On Monday 30 August 2010 08:33:30 Hans Petter Selasky wrote: > Hi, > > Could you dump device descriptor and current configuration descriptor using > usbconfig. I need the vendor ID and product ID at least to be able to debug > this issue.
# usbconfig -d ugen0.2 dump_device_desc
ugen0.2: <CIF Single Chip Pixart Imaging Inc.> at usbus0, cfg=0 md=HOST
spd=FULL (12Mbps) pwr=ON
bLength = 0x0012
bDescriptorType = 0x0001
bcdUSB = 0x0110
bDeviceClass = 0x00ff
bDeviceSubClass = 0x00ff
bDeviceProtocol = 0x00ff
bMaxPacketSize0 = 0x0008
idVendor = 0x093a
idProduct = 0x2468
bcdDevice = 0x0100
iManufacturer = 0x0001 <Pixart Imaging Inc. >
iProduct = 0x0002 <CIF Single Chip >
iSerialNumber = 0x0000 <no string>
bNumConfigurations = 0x0001
# usbconfig -d ugen0.2 dump_curr_config_desc
ugen0.2: <CIF Single Chip Pixart Imaging Inc.> at usbus0, cfg=0 md=HOST
spd=FULL (12Mbps) pwr=ON
Configuration index 0
bLength = 0x0009
bDescriptorType = 0x0002
wTotalLength = 0x01d4
bNumInterfaces = 0x0001
bConfigurationValue = 0x0001
iConfiguration = 0x0000 <no string>
bmAttributes = 0x00a0
bMaxPower = 0x00fa
Interface 0
bLength = 0x0009
bDescriptorType = 0x0004
bInterfaceNumber = 0x0000
bAlternateSetting = 0x0000
bNumEndpoints = 0x0006
bInterfaceClass = 0x00ff
bInterfaceSubClass = 0x00ff
bInterfaceProtocol = 0x00ff
iInterface = 0x0000 <no string>
Endpoint 0
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0081 <IN>
bmAttributes = 0x0002 <BULK>
wMaxPacketSize = 0x0040
bInterval = 0x0000
bRefresh = 0x0000
bSynchAddress = 0x0000
Endpoint 1
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0002 <OUT>
bmAttributes = 0x0002 <BULK>
wMaxPacketSize = 0x0040
bInterval = 0x0000
bRefresh = 0x0000
bSynchAddress = 0x0000
Endpoint 2
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0083 <IN>
bmAttributes = 0x0003 <INTERRUPT>
wMaxPacketSize = 0x0002
bInterval = 0x0032
bRefresh = 0x0000
bSynchAddress = 0x0000
Endpoint 3
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0004 <OUT>
bmAttributes = 0x0003 <INTERRUPT>
wMaxPacketSize = 0x0002
bInterval = 0x0032
bRefresh = 0x0000
bSynchAddress = 0x0000
Endpoint 4
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0085 <IN>
bmAttributes = 0x0001 <ISOCHRONOUS>
wMaxPacketSize = 0x0000
bInterval = 0x0001
bRefresh = 0x0000
bSynchAddress = 0x0000
Endpoint 5
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0006 <OUT>
bmAttributes = 0x0001 <ISOCHRONOUS>
wMaxPacketSize = 0x0000
bInterval = 0x0001
bRefresh = 0x0000
bSynchAddress = 0x0000
Interface 0 Alt 1
bLength = 0x0009
bDescriptorType = 0x0004
bInterfaceNumber = 0x0000
bAlternateSetting = 0x0001
bNumEndpoints = 0x0006
bInterfaceClass = 0x00ff
bInterfaceSubClass = 0x00ff
bInterfaceProtocol = 0x00ff
iInterface = 0x0000 <no string>
Endpoint 0
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0081 <IN>
bmAttributes = 0x0002 <BULK>
wMaxPacketSize = 0x0040
bInterval = 0x0000
bRefresh = 0x0000
bSynchAddress = 0x0000
Endpoint 1
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0002 <OUT>
bmAttributes = 0x0002 <BULK>
wMaxPacketSize = 0x0040
bInterval = 0x0000
bRefresh = 0x0000
bSynchAddress = 0x0000
Endpoint 2
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0083 <IN>
bmAttributes = 0x0003 <INTERRUPT>
wMaxPacketSize = 0x0002
bInterval = 0x0032
bRefresh = 0x0000
bSynchAddress = 0x0000
Endpoint 3
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0004 <OUT>
bmAttributes = 0x0003 <INTERRUPT>
wMaxPacketSize = 0x0002
bInterval = 0x0032
bRefresh = 0x0000
bSynchAddress = 0x0000
Endpoint 4
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0085 <IN>
bmAttributes = 0x0001 <ISOCHRONOUS>
wMaxPacketSize = 0x0080
bInterval = 0x0001
bRefresh = 0x0000
bSynchAddress = 0x0000
