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diff --git a/Demo/lwIP_Demo_Rowley_ARM7/EMAC/Emac.h b/Demo/lwIP_Demo_Rowley_ARM7/EMAC/Emac.h
new file mode 100644
index 000000000..eac73b2d8
--- /dev/null
+++ b/Demo/lwIP_Demo_Rowley_ARM7/EMAC/Emac.h
@@ -0,0 +1,117 @@
+//*----------------------------------------------------------------------------
+//*         ATMEL Microcontroller Software Support  -  ROUSSET  -
+//*----------------------------------------------------------------------------
+//* The software is delivered "AS IS" without warranty or condition of any
+//* kind, either express, implied or statutory. This includes without
+//* limitation any warranty or condition with respect to merchantability or
+//* fitness for any particular purpose, or against the infringements of
+//* intellectual property rights of others.
+//*----------------------------------------------------------------------------
+//* File Name           : Emac.h
+//* Object              : Emac header file
+//* Creation            : Hi   11/18/2002
+//*
+//*----------------------------------------------------------------------------
+#ifndef AT91C_EMAC_H
+#define AT91C_EMAC_H
+
+#include "lwipopts.h"
+
+
+/* Number of receive buffers */
+#define NB_RX_BUFFERS			50		
+
+/* Size of each receive buffer - DO NOT CHANGE. */
+#define ETH_RX_BUFFER_SIZE		128         
+
+/* Number of Transmit buffers */
+#define NB_TX_BUFFERS			( MEMP_NUM_PBUF / 2 )	
+
+/* Size of each Transmit buffer. */
+#define ETH_TX_BUFFER_SIZE		( PBUF_POOL_BUFSIZE  )   
+
+/* Receive Transfer descriptor structure */
+typedef struct  _AT91S_RxTdDescriptor {
+	unsigned int addr;
+	union
+	{
+		unsigned int status;
+		struct {
+			unsigned int Length:11;
+			unsigned int Res0:1;
+			unsigned int Rxbuf_off:2;
+			unsigned int StartOfFrame:1;
+			unsigned int EndOfFrame:1;
+			unsigned int Cfi:1;
+			unsigned int VlanPriority:3;
+			unsigned int PriorityTag:1;
+			unsigned int VlanTag:1;
+			unsigned int TypeID:1;
+			unsigned int Sa4Match:1;
+			unsigned int Sa3Match:1;
+			unsigned int Sa2Match:1;
+			unsigned int Sa1Match:1;
+			unsigned int Res1:1;
+			unsigned int ExternalAdd:1;
+			unsigned int UniCast:1;
+			unsigned int MultiCast:1;
+			unsigned int BroadCast:1;
+		}S_Status;		
+	}U_Status;
+}AT91S_RxTdDescriptor, *AT91PS_RxTdDescriptor;
+
+
+/* Transmit Transfer descriptor structure */
+typedef struct _AT91S_TxTdDescriptor {
+	unsigned int addr;
+	union
+	{
+		unsigned int status;
+		struct {
+			unsigned int Length:11;
+			unsigned int Res0:4;
+			unsigned int LastBuff:1;
+			unsigned int NoCrc:1;
+			unsigned int Res1:10;
+			unsigned int BufExhausted:1;
+			unsigned int TransmitUnderrun:1;
+			unsigned int TransmitError:1;
+			unsigned int Wrap:1;
+			unsigned int BuffUsed:1;
+		}S_Status;		
+	}U_Status;
+}AT91S_TxTdDescriptor, *AT91PS_TxTdDescriptor;
+
+#define AT91C_OWNERSHIP_BIT		0x00000001
+
+/* Receive status defintion */
+#define AT91C_BROADCAST_ADDR	((unsigned int) (1 << 31))	//* Broadcat address detected
+#define AT91C_MULTICAST_HASH 	((unsigned int) (1 << 30))	//* MultiCast hash match
+#define AT91C_UNICAST_HASH 	    ((unsigned int) (1 << 29))	//* UniCast hash match
+#define AT91C_EXTERNAL_ADDR	    ((unsigned int) (1 << 28))	//* External Address match
+#define AT91C_SA1_ADDR	    	((unsigned int) (1 << 26))	//* Specific address 1 match
+#define AT91C_SA2_ADDR	    	((unsigned int) (1 << 25))	//* Specific address 2 match
+#define AT91C_SA3_ADDR	    	((unsigned int) (1 << 24))	//* Specific address 3 match
+#define AT91C_SA4_ADDR	    	((unsigned int) (1 << 23))	//* Specific address 4 match
+#define AT91C_TYPE_ID	    	((unsigned int) (1 << 22))	//* Type ID match
+#define AT91C_VLAN_TAG	    	((unsigned int) (1 << 21))	//* VLAN tag detected
+#define AT91C_PRIORITY_TAG    	((unsigned int) (1 << 20))	//* PRIORITY tag detected
+#define AT91C_VLAN_PRIORITY    	((unsigned int) (7 << 17))  //* PRIORITY Mask
+#define AT91C_CFI_IND        	((unsigned int) (1 << 16))  //* CFI indicator
+#define AT91C_EOF           	((unsigned int) (1 << 15))  //* EOF
+#define AT91C_SOF           	((unsigned int) (1 << 14))  //* SOF
+#define AT91C_RBF_OFFSET     	((unsigned int) (3 << 12))  //* Receive Buffer Offset Mask
+#define AT91C_LENGTH_FRAME     	((unsigned int) 0x07FF)     //* Length of frame
+
+/* Transmit Status definition */
+#define AT91C_TRANSMIT_OK		((unsigned int) (1 << 31))	//*
+#define AT91C_TRANSMIT_WRAP		((unsigned int) (1 << 30))	//* Wrap bit: mark the last descriptor
+#define AT91C_TRANSMIT_ERR		((unsigned int) (1 << 29))	//* RLE:transmit error
+#define AT91C_TRANSMIT_UND		((unsigned int) (1 << 28))	//* Transmit Underrun
+#define AT91C_BUF_EX     		((unsigned int) (1 << 27))	//* Buffers exhausted in mid frame
+#define AT91C_TRANSMIT_NO_CRC	((unsigned int) (1 << 16))	//* No CRC will be appended to the current frame
+#define AT91C_LAST_BUFFER    	((unsigned int) (1 << 15))	//*
+
+#define AT91C_EMAC_CLKEN 0x2
+
+#endif //* AT91C_EMAC_H