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Jack Humbert 2017-07-07 11:55:23 -04:00
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93
lib/lufa/Demos/Host/LowLevel/RNDISEthernetHost/Config/LUFAConfig.h Normal file
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/*
LUFA Library
Copyright (C) Dean Camera, 2017.
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
/*
Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
without fee, provided that the above copyright notice appear in
all copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the name of the author not be used in
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaims all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether
in an action of contract, negligence or other tortious action,
arising out of or in connection with the use or performance of
this software.
*/
/** \file
* \brief LUFA Library Configuration Header File
*
* This header file is used to configure LUFA's compile time options,
* as an alternative to the compile time constants supplied through
* a makefile.
*
* For information on what each token does, refer to the LUFA
* manual section "Summary of Compile Tokens".
*/
#ifndef _LUFA_CONFIG_H_
#define _LUFA_CONFIG_H_
#if (ARCH == ARCH_AVR8)
/* Non-USB Related Configuration Tokens: */
// #define DISABLE_TERMINAL_CODES
/* USB Class Driver Related Tokens: */
// #define HID_HOST_BOOT_PROTOCOL_ONLY
// #define HID_STATETABLE_STACK_DEPTH {Insert Value Here}
// #define HID_USAGE_STACK_DEPTH {Insert Value Here}
// #define HID_MAX_COLLECTIONS {Insert Value Here}
// #define HID_MAX_REPORTITEMS {Insert Value Here}
// #define HID_MAX_REPORT_IDS {Insert Value Here}
// #define NO_CLASS_DRIVER_AUTOFLUSH
/* General USB Driver Related Tokens: */
// #define ORDERED_EP_CONFIG
#define USE_STATIC_OPTIONS (USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)
// #define USB_DEVICE_ONLY
#define USB_HOST_ONLY
// #define USB_STREAM_TIMEOUT_MS {Insert Value Here}
// #define NO_LIMITED_CONTROLLER_CONNECT
// #define NO_SOF_EVENTS
/* USB Device Mode Driver Related Tokens: */
// #define USE_RAM_DESCRIPTORS
// #define USE_FLASH_DESCRIPTORS
// #define USE_EEPROM_DESCRIPTORS
// #define NO_INTERNAL_SERIAL
// #define FIXED_CONTROL_ENDPOINT_SIZE {Insert Value Here}
// #define DEVICE_STATE_AS_GPIOR {Insert Value Here}
// #define FIXED_NUM_CONFIGURATIONS {Insert Value Here}
// #define CONTROL_ONLY_DEVICE
// #define INTERRUPT_CONTROL_ENDPOINT
// #define NO_DEVICE_REMOTE_WAKEUP
// #define NO_DEVICE_SELF_POWER
/* USB Host Mode Driver Related Tokens: */
// #define HOST_STATE_AS_GPIOR {Insert Value Here}
// #define USB_HOST_TIMEOUT_MS {Insert Value Here}
// #define HOST_DEVICE_SETTLE_DELAY_MS {Insert Value Here}
// #define NO_AUTO_VBUS_MANAGEMENT
// #define INVERTED_VBUS_ENABLE_LINE
#else
#error Unsupported architecture for this LUFA configuration file.
#endif
#endif

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lib/lufa/Demos/Host/LowLevel/RNDISEthernetHost/ConfigDescriptor.c Normal file
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/*
LUFA Library
Copyright (C) Dean Camera, 2017.
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
/*
Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
without fee, provided that the above copyright notice appear in
all copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the name of the author not be used in
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaims all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether
in an action of contract, negligence or other tortious action,
arising out of or in connection with the use or performance of
this software.
*/
/** \file
*
* USB Device Configuration Descriptor processing routines, to determine the correct pipe configurations
* needed to communication with an attached USB device. Descriptors are special computer-readable structures
* which the host requests upon device enumeration, to determine the device's capabilities and functions.
*/
#include "ConfigDescriptor.h"
/** Reads and processes an attached device's descriptors, to determine compatibility and pipe configurations. This
* routine will read in the entire configuration descriptor, and configure the hosts pipes to correctly communicate
* with compatible devices.
*
* This routine searches for a RNDIS interface descriptor containing bulk data IN and OUT endpoints, and an interrupt event endpoint.
*
* \return An error code from the \ref RNDISHost_GetConfigDescriptorDataCodes_t enum.
