1b95b36530
LVGL UI, 350 contacts / 40 channels, HybridMessageStore (RAM+LittleFS), journaled writes, full routing stack (flood, variable path hash, path discovery, repeater admin, active discovery), notification sounds. Serial companion for meshcore-cli compat. OTA/WiFi/deep sleep/BLE architected but disabled for v1. 7 development phases from HAL bringup through integration testing. Existing code reconciliation mapped out.
MESHTANIC
Open-source MeshCore firmware for the LilyGo T-Deck Plus.
Replaces the proprietary Ripple/MeshOS firmware with a clean-room implementation that speaks the MeshCore protocol natively. Interoperates with existing MeshCore nodes (Heltec V3, Ripple devices). No premium gates, no license tiers, no registration locks.
Status
v0.1.0 — Project scaffold. Hardware bringup in progress.
Hardware
| Component | Chip | Interface |
|---|---|---|
| SoC | ESP32-S3FN16R8 | 240MHz dual-core, 16MB flash, 8MB PSRAM |
| LoRa | SX1262 | SPI |
| Display | ST7789 320x240 | SPI |
| Keyboard | ESP32-C3 | I2C (0x55) |
| GPS | u-blox | UART |
| Speaker | MAX98357A | I2S |
| Mic | ES7210 | I2S |
What This Is
- Open-source firmware for T-Deck hardware
- Speaks MeshCore wire protocol (compatible with Ripple/MeshOS nodes on the mesh)
- Has its own UI
- Clean-room implementation from meshcore-cli (MIT)
What This Is Not
- Not a Meshtastic fork (different protocol)
- Not a binary patch of MeshOS
- Not an emulator of proprietary firmware
Building
Requires PlatformIO.
pio run -e meshtanic-tdeck
pio run -t upload
pio device monitor
Development Phases
- Hardware Bringup — Boot, peripherals, display, keyboard, radio init
- Radio + Basic Mesh — LoRa TX/RX, packet codec, advertisements
- MeshCore Protocol — Encryption, channels, contacts, routing
- Companion Interface — Serial/BLE compatibility with meshcore-cli
- UI — On-device chat, contacts, channels, settings
- Polish — GPS sharing, telemetry, OTA, power management
Protocol Reference
Primary source: meshcore-cli Python library (MIT). Secondary: meshcore-open Flutter client (MIT).
License
MIT