Hi,
you are considering 101 nodes(0 to 100) so should have 101 entries in
noise file.
@ for i in range(1, 4)@ here you are assuming only four nodes.
all occurance of range should be same...
@for i in range(0, 100) @ here u r assuming 101 nodes
--poonam
On Thu, Apr 16, 2009 at 9:43 AM, Rémi Villé <ville.r...@gmail.com> wrote:
> So i found the problem (which came from me).
>
> The segfault happened because the meyer-heavy.txt had just 10 line (in the
> tutorial I didn't read "these are the first 10 lines of meyer-heavy.txt" :(
> and I ran event from 0 to 100 steps).
> So I just copied ten time these 10 lines and it works.
> (I thought 't.getNode(i).createNoiseModel()' create automatically a suite
> from the first ten lines...)
>
>
> Rémi
>
> 2009/4/16 Rémi Villé <ville.r...@gmail.com>
>
>> I tried to remove the part concerning meyer-heavy noise (from 'noise =
>> open("meyer-heavy.txt", "r")' to 't.getNode(i).createNoiseModel()'), then i
>> have no segfault but the output is not good (nothing happen after packet
>> sent) :
>>
>> --------------
>> $ python test.py
>>
>> 1 2 -54.0
>> 2 1 -55.0
>> 1 3 -60.0
>> 3 1 -60.0
>> 2 3 -64.0
>> 3 2 -64.0
>> DEBUG (1): RadioCountToLedsC: timer fired, counter is 1.
>> DEBUG (1): RadioCountToLedsC: packet sent.
>> DEBUG (2): RadioCountToLedsC: timer fired, counter is 1.
>> DEBUG (2): RadioCountToLedsC: packet sent.
>> DEBUG (3): RadioCountToLedsC: timer fired, counter is 1.
>> DEBUG (3): RadioCountToLedsC: packet sent.
>> --------------
>>
>> Rémi
>>
>> 2009/4/16 Rémi Villé <ville.r...@gmail.com>
>>
>> Thanks for your help Poonam.
>>>
>>> The test.py I use is copied from the tutorial :
>>> http://docs.tinyos.net/index.php/TOSSIM#Configuring_a_Network
>>>
>>> ----------------------
>>> $ cat test.py
>>>
>>> #! /usr/bin/python
>>> from TOSSIM import *
>>> import sys
>>>
>>> t = Tossim([])
>>> r = t.radio()
>>> f = open("topo.txt", "r")
>>>
>>> lines = f.readlines()
>>> for line in lines:
>>> s = line.split()
>>> if (len(s) > 0):
>>> print " ", s[0], " ", s[1], " ", s[2];
>>> r.add(int(s[0]), int(s[1]), float(s[2]))
>>>
>>> t.addChannel("RadioCountToLedsC", sys.stdout)
>>> t.addChannel("Boot", sys.stdout)
>>>
>>> noise = open("meyer-heavy.txt", "r")
>>> lines = noise.readlines()
>>> for line in lines:
>>> str = line.strip()
>>> if (str != ""):
>>> val = int(str)
>>> for i in range(1, 4):
>>> t.getNode(i).addNoiseTraceReading(val)
>>>
>>> for i in range(1, 4):
>>> print "Creating noise model for ",i;
>>> t.getNode(i).createNoiseModel()
>>>
>>> t.getNode(1).bootAtTime(100001);
>>> t.getNode(2).bootAtTime(800008);
>>> t.getNode(3).bootAtTime(1800009);
>>>
>>> for i in range(0, 100):
>>> t.runNextEvent()
>>> ----------------------
>>>
>>> Rémi
>>>
>>> 2009/4/16 Poonam Hiwal <poonam.hi...@googlemail.com>
>>>
>>> Hi,
>>>> Once i had similar problem, as i remember, that may be due to time
>>>> periods specified in test.py.
>>>>
>>>>
>>>> Can you send the test.py which you are using.
>>>>
>>>> --Poonam
>>>>
>>>>
>>>>
>>>> On Wed, Apr 15, 2009 at 3:40 PM, Rémi Villé <ville.r...@gmail.com>wrote:
>>>>
>>>>> Hi,
>>>>>
>>>>> I am learning TOSSIM thanks to the TOSSIM tutorial and I have a
>>>>> segfault when running test.py (or python_test.py) in the
>>>>> apps/RadioCountToLeds directory.
