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Re: USB "null modem" cables and related Linux driver questions

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Richard Owlett <rowlett@cloud85.net> writes:

> On 06/01/2018 08:21 AM, tomas@tuxteam.de wrote:
>> -----BEGIN PGP SIGNED MESSAGE-----
>> Hash: SHA1
>>
>> On Fri, Jun 01, 2018 at 08:23:42AM -0400, Stefan Monnier wrote:
>>>> The one choice you have is that one of both sides takes a step
>>>> back and plays "gadget" [...]
>>
>>> The gadget API is the programming API offered by the kernel for the OTG
>>> ports: no OTG => no gadget!
>>>
>>>> [OTG]
>>
>>> More importantly, the USB ports which support OTG are driven by
>>> different hardware.
>>
>> Ah, so the hardware has to play along...
>>
>>> Right, you need both your hardware's USB port to support OTG and you
>>> need your kernel to have a driver that supports this hardware.
>>> AFAIK the driver is usually available.
>>
>> Did I say I was handwaving?
>>
>> Thanks for the clarifications!
>>
>
> It also suggests that I frequently grasp some of the implications of
> what I read. Thank you.
> As an illustration of my mindset:
> If they had really intended USB to be *UNIVERSAL* serial bus, then it
> should have been OTG from the get go.
> P.S. I know of thousands of reasons they did not.
>      Vast majority preceded by $ ;/

This depends on what you mean by "universal".  It was intended to be a
protocol for computers to use to communicate with peripherals;
"universal" in this context was restricted to peripherals.

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USB "null modem" cables and related Linux driver questions Richard Owlett <rowlett@cloud85.net> - 2018-05-31 16:30 +0200
  Re: USB "null modem" cables and related Linux driver questions Reco <recoverym4n@gmail.com> - 2018-05-31 16:50 +0200
  Re: USB "null modem" cables and related Linux driver questions Dan Ritter <dsr@randomstring.org> - 2018-05-31 18:10 +0200
    Re: USB "null modem" cables and related Linux driver questions Richard Owlett <rowlett@cloud85.net> - 2018-06-01 11:50 +0200
  Re: USB "null modem" cables and related Linux driver questions David Wright <deblis@lionunicorn.co.uk> - 2018-06-01 02:00 +0200
    Re: USB "null modem" cables and related Linux driver questions Richard Owlett <rowlett@cloud85.net> - 2018-06-01 12:00 +0200
      Re: USB "null modem" cables and related Linux driver questions <tomas@tuxteam.de> - 2018-06-01 12:30 +0200
        Re: USB "null modem" cables and related Linux driver questions Stefan Monnier <monnier@iro.umontreal.ca> - 2018-06-01 14:30 +0200
          Re: USB "null modem" cables and related Linux driver questions <tomas@tuxteam.de> - 2018-06-01 15:30 +0200
            Re: USB "null modem" cables and related Linux driver questions Richard Owlett <rowlett@cloud85.net> - 2018-06-01 16:10 +0200
              Re: USB "null modem" cables and related Linux driver questions David Wright <deblis@lionunicorn.co.uk> - 2018-06-02 06:50 +0200
              Re: USB "null modem" cables and related Linux driver questions Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2018-06-07 06:50 +0200
                Re: USB "null modem" cables and related Linux driver questions Curt <curty@free.fr> - 2018-06-07 11:00 +0200
      Re: USB "null modem" cables and related Linux driver questions Michael Stone <mstone@debian.org> - 2018-06-01 16:10 +0200
        Re: USB "null modem" cables and related Linux driver questions Joe <joe@jretrading.com> - 2018-06-01 19:40 +0200
        Re: USB "null modem" cables and related Linux driver questions Richard Owlett <rowlett@cloud85.net> - 2018-06-01 21:20 +0200
          Re: USB "null modem" cables and related Linux driver questions Andy Smith <andy@strugglers.net> - 2018-06-01 23:10 +0200
          Re: USB "null modem" cables and related Linux driver questions Michael Stone <mstone@debian.org> - 2018-06-02 02:50 +0200
  Re: USB "null modem" cables and related Linux driver questions Stefan Monnier <monnier@iro.umontreal.ca> - 2018-06-01 05:10 +0200
    Re: USB "null modem" cables and related Linux driver questions Stefan Monnier <monnier@iro.umontreal.ca> - 2018-06-01 05:20 +0200
    Re: USB "null modem" cables and related Linux driver questions Richard Owlett <rowlett@cloud85.net> - 2018-06-01 12:30 +0200
      Re: USB "null modem" cables and related Linux driver questions Stefan Monnier <monnier@iro.umontreal.ca> - 2018-06-01 14:30 +0200
      Re: USB "null modem" cables and related Linux driver questions Gene Heskett <gheskett@shentel.net> - 2018-06-01 19:40 +0200
  Re: USB "null modem" cables and related Linux driver questions deloptes <deloptes@gmail.com> - 2018-06-01 08:30 +0200
    Re: USB "null modem" cables and related Linux driver questions <tomas@tuxteam.de> - 2018-06-01 10:30 +0200
    Re: USB "null modem" cables and related Linux driver questions Richard Owlett <rowlett@cloud85.net> - 2018-06-01 12:30 +0200
      Re: USB "null modem" cables and related Linux driver questions David Wright <deblis@lionunicorn.co.uk> - 2018-06-01 16:20 +0200
  Re: USB "null modem" cables and related Linux driver questions Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2018-06-07 06:50 +0200
    Re: USB "null modem" cables and related Linux driver questions Tixy <tixy@yxit.co.uk> - 2018-06-07 09:10 +0200
      Re: USB "null modem" cables and related Linux driver questions Michael Stone <mstone@debian.org> - 2018-06-07 14:40 +0200
  Re: USB "null modem" cables and related Linux driver questions David <bouncingcats@gmail.com> - 2018-06-18 14:20 +0200
    Re: USB "null modem" cables and related Linux driver questions Michael Stone <mstone@debian.org> - 2018-06-18 14:50 +0200
      Re: USB "null modem" cables and related Linux driver questions rhkramer@gmail.com - 2018-06-18 16:00 +0200
    Re: USB "null modem" cables and related Linux driver questions Richard Owlett <rowlett@cloud85.net> - 2018-06-18 15:40 +0200

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