[Elphel-support] testbench 353

[Marc Reichenbach]

sure.

On Fri, Oct 28, 2011 at 10:07 AM, Sebastian Pichelhofer
<sebastian.pichelhofer at gmail.com> wrote:
> This sounds like it can be useful to many others as well.
>
> Would you mind writing about your findings on the Elphel wiki?
>
> Regards Sebastian
>
> On Fri, Oct 28, 2011 at 10:02, Marc Reichenbach
> <marc.reichenbach at informatik.uni-erlangen.de> wrote:
>> Hi,
>>
>> thank you for your answer. I tried it with icarus and it works but
>> takes a very long time (~15 min) and it is, in my opion, not very
>> debug-friendly.
>>
>> Long story short, if anyone is interested: The different behaivoral in
>> both simulators (modelsim and icarus) comes from the different way,
>> how registers are initialized. I found no option in modelsim to set a
>> default initialize berhaivor - so I tried other simulators. In
>> Synopsys VCS there exist such a option and it works fine. I got a
>> simulation speedup of approx. 10 - 15 times so the simulation now
>> takes only ~ 1 minute. If anybody wants to now all details (for
>> example how to fix some files to work with VCS) don't hesitate to
>> contact me.
>>
>> Thanks again for the camera,
>>
>> Marc
>>
>> On Tue, Oct 25, 2011 at 8:29 AM, Andrey Filippov
>> <support-list at support.elphel.com> wrote:
>>> Marc,
>>>
>>> Thank you for the nice words about our cameras. We use Icarus Verilog plus
>>> GTK Wave ourselves  so I would recommend you to try the x353_sim.sh script
>>> that runs them, I do not have experience with modelsim myself.
>>>
>>> Currently the sensor data is provided by the sensor.dat text file, so the
>>> zero output from the sensor is likely caused by either this file missing or
>>> some difference in syntax  between Modelsim and Icarus.
>>>
>>> Andrey
>>>
>>>
>>> On Sat, Oct 22, 2011 at 4:25 AM, Marc Reichenbach
>>> <marc.reichenbach at informatik.uni-erlangen.de> wrote:
>>>>
>>>> Hi,
>>>>
>>>> after long time, I have some time to work with this great camera. But
>>>> I have the following problem:
>>>>
>>>> I want to simulate the x353 with modelsim and this works so far - but
>>>> no data is send from the sensor (in the simulation). I captured the
>>>> Output of the sensor and this was always 0. Is this the normal
>>>> behaivor? What the delivered testbench are should doing? It is not
>>>> documented :( Are there are a testbench which will stimulate the
>>>> sensor to send the "ramp" oder "random" image? The SPI Input to the
>>>> sensor changes a littel with some Weak-Hi Weak-Low - but no corect
>>>> data, I think.
>>>>
>>>> Thanks a lot,
>>>>
>>>> Marc Reichenbach
>>>>
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>>>
>>>
>>
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>