ESP32 MSC to SPI Flash demo

This code makes 1MB working Flash drive from ESP32-S2.
How it works:
https://youtu.be/wCQvbELoyOI

Here's the point:
MSC Is access memory by LBA num and Offset.
LBA=512bytes.
but
Flash chip is accessed by pages. And before every WRITE, there's necessary to CLEAR all corresponding page.
Page = 4096 bytes.

How to make USB flash drive from ESP32-S2?
ESP32-S2 USB MSC to SPI Flash Demo
This example shows:

1. How to get partition
   
2. How to read directly from partition
   
3. How to write directly to partition
   
4. How to initialize USB MSC protocol
   
5. How to convert LBA-based access requests from USB to pages-based access to SPI Flash
   
6. How to build and connect my example
   
7. How to format and use this drive