Well, to read about it you can look at the documentation, test it out, or
look at the code.
The documentation is organized by the specific 1-wire slave. So the
hobbyboards humidity sensor used to be DS2438-based:
http://owfs.org/index.php?page=ds2438
The newer version are microprocessor based:
http://owfs.org/index.php?page=eeef
All that being said, everything should be fairly self-documenting.
So for one of the Hobbyboards devices, I'd just try it out, see the
directory structure that gets shown, and match it to the Datasheet.
You were asking about how to send specific byte sequences to 1-wire device.
OWFS works at a different level of abstraction -- the functions (like a
temperature reading or limit setting) are shown, but the specific byte
codes are handled behind the scenes.
This is entirely open-source software, so I'll be happy to show you exactly
where in the code something is done,
Did I answer your question?
Paul
On Wed, Feb 4, 2015 at 5:00 PM, Eric Baumann <eric.mannb...@gmail.com>
wrote:
> Hi
>
> Thanks a lot for your replies :-)
>
> @ Paul Alfille:
> No, I haven't.
>
> It's just that I want to READ about it first.
> My question is, where to do so?
>
> Is there a documentation?
>
> @ Thorsten:
>
> Thanks a lot for your help.
>
> In your example you used:
>
> cat /mnt/1wire/26.xyzxyz000000/
> HIH4000/humidity
>
> That's great. Do I understand correctly?
> Somebody has already written code for owfs
> to access the humidity data from HB devices?
> And your code is the command?
>
> If so, that great!
> Could you lead me to that code?
> Because I would like to study it further.
>
> @ Paul Alfille:
> I think I didn't respond correctly right?
> How do I do respond appropriately?
>
> @ all:
> My 1 wire experience so far:
> Logging temperature from DS1820 with raspberry pi.
> Using the commands on boot:
>
> sudo modprobe w1-gpio pullup=1
> sudo modprobe w1-therm
>
> and then:
>
> cd /sys/bus/w1/devices
> cd 10-000801b5*
> cat w1_slave
>
> :-) fell in love with it, now want to expand knowledge with OWFS :-)
>
> Yours faithfully,
>
> Eric
>
>
>
>
> I am glad you guys help me :-)
>
> Greetings,
>
> Eric
>
>
>
>
>
>
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