Hi @floows-s,
esp_err_t is defined as an integer value ( typedef int esp_err_t ), which in C-language means it is by default (== variable declared without explicit initial value):


0 when declared as global or static variable
undefined value when used in a local context (eg variable inside a ...

Hi @13302657252 ,
could you please switch Verbose logging on and share the logs here? Although it sounds like a hardware trouble, it may be helpful to see what's going on in the code

Hi MickPF ,
addendum to your research:
- formatting FAT means all the data is lost, the file system is simply (re)built from scratch (as any other file system)
- the sector size matters a lot as it's the basic unit for building clusters (the smallest cluster == 1 sector). fatfsgen.py has a command ...

I have a setup where I will continually write data to the SD card whenever there is an SD card inserted (187.5 KB/sec written in chunks of ~9600 every 50 milliseconds). The SD card can be removed at any point and reinserted later. The data between then is unimportant, and losing a few chunks when ...

Hi PoleG97,
thank you for sharing your tool. We will certainly check it and provide a feedback!
Thanks for your ESP32 community suport.

Hi kesha.modhia,
the flash encryption is actually provided by integrated HW module and there is no specific work to be done at file system level. The only point is the file system of your choice must be compatible with the encryption block size (32B) - which applies only to FatFS and LittleFS, not ...

Hi,
I think you can, though it's not the default intention of OTA partition updates. See this discussion: https://esp32.com/viewtopic.php?t=8029

Let us know if it doesn't work you, please.

Hi @VinayDand,
error 0x101 means out of memory, which can have various reasons in your case. Quick-fix proposal before checking your logs:
try to enable NVS allocations in PSRAM in the menuconfig (idf.py menuconfig):

Component config > NVS > Prefers allocation of in-memory cache structures in SPI ...

Hi @julcol,
ESP32* chips support development mode for applications using the flash-encryption features, so you don't need to "sacrifice" your hardware for testing. Reading through this chapter should give you all the necessary context: https://docs.espressif.com/projects/esp-idf/en/v5.3.1/esp32 ...

Ok, it sounds like your main trouble is resolved. I cannot provide much help for processing pictures, not my domain. Generally, you can expect troubles with the system resources when processing any larger image data - ESP32* is embedded platform, which naturally brings in quite a few limitations ...