4.5. Dsptools

Dsptools is a Chisel library for writing custom signal processing hardware. Additionally, dsptools is useful for integrating custom signal processing hardware into an SoC (especially a Rocket-based SoC).

Some features:

  • Complex type

  • Typeclasses for writing polymorphic hardware generators * For example, write one FIR filter generator that works for real or complex inputs

  • Extensions to Chisel testers for fixed point and floating point types

  • A diplomatic implementation of AXI4-Stream

  • Models for verifying APB, AXI-4, and TileLink interfaces with chisel-testers

  • DSP building blocks