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  VS Arduino › Visual Micro › Other Hardware › ESP32 bigger flash size
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Normal Topic ESP32 bigger flash size (Read 1744 times)
Damjan
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ESP32 bigger flash size
Feb 19th, 2023 at 5:48pm
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I have ESP32 board with 16MB flash. If I select bigger partition size from VM menu, say 8MB or 16MB, I do not see any changes when building image. It still displays "Program FreeRTOS size: 275093 bytes (used 21% of a 1310720 byte maximum)".

When I upload the bin, program keeps restarting. If I use default option of 4MB, everything works. How do I select bigger flash size?

I'm also attaching build log from simple blink program. Selected flash size is 8M with spiffs (3MB APP/1.5MB SPIFFS).
  
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Simon@Visual Micro
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Re: ESP32 bigger flash size
Reply #1 - Feb 20th, 2023 at 10:42am
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Thanks for the report and the log.

You may also need to change the partition scheme to suit the larger chip, which will change the % used calculation at the end of the output accordingly.

Can you also enable the below options and perform the compile and upload again and re-attach the log?
  • vMicro > Compiler > Verbose
  • vMicro > Uploader > Verbose
« Last Edit: Feb 20th, 2023 at 2:25pm by Simon@Visual Micro »  
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Damjan
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Re: ESP32 bigger flash size
Reply #2 - Feb 26th, 2023 at 5:34pm
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How do I change partition scheme?

I'm attaching requested build/upload log.
  
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Simon@Visual Micro
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Re: ESP32 bigger flash size
Reply #3 - Feb 27th, 2023 at 9:33am
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The Partition Scheme can be selected from the Board Options on the vMicro Menu, along with the Flash Size which will also need changing to suit your chip (same as in the Arduino IDE).

You can confirm the flash size of your chip, by running the below command with the board connected to your PC:
4.2.1\esptool.exe flash_id
  
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