Error reading serial data.

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  • October 17, 2012 at 8:21 pm #20121
    eggdag
    Participant

    I keep getting this error. I’ve got Inkscape 48.2 r9819, Extnsios 2.21EBB firmware V13 2.0.2. Everything stats to work from EggBot Control then?

    October 17, 2012 at 8:24 pm #20956
    Windell Oskay
    Keymaster

    I’m not sure what you mean by “Everything stats to work from EggBot Control then?”

    Can you say what operating system you’re using?  And, is this the firmware that your EBB originally shipped with?
    October 17, 2012 at 8:27 pm #20957
    eggdag
    Participant

    Win XP and I only updated the firmware after exasperation!

    October 17, 2012 at 8:38 pm #20958
    Windell Oskay
    Keymaster

    We generally do not recommend updating the firmware, unless you need some of the specific features that are in the newer versions– the version that ships with the EBB is extremely reliable and well-understood, which is why we’ve continued to use it.  

    Now, when you get this error, is it on its own, or are you actually getting the “unable to find an eggbot…” error first?  
    October 17, 2012 at 8:39 pm #20959
    eggdag
    Participant

    Pardon my confusion, I just meant to say I sucessfully installed inkscape, the Extensions and USB drivers. I have also connected sucessfully with the eggbot using the egg-bot controll panel. Individual commands occasionally work but a plot command will stop quite quickly. Thankyou in advance for any help you can offer

    Eggdag

    October 17, 2012 at 8:48 pm #20960
    Windell Oskay
    Keymaster

    Hmm.  Likely a hardware issue, then.  

    Check the EBB to see if there are any signs of damage.  Try a different USB cable if you have one.  Check the power supply to see if there’s any damage to its plug.  See if you can make the problem worse (or better) by holding the USB cable one way or another, and the same with the power supply.
    October 17, 2012 at 8:55 pm #20961
    eggdag
    Participant

    Thanks. Those are good ideas. I’ll reset the firmware too if needed. But alas, dinner calls! More later. Thank you

    October 18, 2012 at 8:13 pm #20962
    eggdag
    Participant

    WOW had to download a new browser to get back here. I Have tried many things including cords and various EBF files. The serial read error keeps popping up. about 50% of command tries. A window opens with: Inkscape has received additional data from the script executed.  The script did not return an error, but this may indicate the results will not be as expected. In the small ‘sub’ window it says:


     Error reading serial data.

    Traceback (most recent call last):
      File “eggbot.py”, line 1403, in <module>
        e.affect()
      File “I:Program FilesInkscapeshareextensionsinkex.py”, line 215, in affect
        self.effect()
      File “eggbot.py”, line 315, in effect
        self.setupCommand()
      File “eggbot.py”, line 497, in setupCommand
        self.ServoSetupWrapper()
      File “eggbot.py”, line 1172, in ServoSetupWrapper
        if strVersion[0] == ‘0’:
    IndexError: string index out of range
    This occurred after applying a ‘toggle pen’ command in eggbot control/setup. The first few times worked fine then error!
    October 20, 2012 at 5:18 pm #20963
    eggdag
    Participant

    Hey I have an idea! I’ll send it to my brother so he can try it out. He’s got one too and is responsible for getting me started. He’s also an electronics engineer!

    October 20, 2012 at 7:44 pm #20964
    eggdag
    Participant

    PROBLEM SOLVED!

    My brother is pretty sharp! Turns out I have too long of a USB connection. We have a hub under the coffee table and access the system in the closet. Too many hubs in a row (2) and a 25 foot extension. Plugged directly into computer it works perfectly. Thanks Windell for your help. I believe you did ask me to try other connection options!! 
    Doug (eggdag)
    October 24, 2012 at 3:38 pm #20965
    Windell Oskay
    Keymaster

    Fantastic– I’m glad to hear that there’s a good explanation for what went wrong, too!

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