I have a 250Quad I just built, flys just fine.  All other aspects of mission planner work fine, but when I try to see any logs, all I get is endless streaming garbled after I hit connect.  It will never stop.  (I'll paste some in here at the end in case it means something, searchable, etc) 

I CAN get telemetry logs (.rlog and .tlog), somehow, they just appears in the default folder. But no .log's

When I try to get a Dataflash Log via this method, I get this: (error receiving log list)


It is HIGHLY likely I am just not doing something right, totally new here. I've reached the limits of what google and searching have found on this issue. Help!

MP 1.3.2 - 1.155430869

Init ArduCopter V3.2.1 (36b405fb)

Micro HKPilot Mega Micro Sized Flight Controller and Autopilot with Leads 2.7.2 (APM)


APM Planner 2 just is empty. 


♦NOTE* Please click connect above
CLI Works only on first connect of power, log download only over USB
Newer versions only support log download via mavlink, please see the flightdata > dataflahs logsOpened com port
Init ArduCopter V3.2.1 (36b405fb)
Free RAM: 1995 FW Ver: 120
load_all took 28440us
3No dataflash inserted3Q?3Calibrating barometerz?QCA3barometer calibration complete3GROUND START?Init Gyro* Q?*
Ready to FLY <-;S9}uYD! ! !d
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  • Where is the CLI_Enable parameter. I can't find it.

  • Search for the cli_enable parameter, change it from 0 to 1, and access to terminal works.  It was not removed, it was disabled by default.

  • Darrell, did you ever resolve this?

    I have a new APM build. Running the most recent mission planner, plus 3.2.1 on a clone APM 2.8 board everything is peachy and the thing flies fine, GPS works all that good stuff, but I'm having the exact same problem you have here. Under terminal I cannot connect at all, it says what yours says. So I try going to dataflash logs and that doesn't work, either, with the same error you have.

    I've googled about this but cannot find a resolution, as few people seem to be reporting the problem. I'm having a hard time believing my board is bad, since it does save settings, calibration, etc.

    Now, this is all through USB. I don't have telemetry radios in place yet.

    Admittedly, I've not yet done anything on the tab in the first response (at work now), and haven't fiddled with this:


    • I concluded it was just a board board as well. If you find out another way to get the logs off, lemme know and I'll do the same here too.  

      • OKay so same issue as you. I cannot save bitmask, it just defaults to disabled. If I change the setting and hit write params it says save was successful. If I then refresh params it appears there as well, but if I disconnect and reconnect and pull anew it's back to disabled. Interestingly I did actually get a single log to pull up (just 6 lines long), but it showed up and I could even load it. But that only worked once. Now bitmask is just always disabled.

        I was able to save the RTL elevation.

      • I will. I figure the "Ah, Hobbyking" may have affected me, too, though I bought from Ebay. :) If I can get telemetry going shortly perhaps that will cover me for the most part.

  • What's your LOG_BITMASK setting? I was having the same problem in both terminal and through mavlink/data flash logs, I changed the setting to Default + IMU to get some vibration readings and the terminal option worked. The most recent set of default parameters I loaded left LOG_BITMASK empty.

    • That's the stupid thing, I can't write any new values for LOG_BITMASK's setting.  Even though it says it's successful updated parameters, and it writes without errors.  It's gotta just be a partially bad board because I have another identical Micro HKPilot Mega Micro Sized Flight Controller 2.7.2 and it CAN write figures to LOG_BITMASK and then I can download logs as usual.  Of course that board has it's own little unique problems too.  Ah, Hobbyking.  

  • Admin


    The CLI has been removed from v3.2.1 to conserve memory space.

    You can get the tlogs and data flash logs using MP Link



    • As I said in the post, I tried that method as well, that's where I get the error "error receiving log list"

      I have the latest version, : 1.3.24 build 1.1.5574.33902 ArduCopter V3.2.1 (36b405fb) 

This reply was deleted.


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