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Subject: Re: FM Recorder has hardware battery charging
From: Fred (
Date: 2003-02-09

Does this patch correct all the FM Recorder powering issues ? What is it
really doing for the end-user ?


"Mike Holden" <> a écrit dans le message de
> I promised Linus a birthday present earlier, and here it is!
> My testing today has shown that the FM Recorder has hardware battery
> charging, so that Rockbox can forget about the charging algorithm.
> I first of all tested with deep-discharge on, and that seemed to show
> this, so I built a test firmware with HAVE_CHARGE_CTRL undefined, and this
> confirmed it over several tests.
> I attach a patch file (nopower.diff) which updates 2 copies of
> config-fmrecorder.h (local and export copies), and also makes minor
> changes to 2 other files which had linking errors because some parts
> called functions which were no longer defined. I have tested that these
> modifications compile and link for player and recorder, but due to lack of
> hardware I cannot test these!
> There will be some minor modifications to the debug/display code so that
> the correct icons and statuses get shown when the charger in plugged and
> unplugged, but these are minor cosmetics which I can look at over the next
> day or two.
> Hopefully a few other FM owners can download and test this, and report
> back any problems. A compiled firmware can be downloaded from the link in
> my sig.
> The patch and firmware are both built from CVS code at about 14:50 earlier
> today.
> The adc.c patch I posted a few days ago is still required to smooth out
> the voltage displays, until someone comes up with a better method. This is
> not included in the patch, but is included in the firmware I uploaded.
> I'll send this now, so that it gets to the list on Linus' birthday - Happy
> Birthday again!
> Mike Holden
> --
> Mike Holden's Rockbox page:

Page was last modified "Jan 10 2012" The Rockbox Crew