operating system News - CNX Software

February 23, 2021February 23, 2021 by Saumitra Jagdale - 9 Comments

Fuzix Unix-like operating system ported to Raspberry Pi Pico and ESP8266

The Raspberry Pi Pico is not compatible with Linux, but now supports another Unix-like operating system known as Fuzix. Alan Cox’s Fuzix is a Unix-like operating system for older devices with less performance capacity. David Given’s two recent posts have brought to the attention about the operating system’s compatibility with ESP8266 MCU and Raspberry Pi Pico. Fuzix operating system has a kernel which is the central core of the system. Also, it has a C compiler and a set of core applications similar to the UNIX filesystem. The Raspberry Pi Pico port comes with many benefits like a well-structured Unix filesystem with its compatibility for SD cards through the SPI interface. Hence, supporting the Fuzix operating system. The full set of Fuzix binaries is available through a serial console to UART0. Porting Fuzix to ESP8266 The post on “Porting Fuzix to the ESP8266” addresses the MCU’s support for the Fuzix […]

November 18, 2020November 17, 2020 by Abhishek Jadhav - 11 Comments

ELBE is a simpler alternative to Yocto/OpenEmbedded and Buildroot

To support embedded design, there are several options when it comes to choosing an operating system (OS). Some of the traditional approaches to building custom Linux systems is to use built systems such as Yocto/OpenEmbedded or Buildroot. The options available for system integration include building everything manually, binary distributions (Debian, Ubuntu, Fedora, etc.), and build systems (Buildroot, Yocto, PTXdist, etc.). The major drawback of build systems is that they are not as easy as a binary distribution and also the build time is more. Why was ELBE born? In the early days, the embedded devices had 4MiB flash and 16MiB of RAM. With these specifications, people started to hack a root file system for their devices. But in some cases, they had to start with building a cross-toolchain first. For this, tools like OpenEmbedded, Buildroot are good as long as they are well maintained. For this, a lot of libraries […]

February 13, 2018February 13, 2018 by Jean-Luc Aufranc (CNXSoft) - No Comments

Tock Open Source OS for Secure IoT Systems Runs on Arm Cortex-M Microcontrollers

We already have a fair share of open source operating systems running on Arm Cortex-M microcontrollers with FreeRTOS, mbed OS, Zephyr OS, RIOT, and many others. Earlier this morning, as I wrote about the Embedded Linux and IoT Summit 2018, I discovered you can now also add Tock to the list, with the operating system specifically designed for (secure) IoT on Arm Cortex-M MCUs. According to the abstract, Tock aims to enable more secure and extensible IoT systems by using a language sandbox and hardware enforced mechanism to isolate third-party and other untrusted code in the system. The operating systems is comprised of three components: A trusted core kernel written in Rust language with a HAL, scheduler and platform-specific configuration Capsules compiled with the kernel and use Rust’s type and module systems for safety; typically used for drivers & virtualization layers User-space processes using the MPU for hardware protection at runtime; […]

June 15, 2016June 15, 2016 by Jean-Luc Aufranc (CNXSoft) - 7 Comments

Apache Mynewt RTOS for IoT Includes an Open Source Bluetooth 4.2 LE Stack for MCUs

The Apache Software Foundation has recently released version 0.9 Apache Mynewt open source real-time operating systems for micro-controllers under… an Apache 2.0 license. The RTOS works on STMicro STM32 Cortex-M4, and Arduino Zero / M0 Cortex-M0 boards, but they’ve also implemented the first open source Bluetooth Low Energy stack for MCUs, starting with support for Nordic Semi nRF52 Cortex-M4 and nRF51 Cortex-M1 evaluation boards, and acting as a replacement for Nordic SoftDevice Bluetooth Smart / LE solution. The operating system competes with ARM mbed, the Zephyr Project, and RIoT, but the foundation claims it is the only one that’s both community driven and permissively licensed (Apache 2.0) project in the embedded space. The OS is modular and can be configured with a Go-like build and package management tool with components such as secure boot loader, flash file system and TLV storage mechanism, rich logging infrastructure, circular buffering schemes, and Bluetooth […]

