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  • Dec 27 2016 20:06

    tumbili on master

    Update SUMMARY.md Create uart-ulanding-radar.md Update uart-ulanding-radar.md and 2 more (compare)

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pythonmobile
@pythonmobile
Can anyone tell me what could have been wrong with this accident: http://bit.ly/2vfFkM7 - The Octocopter just flipped. ESCs were calibrated. I checked the CW/CCW configuration, seems right. Pixhawk calibration seemed right. Hopefully someone experienced can tell what went wrong?
pythonmobile
@pythonmobile
Seems like that video link does not work: Here is the correct one: http://bit.ly/2w3hvoz
ptit-tom
@ptit-tom
Hi, someone know what is Companion Link in the param SYS_COMPANION, please ? It's enable onboard's mavlink stream but I don't understand what is this... :/
@pythonmobile It's look like propellers are in the wrong way
pythonmobile
@pythonmobile
@ptit-tom indeed there was a cw-ccw problem. It's fixed. Thanks.
naveenT1010
@naveenT1010
Hi!, can anyone tell me how to add a camera in default iris gazebo sitl? I want to control it with mavros
Sander Smeets
@sanderux
PX4 has moved to http://slack.px4.io/
Yash Mulgaonkar
@yashm
Hey Guys, is the FMUv5 hardware specs been released?
lalal321
@lalal321
Hello , does anyone have used the dronekit to send mocap data to px4? I am a newer, please help ! just a example is very good ! thank you
cs147
@cs147
Anyone familiar with setting up multiple UDP ports to control multiple vehicles in SITL jmavsim?
semsimsom
@semsimsom
hi, all. i build firmware of pixhawk with change rcS in init.d folder and upload to pixhawk, but pixhawk can not start up correctly and usb port after 5 secends disconnected, dose anyone can help me please. how can reset pixhawk or other way to upload correct firmware ?
semsimsom
@semsimsom
please help
cs147
@cs147
Anyone have issues where certain modules in firmware don't get uploaded to the pixhawk mini?
adamgilchristk
@adamgilchristk
sander smeets; does pix hawk influence throttle of a flight or it is just used to calibrate the throttle ..also tel if not pix hawk ,does the companion computer can influence throttle during flight ?
anybody can help me with the above question ...
adamgilchristk
@adamgilchristk
Hello everyone , we customized a program in PIXhawk which is used in quadcopter , and now do we need to re-programme it if we use the same in hexa/octa?
Vasily Evseenko
@svpcom
Hi, I've updated wifibroadcast article to sync with latest release. PX4/Devguide#321
MirkoSKat
@MirkoSKat
Hi, at the moment, we have a lot of trouble to flash the pixracer out of a Ubuntu virtual machine or from Windows. It doesn't matter, if we use the upload command or QGroundControl. It stops during the upload phase nearly all the time. Only a pure Ubuntu version works. Did anybody have a workaround for that problem?
adamgilchristk
@adamgilchristk
CAn pix hawk replace PX4 for autonomous drones .?
Sry can pixracer replace px4 ?
Hadi Ahrovani
@Ahrovan
Multi-Vehicle Simulation
this tutorial say "source your environment" and then enter "roslaunch px4 multi_uav_mavros_sitl.launch":
output is:
roslaunch px4 multi_uav_mavros_sitl.launch
... logging to /home/cv/.ros/log/0dfb88da-e966-11e7-90f0-71f1019dd856/roslaunch-ubuntu-44603.log
Checking log directory for disk usage. This may take awhile.
Press Ctrl-C to interrupt
Done checking log file disk usage. Usage is <1GB.

Usage: xacro.py [options] <input>

xacro.py: error: expected exactly one input file as argument
while processing /home/cv/src/Firmware/launch/single_vehcile_spawn.launch:
Invalid <param> tag: Cannot load command parameter [iris_1_sdf]: command [/opt/ros/kinetic/share/xacro/xacro.py /home/cv/src/Firmware/Tools/sitl_gazebo/models/rotors_description/urdf/iris_base.xacro rotors_description_dir:=/home/cv/src/Firmware/Tools/sitl_gazebo/models/rotors_description mavlink_udp_port:=14560 > iris_1.urdf ; 'gz sdf -p iris_1.urdf'] returned with code [2]. 

Param xml is <param command="$(arg cmd)" name="$(arg vehicle)_$(arg ID)_sdf"/>
The traceback for the exception was written to the log file
mehmetemin5
@mehmetemin5
Hello everyone, I need to create a new airframe
But I don't know how to adjust mixer values
for example servo limiting, tail BLDC adjusting etc. if anyone knows please send a message to me
rahulsharma11
@rahulsharma11
Hi friends,,,, Has anyone worked in Single copter? I am working on pixhawk mini with px4fmu-v2_lpe firmware and finding a bit struggle in PID tuning for that. Will appreciate your all suggestions.
Chenghao Yang
@YCH188
@Ahrovan I found a solution, but I'm not sure.
@Ahrovan PX4/sitl_gazebo#101
alexx600
@alexx600
Hello!
I would like to ask if there are equivalent flag from micropilot in Pixhawk. I mean if there is any analogue to
PIC/CIC
in fly/on ground
Link
Thanks for any help!
alielectric
@alielectric
hi anybody has the px4fmuv5 hardware schematic?
mehmetemin5
@mehmetemin5
hello everyone, how to write a mixer file what is the vector and scale factors and offset is it geometrical?
xiaofyao
@xiaofyao

When I compile the PX4 source code of 1.6.2 version, I meet this error. But when I compile the latest version(1.7.3), It can be compiled successfully. Anyone who can help me?

