xflen, uint32_t _LBA) :
Opcode(_Opcode), Service_Action(0), LUN(_LUN),
LBA_L_M_MB(BGRAB3(_LBA)), LBA_L_M_LB(BGRAB2(_LBA)), LBA_L_L_MB(BGRAB1(_LBA)), LBA_L_L_LB(BGRAB0(_LBA)),
Misc2(0), ALC_MB(BGRAB1(xflen)), ALC_LB(BGRAB0(xflen)), Control(0) {
}
} __attribute__((packed));
typedef CDB10 CDB10_t;
struct CDB12 {
uint8_t Opcode;
unsigned Service_Action : 5;
unsigned Misc : 3;
uint8_t LBA_L_M_LB;
uint8_t LBA_L_L_MB;
uint8_t LBA_L_L_LB;
uint8_t ALC_M_LB;
uint8_t ALC_L_MB;
uint8_t ALC_L_LB;
uint8_t Control;
} __attribute__((packed));
typedef CDB12 CDB12_t;
struct CDB_LBA32_16 {
uint8_t Opcode;
unsigned Service_Action : 5;
unsigned Misc : 3;
uint8_t LBA_L_M_MB;
uint8_t LBA_L_M_LB;
uint8_t LBA_L_L_MB;
uint8_t LBA_L_L_LB;
uint8_t A_M_M_MB;
uint8_t A_M_M_LB;
uint8_t A_M_L_MB;
uint8_t A_M_L_LB;
uint8_t ALC_M_MB;
uint8_t ALC_M_LB;
uint8_t ALC_L_MB;
uint8_t ALC_L_LB;
uint8_t Misc2;
uint8_t Control;
} __attribute__((packed));
struct CDB_LBA64_16 {
uint8_t Opcode;
uint8_t Misc;
uint8_t LBA_M_M_MB;
uint8_t LBA_M_M_LB;
uint8_t LBA_M_L_MB;
uint8_t LBA_M_L_LB;
uint8_t LBA_L_M_MB;
uint8_t LBA_L_M_LB;
uint8_t LBA_L_L_MB;
uint8_t LBA_L_L_LB;
uint8_t ALC_M_MB;
uint8_t ALC_M_LB;
uint8_t ALC_L_MB;
uint8_t ALC_L_LB;
uint8_t Misc2;
uint8_t Control;
} __attribute__((packed));
struct InquiryResponse {
uint8_t DeviceType : 5;
uint8_t PeripheralQualifier : 3;
unsigned Reserved : 7;
unsigned Removable : 1;
uint8_t Version;
unsigned ResponseDataFormat : 4;
unsigned HISUP : 1;
unsigned NormACA : 1;
unsigned TrmTsk : 1;
unsigned AERC : 1;
uint8_t AdditionalLength;
//uint8_t Reserved3[2];
unsigned PROTECT : 1;
unsigned Res : 2;
unsigned ThreePC : 1;
unsigned TPGS : 2;
unsigned ACC : 1;
unsigned SCCS : 1;
unsigned ADDR16 : 1;
unsigned R1 : 1;
unsigned R2 : 1;
unsigned MCHNGR : 1;
unsigned MULTIP : 1;
unsigned VS : 1;
unsigned ENCSERV : 1;
unsigned BQUE : 1;
unsigned SoftReset : 1;
unsigned CmdQue : 1;
unsigned Reserved4 : 1;
unsigned Linked : 1;
unsigned Sync : 1;
unsigned WideBus16Bit : 1;
unsigned WideBus32Bit : 1;
unsigned RelAddr : 1;
uint8_t VendorID[8];
uint8_t ProductID[16];
uint8_t RevisionID[4];
} __attribute__((packed));
struct CommandBlockWrapperBase {
uint32_t dCBWSignature;
uint32_t dCBWTag;
uint32_t dCBWDataTransferLength;
uint8_t bmCBWFlags;
public:
CommandBlockWrapperBase() {
}
CommandBlockWrapperBase(uint32_t tag, uint32_t xflen, uint8_t flgs) :
dCBWSignature(MASS_CBW_SIGNATURE), dCBWTag(tag), dCBWDataTransferLength(xflen), bmCBWFlags(flgs) {
}
} __attribute__((packed));
struct CommandBlockWrapper : public CommandBlockWrapperBase {
struct {
uint8_t bmCBWLUN : 4;
uint8_t bmReserved1 : 4;
};
struct {
uint8_t bmCBWCBLength : 4;
uint8_t bmReserved2 : 4;
};
uint8_t CBWCB[16];
public:
// All zeroed.
