Re: [Playerstage-users] Wifi models with stage

[Serge S. <ser...@gm...>]

Ok, i put a patch in the tracker here :

http://sourceforge.net/tracker/?func=detail&aid=2782691&group_id=42445&atid=433164

On Wed, Mar 25, 2009 at 2:44 AM, Toby Collett
<tco...@pl...> wrote:
> The problem here is in p_wifi.cc in stage. This only copies the mac address
> information into the wifi structure
>
>   pdata.links_count = sdata->neighbours->len;
>   pdata.links = new player_wifi_link_t[pdata.links_count];
>   assert(pdata.links);
>   memset(pdata.links,0,sizeof(player_wifi_link_t)*pdata.links_count);
>   for(guint i=0;i<sdata->neighbours->len;i++)
>   {
>     stg_wifi_sample_t samp = g_array_index(sdata->neighbours,
>                                            stg_wifi_sample_t, i);
>     memcpy(pdata.links[i].mac,samp.mac,sizeof(pdata.links[i].mac));
>     pdata.links[i].mac_count = sizeof(pdata.links[i].mac);
>     //printf("%f\n", samp.db);
>   }
>
>   // Publish it
>   this->driver->Publish(this->addr,
>
> You would need to update this method in order to see the rest of the data on
> the client side. If you do fix this please submit a patch to the tracker.
>
> Toby
>
> 2009/3/17 Serge Stinckwich <ser...@gm...>
>>
>> Hi all,
>> i'm still trying to investigate my problem with Wifi models in stage ...
>> I'm using Stage 2.1.1 & Player 2.1.2 under Mac OS X. I'm using the
>> "simple" wifi model under stage.
>> When i print the various values of links in model_wifi.cc file,
>> everything is ok. For example, i got the default freq 2450 value.
>> But on the other side, in my player client program, all the value are
>> zeroed except the mac adress.
>> Something happens during the transmission of wifi informations between
>> the simulation engine and the client ...
>>
>> The following program always print 0 for signal quality and freq :
>>
>> #include <iostream>
>> #include <libplayerc++/playerc++.h>
>>
>> int
>> main(int argc, char *argv[])
>> {
>>  using namespace PlayerCc;
>>
>>  PlayerClient    robot("localhost");
>>  Position2dProxy pp(&robot,0);
>>  WiFiProxy       wp(&robot,0);
>>
>>  for (int j=0; j<1000; j++) {
>>    robot.Read();
>>    std::cout << wp << std::endl;
>>    for (int i=0; i<wp.GetLinkCount(); i++) {
>>      std::cout << "Signal Quality = " << wp.GetLinkQuality(i) <<std::endl;
>>      std::cout << "Signal Freq = " << wp.GetLinkFreq(i) << std::endl;
>>      std::cout << "IP = " << wp.GetLinkIP(i) << std::endl;
>>    }
>>  }
>> }
>>
>> Best regards,
>> --
>> Serge Stinckwich
>> UMI UMMISCO 209 (IRD/UPMC), Hanoi, Vietnam
>> Smalltalkers do: [:it | All with: Class, (And love: it)]
>> http://doesnotunderstand.org/
>>
>>
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>
>
>
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> easily build your RIAs with Flex Builder, the Eclipse(TM)based development
> software that enables intelligent coding and step-through debugging.
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>



-- 
Serge Stinckwich
UMI UMMISCO 209 (IRD/UPMC), Hanoi, Vietnam
Smalltalkers do: [:it | All with: Class, (And love: it)]
http://doesnotunderstand.org/