LiteOS

Huawei LiteOS is a discontinued lightweight real-time operating system (RTOS) developed by Huawei. It is a POSIX compliant operating system for Internet of things (IoT) devices, and free and open-source software, released under a BSD 3-clause license. Microcontrollers of different architectures such as ARM (M0/3/4/7, A7/17/53, ARM9/11), x86, and RISC-V are supported by the project. Huawei's LiteOS is part of their '1+8+N' Internet of things system, and has been featured in several open source software development kits and industry offerings.

Smartwatches by Huawei and its former Honor brand run LiteOS. LiteOS variants of kernels has since been incorporated currently into the IoT-oriented open source OpenHarmony kernel agnostic platform and classic HarmonyOS 4.x and earlier versions.

History On 20 May 2015, at the Huawei Network Conference, Huawei proposed the '1+2+1' Internet of Things solution and released the IoT operating system named Huawei LiteOS. It has been reported development of the real-time operating system goes back as far as 2012.

Key features

Lightweight, small kernel; <10 kilobytes (kB) Energy efficient Fast startup within milliseconds Support NB-IoT, Wi-Fi, Ethernet, BLE, Zigbee, and other different IoT protocols Support access to different cloud platforms

Supported architectures

ADI ADuCM4050 Atmel Atmel SAM D21 Xplained Pro ATSAM4S-XPRO ARDUINO ZERO PRO GigaDevice GD32F450I-EVAL GD32F190R-EVAL GD32F103C-EVAL GD32F150R-EVAL GD32F207C-EVAL GD32VF103 Huawei Hi3518 Kirin A1 MediaTek LINKIT7687HDK Microchip ATSAME70Q21 MindMotion MM32F103_MINI MM32L373 MM32L073PF Nuvoton Nordic Semi NRF52840-PDK NRF52-DK NXP LPC824_LITE LPC54110_BOARD FRDM-KW41Z FRDM-KL25Z Silicon Labs EFM32 Giant Gecko Starter Kit EFM32GG-STK3700 EFM32 Pearl Gecko Starter Kit SLSTK3401A EFM32 Happy Gecko Starter Kit SLSTK3400A STMicroelectronics STM32F411RE-NUCLEO STM32F412ZG-NUCLEO STM32F429I_DISCO STM32L476RG_NUCLEO STM32F746ZG_NUCLEO STM32F103RB-NUCLEO TI LAUNCHXL-CC3220SF

LiteOS

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