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  VS Arduino › Visual Micro › Visual Studio 2017, 2019, 2022 › LittleFS fail to initialze after VS and VSMicro update
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Hot Topic (More than 8 Replies) LittleFS fail to initialze after VS and VSMicro update (Read 95 times)
Chevelle
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LittleFS fail to initialze after VS and VSMicro update
May 14th, 2025 at 9:34pm
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Argh!  I hate when this happens.  I received the latest version of the PCBs that I have designed that use the ESP32-S3.  The previous version worked fine and the changes had to do with the features of the display we are using, not the fundamental functions of the ESP32-32.  While I was waiting for the boards, both Visual Studio and VSMicro were updated.   I don't know if this was the cause but the code can't get past the LittleFS begin.

I then tried an ESP32-S3 DevKit board with the basic LittleFS example.  Still No Joy.  You guys are geniuses and so I figured I would bring the issue here.

Note that I am using the ESP32 2.0.14 Core.  This is because the library used for the TFT display is not compatible with later versions of the core.

Code and compile window attached.
  
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Simon@Visual Micro
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Re: LittleFS fail to initialze after VS and VSMicro update
Reply #1 - May 14th, 2025 at 10:02pm
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Thanks for the report.

The log doesn't show the upload of the FileSystem files to the LItteFS Partition.  Have you run vMicro > Publish Server Data Files?

If you have an error when running this please attach the output as well.

There are 2 additional board options to make this happen each upload(at the bottom of the board options list on the vMicro menu):
  • vMicro > FileSystem Upload Tool = LittleFS
  • vMicro > Automatic FS Upload = On
« Last Edit: May 14th, 2025 at 10:03pm by Simon@Visual Micro »  
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Chevelle
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Re: LittleFS fail to initialze after VS and VSMicro update
Reply #2 - yesterday at 1:40pm
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This is interesting...

The File System is set to LittleFS and the data files are set to upload.

I am using the Dev board for testing and if I use the UART connection to upload everything, all works as expected and I get the responses I expect through the Serial monitor.  If I use the UART connection, the firmware upload OK but I do not get any response over the Serial monitor.

Is there a setting I am missing?
  
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Simon@Visual Micro
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Re: LittleFS fail to initialze after VS and VSMicro update
Reply #3 - yesterday at 1:49pm
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Sorry you said you are using the UART Connection in both scenarios.

Do you mean the UART Upload works as expected, but using the Programmer does not?
  
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Chevelle
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Re: LittleFS fail to initialze after VS and VSMicro update
Reply #4 - yesterday at 1:52pm
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Sorry.  When I use the UART connection on the Dev board, the firmware uploads fine and the Serial monitor has the expected outputs and responds to the expected lines sent to it.

When I use the USB port on the Dev board, the code uploads fine and I presume is running but nothing comes out of the Serial monitor.
  
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Simon@Visual Micro
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Re: LittleFS fail to initialze after VS and VSMicro update
Reply #5 - yesterday at 3:06pm
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Thanks for clarifying.

I believe if you change the USB CDC On Boot option, and rebuild and reupload, the messages should now appear over the USB Port.
  
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Chevelle
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Re: LittleFS fail to initialze after VS and VSMicro update
Reply #6 - yesterday at 3:35pm
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Still no joy.  Here are the compile settings...
  
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Simon@Visual Micro
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Re: LittleFS fail to initialze after VS and VSMicro update
Reply #7 - yesterday at 3:46pm
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Thanks, can you show the detail of what is in the Port or IP box as well so we can understand which ports are available?
  
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Chevelle
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Re: LittleFS fail to initialze after VS and VSMicro update
Reply #8 - yesterday at 3:52pm
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When it is plugged into the UART port on the Dev board, the COM window shows "COM6 - Silicon Labs CP210x USB to UART Bridge"

When it is plugged into the USB port on the Dev board, the COM windows shows "COM5 - USB Serial Device"

No other ports show up in the list.
  
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Re: LittleFS fail to initialze after VS and VSMicro update
Reply #9 - yesterday at 4:08pm
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Thanks for the update.  Does disabling DTR and RTS in the Serial Monitor window help at all? 
(may need to reset the board once the options are changed.)
  
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Chevelle
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Re: LittleFS fail to initialze after VS and VSMicro update
Reply #10 - yesterday at 4:17pm
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I just do not know what happened.  I did not change a thing but did shut down VS since our last exchange.  After your last note, I started VS up again and before I made the changes to DTR and RTS, the COM window opened up and all the proper communication went across the USB port.  I uploaded the code to my board and it too worked fine.

It is amost a bad thing when this happens.  I still don't know what changed and whatever caused the issue could creep in again.

For now, I'm good.  Thanks very much.
  
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