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who should I talk to?
Hi We are trying to build & run DSPAL on Qualcomm APQ8096 platform (not an intrinisic one) with Hexagon SDK 3.3.3. tools. We have been successful in building the DSAPAL_tester application , however we do get into undefined PLT symbol error messages
Any suggestion how to fix this one?
I saw an omni-copter of a frame like a picture. To realize with ArduCopter, can we add a frame using this method?
// add_motor using raw roll, pitch, throttle and yaw factors
void add_motor_raw (int8_t motor_num, float roll_fac, float pitch_fac, float yaw_fac, uint8_t testing_order);
I try to build the APM code but failed
Waf: Leaving directory `/home/b/MMC_ArduPilot/build/px4-v2'
Build failed
-> task in 'bin/arducopter-heli' failed (exit status 1):
{task 139897243131328: cxx AP_Arming.cpp -> AP_Arming.cpp.23.o}
whats happened?

In file included from ../../ArduCopter/Copter.h:90:0,
from ../../ArduCopter/AP_Rally.cpp:18:
../../ArduCopter/config.h:692:4: error: #error Helicopter frame requires acro mode supportwhich is disabled

error Helicopter frame requires acro mode support which is disabled


compilation terminated due to -Wfatal-errors.

Waf: Leaving directory `/home/b/MMC_ArduPilot/build/px4-v2'
Build failed
-> task in 'bin/arducopter-heli' failed (exit status 1):

xiaowei zhao
hello everyone,have one use snapdragon 801 to run px4?
Pietro De Nicolao
Hello. Is it possible to fuse mocap (external position estimation) data with EKF2 in v1.8.0, or should I pass it as "vision"?
Good day
can someone advice me for issues with pixracer mag
where can be found the bootloader for pixracer... i need refresh the bootloader
Tarak Patel
hi, i have tryi
i have been trying testing in embedded systems and i found two libraries metal.test and mock test ( unity) . Has anyone used these?
Hi,I want to flash "px4-stm32f4discovery.bin" on my board(stm32f407).
But I don't know what is iap address.
any one who can be able to linke custom mavlink message for its gcs
hey guys can i change the internal programs of the pixhawk ?
i think there is a issue with my pixhawk i command to go straight but it starts to take a turn
Hi, everyone.
I brought Holybro Pixhawk 4 mini.
Does anyone already use it?
Can I adjust PID settings by using QGround Control application?
Ivan Riol
I have pix4 too, works fine w qgc..thou I prefer MP
Are mac's MP2 and Win's MP same stability?
Because I cannot use MP now for repairing Win PC.
I have mac now.
Hi Guys, Pixhawk 2.4.8 have two chip Main STM32F427 and Second STM32F100. By .apj file we change firmware for Main chip. What about second failsafe chip how it debug/rebuild/work?
@2ndarystorage you can check the parameters list on QGC and can change the respective pid values for stable result
@Abai85 whatever i have studied i found the failsafe parameters are just for notification and the output is seen on QGC
@vivek2019 Thank you so much^^ I will check PID values of parameters list.
hello, can anyone help me out here? I have a physical Pixhawk i'm using with Gazebo (and airsim) for HITL simulation. Connected to my Pixhawk, with Telemetry2, is a RaspberryPi with DroneKit installed. All I want to do is make a drone move in any direction I want, with any velocity i want, via a Python script and that does NOT use a GPS. My RPi can talk to my Pixhawk, Gazebo starts fine, QGC is working fine, but i cannot for the life of me get DroneKit to make my drone move. (all i can do is connect to the pixhawk, arm/disarm, and change modes). I've read that i need to put my drone in OFFBOARD mode. In order to do this it needs to be armed first, and in order to place my drone in OFFBOARD mode it needs "setpoints" sent to it every 0.2 seconds(?). I've been troubleshooting this for weeks and i've made little progress.
hello ... i have a project in college . I have to build a drone delivery system. Can anyone tell me how we can do that. how we can give commands to the pixhawk or make new modules. We dont want to use remote control and gonna use gps instead. Please help my mail id is mayankthakur231@gmail.com
Hi, trying to use Gazebo and ROS and I’m getting a CMake error. Anybody have an idea why?
Just following the has to do wtih catkin and the ubuntu_sim_ros_gazebo.sh script
@mayankthakur0007 refer pixhwak site and messages or drone kit website for that.
Chenghao Yang
@jeprince I am doing the same thing, we can have a talk. My email address is ych15@mails.tsinghua.edu.cn
Mridul Babbar
we are working on long range swarm solutions, would anyone would like to work on this with us?
please someone help urgently.... i want urgent help.... i am using apm 2.8 ardupilot and using it to build a quadcopter... when i connect it with mission planner ...i connects well...all gps , compass , accelerometer , rc are calibrated but when i start my rc it does not arm.... when i click on arm manullay in mission palnner....it says that error:command rejected by mav
Ivan Riol
should pop some error on the MP screen or click on the messages tab and it should show....
Hi any one who has been able to run PX4 on beaglebone blue. I need help.

So I used a stereo camera, a TX2 on top of Pixhawk to achieve fully autonomous drone flight and collision avoidance.

In case someone is also interested, here is how I have done it:https://github.com/generalized-intelligence/GAAS/tree/master/demo/tutorial_1

Hello, I have an error when compiling Zubax_gnss, but I don’t know how to solve it. Can someone answer it for me? Maybe this is a little white question!
cc1plus: error: -Werror=implicit-fallthrough: no option -Wimplicit-fallthrough
zubax_chibios///chibios/os/common/ports/ARMCMx/compilers/GCC/rules.mk:198: recipe for target 'build/obj/nmea.o' failed
make: * [build/obj/nmea.o] Error 1
Bharat Tak
You can't just look of a valid MSG_TYPE byte in the stream following the corrupt byte, it might randomly occur in the payload packets and you'd endup reading incorrect bytes for MSG_SIZE
I have bought a new pixhawk cube 2.1, when I try to connect using mission planner, the FC is not getting detected. But, I try connecting other couple of Pixhawk, it's all good. Any solution would be appreciated
I'm building {X4
I'm building PX4 by Windows Cygwin Toolchain ,It's OK to build px4_sitl, but when I build px4_fmu-v2 or v3, it will show :"error: syntax error near unexpected token `(' "
Hi, I'm troubleshooting an intel aero drone that's having wifi issues (iwlwifi keeps saying 'Hardware error detected. Restarting.' and, well, restarting). I can't seem to find a current chat system or forum for the intel aero, anyone have a pointer to one? Or for drones in general?
I have made a pixhawk fmuv3 setup on a breakout board with all the peripherals. I am able to upload latest firmware on to the setup. When I try to select the airframe, upon restart the airframe is not saved.
To make sure, I tested the status of the mtd through NSH. I get an error that mtd driver is not started. I tried starting it using ‘mtd start’ command but it could not be started.
Can someone please tell me what could be the problem?
Zhang Jianfei
How can i get the permission to post a topic in discuss.px4.io?
İsmail Emre Canpınar
Hello, is there an example like Hello Sky? For moving drone, like 5 meters nort( or forward).I just need a little example of this. Can anyone lead me to a source?