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https://github.com/meshtastic/firmware.git
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5edc63ea7269f8286e976f40d0cabb46dc2a72e1
The 4403-session crash is fixed and hardware-verified, so the handoff now records the full causal chain (missing BOARD_HAS_PSRAM -> PSRAM never in heap -> bad_alloc abort in the connect-time manifest walk) instead of an open bug. The coredump section becomes the recipe that actually worked, including the discovery that a panic reboot leaves the USB pads with the OTG controller - there is no USB-Serial-JTAG window to race after a crash; only a power-on reset or BOOT+RST brings the port back. New traps: the Kconfig choice-collision that silently discards coredump config, Homebrew's pio 6.1.18 uninstalling the platform, and BOARD_HAS_PSRAM being mandatory on PSRAM boards. The cross-core tud_network_can_xmit() theory moves to ruled-out-as-the-crash but stays in the backlog as a real threading-contract violation with a proposed one-line fix.
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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