RT-Thread | An Open Source Embedded Real-time Operating System

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Rich Components

Device virtual file system

Supports FAT, UFFS, NFSv3, ROMFS, RAMFS, etc.

Device management framework

Uses a unified interface to access the hardware peripherals.

Low power management framework

The system can go to sleep mode automatically, and supports dynamic voltage and frequency scaling.

Hardware encryption &decryption framework

Supports algorithms such as hash, symmetric, gcm, etc.

Protocol stack

Supports Ethernet, Wi-Fi, Bluetooth, NB-IoT, 2G | 3G | 4G, Http, MQTT, and LwM2M, etc.

Remote upgrade FOTA

Safe and reliable, and which supports encryption, anti-tampering, breakpoint resume, intelligent restoration, backtracking and other mechanisms.

Dynamic modules

The dynamic modules and the kernel can be compiled separately, and at runtime, the compiled dynamic modules are loaded into the kernel to run.

Third-party components

Support Yaffs2, Sqlite, FreeModbus, Canopen, etc.

Great Portability & Software Ecology

Supports mainstream chip architecture

Such as ARM Cortex-M, MIPS, X86, Xtensa, C-Sky, RISC-V, ARC, etc.

Unified interface specification

Various MCUs and their peripheral interfaces are highly abstracted and the programming interfaces are unified.

POSIX interface

Easy to port Linux or Unix programs to RT-Thread. Support for File I/O, Signals, PThreads, IPC, etc.

Seamless application migration

Follows highly reusable software design principles, one-time programming, permanent use.

Multiple compiling tools

Such as Keil, IAR, GCC, Eclipse, Visual Studio and RT-Thread Studio development environment, etc.

Rich BSPs and porting templates

Lots of BSPs as well as porting templates that can be quickly ported to the target chip based on the porting template.

Tiny & Elegant

Small in Size

RT-Thread has a Nano version with a very small size and refined hard real-time kernel, which requires only 3KB of ROM and 1.2 KB of RAM.

Feature-rich

RT-Thread has rich features, such as, hard real-time scheduler, thread management, interthread synchronization and communication, clock management, interrupt management, memory management, etc.

RT-Thread Studio

RT-Thread studio is one-stop development tool, it has easy-to-use graphical configuration system and a wealth of software packages and components resources, which makes IoT development simple and efficient.

Community version is free forever.
Easy-to-use engineering creation wizard can quickly validate prototypes.
Brand new graphical configuration system, which supports both schema diagram and tree diagram configuration.
Software package market offers a variety of package resources.

Learn More

Latest News

News

News | Jan.12.2022

RT-Thread Announces Partnership with Open Source LVGL

RT-Thread is thrilled to start an exciting journey with LVGL, the open-source graphics library for embedded GUI.

Blog

Blog | Aug.15.2022

Fingerprint Door Lock Based on RT-Thread and RA6M4

I developed an IoT fingerprint door lock based on the open-source RT-Thread IoT operating system and the RA6M4 development board; The hardware includes an ESP8266WIFI module, ATK-301 fingerprint module, RC522NFC module, RA6M4 main control board, etc. The software realizes Alibaba Cloud’s Smart WIFI to automatically finish the network configuration, APP remote to unlock the door, NFC to unlock the door, fingerprint registration, fingerprint unlocking, and many other functions.

Announcement

Announcement | Otc.20.2022

Embedded GUI Contest Winners Announcement!

Dear Participants. On behave of the Contest Partners and Contest Host of the Embedded GUI Event, we want to send a massive thanks to anybody who participated in our contest and helped make it a success! Thank you all for your creativity and passion which is evident in each project you turned in!