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Complete RNDIS Host Class driver code - add SendPacket function.

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Correct CDC Host Class driver token handling for sending data on bidirectional data endpoints.
This commit is contained in:
Dean Camera 2009-11-26 11:40:15 +00:00
parent 9ba8da7412
commit 5e46801096
3 changed files with 56 additions and 2 deletions
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43
LUFA/Drivers/USB/Class/Host/RNDIS.c
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@ -443,4 +443,47 @@ uint8_t RNDIS_Host_ReadPacket(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceIn
return PIPE_RWSTREAM_NoError;
}
uint8_t RNDIS_Host_SendPacket(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo, void* Buffer, uint16_t PacketLength)
{
uint8_t ErrorCode;
if ((USB_HostState != HOST_STATE_Configured) || !(RNDISInterfaceInfo->State.IsActive))
return PIPE_READYWAIT_DeviceDisconnected;
if (RNDISInterfaceInfo->State.BidirectionalDataEndpoints)
{
Pipe_SelectPipe(RNDISInterfaceInfo->Config.DataINPipeNumber);
Pipe_SetPipeToken(PIPE_TOKEN_OUT);
}
else
{
Pipe_SelectPipe(RNDISInterfaceInfo->Config.DataOUTPipeNumber);
}
Pipe_Unfreeze();
RNDIS_Packet_Message_t DeviceMessage;
DeviceMessage.MessageType = REMOTE_NDIS_PACKET_MSG;
DeviceMessage.MessageLength = (sizeof(RNDIS_Packet_Message_t) + PacketLength);
DeviceMessage.DataOffset = (sizeof(RNDIS_Packet_Message_t) - sizeof(RNDIS_Message_Header_t));
DeviceMessage.DataLength = PacketLength;
if ((ErrorCode = Pipe_Write_Stream_LE(&DeviceMessage, sizeof(RNDIS_Packet_Message_t),
NO_STREAM_CALLBACK)) != PIPE_RWSTREAM_NoError)
{
return ErrorCode;
}
Pipe_Write_Stream_LE(Buffer, PacketLength, NO_STREAM_CALLBACK);
Pipe_ClearOUT();
Pipe_Freeze();
if (RNDISInterfaceInfo->State.BidirectionalDataEndpoints)
Pipe_SetPipeToken(PIPE_TOKEN_IN);
return PIPE_RWSTREAM_NoError;
}
#endif