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Re: battery tester

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On Tue, Oct 29, 2024 at 11:13:28AM -0400, Stefan Monnier wrote:
> >> The CH340 is a well-known device, and the usbserial module along with
> >> something like cp210x should deal with multiple devices, assigning them
> >> ttyUSBx device numbers.
> [...]
> > I doubt all that baud rate, stop bits and parity dance we know and love
> > from the RS232s of yore are necessary with TTYUSBs. We are talking to
> > an abstraction layer in the kernel anyway.
> 
> The CH340 is a real USB<->serial converter, so somewhere inside the
> device is a real serial connection which speaks at a specific speed and
> the CH340 probably has to match that speed if we want to get valuable
> output, I suspect.  IOW, I think it's not "just an abstraction layer".

Hmmm. An interesting point. Yet another rabbit hole =:-o

Cheers
-- 
t

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Re: battery tester "Roy J. Tellason, Sr." <roy@rtellason.com> - 2024-10-24 20:10 +0200
  Re: battery tester Joe <joe@jretrading.com> - 2024-10-24 22:50 +0200
    Re: battery tester <tomas@tuxteam.de> - 2024-10-25 07:20 +0200
      Re: battery tester Stefan Monnier <monnier@iro.umontreal.ca> - 2024-10-29 16:20 +0100
        Re: battery tester <tomas@tuxteam.de> - 2024-10-29 16:30 +0100
          Re: battery tester tomas@tuxteam.de - 2024-10-29 17:40 +0100
            Re: battery tester Stefan Monnier <monnier@iro.umontreal.ca> - 2024-10-29 20:10 +0100
            Re: battery tester Joe <joe@jretrading.com> - 2024-10-29 20:10 +0100
              Re: battery tester Charles Curley <charlescurley@charlescurley.com> - 2024-10-30 03:00 +0100

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