[USRP-users] uhd_find_devices fails on E100

Ben Hilburn ben.hilburn at ettus.com
Fri Feb 24 17:33:23 EST 2012


Shutdown your device, unplug power, pull up on the Overo to unplug it from
the board, then put it back.

Cheers,
Ben
----------------------------
Ben Hilburn <http://goo.gl/5DdZ3> @ Ettus Research, LLC<http://www.ettus.com/>



On Fri, Feb 24, 2012 at 2:18 PM, Ahmed Alsawi <ahmedalsawi2012 at gmail.com>wrote:

> aActually ,Nothing attached  other than console.
> about re-seating the overo ,how to do it?
> thanks
> On Fri, Feb 24, 2012 at 8:56 PM, Ben Hilburn <ben.hilburn at ettus.com>wrote:
>
>> Also, it's very possible that your Overo isn't seated properly.  Will you
>> shut it down, pull off your Overo, and re-seat it?  Sometimes they get
>> knocked around during shipping.
>>
>> Cheers,
>>  Ben
>> ----------------------------
>> Ben Hilburn <http://goo.gl/5DdZ3> @ Ettus Research, LLC<http://www.ettus.com/>
>>
>>
>>
>> On Fri, Feb 24, 2012 at 10:04 AM, Ben Hilburn <ben.hilburn at ettus.com>wrote:
>>
>>> Ahmed -
>>>
>>> It looks like your E100 cannot talk to its own EEPROM.  This is usually
>>> caused by another device not behaving properly on the i2c bus.
>>>
>>> Do you have any peripherals plugged in to your E100? A monitor, for
>>> example?
>>>
>>> If so, will you unplug all peripherals, reboot your E100, and try again?
>>>
>>> Cheers,
>>> Ben
>>> ----------------------------
>>> Ben Hilburn <http://goo.gl/5DdZ3> @ Ettus Research, LLC<http://www.ettus.com/>
>>>
>>>
>>>
>>> On Fri, Feb 24, 2012 at 6:48 AM, Ahmed Alsawi <ahmedalsawi2012 at gmail.com
>>> > wrote:
>>>
>>>> hi all,
>>>> I working on E100 with official image  UHD 003.004.
>>>> After booting,When executing uhd_find_devices and uhd_usrp_probe they
>>>> fail
>>>> i think uhd_find_devices should have serial number.isn't it?
>>>> Any idea what is wrong.
>>>>
>>>> root at usrp-e1xx:~# uhd_find_devices
>>>> linux; GNU C++ version 4.5.3 20110311 (prerelease); Boost_104500;
>>>> UHD_003.004.000-7dc76db
>>>>
>>>>  --------------------------------------------------
>>>> -- UHD Device 0
>>>> --------------------------------------------------
>>>> Device Address:
>>>>     type: e100
>>>>     node: /dev/usrp_e0
>>>>     name:
>>>>     serial:
>>>>
>>>> root at usrp-e1xx:~# uhd_usrp_probe
>>>> linux; GNU C++ version 4.5.3 20110311 (prerelease); Boost_104500;
>>>> UHD_003.004.000-7dc76db
>>>>
>>>> -- Opening device node /dev/usrp_e0...
>>>> Error: AssertionError: ::ioctl(_node_fd, I2C_RDWR, &data) >= 0
>>>>   in virtual void i2c_dev_iface::write_i2c(uint8_t, const
>>>> uhd::byte_vector_t&)
>>>>   at /home/root/src/uhd.git/host/lib/usrp/e100/e100_ctrl.cpp:148
>>>>
>>>>
>>>> _______________________________________________
>>>> USRP-users mailing list
>>>> USRP-users at lists.ettus.com
>>>> http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com
>>>>
>>>>
>>>
>>
>
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