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The official firmware for Meshtastic, an open-source, off-grid mesh communication system.
https://meshtastic.org
28f53d132aThis is a non-breaking change that increases the internal representation of node counts from uint8_t (max 255) to uint16_t (max 65535) to support larger mesh networks, particularly on ESP32-S3 devices with PSRAM. Changes: - NodeStatus: numOnline, numTotal, lastNumTotal (uint8_t -> uint16_t) - ProtobufModule: numOnlineNodes (uint8_t -> uint16_t) - MapApplet: loop counters changed to size_t for consistency with getNumMeshNodes() - NodeStatus: Fixed log format to use %u for unsigned integers Note: Default class methods keep uint32_t for numOnlineNodes parameter to match the public API and allow flexibility, even though internal node counts use uint16_t (max 65535 nodes). This change does NOT affect protobuf definitions, maintaining wire compatibility with existing clients and devices. |
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Meshtastic Firmware
Overview
This repository contains the official device firmware for Meshtastic, an open-source LoRa mesh networking project designed for long-range, low-power communication without relying on internet or cellular infrastructure. The firmware supports various hardware platforms, including ESP32, nRF52, RP2040/RP2350, and Linux-based devices.
Meshtastic enables text messaging, location sharing, and telemetry over a decentralized mesh network, making it ideal for outdoor adventures, emergency preparedness, and remote operations.
Get Started
- 🔧 Building Instructions – Learn how to compile the firmware from source.
- ⚡ Flashing Instructions – Install or update the firmware on your device.
Join our community and help improve Meshtastic! 🚀
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