Endpoint 5
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0006 <OUT>
bmAttributes = 0x0001 <ISOCHRONOUS>
wMaxPacketSize = 0x0000
bInterval = 0x0001
bRefresh = 0x0000
bSynchAddress = 0x0000
Interface 0 Alt 2
bLength = 0x0009
bDescriptorType = 0x0004
bInterfaceNumber = 0x0000
bAlternateSetting = 0x0002
bNumEndpoints = 0x0006
bInterfaceClass = 0x00ff
bInterfaceSubClass = 0x00ff
bInterfaceProtocol = 0x00ff
iInterface = 0x0000 <no string>
Endpoint 0
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0081 <IN>
bmAttributes = 0x0002 <BULK>
wMaxPacketSize = 0x0040
bInterval = 0x0000
bRefresh = 0x0000
bSynchAddress = 0x0000
Endpoint 1
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0002 <OUT>
bmAttributes = 0x0002 <BULK>
wMaxPacketSize = 0x0040
bInterval = 0x0000
bRefresh = 0x0000
bSynchAddress = 0x0000
Endpoint 2
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0083 <IN>
bmAttributes = 0x0003 <INTERRUPT>
wMaxPacketSize = 0x0002
bInterval = 0x0032
bRefresh = 0x0000
bSynchAddress = 0x0000
Endpoint 3
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0004 <OUT>
bmAttributes = 0x0003 <INTERRUPT>
wMaxPacketSize = 0x0002
bInterval = 0x0032
bRefresh = 0x0000
bSynchAddress = 0x0000
Endpoint 4
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0085 <IN>
bmAttributes = 0x0001 <ISOCHRONOUS>
wMaxPacketSize = 0x0100
bInterval = 0x0001
bRefresh = 0x0000
bSynchAddress = 0x0000
Endpoint 5
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0006 <OUT>
bmAttributes = 0x0001 <ISOCHRONOUS>
wMaxPacketSize = 0x0000
bInterval = 0x0001
bRefresh = 0x0000
bSynchAddress = 0x0000
Interface 0 Alt 3
bLength = 0x0009
bDescriptorType = 0x0004
bInterfaceNumber = 0x0000
bAlternateSetting = 0x0003
bNumEndpoints = 0x0006
bInterfaceClass = 0x00ff
bInterfaceSubClass = 0x00ff
bInterfaceProtocol = 0x00ff
iInterface = 0x0000 <no string>
Endpoint 0
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0081 <IN>
bmAttributes = 0x0002 <BULK>
wMaxPacketSize = 0x0040
bInterval = 0x0000
bRefresh = 0x0000
bSynchAddress = 0x0000
Endpoint 1
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0002 <OUT>
bmAttributes = 0x0002 <BULK>
wMaxPacketSize = 0x0040
bInterval = 0x0000
bRefresh = 0x0000
bSynchAddress = 0x0000
Endpoint 2
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0083 <IN>
bmAttributes = 0x0003 <INTERRUPT>
wMaxPacketSize = 0x0002
bInterval = 0x0032
bRefresh = 0x0000
bSynchAddress = 0x0000
Endpoint 3
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0004 <OUT>
bmAttributes = 0x0003 <INTERRUPT>
wMaxPacketSize = 0x0002
bInterval = 0x0032
bRefresh = 0x0000
bSynchAddress = 0x0000
Endpoint 4
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0085 <IN>
bmAttributes = 0x0001 <ISOCHRONOUS>
wMaxPacketSize = 0x0180
bInterval = 0x0001
bRefresh = 0x0000
bSynchAddress = 0x0000
Endpoint 5
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0006 <OUT>
bmAttributes = 0x0001 <ISOCHRONOUS>
wMaxPacketSize = 0x0000
bInterval = 0x0001
bRefresh = 0x0000
bSynchAddress = 0x0000
Interface 0 Alt 4
bLength = 0x0009
bDescriptorType = 0x0004
bInterfaceNumber = 0x0000
bAlternateSetting = 0x0004
bNumEndpoints = 0x0006
bInterfaceClass = 0x00ff
bInterfaceSubClass = 0x00ff
bInterfaceProtocol = 0x00ff
iInterface = 0x0000 <no string>
Endpoint 0
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0081 <IN>
bmAttributes = 0x0002 <BULK>
wMaxPacketSize = 0x0040
bInterval = 0x0000
bRefresh = 0x0000
bSynchAddress = 0x0000
Endpoint 1
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0002 <OUT>
bmAttributes = 0x0002 <BULK>
wMaxPacketSize = 0x0040
bInterval = 0x0000
bRefresh = 0x0000
bSynchAddress = 0x0000
Endpoint 2
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0083 <IN>
