You can save the data to flash using low level library to custom address. Im using spi_flash_write(ADDRESS, DATA_TO_WRITE, DATA_SIZE); . But you must have erased the selected region to 0xFF. (im using spi_flash_erase_range(ADDRESS, LENGTH); ). You can not erase the sector in brownout because of time...

Hey guys. Have one question. I made successfully ESP32 safe boot + flash encryption work on devkit (ESP-WROOM-32). Now i tried to make it work on ESP32-WROWER. I wrote the keys as previously on devkit. The same with the fuses. But the HW bootloader still not found the software bootloader (flash read...

Im tried the malloc from PSRAM option in Bluetooth menuconfig. And use the dynamic memory allocation. It will free up many space. You can optimize that library consumption in the menuconfig turning off features you will never use (and for example closing the bluedroid stock log print). Bluetooth is ...

Im solved it replacing the NVM-based data sharing, to eeprom partition based sharing. It takes a little time to customize EEPROM.h library from arduino component, but it works nicely .

Hello. I would to ask about the use of NVS in the bootloader. Im using the NVS to store the configuration of my device and need to share some parameters with bootloader (security features for OTA recovery). Is it possible using NVS or in the other way? I tryed to include the nvs_flash component to m...