May 1, 2012June 18, 2018 by Jean-Luc Aufranc (CNXSoft) - 2 Comments

Tizen 1.0 SDK and Source Code Release

The Tizen Technical Steering Group has announced, today, the release of Tizen 1.0 “Larkspur”. Tizen 1.0 release provides several new SDK features and improvements including: Simulator: A new browser-based tool that supports the Tizen APIs and allows you to run and debug your web applications, and simulate running applications with various device profiles. IDE: Enhancements include more flexibility around templates and debugging tools. Emulator: Significantly improved emulator performance through Intel’s Hardware Acceleration Manager for Windows and OpenGL acceleration for Linux. Updates to the platform source code include: Web: Support for additional features of W3C/HTML5 specification Location: Support for POI (Point of Interest) and route search Connectivity: Wi-Fi Direct key features added You can see the full list of changes by reading the release notes for the SDK and the source code. Tizen has also added a bug tracker and a wiki for the community and a few back-end changes have been […]

March 1, 2012March 1, 2012 by Jean-Luc Aufranc (CNXSoft) - 1 Comment

B2G (Boot to Gecko) Video Demo at MWC 2012

B2G (Boot to Gecko) is an open source HTML5-based operating system targeting mobile devices by the Mozilla Foundation. This OS runs on top of Linux and uses Firefox as the web browser. You can get further details on my previous post “Mozilla Boot to Gecko (B2G) OS Is Coming to Your Smartphone“. As previously announced, Mozilla showcased B2G on a Samsung Galaxy S2 at Mobile World Congress 2012. Every apps are written in HTML5 including the camera application that uses HTML5 Media Capture and Canvas for real-time effects. Engadget was there and shot the video demo below. If you have a Samsung Galaxy S2, you can build and try it on your device. This is experimental, so there is always the risk of bricking your phone. Jean-Luc Aufranc (CNXSoft)Jean-Luc started CNX Software in 2010 as a part-time endeavor, before quitting his job as a software engineering manager, and starting to […]

February 28, 2012June 18, 2018 by Jean-Luc Aufranc (CNXSoft) - No Comments

Tizen Releases Beta Source Code and SDK

Back in January, Tizen preview SDK and source code was made available. Today, Tizen has released the beta source code and SDK. Here are the main changes compared with the code preview: SDK support for Windows, in addition to Ubuntu SDK source code is now available Tizen Web UI framework extends jQuery Mobile to make developing web applications easier with optimized widgets. Tizen Web API provides more features, such as setting an alarm, accessing media contents, retrieving system information, and more. Tizen uses a bootloader based on U-Boot. The Tizen team emphasizes that this version is Beta and that it is not yet designed for use to create production applications. Since Windows is now supported, the development machine requirements have slightly changed as follows: Ubuntu 10.04/10.10/11.04/11.10 32-bit, Windows XP SP3/7 32-bit (Mac version will be available soon) At least dual-core 2 GHz CPU (recommend VTx supported by CPU) At least […]

February 16, 2012February 16, 2012 by Jean-Luc Aufranc (CNXSoft) - 1 Comment

Mozilla Boot to Gecko (B2G) OS Is Coming to Your Smartphone

Mozilla, non-profit organization, well known for its Firefox web browser and Thunderbird mail client has recently moved to the mobile space with Firefox for Android browser for smartphones and tablets. However they intend to go even further by releasing a mobile operating systems named Boot to Gecko (B2G) competing directly with Android, iOS and Windows Phone. Mozilla mobile operating system will use web standards (like Tizen does) and the goal is to displace proprietary, single-vendor stacks for application development (e.g. Android, iOS, WP7). The OS itself will relies on the Linux kernel and some open source libraries and the B2G applications will be written using HTML5/Javascript/CSS3 standard. Basically, it will boot Linux and use the Gecko engine (like in Firefox) to render application in a way similar to what Google does with Chrome OS. The HTML5-based user interface of B2G is called Gaia and is a collection of web apps. […]