From 5e468010967b893feb7a623959d788d10e38940b Mon Sep 17 00:00:00 2001
From: Dean Camera <dean@fourwalledcubicle.com>
Date: Thu, 26 Nov 2009 11:40:15 +0000
Subject: [PATCH] Complete RNDIS Host Class driver code - add SendPacket
function.
Correct CDC Host Class driver token handling for sending data on bidirectional data endpoints.
---
LUFA/Drivers/USB/Class/Host/CDC.c | 4 +--
LUFA/Drivers/USB/Class/Host/RNDIS.c | 43 +++++++++++++++++++++++++++++
LUFA/Drivers/USB/Class/Host/RNDIS.h | 11 ++++++++
3 files changed, 56 insertions(+), 2 deletions(-)
diff --git a/LUFA/Drivers/USB/Class/Host/CDC.c b/LUFA/Drivers/USB/Class/Host/CDC.c
index d1e63b591..20fa65988 100644
--- a/LUFA/Drivers/USB/Class/Host/CDC.c
+++ b/LUFA/Drivers/USB/Class/Host/CDC.c
@@ -280,7 +280,7 @@ uint8_t CDC_Host_SendString(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo, ch
if (CDCInterfaceInfo->State.BidirectionalDataEndpoints)
{
Pipe_SelectPipe(CDCInterfaceInfo->Config.DataINPipeNumber);
- Pipe_SetPipeToken(PIPE_TOKEN_IN);
+ Pipe_SetPipeToken(PIPE_TOKEN_OUT);
}
else
{
@@ -307,7 +307,7 @@ uint8_t CDC_Host_SendByte(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo, cons
if (CDCInterfaceInfo->State.BidirectionalDataEndpoints)
{
Pipe_SelectPipe(CDCInterfaceInfo->Config.DataINPipeNumber);
- Pipe_SetPipeToken(PIPE_TOKEN_IN);
+ Pipe_SetPipeToken(PIPE_TOKEN_OUT);
}
else
{
diff --git a/LUFA/Drivers/USB/Class/Host/RNDIS.c b/LUFA/Drivers/USB/Class/Host/RNDIS.c
index e44d05fab..b22674855 100644
--- a/LUFA/Drivers/USB/Class/Host/RNDIS.c
+++ b/LUFA/Drivers/USB/Class/Host/RNDIS.c
@@ -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
diff --git a/LUFA/Drivers/USB/Class/Host/RNDIS.h b/LUFA/Drivers/USB/Class/Host/RNDIS.h
index 9b14055e7..b20e98946 100644
--- a/LUFA/Drivers/USB/Class/Host/RNDIS.h
+++ b/LUFA/Drivers/USB/Class/Host/RNDIS.h
@@ -209,6 +209,17 @@
uint8_t RNDIS_Host_ReadPacket(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo, void* Buffer, uint16_t* PacketLength)
ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2) ATTR_NON_NULL_PTR_ARG(3);
+ /** Sends the given packet to the attached RNDIS device, after adding a RNDIS packet message header.
+ *
+ * \param[in,out] RNDISInterfaceInfo Pointer to a structure containing an RNDIS Class host configuration and state
+ * \param[in] Buffer Pointer to a buffer where the packer data is to be read from
+ * \param[in] PacketLength Length in bytes of the packet to send
+ *
+ * \return A value from the Pipe_Stream_RW_ErrorCodes_t enum
+ */
+ uint8_t RNDIS_Host_SendPacket(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo, void* Buffer, uint16_t PacketLength)
+ ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2);
+
/* Private Interface - For use in library only: */
#if !defined(__DOXYGEN__)
/* Macros: */
--
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