How do HLS tools support and handle interfaces?

HLS Basics
1

Hello everyone!
I’m digging into how HLS tools support different interface types and how much control we really have over them.

Would love to hear how others approach this, especially any tips from folks who’ve navigated this in real projects.

Always learning, always building :muscle::woman_technologist:

2

Hi Emily,

Welcome to HLS academy!

HLS tools handle interfaces by providing some form of interface synthesis. The tools handle the direction and bitwidth of the interfaces. Unlike hardware design, users do not need to explicitly mention signals for handshaking. The rdy/vld signals are already supported by interfaces such as ac_channels which use handshake protocol. AXI protocols such as axi4 stream, axi4 master are supported by HLS tools as well. Memories are generally packaged within a wrapper with tools providing synchronization support, making it easier for users to handle interfaces in HLS.