CommandBlockWrapper() :
CommandBlockWrapperBase(0, 0, 0), bmReserved1(0), bmReserved2(0) {
for(int i = 0; i < 16; i++) CBWCB[i] = 0;
}
// Generic Wrap, CDB zeroed.
CommandBlockWrapper(uint32_t tag, uint32_t xflen, uint8_t flgs, uint8_t lu, uint8_t cmdlen, uint8_t cmd) :
CommandBlockWrapperBase(tag, xflen, flgs),
bmCBWLUN(lu), bmReserved1(0), bmCBWCBLength(cmdlen), bmReserved2(0) {
for(int i = 0; i < 16; i++) CBWCB[i] = 0;
// Type punning can cause optimization problems and bugs.
// Using reinterpret_cast to a dreinterpretifferent object is the proper way to do this.
//(((BASICCDB_t *) CBWCB)->LUN) = cmd;
BASICCDB_t *x = reinterpret_cast<BASICCDB_t *>(CBWCB);
x->LUN = cmd;
}
// Wrap for CDB of 6
CommandBlockWrapper(uint32_t tag, uint32_t xflen, CDB6_t *cdb, uint8_t dir) :
CommandBlockWrapperBase(tag, xflen, dir),
bmCBWLUN(cdb->LUN), bmReserved1(0), bmCBWCBLength(6), bmReserved2(0) {
memcpy(&CBWCB, cdb, 6);
}
// Wrap for CDB of 10
CommandBlockWrapper(uint32_t tag, uint32_t xflen, CDB10_t *cdb, uint8_t dir) :
CommandBlockWrapperBase(tag, xflen, dir),
bmCBWLUN(cdb->LUN), bmReserved1(0), bmCBWCBLength(10), bmReserved2(0) {
memcpy(&CBWCB, cdb, 10);
}
} __attribute__((packed));
struct CommandStatusWrapper {
uint32_t dCSWSignature;
uint32_t dCSWTag;
uint32_t dCSWDataResidue;
uint8_t bCSWStatus;
} __attribute__((packed));
struct RequestSenseResponce {
uint8_t bResponseCode;
uint8_t bSegmentNumber;
uint8_t bmSenseKey : 4;
uint8_t bmReserved : 1;
uint8_t bmILI : 1;
uint8_t bmEOM : 1;
uint8_t bmFileMark : 1;
uint8_t Information[4];
uint8_t bAdditionalLength;
uint8_t CmdSpecificInformation[4];
uint8_t bAdditionalSenseCode;
uint8_t bAdditionalSenseQualifier;
uint8_t bFieldReplaceableUnitCode;
uint8_t SenseKeySpecific[3];
} __attribute__((packed));
class BulkOnly : public USBDeviceConfig, public UsbConfigXtracter {
protected:
static const uint8_t epDataInIndex; // DataIn endpoint index
static const uint8_t epDataOutIndex; // DataOUT endpoint index
static const uint8_t epInterruptInIndex; // InterruptIN endpoint index
USB *pUsb;
uint8_t bAddress;
uint8_t bConfNum; // configuration number
uint8_t bIface; // interface value
uint8_t bNumEP; // total number of EP in the configuration
uint32_t qNextPollTime; // next poll time
bool bPollEnable; // poll enable flag
EpInfo epInfo[MASS_MAX_ENDPOINTS];
uint32_t dCBWTag; // Tag
//uint32_t dCBWDataTransferLength; // Data Transfer Length
uint8_t bLastUsbError; // Last USB error
uint8_t bMaxLUN; // Max LUN
uint8_t bTheLUN; // Active LUN
uint32_t CurrentCapacity[MASS_MAX_SUPPORTED_LUN]; // Total sectors
uint16_t CurrentSectorSize[MASS_MAX_SUPPORTED_LUN]; // Sector size, clipped to 16 bits
bool LUNOk[MASS_MAX_SUPPORTED_LUN]; // use this to check for media changes.
