WTFpga with Chisel3

This is a port of WTFpga to chisel3.

Requirements

• Scala
• OSS CAD Suite

Usage

To get the timing report just run:

make

To run the Chisel3/Scala unit tests, use:

make test

To get timing results (i.e. maximum frequency), run:

make timing

To flash the device, run:

make flash

IDE

1. Get VSCode
2. Install the following extensions:
   1. "Scala (Metals)"
   2. "EditorConfig for VS Code"

Design

Mill VS SBT

Task	Mill	SBT
make test (no change)	7s	16s

References

• https://github.com/edwardcwang/chisel-multiclock-demo/
• https://github.com/freechipsproject/chisel-template/
• https://github.com/olafurpg/setup-scala
• https://github.com/open-tool-forge/fpga-toolchain
• https://stackoverflow.com/questions/40470153/is-there-a-simple-example-of-how-to-generate-verilog-from-chisel3-module
• https://stackoverflow.com/questions/41427717/how-to-delete-clock-signal-on-chisel3-top-module
• https://stackoverflow.com/questions/55209951/chisel3-how-to-create-a-register-without-reset-signal-in-rawmodule
• https://stackoverflow.com/questions/59407466/how-to-override-extend-chisel-signal-naming/59411596#59411596
• ucb-bar/chiseltest#61
• https://github.com/antonblanchard/chiselwatt/blob/e2c513555d025684a15c584ef96bed02cc30ca40/build.sc