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Meshtastic device firmware
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There are certain GPS chips that have a hard-coded time in firmware that they will return before lock. We set our own hard-coded time, BUILD_EPOCH, that should be newer and use the comparison to not set a bad time. In https://github.com/meshtastic/firmware/pull/7261 we introduced the RTCSetResult and improved it in https://github.com/meshtastic/firmware/pull/7375 . However, the original try-fix left logic in GPS.cpp that could still result in broadcasting the bad time. Further, as part of our fix we cleared the GPS buffer if we didn't get a good time. The mesh was hurting at the time, so this was a reasonable approach. However, given time tends to come in when we're trying to get early lock, this had the potential side effect of throwing away valuable information to get position lock. This change reverses the clearBuffer and changes the logic so if time is not set it will not be broadcast. Fixes https://github.com/meshtastic/firmware/issues/7771 Fixes https://github.com/meshtastic/firmware/issues/7750 |
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| LICENSE | ||
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| SECURITY.md | ||
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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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