flaneth

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/* flaneth - flash and ethernet - dartboard mod
 * version 0.1 date 2008-11-09
 * Copyright (C) 2007-2008 Stefan Schuermans <stefan@schuermans.info>
 * Copyleft: GNU public license V2 - http://www.gnu.org/copyleft/gpl.html
 * a BlinkenArea project - http://www.blinkenarea.org/
 */
#ifndef INC_udp
#define INC_udp
#include "ethernet.h"
#include "ip.h"
// header of an UDP packet
struct UdpHeader
{
  unsigned int SrcPort;
  unsigned int DestPort;
  unsigned int Length;
  unsigned int Chk;
};
// an UDP packet
struct UdpPacket
{
  struct EthernetHeader EthHdr;
  struct IpHeader IpHdr;
  struct UdpHeader UdpHdr;
};
// tick procedure - call every 200ms
extern void UdpTick200( void );
// process a received UDP packet
extern void UdpRecv( unsigned char * pData, unsigned short Length );
// send an UDP packet
// pData must point to a struct UdpPacket with UdpHdr.SrcPort, UdpHdr.DestPort and IpHdr.Dest already initialized
extern void UdpSend( unsigned char * pData, unsigned short Length );
#endif // #ifdef INC_udp
 
 
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