Re: [Discuss-gnuradio] problems installing UHD on USRPE100

[Josh Blum]

Ok, i can repeat this problem. If you use the latest 0001* image and
change USRP_E_COMPAT_NUM to 0x02 in usrp_e100_impl.hpp, it should be fine.

http://www.ettus.com/downloads/uhd_images/UHD-images-0001.20101214004901.3ed60b6/

Figuring it out,
_josh

On 01/24/2011 07:39 AM, Achilleas Anastasopoulos wrote:
> 
> I have followed the instruction for installing UHD from source to USRP
> E100.
> I have also installed the latest images (as of 1/22/2011).
> 
> the benchmark_rx_rate command gives me the following (see attachement at
> the end of the email.)
> 
> I am worried about the warning and also about all the errors i get.
> 
> ANy help will be greatly appreciated.
> 
> Thanks
> Achilleas
> 
> ======================
> usrp-e1xx:/home/anastas/uhd/host/build/examples# ./benchmark_rx_rate
> Exception in static block load_modules
>   basic_string::_S_construct NULL not valid

this one is ok, the stuff after is unrelated and a problem

> linux; GNU C++ version 4.5.2 20101204 (prerelease); Boost_104100;
> UHD_002.20110121200648.0173a51
> 
> 
> Creating the usrp device with: ...
> Opening USRP-E on /dev/usrp_e0
> Loading FPGA image: /usr/share/uhd/images/usrp_e100_fpga.bin... done = 1
> File name - /usr/share/uhd/images/usrp_e100_fpga.bin
> Configuration complete.
> re-Opening USRP-E on /dev/usrp_e0
> Using Device: Single USRP:
>   Device: usrp-e device
>   Mboard: usrp-e mboard
>   RX DSP: usrp-e ddc0
>   RX Channel: 0
>     RX Dboard: usrp-e dboard (rx unit)
>     RX Subdev: XCVR2450 (0x0061)
>   TX DSP: usrp-e duc0
>   TX Channel: 0
>     TX Dboard: usrp-e dboard (tx unit)
>     TX Subdev: XCVR2450 (0x0060)
> 
> Testing receive rate 0.500000 Msps (10.000000 second run)
> Error (usrp-e recv pirate loop): bad vrt header or invalid packet length
> Metadata missing time spec, exit test...
> Testing receive rate 1.000000 Msps (10.000000 second run)
> OMetadata missing time spec, exit test...
> Testing receive rate 2.000000 Msps (10.000000 second run)
> Metadata missing time spec, exit test...
> Testing receive rate 4.000000 Msps (10.000000 second run)
> Error code: 1
> Unexpected error on recv, exit test...
> Testing receive rate 8.000000 Msps (10.000000 second run)
> Error code: 1
> Unexpected error on recv, exit test...
> Testing receive rate 16.000000 Msps (10.000000 second run)
> Error code: 1
> Unexpected error on recv, exit test...
> Testing receive rate 32.000000 Msps (10.000000 second run)
> Error code: 1
> Unexpected error on recv, exit test...
> Testing receive rate 64.000000 Msps (10.000000 second run)
> Error code: 1
> Unexpected error on recv, exit test...
> 
> Warning:
>     The hardware does not support the requested RX sample rate:
>     Target sample rate: 128.000000 MSps
>     Actual sample rate: 64.000000 MSps
> 
> Done!
> ===================================
> 
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