Open-source alternatives to QuantumLeaps Qpc

Library provides generic FIFO ring buffer implementation.

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For information about how to use the cmockery unit testing framework see doc/index.html.

EasyLogger is a lightweight C/C++ logging library and asynchronous framework designed for embedded systems, IoT devices, and wearables. It functions as a resource-efficient logger and flash memory manager, providing tools for low-level debugging and system event recording with minimal ROM and RAM requirements. The project distinguishes itself through an asynchronous logging model that buffers messages to a separate thread, preventing logging operations from blocking real-time application execution. It includes a specialized flash memory manager that utilizes circular buffering to persist logs

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Pigweed is an open source collection of embedded-targeted libraries--or as we like to call them, modules. These modules are building blocks and infrastructure that enable faster and more reliable development on small-footprint MMU-less 32-bit microcontrollers like the STMicroelectronics…

details in doc directory

简单说来，SmartTimer是一个轻量级的基于STM32的定时器调度器，在单片机”裸跑”的情况下，可以很方便的实现异步编程。

Simple .INI file parser in C, good for embedded systems

MultiTimer 是一个软件定时器扩展模块，可无限扩展你所需的定时器任务，取代传统的标志位判断方式， 更优雅更便捷地管理程序的时间触发时序。

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FFmpeg is a cross-platform multimedia framework designed for the recording, conversion, and streaming of audio and video content. It functions as a comprehensive toolkit that provides both a command-line utility for direct media manipulation and a collection of low-level libraries for integration into custom applications. At its core, the project utilizes a packet-based stream engine and a format-agnostic abstraction layer to handle diverse media standards, containers, and network protocols. The framework distinguishes itself through a modular, graph-based filter execution model that allows f

ToolKit是一套应用于嵌入式系统的通用工具包，可灵活应用到有无RTOS的程序中，采用C语言面向对象的思路实现各个功能，尽可能最大化的复用代码，目前为止工具包包含：循环队列、软件定时器、事件集。

Lightweight IoT device information storage solution: KV/IAP/LOG. | 轻量级物联网设备信息存储方案：参数存储、在线升级及日志存储 ，全新一代版本请移步至 https://github.com/armink/FlashDB

cJSON is a lightweight library for parsing, creating, and modifying JSON data structures within C applications. It provides a comprehensive set of utilities for transforming raw text into navigable objects, manipulating data fields within collections, and serializing complex structures into formatted or unformatted strings. The library is designed for memory-sensitive and resource-constrained environments, utilizing manual memory management and type-tagged union structures to maintain a minimal footprint. It employs recursive descent parsing and in-place string manipulation to process data ef

Have a look at open issues, they contain the list of algorithms/DS we plan to be implemented. You can also create a new issue for an algorithm that is not in the list. Fork the repository. Clone the repo. to your local system. Add the algorithms/codes that you want to contribute (and properly…

SFUD 是一款开源的串行 SPI Flash 通用驱动库。由于现有市面的串行 Flash 种类居多，各个 Flash 的规格及命令存在差异， SFUD 就是为了解决这些 Flash 的差异现状而设计，让我们的产品能够支持不同品牌及规格的 Flash，提高了涉及到 Flash 功能的软件的可重用性及可扩展性，同时也可以规避 Flash 缺货或停产给产品所带来的风险。

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Mosquitto is an MQTT message broker and IoT messaging server designed to route data between publishers and subscribers. It functions as a centralized network hub that enables lightweight communication between distributed sensors, controllers, and other internet-of-things devices. The project includes an MQTT bridging gateway used to link separate brokers, allowing traffic to be routed and synchronized across different network locations or security zones. It also provides a client implementation for connecting to and interacting with the broker. The system manages topic-based message routing

This directory contains the sources of the libcstl Library. See the file "VERSION" for what release version you have. libcstl is the use of C language, a common data structure and used algorithms library, which mimic the interface and the SGI STL to achieve.

Mbed TLS is an open-source TLS and DTLS library with a small footprint, designed for embedded systems and IoT devices. It provides a portable cryptographic library that includes symmetric ciphers, hashing, and public-key cryptography, along with a reference implementation of the PSA Cryptography API for standardized cryptographic operations across platforms. The library also offers X.509 certificate management for parsing, validating, and managing certificate chains in secure communications. The library is built around a platform abstraction layer that decouples it from OS-specific services t

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LibU is a multiplatform utility library written in C, with APIs for handling memory allocation, networking and URI parsing, string manipulation, debugging, and logging in a very compact way, plus many other miscellaneous tasks

一个功能强大的嵌入式shell