bmAttributes = 0x0003 <INTERRUPT>
wMaxPacketSize = 0x0002
bInterval = 0x0032
bRefresh = 0x0000
bSynchAddress = 0x0000
Endpoint 3
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0004 <OUT>
bmAttributes = 0x0003 <INTERRUPT>
wMaxPacketSize = 0x0002
bInterval = 0x0032
bRefresh = 0x0000
bSynchAddress = 0x0000
Endpoint 4
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0085 <IN>
bmAttributes = 0x0001 <ISOCHRONOUS>
wMaxPacketSize = 0x0200
bInterval = 0x0001
bRefresh = 0x0000
bSynchAddress = 0x0000
Endpoint 5
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0006 <OUT>
bmAttributes = 0x0001 <ISOCHRONOUS>
wMaxPacketSize = 0x0000
bInterval = 0x0001
bRefresh = 0x0000
bSynchAddress = 0x0000
Interface 0 Alt 5
bLength = 0x0009
bDescriptorType = 0x0004
bInterfaceNumber = 0x0000
bAlternateSetting = 0x0005
bNumEndpoints = 0x0006
bInterfaceClass = 0x00ff
bInterfaceSubClass = 0x00ff
bInterfaceProtocol = 0x00ff
iInterface = 0x0000 <no string>
Endpoint 0
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0081 <IN>
bmAttributes = 0x0002 <BULK>
wMaxPacketSize = 0x0040
bInterval = 0x0000
bRefresh = 0x0000
bSynchAddress = 0x0000
Endpoint 1
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0002 <OUT>
bmAttributes = 0x0002 <BULK>
wMaxPacketSize = 0x0040
bInterval = 0x0000
bRefresh = 0x0000
bSynchAddress = 0x0000
Endpoint 2
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0083 <IN>
bmAttributes = 0x0003 <INTERRUPT>
wMaxPacketSize = 0x0002
bInterval = 0x0032
bRefresh = 0x0000
bSynchAddress = 0x0000
Endpoint 3
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0004 <OUT>
bmAttributes = 0x0003 <INTERRUPT>
wMaxPacketSize = 0x0002
bInterval = 0x0032
bRefresh = 0x0000
bSynchAddress = 0x0000
Endpoint 4
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0085 <IN>
bmAttributes = 0x0001 <ISOCHRONOUS>
wMaxPacketSize = 0x0280
bInterval = 0x0001
bRefresh = 0x0000
bSynchAddress = 0x0000
Endpoint 5
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0006 <OUT>
bmAttributes = 0x0001 <ISOCHRONOUS>
wMaxPacketSize = 0x0000
bInterval = 0x0001
bRefresh = 0x0000
bSynchAddress = 0x0000
Interface 0 Alt 6
bLength = 0x0009
bDescriptorType = 0x0004
bInterfaceNumber = 0x0000
bAlternateSetting = 0x0006
bNumEndpoints = 0x0006
bInterfaceClass = 0x00ff
bInterfaceSubClass = 0x00ff
bInterfaceProtocol = 0x00ff
iInterface = 0x0000 <no string>
Endpoint 0
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0081 <IN>
bmAttributes = 0x0002 <BULK>
wMaxPacketSize = 0x0040
bInterval = 0x0000
bRefresh = 0x0000
bSynchAddress = 0x0000
Endpoint 1
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0002 <OUT>
bmAttributes = 0x0002 <BULK>
wMaxPacketSize = 0x0040
bInterval = 0x0000
bRefresh = 0x0000
bSynchAddress = 0x0000
Endpoint 2
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0083 <IN>
bmAttributes = 0x0003 <INTERRUPT>
wMaxPacketSize = 0x0002
bInterval = 0x0032
bRefresh = 0x0000
bSynchAddress = 0x0000
Endpoint 3
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0004 <OUT>
bmAttributes = 0x0003 <INTERRUPT>
wMaxPacketSize = 0x0002
bInterval = 0x0032
bRefresh = 0x0000
bSynchAddress = 0x0000
Endpoint 4
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0085 <IN>
bmAttributes = 0x0001 <ISOCHRONOUS>
wMaxPacketSize = 0x0300
bInterval = 0x0001
bRefresh = 0x0000
bSynchAddress = 0x0000
Endpoint 5
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0006 <OUT>
bmAttributes = 0x0001 <ISOCHRONOUS>
wMaxPacketSize = 0x0000
bInterval = 0x0001
bRefresh = 0x0000
bSynchAddress = 0x0000
Interface 0 Alt 7
bLength = 0x0009
bDescriptorType = 0x0004
bInterfaceNumber = 0x0000
bAlternateSetting = 0x0007
bNumEndpoints = 0x0006
bInterfaceClass = 0x00ff
bInterfaceSubClass = 0x00ff
