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HomeOpinions & PeopleMircoEJ: Creation of IoT Software for ARM Cortex-M and Cortex-A Processors

MircoEJ: Creation of IoT Software for ARM Cortex-M and Cortex-A Processors

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MicroEJ OS operating system powers embedded, wearable and Internet of Things (IoT) devices that run on ARM microprocessor cores.

The system brings cross ARM architecture portability as it enables binary software portability across ARM-based devices. Based on a multi-application secure engine that provides a virtualization layer, it enables applications written in the Java language to run as is (no reprogramming or recompiling required) on all supported processors. The rich set of pre-integrated libraries and application programming interfaces (API), and the full set of development tools based on Eclipse, ensure fast development of quality software. APIs include graphical user interface (GUI), networking and security, connectivity and inputs/outputs.


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Management of multiple wired and wireless physical connectivity layers and transport layers, based on the Internet Protocol (IP) or on proprietary protocols, is also enabled by MicroEJ. Supporting a full suite of IP-based stacks for interoperability with web services and IoT cloud platforms for device management and data streaming, MicroEJ OS enables a richer IoT user experience as it allows dynamic installation and uninstallation of apps from the cloud for flexible software content management. Online infrastructure for publishing and downloading apps is provided by MicroEJ Store.

Enhanced software execution capabilities are also offered by MicroEJ, as it provides a framework that enables running multiple apps safely in their own sandbox. Running apps in isolation from the system and from each other means they have a minimal footprint overhead of a few kilobytes.

MicroEJ OS supports ARM Cortex-M and Cortex-A processors, including Cortex-M0+, Cortex-M3, Cortex-M4, Cortex-M7, Cortex-A5, Cortex-A7 and Cortex-A9, as well as heterogeneous multicore systems containing both Cortex-A and Cortex-M processors. Devices from a wide range of semiconductor vendors are supported, including NXP, Renesas Electronics and STMicroelectronics.


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