*/
uint8_t ProcessConfigurationDescriptor(void)
{
uint8_t ConfigDescriptorData[512];
void* CurrConfigLocation = ConfigDescriptorData;
uint16_t CurrConfigBytesRem;
USB_Descriptor_Interface_t* RNDISControlInterface = NULL;
USB_Descriptor_Endpoint_t* DataINEndpoint = NULL;
USB_Descriptor_Endpoint_t* DataOUTEndpoint = NULL;
USB_Descriptor_Endpoint_t* NotificationEndpoint = NULL;
/* Retrieve the entire configuration descriptor into the allocated buffer */
switch (USB_Host_GetDeviceConfigDescriptor(1, &CurrConfigBytesRem, ConfigDescriptorData, sizeof(ConfigDescriptorData)))
{
case HOST_GETCONFIG_Successful:
break;
case HOST_GETCONFIG_InvalidData:
return InvalidConfigDataReturned;
case HOST_GETCONFIG_BuffOverflow:
return DescriptorTooLarge;
default:
return ControlError;
}
while (!(DataINEndpoint) || !(DataOUTEndpoint) || !(NotificationEndpoint))
{
/* See if we've found a likely compatible interface, and if there is an endpoint within that interface */
if (!(RNDISControlInterface) ||
USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
DComp_NextCDCDataInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
{
/* Check if we have already found the control interface's notification endpoint or not */
if (NotificationEndpoint)
{
/* Get the next RNDIS data interface from the configuration descriptor */
if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
DComp_NextCDCDataInterface) != DESCRIPTOR_SEARCH_COMP_Found)
{
/* Descriptor not found, error out */
return NoCompatibleInterfaceFound;
}
/* Clear any found endpoints */
DataINEndpoint = NULL;
DataOUTEndpoint = NULL;
}
else
{
/* Get the next RNDIS control interface from the configuration descriptor */
if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
DComp_NextCDCControlInterface) != DESCRIPTOR_SEARCH_COMP_Found)
{
/* Descriptor not found, error out */
return NoCompatibleInterfaceFound;
}
/* Save the interface in case we need to refer back to it later */
RNDISControlInterface = DESCRIPTOR_PCAST(CurrConfigLocation, USB_Descriptor_Interface_t);
/* Clear any found endpoints */
NotificationEndpoint = NULL;
}
/* Skip the remainder of the loop as we have not found an endpoint yet */
continue;
}
/* Retrieve the endpoint address from the endpoint descriptor */
USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(CurrConfigLocation, USB_Descriptor_Endpoint_t);
/* If the endpoint is a IN type endpoint */
if ((EndpointData->EndpointAddress & ENDPOINT_DIR_MASK) == ENDPOINT_DIR_IN)
{
/* Check if the found endpoint is a interrupt or bulk type descriptor */
if ((EndpointData->Attributes & EP_TYPE_MASK) == EP_TYPE_INTERRUPT)
NotificationEndpoint = EndpointData;
else
DataINEndpoint = EndpointData;
}
else
{
DataOUTEndpoint = EndpointData;
}
}
/* Configure the RNDIS data IN pipe */
Pipe_ConfigurePipe(RNDIS_DATA_IN_PIPE, EP_TYPE_BULK, DataINEndpoint->EndpointAddress, DataINEndpoint->EndpointSize, 1);
/* Configure the RNDIS data OUT pipe */
Pipe_ConfigurePipe(RNDIS_DATA_OUT_PIPE, EP_TYPE_BULK, DataOUTEndpoint->EndpointAddress, DataOUTEndpoint->EndpointSize, 1);
/* Configure the RNDIS notification pipe */
Pipe_ConfigurePipe(RNDIS_NOTIFICATION_PIPE, EP_TYPE_INTERRUPT, NotificationEndpoint->EndpointAddress, NotificationEndpoint->EndpointSize, 1);
Pipe_SetInterruptPeriod(NotificationEndpoint->PollingIntervalMS);
/* Valid data found, return success */
return SuccessfulConfigRead;
}
/** Descriptor comparator function. This comparator function is can be called while processing an attached USB device's
* configuration descriptor, to search for a specific sub descriptor. It can also be used to abort the configuration
* descriptor processing if an incompatible descriptor configuration is found.
*
* This comparator searches for the next Interface descriptor of the correct CDC control Class, Subclass and Protocol values.
*
* \return A value from the DSEARCH_Return_ErrorCodes_t enum
*/
uint8_t DComp_NextCDCControlInterface(void* CurrentDescriptor)
{
USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
if (Header->Type == DTYPE_Interface)
{
USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t);
/* Check the CDC descriptor class, subclass and protocol, break out if correct control interface found */
if ((Interface->Class == CDC_CSCP_CDCClass) &&
(Interface->SubClass == CDC_CSCP_ACMSubclass) &&
(Interface->Protocol == CDC_CSCP_VendorSpecificProtocol))
{
return DESCRIPTOR_SEARCH_Found;
}
}
return DESCRIPTOR_SEARCH_NotFound;
}
/** Descriptor comparator function. This comparator function is can be called while processing an attached USB device's
* configuration descriptor, to search for a specific sub descriptor. It can also be used to abort the configuration
* descriptor processing if an incompatible descriptor configuration is found.
*
* This comparator searches for the next Interface descriptor of the correct CDC data Class, Subclass and Protocol values.
*
* \return A value from the DSEARCH_Return_ErrorCodes_t enum
*/
uint8_t DComp_NextCDCDataInterface(void* CurrentDescriptor)
{
USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
if (Header->Type == DTYPE_Interface)
{
USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t);
/* Check the CDC descriptor class, subclass and protocol, break out if correct data interface found */
if ((Interface->Class == CDC_CSCP_CDCDataClass) &&
(Interface->SubClass == CDC_CSCP_NoDataSubclass) &&
(Interface->Protocol == CDC_CSCP_NoDataProtocol))
{
return DESCRIPTOR_SEARCH_Found;
}
}
return DESCRIPTOR_SEARCH_NotFound;
}
/** Descriptor comparator function. This comparator function is can be called while processing an attached USB device's
* configuration descriptor, to search for a specific sub descriptor. It can also be used to abort the configuration
* descriptor processing if an incompatible descriptor configuration is found.
