prevent USB power down for external device

Discuss peripherals for the XO and power management.

prevent USB power down for external device

Postby marcelhell » Mon Jul 19, 2010 5:48 am

Hi,

I have an arduino board being powered through the USB port, that periodically streams data through the usb-serial connection to the olpc. The olpc however cuts the USB power after several minutes, I guess for power saving reasons, until I press a key etc. to wake it up again.

Where can I adjust the corresponding setting, so the USB port does keep powering the arduino?

Can anyone give a hint?
Thanks,
Marcel
marcelhell
 
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