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RT-Thread is an open-source real-time operating system (RTOS) for embedded systems and Internet of things (IoT).[1][2] It is developed by the RT-Thread Development Team based in China. RT-Thread is aimed to change the current situation in China that there is no well used open-source real-time operating system in the microcontroller field.
| Developer | Bernard Xiong & RT-Thread Team |
|---|---|
| Written in | C |
| Working state | Current |
| Source model | Open source |
| Initial release | 2006 |
| Latest release | 4.0.3 / December 31, 2020 |
| Repository | |
| Marketing target | Embedded systems, IoT |
| Platforms | ARM (Cortex-M0, -M3, -M4, -M7, -M23, -R4, -A8, -A9; ARM7, ARM9, ARM11), MIPS32, RISC-V, ARC, TMS320 DSP, C-Sky, x86 |
| Kernel type | Monolithic |
| License | Apache 2.0 |
| Official website | www |
As of August 2020[update], RT-Thread was reported to be #3 on the list of RTOSes with the largest number of contributors (behind Zephyr and Mbed).[3]
In 2006, RT-Thread began as an open-source real-time operating system (RTOS) that is mainly written in the programming language C. In 2017, a second variant was released for resource-constrained microcontrollers; it needs a minimum of 3 kB flash memory or read-only memory (ROM) and 1.2 kB random-access memory (RAM). Also, RT-Thread's first variant was named Standard, and second variant was named Nano.[1][2]
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