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Today's Topics:
1. Re: E310 with GPS time source problem (Derek Kozel)
2. Re: cmake error on GnuRadio (for cross compiling)
(Philip Balister)
----------------------------------------------------------------------
Message: 1
Date: Fri, 7 Apr 2017 09:11:59 -0700
From: Derek Kozel <[email protected]>
To: "Marcus D. Leech" <[email protected]>
Cc: Francois Quitin <[email protected]>, "[email protected]"
<[email protected]>
Subject: Re: [USRP-users] E310 with GPS time source problem
Message-ID:
<CAA+K=tskykn-+u2nzw85zbpcd8ov4aunutzv4fv3hv_cp_s...@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"
Hello Francois,
Marcus mistyped X for E310. What filesystem image are you using on the E310?
In order for the gpsdo source to be used UHD needs to be compiled with GPSD
enabled. The Release 4 image has both UHD and this compile flag enabled.
https://github.com/EttusResearch/uhd/blob/f18abe54083fd0c89c372b1fad2ecd
9abb6bf9db/host/lib/usrp/e300/e300_impl.cpp#L549
Regards,
Derek
On Fri, Apr 7, 2017 at 8:12 AM, Marcus D. Leech via USRP-users <
[email protected]> wrote:
> Which X310 system image are you running?
>
>
>
>
>
>
> On 2017-04-07 10:10, Francois Quitin via USRP-users wrote:
>
> Dear list,
>
> I am trying to use the GPS as a time source on the E310 with the command
> usrp->set_time_source("gpsdo"). When I run this, I get the following
> error:
> "Error: LookupError: KeyError: update_time_source: unknown source: gpsdo"
>
> When I query uhd_usrp_probe, the possible time sources are listed as
> "none, internal, external", but no gpsdo...
>
> I am using UHD 003.009.002. Any idea why this is coming up?
>
> Many thanks,
> Fran?ois
>
>
>
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>
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Message: 2
Date: Sat, 8 Apr 2017 10:38:45 -0400
From: Philip Balister <[email protected]>
To: ThongLeng <[email protected]>,
"[email protected]" <[email protected]>
Subject: Re: [USRP-users] cmake error on GnuRadio (for cross
compiling)
Message-ID: <[email protected]>
Content-Type: text/plain; charset=windows-1252
On 04/06/2017 10:53 PM, ThongLeng via USRP-users wrote:
> Hi All,I am new to USRP and have followed the instructions in this web
> https://kb.ettus.com/Software_Development_on_the_E310_and_E312 to setup my
> Ubuntu 16.04 LTS for cross-compiling of UHD and GnuRadio.I have installed the
> oecore-x86_64-armv7ahf-vfp-neon-toolchain-nodistro.0.sh under my home
> directory ~/workarea-HomeRx/E312.And I am able to get to build, compile and
> installed the UHD under ~/workarea-HomeRx/E312.But I have problem when trying
> to build GnuRadio. I get the error messages when I try to perform a cmake of
> GnuRadio using this command:
> sudo cmake -Wno-dev
> -DCMAKE_TOOLCHAIN_FILE=../cmake/Toolchains/oe-sdk_cross.cmake
> \-DCMAKE_INSTALL_PREFIX=/usr -DENABLE_GR_VOCODER=OFF -DENABLE_GR_ATSC=OFF
> -DENABLE_GR_DTV=OFF -DENABLE_DOXYGEN=OFF
> -DUHD_DIR=~/workarea-HomeRx/E312/src/uhd/usr/lib/cmake/uhd/
> -DUHD_INCLUDE_DIRS=~/workarea-HomeRx/E312/usr/include
> -DUHD_LIBRARIES=~/workarea-HomeRx/E312/usr/lib/libuhd.so ../
If you are new to the E300, I think it would be better to start by
building an OOT using the preinstalled gnuradio and UHD.
https://wiki.gnuradio.org/index.php/Cross_compile_an_OOT_and_install_on_target
Describes the process. It does use the toolchain file from the gnuradio
source, but you do not need to rebuild gnuradio to use it.
I don't know a good OOT module to try, but I have a hobby project that
hopefully results in a better article for getting started :)
Philip
>
> The error message is
> CMake Error at cmake/Toolchains/oe-sdk_cross.cmake:4 (string): string
> sub-command REGEX, mode MATCH needs at least 5 arguments total to
> command.Call Stack (most recent call first):
> build-arm/CMakeFiles/3.5.1/CMakeSystem.cmake:6 (include) CMakeLists.txt:29
> (project)
>
> CMake Error at cmake/Toolchains/oe-sdk_cross.cmake:5 (string): string
> sub-command REGEX, mode REPLACE needs at least 6 arguments total to
> command.Call Stack (most recent call first):
> build-arm/CMakeFiles/3.5.1/CMakeSystem.cmake:6 (include) CMakeLists.txt:29
> (project)
>
> -- The CXX compiler identification is GNU 5.4.0-- The C compiler
> identification is GNU 5.4.0-- Check for working CXX compiler:
> /usr/bin/c++CMake Error at
> /home/thongleng/workarea-HomeRx/E312/src/gnuradio/cmake/Toolchains/oe-sdk_cross.cmake:4
> (string): string sub-command REGEX, mode MATCH needs at least 5 arguments
> total to command.Call Stack (most recent call first):
> /home/thongleng/workarea-HomeRx/E312/src/gnuradio/build-arm/CMakeFiles/3.5.1/CMakeSystem.cmake:6
> (include) CMakeLists.txt:2 (project)
>
> CMake Error at
> /home/thongleng/workarea-HomeRx/E312/src/gnuradio/cmake/Toolchains/oe-sdk_cross.cmake:5
> (string): string sub-command REGEX, mode REPLACE needs at least 6 arguments
> total to command.Call Stack (most recent call first):
> /home/thongleng/workarea-HomeRx/E312/src/gnuradio/build-arm/CMakeFiles/3.5.1/CMakeSystem.cmake:6
> (include) CMakeLists.txt:2 (project)
>
> CMake Error: Internal CMake error, TryCompile configure of cmake failed--
> Check for working CXX compiler: /usr/bin/c++ -- brokenCMake Error at
> /usr/share/cmake-3.5/Modules/CMakeTestCXXCompiler.cmake:54 (message): The
> C++ compiler "/usr/bin/c++" is not able to compile a simple test program.
> It fails with the following output:
> CMake will not be able to correctly generate this project.Call Stack (most
> recent call first): CMakeLists.txt:29 (project)
> Here is some additional command i performed to check that the environment is
> setup.echo $CCarm-oe-linux-gnueabi-gcc -march=armv7-a -mfloat-abi=hard
> -mfpu=neon
> --sysroot=/home/thongleng/workarea-HomeRx/E312/sysroots/armv7ahf-vfp-neon-oe-linux-gnueabi
> $CC -dumpmachinearm-oe-linux-gnueabi
> What am I missing here for the cmake of GnuRadio?
> thanks a lot in advance..thongleng
>
>
>
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