From 9d733d44b402ce33c3c41e45b497c2f92be393f5 Mon Sep 17 00:00:00 2001
From: Dean Camera <dean@fourwalledcubicle.com>
Date: Wed, 18 May 2011 14:33:34 +0000
Subject: Add new RNDIS_Host_IsPacketReceived(), RNDIS_Device_ReadPacket() and
 RNDIS_Device_WritePacket() functions to the Device RNDIS Class Driver.

Modify RNDIS demos to suit the simplified Ethernet_Frame_Info_t structure.
---
 Demos/Device/ClassDriver/RNDISEthernet/Lib/Ethernet.c | 3 +--
 Demos/Device/ClassDriver/RNDISEthernet/Lib/TCP.c      | 9 +++------
 Demos/Device/ClassDriver/RNDISEthernet/Lib/TCP.h      | 3 ++-
 3 files changed, 6 insertions(+), 9 deletions(-)

(limited to 'Demos/Device/ClassDriver/RNDISEthernet/Lib')

diff --git a/Demos/Device/ClassDriver/RNDISEthernet/Lib/Ethernet.c b/Demos/Device/ClassDriver/RNDISEthernet/Lib/Ethernet.c
index 918b627a5..dacbdbf89 100644
--- a/Demos/Device/ClassDriver/RNDISEthernet/Lib/Ethernet.c
+++ b/Demos/Device/ClassDriver/RNDISEthernet/Lib/Ethernet.c
@@ -96,7 +96,6 @@ void Ethernet_ProcessPacket(Ethernet_Frame_Info_t* const FrameIN,
 
 			/* Set the response length in the buffer and indicate that a response is ready to be sent */
 			FrameOUT->FrameLength           = (sizeof(Ethernet_Frame_Header_t) + RetSize);
-			FrameOUT->FrameInBuffer         = true;
 		}
 	}
 
@@ -104,7 +103,7 @@ void Ethernet_ProcessPacket(Ethernet_Frame_Info_t* const FrameIN,
 	if (RetSize != NO_PROCESS)
 	{
 		/* Clear the frame buffer */
-		FrameIN->FrameInBuffer = false;
+		FrameIN->FrameLength = 0;
 	}
 }
 
diff --git a/Demos/Device/ClassDriver/RNDISEthernet/Lib/TCP.c b/Demos/Device/ClassDriver/RNDISEthernet/Lib/TCP.c
index a748289a2..f6354f509 100644
--- a/Demos/Device/ClassDriver/RNDISEthernet/Lib/TCP.c
+++ b/Demos/Device/ClassDriver/RNDISEthernet/Lib/TCP.c
@@ -55,7 +55,8 @@ TCP_ConnectionState_t  ConnectionStateTable[MAX_TCP_CONNECTIONS];
  *  level. If an application produces a response, this task constructs the appropriate Ethernet frame and places it into the Ethernet OUT
  *  buffer for later transmission.
  */
-void TCP_TCPTask(USB_ClassInfo_RNDIS_Device_t* const RNDISInterfaceInfo)
+void TCP_TCPTask(USB_ClassInfo_RNDIS_Device_t* const RNDISInterfaceInfo,
+		         Ethernet_Frame_Info_t* const FrameOUT)
 {
 	/* Run each application in sequence, to process incoming and generate outgoing packets */
 	for (uint8_t CSTableEntry = 0; CSTableEntry < MAX_TCP_CONNECTIONS; CSTableEntry++)
@@ -73,11 +74,8 @@ void TCP_TCPTask(USB_ClassInfo_RNDIS_Device_t* const RNDISInterfaceInfo)
 		}
 	}
 
-	/* Get pointer to the output frame info struct for convenience */
-	Ethernet_Frame_Info_t* FrameOUT = &RNDISInterfaceInfo->State.FrameOUT;
-
 	/* Bail out early if there is already a frame waiting to be sent in the Ethernet OUT buffer */
-	if (FrameOUT->FrameInBuffer)
+	if (FrameOUT->FrameLength)
 	  return;
 
 	/* Send response packets from each application as the TCP packet buffers are filled by the applications */
@@ -147,7 +145,6 @@ void TCP_TCPTask(USB_ClassInfo_RNDIS_Device_t* const RNDISInterfaceInfo)
 
 			/* Set the response length in the buffer and indicate that a response is ready to be sent */
 			FrameOUT->FrameLength           = PacketSize;
-			FrameOUT->FrameInBuffer         = true;
 
 			ConnectionStateTable[CSTableEntry].Info.Buffer.Ready = false;
 
diff --git a/Demos/Device/ClassDriver/RNDISEthernet/Lib/TCP.h b/Demos/Device/ClassDriver/RNDISEthernet/Lib/TCP.h
index cbb3c6eec..aad63a4fe 100644
--- a/Demos/Device/ClassDriver/RNDISEthernet/Lib/TCP.h
+++ b/Demos/Device/ClassDriver/RNDISEthernet/Lib/TCP.h
@@ -228,7 +228,8 @@
 		} TCP_Header_t;
 
 	/* Function Prototypes: */
-		void                  TCP_TCPTask(USB_ClassInfo_RNDIS_Device_t* const RNDISInterfaceInfo);
+		void                  TCP_TCPTask(USB_ClassInfo_RNDIS_Device_t* const RNDISInterfaceInfo,
+		                                  Ethernet_Frame_Info_t* const FrameOUT);
 		void                  TCP_Init(void);
 		bool                  TCP_SetPortState(const uint16_t Port,
 		                                       const uint8_t State,
-- 
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