Super-Simple-Tasker
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| Super-Simple-Tasker | PIF-Image-Format | |
|---|---|---|
| 3 | 1 | |
| 130 | 80 | |
| 0.8% | - | |
| 4.8 | 5.7 | |
| 2 months ago | 7 months ago | |
| C | C | |
| MIT License | GNU Lesser General Public License v3.0 only |
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Super-Simple-Tasker
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At what point would you consider using an RTOS?
Lately I have been working with interrupt driven task frameworks on ARM Cortex-M. Basically they are using the ARM NVIC as a task scheduler. Examples for C/C++ include this one: Super Simple Tasker. For Rust there is RTIC. Both are based on similar ideas of using NVIC as scheduling engine. Very efficient resource-wise but use a somewhat different programming paradigm than traditional RTOS threads.
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Seeking Innovative Project Suggestions
Take a look at the open-source Super-Simple Tasker project on GitHub. This project implements a preemptive RTOS/scheduler in the hardware of the ARM Cortex-M. It is related to such concepts and projects as:
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How to deal with fast control loops in a RTOS environment?
I agree with KenaDra that such a kernel would be ideal for fast control loops and hard real-time requirements, so the OP should definitely take a look. Specifically for STM32 (ARM Cortex-M), there are some hardware implementations of such kernels that take advantage of the NVIC. An example is the SST for ARM Cortex-M. This kernel will outperform any traditional RTOS kernel on Cortex-M.
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What are some alternatives?
lwesp - Lightweight and versatile AT parser library for ESP8266 and ESP32 devices.
modern-embedded-programming-course - Companion repository to the "Modern Embedded Systems Programming" video course.
rulos - Ravenna Ultra-Low-Altitude Operating System: An embedded OS for AVR and ARM CPUs
MuditaOS - Mobile operating system based on FreeRTOS™ optimized for E Ink displays - developed for Mudita Pure minimalist phone
crect - A C++, compile-time, reactive RTOS for the Stack Resource Policy based Real-Time For the Masses kernel
riscv_em - Simple risc-v emulator, able to run linux, written in C.
qpcpp - QP/C++ Real-Time Embedded Framework/RTOS for embedded systems based on active objects (actors) and hierarchical state machines
nanoMODBUS - A compact MODBUS RTU/TCP C library for embedded/microcontrollers