Bus 002 Device 018: ID 0547:1002 Anchor Chips, Inc. Python2 WDM Encoder
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 0 (Defined at Interface level)
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 64
idVendor 0x0547 Anchor Chips, Inc.
idProduct 0x1002 Python2 WDM Encoder
bcdDevice 0.00
iManufacturer 1 FCTECH
iProduct 2 SLAVEFIFO
iSerial 0
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 32
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 0
bmAttributes 0xa0
(Bus Powered)
Remote Wakeup
MaxPower 500mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 2
bInterfaceClass 255 Vendor Specific Class
bInterfaceSubClass 0
bInterfaceProtocol 0
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x02 EP 2 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x86 EP 6 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Device Qualifier (for other device speed):
bLength 10
bDescriptorType 6
bcdUSB 2.00
bDeviceClass 0 (Defined at Interface level)
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 64
bNumConfigurations 1
Device Status: 0x0002
(Bus Powered)
Remote Wakeup Enabled
On Fri, Feb 17, 2012 at 11:43 PM, Wander Lairson Costa <
wander.lair...@gmail.com> wrote:
> 2012/2/17 Yunong Pang <029...@gmail.com>:
> >
> > OS: Fedora 14 (2.6.35.10-74.fc14.i686)
> >
> >
> > Info from DEBUG
> >>>> dev.read(0x86, 1024, 0, 100)
> > 2012-02-17 23:34:41,768
> >
> DEBUG:usb.backend.libusb10:_LibUSB.get_configuration_descriptor(<usb.backend.libusb10._Device
> > object at 0x99fffec>, 0)
> > 2012-02-17 23:34:41,769
> >
> DEBUG:usb.backend.libusb10:_LibUSB.get_interface_descriptor(<usb.backend.libusb10._Device
> > object at 0x99fffec>, 0, 0, 0)
> > 2012-02-17 23:34:41,769
> >
> DEBUG:usb.backend.libusb10:_LibUSB.get_configuration_descriptor(<usb.backend.libusb10._Device
> > object at 0x99fffec>, 0)
> > 2012-02-17 23:34:41,770
> > DEBUG:usb.backend.libusb10:_LibUSB.bulk_read(c_void_p(161650472), 134, 0,
> > 1024, 100)
> > Traceback (most recent call last):
> > File "<stdin>", line 1, in <module>
> > File "/usr/lib/python2.7/site-packages/usb/core.py", line 624, in read
> > self.__get_timeout(timeout)
> > File "/usr/lib/python2.7/site-packages/usb/_debug.py", line 53, in
> > do_trace
> > return f(*args, **named_args)
> > File "/usr/lib/python2.7/site-packages/usb/backend/libusb10.py", line
> 483,
> > in bulk_read
> > timeout)
> > File "/usr/lib/python2.7/site-packages/usb/backend/libusb10.py", line
> 581,
> > in __read
> > timeout))
> > File "/usr/lib/python2.7/site-packages/usb/backend/libusb10.py", line
> 353,
> > in _check
> > raise USBError(_str_error[retval.value])
> > usb.core.USBError: Operation timed out
> >
>
> Could you send me the output of the command 'lsusb -vv' for your device,
> please?
>
> --
> Best Regards,
> Wander Lairson Costa
>
>
> ------------------------------------------------------------------------------
> Virtualization & Cloud Management Using Capacity Planning
> Cloud computing makes use of virtualization - but cloud computing
> also focuses on allowing computing to be delivered as a service.
> http://www.accelacomm.com/jaw/sfnl/114/51521223/
> _______________________________________________
> pyusb-users mailing list
> pyusb-users@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/pyusb-users
>
------------------------------------------------------------------------------
Virtualization & Cloud Management Using Capacity Planning
Cloud computing makes use of virtualization - but cloud computing
also focuses on allowing computing to be delivered as a service.
http://www.accelacomm.com/jaw/sfnl/114/51521223/
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