Setting / checking fast charge in /sys/devices/platform/whatever
Stroller
stroller at stellar.eclipse.co.uk
Tue Jul 15 05:30:40 CEST 2008
On 14 Jul 2008, at 23:17, Al Johnson wrote:
>> ...
>> The wiki [2] says:
>>
>> The battery can be charged using the provided charger (at 1000mA)
>> or from a powered USB port capable of providing 500mA worth of
>> current. Most computers will be able to charge the FreeRunner
>> without
>> any problems.
>>
>> Charging at 100mA takes 6-12 hours and at 500mA takes 1-2 hour
>>
>>
>> I understood the provided charger was a dumb one and that - because
>> the Freerunner is unable to communicate with it - an unpowered USB
>> connection would be assumed, the Freerunner would act conservatively,
>> only drawing 100mA.
>>
>> Which is correct, please?
>
> The charger is dumb, but has a 47k resistor from the ID pin of the USB
> connector to ground. This allows the Freerunner to identify it as
> capable to
> provide 1000mA. See the USB Host section of:
> http://wiki.openmoko.org/wiki/Neo_FreeRunner_GTA02_Hardware
Ah, marvellous!
Thank you.
So a full charge using the wall charger takes only 1 hour or so?
Does /sys/devices/platform/whatever have a node for checking charge
status?
Stroller.
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