[Gta04-owner] switching usb modes

[NeilBrown]

On Wed, 25 Jul 2012 20:51:49 -0700 (PDT) Kevin Hremeviuc
<khremeviuc at yahoo.com> wrote:

> Hi all,
> 
> Is there a mechanism for switching USB modes? I am gearing up to play around with alsa sequencing using a couple of USB Midi devices, Seq24 (modified) and Fluidsynth (or possibly Specimen if there is enough CPU).
> 

What do you mean by "switching USB modes"?  Do you mean switching between
'host' and 'gadget' mode?

If you do, then you need a USB-OTG cable.  It is a cable with a mini-usb B
plug on one end with the 'id' pin shorted to ground, and a regular USB A
socket on the other end.
When you plug this in, the kernel notices the ID pin is grounds and switches
to host mode.

Something like this 

http://www.ebay.com/itm/USB-2-0-A-Female-to-5-pin-B-Male-Mini-USB-Cable-OTG-Host-Extension-Cable-PO113-S-/390425562560?pt=US_Video_Cables_Adapters&hash=item5ae72d4dc0

NeilBrown
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