Huawei Lite OS is a discontinued lightweight real-time operating system (RTOS) developed by Huawei. ^[1] It is an open source, POSIX compliant operating system for Internet of things (IoT) devices, released under a three-clause BSD license. ^[2] 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 LiteOS is part of Huawei's '1+8+N' Internet of Things solution, and has been featured in a number of open source development kits and industry offerings. ^[3]

Smartwatches by Huawei and its former Honor brand run LiteOS. ^{[4] [5]} LiteOS variants of kernels has since been incorporated into the IoT-oriented HarmonyOS with open source OpenHarmony.

History

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

Key features

• Lightweight, small kernel; <10  kilobytes (kB) ^{[2] [1]}
• 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

See also

• Embedded operating system
• HarmonyOS
• OpenHarmony
• HarmonyOS NEXT
• WearOS

References