*
* This comparator searches for the next bulk IN or OUT endpoint, or interrupt IN endpoint within the current interface,
* aborting the search if another interface descriptor is found before the required endpoint (so that it may be compared
* using a different comparator to determine if it is another CDC class interface).
*
* \return A value from the DSEARCH_Return_ErrorCodes_t enum
*/
uint8_t DComp_NextCDCDataInterfaceEndpoint(void* CurrentDescriptor)
{
USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
if (Header->Type == DTYPE_Endpoint)
{
USB_Descriptor_Endpoint_t* Endpoint = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Endpoint_t);
/* Check the endpoint type, break out if correct BULK or INTERRUPT type endpoint found */
if (((Endpoint->Attributes & EP_TYPE_MASK) == EP_TYPE_BULK) ||
((Endpoint->Attributes & EP_TYPE_MASK) == EP_TYPE_INTERRUPT))
{
return DESCRIPTOR_SEARCH_Found;
}
}
else if (Header->Type == DTYPE_Interface)
{
return DESCRIPTOR_SEARCH_Fail;
}
return DESCRIPTOR_SEARCH_NotFound;
}

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lib/lufa/Demos/Host/LowLevel/RNDISEthernetHost/ConfigDescriptor.h Normal file
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/*
LUFA Library
Copyright (C) Dean Camera, 2017.
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
/*
Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
without fee, provided that the above copyright notice appear in
all copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the name of the author not be used in
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaims all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether
in an action of contract, negligence or other tortious action,
arising out of or in connection with the use or performance of
this software.
*/
/** \file
*
* Header file for ConfigDescriptor.c.
*/
#ifndef _CONFIGDESCRIPTOR_H_
#define _CONFIGDESCRIPTOR_H_
/* Includes: */
#include <LUFA/Drivers/USB/USB.h>
#include "RNDISEthernetHost.h"
/* Macros: */
/** Pipe address for the RNDIS data IN pipe. */
#define RNDIS_DATA_IN_PIPE (PIPE_DIR_IN | 1)
/** Pipe address for the RNDIS data OUT pipe. */
#define RNDIS_DATA_OUT_PIPE (PIPE_DIR_OUT | 2)
/** Pipe address for the RNDIS notification IN pipe. */
#define RNDIS_NOTIFICATION_PIPE (PIPE_DIR_IN | 3)
/* Enums: */
/** Enum for the possible return codes of the \ref ProcessConfigurationDescriptor() function. */
enum RNDISHost_GetConfigDescriptorDataCodes_t
{
SuccessfulConfigRead = 0, /**< Configuration Descriptor was processed successfully */
ControlError = 1, /**< A control request to the device failed to complete successfully */
DescriptorTooLarge = 2, /**< The device's Configuration Descriptor is too large to process */
InvalidConfigDataReturned = 3, /**< The device returned an invalid Configuration Descriptor */
NoCompatibleInterfaceFound = 4, /**< A compatible interface with the required endpoints was not found */
};
/* Function Prototypes: */
uint8_t ProcessConfigurationDescriptor(void);
uint8_t DComp_NextCDCControlInterface(void* CurrentDescriptor);
uint8_t DComp_NextCDCDataInterface(void* CurrentDescriptor);
uint8_t DComp_NextCDCDataInterfaceEndpoint(void* CurrentDescriptor);
#endif

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lib/lufa/Demos/Host/LowLevel/RNDISEthernetHost/Lib/RNDISCommands.c Normal file
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/*
LUFA Library
Copyright (C) Dean Camera, 2017.
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
/*
Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
without fee, provided that the above copyright notice appear in
all copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the name of the author not be used in
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaims all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether
in an action of contract, negligence or other tortious action,
arising out of or in connection with the use or performance of
this software.
*/
/** \file
*
* RNDIS Device commands, to issue RNDIS commands to the device for
* the control and data transfer between the host and RNDIS device.
*/
#include "RNDISCommands.h"
/** Current RNDIS Request ID, for associating sent commands with received data */
uint32_t RequestID = 0;
/** Function to send the given encapsulated RNDIS command to the device.
*
* \param[in] Buffer Source command data buffer to send to the device
* \param[in] Length Number of bytes to send
*
* \return A value from the USB_Host_SendControlErrorCodes_t enum
*/
uint8_t RNDIS_SendEncapsulatedCommand(void* const Buffer,
const uint16_t Length)
{
USB_ControlRequest = (USB_Request_Header_t)
{
.bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),
.bRequest = RNDIS_REQ_SendEncapsulatedCommand,
.wValue = 0,
.wIndex = 0,
.wLength = Length,
};
/* Select the control pipe for the request transfer */
Pipe_SelectPipe(PIPE_CONTROLPIPE);
return USB_Host_SendControlRequest(Buffer);
}
/** Function to receive the given encapsulated RNDIS response from the device.
