Hi,

27.12.2018 23:48, 'John S' via linux-sunxi:
Well, IMHO is has to do with Olimex because they designed this specific
circuitry, and the circuitry is such that 5V voltage constantly applied
to the micro-usb connector might essentially become disconnected (at the
board side) by programming -- if I understood it correctly.

The software needs to be responsible for its own actions.

Sure, ideally. That's why I reported.

Does the problem you reported occur with the Olimex image(s)?  If so it may be 
wise to report it to Olimex.

I can't say about Olimex images at the moment because I switched to more current (alternative) images and subsequently to mainline openwrt and the board is already mounted for intended operation. Maybe I do some experiments later. I'd like to clarify, I don't blame Olimex, they are nice. Keeping close to mainline is not always easy.

If not, which commit or change caused it?

Again, I can't say at the moment. Not even sure if it could be fixed on the software side.

BTW I read in the Olimex documentation that best practice is to power it 
differently than the way you mention.

Yes, that is true.
But powering through mini-usb is so wonderfully handy!


Thank you,

Regards,
Nikolai

John


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