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Date:      Thu, 2 Jan 2020 11:11:55 +0200
From:      Daniel Braniss <danny@cs.huji.ac.il>
To:        freeBSD-STABLE Mailing List <freebsd-stable@freebsd.org>
Subject:   usb QR reader
Message-ID:  <7DC305EC-7B3F-4859-ABAC-3FF1B2F84B30@cs.huji.ac.il>

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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=98Virtua=
l Serial Port=E2=80=99)

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

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

any ideas?

thanks,
	danny




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