modules/msd/LPC17xx/msc_bot.c File Reference

#include <mios32.h>
#include <string.h>
#include "usbdebug.h"
#include "usbapi.h"
#include "msc_bot.h"
#include "msc_scsi.h"

Data Structures
struct	TCBW
struct	TCSW
Defines
#define	CBW_SIGNATURE   0x43425355
#define	CSW_SIGNATURE   0x53425355
#define	STATUS_PASSED   0x00
#define	STATUS_FAILED   0x01
#define	STATUS_PHASE_ERR   0x02
Enumerations
enum	EBotState {   eCBW, eDataOut, eDataIn, eCSW,   eStalled }
Functions
void	MSCBotReset (void)
void	MSCBotBulkOut (u8 bEP, u8 bEPStatus)
void	MSCBotBulkIn (u8 bEP, u8 bEPStatus)

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Detailed Description

Bulk-only-transfer layer for mass storage.

This layers sits between the generic USB layers and the SCSI layer and performs data transfer according to the BOT protocol.

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Define Documentation

#define CBW_SIGNATURE   0x43425355

magic word in CBW

#define CSW_SIGNATURE   0x53425355

magic word in CSW

#define STATUS_FAILED   0x01

failed transfer

#define STATUS_PASSED   0x00

successful transfer

#define STATUS_PHASE_ERR   0x02

conflict between host and device

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Enumeration Type Documentation

enum EBotState

States of BOT state machine

Enumerator:

eCBW
eDataOut
eDataIn
eCSW
eStalled

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Function Documentation

void MSCBotBulkIn	(	u8	bEP,
		u8	bEPStatus
	)

Handles the BOT bulk IN endpoint

Parameters:

[in]	bEP	Endpoint number
[in]	bEPStatus	Endpoint status (indicates NAK, STALL, etc)

void MSCBotBulkOut	(	u8	bEP,
		u8	bEPStatus
	)

Handles the BOT bulk OUT endpoint

Parameters:

[in]	bEP	Endpoint number
[in]	bEPStatus	Endpoint status (indicates NAK, STALL, etc)

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void MSCBotReset

(

void

)

Resets the BOT state machine

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