hemm.
is there anyway you can step into the code? via a debugger to see what it
is doing?
you could also take a look at the generated app.c to see what
SeedInit__init is doing
On Thu, Jul 10, 2014 at 2:18 AM, Jisha Mary Jose <jishamary1...@gmail.com>
wrote:
> I did that, i changed the seed. But still same numbers are generated again
> and again at a particular node.
>
> Regards,
>
> Jisha Mary Jose
> ......jMj......
>
>
> On 10 July 2014 13:05, Eric Decker <cire...@gmail.com> wrote:
>
>>
>> asked and answered.
>>
>> The random number generator is pseudo-random.
>>
>> It starts up using a SEED which you need to modify to get different
>> sequences.
>>
>>
>>
>> On Wed, Jul 9, 2014 at 11:52 PM, Jisha Mary Jose <jishamary1...@gmail.com
>> > wrote:
>>
>>> Hi,
>>>
>>> I have to generate random number for a node to use in key generation.
>>> But i always get the same random number. So ichanged seed value using the
>>> current system time as shown below.
>>>
>>> module SecurityC{
>>>
>>> uses interface Boot;
>>> uses interface Random;
>>> uses interface ParameterInit<uint16_t> as SeedInit;
>>> uses interface Timer<TMilli>;
>>> }
>>>
>>> implementation{
>>>
>>> uint32_t rand1;
>>> uint32_t t;
>>>
>>> event void Timer.fired() {
>>>
>>> t=call Timer.getNow();
>>> dbg("Boot", "%s Current time: %d \n", sim_time_string(), t);
>>> }
>>>
>>> event void Boot.booted()
>>> {
>>>
>>> dbg("Boot", "Application booted.\n");
>>> t=call Timer.getNow();
>>> call SeedInit.init(t);
>>>
>>> rand1 = (call Random.rand32()%10)+7;
>>>
>>> dbg("Boot", "%s Random number 1: %d \n", sim_time_string(),
>>> rand1);
>>>
>>> }
>>> }
>>>
>>> But still i am getting the same number always. How to solve this?
>>> Regards,
>>>
>>> Jisha Mary Jose
>>> ......jMj......
>>>
>>> _______________________________________________
>>> Tinyos-help mailing list
>>> Tinyos-help@millennium.berkeley.edu
>>> https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
>>>
>>
>>
>>
>> --
>> Eric B. Decker
>> Senior (over 50 :-) Researcher
>>
>>
>
--
Eric B. Decker
Senior (over 50 :-) Researcher
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