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Introduction to MyHDL. A basic MyHDL simulation. Signals and concurrency. Parameters, ports and hierarchy. Terminology review. Some remarks on MyHDL and Python. Summary and perspective. Hardware-oriented types. The intbv class.
MyHDL provides decorators that create useful generators from local functions and a decorator to create hardware blocks. Hardware structure and hierarchy is described with Python functions, decorated with the block decorator.
Introduction to MyHDL. Hardware-oriented types. Structural modeling. RTL modeling. High level modeling. Unit testing. Co-simulation with Verilog. Conversion to Verilog and VHDL. Conversion examples.
writing structural MyHDL code using recursion and lists of signals; using a reference software implementation
- Background Info
- How to Help with The MyHDL Project
- The Repository
- The Git Version Control System
- Tracking Development
- Contributing Changes
The dev.myhdl.orgwebsite documents all aspects of the developmentprocess of the MyHDL project. MyHDL's original developer, Jan Decaluwe, is MyHDL's BDFL. He has thefinal say about its design and development decisions. The development workflowtakes that into account.
Before considering to contribute to development, note that there are other waysto help. In particular, the best way to help is to use MyHDL in design projects and letpeople know about it. If you want, you can use the users section on the MyHDL site. Another great help is to report issues in the Issue Tracker. Add a smalltest that fails and that you...
MyHDL code development is managed on GitHub using git. The public repository resides here. GitHub offers an excellentinterface to the repository and its history. The repository can be used for several purposes, such as browsing through thedevelopment history, and tracking development. In addition, you can use it tocontribute your own changes.
This guide assumes that you have basic working knowledge of git.To get started with git, I recommend to read the initialchapters of the Pro Git book.
If you have git installed, you can use the repository to track development.The first step is to clone the repository according to the GitHub instructions: The repository contains multiple branches. You can see them as follows: You can see that there is a master branch that is checked out bydefault, and a 0.9-maintenancebranch. The meaning of thebra...
Introduction
You can also contribute your own changes. The workflow is such changes are reviewed by other developers and applied orrejected by the BDFL. Therefore, your goal as a contributor should be tominimize the work of other developers. What is needed is the following: 1. an understanding why the changes are needed and useful 2. a test that verifies the changes 3. using gitto manage changes 4. using GitHub to fork the main repo and create pull requests. The implementation of these requirements is des...
First step: communicate
Except for obvious bug fixes, the first step is to communicate about theproblem or feature with the MyHDL community. Start a discussion in theMailing List or add an entry in the Issue Tracker. Depending on the interest, the result will be a fruitful discussion that mayresult in a specification for the work to be done.
Creating changes
To manage your changes, use git. By doing so, the other developers can simplyuse their normal development workflow to incorporate your work. Moreover, yourname will be preserved as the author, so you get the credit you deserve. In git terminology, a set of changes that belong together is called a commit.To create a commit with all the changes, use: Without the -a option, only selected changes would go into the commit.Such sophistication is typical of git and often useful. Consult thedocumenta...
Apr 16, 2022 · Here is a good reason: MyHDL is open-source software that you can use for free. However, there are many other good reasons why MyHDL is worth considering. This page describes a number of common situations and opinions, and how MyHDL addresses them. If you recognize them, MyHDL may be a good solution for you. New to digital hardware design.
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Exploring Random Number Generators with MyHDL - Illustrates the advantages of using MyHDL and Python in designing and testing a random number generator (RNG). Simple IIR Filter - A simple infinite impulse response (IIR) Lowpass Direct Form I Filter.
