Ok, I'll concentrate there. Paul
-----Original Message----- From: [EMAIL PROTECTED] on behalf of Darryl VanDorp Sent: Mon 4/3/2006 12:10 AM To: owfs-developers@lists.sourceforge.net Subject: Re: [Owfs-developers] ds18s20 reading I just re-read your email. Just to be clear I don't have a problem with the sensors being discovered, they certainly are being discovered. They are just not giving a temperature reading (that might be what you meant). -Darryl On 4/2/06, Paul Alfille <[EMAIL PROTECTED]> wrote: > > Ok, I've spent the last week chaing this down. > > 1. We conform to the DS2409 datasheet. > 2. We use the same algorithm as digitemp (though digitemp only supports > one level of branching). > 3. We use the same byte sequence as digitemp. > > So what gives? > > I noticed a few things > 1. I wasn't turning off branches properly -- I'll fix > 2. digitemp doesn't really work either. > > Yup. I have a 100 sensors network that is fully discovered in the root > branch of either digitemp or owfs. Only a few sensors are seen in a main or > aux branch. > > Conclusion -- the 1-wire hubs are poorly suited for multiple sensors. > > Next fix attempt -- I'll attempt multiple "discoveries" when working on a > branch to perhaps get over the problem. Not efficient, but working is > important. > > Paul > > > On 3/30/06, Darryl <[EMAIL PROTECTED]> wrote: > > > > I just tried powering the ds18s20 and it made no difference still reads > > 85. Don't know if that narrows down any variables..... > > > > > -- http://randomthoughts.vandorp.ca
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