cocotb
cocotb, a coroutine based cosimulation library for writing VHDL and Verilog testbenches in Python (by cocotb)
summon-fpga-tools
A simple script to build open-source FPGA tools. (by esden)
Our great sponsors
| cocotb | summon-fpga-tools | |
|---|---|---|
| 28 | 1 | |
| 1,583 | 15 | |
| 3.1% | - | |
| 9.7 | 0.0 | |
| 7 days ago | almost 4 years ago | |
| Python | Shell | |
| BSD 3-clause "New" or "Revised" License | - |
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
cocotb
Posts with mentions or reviews of cocotb.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2023-07-04.
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Designing a Low Latency 10G Ethernet Core
The use of cocotb and pyuvm for verification
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How is Python used in test automation in embedded systems?
For FPGA/HDL work, there's cocotb
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Introducing CoHDL
At the moment, it is not possible to directly simulate synthesizable contexts. In principle, I could add a simulator to CoHDL. As a Python implementation, it would be orders of magnitude slower than other solutions. Instead, I am using Cocotb to validate the generated VHDL and for the unit tests in the GitHub repository. There is also some very, very experimental support for formal verification, but it will take some time for that to become usable.
Regarding testbenches, they are currently not supported in CoHDL, but you can use Cocotb or any other existing test framework to check the produced VHDL representation.
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Trying to learn and work with FPGAs
On the topic of simulation, you don't have to restrict yourself to using Verilog or VHDL to write your test benches. For example, Verilator lets you write them in C++, cocotb lets you use Python, and if you use SpinalHDL you will drive the underlying simulator using Scala.
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Error when running cocotb using cocotb-test
The only cocotb-supported version of Verilator is 4.106 (see this). But I tried that and quickly ran into issues. I have commercial access to questa sim and the same modules and testbenches worked just fine with that.
- Cocotb
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How to simulate Verilog designs REALLY quickly ?
I heard about Verilator but it is quite something to learn and I am not sure if its the proper tool for my needs. I have looked into cocotb, but it does not work really well on my side. Could you guys recommend me anything ?
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What is the relation between Python and FPGA?
You need an actual test setup. Clone the repo, go to examples, and run make TOPLEVEL_LANG=vhdl SIM=ghdl and see what happens.
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What is the canonical way to test and simulate Chisel gateware ?
CocoTB (Python): I like this python test library. It easy to use, lot's of library to test i2c, uart, wishbone, ... And ... it's Python it's easy ! You can use the simulator you want and even switch between several without big problems. But it's slow simulation even with Verilator (beta) as backend.
summon-fpga-tools
Posts with mentions or reviews of summon-fpga-tools.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2020-12-31.
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FPGA development board for beginners programmable w/ floss toolchain
You can get the toolchain up and running with summon-fpga-tools.
What are some alternatives?
When comparing cocotb and summon-fpga-tools you can also consider the following projects:
cocotbext-axi - AXI interface modules for Cocotb
cocotb-test - Unit testing for cocotb
amaranth - A modern hardware definition language and toolchain based on Python
chiselverify - A dynamic verification library for Chisel.
teroshdl-documenter-demo - This is an example of how TerosHDL can generate your documentation project from the command line. So you can integrate it in your CI workflow.
SpinalHDL - Scala based HDL
chisel - Chisel: A Modern Hardware Design Language
fusesoc - Package manager and build abstraction tool for FPGA/ASIC development
hdl_checker - Repurposing existing HDL tools to help writing better code
PipelineC - A C-like hardware description language (HDL) adding high level synthesis(HLS)-like automatic pipelining as a language construct/compiler feature.
circt - Circuit IR Compilers and Tools
verilog-axi - Verilog AXI components for FPGA implementation