*
* \param[out] Buffer Destination command data buffer to write read data from the device to
* \param[in] Length Number of bytes to read
*
* \return A value from the USB_Host_SendControlErrorCodes_t enum
*/
uint8_t RNDIS_GetEncapsulatedResponse(void* const Buffer,
const uint16_t Length)
{
USB_ControlRequest = (USB_Request_Header_t)
{
.bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE),
.bRequest = RNDIS_REQ_GetEncapsulatedResponse,
.wValue = 0,
.wIndex = 0,
.wLength = Length,
};
/* Select the control pipe for the request transfer */
Pipe_SelectPipe(PIPE_CONTROLPIPE);
return USB_Host_SendControlRequest(Buffer);
}
/** Sends a RNDIS KEEPALIVE command to the device, to ensure that it does not enter standby mode after periods
* of long inactivity.
*
* \return A value from the USB_Host_SendControlErrorCodes_t enum or RNDIS_COMMAND_FAILED if the device returned a
* logical command failure
*/
uint8_t RNDIS_SendKeepAlive(void)
{
uint8_t ErrorCode;
RNDIS_KeepAlive_Message_t KeepAliveMessage;
RNDIS_KeepAlive_Complete_t KeepAliveMessageResponse;
KeepAliveMessage.MessageType = REMOTE_NDIS_KEEPALIVE_MSG;
KeepAliveMessage.MessageLength = sizeof(RNDIS_KeepAlive_Message_t);
KeepAliveMessage.RequestId = RequestID++;
if ((ErrorCode = RNDIS_SendEncapsulatedCommand(&KeepAliveMessage,
sizeof(RNDIS_KeepAlive_Message_t))) != HOST_SENDCONTROL_Successful)
{
return ErrorCode;
}
if ((ErrorCode = RNDIS_GetEncapsulatedResponse(&KeepAliveMessageResponse,
sizeof(RNDIS_KeepAlive_Complete_t))) != HOST_SENDCONTROL_Successful)
{
return ErrorCode;
}
return HOST_SENDCONTROL_Successful;
}
/** Initializes the attached RNDIS device's RNDIS interface.
*
* \param[in] HostMaxPacketSize Size of the packet buffer on the host
* \param[out] DeviceMaxPacketSize Pointer to where the packet buffer size of the device is to be stored
*
* \return A value from the USB_Host_SendControlErrorCodes_t enum or RNDIS_COMMAND_FAILED if the device returned a
* logical command failure
*/
uint8_t RNDIS_InitializeDevice(const uint16_t HostMaxPacketSize,
uint16_t* const DeviceMaxPacketSize)
{
uint8_t ErrorCode;
RNDIS_Initialize_Message_t InitMessage;
RNDIS_Initialize_Complete_t InitMessageResponse;
InitMessage.MessageType = REMOTE_NDIS_INITIALIZE_MSG;
InitMessage.MessageLength = sizeof(RNDIS_Initialize_Message_t);
InitMessage.RequestId = RequestID++;
InitMessage.MajorVersion = REMOTE_NDIS_VERSION_MAJOR;
InitMessage.MinorVersion = REMOTE_NDIS_VERSION_MINOR;
InitMessage.MaxTransferSize = HostMaxPacketSize;
if ((ErrorCode = RNDIS_SendEncapsulatedCommand(&InitMessage,
sizeof(RNDIS_Initialize_Message_t))) != HOST_SENDCONTROL_Successful)
{
return ErrorCode;
}
if ((ErrorCode = RNDIS_GetEncapsulatedResponse(&InitMessageResponse,
sizeof(RNDIS_Initialize_Complete_t))) != HOST_SENDCONTROL_Successful)
{
return ErrorCode;
}
if (InitMessageResponse.Status != REMOTE_NDIS_STATUS_SUCCESS)
return RNDIS_COMMAND_FAILED;
*DeviceMaxPacketSize = InitMessageResponse.MaxTransferSize;
return HOST_SENDCONTROL_Successful;
}
/** Sets a given RNDIS property of an attached RNDIS device.
*
* \param[in] Oid OID number of the parameter to set
* \param[in] Buffer Pointer to where the property data is to be sourced from
* \param[in] Length Length in bytes of the property data to sent to the device
*
* \return A value from the USB_Host_SendControlErrorCodes_t enum or RNDIS_COMMAND_FAILED if the device returned a
* logical command failure
*/
uint8_t RNDIS_SetRNDISProperty(const uint32_t Oid,
void* Buffer,
const uint16_t Length)
{
uint8_t ErrorCode;
struct
{
RNDIS_Set_Message_t SetMessage;
uint8_t ContiguousBuffer[Length];
} SetMessageData;
RNDIS_Set_Complete_t SetMessageResponse;
SetMessageData.SetMessage.MessageType = REMOTE_NDIS_SET_MSG;
SetMessageData.SetMessage.MessageLength = sizeof(RNDIS_Set_Message_t) + Length;
SetMessageData.SetMessage.RequestId = RequestID++;
SetMessageData.SetMessage.Oid = Oid;
SetMessageData.SetMessage.InformationBufferLength = Length;
SetMessageData.SetMessage.InformationBufferOffset = (sizeof(RNDIS_Set_Message_t) - sizeof(RNDIS_Message_Header_t));
SetMessageData.SetMessage.DeviceVcHandle = 0;
memcpy(SetMessageData.ContiguousBuffer, Buffer, Length);
if ((ErrorCode = RNDIS_SendEncapsulatedCommand(&SetMessageData,
SetMessageData.SetMessage.MessageLength)) != HOST_SENDCONTROL_Successful)
{
return ErrorCode;
}
if ((ErrorCode = RNDIS_GetEncapsulatedResponse(&SetMessageResponse,
sizeof(RNDIS_Set_Complete_t))) != HOST_SENDCONTROL_Successful)
{
return ErrorCode;
}
if (SetMessageResponse.Status != REMOTE_NDIS_STATUS_SUCCESS)
return RNDIS_COMMAND_FAILED;
return HOST_SENDCONTROL_Successful;
}
/** Gets a given RNDIS property of an attached RNDIS device.
