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Working remote this afternoon, and I want to transfer some photos from my phone to my laptop. I rummage around my bag and find:
1) USB A to Micro B cable
2) USB C to C cable

Darn, I was hoping to find a USB A to C — wait a minute, my laptop is only a year and a half old and can charge with USB C. Surely if I just connect the two devices together — HUZZAH!

How it knows that I want to access the phone from the laptop and not the other way around is something I'll have to learn later.

in reply to R. L. Dane

Bro I haven't had a phone in _years_ that can figure out if it's master or slave when connected to a USB A port (with me going into USB settings and explicitly trying every single mode). It honestly blows me away that connecting a phone to a computer registers in your brain as something that's possible in this universe 😮
in reply to OpenComputeDesign

@OpenComputeDesign

That's confusing, it shouldn't be able to be anything *but* "slave" when connected to a USB-A port, no?

Or is it some weird USB-OTG thing?

in reply to R. L. Dane

I couldn't guess what nonsense is in the deranged minds of Android programmers
in reply to R. L. Dane

*superhero pose* random mix of cables and adapters, go!!!!

R. L. Dane reshared this.

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R. L. Dane

@tripplehelix

Yeah, there was a screen with a lot of options for how USB should be treated. I'll explore those options some more next time.

in reply to R. L. Dane

@R. L. Dane :debian: :openbsd: My understanding is that each device has a hard-coded priority number. The one with the higher number is "master", the other "slave".
in reply to Jonathan Lamothe

@me

Interesting! So I'm guessing it's something like handhelds < laptops < desktops

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