bool WriteOk[MASS_MAX_SUPPORTED_LUN];
void PrintEndpointDescriptor(const USB_ENDPOINT_DESCRIPTOR* ep_ptr);
// Additional Initialization Method for Subclasses
virtual uint8_t OnInit() {
return 0;
};
public:
BulkOnly(USB *p);
uint8_t GetLastUsbError() {
return bLastUsbError;
};
uint8_t GetbMaxLUN() {
return bMaxLUN; // Max LUN
}
uint8_t GetbTheLUN() {
return bTheLUN; // Active LUN
}
bool WriteProtected(uint8_t lun);
uint8_t MediaCTL(uint8_t lun, uint8_t ctl);
uint8_t Read(uint8_t lun, uint32_t addr, uint16_t bsize, uint8_t blocks, uint8_t *buf);
uint8_t Read(uint8_t lun, uint32_t addr, uint16_t bsize, uint8_t blocks, USBReadParser *prs);
uint8_t Write(uint8_t lun, uint32_t addr, uint16_t bsize, uint8_t blocks, const uint8_t *buf);
uint8_t LockMedia(uint8_t lun, uint8_t lock);
bool LUNIsGood(uint8_t lun);
uint32_t GetCapacity(uint8_t lun);
uint16_t GetSectorSize(uint8_t lun);
// USBDeviceConfig implementation
uint8_t Init(uint8_t parent, uint8_t port, bool lowspeed);
uint8_t ConfigureDevice(uint8_t parent, uint8_t port, bool lowspeed);
uint8_t Release();
uint8_t Poll();
virtual uint8_t GetAddress() {
return bAddress;
};
// UsbConfigXtracter implementation
void EndpointXtract(uint8_t conf, uint8_t iface, uint8_t alt, uint8_t proto, const USB_ENDPOINT_DESCRIPTOR *ep);
virtual bool DEVCLASSOK(uint8_t klass) {
return (klass == USB_CLASS_MASS_STORAGE);
}
uint8_t SCSITransaction6(CDB6_t *cdb, uint16_t buf_size, void *buf, uint8_t dir);
uint8_t SCSITransaction10(CDB10_t *cdb, uint16_t buf_size, void *buf, uint8_t dir);
private:
uint8_t Inquiry(uint8_t lun, uint16_t size, uint8_t *buf);
uint8_t TestUnitReady(uint8_t lun);
uint8_t RequestSense(uint8_t lun, uint16_t size, uint8_t *buf);
uint8_t ModeSense6(uint8_t lun, uint8_t pc, uint8_t page, uint8_t subpage, uint8_t len, uint8_t *buf);
uint8_t GetMaxLUN(uint8_t *max_lun);
uint8_t SetCurLUN(uint8_t lun);
void Reset();
uint8_t ResetRecovery();
uint8_t ReadCapacity10(uint8_t lun, uint8_t *buf);
void ClearAllEP();
void CheckMedia();
bool CheckLUN(uint8_t lun);
uint8_t Page3F(uint8_t lun);
bool IsValidCBW(uint8_t size, uint8_t *pcbw);
bool IsMeaningfulCBW(uint8_t size, uint8_t *pcbw);
bool IsValidCSW(CommandStatusWrapper *pcsw, CommandBlockWrapperBase *pcbw);
uint8_t ClearEpHalt(uint8_t index);
#if MS_WANT_PARSER
uint8_t Transaction(CommandBlockWrapper *cbw, uint16_t bsize, void *buf, uint8_t flags);
#endif
uint8_t Transaction(CommandBlockWrapper *cbw, uint16_t bsize, void *buf);
uint8_t HandleUsbError(uint8_t error, uint8_t index);
uint8_t HandleSCSIError(uint8_t status);
};
#endif // __MASSTORAGE_H__
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