Move new Class Driver powered demos to a new ClassDriver subdirectory, re-add old low level demos to a LowLevel subdirectory.

1 files changed, 80 insertions, 0 deletions

diff --git a/Demos/Device/ClassDriver/RNDISEthernet/Lib/ICMP.c b/Demos/Device/ClassDriver/RNDISEthernet/Lib/ICMP.c
new file mode 100644
index 000000000..ee87f8383
--- /dev/null
+++ b/Demos/Device/ClassDriver/RNDISEthernet/Lib/ICMP.c
@@ -0,0 +1,80 @@
+/*

+             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

+ *

+ *  Internet Control Message Protocol (ICMP) packet handling routines. This protocol handles

+ *  Echo requests from the host, to indicate a successful network connection between the host

+ *  and the virtual server.

+ */

+ 

+#include "ICMP.h"

+

+/** Processes an ICMP packet inside an Ethernet frame, and writes the appropriate response

+ *  to the output Ethernet frame if the host is issuing a ICMP ECHO request.

+ *

+ *  \param FrameIN  Pointer to the incomming Ethernet frame information structure

+ *  \param InDataStart   Pointer to the start of the incoming packet's ICMP header

+ *  \param OutDataStart  Pointer to the start of the outgoing packet's ICMP header

+ *

+ *  \return The number of bytes written to the out Ethernet frame if any, NO_RESPONSE otherwise

+ */

+int16_t ICMP_ProcessICMPPacket(Ethernet_Frame_Info_t* FrameIN, void* InDataStart, void* OutDataStart)

+{

+	ICMP_Header_t* ICMPHeaderIN  = (ICMP_Header_t*)InDataStart;

+	ICMP_Header_t* ICMPHeaderOUT = (ICMP_Header_t*)OutDataStart;

+

+	DecodeICMPHeader(InDataStart);

+

+	/* Determine if the ICMP packet is an echo request (ping) */

+	if (ICMPHeaderIN->Type == ICMP_TYPE_ECHOREQUEST)

+	{

+		/* Fill out the ICMP response packet */

+		ICMPHeaderOUT->Type     = ICMP_TYPE_ECHOREPLY;

+		ICMPHeaderOUT->Code     = 0;

+		ICMPHeaderOUT->Checksum = 0;

+		ICMPHeaderOUT->Id       = ICMPHeaderIN->Id;

+		ICMPHeaderOUT->Sequence = ICMPHeaderIN->Sequence;

+		

+		uint16_t DataSize = FrameIN->FrameLength - ((((uint16_t)InDataStart + sizeof(ICMP_Header_t)) - (uint16_t)FrameIN->FrameData));

+		

+		/* Copy the remaining payload to the response - echo requests should echo back any sent data */

+		memcpy(&((uint8_t*)OutDataStart)[sizeof(ICMP_Header_t)],

+		       &((uint8_t*)InDataStart)[sizeof(ICMP_Header_t)],

+			   DataSize);

+

+		ICMPHeaderOUT->Checksum = Ethernet_Checksum16(ICMPHeaderOUT, (DataSize + sizeof(ICMP_Header_t)));

+

+		/* Return the size of the response so far */

+		return (DataSize + sizeof(ICMP_Header_t));

+	}

+	

+	return NO_RESPONSE;

+}