Pehr Hovey / Mbed 2 deprecated UDPtest

Some quick code to use UDP-only (no TCP) with mBed. Echos received packets and sends packets when a button is pressed

Dependencies:   mbed

Core/lwIP/include/lwip/raw.h@0:a548a085de55, 2010-03-14 (annotated)

Committer:
pehrhovey
Date:
Sun Mar 14 00:54:12 2010 +0000
Revision:
0:a548a085de55

        

        
Who changed what in which revision?

        

            
                
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/*





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 * Copyright (c) 2001-2004 Swedish Institute of Computer Science.





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 * All rights reserved.





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 *





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 * Redistribution and use in source and binary forms, with or without modification,





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 * are permitted provided that the following conditions are met:





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 *





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 * 1. Redistributions of source code must retain the above copyright notice,





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 *    this list of conditions and the following disclaimer.





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 * 2. Redistributions in binary form must reproduce the above copyright notice,





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 *    this list of conditions and the following disclaimer in the documentation





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 *    and/or other materials provided with the distribution.





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 * 3. The name of the author may not be used to endorse or promote products





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 *    derived from this software without specific prior written permission.





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 *





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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED





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 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF





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 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT





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 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,





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 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT





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 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS





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 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN





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 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING





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 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY





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 * OF SUCH DAMAGE.





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 *





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 * This file is part of the lwIP TCP/IP stack.





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 *





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 * Author: Adam Dunkels <adam@sics.se>





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 *





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 */





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#ifndef __LWIP_RAW_H__





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#define __LWIP_RAW_H__





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#include "lwip/opt.h"





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#if LWIP_RAW /* don't build if not configured for use in lwipopts.h */





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#include "lwip/pbuf.h"





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#include "lwip/inet.h"





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#include "lwip/ip.h"





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#include "lwip/ip_addr.h"





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#ifdef __cplusplus





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extern "C" {





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#endif





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struct raw_pcb {





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/* Common members of all PCB types */





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  IP_PCB;





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  struct raw_pcb *next;





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  u8_t protocol;





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  /* receive callback function





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   * @param arg user supplied argument (raw_pcb.recv_arg)





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   * @param pcb the raw_pcb which received data





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   * @param p the packet buffer that was received





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   * @param addr the remote IP address from which the packet was received





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   * @return 1 if the packet was 'eaten' (aka. deleted),





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   *         0 if the packet lives on





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   * If returning 1, the callback is responsible for freeing the pbuf





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   * if it's not used any more.





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   */





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  u8_t (* recv)(void *arg, struct raw_pcb *pcb, struct pbuf *p,





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    struct ip_addr *addr);





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  /* user-supplied argument for the recv callback */





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  void *recv_arg;





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};





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/* The following functions is the application layer interface to the





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   RAW code. */





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struct raw_pcb * raw_new        (u8_t proto);





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void             raw_remove     (struct raw_pcb *pcb);





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err_t            raw_bind       (struct raw_pcb *pcb, struct ip_addr *ipaddr);





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err_t            raw_connect    (struct raw_pcb *pcb, struct ip_addr *ipaddr);





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void             raw_recv       (struct raw_pcb *pcb,





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                                 u8_t (* recv)(void *arg, struct raw_pcb *pcb,





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                                              struct pbuf *p,





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                                              struct ip_addr *addr),





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                                 void *recv_arg);





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err_t            raw_sendto     (struct raw_pcb *pcb, struct pbuf *p, struct ip_addr *ipaddr);





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err_t            raw_send       (struct raw_pcb *pcb, struct pbuf *p);





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/* The following functions are the lower layer interface to RAW. */





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u8_t             raw_input      (struct pbuf *p, struct netif *inp);





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#define raw_init() /* Compatibility define, not init needed. */





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#ifdef __cplusplus





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}





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#endif





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#endif /* LWIP_RAW */





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#endif /* __LWIP_RAW_H__ */