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You can resize the partitions by allocating more space for app0 and app1 by reducing SPIFFS. For example app 1408 Spiffs 828:
`# Name, Type, SubType, Offset, Size, Flags
nvs, data, nvs, 0x9000, 0x5000,
otadata, data, ota, 0xe000, 0x2000,
app0, app, ota_0, 0x10000, 0x160000,
app1, app, ota_1, 0x170000,0x160000,
spiffs, data, spiffs, 0x330000,0xD0000,`
I myself do not really understand why the idf kernel has grown so much in size. The second surprise for you will be the use of RAM. Personally, I will have to switch to esp32 with a larger memory size of 8-16 MB. But the fact that there is little RAM left threatens the use of esp32 at all. Something simple is still possible, but multifunctional devices with the current psram policy have already reached 60 KB and less free for me. Which no longer allows using https.
Board
ESP32 Dev Module
Device Description
No other board. Just ESP32 Dev Module,
Hardware Configuration
None
Version
latest stable Release (if not listed below)
IDE Name
Arduino IDE 2.3.5
Operating System
Windows 11
Flash frequency
80 Mhz
PSRAM enabled
no
Upload speed
115200
Description
I was trying to upgrade an existing ESP32 Program but even with all program options disabled the program size was 90%.
I decided to write a minimal program and report the program size for different ESP32 Core, from 2.0.13 to 3.2.0
Here are the results
Arduino IDE 2.3.5
ESP32 Dev Module
nullprog.ino as shown in next section
ESP32 Core 2.0.13
Sketch uses 257465 bytes (19%) of program storage space.
Global variables use 21432 bytes (6%) of dynamic memory
ESP32 Core 2.0.17
Sketch uses 258113 bytes (19%) of program storage space.
Global variables use 21432 bytes (6%) of dynamic memory
ESP32 Core 3.0.0
Sketch uses 889873 bytes (67%) of program storage space.
Global variables use 40724 bytes (12%) of dynamic memory,
ESP32 Core 3.1.3
Sketch uses 903108 bytes (68%) of program storage space.
Global variables use 44724 bytes (13%) of dynamic memory
ESP32 Core 3.2.0
Sketch uses 905882 bytes (69%) of program storage space.
Global variables use 46304 bytes (14%) of dynamic memory
My Question then is
Why the huge jump in program size from ESP32 Core 2.0.13 to Core 3.2.0
19% Program space to 69% program space,
I can no longer program the esp32 boards with the application (Weather station) because the program size is now (using Core 3.2.0) in excess of 100%.
Is there something I am missing here or perhaps not understanding the huge jump in program size from 2.x to 3.x of the ESP32 Core versions?
Any suggestions most welcome.
regards
Robert
Sketch
Debug Message
Other Steps to Reproduce
No, just run the nullprog.ino
test results speak for themselves
I have checked existing issues, online documentation and the Troubleshooting Guide
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