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  • sketch upload issues

     Lukas updated 5 years, 2 months ago 2 Members · 2 Posts
    Software & Firmware

  • alexsarasitis

    Member
    January 30, 2019 at 4:09 pm

    Hello, just got my new controlllino mini and started experimenting.

    I got:

    “avrdude: verification error; content mismatch” when trying to upload my sketch.

    Please advice.

    After many trials it worked for a few uploads and then it stoped again. Also, I was able to reconnect when taking out controllinos power supply, but this could be a coincident.

  • Lukas

    Member
    January 31, 2019 at 12:24 pm

    Hello,

    it seems that you have some interference at the serial line between USB/UART converter MCU and the main MCU.

    Do you have any wires connected to the X1 pinheader, please? Especially to lines TXD, RXD or /RESET?

    We have already investigated some issues with programming, but these were “permanent” and caused by some corrupted sketch uploaded in the device.

    Please see our FAQ here <a href="https://github.com/CONTROLLINO-PLC/CONTROLLINO_Library#faq” class=”bbcode_url”>https://github.com/CONTROLLINO-PLC/CONTROLLINO_Library#faq

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