Improvement proposition for MSC class driver

[mudrovc]

Currently I'm working on MSC implementation with tinyUSB. I have one proposition for future releases:

Often for MSC performance it's critical to have large enough Read/Write buffer. Tipically sizes of 16-64K are used, especially in case of HS PHY.

The current implementation supports configuration of the size, but this happens on compile time, the buffer is declared statically. It will be good if an API to provide an externally declared buffer is implemented. This is extremly usefull if the MSC function is not a primary function of the device and the memory for MSC buffers is shared between different functionalities.

[hathach]

I have a plan to add config to allow user to malloc/free or provide its own buffer, but have no ETA at all.

[mudrovc]

Yes, this will be a flexible interface solution for sure.