Jeff Johnson
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Jeff Johnson's Discussions

Mavlink Doesn't Connect

Started this discussion. Last reply by Jeff Johnson Oct 5, 2011. 51 Replies

Hi there,I can’t get the APM Planner 1.0.55 to connect via the MAVLink all weekend. I’m running APM V2.22 firmware. Running Windows 7 64 bit.What I’ve done so far to try and troubleshoot this…Continue

APM Mega Gyro Calibration

Started this discussion. Last reply by Chris Anderson Aug 13, 2011. 3 Replies

 I’ve had my APM for about 5 months. When I first bought the board I remember running the each of the tests in the CLI and was getting what I thought were good results. Moving forward to August 2011…Continue

 

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Jeff Johnson replied to Jeff Johnson's discussion Mavlink Doesn't Connect
"I'm sorry the only thing I can think of is it may be similar to an issue I had with a previous board. See this thread: http://diydrones.com/forum/topics/apm-mega-gyro-calibration?commentId=705844%3AComment%3A563340"
Oct 5, 2011
Omar Maulana replied to Jeff Johnson's discussion Mavlink Doesn't Connect
"Hello Jeff,   Yes, I followed these instructions, I used the newest mission planner and updated to the latest firmware, but the A and B lights are not blinking, I've waited several minutes. I seems the gyro won't initialize in the…"
Oct 5, 2011
Jeff Johnson replied to Jeff Johnson's discussion Mavlink Doesn't Connect
"Omar,   Did you try these steps? Keep your battery out of it for now. Just try to power the board with USB. That means no radio or servos will be involved yet either.   For me the answer turned out to be the sequence and timing in which I…"
Oct 4, 2011
Omar Maulana replied to Jeff Johnson's discussion Mavlink Doesn't Connect
"Hello,   My problem is the same as Jeff and Shamir, in the terminal interface on fly mode when I type "load_all" nothing happened.  It just disappears, and I also can't connect via mavlink.  Setup in CLI mode is working…"
Oct 3, 2011
Allen Bishop replied to Jeff Johnson's discussion Mavlink Doesn't Connect
"John:   That makes complete sense.  I was wondering if thre was a possibility that the PC would sense something other that a modem.  I will try it out tomorrow.   Thanks   Allen"
Sep 13, 2011

Moderator
John Church replied to Jeff Johnson's discussion Mavlink Doesn't Connect
"I've had my mouse go wacky too and I can reproduce it. I can also guarantee that it will not happen. The issue comes into play when the copter is powered up before the PC-side modem. What happens is Winblows thinks that there is a mouse…"
Sep 13, 2011
Allen Bishop replied to Jeff Johnson's discussion Mavlink Doesn't Connect
"Chris:   I figured it all out.  The main problem was the drivers for the USB/Serial converters that connect the XBee modules to the PC (my ground station).  I don't know how or why but they became inoperative and caused the mouse…"
Sep 13, 2011

3D Robotics
Chris Anderson replied to Jeff Johnson's discussion Mavlink Doesn't Connect
"Allen, can you explain a bit more? What's an "XBEE ground station module"? I'm not seeing any problems on my machines. "
Sep 13, 2011
Allen Bishop replied to Jeff Johnson's discussion Mavlink Doesn't Connect
"Not sure if this is the correct forum but - ever since I updated APM Planner to 1.0.67 my XBEE ground station module causes the mouse to loose control.  This has occured on both my 2 laptops and my desktop.  I am running XP Pro on one…"
Sep 13, 2011
Warren Eather replied to Jeff Johnson's discussion Mavlink Doesn't Connect
"Hi Jeff, Yes, I was in flight mode (switch mode 1) during those screenshots. From the screenshot file name you can tell which firmware was loaded at the time. APM2.23 or APM2.23SIM This screenshot is in CLI switch mode 0. Test "imu"…"
Sep 11, 2011
Jeff Johnson replied to Jeff Johnson's discussion Mavlink Doesn't Connect
"Warren, So just to be clear, in your screenshot your running APM 2.23 under the terminal window while in flight mode (switch mode 1).   If you move your switch back to mode 0 and run the “imu” test does your board complete the gyro…"
Sep 11, 2011
Jeff Johnson replied to Jeff Johnson's discussion Mavlink Doesn't Connect
"Shamir, Well, I seem to remember this happening to me as well. I’m still a novice at this too so all I can do is share with you what I did to get my board up and running.  I remember one day I couldn’t get my board to complete the…"
Sep 11, 2011
Warren Eather replied to Jeff Johnson's discussion Mavlink Doesn't Connect
"Hi Michael, Ive loaded the APM2.23. Here is the cli airpressure test"
Sep 11, 2011
Shamir replied to Jeff Johnson's discussion Mavlink Doesn't Connect
"I've tried 4 machines already, but no luck.   I can type in anything into the terminal and it won't do anything but go to the next line after I hit enter."
Sep 11, 2011

Developer
Michael Oborne replied to Jeff Johnson's discussion Mavlink Doesn't Connect
"can you guys test the pressure sensor from the cli."
Sep 11, 2011

3D Robotics
Chris Anderson replied to Jeff Johnson's discussion Mavlink Doesn't Connect
"Try another PC? Might be a firewall blocking something?"
Sep 11, 2011

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About Me:
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Please tell us a bit about your UAV interest
I have an RC Predator that I fly and wanted to upgrade it with APM to see if I could make it fly autonomously.

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