[g1-hackers] Apps (WAS: A/C vs USB Charging)
Bob K Mertz
lists at bibleboy.org
Thu Feb 19 01:49:29 UTC 2009
Luke wrote:
> I believe I read the documentation for power management somewhere in
> here. http://android.git.kernel.org/?p=platform/vendor/htc/dream.git Also,
> everyone stay on the lookout for my android apps that I have been making
> in my spare time. The first one I am making should be released in about
> two weeks, it uses the popular "Orb" software to stream video and other
> media to your G1, Next thing I want to try is a PDF reader that uses
> Google's PDF to HTML conversion engine, but if someone has a better idea
> for something more practical, let me know.
>
One thing I *REALLY* need is a way to play WAV (or .gsm) files recorded
from an Asterisk server. I have my voicemail controlled by an Asterisk
server and have my voicemails emailed to me. My BlackBerry could always
play them but my G1 says it doesn't support the format.
> On Wed, Feb 18, 2009 at 7:30 PM, Bob K Mertz <lists at bibleboy.org
> <mailto:lists at bibleboy.org>> wrote:
>
> Luke wrote:
> > Actually, the way the G1 identifies power is very simple. Most
> devices
> > powered by a rechargeable battery have a voltage monitor. This
> voltage
> > monitor is not a separate G1 subsystem (as in most phones), but an
> > actual software driven part of Android. This was put in place for
> > accessory makers. Somewhere in Android's documentation, there is
> > information on utilization of this feature. I will look for it
> tonight
> > and send my response.
>
> That would be great. I'd really like to have it draw the max power when
> plugged into my car... it's frustrating that in some cases the phone
> will use more power than its drawing -- especially when I know what it's
> plugged into can supply more.
>
> > On Wed, Feb 18, 2009 at 7:18 PM, Bob K Mertz <lists at bibleboy.org
> <mailto:lists at bibleboy.org>
> > <mailto:lists at bibleboy.org <mailto:lists at bibleboy.org>>> wrote:
> >
> > Todd Lesher wrote:
> > > The USB specification says PC connectors only need to supply
> > 500mA (for
> > > a device that identifies itself as high power) or 100mA (low
> > power). You
> > > could get one of the split cords: mini-USB to two PC
> connectors.
> > >
> > I don't think that it's an issue of the port not supplying
> enough power
> > as it is the G1 reduces it's draw when its connected via USB.
> Even when
> > using my old BlackBerry mini-USB charger plugged into the A/C
> outlet the
> > G1 still signals USB charging. One way to verify this is if
> you use
> > Power Manager and configure a profile for both A/C and USB.
> I can
> > understand the reasoning for the G1 backing off to, say 450mA
> if it
> > detects it's plugged into a USB port but the problem is that
> it detects
> > USB ports even when it's not plugged into a USB port. I'm
> thinking
> > maybe the OEM charger has 2 of the pins shorted or something
> to signal
> > that it's on it's own A/C charger?
> >
> >
> >
> > > Pardon the top post, I'm on the G1.
> > >
> > > On Feb 18, 2009 5:05 PM, "Bob K Mertz"
> <online at bibleboy.org <mailto:online at bibleboy.org>
> > <mailto:online at bibleboy.org <mailto:online at bibleboy.org>>
> > > <mailto:online at bibleboy.org
> <mailto:online at bibleboy.org> <mailto:online at bibleboy.org
> <mailto:online at bibleboy.org>>>> wrote:
> > >
> > > Does anyone know what the A/C adaptor signals differently
> > than just a
> > > regular USB cable? I think it's a really smart idea
> that the
> > G1 goes
> > > easier on a computer if it's being charged by USB but the
> > problem I have
> > > is that I use USB adaptors everywhere and all of these
> signal
> > the phone
> > > that USB is connected when, in reality, it's not
> connected to a
> > > computer. I always wondered about this but then last
> night
> > it became a
> > > huge frustrating. I was using bluetooth, GPS, and
> wifi in my
> > car and I
> > > had it connected to the USB charger. The battery was
> pretty
> > low to
> > > begin with but even with the phone being charging, the
> power
> > was still a
> > > negative drain. With the phone completely dead I couldn't
> > even get it
> > > to boot back up because the USB charging wasn't
> pulling power
> > fast
> > > enough to get through the boot up sequence.
> > >
> > > Anyway, I'd really like to find a way to force my phone to
> > draw the
> > > higher current when plugged into USB. Anyone have any
> ideas?
> > >
> > >
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