FreeRTOS-Kernel
RecordFlux
FreeRTOS-Kernel | RecordFlux | |
---|---|---|
12 | 2 | |
2,368 | 100 | |
4.6% | 0.0% | |
9.4 | 9.6 | |
2 days ago | 2 days ago | |
C | Ada | |
MIT License | GNU Affero General Public License v3.0 |
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FreeRTOS-Kernel
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what do people usually do to separate/abstract platform dependent codes/files
Here is the port - https://github.com/FreeRTOS/FreeRTOS-Kernel/tree/main/portable/ThirdParty/GCC/Posix
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TI CC2630: Having trouble deciding Contiki vs TI-RTOS
Freertos has support for generic cortex m3: https://github.com/FreeRTOS/FreeRTOS-Kernel/tree/main/portable/GCC/ARM_CM3 It could very well work almost out of the box with your mcu.
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Ted Ts'o: "As an OS engineer, I deeply despise these optimization tricks, since I personally I care about correctness and not corrupting user data far more than I care about execution speed"
the only OS written in iso c i found was RTOS and they have open bug reports due to strict aliasing in simple things like their linked list implementation, which they don't bother to fix because somehow that causes even more problems (?!): https://github.com/FreeRTOS/FreeRTOS-Kernel/pull/54
- HELP
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Arduino or full featured RTOS?
You likely put the requirements of POSIX just to have an excuse. Fyi, FreeRTOS kernel, the only thing you need, is here: https://github.com/FreeRTOS/FreeRTOS-Kernel/
- Ask HN: Examples of Microkernels?
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Ask HN: Embedded Projects to Learn From?
- https://github.com/FreeRTOS/FreeRTOS-Kernel (architecture, C)
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Nutshell custom memory allocators for me
FreeRTOS comes with 5 quite simple reference implementations of the heap memory allocator. You can study how it works.
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Using FreeRTOS and dual core RP2040
The main branch is single-core. You're looking for the SMP branch.
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C programmers scare me
On non-POSIX systems, malloc & free are implemented differently. EG FreeRTOS has some very simple malloc (and optionally free) implementations, eg heap_2.c (has malloc & free, but doesn't consolidate blocks), or heap_4.c (more complex, tries to prevent fragmentation by consolidating blocks, still less optmized & simpler than the glibc malloc/free used by most Linux systems).
RecordFlux
- Why isn't there a Swagger/OpenAPI for binary formats?
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Althttpd: Simple webserver in a single C-code file by the author of SQLite
RecordFlux[0] is a DSL written in Ada for specifying messages in a binary protocol. Code for parsing these messages is then generated automatically with a number of useful properties automatically proven including that no runtime errors will occur.
[0] https://github.com/Componolit/RecordFlux
What are some alternatives?
zephyr - Primary Git Repository for the Zephyr Project. Zephyr is a new generation, scalable, optimized, secure RTOS for multiple hardware architectures.
kaitai-to-wireshark - Converts a Kaitai Struct file description to a Wireshark LUA plugin
RIOT - RIOT - The friendly OS for IoT
darkhttpd - When you need a web server in a hurry.
mbed-os - Arm Mbed OS is a platform operating system designed for the internet of things
flsplit - Simple tool to split FL Studio project files by playlist track.
mongoose-os - Mongoose OS - an IoT Firmware Development Framework. Supported microcontrollers: ESP32, ESP8266, CC3220, CC3200, STM32F4, STM32L4, STM32F7. Amazon AWS IoT, Microsoft Azure, Google IoT Core integrated. Code in C or JavaScript.
grpc-swagger - Debugging gRPC application with swagger-ui.
nuttx - Apache NuttX is a mature, real-time embedded operating system (RTOS)
spark-by-example - SPARK by Example is an adaptation of ACSL by Example for SPARK 2014, a programming language which is a formally verified subset of Ada
TizenRT - TizenRT is a lightweight RTOS-based platform to support low-end IoT devices
acsl-by-example - Public snapshots of "ACSL by Example"