VS Arduino - Error "Failed to get flash maps" when uploading firmware

Jan 22^nd, 2025 at 2:45pm (UTC)

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VS Arduino › Visual Micro › Hardware Debugging (GDB, GDB WiFi, GDB Stub) › Error "Failed to get flash maps" when uploading firmware

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Error "Failed to get flash maps" when uploading firmware (Read 85 times)

Edsal94 Newbies Offline Posts: 2 Joined: Jan 15^th, 2025	Error "Failed to get flash maps" when uploading firmware Jan 16^th, 2025 at 2:10pm	Print Post
	Hello, I have a ESP32S3 on a custom board, and I am trying to upload firmware using ESP-PROG board and JTAG interface. I got the error "Failed to get flash maps!" during an upload, and I keep getting the same error with every firmware, so the board is unusable Before getting the error I tried uploading some basic firmware (e.g blink and similar) and the code seemed to work fine, so the setup and the wiring should be ok. The same firmware with which I got the error was uploadable at first, only at a certain point I got the error ( although I was not able to test if this firmware was working properly) What could be causing the issue? Is there a way to al least make the board usable again? I will post a screenshot of the error later in the day


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Simon@Visual Micro Administrator Offline Posts: 2564 Joined: Feb 13^th, 2019	Re: Error "Failed to get flash maps" when uploading firmware Reply #1 - Jan 16^th, 2025 at 2:46pm	Print Post
	Thanks for the report. So we can understand the environment, please post the complete build and upload output as shown at the top of the page, with the below options enabled: vMicro > Compiler > Verbose vMicro > Compiler > Show Build Properties vMicro > Uploader > Verbose If you can also specify which exact ESP32S3 chip you are using it may help diagnose the issue in more detail.
	« Last Edit: Jan 16^th, 2025 at 5:15pm by Simon@Visual Micro »

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Edsal94 Newbies Offline Posts: 2 Joined: Jan 15^th, 2025	Re: Error "Failed to get flash maps" when uploading firmware Reply #2 - Jan 16^th, 2025 at 4:59pm	Print Post
	The chip is ESP32-S3-WROOM-1-N8R2 Here attached is the log requested Let me know if you need anything else Just so you know, I am also working on the same project of user "ntrbiosensors", although we are facing different issues
	« Last Edit: Jan 16^th, 2025 at 5:00pm by Edsal94 »
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Simon@Visual Micro Administrator Offline Posts: 2564 Joined: Feb 13^th, 2019	Re: Error "Failed to get flash maps" when uploading firmware Reply #3 - Jan 17^th, 2025 at 8:46am	Print Post
	Thanks for the detail. As mentioned on the previous thread for a different issue on the same project: Quote: This may not be relevant to the current issue, but in general it is best to have project (and INO file) names without spaces in as these can cause issues with some aspects, and is also not Arduino Compatible. If you right click the INO fie and rename it to remove the spaces, Visual Micro will align everything once OK is clicked on the popup. Also I believe the ESP32-S3-WROOM-1-N8R2 has 8MB Flash from Espressif's Spec. Can you set the Menu option for Flash Size to 8MB? (NOTE: This is likely unrelated as only 4MB is in use in the Partition Scheme selected) If you add the attached line to the local board.txt file, and restart Visual Studio, does this improve the situation? Also, do you have any alternative wiring to try? (This can cause a multitude of issues and resolved the issue for your colleague on this thread)


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