Latest Lime SDR board builds on Raspberry Pi CM3

The open spec, 125 x 65mm LimeNET Micro is Lime’s first fully embedded SDR board, featuring the Raspberry Pi Compute Module 3, MAX 10 FPGA, u-blox GNSS, RF transceiver, Ethernet with PoE, and optional enclosures. UK-based Lime Microsystems has returned to Crowd Supply to launch its first fully autonomous, embedded software defined radio (SDR) platform, and the first to include integrated PoE and GNSS. The successfully funded LimeNET Micro is available through Dec. 6, starting at $269, including the integrated Raspberry Pi Compute Module 3, with shipments due Feb. 25, 2019. Other packages add enclosures and omni-directional antennas.

Kernel: Hwmon and OOMD

• Hwmon Updates Sent To The Kernel Finally Complete AMD Excavator Temperature Readings

  Following this morning's Linux 4.19 release announcement, one of the first pull requests sent in of feature updates for the next 4.20~5.0 feature cycle is the hardware monitoring "hwmon" updates. The hwmon subsystem updates as usual include the various monitoring driver improvements. Most notable though is including the patch we talked about back in September for finally reporting CPU temperatures for all AMD Excavator CPU cores. That patch didn't end up getting sent in as a "fix" during Linux 4.19 development but is now sent in for this next kernel cycle.

• Facebook Developing "OOMD" For Out-of-Memory User-Space Linux Daemon

  While the Linux kernel has its own out-of-memory (OOM) killer when system memory becomes over-committed, Facebook developers have been developing their own user-space based solution for handling this situation. [...] Facebook's Daniel Xu will be talking about OOMD at the Open-Source Summit Europe tomorrow in Edinburgh. But if you can't make it there are the slides (PDF) already available. The OOMD project is hosted on GitHub under the GPLv2 license.

GNOME: libxmlb, Glade Support for Builder and Vala

• libxmlb now a dependency of fwupd and gnome-software

  I’ve just released libxmlb 0.1.3, and merged the branches for fwupd and gnome-software so that it becomes a hard dependency on both projects. A few people have reviewed the libxmlb code, and Mario, Kalev and Robert reviewed the fwupd and gnome-software changes so I’m pretty confident I’ve not broken anything too important — but more testing very welcome.

• Christian Hergert: Glade Support for Builder

  One of the things we’ve wanted in Builder for a while is a designer. We’ve had various prototypes in the past to see how things would have worked out, and mostly just punted on the idea because it seemed like Glade served users better than we would be able to directly. Last week, Juan Pablo, Matthias Clasen and I met up in San Francisco to see what we could do in the short term. We discussed a couple of options that we have going forward. Integrate glade 3 into Builder using libgladeui. Integrate glade 3 using the external Glade application and use D-Bus to inter-operate. Like all projects, we have some constraints.

• Daniel Espinosa: Vala state: October 2018

  While I think maintainability could be improved, adding to history commits from contributions, apart from the ones coming from current Maintainer. Actually, there are some lot of commits not in history coming from authors outside current ones. Hope with new GitLab GNOME’s instance, this will reflect the correct situation. Behind scenes, Vala has to improve its code base to adapt to new requirements like to develop a descent Vala Language Server and more IEDs supporting Vala. At least for me, even GEdit is productive enough to produce software in Vala, because the language itself; write a Class, an Interface and implement interfaces, is 10 times faster in Vala than in C. Vala has received lot of improvements in last development cycles, like a new POSIX profile, ABI stability, C Warnings improvements and many other, to be reported in a different article. Look at Vala’s repository history, you will see more “feature” commits than “bindings” ones, contrary to the situation reported by Emmanuel, while should be a good idea to produce a graphic on this, but resent improvements could tell by them self the situation has been improved in recent release cycles. Lets look at repository’s chart. It reports 2000 commits in the last 3 months, 1.1 average per day, from 101 contributions as for October 19, 2018. Me at 10 commits from the last year, so I’m far to be a core contributor, but push ABI stability to be a reality. My main contributions are to communicate Vala advances and status.

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