Esp32-c3 introductory tutorial basic part ⑪ - reading and writing non-volatile storage (NVS) parameters

One 、 Preface

This article is based on VS Code IDE Programming 、 compile 、 download 、 Operation, etc
Please refer to the basic introduction chapter ：ESP32-C3 Introductory tutorial The basic chapter ①—— be based on VS Code structure Hello World
For an outline of the tutorial directory, please refer to ：ESP32-C3 Introductory tutorial —— Reading guide

Two 、NVS Introduce

Nonvolatile storage (NVS) The library is mainly used in Flash Store data in key value format .

NVS The library calls esp_partitionAPI Use the master flash Part of the space ,