GTA02 Battery Capacity (Was: Re: More about the GTA02)
michael at openmoko.org
Thu Feb 28 18:10:04 CET 2008
I'm glad you posted this again, I've been meaning to tell you I'll be
happy to host your script on downloads.openmoko.org. Shall I just copy
the script from your host?
Bobby Martin wrote:
> In case some of you aren't on the device owners list I posted this to
> before, I created a script that will detect when you're plugged into a
> charger that's causing a slow (100mA) charge and will ask if you want
> to do fast charge instead.
> Examples of such chargers include a car charger, the usb port on a
> Windows computer without the Neo inf installed, etc.
> I created a script to monitor for slow charge and pop up a gui asking
> if you want to switch to fast charge mode. The default instructions
> install the script and an init.d script to start & stop it, as well as
> links to make the daemon start automatically.
> The page telling how to install is
>>From the page:
> What it does
> Your neo will detect when it is charging slowly and pop up a gui to
> ask if you want to switch to fast charge mode. It will take a few
> seconds to detect that you are charging slowly.
> checkFastCharge will remember if you select slow charge and not ask
> you again. If you accidentally selected slow charge, unplug the neo
> from the charger for several seconds, then plug it back in. Next time
> the script checks, it will ask again if you want slow or fast charge.
> When you select fast charge, the script goes through a confirmation
> sequence, because fast charge can be dangerous for your hardware if
> the charger doesn't support 500 mA or more. Just click 'Confirm' four
> times to confirm that you want to go into fast charge mode.
> Let me know if you see obvious improvements, or if you want to make an
> ipkg of it (I will eventually do so myself...), or if you know a
> better place for me to host the download.
>> Am Do 28. Februar 2008 schrieb Andre Lanvermann:
>> > I read the Archives and found this Topic. I own a T-Mobile MDA Vario.
>> > The device is
>> > charged via USB too. And theay included an USB Wallcharger. Have anybody
>> > allready checked
>> > this charger?
>> > Device Data:
>> > Delta Electronics inc.
>> > AC Adapter HTC P/N: 79H00051-02M
>> > Model: ADP-5FH C
>> > Input: 100-240V~ 0,2A 50-60hz
>> > Output: 5V = 1A LPS
>> > Frequency Level 4
>> What i've learned so far:
>> The strange thing with USB-charger is a resistor of certain Ohms (47k IIRC)
>> that's supposed to connect 2 pins of the charger's plug "to identify
>> I can't say whether this is standard for USB-chargers, or what will happen
>> when NEO doesn't sense this resistor on USB-power detection.
>> Charging seems to be controlled by the main CPU via PCU-chip. If there's no
>> CPU control e.g. due to completely flat accu, only a very low secure trickle
>> charge takes place (->"if you can't power on your NEO, connect to USB and try
>> again after ~30 min..."). There are chances this will be the same for missing
>> resistor, depending on what logic is in the "driver".
>> Maybe one of the devs may shed some more light on this.
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