From: Johan Hovold <johan@kernel.org>
To: "Michael G. Katzmann" <michaelk@IEEE.org>
Cc: charles-yeh@prolific.com.tw, linux-serial@vger.kernel.org,
linux-usb@vger.kernel.org, Charles Yeh <charlesyeh522@gmail.com>,
Joe Abbott <jabbott@rollanet.org>
Subject: Re: non-standard baud rates with Prolific 2303 USB-serial
Date: Tue, 23 Feb 2021 17:52:01 +0100 [thread overview]
Message-ID: <YDUysZY90FfVhrHK@hovoldconsulting.com> (raw)
In-Reply-To: <93584ae4-665e-1e67-01e0-cc53f987bee4@IEEE.org>
On Tue, Feb 23, 2021 at 11:30:41AM -0500, Michael G. Katzmann wrote:
> On 2/23/21 11:14 AM, Johan Hovold wrote:
> > I only have an HXD (and a GC) here.
> >
> > The HXD has bcdUSB as 1.10 unlike your TA with 2.00, but not sure that
> > helps.
>
> Sound promising .. why do you think this is this not reliable?
Perhaps it is. Perhaps even bcdDevice of 3.00 is enough (includes some
older variants that the TA replaced supposedly). Not sure anyone ever
tried the current scheme on those older models.
Charles, could you post the output of "lsusb -v" for your PL2303TA? And
did you verify that you actually got 110 Bd with the current Linux
driver?
Johan
next prev parent reply other threads:[~2021-02-23 16:52 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <3aee5708-7961-f464-8c5f-6685d96920d6@IEEE.org>
[not found] ` <dc3458f1-830b-284b-3464-20124dc3900a@IEEE.org>
2021-02-22 8:52 ` non-standard baud rates with Prolific 2303 USB-serial Johan Hovold
2021-02-22 12:39 ` Michael G. Katzmann
2021-02-22 13:18 ` Johan Hovold
[not found] ` <fb1489c2-b972-619b-b7ce-4ae8e1d2cc0f@IEEE.org>
2021-02-22 15:34 ` Johan Hovold
2021-02-22 15:42 ` Michael G. Katzmann
2021-02-22 15:50 ` Johan Hovold
2021-02-22 16:37 ` Michael G. Katzmann
2021-02-22 16:48 ` Johan Hovold
2021-02-24 23:08 ` Joe Abbott
2021-02-25 8:44 ` Johan Hovold
[not found] ` <43da22ced8e14442bbc8babea77e4ed7@MailHC2.prolific.com.tw>
2021-02-23 10:18 ` Johan Hovold
2021-02-23 13:25 ` Michael G. Katzmann
2021-02-23 14:58 ` Michael G. Katzmann
2021-02-23 15:43 ` Johan Hovold
2021-02-23 15:57 ` Michael G. Katzmann
2021-02-23 16:14 ` Johan Hovold
2021-02-23 16:30 ` Michael G. Katzmann
2021-02-23 16:52 ` Johan Hovold [this message]
2021-02-23 19:15 ` Michael G. Katzmann
2021-02-24 17:04 ` Johan Hovold
2021-02-24 18:13 ` Michael G. Katzmann
2021-02-25 8:42 ` Johan Hovold
2021-04-08 15:35 ` Johan Hovold
2021-02-24 7:34 ` Charles Yeh
2021-02-24 17:00 ` Johan Hovold
2021-02-24 17:12 ` Michael G. Katzmann
2021-03-05 9:32 ` Charles Yeh
2021-03-05 9:36 ` Johan Hovold
2021-03-06 20:18 ` Michael G. Katzmann
2021-03-07 4:15 ` Michael G. Katzmann
2021-03-11 16:08 ` Johan Hovold
2021-03-12 13:17 ` Michael G. Katzmann
2021-03-12 13:44 ` Johan Hovold
2021-03-12 20:29 ` Michael G. Katzmann
2021-03-13 1:28 ` Michael G. Katzmann
2021-03-15 9:07 ` Johan Hovold
2021-03-15 10:07 ` Charles Yeh
2021-03-15 10:24 ` Johan Hovold
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