arp.h

ATmega103、ATmega128做的开发板web server源码

/******************************************************************
* arp.h:
* 
* Copyright (c) 2001 Atmel Corporation.
* All Rights Reserved.
*
* You are autorized to use, copy and distribute this software only at 
* a single site (the term "site" meaning a single company location). 
* This copyright notice must be included in any copy, modification 
* or portion of this software merged into another program.
* 
* This software is licenced solely for use with Atmel AVR micro 
* controller family. The software may not be modified to execute on 
* any other microcontroller architectures
*
* This software is provided "as is"; Without warranties either express
* or implied, including any warranty regarding merchantability, 
* fitness for a particular purpose or noninfringement. 
*
* In no event shall Atmel or its suppliers be liable for any special, 
* indirect,incidential or concequential damages resulting from the 
* use or inability to use this software.
*
* Revision history:
*
* January 17, 2001:   Version 1.0   Created by JB
* July 13, 2001		  Version 1.2     JB
* 					- Changed to IAR compiler V2.25
*					- Renamed flash file functions to avoid conflict with 
*					  standard file I/O names	
*					- Bug fixes in HTTP
*					- Speed optimization in TCP 
*
*
*******************************************************************/

/*Frame offset*/
#define ARP_HARDTYPE          7
#define ARP_PROTTYPE          8
#define ARP_LENGTH            9
#define ARP_OPCODE            10 
#define ARP_SENDER_MAC0       11
#define ARP_SENDER_MAC1       12
#define ARP_SENDER_MAC2       13
#define ARP_SENDER_IP0        14
#define ARP_SENDER_IP1        15
#define ARP_TARGET_MAC0       16
#define ARP_TARGET_MAC1       17
#define ARP_TARGET_MAC2       18
#define ARP_TARGET_IP0        19
#define ARP_TARGET_IP1        20

/*called when an ARP request has been recevied, if this is a
  valid request a reply is sent */
void receiveARP( void );
/*sends an ARP request*/
void sendARP(unsigned int ip0, unsigned int ip1);