[USRP-users] uhd_find_devices fails on E100

Ahmed Alsawi ahmedalsawi2012 at gmail.com
Sat Feb 25 16:17:56 EST 2012


 it worked, Thank you

On Sat, Feb 25, 2012 at 12:54 AM, Philip Balister <philip at balister.org>wrote:

> On 02/24/2012 05:33 PM, Ben Hilburn wrote:
> > Shutdown your device, unplug power, pull up on the Overo to unplug it
> from
> > the board, then put it back.
>
> Gumstix has a video that will help explain how to mount the Overo unit:
>
> http://www.youtube.com/watch?v=FxxEBn8Z_PA
>
> Philip
>
> >
> > 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
> >>>>>
> >>>>>
> >>>>
> >>>
> >>
> >
> >
> >
> > _______________________________________________
> > 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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