Rockbox Development > Feature Ideas

charge mode

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petur:
an idea from a co-worker that has a sansa c2x0:

when using USB to charge within rockbox, have a 'charge' mode that shuts down as much hardware as possible to boost charging.

+ a way to see if the computer uses USB2.0 so that enough current gets delivered.

gevaerts:

--- Quote from: petur on October 31, 2008, 04:50:44 AM ---+ a way to see if the computer uses USB2.0 so that enough current gets delivered.

--- End quote ---

If you want to maximise charging you want full speed, not high speed. The maximum limit is 500mA in all cases, but we can get full speed to work without boosting the CPU

saratoga:

--- Quote from: petur on October 31, 2008, 04:50:44 AM ---when using USB to charge within rockbox, have a 'charge' mode that shuts down as much hardware as possible to boost charging.

--- End quote ---

Charging rate isn't limited by the USB current, so powering down hardware doesn't increase charging speed.

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