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Groups > linux.debian.user > #274146
| From | Stefan Monnier <monnier@iro.umontreal.ca> |
|---|---|
| Newsgroups | linux.debian.user |
| Subject | Re: battery tester |
| Date | 2024-10-29 16:20 +0100 |
| Message-ID | <JCWaK-57tl-5@gated-at.bofh.it> (permalink) |
| References | <JBarw-3Xge-15@gated-at.bofh.it> <JBcWl-3YAB-1@gated-at.bofh.it> <JBkTT-43Jp-7@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
>> 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".
Stefan
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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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