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Nanopb - Protocol Buffers for Embedded Systems (Small Code Size)
Nanopb is a small, portable implementation of Protocol Buffers designed for embedded systems and low-resource environments. It provides efficient serialization and deserialization with minimal code size.
C
Added on 2025年7月6日4,749
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LanguageProject Introduction
Summary
Nanopb is a Protocol Buffers library for microcontrollers and other restricted systems. It includes a code generator that converts .proto files into C code optimized for small size and high performance on constrained hardware.
Problem Solved
The standard Protocol Buffers implementations, while powerful, often have significant code size and memory requirements, making them unsuitable for deeply embedded systems with limited resources. Nanopb solves this by providing a lightweight alternative.
Core Features
Minimal Code Size
Generates extremely small C code from .proto definitions, ideal for memory-constrained devices.
High Portability (C)
Written in clean C, making it highly portable across different architectures and compilers.
Efficient Encoding/Decoding
Provides flexible API for encoding and decoding messages with control over buffer usage.
Tech Stack
C
Python (for generator)
Use Cases
Nanopb is particularly well-suited for scenarios where data exchange is needed on devices with limited resources:
Embedded Device Telemetry
Details
Sending sensor readings or device status updates from a microcontroller (like STM32, ESP32) to a gateway or server using minimal RAM and flash.
User Value
Enables structured data communication on devices that cannot run standard libraries, reducing resource usage and power consumption.
Inter-Device Communication in IoT
Details
Defining communication protocols for device-to-device or device-to-mobile application communication in an IoT network.
User Value
Provides a schema-driven, versionable, and compact data format suitable for potentially unreliable or low-speed network links between constrained devices.
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