Thank you. It started working.
I really appreciate your reply.

best regards,
Faisal



On Wed, Feb 19, 2014 at 5:06 AM, Xiaohui Liu <[email protected]> wrote:

> Hi Faisal,
>
> What platform are you using? Have you disabled address recognition, which
> is the default in cc2420 stack?
> One simply way is
> CFLAGS+=-DCC2420_NO_ADDRESS_RECOGNITION
>
> Hope this helps.
>
> --
> -Xiaohui Liu
> TelosB
> TinyOS 2.1.2
> www.cs.wayne.edu/xliu/
>
>
>
> On Tue, Feb 4, 2014 at 9:07 AM, Faisal Aslam <[email protected]>wrote:
>
>> Thanks for your reply Djemma. Any help will be great.
>> I have tried on Telosb on a Testbed as well as also in Avroa simulator. I
>> can receive packets but no snooping. I have tried different network
>> typologies too. Here is a simple code that I have used:
>>
>>
>> ------------------------------------------------------------------------------------------
>>  configuration TestSnoopAppC {}
>> implementation {
>>   components MainC, TestSnoopC as App;
>>   components new AMSenderC(6);
>>   components new AMReceiverC(6);
>>   components new AMSnooperC(6) as Snoop;
>>   components new TimerMilliC();
>>   components PrintfC, SerialStartC;
>>
>>   components ActiveMessageC;
>>
>>   App.Boot -> MainC.Boot;
>>   App.Snoop -> Snoop;
>>   App.Receive -> AMReceiverC;
>>   App.AMSend -> AMSenderC;
>>   App.AMControl -> ActiveMessageC;
>>   App.MilliTimer -> TimerMilliC;
>>   App.Packet -> AMSenderC;
>> }
>>
>> -----------------------------------------------------------------------------------------
>> #include "Timer.h"
>> #include "printf.h"
>>  module TestSnoopC @safe() {
>>   uses {
>>     interface Boot;
>>     interface Receive;
>>     interface Receive as Snoop;
>>     interface AMSend;
>>     interface Timer<TMilli> as MilliTimer;
>>     interface SplitControl as AMControl;
>>     interface Packet;
>>   }
>> }
>> implementation {
>>
>>   typedef nx_struct snoop_data {
>>     nx_uint16_t counter;
>>   }  snoop_t;
>>
>>   message_t packet;
>>
>>   bool locked;
>>   uint16_t counter = 0;
>>
>>   event void Boot.booted() {
>>       call AMControl.start();
>>   }
>>
>>   event void AMControl.startDone(error_t err) {
>>     if (err == SUCCESS) {
>>       call MilliTimer.startPeriodic(1000);
>>     }
>>     else {
>>       call AMControl.start();
>>     }
>>   }
>>
>>   event void AMControl.stopDone(error_t err) {
>>     // do nothing
>>   }
>>
>>   event void MilliTimer.fired() {
>>     uint8_t addr = 5;
>>     counter++;
>>     if (locked) {
>>        return;
>>     }
>>     else {
>>       snoop_t* rcm = (snoop_t*)call Packet.getPayload(&packet,
>> sizeof(snoop_t));
>>       if (rcm == NULL) {
>> return;
>>       }
>>       rcm->counter = counter;
>>       if (call AMSend.send(addr, &packet, sizeof(snoop_t)) == SUCCESS) {
>> locked = TRUE;
>>       }
>>     }
>>   }
>>
>>   event message_t* Snoop.receive(message_t* bufPtr,
>>    void* payload, uint8_t len) {
>>
>>       printf("\n%u Snoop is called. YES!", TOS_NODE_ID);
>>       printfflush();
>>       return bufPtr;
>>   }
>>
>>   event message_t* Receive.receive(message_t* bufPtr,
>>    void* payload, uint8_t len) {
>>     if (len != sizeof(snoop_t)) {return bufPtr;}
>>     else {
>>       snoop_t* rcm = (snoop_t*)payload;
>>       printf("\n%u Receive %u", TOS_NODE_ID, rcm->counter);
>>       printfflush();
>>       return bufPtr;
>>     }
>>   }
>>
>>   event void AMSend.sendDone(message_t* bufPtr, error_t error) {
>>     if (&packet == bufPtr) {
>>       locked = FALSE;
>>     }
>>   }
>>
>> }
>>
>>
>> On Tue, Feb 4, 2014 at 8:15 AM, Djemaa Adel <[email protected]> wrote:
>>
>>> hello,
>>> give us please more specifications of your question.
>>> are you using simulation envirement with TOSSIM, or real nodes?
>>> good luck
>>>
>>>
>>> 2014-02-02 Faisal Aslam <[email protected]>:
>>>
>>>>  Hi,
>>>>
>>>> I want to snoop the data packets. The send and unicast receive works
>>>> fine but no packets are received at the snooping nodes.
>>>>
>>>> Any ideas what I may have been doing wrong?
>>>>
>>>> best regards,
>>>> Faisal
>>>>
>>>>
>>>> _______________________________________________
>>>> Tinyos-help mailing list
>>>> [email protected]
>>>> https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
>>>>
>>>
>>>
>>
>> _______________________________________________
>> Tinyos-help mailing list
>> [email protected]
>> https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
>>
>
>
>
>
>
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