Date: Sun, 28 Feb 2021 13:21:05 +0200 From: Andriy Gapon <avg@FreeBSD.org> To: KOT MATPOCKuH <matpockuh@gmail.com>, Ian FREISLICH <ian.freislich@capeaugusta.com> Cc: freebsd-usb@freebsd.org, FreeBSD Current <freebsd-current@freebsd.org>, freebsd-stable List <freebsd-stable@freebsd.org> Subject: Re: uchcom update Message-ID: <592ff8c3-a47f-30c2-4e09-1a11152715c8@FreeBSD.org> In-Reply-To: <CALmdT0XEvbnRW99H3JRp1iN7Zbr1S7EyEiLFSUMOpN6kvykPtQ@mail.gmail.com> References: <eb56d9bc-a915-fa56-d1c2-b24cc30c8aa2@FreeBSD.org> <83f7a6dd-5d7e-cfd2-e580-4db0c7134220@capeaugusta.com> <CALmdT0XEvbnRW99H3JRp1iN7Zbr1S7EyEiLFSUMOpN6kvykPtQ@mail.gmail.com>
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On 28/02/2021 11:03, KOT MATPOCKuH wrote: > Hello! > > I'm using FreeBSD 12.2-STABLE r368656 and got usb-to-rs232 with this > controller. > I see /dev/cuaU0 after plugging in adapter, I can attach to serial line > using cu, but after sending any symbol to device I have device reconnection: > uchcom0 on uhub0 > uchcom0: <vendor 0x1a86 USB2.0-Ser, rev 1.10/2.54, addr 17> on usbus0 > uchcom0: CH340 detected > uchcom0: at uhub0, port 9, addr 17 (disconnected) > uchcom0: detached > uchcom0 on uhub0 > uchcom0: <vendor 0x1a86 USB2.0-Ser, rev 1.10/2.54, addr 17> on usbus0 > uchcom0: CH340 detected I have this in my loader.conf: # Ignore result of "clear stall" (clearing halt on endpoints) # CH340 USB<->RS232 requires this # and it seems that Linux and Windows do this by default hw.usb.no_cs_fail=1 I recall that without that tuning I had a similar problem. > вт, 5 июн. 2018 г. в 15:05, Ian FREISLICH <ian.freislich@capeaugusta.com>: > >> On 05/22/2018 09:44 AM, Andriy Gapon wrote: >>> Yesterday I committed some changes to uchcom (so far, only in CURRENT). >>> Commits are r333997 - r334002. >>> >>> If you have a CH340/341 based USB<->RS232 adapter and it works for you, >> could >>> you please test that it still does? >>> If you tried your adapter in the past and it did not work, there is a >> chance it >>> might start working now. Could you please test that as well? >> >> ugen5.4: <vendor 0x1a86 USB2.0-Serial> at usbus5, cfg=0 md=HOST spd=FULL >> (12Mbps) pwr=ON (96mA) >> ugen5.4.0: uchcom0: <vendor 0x1a86 USB2.0-Serial, rev 1.10/2.54, addr 3> >> >> It's not made it any worse. I'm not using this adapter by choice - it's >> a USB to Maxim (Dallas) one-wire bus adapter. The manual used to state >> that these are possibly the worst chips ever. Is that still the >> prevailing opinion? -- Andriy Gapon
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