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Questions tagged [mavlink]

Mavlink is a community created and driven standards for Unmanned Systems, from air to ground to Underwater vehicles.

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LOCALAPPDATA not found in mavproxy.py

I have the following file /home/pi/mavproxy.sh which forwards the flight controller telemetry data using mavproxy to GCS(Ground Control Station) ...
Mubashir's user avatar
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20 views

How to takeoff multiple drone using mavros

I am using ros noetic with px4, mavros and gazebo 11. the following c++ script is working on single uav for takeoff ...
Mubashir's user avatar
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1 answer
71 views

Already higher than takeoff altitude(not descending)

I have the following Python code that arms and take off the UAV using pymavlink. I am using the px4 flight stake ...
Mubashir's user avatar
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1 answer
156 views

"roscpp" not working in ros2 humble

I migrated to ros2 humble. I had a project in ros1 noetic and wanted to run that on the new machine. For my project to work, I need mavros package. While installing it, I got errors as it depends on ...
Muhammad Qaisar Ali's user avatar
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1 answer
12 views

MAVROS PX4 Error Failed to Import Packaging

I'm following this tutorial: https://dev.px4.io/v1.9.0/en/ros/ I've run the build scripts: https://raw.githubusercontent.com/PX4/Devguide/v1.9.0/build_scripts/ubuntu_sim_ros_melodic.sh I've built my ...
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1 answer
366 views

Mavlink data parsing offline from buffer, on Linux in C

I am a beginner with mavlink and even pixahawk. I need to just parse mavlink data coming from pixahawk. (Mavlink v1, pixahawk v5plus), on Linux PC (Ubuntu). I have 2 processes in context of this ...
DevBee's user avatar
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1 vote
0 answers
201 views

Mission Planner: How to create a custom Waypoint Command

I am trying to set up a waypoint in Mission Planner that causes the drone to hover, take sensor data from a custom sensor, then either land or continue hovering based off of what the sensor data says. ...
Spencer's user avatar
  • 11
1 vote
0 answers
189 views

How can i do message packet signing using javascript/node js for MAVLink v2 messages

I am trying to control ardupilot using nodejs. My requirement is to use Javascript solution instead of Python/C. The mavlink.io page for supported languages shows javascript generated library has ...
Tech de Enigma's user avatar
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2 answers
3k views

roslaunch mavros px4.launch not working properly

when I run roslaunch mavros px4.launch command process start and shut down. ...
Yograj Singh Mandloi's user avatar
5 votes
1 answer
7k views

Creating MAVLink commands from python

I am struggling to find any clear documentation on how to create MAVlink commands using python. I am looking to create an autonomous glider and require some of the basic functions Retrieve GPS Data ...
car12398's user avatar
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1 answer
6 views

Mavros publishes messages as bursts

Hi, I have a pixhawk connected to an onboard computer over serial port (baud rate 57600). I get /mavros/local_position/odom at ~8 Hz. However, when I plot timestamps of the messages, I get a graph ...
Janindu's user avatar
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1 answer
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Launching multiple instances of same ROS node (with different names)

The problem is in simulating two independent different robots in Gazebo: Copter and Rover with same mavros functionality. (Two independent instances of mavros would do great) Can two instances of ...
user avatar
1 vote
1 answer
1k views

Change Message Interval ArduPilot

I am using Mavlink protocol (in c++) to communicate with the ArduPilotMega, I am able to read messages such as ATTITUDE for example. I am currently getting only 2Hz (message rate) and I would like to ...
A. Sarid's user avatar
  • 113
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1 answer
59 views

Basic understanding of MAVROS, Quadrocopter, UAV

Hey, I just want to ask if I understood that right: MAVROS or better the MAVLink communication protocol con be used to communicate between a companion computer(with ROS installed on an Ubuntu OS) ...
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1 answer
6 views

Interface Pixhawk with hector_slam / AMCL

Hi everybody, I am developing an autonomous indoor quadrotor. For the moment everything was simulated on Gazebo and worked well. Now I want to push everything on a real drone and make use of both a ...
user avatar
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1 answer
2 views

build newest mavlink(2015.12.12) in ros indigo

Hi, I try to build newest mavlink (2015.12.12) and mavros (0.16.3) in odroid xu4 installed ubuntu 14.04 and ros indigo followed mavros source installation. I am using ...
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1 answer
3 views