*
* \param[in] Oid OID number of the parameter to get
* \param[in] Buffer Pointer to where the property data is to be written to
* \param[in] MaxLength Length in bytes of the destination buffer size
*
* \return A value from the USB_Host_SendControlErrorCodes_t enum or RNDIS_COMMAND_FAILED if the device returned a
* logical command failure
*/
uint8_t RNDIS_QueryRNDISProperty(const uint32_t Oid,
void* Buffer,
const uint16_t MaxLength)
{
uint8_t ErrorCode;
RNDIS_Query_Message_t QueryMessage;
struct
{
RNDIS_Query_Complete_t QueryMessageResponse;
uint8_t ContiguousBuffer[MaxLength];
} QueryMessageResponseData;
QueryMessage.MessageType = REMOTE_NDIS_QUERY_MSG;
QueryMessage.MessageLength = sizeof(RNDIS_Query_Message_t);
QueryMessage.RequestId = RequestID++;
QueryMessage.Oid = Oid;
QueryMessage.InformationBufferLength = 0;
QueryMessage.InformationBufferOffset = 0;
QueryMessage.DeviceVcHandle = 0;
if ((ErrorCode = RNDIS_SendEncapsulatedCommand(&QueryMessage,
sizeof(RNDIS_Query_Message_t))) != HOST_SENDCONTROL_Successful)
{
return ErrorCode;
}
if ((ErrorCode = RNDIS_GetEncapsulatedResponse(&QueryMessageResponseData,
sizeof(QueryMessageResponseData))) != HOST_SENDCONTROL_Successful)
{
return ErrorCode;
}
if (QueryMessageResponseData.QueryMessageResponse.Status != REMOTE_NDIS_STATUS_SUCCESS)
return RNDIS_COMMAND_FAILED;
memcpy(Buffer, &QueryMessageResponseData.ContiguousBuffer, MaxLength);
return HOST_SENDCONTROL_Successful;
}
/** Retrieves the size of a received packet, discarding the remainder of the RNDIS packet header to leave only the
* packet contents for processing by the host.
*
* \param[out] PacketLength Size of the packet currently in the pipe
*
* \return A value from the Pipe_Stream_RW_ErrorCodes_t enum
*/
uint8_t RNDIS_GetPacketLength(uint16_t* const PacketLength)
{
uint8_t ErrorCode;
Pipe_SelectPipe(RNDIS_DATA_IN_PIPE);
Pipe_SetPipeToken(PIPE_TOKEN_IN);
Pipe_Unfreeze();
if (!(Pipe_IsReadWriteAllowed()))
{
*PacketLength = 0;
Pipe_Freeze();
return PIPE_RWSTREAM_NoError;
}
RNDIS_Packet_Message_t DeviceMessage;
if ((ErrorCode = Pipe_Read_Stream_LE(&DeviceMessage, sizeof(RNDIS_Packet_Message_t), NULL)) != PIPE_RWSTREAM_NoError)
{
return ErrorCode;
}
*PacketLength = (uint16_t)DeviceMessage.DataLength;
Pipe_Discard_Stream(DeviceMessage.DataOffset - (sizeof(RNDIS_Packet_Message_t) - sizeof(RNDIS_Message_Header_t)),
NULL);
Pipe_Freeze();
return PIPE_RWSTREAM_NoError;
}

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/*
LUFA Library
Copyright (C) Dean Camera, 2017.
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
/*
Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
without fee, provided that the above copyright notice appear in
all copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the name of the author not be used in
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaims all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether
in an action of contract, negligence or other tortious action,
arising out of or in connection with the use or performance of
this software.
*/
/** \file
*
* Header file for RNDISCommands.c.
*/
#ifndef _RNDIS_COMMANDS_H_
#define _RNDIS_COMMANDS_H_
/* Includes: */
#include <avr/io.h>
#include <stdio.h>
#include <string.h>
#include <LUFA/Drivers/USB/USB.h>
#include "../RNDISEthernetHost.h"
/* Macros: */
/** Additional error code for RNDIS functions when a device returns a logical command failure. */
#define RNDIS_COMMAND_FAILED 0xC0
/* Function Prototypes: */
uint8_t RNDIS_SendEncapsulatedCommand(void* const Buffer,
const uint16_t Length);
uint8_t RNDIS_GetEncapsulatedResponse(void* const Buffer,
const uint16_t Length);
uint8_t RNDIS_SendKeepAlive(void);
uint8_t RNDIS_InitializeDevice(const uint16_t HostMaxPacketSize,
uint16_t* const DeviceMaxPacketSize);
uint8_t RNDIS_SetRNDISProperty(const uint32_t Oid,
void* Buffer,
const uint16_t Length);
uint8_t RNDIS_QueryRNDISProperty(const uint32_t Oid,
void* Buffer,
const uint16_t MaxLength);
uint8_t RNDIS_GetPacketLength(uint16_t* const PacketLength);
#endif

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/*
LUFA Library
Copyright (C) Dean Camera, 2017.
