YAUS

Yet Another USB Stack.

A portable USB device library, written in C++ for microcontrollers.

Assumptions that guide design choices

• Your processor runs faster than memory, has data cache, heap is availible and fast
• Access to peripheral bus is slow

Design principles

• C++
• Event based
• Thread-safe
• Hooks for pipelined processors
• DMA

Features

• CDC Class
• DFU Class

Comparison to other USB stacks

• Descriptors are held in heap and serialized when needed. If you want to change descriptors on the fly, you can.

License