I'm working on a project that needs to write setting fast in the internal flash of ESP32-S2
My data size is 20 bytes
How can I do this work?
How to write data in ESP32-S2 internal ROM?
1.8k Views Asked by Mahmood Hosseini At
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You can write to the flash memory in a few ways. NVS, SPIFFS, and FAT filesystems are all included in ESP-IDF. For storing basic settings that don't change often I'd use NVS. You can set up a csv with your initial values, flash it to your NVS partition, and access and change it later. All the methods are well documented by the company. https://docs.espressif.com/projects/esp-idf/en/latest/esp32s2/api-reference/storage/index.html
You can find examples of how to use it here:
https://github.com/espressif/esp-idf/tree/master/examples/storage