[Tinyos-help] RSSI strength

[Sankar Gorthi]

well,

makes sense doesn't it? how can you simulate the strength of the recieved  
signal? i'd imagine it's fairly random.

although, i wouldn't stake anything on it. maybe someone else has a better  
idea.

Sankar.

On Tue, 06 Jun 2006 01:33:41 -0500, Rajat Bansal <rajat at ee.iitb.ac.in>  
wrote:

>
> okay i got it..i think tossim seems to be the problem. I also read it  
> somewhr that there is some problem with printing the strength value on  
> pc.
>
> Thanks,
>
> Rajat
>
> On Tue, 6 Jun 2006, Sankar Gorthi wrote:
>
>> and oh - tinyos-1.1.0
>>
>> Sankar.
>>
>>
>> On Tue, 06 Jun 2006 00:20:08 -0500, Sankar Gorthi  
>> <sankar.b.gorthi at gmail.com> wrote:
>>
>>> well,
>>>  this is my (a colleague's) code:
>>>  Receive.receive(TOS_MsgPtr m)
>>> IntMsg *message=(IntMsg*)buffer.data;
>>> message->val=m->strength;
>>> ....
>>>  doesn't look too different.
>>>  although our experiments were done on the actual motes and we  
>>> broadcast the value in a message packet as you can see.
>>>  Sankar.
>>>  On Tue, 06 Jun 2006 00:11:29 -0500, Rajat Bansal  
>>> <rajat at ee.iitb.ac.in> wrote:
>>>
>>>> dear sanskar,
>>>>  1) which version of tinyos did u use?
>>>>  2) i am attaching my code for recieved packet.
>>>>  event TOS_MsgPtr ReceiveIntMsg.receive(TOS_MsgPtr m) {
>>>>    TOS_MsgPtr ret = m;
>>>>   IntMsgnew*message = (IntMsgnew *)m->data;
>>>>     atomic{receivednode=message->src;}
>>>>   //  call ADC.getData();
>>>>   //  call ADCBattery.getData();
>>>>         updateNeighbors(message->src,message->val,message->seqNo);
>>>>       dbg(DBG_USR1,"strength %d",m->strength); --> this is how i am  
>>>> trying to access...
>>>>      //  printNeighbors();
>>>>      call Leds.redToggle();
>>>>      ret = m;
>>>>  this is a simple code i have written for recieved packet..i dont  
>>>> know wat seems to be the problem. can u make out some mistake?
>>>>  -rajat
>>>>   On Mon, 5 Jun 2006, Sankar Gorthi wrote:
>>>>
>>>>> i was able to get it. what seems to be the problem?
>>>>>  all i did was access the message->strength value.
>>>>>  Sankar.
>>>>>  On Mon, 05 Jun 2006 23:33:52 -0500, Rajat Bansal  
>>>>> <rajat at ee.iitb.ac.in> wrote:
>>>>>
>>>>>>  I am trying to print RSSI strength in the recieved broadcast  
>>>>>> packet. First i was trying to access in tinyos-1.0 but i came to  
>>>>>> know that it is not possible in this version. I upload my tinyos to  
>>>>>> 1.15 but i am getting the value as zero only. Has ne one else came  
>>>>>> thru similar problem?
>>>>>>  -rajat
>>>>>>  _______________________________________________
>>>>>> Tinyos-help mailing list
>>>>>> Tinyos-help at Millennium.Berkeley.EDU
>>>>>> https://mail.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
>>>>>
>>>>
>>>
>>
>>
>>
>>
>



-- 
No opera plot can be sensible, for people do not sing when they are  
feeling sensible. - W. H. Auden