|
Rockbox mail archiveSubject: Re: firmware powermgmt.h,1.1,1.2Re: firmware powermgmt.h,1.1,1.2
From: George Styles <george_at_ripnet.co.uk>
Date: Tue, 6 Aug 2002 14:45:33 +0100 Thanks for that answer :) g ----- Original Message ----- From: "Heikki Hannikainen" <hessu_at_hes.iki.fi> To: <rockbox_at_cool.haxx.se> Sent: Tuesday, August 06, 2002 1:59 PM Subject: Re: firmware powermgmt.h,1.1,1.2 > On Tue, 6 Aug 2002, George Styles wrote: > > > Can some kind person explain how the charging mechanism works on the JB > > please? the way I understand it is that it always runs off the battaries, > > and when it is charging, it charges the battaries at the same time, but not > > as fast as using it discharges it. is this correct? > > This is correct. > > > what is meant by charging in discharge and charge? > > When the 'Deep discharge' mode is enabled in the settings menu, the > charger will start only when the battery is under 10% capacity > (CHARGE_RESTART_LO). When the 'Deep discharge' mode is disabled, > the charger will start when the battery is under 90% > capacity (CHARGE_RESTART_HI). > > The deep discharge mode is intended for users who keep the device > connected to a charger all the time (fixed-location mains-powered usage) > and want to reduce possible memory effects (which aren't supposed to be > too bad on NiMH batteries, but some manufacturers do recommend against > trickle charging NiMH cells). > > With deep discharge mode disabled the battery is guaranteed to be at > least 90% charged after an overnight charge. > > > finally, the new 6 hour max charge time, does that get reset if you pull the > > plug, and re-insert it? > > Yes. This is just a backup timer to stop after 6 hours of continuous > charging in case the 'battery full' detection fails for some reason. The > timer should not fire in any normal case. > > One additional note, the charger code currently only runs once per > minute, so it will not notice changes in charger status immediately. > > - Hessu > > > Received on 2002-08-06 Page template was last modified "Tue Sep 7 00:00:02 2021" The Rockbox Crew -- Privacy Policy |