my pixhawk can not connect to the QGC(v2.2.0) or MP with px4 firmware.And the main LED is always breathing blue, I'm not sure what does that mean.

QGC can find  the board and the bootload except the firmware .I reload the firmware as QGC's suggestion.but it doesn't work.The QGC suggest me to reload the Firmwar again.

Then i try the apm's firmware(v3.3) ,then my pixhawk can connect to both QGC and MP .

But i need the px4 firmwar, Does anyone know how to solve this problem or has the same problem?

the prints while connecting to the QGC with px4 firmware are as follows:

Link COM4 is unconnected. 

Opened port!
Link COM4 is connected.

nsh>
nsh>
nsh> sh /etc/init.d/rc.usb
mavlink_if1: mode: NORMAL
mavlink_if1: data rate: 20000 Bytes/s, port: /dev/ttyACM0, baud: 57600
mavlink_if1: offboard mission init: dataman_id=0, count=0, current_seq=0
0xfe 0x00 0x01 2 0x00 0x00 0x00 0x01 0x00 0x01 0x0c A 0x03 0x03 a 0xcc 0xfe 0x1f 0x01 0x01 2 0x01 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 l 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0xae 0xf2 0xfe > 0x02 0x01 2i 0x86 qb 0x04 0x00 0x00 0x00 0x00 0xa9 0xdf F@lU 0x94 @ 0xa0 y 0xfb 0xc0 0xb3 % 0x85 0xbc 0xe0 0x10 )= 0x06 0xfc 0x02 0xbd 0xb3 0xb0 0xa7 0xbe 0xc6 0xf9 0xb9 N 0xa3 > 0x99 0xd9 }D 0x00 0x00 0x00 0x00 ]
0x8f 0xc1 0xeb Q 0xe0 A 0xff 0xad 0xfe 0x14 0x03 0x01 2J 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 ]
0x8f 0xc1 0x00 0x00 0x00 0x80 0x00 0x00 0x00 0x00 0xc8 p 0xfe 3 0x04 0x01 2W 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x10 0x1c mavlink_if1: stream PARAM_VALUE on device /dev/ttyACM0 enabled with rate 200.000 Hz

mavlink_if1: stream MISSION_ITEM on device /dev/ttyACM0 enabled with rate 50.00 Hz
0xfe 0x14 0x05 0x01 2J 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0xcd 0x0e 0x8d 0xc1 0x00 0x00 0x00 0x80 0x00 0x00 0x00 0x00 l 0xd9 mavlink_if1: stream NAMED_VALUE_FLOAT on device /dev/ttyACM0 enabled with rate 10.00 Hz

(MAV 001:50) WPM: mission is empty
(MAV 001:50) [pm] sending list
(MAV 001:50) [pm] sending list
(MAV 001:50) [pm] sending list
(MAV 001:50) [pm] sending list

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Replies

  • Hi I had a problem with my px4 started to do firmware update then stopped after px4 rebooted so looked in device manager on pc
    Px4 shied up but no drivers so reinstalled drivers at that point and tried again and it worked
    Hope this helps
    Stuart
    • Thankyou for your post.

      I have fixed that problem.After I flashed my firmware , there is no response when I turning the pixhawk unless I choosed the frame type of the aerial vehicle.

  • anybody knows that ?

  • 3701905309?profile=original

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