cocotb is a coroutine based cosimulation library for writing VHDL and Verilog testbenches in Python.

• Read the documentation
• Get involved:
  • Raise a bug / request an enhancement (Requires a GitHub account)
  • Join the mailing list
  • Join the Gitter chat room

Installation

Cocotb can be installed by running pip install cocotb.

Quickstart

# Install pre-requisites (waveform viewer optional)
sudo yum install -y iverilog python-devel gtkwave

# Checkout git repositories
git clone https://github.com/cocotb/cocotb.git

# Install cocotb
pip install ./cocotb

# Run the tests...
cd cocotb/examples/endian_swapper/tests
make

# View the waveform
gtkwave waveform.vcd

Tutorials and examples

• Endian Swapper tutorial
• Ping using TUN/TAP tutorial
• OpenCores JPEG Encoder example