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Date:      Fri, 3 Jan 2020 12:56:46 +0200
From:      Daniel Braniss <danny@cs.huji.ac.il>
To:        freeBSD-STABLE Mailing List <freebsd-stable@freebsd.org>
Cc:        Hans Petter Selasky <hps@selasky.org>
Subject:   Re: usb QR reader
Message-ID:  <ED5B34EE-413D-4291-9968-8FF937F0E87F@cs.huji.ac.il>
In-Reply-To: <7DC305EC-7B3F-4859-ABAC-3FF1B2F84B30@cs.huji.ac.il>
References:  <7DC305EC-7B3F-4859-ABAC-3FF1B2F84B30@cs.huji.ac.il>

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Hi Hans,=20
can you shed some light/help?

thanks,
	danny


> On 2 Jan 2020, at 11:11, Daniel Braniss <danny@cs.huji.ac.il> wrote:
>=20
> Hi,=20
> after connecting this QR reader I see a new /dev/ttyU but as soon as I =
try tip,
> the device disconnects. (BTW, it=E2=80=99s configured as a =E2=80=98Virt=
ual Serial Port=E2=80=99)
>=20
> dmsg:
> =E2=80=A6
> Jan  2 10:54:57 pampero kernel: umodem0 on uhub1
> Jan  2 10:54:57 pampero kernel: umodem0: <SM SM-2D PRODUCT USB UART, =
class 2/0, rev 1.10/1.00, addr 38> on usbus0
> Jan  2 10:54:57 pampero kernel: umodem0: data interface 1, has no CM =
over data, has no break
> Jan  2 10:56:01 pampero kernel: umodem0: at uhub1, port 2, addr 38 =
(disconnected)
> Jan  2 10:56:02 pampero kernel: umodem0:=20
> Jan  2 10:56:02 pampero kernel: detached
> Jan  2 10:56:03 pampero kernel: umodem0 on uhub1
> Jan  2 10:56:03 pampero kernel: umodem0: <SM SM-2D PRODUCT USB UART, =
class 2/0, rev 1.10/1.00, addr 38> on usbus0
> Jan  2 10:56:03 pampero kernel: umodem0: data interface 1, has no CM =
over data, has no break
> =E2=80=A6
>=20
> and usbconfig:
> pampero# usbconfig
> ugen0.1: <0x8086 XHCI root HUB> at usbus0, cfg=3D0 md=3DHOST spd=3DSUPER=
 (5.0Gbps) pwr=3DSAVE (0mA)
> ugen0.2: <GenesysLogic USB2.0 Hub> at usbus0, cfg=3D0 md=3DHOST =
spd=3DHIGH (480Mbps) pwr=3DSAVE (500mA)
> ugen0.4: <Logitech USB Receiver> at usbus0, cfg=3D0 md=3DHOST spd=3DFULL=
 (12Mbps) pwr=3DON (98mA)
> ugen0.5: <Prolific Technology Inc. USB-Serial Controller> at usbus0, =
cfg=3D0 md=3DHOST spd=3DFULL (12Mbps) pwr=3DON (100mA)
> ugen0.6: <GenesysLogic USB3.0 Hub> at usbus0, cfg=3D0 md=3DHOST =
spd=3DSUPER (5.0Gbps) pwr=3DSAVE (0mA)
> ugen0.3: <Silicon Labs CP2102 USB to UART Bridge Controller> at =
usbus0, cfg=3D0 md=3DHOST spd=3DFULL (12Mbps) pwr=3DON (100mA)
> ugen0.7: <SM SM-2D PRODUCT USB UART> at usbus0, cfg=3D0 md=3DHOST =
spd=3DFULL (12Mbps) pwr=3DON (100mA) <=E2=80=94 this is the QR
>=20
> any ideas?
>=20
> thanks,
> 	danny
>=20
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