LimeSuite [FreeBSD WIKI]

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Work in progress, stay tuned :-)

People involved: [[https://github.com/JanBeh|Jan BEHRENS]], [[https://github.com/hselasky|HPS]], [[https://github.com/cederom/|CeDeROM]], [[https://github.com/DianeBruce|DB]].

====== LimeSDR utilities on FreeBSD ======

===== GQRX + LimeSDR Mini. =====
  * TODO

===== LimeSuite FreeBSD Port. =====
  * [DONE] source port ''%%portsnap%%'' and binary package ''%%pkg%%'' available for everyone.
  * [DONE] commit to port tree: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=252032.
  * [DONE] %%LimeSuite%% + %%SoapySDR%% module build.
  * [DONE] build fix / patch upstream.
    * [DONE] cmake: https://github.com/myriadrf/LimeSuite/pull/329.
    * [DONE] wxString debug: https://github.com/myriadrf/LimeSuite/pull/332.
    * [DONE] connection remote: https://github.com/myriadrf/LimeSuite/pull/333.
    * [DONE] stream unit constructor: https://github.com/myriadrf/LimeSuite/pull/336.
    * [DONE] stream unite header: https://github.com/myriadrf/LimeSuite/pull/337.
  * [TODO] less verbose console output even for GUI application.
    * one way to control %%LibUSB%% verbosity is using environmental variables like %%<%%code>LIBUSB_DEBUG=0 %%LimeSuiteGUI%%%%<%%/code>.
  * [DONE] compiler/linker errors in the Lime Suite (which contains more than the %%SoapySDR%% driver).

====== Known problems ======

===== Software / Utilities =====

==== LimeSuite and SoapySDR cannot open LimeSDR USB device while detect works fine. ====
  * [ONGO] problem fixed. upstream / firmware updated.
    * [TODO] make solution public.
    * [TODO] verify the solution.
    * [TODO] fix the device open problem.
  * [TODO] unable to open usb device - find a cause of the problem - probably a %%LibUSB%% reset related.
  * [DONE] Make %%LimeSuite%% work with %%SoapySDR%% (%%LimeSuite%% generates a driver for %%SoapySDR%%).
  * [DONE] Create %%LimeSuite%% port for %%FreeBSD%%.

==== wx assertions on application startup. ====
  * [TODO] problem fixed. upstream / firmware updated.
  * [DONE] cause found.
  * [DONE] report issue on upstream github, done: https://github.com/myriadrf/LimeSuite/issues/338.

===== Software / OS / FreeBSD =====

==== Excessive debug output. ====
  * [ONGO] problem fixed. upstream / firmware updated.
    * [TODO] make solution public.
    * [TODO] verify the solution.
    * [TODO] fix the device open problem.
  * Likely setting the verbosity level to a different value in %%FreeBSD%% could fix the  issue, as maybe libusb on %%FreeBSD%% is just more verbose, but I’m not sure if there are any real errors or issues).
  * one way to control %%LibUSB%% verbosity is using environmental variables like %%<%%code>LIBUSB_DEBUG=0 %%LimeSuiteGUI%%%%<%%/code>.

===== Firmware / USB =====

==== USB reset. ====
  * This is a %%FreeBSD%% related issue. See post on the freebsd-usb mailinglist: https://lists.freebsd.org/pipermail/freebsd-usb/2020-July/016715.html and its follow-ups.
  * [TODO] analyze %%LibUSB%% reset problem that prevents %%LimeSDR%% working on %%FreeBSD%%.
  * [TODO] enabling non-root %%FreeBSD%% users to execute a reset or removing the call from the driver, we’re still debating on how or if the first can be achieved).

===== Firmware / RADIO =====

==== LimeSDR-Mini Hardware Self-Test fail with LimeQuickTest. ====
  * [WFIX] problem won't fix: changes to testing application not welcome (see [[https://github.com/myriadrf/LimeSuite/issues/339]]).
  * [DONE] cause found: tests need to be performed with antennas disconnected (both RX and TX port empty) and device should be cold (board temperature over 40C will fail %%<%%code>RF Loopback Test%%<%%/code>).
  * [DONE] report issue on upstream github, done: https://github.com/myriadrf/LimeSuite/issues/339
  * [WFIX] some tests fail, depends on hardware and firmware relese. verify. confirmed with @cederom device on %%FreeBSD%%.

==== MCU error 3 / SXR tune failed. ====
  * Issue seems to be reproducible with a [test program%%](%%[[https://sapphire.magnetkern.de/paste_1d1b4528287690e1e2dc1200acb41427/limetest_2020-09-03_0731Z.c]]). Under %%FreeBSD%%, ensure that %%%%libLMS7Support.so%%%% of %%LimeSuite%% has been installed in ''%%/usr/local/lib/SoapySDR/modules0.7%%'' and compile with: %%<%%code>cc -Wall -o limetest-mcu-error -I /usr/local/include limetest_2020-09-03_0731Z.c -L /usr/local/lib -l %%SoapySDR%%%%<%%/code>. Further notes on that issue can be found in the thread [MCU error 3 (SXR tune failed) on %%LimeSDR%% USB%%](%%[[https://discourse.myriadrf.org/t/mcu-error-3-sxr-tune-failed-on-limesdr-usb/5303]]).
  * [TODO] cause found: firmware / design error?
  * [DONE] report issue on upstream, done: https://github.com/myriadrf/LimeSuite/issues/340 and https://github.com/myriadrf/LimeSDR-Mini/issues/2.
  * [TODO] problem fixed. upstream / firmware updated.

====== References ======
  * [[https://limemicro.com/|Lime Micro]] - Software defined radio technology for wireless networks.
  * [[https://myriadrf.org/projects/component/limesdr/|LimeSDR]] - project main site.
  * [[https://github.com/myriadrf/LimeSDR-Mini|LimeSDR-Mini]] - open-source device repository.
  * [[https://www.freebsd.org|FreeBSD]] - %%FreeBSD%% is an operating system used to power modern servers, desktops, and embedded platforms.
  * [[https://www.freshports.org/|FreshPorts]] - The Place For %%FreeBSD%% Ports - Most recent commits.