[Owfs-developers] Problem with 1-Wire USB Adapter

2013-09-25 Thread Klaus Weglehner
Hello all, I was working on an application using the owfs c api. The target platform is a raspberry pi with a DS9490 USB adapter connected. There are about 15 DS18B20 mostly in a star topology. At first everything seems to work fine. Then i tried to force cache updates while my application is

Re: [Owfs-developers] Problem with 1-Wire USB Adapter

2013-09-25 Thread Jan Kandziora
Am 25.09.2013 22:10, schrieb Klaus Weglehner: There are about 15 DS18B20 mostly in a star topology. This is near worst-case. You could make it only worse by having some of these bus-powered. There is no way to have this working reliable. If you can't help building a star because the sensors

Re: [Owfs-developers] Problem with 1-Wire USB Adapter

2013-09-25 Thread Colin Reese
Hello, This is a very interesting topic. I've used ds9490s forever in various topologies wired individually with RJ and never had an issue with finding devices, using maxim's drivers on windows and owfs on Linux. It definitely gets slower as the number of devices increases, but no problems