Thank You Jan, I'll try to switch my sensors from parasitic power to regular power. How to enable simultaneous conversion for all chips ? this way ? echo 1 > /mnt/1wire/simultaneous/temperature ?
2014-10-29 21:35 GMT+01:00 Jan Kandziora <j...@gmx.de>: > Am 28.10.2014 um 15:06 schrieb Coudy: > > > > If temperature sensor is powered, then reading is faster compared to > > parasitic power ? > > > No, but it's the only way you can do a simultaneous conversion for all > chips, and this 19 times faster if you have 19 chips. > > You cannot do a simultaneous conversion on parasitic power, because all > the chips on the bus start conversion at the same time and draw more > power than parasitic powering can supply. Owfs is aware of that and > refuse to do a simulatenous conversion if one or more temperature > sensors on the bus are parasitically powered (they have a flag > indicating that.) > > > Oh, and please use a recent version of owfs. IIRC some bugs with the > simultaneous temperature conversion had been fixed lately. > > > Kind regards > > Jan > > > ------------------------------------------------------------------------------ > _______________________________________________ > Owfs-developers mailing list > Owfs-developers@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/owfs-developers >
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