MPLAB X IDE and AVR128DB48 Curiosity Nano

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#1
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Hello!
I need to ask for your help again.

 

Trying to read Device Memory. Output message:

 

Currently loaded versions:
Application version...........1.21.37 (0x01.0x15.0x25)
Tool pack version .............1.9.446

Entering firmware upgrade mode

 

Tool timeout during the firmware download process.
Connection Failed.
Data transmission failed. Error code -109 returned while trying to send USB data.
Data transmission failed. Error code -109 returned while trying to send USB data.

 

What's wrong?

 

MPLAB X AVR128DB48 DFP

MPLAB X Tool Packs

 

MPLAB X AVR128DB48 Communication

 

Read Device Memory

 

The truth is more important than the facts.

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I would recommend not using MPLAB for upgrading the Nano.  Instead:

- install python 3.x (7, 8, 9)

- pip install pydebuggerupgrade

- pydebuggerupgrade latest

 

Edit: in fact, if you have many Nanos and get this often (like I do), you can use the -ab switch to upgrade all Nanos currently in boot mode.  If you do this while MPLABX is stuck, there is a good chance that pydebuggerupgrade will do the upgrade and MPLABX will think it did it itself and continue with the session...

 

Last Edited: Tue. Mar 1, 2022 - 03:46 PM