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A terminal UI for inspecting MAVLink traffic in real time.

Features

• Stream panel — one row per unique message type (keyed by system/component/name), updated in place with seconds since last message
• Events panel — chronological log of command, mission, param, and other one-shot messages
• Message detail panel — shows all fields of the currently selected message
• Color-coded by system/component ID and message category
• Selection cursor with Vim-style navigation (j/k, g/G, PgUp/PgDn) and Tab/arrow keys to switch panels
• Ctrl+O opens the MAVLink docs for the selected message
• MAVLink v2, any connection URI supported by the mavlink crate (udpin:, tcpin:, serial:, etc.)

Install

Check Releases for binaries and installers

Usage

mavsnark --uri udpin:0.0.0.0:14445

The default URI is udpin:0.0.0.0:14445.

Test setup

Enable telemetry forwarding in QGroundControl, then:

docker run --rm -it jonasvautherin/px4-gazebo-headless:1.16.1