uploaded 2 days ago
Lightweight event-driven message bus for ESP-IDF with string-based routing, pattern matching, and zero-allocation design
changelog
# Changelog All notable changes to this project will be documented in this file. The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/), and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html). ## [1.0.1] - 2025-DEC-12 ### Added - Unit tests with Unity framework (22 test cases) - Memory leak detection using heap_caps API - Heap integrity verification after stress tests ## [1.0.0] - 2025-DEC-12 ### Added - Initial release - Core message bus with request/response pattern - Event system with publish/subscribe - Pattern matching with wildcards (`*`, `?`) - Zero-allocation design with user buffers - Service loop for lightweight modules (tick, after, every) - Built-in Button module with debounce, long press, double press detection - Built-in LED module with on/off/toggle/blink - Zero-code routing (`esp_bus_on`) to connect events to requests - Transform functions for dynamic routing - Kconfig configuration options - Examples: basic, subscription ### Features - **Loose Coupling**: Modules only depend on esp_bus - **Pattern Matching**: String-based routing with wildcards - **Zero Allocation**: User buffer pattern in hot path - **Shared Task**: Multiple lightweight modules in single task - **Schema Support**: Optional action/event schema for validation
Links
Maintainer
- Tuan PM <tuanpm@live.com>
License: MIT
To add this component to your project, run:
download archive
idf.py add-dependency "tuanpmt/esp_bus^1.0.1"
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