Documentation
API Support
Good, startoff with the Espressif sample project as a way to get up and running writing and reading a card simply. Supports 1bit and 4bit SD card interfaces.
Raw Access
The API provides functions that can read and write sectors directly if you don’t want to use the FAT filing system.
FAT Filing System
ESP-IDF uses the FatFs library.
However, it also supports the C standard library and POSIX API functions.
USEFUL?
We benefit hugely from resources on the web so we decided we should try and give back some of our knowledge and resources to the community by opening up many of our company’s internal notes and libraries through mini sites like this. We hope you find the site helpful.
Please feel free to comment if you can add help to this page or point out issues and solutions you have found, but please note that we do not provide support on this site. If you need help with a problem please use one of the many online forums.