Telemetry
This section describes how to configure Telemetry.
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This section describes how to configure Telemetry.
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You can use Telemetry 1 or 2 of Pixhawk for connection with XBLink via COM1 (Default), COM2 or COM3 port.
More information for pinout of COM Port, please click to Pinout - Interface
a. Telemetry Host port
TCP telemetry server port, Ground Control Station can connect to this port via TCP to get telemetry data. Default is 5760 (or 5761, please see on XBStationPilotApp)
b. Telemetry stream protocol
Telemetry data is relayed through internet in 2 connections method:
UDP to archive minimize latency (possible packet loss, suitable for Joystick mode)
TCP method to achieve high reliability (default)
a. Serial Port
Port allows you to choose serial port on companion computer
The companion computer will show all available port (ttyS0, ttyUSB0, ttyUSB1…). You have to choose exactly serial port. If you don’t know name port, you can try them one by one.
Choose option is ttyS0 if you connect to COM1 ( ttyAMA4 -> COM2 or ttyAMA5 -> COM3)
b. Serial Baudrate
Baudrate allows you to choose serial baudrate on companion computer
The baudrate on companion computer have to same the baudrate (telemetry 2) on Pixhawk
With PX4: SER_TEL2_BAUD (Default 921600), you should change 57600 for stable and save data.
With ArduPilot : SERIAL2_BAUD (Default 57, it means 57600), SERIAL2_PROTOCOL: 2 (MAVLink 2)
If you have problem with Telemetry 2 port, you can use Telemetry 1 Port
(Default baud rate Telemetry 1 is 57600 and SERIAL1_PROTOCOL = 2)
Open Mission Planner, at the top-right, choose TCP type and Connect.
Host name/ip: 127.0.0.1 (default)
Remote port: 5760 (default) or 5761 (remember it must be same Telemetry Host Port in PilotApp)
Open QGroundControl -> Comm Links -> choose TCP type
Enter Host name/ip: 127.0.0.1 (default)
Remote port: 5760 or 5761 (remember it must be same Telemetry Host Port in PilotApp)
