xusb_class_dfu.c File Reference

Overview

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

  MODIFICATION HISTORY:

  Ver   Who  Date     Changes



  1.0    vak  30/11/16 Added DFU support
  1.4    BK   12/01/18 Renamed the file to be in sync with usb common code
                       changes for all USB IPs
  1.5    vak  13/02/19 Added support for versal

*

Functions
s32	Usb_DfuSetState (struct dfu_if *DFU, u8 dfu_state)
	This function handles setting of DFU state. More...
void	USB_DfuSetDwloadState (struct dfu_if *DFU, u8 *status)
	This function updates the current state while downloading a file. More...
s32	USB_DfuGetStatus (struct dfu_if *DFU, u8 *status)
	This function handles getting of DFU status. More...
void	Usb_DfuDisconnect (struct Usb_DevData *InstancePtr)
	This function handles DFU disconnect, called from driver. More...
void	Usb_DfuReset (struct Usb_DevData *InstancePtr)
	This function handles DFU reset, called from driver. More...
void	Usb_DfuSetIntf (struct Usb_DevData *InstancePtr, SetupPacket *SetupData)
	This function handles DFU set interface. More...
void	Usb_DfuClassReq (struct Usb_DevData *InstancePtr, SetupPacket *SetupData)
	This function handles DFU heart and soul of DFU state machine. More...

Function Documentation

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

This function handles DFU heart and soul of DFU state machine.

Parameters

InstancePtr	is a pointer to Usb_DevData instance of the controller
SetupData	is a pointer to setup token of control transfer

Returns

None.

Note

None.

References Usb_DevData::PrivateData, Usb_DfuClassReq(), USB_DfuGetStatus(), and Usb_DfuSetState().

Referenced by Usb_ClassReq(), and Usb_DfuClassReq().

void Usb_DfuDisconnect

(

struct Usb_DevData *

InstancePtr

)

This function handles DFU disconnect, called from driver.

Parameters

InstancePtr

is a pointer to Usb_DevData instance of the controller

Returns

None.

Note

None.

References Usb_DevData::PrivateData.

s32 USB_DfuGetStatus	(	struct dfu_if *	DFU,
		u8 *	status
	)

This function handles getting of DFU status.

Parameters

DFU	is a pointer to DFU instance of the controller
status	is the pointer of the DFU status

Returns

• XST_SUCCESS if the function is successful.

Note

None.

References USB_DfuSetDwloadState().

void Usb_DfuReset

(

struct Usb_DevData *

InstancePtr

)

This function handles DFU reset, called from driver.

Parameters

InstancePtr

is a pointer to Usb_DevData instance of the controller

Returns

None.

Note

None.

References Usb_DevData::PrivateData.

void USB_DfuSetDwloadState	(	struct dfu_if *	DFU,
		u8 *	status
	)

This function updates the current state while downloading a file.

Parameters

DFU	is a pointer to DFU instance of the controller
status	is a pointer of the DFU status

Note

None.

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

This function handles DFU set interface.

Parameters

InstancePtr	is a pointer to Usb_DevData instance of the controller
SetupData	is a pointer to setup token of control transfer

Returns

None.

Note

None.

References Usb_DevData::PrivateData, and Usb_DfuSetState().

s32 Usb_DfuSetState	(	struct dfu_if *	DFU,
		u8	dfu_state
	)

This function handles setting of DFU state.

Parameters

DFU	is a pointer to DFU instance of the controller
dfu_state	is a value of the DFU state to be set

Returns

• XST_SUCCESS if the function is successful.
• XST_FAILURE if an Error occurred.

Note

None.