Provide better USB Mass Storage experience with no SD card inserted.
-rw-r--r-- 26 .gitignore
-rw-r--r-- 0 .gitmodules
-rw-r--r-- 4137 CHANGELOG
-rw-r--r-- 3369 COPYING
-rw-r--r-- 8611 Makefile.2020c
-rw-r--r-- 8948 Makefile.2021
-rw-r--r-- 8476 Makefile.revF
drwxr-xr-x - STM32CubeMX
drwxr-xr-x - doc
drwxr-xr-x - driver
-rw-r--r-- 35147 gplv3.txt
drwxr-xr-x - include
drwxr-xr-x - rtl
drwxr-xr-x - src
drwxr-xr-x - tools