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159 lines
7.6 KiB
159 lines
7.6 KiB
/*
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LUFA Library
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Copyright (C) Dean Camera, 2009.
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dean [at] fourwalledcubicle [dot] com
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www.fourwalledcubicle.com
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*/
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/*
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Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)
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Permission to use, copy, modify, and distribute this software
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and its documentation for any purpose and without fee is hereby
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granted, provided that the above copyright notice appear in all
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copies and that both that the copyright notice and this
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permission notice and warranty disclaimer appear in supporting
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documentation, and that the name of the author not be used in
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advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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The author disclaim all warranties with regard to this
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software, including all implied warranties of merchantability
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and fitness. In no event shall the author be liable for any
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special, indirect or consequential damages or any damages
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whatsoever resulting from loss of use, data or profits, whether
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in an action of contract, negligence or other tortious action,
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arising out of or in connection with the use or performance of
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this software.
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*/
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/** \ingroup Group_USBClassRNDIS
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* @defgroup Group_USBClassRNDISDevice RNDIS Class Device Mode Driver
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*
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* \section Module Description
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* Device Mode USB Class driver framework interface, for the RNDIS USB Class driver.
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*
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* @{
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*/
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#ifndef _RNDIS_CLASS_DEVICE_H_
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#define _RNDIS_CLASS_DEVICE_H_
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/* Includes: */
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#include "../../USB.h"
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#include "../Common/RNDIS.h"
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#include "RNDISConstants.h"
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#include <string.h>
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/* Enable C linkage for C++ Compilers: */
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#if defined(__cplusplus)
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extern "C" {
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#endif
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/* Public Interface - May be used in end-application: */
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/* Type Defines: */
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/** Configuration information structure for \ref USB_ClassInfo_RNDIS_Device_t RNDIS device interface structures. */
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typedef struct
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{
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uint8_t ControlInterfaceNumber; /**< Interface number of the CDC control interface within the device */
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uint8_t DataINEndpointNumber; /**< Endpoint number of the CDC interface's IN data endpoint */
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uint16_t DataINEndpointSize; /**< Size in bytes of the CDC interface's IN data endpoint */
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uint8_t DataOUTEndpointNumber; /**< Endpoint number of the CDC interface's OUT data endpoint */
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uint16_t DataOUTEndpointSize; /**< Size in bytes of the CDC interface's OUT data endpoint */
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uint8_t NotificationEndpointNumber; /**< Endpoint number of the CDC interface's IN notification endpoint, if used */
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uint16_t NotificationEndpointSize; /**< Size in bytes of the CDC interface's IN notification endpoint, if used */
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char* AdapterVendorDescription; /**< String description of the adapter vendor */
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MAC_Address_t AdapterMACAddress; /**< MAC address of the adapter */
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} USB_ClassInfo_MS_Device_Config_t;
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/** Current State information structure for \ref USB_ClassInfo_RNDIS_Device_t RNDIS device interface structures. */
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typedef struct
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{
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uint8_t RNDISMessageBuffer[RNDIS_MESSAGE_BUFFER_SIZE]; /**< Buffer to hold RNDIS messages to and from the host,
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* managed by the class driver
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*/
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bool ResponseReady; /**< Internal flag indicating if a RNDIS message is waiting to be returned to the host */
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uint8_t CurrRNDISState; /**< Current RNDIS state of the adapter, a value from the RNDIS_States_t enum */
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uint32_t CurrPacketFilter; /**< Current packet filter mode, used internally by the class driver */
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Ethernet_Frame_Info_t FrameIN; /**< Structure holding the last received Ethernet frame from the host, for user
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* processing
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*/
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Ethernet_Frame_Info_t FrameOUT; /**< Structure holding the next Ethernet frame to send to the host, populated by the
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* user application
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*/
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} USB_ClassInfo_MS_Device_State_t;
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/** Class state structure. An instance of this structure should be made for each RNDIS interface
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* within the user application, and passed to each of the RNDIS class driver functions as the
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* RNDISInterfaceInfo parameter. This stores each RNDIS interface's configuration and state information.
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*/
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typedef struct
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{
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const USB_ClassInfo_MS_Device_Config_t Config; /**< Config data for the USB class interface within
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* the device. All elements in this section
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* <b>must</b> be set or the interface will fail
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* to enumerate and operate correctly.
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*/
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USB_ClassInfo_MS_Device_State_t State; /**< State data for the USB class interface within
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* the device. All elements in this section
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* <b>may</b> be set to initial values, but may
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* also be ignored to default to sane values when
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* the interface is enumerated.
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*/
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} USB_ClassInfo_RNDIS_Device_t;
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/* Function Prototypes: */
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/** Configures the endpoints of a given RNDIS interface, ready for use. This should be linked to the library
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* \ref EVENT_USB_ConfigurationChanged() event so that the endpoints are configured when the configuration
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* containing the given HID interface is selected.
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*
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* \param RNDISInterfaceInfo Pointer to a structure containing a RNDIS Class configuration and state.
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*
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* \return Boolean true if the endpoints were sucessfully configured, false otherwise
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*/
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bool RNDIS_Device_ConfigureEndpoints(USB_ClassInfo_RNDIS_Device_t* RNDISInterfaceInfo);
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/** Processes incomming control requests from the host, that are directed to the given RNDIS class interface. This should be
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* linked to the library \ref EVENT_USB_UnhandledControlPacket() event.
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*
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* \param RNDISInterfaceInfo Pointer to a structure containing a RNDIS Class configuration and state.
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*/
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void RNDIS_Device_ProcessControlPacket(USB_ClassInfo_RNDIS_Device_t* RNDISInterfaceInfo);
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/** General management task for a given HID class interface, required for the correct operation of the interface. This should
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* be called frequently in the main program loop, before the master USB management task \ref USB_USBTask().
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*
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* \param RNDISInterfaceInfo Pointer to a structure containing a RNDIS Class configuration and state.
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*/
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void RNDIS_Device_USBTask(USB_ClassInfo_RNDIS_Device_t* RNDISInterfaceInfo);
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/* Private Interface - For use in library only: */
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#if !defined(__DOXYGEN__)
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/* Function Prototypes: */
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#if defined(INCLUDE_FROM_RNDIS_CLASS_DEVICE_C)
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static void RNDIS_Device_ProcessRNDISControlMessage(USB_ClassInfo_RNDIS_Device_t* RNDISInterfaceInfo);
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static bool RNDIS_Device_ProcessNDISQuery(USB_ClassInfo_RNDIS_Device_t* RNDISInterfaceInfo,
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uint32_t OId, void* QueryData, uint16_t QuerySize,
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void* ResponseData, uint16_t* ResponseSize);
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static bool RNDIS_Device_ProcessNDISSet(USB_ClassInfo_RNDIS_Device_t* RNDISInterfaceInfo, uint32_t OId,
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void* SetData, uint16_t SetSize);
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#endif
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#endif
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/* Disable C linkage for C++ Compilers: */
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#if defined(__cplusplus)
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}
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#endif
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#endif
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/** @} */
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