Building mavros fail

Hi, all I am having trouble with catkin_make mavros package error recently. It kept failing and saying: ...
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3 answers
14 views

catkin_make package that uses mavros_msgs

Hi, I am working on a package to test the idea of controlling my robot over /mavros/rc_override topic. I made a package via catkin_create_pkg and added ...
user avatar
1 vote
0 answers
565 views

Telemetry with APM 2.6 and XBee

The transmission of telemetry data between the ground base station and APM 2.x (Arducopter), using XBee, is not well documented. The only documentation is Telemetry-XBee, but it does not specify what ...
esguti's user avatar
  • 111
0 votes
1 answer
44 views

Mavros multi-vehicle simulation

Hello, I'm trying to setup a simulation environment for a multi-vehicle system using mavros and I have come up with some issues: My idea is to run multiple APM SITL (Ardu Copter) instances, each of ...
user avatar
1 vote
1 answer
183 views

Easiest way to submit a longer non standard character string via MAVLink

I want to submit my gains for the PID regulator via MAVLink. Unfortunately, I am not very used to MAVLink and there are several functions which may be used for that purpose (I think). My string is ...
dgrat's user avatar
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1 vote
0 answers
3k views

How to send a new Mavlink message from Ardupilot?

I'm trying to add a new message to the MAVLink interface. Following this page, there are the steps I took: Added the message to ardupilotmega.xml. Right at the end of the file: ...
Nitay's user avatar
  • 156
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1 answer
1 view

Versioning third party package by snapshot date

I maintain release of mavlink package ros. Upstream developers stopped making releases, it is recommended to use the latest snapshot. So that the original version is stuck at 1.0.9. When I release the ...
user avatar
0 votes
1 answer
1 view

Should i create stack for package with extras?

Some time ago i released base package, mavros. Now i have additional package with extras. It require cv_bridge and absolutely optional. Also i plan to do some rqt plugins for mavros, so it is another ...
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1 answer
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Where to find MAVLink_ROS document?

Hi all, I'm just trying to use the MAVLink_ROS package, but I cannot find any document/wiki/tutorial related. Its page on ROS wiki has been removed, also no wiki in the github or qgroundcontrol.org ...
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1 answer
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No Data from MAVLink_ROS

Hi, I plan to use MAVLink-ROS to read the IMU data from APM2.5. Although it compiles sucessfully by rosmake, the data cannot be received. I use rqt_graph to check the topic and node, but there is no ...
user avatar
1 vote
1 answer
4 views

Is there a standard message type for waypoint in 3D space?

Going to add a control in the flight plan mavros. Is there a standard message / ROS API for managing waypoint? Originally posted by vooon on ROS Answers with karma: 404 on 2014-02-23 Post score: 1
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2 answers
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Is it possible to get GPS data from AR.Drone with Flight Recorder in ardrone_autonomy?

I'm using AR.Drone with Flight Recorder (witch enable geolocation using the GPS module). I installed ardrone_autonomy and very pleased with it. But there is no GPS data in topics published. However, ...
user avatar
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4 answers
2 views

What is the best way to connect an APM controller to ROS?

I have a few multicopters with an APM controller that I would like to connect to ROS. I want to access the mavlink data via ROS topics. Minimally, I want to have access to sensor data and then publish ...
user avatar
0 votes
1 answer
2 views

Problem with Roscopter (Arducopter interface for ros)

Hello everyone i am new to this group and ROS, and i am writing because I have a problem with the interface for the ROS arducopter and also wanted to better understand the things that I am not clear ...
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1 answer
16 views

how to use mavlink?

hi there, i have ardupilot hexacopter equipped with pandaboard running ros. so i installed this mavlink-ros-pkg to control my copter via ros from here http://qgroundcontrol.org/dev/...
befaro's user avatar
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1 answer
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ROS Answers SE migration: ROS Navigation

Dumb or not, is it possible to communicate to a Computer running ROS using MAVlink and Qcontrol to designate waypoints? Is it also possible to alter the course through computer vision? Originally ...
user avatar
0 votes
1 answer
4 views

ROS Autopilot possibility?

I' not much of a software guy but, I wonder if it is possible to create an autopilot node that can connect to Qcontrol via Mavlink. The point of this is basically to create cheap affordable UAVs with ...
user avatar