On Sun, May 2, 2010 at 5:22 PM, Marc MERLIN <marc_n...@merlins.org> wrote: > In powered mode, an average of 10 uncached reads took 0.95s for 12 bits > In parasite, it took 1.35 sec for 12 bits.
OWFS does some polling of the device and sees if is ready for reading. I suspect that is the difference in timing. > > I expected the difference to be bigger but I guess not. > > But is owfs able to know which devices are powered and send requests in > parrallel to them and get the answer 1 sec later of all of them at once, > while doing parasite ones serially later, or does it just treat them all the > same? > > And just to confirm, it owfs does know if an individual device is > powered, does it not? > Only by asking the device. If just having a floating VDD tricks the chip into thinking it's powered, then OWFS doesn't know any different. Nor do we keep (useful) information from the user. ------------------------------------------------------------------------------ _______________________________________________ Owfs-developers mailing list Owfs-developers@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/owfs-developers
