i think it's a ow network time (kbits/seg) or sensor value time to acquire
with stabilized value, try with cached values and send us the time numbers
2010/10/22 Joshua J. Kugler <jos...@azariah.com>
> A while back I asked about the Python OW module, and if it was thread
> safe. There was never a definitive answer. So, now my question is,
> after some testing: is it even thread capable?
>
> I have a group of 36 sensors. I create sensor objects for all of them,
> and then iterate through them and collect a reading. This takes
> (about) 42 seconds. I then created a list of getter functions that
> return the sensors' readings. I used the futures module [0] to spin all
> these functions off into their own threads. Futures does this, then
> collects the results.
>
> This still took about 42 seconds.
>
> Reading through the Python module, there doesn't seem to be any kind of
> lock or semaphore preventing simultaneous reads. Is there such a thing
> at the libow C level?
>
> This is using a USB connection, by the way.
>
> I'd really like some way to speed up readings. Caching *might* be one
> way, but I'll have to see if the delay in updates is acceptable.
>
> [0] http://code.google.com/p/pythonfutures/
>
> j
>
> --
> Joshua J. Kugler - Fairbanks, Alaska
> Azariah Enterprises - Programming and Website Design
> jos...@azariah.com - Jabber: pedah...@gmail.com
> PGP Key: http://pgp.mit.edu/ ID 0x73B13B6A
>
>
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--
Roberto Spadim
Spadim Technology / SPAEmpresarial
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Nokia and AT&T present the 2010 Calling All Innovators-North America contest
Create new apps & games for the Nokia N8 for consumers in U.S. and Canada
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Develop with Nokia Qt SDK, Web Runtime, or Java and Publish to Ovi Store
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