We don't really suppoert the max31850 yet. It looks great with thermocouple
support.
Part if the dificult is distinguishing it from the max31825. Do you have a 850
running to try some tests for me?
Sent via the Samsung Galaxy S™ III, an AT&T 4G LTE smartphone
-------- Original message --------
From: Colin Reese <[email protected]>
Date: 02/05/2014 1:06 PM (GMT-07:00)
To: "OWFS (One-wire file system) discussion and help"
<[email protected]>
Subject: Re: [Owfs-developers] Planned Device Support
Hmm. How would the resolution issue be resolved?
On Sun, Feb 2, 2014 at 4:48 AM, Paul W Panish <[email protected]> wrote:
The MAX31850 is already supported in the 3B family of devices. I rigged up a
test jig with the development board available from Maxim and it worked fine,
however it doesn't support the full (default) 12 bit resolution of other
temperature devices, and as a result reads will fail unless a lower resolution
is specified. I don't remember off hand how high you can go in resolution
value.
Another disadvantage is that you can't distinguish the device type from the
family code ( or anything else as far as I know), so you can't programmatically
tell the difference between the 3B devices which have on-board EPROM, and those
that don't. For my purposes this doesn't matter very much, but it is
unfortunate that more identification capability isn't built into these devices.
Paul Panish
On Saturday, February 1, 2014, Colin Reese <[email protected]> wrote:
Paul,
Is there a place besides here (http://owfs.org/index.php?page=to-do) for
discussion of planned device support?
I'd like to incorporate some MAX31850 thermocouple adapters, but I don't
see owfs reference to them anywhere except this closed ticket:
http://sourceforge.net/p/bctl/tickets/2/
I see that the DS2760 is supported, but can't seem to locate any.
Suggestions?
Thanks,
Colin
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