Re: host to host usb transfer

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>> Marek Floriańczyk wrote:
>>> I know that it does, but this usb bridge cable has some chip, from
>>> what I understand it presents host as an usb device.
>
> On Mon, Oct 29 2012, Peter Stuge wrote:
>> This sentence makes no sense, because that is impossible, because
>> hosts and a devices are so very different.

On Mon, Oct 29 2012, Michal Nazarewicz wrote:
> Here's how I see the USB bridge cable:
>
>   ---+      +--------------------------+      +---
>   PC |##====| HCI + some silicon + HCI |====##| PC
>   ---+      +--------------------------+      +---
>       |                                      |
>       \---------- USB bridge cable ----------/

s/HCI/UDC/g
HCI is of course on PC side, so the full picture would be:

  ---------+      +--------------------------+      +---------
  PC + HCI |##====|=UDC + some silicon + UDC=|====##| HCI + PC
  ---------+      +--------------------------+      +---------
  |        ||                                      ||        |
  \USB host/\---------- USB bridge cable ----------/\USB host/

> So the cable does not directly connect host to host, but instead has
> a chip inside which reports as a USB device to both hosts.

-- 
Best regards,                                         _     _
.o. | Liege of Serenely Enlightened Majesty of      o' \,=./ `o
..o | Computer Science,  Michał “mina86” Nazarewicz    (o o)
ooo +----<email/xmpp: mpn@xxxxxxxxxx>--------------ooO--(_)--Ooo--

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