scmRTOS is tiny Real-Time Preemptive Operating System intended for use with Single-Chip Microcontrollers. scmRTOS is capable to run on small uCs with as little amount of RAM as 512 bytes. The RTOS is written on C++ and supports various platforms.
RTOS written in C++ for LPC23xx (ARM7) microcontroller. Also port for windows exists, but it is not fully functional yet.
Preemptive, powerfull RTOS which i use on PCM for Mustang 2005 V6 cologne engine.
Tiny operating system for running HCFSM-based systems
...Each task is activated either to be run in parallel (fork) with other active processes in the system or subordinated to the caller task, thus blocking it and creating a hierarchy of tasks. Execution of processes can be preemptive or non-preemptive and, among those with the same priority, a round-robin turn is performed.
This operating system can be used to illustrate these concepts and can also be used to suport the execution of some embedded systems.
Kmax 8bit microkernel for AVR ATMega MCUs written in assembler (AVRASM & GCC compatible) with a C API. Core features include priority-based preemptive round-robin scheduling, mutexes, fifos and semaphores with a focus on speed and ease of use.
Free and simply RTOS for AVR at assembler. So far, the AVR Studio is used as a development environment. The system supports the preemptive and cooperative multitasking modes, semaphores. Use a small amount of memory for tasks.
'EOS' is a fully-featured preemptive real time kernel developed for the Infineon XC167 microcontroller. Performance summary: A typical context switch will take about 100[microsecond] at 40[MHz], when all tasks have a stack of 256 bytes.
Estaño is a mini real-time operating system (RTOS) for microcontroller. Features: Fully preemptive multitasking, Low interrupt latency, Fast and constant context switching, semaphores, r/w semaphores, mailboxs, fifos, periodic and one-shot timers
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A small micro operating system kernel written in C (and partly assembly).
Planned features are: software based preemptive multitasking/threading, paging, kernel API, IPC, client/server, security system.
The code is designed to be clearly understandable.
T-OS is a real-time, preemptive, multitasking kernel designed for time-critical embedded application. T-OS is optimized for ARM architecture to exploit higher performance.
uSmartx is a non-preemptive, multitasking, priority based kernel for use in embedded designs. Its major features are task and time control over system resources, inter task communication and simple memory management.
ftRTOS is a tiny realtime kernel for microcontrollers focused on minimal RAM usage. Fixed priority scheduling, preemptive or cooperative multitasking, no dynamic task and memory management, all objects are defined at compile time.
A real time packet analysis utility that performs functions based on network events. MOAN contains a portscan detection utility which dynamically blocks IP's that portscan. MOAN is modular such that network analysis and preemptive actions may be added.
XMK is a preemptive multitasking kernel for microcontrollers. Its goal is to provide a RTOS small enough (RAM+ROM) to run on 8bit microcontrollers. XMK provides additional/optional features when scaling up to 16bit and 32bit platforms.
beetleOS is a small and flexible real time OS for embedded systems with preemptive multitasking. It also provides a lightweight device-driver framework. It is basically programmed for the ARM7 processor architecture but it could be ported to other archit