udp.h

基于51的单片机的PPP协议实现

/*/////////////////////////////////////////////////////////////////////////////

File Name : UDP.h

Author : Rene Trenado

Location : Motorola Applications Lab, Baja California

Date Created : December 2001

Current Revision : 0.0

Notes : This file contains definitions needed by the UDP module.

//////////////////////////////////////////////////////////////////////////////*/
#ifndef __UDP_H
#define __UDP_H

#include "Notation.h"

typedef struct {
	BYTE	SourceIP [4];
	BYTE	DestinationIP [4];
	WORD	SourcePort;
	WORD	DestPort;
	BYTE	LengthUpper;
	BYTE	Length;
	WORD	Checksum;
	BYTE	Payload[54];
} UDPDatagram;

extern UDPDatagram *udp_out;

typedef void (* UDPCALLBACK)(BYTE *data, BYTE size, DWORD RemoteIP, WORD Port);
void UDPSetCALLBACK (UDPCALLBACK Proc);
void UDP_Handler (UDPDatagram *udp);
WORD UDP_Checksum (BYTE* udp);
void UDPBind (WORD Port);
void UDPSendData (BYTE Ip[], WORD Port, BYTE* Payload, BYTE size);


#endif