Super, both of you. I didn't buy any hardware yet because I'll need a TDFN breakout and the chips aren't trivially cheap. I'll definitely buy a couple now that I know owfs is supported and hopefully 100% in the future. I of course will help out however I can.
Colin On 2/5/2014 20:14, Paul W Panish wrote: > Paul, > > I've got the MAX31850 development board and can run some tests for you. > I've verified basic temperature measurement operation with the owcapi > and owfs. As I mentioned it doesn't seem to support 12 bit operation > (default for <device>/temperature), but I know temperature9 and > temperature10 worked fine. > > I haven't modified my software to use the device yet, so it's been a > while since I used it. > > I suppose you could do a device probe to see which commands return > values and make a decision on device type from that. I don't think > that's the model you've used up until now, but I'm not that familiar > with the code. > > Let me know what you'd like me to look into. > > Paul Panish > > On Wednesday, February 5, 2014, paul.alfille <paul.alfi...@gmail.com > <mailto:paul.alfi...@gmail.com>> wrote: > > 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 <colin.re...@gmail.com > <javascript:_e(%7B%7D,'cvml','colin.re...@gmail.com');>> > Date: 02/05/2014 1:06 PM (GMT-07:00) > To: "OWFS (One-wire file system) discussion and help" > <owfs-developers@lists.sourceforge.net > <javascript:_e(%7B%7D,'cvml','owfs-developers@lists.sourceforge.net');>> > > 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 <ppan...@panishnet.com > <javascript:_e(%7B%7D,'cvml','ppan...@panishnet.com');>> 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 > <colin.re...@gmail.com > <javascript:_e(%7B%7D,'cvml','colin.re...@gmail.com');>> 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 > > > ------------------------------------------------------------------------------ > WatchGuard Dimension instantly turns raw network data into > actionable > security intelligence. It gives you real-time visual > feedback on key > security issues and trends. 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