Board

ESP32 S3

Device Description

The target board is a T-Display S3 with 16MB. The goal is a 3M program partition (app0) and a 12M LittleFS/spriffs partition. No app1, no factory. Maximum storage to the LittleFS/spiffs partition.

Hardware Configuration

n/a

Version

latest stable Release (if not listed below)

IDE Name

Arduino IDE v1 and v2 (both fail the same)

Operating System

Windows 11

Flash frequency

80MHz

PSRAM enabled

yes

Upload speed

921600

Description

I am not the only person who has reported this.

partitions.csv in sketch folder:

# Name, Type, SubType, Offset, Size, Flags
nvs, data, nvs, 0x9000, 0x5000,
otadata, data, ota, 0xe000, 0x2000,
app0, app, ota_0, 0x10000, 3M,
spiffs, data, spiffs, , 12M,
coredump, data, coredump, , 0x10000,

This does not quite fill all 16M of memory. There is another but when the memory is filled, exactly. Will submit that, later.

Output from \gen_esp32part.py on the created .bin compile of the partitions.csv looks good:

# ESP-IDF Partition Table
# Name, Type, SubType, Offset, Size, Flags
nvs,data,nvs,0x9000,20K,
otadata,data,ota,0xe000,8K,
app0,app,ota_0,0x10000,3M,
spiffs,data,spiffs,0x310000,12M,
coredump,data,coredump,0xf10000,64K,

I have received useless guidance that there is some magic character in here, somewhere, that, if missing, causes this file to be ignored. I am not sure what that even means and it does not apply. When I use this SAME file (not copy and paste but move the file and rename it) to the partitions area, and select it by name, it works without any change to the contents. To get around this problem, I renamed the custom file to one of the standard names and I select it to get the needed result. Of course, this is a temporary fix since any updating will destroy it.

Partition definition selected in Tools Menu>Partition Scheme (should not matter):
Default 4MB with ffat (1.2MB APP/1.5MB FATCS)
This was chosen to show that it is being selected instead of the partitions.csv in the sketch folder.

The copied partitions.csv text file is correct in the temp build area as well as the compiled partitions.bin file. (C:\Users\bangu\AppData\Local\Temp\arduino_build_466306)

Short result:

Sketch uses 1014314 bytes (77%) of program storage space. Maximum is 1310720 bytes.

This is not correct. It should be a 3M app0. Also, if this is loaded, it destroys the 12M LittleFS/spiffs partition that is currently loaded.

Sketch

Does not matter. It will not run. The error happens during compile time. The important bit is the mismatch between the required partitions size set forth in the partitions.csv and the actual created app0 size.

Debug Message

It is not runnable so no Guru error.

Other Steps to Reproduce

No response

I have checked existing issues, online documentation and the Troubleshooting Guide

• I confirm I have checked existing issues, online documentation and Troubleshooting guide.