GTA02 Battery Capacity (Was: Re: More about the GTA02)

Michael Shiloh michael at
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 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.
> Details
> 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.
> Bobby
>> 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
>>  OM-charger".
>>  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.
>>  jOERG
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