Re: [Tinyos-help] Need clarification about radio communication

2010-06-25 Thread Michael Schippling
Your understanding seems to be correct. There's no need to redefine DATA_LENGTH because your total message payload is smaller than the default value. Are you having troubles implementing? If so post your code and the actual errors. MS Sam Azzaro wrote: > Hi all, > i want to do communicate two mot

[Tinyos-help] Need clarification about radio communication

2010-06-25 Thread Sam Azzaro
Hi all, i want to do communicate two motes with this way: the first one has to set up a key, encrypt a plaintext of 16 bytes. then send it to the second mote which receives the ciphertext, decrypts it, then prints it. i follow the lesson 3 of the tutorial, so, when the millitimer fires, the firs

Re: [Tinyos-help] need clarification about sim_time on Tossim

2010-06-22 Thread LIU Yu
*sim_time()* returns the number of (virtual) ticks spent since the beginning of simulation. Its value is only increased upon various *events*, and the incremented value is determined by respective models (i.e. tos/lib/tossim/*Model*). For example, the increment of *sim_time* caused by packet trans

[Tinyos-help] need clarification about sim_time on Tossim

2010-06-22 Thread Sam Azzaro
Hi all, i want to determinate the sim_time of an appliaction on Tossim but i always get the same one wich is the time when starting boot! administrat...@v8fmk15ebx5la4b /opt/tinyos-2.x-contrib/crypto/apps/My_app$ pythonPython 2.5.1 (r251:54863, May 18 2007, 16:56:43)[GCC 3.4.4 (cygming speci

[Tinyos-help] need clarification

2010-06-02 Thread Omar Cheikhrouhou (yahoo)
When simulating my program under tossim I note the following fact: The AMsend () return success however sometimes AMsend. SendDone() event is not triggered. And sometimes sendone () event triggered but receiver does not receive the message (the receive event is not triggered) Can you explain