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
/*
Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
without fee, provided that the above copyright notice appear in
all copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the name of the author not be used in
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaims all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether
in an action of contract, negligence or other tortious action,
arising out of or in connection with the use or performance of
this software.
*/
/** \file
*
* Main source file for the RNDISEthernetHost demo. This file contains the main tasks of
* the demo and is responsible for the initial application hardware configuration.
*/
#include "RNDISEthernetHost.h"
/** Main program entry point. This routine configures the hardware required by the application, then
* enters a loop to run the application tasks in sequence.
*/
int main(void)
{
SetupHardware();
puts_P(PSTR(ESC_FG_CYAN "RNDIS Host Demo running.\r\n" ESC_FG_WHITE));
LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
GlobalInterruptEnable();
for (;;)
{
RNDISHost_Task();
USB_USBTask();
}
}
/** Configures the board hardware and chip peripherals for the demo's functionality. */
void SetupHardware(void)
{
#if (ARCH == ARCH_AVR8)
/* Disable watchdog if enabled by bootloader/fuses */
MCUSR &= ~(1 << WDRF);
wdt_disable();
/* Disable clock division */
clock_prescale_set(clock_div_1);
#endif
/* Hardware Initialization */
Serial_Init(9600, false);
LEDs_Init();
USB_Init();
/* Create a stdio stream for the serial port for stdin and stdout */
Serial_CreateStream(NULL);
}
/** Event handler for the USB_DeviceAttached event. This indicates that a device has been attached to the host, and
* starts the library USB task to begin the enumeration and USB management process.
*/
void EVENT_USB_Host_DeviceAttached(void)
{
puts_P(PSTR(ESC_FG_GREEN "Device Attached.\r\n" ESC_FG_WHITE));
LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
}
/** Event handler for the USB_DeviceUnattached event. This indicates that a device has been removed from the host, and
* stops the library USB task management process.
*/
void EVENT_USB_Host_DeviceUnattached(void)
{
puts_P(PSTR(ESC_FG_GREEN "\r\nDevice Unattached.\r\n" ESC_FG_WHITE));
LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
}
/** Event handler for the USB_DeviceEnumerationComplete event. This indicates that a device has been successfully
* enumerated by the host and is now ready to be used by the application.
*/
void EVENT_USB_Host_DeviceEnumerationComplete(void)
{
puts_P(PSTR("Getting Config Data.\r\n"));
uint8_t ErrorCode;
/* Get and process the configuration descriptor data */
if ((ErrorCode = ProcessConfigurationDescriptor()) != SuccessfulConfigRead)
{
if (ErrorCode == ControlError)
puts_P(PSTR(ESC_FG_RED "Control Error (Get Configuration).\r\n"));
else
puts_P(PSTR(ESC_FG_RED "Invalid Device.\r\n"));
printf_P(PSTR(" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
return;
}
/* Set the device configuration to the first configuration (rarely do devices use multiple configurations) */
if ((ErrorCode = USB_Host_SetDeviceConfiguration(1)) != HOST_SENDCONTROL_Successful)
{
printf_P(PSTR(ESC_FG_RED "Control Error (Set Configuration).\r\n"
" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
return;
}
uint16_t DeviceMaxPacketSize;
if ((ErrorCode = RNDIS_InitializeDevice(1024, &DeviceMaxPacketSize)) != HOST_SENDCONTROL_Successful)
{
printf_P(PSTR(ESC_FG_RED "Error Initializing Device.\r\n"
" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
USB_Host_SetDeviceConfiguration(0);
return;
}
printf_P(PSTR("Device Max Transfer Size: %lu bytes.\r\n"), DeviceMaxPacketSize);
/* We set the default filter to only receive packets we would be interested in */
uint32_t PacketFilter = (REMOTE_NDIS_PACKET_DIRECTED | REMOTE_NDIS_PACKET_BROADCAST | REMOTE_NDIS_PACKET_ALL_MULTICAST);
if ((ErrorCode = RNDIS_SetRNDISProperty(OID_GEN_CURRENT_PACKET_FILTER,
&PacketFilter, sizeof(PacketFilter))) != HOST_SENDCONTROL_Successful)
{
printf_P(PSTR(ESC_FG_RED "Error Setting Device Packet Filter.\r\n"
" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
USB_Host_SetDeviceConfiguration(0);
return;
}
uint32_t VendorID;
if ((ErrorCode = RNDIS_QueryRNDISProperty(OID_GEN_VENDOR_ID,
&VendorID, sizeof(VendorID))) != HOST_SENDCONTROL_Successful)
{
printf_P(PSTR(ESC_FG_RED "Error Getting Vendor ID.\r\n"
" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
USB_Host_SetDeviceConfiguration(0);
return;
}
printf_P(PSTR("Device Vendor ID: 0x%08lX\r\n"), VendorID);
puts_P(PSTR("RNDIS Device Enumerated.\r\n"));
LEDs_SetAllLEDs(LEDMASK_USB_READY);
}
/** Event handler for the USB_HostError event. This indicates that a hardware error occurred while in host mode. */
void EVENT_USB_Host_HostError(const uint8_t ErrorCode)
{
USB_Disable();
printf_P(PSTR(ESC_FG_RED "Host Mode Error\r\n"
" -- Error Code %d\r\n" ESC_FG_WHITE), ErrorCode);
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
for(;;);
}
/** Event handler for the USB_DeviceEnumerationFailed event. This indicates that a problem occurred while
* enumerating an attached USB device.
