NON VOLATILE STORAGE

Create NVS image

Use NVS partition tool to generate binary image. This may be accordingly partitions.csv.

Flash image:

python C:/esp41/esp-idf/components/partition_table/parttool.py --port COM18 write_partition --partition-name=nvs --input "nvs.bin"

Read image:

python C:/esp41/esp-idf/components/partition_table/parttool.py read_partition  --partition-name=nvs --output "flashed.bin"

Use data from NVS in "C" code:

Using namespace and keys to read and write data. Check main.c code.