bInterfaceProtocol = 0x00ff
iInterface = 0x0000 <no string>
Endpoint 0
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0081 <IN>
bmAttributes = 0x0002 <BULK>
wMaxPacketSize = 0x0040
bInterval = 0x0000
bRefresh = 0x0000
bSynchAddress = 0x0000
Endpoint 1
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0002 <OUT>
bmAttributes = 0x0002 <BULK>
wMaxPacketSize = 0x0040
bInterval = 0x0000
bRefresh = 0x0000
bSynchAddress = 0x0000
Endpoint 2
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0083 <IN>
bmAttributes = 0x0003 <INTERRUPT>
wMaxPacketSize = 0x0002
bInterval = 0x0032
bRefresh = 0x0000
bSynchAddress = 0x0000
Endpoint 3
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0004 <OUT>
bmAttributes = 0x0003 <INTERRUPT>
wMaxPacketSize = 0x0002
bInterval = 0x0032
bRefresh = 0x0000
bSynchAddress = 0x0000
Endpoint 4
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0085 <IN>
bmAttributes = 0x0001 <ISOCHRONOUS>
wMaxPacketSize = 0x0380
bInterval = 0x0001
bRefresh = 0x0000
bSynchAddress = 0x0000
Endpoint 5
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0006 <OUT>
bmAttributes = 0x0001 <ISOCHRONOUS>
wMaxPacketSize = 0x0000
bInterval = 0x0001
bRefresh = 0x0000
bSynchAddress = 0x0000
Interface 0 Alt 8
bLength = 0x0009
bDescriptorType = 0x0004
bInterfaceNumber = 0x0000
bAlternateSetting = 0x0008
bNumEndpoints = 0x0006
bInterfaceClass = 0x00ff
bInterfaceSubClass = 0x00ff
bInterfaceProtocol = 0x00ff
iInterface = 0x0000 <no string>
Endpoint 0
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0081 <IN>
bmAttributes = 0x0002 <BULK>
wMaxPacketSize = 0x0040
bInterval = 0x0000
bRefresh = 0x0000
bSynchAddress = 0x0000
Endpoint 1
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0002 <OUT>
bmAttributes = 0x0002 <BULK>
wMaxPacketSize = 0x0040
bInterval = 0x0000
bRefresh = 0x0000
bSynchAddress = 0x0000
Endpoint 2
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0083 <IN>
bmAttributes = 0x0003 <INTERRUPT>
wMaxPacketSize = 0x0002
bInterval = 0x0032
bRefresh = 0x0000
bSynchAddress = 0x0000
Endpoint 3
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0004 <OUT>
bmAttributes = 0x0003 <INTERRUPT>
wMaxPacketSize = 0x0002
bInterval = 0x0032
bRefresh = 0x0000
bSynchAddress = 0x0000
Endpoint 4
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0085 <IN>
bmAttributes = 0x0001 <ISOCHRONOUS>
wMaxPacketSize = 0x03ff
bInterval = 0x0001
bRefresh = 0x0000
bSynchAddress = 0x0000
Endpoint 5
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0006 <OUT>
bmAttributes = 0x0001 <ISOCHRONOUS>
wMaxPacketSize = 0x0000
bInterval = 0x0001
bRefresh = 0x0000
bSynchAddress = 0x0000
Is there anything else I can do to help?
David
> On Sunday 29 August 2010 21:47:05 David Naylor wrote:
> > Hi,
> >
> > I'm trying to get a USB webcam to work (Pixart Imaging, see
> > http://hardware4linux.info/component/12311/).
> >
> > I attach the webcam and:
> >
> > # dmesg
> > ugen0.2: <Pixart Imaging Inc.> at usbus0
> >
> >
> > I run webcamd (I've tried both from ports and svn):
> >
> > # ./webcamd
> > Attached ugen0.2[0] to cuse unit 0
> > Creating /dev/video0
> >
> >
> > I try using pwcview without success:
> >
> > # pwcview
> > Webcam set to: 320x240 (sif) at 5 fps
> > libv4l2: error got 10 consecutive frame decode errors, last error: v4l-
> > convert: error unknown pac207 row header: 0xed90
> >
> > Error reading from webcam: Resource temporarily unavailable
> >
> >
> > Skype is also unable to use the webcam (green image with corruption in
> > top half of the image). According to the webpage referenced above the
> > webcam should be usable.
> >
> > Please help,
> >
> > David
> >
> > P.S. I'm not on list
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