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/*
LUFA Library
Copyright (C) Dean Camera, 2009.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, and distribute this software
and its documentation for any purpose and without fee is hereby
granted, 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 disclaim 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
*
* RNDOS Device commands, to issue RNDIS commands to the device for
* the control and data transfer between the host and RNDIS device.
*/
#include "RNDISCommands.h"
uint32_t RequestID = 0;
uint8_t RNDIS_SendEncapsulatedCommand(void* Buffer, uint16_t Length)
{
USB_ControlRequest = (USB_Request_Header_t)
{
.bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),
.bRequest = REQ_SendEncapsulatedCommand,
.wValue = 0,
.wIndex = 0,
.wLength = Length,
};
printf("==== RNDIS CONTROL REQUEST ====\r\n");
uint8_t* Data = Buffer;
for (uint16_t i = 0; i < Length / 8; i++)
{
for (uint16_t j = 0; (j < 8) && i*8+j < Length; j++)
printf("%02X ", *(Data++));
printf("\r\n");
}
printf("==== ********************* ====\r\n");
/* Select the control pipe for the request transfer */
Pipe_SelectPipe(PIPE_CONTROLPIPE);
return USB_Host_SendControlRequest(Buffer);
}
uint8_t RNDIS_GetEncapsulatedResponse(void* Buffer, uint16_t Length)
{
USB_ControlRequest = (USB_Request_Header_t)
{
.bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE),
.bRequest = 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);
}
uint8_t RNDIS_InitializeDevice(uint16_t MaxPacketSize, RNDIS_Initialize_Complete_t* InitMessageResponse)
{
uint8_t ErrorCode;
RNDIS_Initialize_Message_t InitMessage;
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 = sizeof(RNDIS_Packet_Message_t) + MaxPacketSize;
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;
}
return HOST_SENDCONTROL_Successful;
}
uint8_t RNDIS_SetRNDISProperty(uint32_t Oid, void* Buffer, uint16_t Length)
{
uint8_t ErrorCode;
struct
{
RNDIS_Set_Message_t SetMessage;
uint8_t ContigiousBuffer[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 = 0;
SetMessageData.SetMessage.DeviceVcHandle = 0;
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;
}
return HOST_SENDCONTROL_Successful;
}
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