[En-Nut-Discussion] Problem with NutUdpReceiveFrom

[Ralph Mason]

Does the HeapAlloc succeed?

sizeof(buf) will b 2 so you will never receive more than 2 bytes.

Ralph


> -----Original Message-----
> From: en-nut-discussion-admin at egnite.de
> [mailto:en-nut-discussion-admin at egnite.de]On Behalf Of Petr Halas
> Sent: Friday, 11 July 2003 7:51
> To: en-nut-discussion at egnite.de
> Subject: [En-Nut-Discussion] Problem with NutUdpReceiveFrom
> 
> 
> Hi,
> I have this code on Ethernut OS 3.2.1:
> 
> --- snip ----------------------------------------------
> THREAD(UDPsetup, arg)
> {
>      UDPSOCKET    *sock;
>      char         *buf;
>      int          len;
>      u_long       address;
>      u_short      port;
> 
>      NutSleep(2000);
>      sock = NutUdpCreateSocket(9999);
>      buf = NutHeapAlloc(512);
> 
>      for(;;) {
>          if((len = NutUdpReceiveFrom(sock, &address, &port, buf,
> sizeof(buf), 50000)) > 0) {
>              buf[len] = 0;
> 	    fprintf(uart0,"%s\n",buf);
>      	}
> 
>          NutThreadYield();
>      }
> 
>      NutHeapFree(buf);
> }
> 
> --- snip ----------------------------------------------
> 
> When any UDP packet arrive Ethernut OS do reboot.
> Can anybody help me with this problem?
> 
> Thanks Petr
> 
> 
> 
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