Xu Ming's Discussions

Xu Ming's Discussions (5)

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px4flow need 3D fix.

Hi guys
After I calibrate px4flow with 1m distance to ground, and arm successfully in loiter mode at 1m distance.
But when I put the vehicle on ground, the px4flow camera to ground about 15cm, but arm failed.
Does px4flow has some limittation, the camer

Started by Xu Ming

PX4Flow no log data

Hi guys,

PX4Flow overview said:
(http://ardupilot.org/copter/docs/common-px4flow-overview.html)

6.Power up the vehicle using the battery and repeat steps 4. and 5. If you get no data, but works when the Pixhawk is powered via USB, then it is likely you

Started by Xu Ming

debug message not ouput in serial 5

Hi guys,

when I connect TTL usb-serial line to PC, the bring up message can print on screen.

but when I add print statement "hal.console->printf_P()" in file control_poshold.cpp(or any file in ArduCopter directory), the message didn't show on screen.

Started by Xu Ming

Copter drift in position hold mode

Hi guys,

After I switch stabilize to PosHold mode, the pixhawk copter drift for 1m/s and 10m far away from original position. The I control pitch and roll pull it back, but drift again.

The pixhawk led is green, HDOP value<5.

Can someone help me analysi

Started by Xu Ming