Anjum Shariff
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  • India
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Anjum Shariff's Discussions

Circle the target in Follow Me mode

Started Mar 7 0 Replies

Hello!Does anyone know how to get the copter to circle the target when the target has stopped moving ?I am using PX4 code and Pixhawk FC.Thanks in advance :)Continue

Tags: me, mode, follow, target, Pixhawk

How to get prints from Pixhawk( PX4 flightstack) without using SER 4/5 hardware port

Started Jan 13 0 Replies

I have been trying to check if my custom mavlink msg has been received by the Pixhawk by adding a print in my msg handle function in mavlink_receiver.cpp. I do not have an FTDI cable to connect to…Continue

Tags: Pixhawk, PX4, printf

How to send MAVLink messages on the virtual serial port during jmavsim simulation

Started Dec 17, 2016 0 Replies

Hello!I have a script to extract GPS data from a text file and send MAVlink messages via the serial port. Currently I don't have the hardware and would like to test the functionality through…Continue

Tags: messages, MAVLink, qGC, SITL, jMAVSim

 

Anjum Shariff's Page

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Anjum Shariff posted a discussion

Circle the target in Follow Me mode

Hello!Does anyone know how to get the copter to circle the target when the target has stopped moving ?I am using PX4 code and Pixhawk FC.Thanks in advance :)See More
Mar 7
Anjum Shariff replied to Earp's discussion (Pixhawk) ROI on moving target using GPS like in follow me mode? Or circle mode while using follow me?
"Hello, Have you found a way to get this working? I am trying to achieve something similar using PX4 code for my thesis work. I want the copter to circle the target in Follow me mode when the target stops moving. I tried using Quaternions but I am…"
Mar 7
Anjum Shariff posted a discussion

How to get prints from Pixhawk( PX4 flightstack) without using SER 4/5 hardware port

I have been trying to check if my custom mavlink msg has been received by the Pixhawk by adding a print in my msg handle function in mavlink_receiver.cpp. I do not have an FTDI cable to connect to port SER 4/5, which apparently displays all the printfs. I was however able to start NSH over mavlink by connecting the Pixhawk via USB to the PC. My custom msg does appear in the uorb topic, but uorb top mymsg does not show any received msgs.Is there a way to display the printfs ?Thanx in advance.See More
Jan 13
Anjum Shariff replied to Nithin S's discussion About running python script in mavproxy
"Hello Stephen, I am trying to achieve something similar but without Mavproxy. I am trying to send MAV commands to Pixhawk through a python script via the serial port. Currently, I do not have the hardware. I am wondering if this can be tested in…"
Dec 31, 2016
Anjum Shariff replied to Peng Cheng's discussion How to add a non emulated quad/plane/SITL? in the group UgCS
"I have actually given them different system ids. I will still have a look.  Is there a way to simulate the drones only in jmavsim?  All I want to do is, test a follow functionality. So one drone is the target and the next one follows…"
Dec 26, 2016
Anjum Shariff replied to Peng Cheng's discussion How to add a non emulated quad/plane/SITL? in the group UgCS
"Hi , I could simulate two drones using distinct MAV ids, but the problem I'm facing is that the drones are not responding to missions well. They seem to be flying everywhere and then crashing. This happens only when I simulate two drones. My…"
Dec 25, 2016
Anjum Shariff replied to Peng Cheng's discussion How to add a non emulated quad/plane/SITL? in the group UgCS
"1. add a vehicle to tcp5760 .   Does it need to be done in qGC comm links ?"
Dec 25, 2016
Anjum Shariff replied to Marco Colli's discussion ArduPilot vs PX4 programming
"Hi Philippe, I am working on my thesis project. The goal is to develop a follow algorithm for the Pixhawk to follow a car. I am new to PX4 programming. After a little research I found that 'follow_target' has been implemented in…"
Dec 24, 2016
Anjum Shariff replied to Peng Cheng's discussion How to add a non emulated quad/plane/SITL? in the group UgCS
"Does anyone know how to do this in jmavsim SITL on qGroundControl ? Thanx in advance!"
Dec 23, 2016
Anjum Shariff posted a discussion

How to send MAVLink messages on the virtual serial port during jmavsim simulation

Hello!I have a script to extract GPS data from a text file and send MAVlink messages via the serial port. Currently I don't have the hardware and would like to test the functionality through simulation. Could someone tell me which virtual serial port does jmavsim SITL use? I start jmavsim using 'make posix_sitl_default jmavsim' in the PX4 codebase.I tried sending messages to the /dev/ptmx assuming that it must be the virtual serial port. But I think I am wrong, because the messages do not…See More
Dec 17, 2016
Anjum Shariff replied to Shyam Balasubramanian's discussion MAVLink Tutorial for Absolute Dummies (Part –I) in the group ArduCopter User Group
"Hi Shyam! I am using 'jmavsim'. Yes, I have set different system ids for the drones using 'MAV_SYS_ID'. My actual task is to get the UAV to follow a car. There is a Car-to-X interface which sends the the GPS co-ordinates of the…"
Dec 11, 2016
Anjum Shariff replied to Shyam Balasubramanian's discussion MAVLink Tutorial for Absolute Dummies (Part –I) in the group ArduCopter User Group
"@Shyam Thnx for such a detailed reply. Will look into this. I was currently trying to simulate two drones using PX4 SITL. I am able to get two drones on a map in qGCS, plan missions and fly. What I would like to achieve is , plan missions for the…"
Dec 10, 2016
Anjum Shariff posted a discussion

Problem with connecting to mutiple instances of jmavsim in qGroundControl- Desperately need help

Hello!https://github.com/PX4/Firmware/tree/master/posix-configs/SITLI have been trying to simulate two UAV's in qGroundControl. I was able to start multiple instances of jmavsim from PX4 codebase from src/Firmware/jMAVSim using the below command.java -cp lib/*:out/production/jmavsim_run.jar me.drton.jmavsim.Simulator -udp 127.0.0.1:14550It does open the simulator GUI. The problem is with the…See More
Dec 8, 2016
Anjum Shariff replied to Pere Molins Ayuso's discussion SITL Multi-vehicle Swarm Simulator
"Hi! I'm trying to simulate multiple UAVs in PX4 SITL. I am trying to start two instances of jmavsim , but I am kinda stuck. How did you configure udp ports for different instances?"
Dec 7, 2016
Anjum Shariff posted a discussion

MAvlink v2.0 headers compiler issue

Hello,I have been merging a branch into the latest master of PX4. It seems like the master has moved to mavlink v2.0. I created a custom dialect and generated the headers, made the necessary changes for the custom headers to be used. I am running into compiler issues while doing a make posix_sitl_default jmavsim error: braces around scalar initializer for type ‘const uint8_t {aka const unsigned char}’I tried define MAVLINK_THIS_XML_IDX 1 , but it doesn't make any difference.How could I fix…See More
Dec 1, 2016
Anjum Shariff replied to Anjum Shariff's discussion Intelligent follow algorithm in the group PIXHAWK
"Thank you! The requirement is to use qGroundControl as the ground station and PX4 firmware is in C/C++."
Nov 23, 2016

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Please tell us a bit about your UAV interest
I am working on project related Pixhawk hexacopter. I am relatively new to UAV's and think that the forum might be very helpful in clearing my doubts.
Hometown:
Bangalore

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