*/
void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode,
const uint8_t SubErrorCode)
{
printf_P(PSTR(ESC_FG_RED "Dev Enum Error\r\n"
" -- Error Code %d\r\n"
" -- Sub Error Code %d\r\n"
" -- In State %d\r\n" ESC_FG_WHITE), ErrorCode, SubErrorCode, USB_HostState);
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
}
/** Task to read in data received from the attached RNDIS device and print it to the serial port.
*/
void RNDISHost_Task(void)
{
if (USB_HostState != HOST_STATE_Configured)
return;
uint8_t ErrorCode;
LEDs_SetAllLEDs(LEDMASK_USB_BUSY);
uint16_t PacketLength;
if ((ErrorCode = RNDIS_GetPacketLength(&PacketLength)) != HOST_SENDCONTROL_Successful)
{
printf_P(PSTR(ESC_FG_RED "Packet Reception Error.\r\n"
" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
return;
}
if (!(PacketLength))
return;
Pipe_Unfreeze();
printf_P(PSTR("***PACKET (Size %d)***\r\n"), PacketLength);
if (PacketLength > 1024)
{
puts_P(PSTR(ESC_FG_RED "Packet too large.\r\n" ESC_FG_WHITE));
Pipe_Discard_Stream(PacketLength, NULL);
}
else
{
uint8_t PacketBuffer[PacketLength];
Pipe_Read_Stream_LE(&PacketBuffer, PacketLength, NULL);
for (uint16_t i = 0; i < PacketLength; i++)
printf("0x%02x ", PacketBuffer[i]);
}
Pipe_ClearIN();
Pipe_Freeze();
printf("\r\n\r\n");
LEDs_SetAllLEDs(LEDMASK_USB_READY);
}

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/*
LUFA Library
Copyright (C) Dean Camera, 2017.
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
/*
Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
without fee, provided that the above copyright notice appear in
all copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the name of the author not be used in
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaims all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether
in an action of contract, negligence or other tortious action,
arising out of or in connection with the use or performance of
this software.
*/
/** \file
*
* Header file for RNDISEthernetHost.c.
*/
#ifndef _RNDIS_HOST_H_
#define _RNDIS_HOST_H_
/* Includes: */
#include <avr/io.h>
#include <avr/wdt.h>
#include <avr/pgmspace.h>
#include <avr/power.h>
#include <avr/interrupt.h>
#include <stdio.h>
#include <LUFA/Drivers/Misc/TerminalCodes.h>
#include <LUFA/Drivers/USB/USB.h>
#include <LUFA/Drivers/Peripheral/Serial.h>
#include <LUFA/Drivers/Board/LEDs.h>
#include <LUFA/Platform/Platform.h>
#include "Lib/RNDISCommands.h"
#include "ConfigDescriptor.h"
/* Macros: */
/** LED mask for the library LED driver, to indicate that the USB interface is not ready. */
#define LEDMASK_USB_NOTREADY LEDS_LED1
/** LED mask for the library LED driver, to indicate that the USB interface is enumerating. */
#define LEDMASK_USB_ENUMERATING (LEDS_LED2 | LEDS_LED3)
/** LED mask for the library LED driver, to indicate that the USB interface is ready. */
#define LEDMASK_USB_READY (LEDS_LED2 | LEDS_LED4)
/** LED mask for the library LED driver, to indicate that an error has occurred in the USB interface. */
#define LEDMASK_USB_ERROR (LEDS_LED1 | LEDS_LED3)
/** LED mask for the library LED driver, to indicate that the USB interface is busy. */
#define LEDMASK_USB_BUSY LEDS_LED2
/* Function Prototypes: */
void SetupHardware(void);
void RNDISHost_Task(void);
void EVENT_USB_Host_HostError(const uint8_t ErrorCode);
void EVENT_USB_Host_DeviceAttached(void);
void EVENT_USB_Host_DeviceUnattached(void);
void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode,
const uint8_t SubErrorCode);
void EVENT_USB_Host_DeviceEnumerationComplete(void);
#endif

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/** \file
*
* This file contains special DoxyGen information for the generation of the main page and other special
* documentation pages. It is not a project source file.
*/
/** \mainpage RNDIS Host Demo
*
* \section Sec_Compat Demo Compatibility:
*
* The following list indicates what microcontrollers are compatible with this demo.
*
* \li Series 7 USB AVRs (AT90USBxxx7)
*
* \section Sec_Info USB Information:
*
* The following table gives a rundown of the USB utilization of this demo.