>>>>>
>>>>> I work on Xubuntu Hardy Heron ($ uname -r => 2.6.24-23-generic)
>>>>> I use TinyOS 2.1
>>>>> $ gcc -v => version gcc 4.2.4 (Ubuntu 4.2.4-1ubuntu3)
>>>>> $ python -V => Python 2.5.2
>>>>>
>>>>> To successfully built the micaz TOSSIM library I had to add :
>>>>> $ export CFLAGS="-I/usr/lib/gcc/i486-linux-gnu/4.2/include
>>>>> -I/usr/include"
>>>>> before
>>>>> $make micaz sim
>>>>>
>>>>> But I have warnings with the g++ command, e.g. (maybe its a clue):
>>>>> /opt/tinyos-2.1.0/tos/lib/tossim/tossim_wrap.cxx: In function
>>>>> «PyObject* _wrap_nesc_app_t_numVariables_set(PyObject*, PyObject*)»:
>>>>> /opt/tinyos-2.1.0/tos/lib/tossim/tossim_wrap.cxx:1999: attention :
>>>>> deprecated conversion from string constant to «char*»
>>>>> /opt/tinyos-2.1.0/tos/lib/tossim/tossim_wrap.cxx:2000: attention :
>>>>> deprecated conversion from string constant to «char*»
>>>>>
>>>>> So this is the trace with : $ gdb /usr/bin/python and (gdb) run test.py
>>>>> (the last lines refer to sim_noise.c)
>>>>> --------------------
>>>>> Starting program: /usr/bin/python test.py
>>>>> (no debugging symbols found)
>>>>> (no debugging symbols found)
>>>>> (no debugging symbols found)
>>>>> [Thread debugging using libthread_db enabled]
>>>>> (no debugging symbols found)
>>>>> (no debugging symbols found)
>>>>> (no debugging symbols found)
>>>>> (no debugging symbols found)
>>>>> [New Thread 0xb7d8d8c0 (LWP 14155)]
>>>>> 1 2 -54.0
>>>>> 2 1 -55.0
>>>>> 1 3 -60.0
>>>>> 3 1 -60.0
>>>>> 2 3 -64.0
>>>>> 3 2 -64.0
>>>>> Creating noise model for 1
>>>>> Creating noise model for 2
>>>>> Creating noise model for 3
>>>>> DEBUG (1): Application booted.
>>>>> DEBUG (2): Application booted.
>>>>> DEBUG (3): Application booted.
>>>>> DEBUG (1): RadioCountToLedsC: timer fired, counter is 1.
>>>>> DEBUG (1): RadioCountToLedsC: packet sent.
>>>>> DEBUG (2): RadioCountToLedsC: timer fired, counter is 1.
>>>>> DEBUG (2): RadioCountToLedsC: packet sent.
>>>>> DEBUG (3): RadioCountToLedsC: timer fired, counter is 1.
>>>>> DEBUG (3): RadioCountToLedsC: packet sent.
>>>>>
>>>>> Program received signal SIGSEGV, Segmentation fault.
>>>>> [Switching to Thread 0xb7d8d8c0 (LWP 14155)]
>>>>> 0xb7c33d76 in sim_noise_gen (node_id=1) at
>>>>> /opt/tinyos-2.1.0/tos/lib/tossim/sim_noise.c:311
>>>>> 311 dbg("HASH", "noise_hash->numElements=%d\n",
>>>>> noise_hash->numElements);
>>>>> --------------------
>>>>>
>>>>> (And $ cat meyer-heavy.txt
>>>>> -39
>>>>> -98
>>>>> -98
>>>>> -98
>>>>> -99
>>>>> -98
>>>>> -94
>>>>> -98
>>>>> -98
>>>>> -98)
>>>>>
>>>>> Thanks for your help,
>>>>>
>>>>> Rémi Villé
>>>>>
>>>>> _______________________________________________
>>>>> Tinyos-help mailing list
>>>>> Tinyos-help@millennium.berkeley.edu
>>>>>
>>>>> https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
>>>>>
>>>>
>>>>
>>>
>>
>
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