We are pleased to announce the Mbed OS 5.9.1 release is now available. This is the latest patch release based on the feature set that Mbed OS 5.9 introduces.

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About this release

Mbed OS 5.9 includes the release of device statistics APIs, which allow you to gather critical device information. This is a first step toward giving you power to remotely diagnose the health of IoT devices deployed in the field. Mbed OS 5.9 focuses on mainlining and increasing adoption of low power features, such as the microsecond ticker, low power timer, sleep manager and real time clock APIs.

Power consumption is one of the most important design requirements for IoT devices. Meeting the power budget is becoming challenging as the systems today include more sensors, faster responses and more connectivity. With the introduction of, and improvements to, key low power features, such as the microsecond ticker, low power timer, sleep and real time clock APIs, meeting tight power requirements and designing low power systems becomes straightforward.

This release also continues our efforts to add comprehensive documentation for Mbed OS. Our ongoing efforts in this area include adding documentation to our connectivity, RTOS and storage APIs, as well as information about our configuration system.

In addition, this release contains many minor fixes and enhancements and brings support for 135 target development boards. In the release note below, we summarize some of the key updates to Mbed OS that are part of the Mbed OS 5.9.0 release.

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We are pleased to announce the Mbed OS 5.8.6 release is now available. This is the last patch release based on the feature set that Mbed-OS-5.8 introduces.

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IoT機能によって既存の製品ラインを増強する企業や、新たな市場セグメント向けに革新的なソリューションを開発する企業によって、IoT市場の急速な拡大が進んでいます。

しかし多くの場合、そうした企業には、オンボード・ソリューションをゼロから設計し、特定の通信プロトコルの機能をフル活用するための時間やリソースも、世界の各地域で無線通信の技術基準に適合し、その証明を取得するための専門知識もありません。 そうした企業にとって、モジュール・メーカーが提供するソリューションが活路となります。モジュール・ソリューションを用いることで、自社製品に強固な技術的基盤を導入し、事前検証済みの機能を組み込むことが可能になります。

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This is a guest blog post by Hannes Tschofenig, Senior Principal Engineer at Arm.

OMA SpecWorks: a new beginning

Several organizations are working on technical specifications to improve interoperability and security within Internet of Things (IoT), and Arm contributes to several of them. The end of March merger of the Open Mobile Alliance (OMA) with the IP Smart Object (IPSO) Alliance resulted in the establishment of a new organization - OMA SpecWorks. As a former board member of the IPSO Alliance, I have supported this development, particularly as it will lead to better integration of the smart object development into the IoT device management solution developed by the OMA.

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Come join us for our fourth Office Hours with an Engineer live stream, where we'll talk with Chris Haster from the Mbed OS core team about the Event Queue API in Mbed OS. We will detail how to use the Event Queue API to make asynchronous event handlers, similar to how you can in Javascript, but on MCU's!

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Try the simulator directly in the browser: Open Simulator

While we have worked hard to improve embedded development tooling in Mbed (e.g. via the Online Compiler), the development for microcontrollers is still very similar to how it was in the 90s. Compilation is slow, and flashing is even slower. When fixing a bug, you need to get the device into the exact state as it was in before encountering the bug. This makes for a very slow feedback loop, which hinders productivity and often pulls you out of the zone.

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We are pleased to announce the Mbed OS 5.8.5 release is now available. This is the latest patch release based on the feature set that Mbed-OS-5.8 introduces.

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Come join us for our third biweekly Office Hours with an Engineer live stream, where we'll talk with Senthil Ramakrishnan from the Mbed OS core team about crash dump analysis on Mbed OS. We'll detail how to log crashes and how to analyze some of the worst debug scenarios, so you can avoid them in your code.

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As a follow-up to my previous blog post, this tutorial will show you how to utilize the emWin graphics library for use with Mbed OS by utilizing NXP's emWin demo applications on an LPCXpresso54608 board.

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