*
* <table>
* <tr>
* <td><b>USB Mode:</b></td>
* <td>Host</td>
* </tr>
* <tr>
* <td><b>USB Class:</b></td>
* <td>Communications Device Class (CDC)</td>
* </tr>
* <tr>
* <td><b>USB Subclass:</b></td>
* <td>Remote NDIS (Microsoft Proprietary CDC Class Networking Standard)</td>
* </tr>
* <tr>
* <td><b>Relevant Standards:</b></td>
* <td>Microsoft RNDIS Specification</td>
* </tr>
* <tr>
* <td><b>Supported USB Speeds:</b></td>
* <td>Full Speed Mode</td>
* </tr>
* </table>
*
* \section Sec_Description Project Description:
*
* RNDIS host demonstration application. This gives a simple reference
* application for implementing a RNDIS Ethernet host, for USB devices such as
* modems.
*
* This demo will enumerate an attached USB RNDIS device, print out its vendor ID
* and any received packets in raw form through the serial USART.
*
* \section Sec_Options Project Options
*
* The following defines can be found in this demo, which can control the demo behaviour when defined, or changed in value.
*
* <table>
* <tr>
* <td>
* None
* </td>
* </tr>
* </table>
*/

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<asf xmlversion="1.0">
<project caption="RNDIS Ethernet Host Demo (Low Level APIs)" id="lufa.demos.host.lowlevel.rndis.example.avr8">
<require idref="lufa.demos.host.lowlevel.rndis"/>
<require idref="lufa.boards.dummy.avr8"/>
<generator value="as5_8"/>
<device-support value="at90usb1287"/>
<config name="lufa.drivers.board.name" value="none"/>
<build type="define" name="F_CPU" value="16000000UL"/>
<build type="define" name="F_USB" value="16000000UL"/>
</project>
<module type="application" id="lufa.demos.host.lowlevel.rndis" caption="RNDIS Ethernet Host Demo (Low Level APIs)">
<info type="description" value="summary">
Microsoft RNDIS Ethernet Host demo, implementing a RNDIS host that can send and receive Ethernet data to and from an attached device. This demo uses the Low Level LUFA APIs to manually implement a USB Class for demonstration purposes without using the simpler in-built LUFA Class Driver APIs.
</info>
<info type="gui-flag" value="move-to-root"/>
<info type="keyword" value="Technology">
<keyword value="Low Level APIs"/>
<keyword value="USB Host"/>
<keyword value="RNDIS Class"/>
</info>
<device-support-alias value="lufa_avr8"/>
<device-support-alias value="lufa_xmega"/>
<device-support-alias value="lufa_uc3"/>
<build type="distribute" subtype="user-file" value="doxyfile"/>
<build type="distribute" subtype="user-file" value="RNDISHost.txt"/>
<build type="c-source" value="RNDISEthernetHost.c"/>
<build type="c-source" value="ConfigDescriptor.c"/>
<build type="header-file" value="RNDISEthernetHost.h"/>
<build type="header-file" value="ConfigDescriptor.h"/>
<build type="c-source" value="Lib/RNDISCommands.c"/>
<build type="header-file" value="Lib/RNDISCommands.h"/>
<build type="module-config" subtype="path" value="Config"/>
<build type="header-file" value="Config/LUFAConfig.h"/>
<require idref="lufa.common"/>
<require idref="lufa.platform"/>
<require idref="lufa.drivers.usb"/>
<require idref="lufa.drivers.peripheral.usart"/>
<require idref="lufa.drivers.misc.ansi"/>
<require idref="lufa.drivers.board"/>
<require idref="lufa.drivers.board.leds"/>
</module>
</asf>

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#
# LUFA Library
# Copyright (C) Dean Camera, 2017.
#
# dean [at] fourwalledcubicle [dot] com
# www.lufa-lib.org
#
# --------------------------------------
# LUFA Project Makefile.
# --------------------------------------
# Run "make help" for target help.
MCU = at90usb1287
ARCH = AVR8
BOARD = USBKEY
F_CPU = 8000000
F_USB = $(F_CPU)
OPTIMIZATION = s
TARGET = RNDISEthernetHost
SRC = $(TARGET).c ConfigDescriptor.c Lib/RNDISCommands.c $(LUFA_SRC_USB) $(LUFA_SRC_SERIAL)
LUFA_PATH = ../../../../LUFA
CC_FLAGS = -DUSE_LUFA_CONFIG_HEADER -IConfig/
LD_FLAGS =
# Default target
all:
# Include LUFA-specific DMBS extension modules
DMBS_LUFA_PATH ?= $(LUFA_PATH)/Build/LUFA
include $(DMBS_LUFA_PATH)/lufa-sources.mk
include $(DMBS_LUFA_PATH)/lufa-gcc.mk
# Include common DMBS build system modules
DMBS_PATH ?= $(LUFA_PATH)/Build/DMBS/DMBS
include $(DMBS_PATH)/core.mk
include $(DMBS_PATH)/cppcheck.mk
include $(DMBS_PATH)/doxygen.mk
include $(DMBS_PATH)/dfu.mk
include $(DMBS_PATH)/gcc.mk
include $(DMBS_PATH)/hid.mk
include $(DMBS_PATH)/avrdude.mk
include $(DMBS_PATH)/atprogram.mk