xusb_class_storage.c File Reference

Overview

This file contains the implementation of the Mass Storage specific class code for the example.

MODIFICATION HISTORY:

Ver   Who  Date     Changes



1.0   sg  06/06/16  First release
      ms  04/10/17  Modified filename tag to include the file in doxygen
                    examples.
1.4   BK  12/01/18  Renamed the file and added changes to have a common
               example for all USB IPs.
1.5       vak 13/02/19  Added support for versal
1.5    vak 03/25/19 Fixed incorrect data_alignment pragma directive for IAR
1.8   pm   15/09/20 Fixed C++ Compilation error.

Functions
void	ClassReq (struct Usb_DevData *InstancePtr, SetupPacket *SetupData)
	This function is class handler for Mass storage and is called when Setup packet received is for Class request(not Standard Device request) More...
void	ParseCBW (struct Usb_DevData *InstancePtr)
	This function handles Reduced Block Command (RBC) requests from the host. More...
void	SendCSW (struct Usb_DevData *InstancePtr, u32 Length)
	This function is used to send SCSI Command Status Wrapper to Host. More...

Function Documentation

void ClassReq	(	struct Usb_DevData *	InstancePtr,
		SetupPacket *	SetupData
	)

This function is class handler for Mass storage and is called when Setup packet received is for Class request(not Standard Device request)

Parameters

InstancePtr	is pointer to Usb_DevData instance.
SetupData	is pointer to SetupPacket received.

Returns

None

Note

None.

void ParseCBW

(

struct Usb_DevData *

InstancePtr

)

This function handles Reduced Block Command (RBC) requests from the host.

Parameters

InstancePtr

is a pointer to Usb_DevData instance of the controller.

Returns

None.

Note

None.

References IsSuperSpeed(), Usb_DevData::PrivateData, SendCSW(), and Status.

void SendCSW	(	struct Usb_DevData *	InstancePtr,
		u32	Length
	)

This function is used to send SCSI Command Status Wrapper to Host.

Parameters

InstancePtr	is pointer to Usb_DevData instance.
Length	is the data residue.

Returns

None

Note

References Usb_DevData::PrivateData.