root@ubuntu:~/px4_code/px4_0/xyi_px4# make px4fmu-v2_default
-- CMAKE_MODULE_PATH: /home/yst/px4_code/px4_0/xyi_px4/cmake
-- Nuttx build for px4fmu-v2 on m4 hardware, using nsh with ROMFS on px4fmu_common
-- Build Type: MinSizeRel
Traceback (most recent call last):
File "Tools/tag_to_version.py", line 19, in <module>
minor = res[1]
IndexError: list index out of range
-- PX4 VERSION: 3284b7d
-- CONFIG: nuttx-px4fmu-v2-default
-- The ASM compiler identification is GNU
-- Found assembler: /home/yst/gcc-arm-none-eabi-7-2017-q4-major/bin/arm-none-eabi-gcc
-- Found PythonInterp: /usr/bin/python (found version "2.7.12")
-- Found PY_jinja2: /usr/local/lib/python2.7/dist-packages/jinja2
-- C compiler: arm-none-eabi-gcc (GNU Tools for Arm Embedded Processors 7-2017-q4-major) 7.2.1 20170904 (release) [ARM/embedded-7-branch revision 255204]
-- C++ compiler: arm-none-eabi-g++ (GNU Tools for Arm Embedded Processors 7-2017-q4-major) 7.2.1 20170904 (release) [ARM/embedded-7-branch revision 255204]
-- Adding ROMFS on px4fmu-v2
-- Nuttx build for px4fmu-v2 on m3 hardware, using nsh
-- Configuring done
-- Generating done
-- Build files have been written to: /home/yst/px4_code/px4_0/xyi_px4/build_px4fmu-v2_default
[73/566] Building NuttX for px4io-v2 with nsh
FAILED: cd /home/yst/px4_code/px4_0/xyi_px4/build_px4fmu-v2_default/px4io-v2 && /bin/rm -rf /home/yst/px4_code/px4_0/xyi_px4/build_px4fmu-v2_default/px4io-v2/NuttX/nuttx/nuttx-export && /usr/bin/make --quiet --no-print-directory -C /home/yst/px4_code/px4_0/xyi_px4/build_px4fmu-v2_default/px4io-v2/NuttX/nuttx -r CONFIG_ARCH_BOARD=px4io-v2 export >nuttx_build.log && cmake -E touch /home/yst/px4_code/px4_0/xyi_px4/build_px4fmu-v2_default/px4io-v2/nuttx_export.stamp
stdio/lib_sscanf.c: In function 'vsscanf':
stdio/lib_sscanf.c:419:28: error: this statement may fall through [-Werror=implicit-fallthrough=]
sign = true;
^
stdio/lib_sscanf.c:420:21: note: here
case 'u':
^~
cc1: all warnings being treated as errors
make[2]: [bin/lib_sscanf.o] Error 1
make[1]: [libc/libc.a] Error 2
[73/566] Building NuttX for px4fmu-v2 with nsh
FAILED: cd /home/yst/px4_code/px4_0/xyi_px4/build_px4fmu-v2_default/px4fmu-v2 && /bin/rm -rf /home/yst/px4_code/px4_0/xyi_px4/build_px4fmu-v2_default/px4fmu-v2/NuttX/nuttx/nuttx-export && /usr/bin/make --quiet --no-print-directory -C /home/yst/px4_code/px4_0/xyi_px4/build_px4fmu-v2_default/px4fmu-v2/NuttX/nuttx -r CONFIG_ARCH_BOARD=px4fmu-v2 export >nuttx_build.log && cmake -E touch /home/yst/px4_code/px4_0/xyi_px4/build_px4fmu-v2_default/px4fmu-v2/nuttx_export.stamp
stdio/lib_sscanf.c: In function 'vsscanf':
stdio/lib_sscanf.c:419:28: error: this statement may fall through [-Werror=implicit-fallthrough=]
sign = true;
^
stdio/lib_sscanf.c:420:21: note: here
case 'u':
^~
cc1: all warnings being treated as errors
make[2]: [bin/lib_sscanf.o] Error 1
make[1]: [libc/libc.a] Error 2
ninja: build stopped: subcommand failed.
Makefile:164: recipe for target 'px4fmu-v2_default' failed
make: * [px4fmu-v2_default] Error 1
root@ubuntu:~/px4_code/px4_0/xyi_px4#

_

falcon15
@falcon15
Any one there
hello
iamczar
@iamczar
@falcon15 are the people on PX4 moving to slack?
Rafael Rodrigues Teixeira
@TeixeiraRafael
Hi
Throne Vault
@ThroneVault
Anyone using PX4 with Intel Aero RTF ?
iamczar
@iamczar
@ThroneVault I am but did not play with it much :/
Sean Owens
@seanrowens
Yeah, I am right now. Of course you asked that question over a month ago.
Daveuav
@Daveuav
Good day, i need info about mag issues on pixracer
Daveuav
@Daveuav
where can be found bootloader for pixracer
CMMMMH
@CMMMMH
Why I make px4fmu-v2_default ,it shows error:expected initializer before '_PARAMS' from the
Firmware/build/nuttx_px4io-v2_default/Nuttx/nuttx/include/arch/math.h
robin-ecn
@robin-ecn
Guys, is there anyone find a method to control the thrust force and torques directly for the drone with PX4?
Vasily Evseenko
@svpcom
Hi, could someone review and apply PX4/Devguide#723 ?
liuwa666
@liuwa666
image.png
I have the above problem when using STIL, how can I solve it?
My operating system is not ubuntu, but is deepin which is a derivative system of debian
liuwa666
@liuwa666
My screenshot appears after typing the following command´╝Ü
make px4_sitl jmavsim