msc_bot.cpp File Reference

Bulk-only-transfer layer for mass storage. More...

Go to the source code of this file.

Enumerations
enum	EBotState
	States of BOT state machine. More...
Functions
void	MSCBotReset (void)
	Resets the BOT state machine.
static void	SendCSW (uint8_t bStatus)
	Prepares a CSW, to be sent on next bulk-IN interrupt.
static bool	CheckCBW (TCBW *pCBW, int iLen)
	Checks if CBW is valid and meaningful.
void	MSCBotBulkOut ()
	Handles the BOT bulk OUT endpoint.
void	MSCBotBulkIn ()
	Handles the BOT bulk IN endpoint.
Variables
static uint32_t	dwTransferSize
	total size of data transfer
static uint32_t	dwOffset
	offset in current data transfer

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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.

Definition in file msc_bot.cpp.

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Enumeration Type Documentation

enum EBotState

States of BOT state machine.

Definition at line 69 of file msc_bot.cpp.

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Function Documentation

static bool CheckCBW	(	TCBW *	pCBW,
		int	iLen
	)		[static]

Checks if CBW is valid and meaningful.

Parameters:

[in]	pCBW	Command block wrapper
[in]	iLen	Length of CBW

Returns:

true if valid and meaningful

Definition at line 142 of file msc_bot.cpp.

void MSCBotBulkIn

(

)

Handles the BOT bulk IN endpoint.

Parameters:

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

Definition at line 369 of file msc_bot.cpp.

void MSCBotBulkOut

(

)

Handles the BOT bulk OUT endpoint.

Parameters:

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

Definition at line 270 of file msc_bot.cpp.

void MSCBotReset

(

void

)

Resets the BOT state machine.

Definition at line 100 of file msc_bot.cpp.

static void SendCSW

(

uint8_t

bStatus )

[static]

Prepares a CSW, to be sent on next bulk-IN interrupt.

Parameters:

[in]

bStatus

CSW status

Definition at line 115 of file msc_bot.cpp.

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Variable Documentation

uint32_t dwOffset [static]

offset in current data transfer

Definition at line 86 of file msc_bot.cpp.

uint32_t dwTransferSize [static]

total size of data transfer

Definition at line 85 of file msc_bot.cpp.