xusbps_class_storage.c File Reference

Overview

This file contains the implementation of the storage class code for the example.

  MODIFICATION HISTORY:

  Ver   Who  Date     Changes



  1.00a wgr  10/10/10 First release
  2.1   kpc  4/28/14  Align DMA buffers to cache line boundary
  2.4   vak  4/01/19  Fixed IAR data_alignment warnings
*

Functions
void	XUsbPs_HandleStorageReq (XUsbPs *InstancePtr, u8 EpNum, u8 *BufferPtr, u32 BufferLen)
	This function handles Reduced Block Command (RBC) requests from the host. More...
void	XUsbPs_ClassReq (XUsbPs *InstancePtr, XUsbPs_SetupData *SetupData)
	This function handles a Storage Class Setup request from the host. More...

Function Documentation

void XUsbPs_ClassReq	(	XUsbPs *	InstancePtr,
		XUsbPs_SetupData *	SetupData
	)

This function handles a Storage Class Setup request from the host.

This function is called by Chapter9 handler when class request is received from Host.

Parameters

InstancePtr	is a pointer to XUsbPs instance of the controller.
SetupData	is the setup data structure containing the setup request.

Returns

None.

Note

None.

References XUsbPs_SetupData::bmRequestType, XUsbPs_SetupData::bRequest, XUsbPs_SetupData::wIndex, XUsbPs_SetupData::wLength, XUsbPs_SetupData::wValue, XUSBPS_EP_DIRECTION_IN, XUSBPS_EP_DIRECTION_OUT, XUsbPs_EpBufferSend(), XUsbPs_EpDataBufferReceive(), XUsbPs_EpStall, and XUSBPS_REQ_REPLY_LEN.

Referenced by XUsbPs_Ch9HandleSetupPacket().

void XUsbPs_HandleStorageReq	(	XUsbPs *	InstancePtr,
		u8	EpNum,
		u8 *	BufferPtr,
		u32	BufferLen
	)

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

Parameters

InstancePtr	is a pointer to XUsbPs instance of the controller.
EpNum	is the number of the endpoint on which the RBC was received.
BufferPtr	is the data buffer containing the RBC or data.
BufferLen	is the length of the data buffer.

Returns

None.

Note

None.

References XUsbPs_EpBufferSend().