Linting on Sigasi

Write Better HDL, Before It Breaks Your Design

Wed, 15 Oct 2025 00:00:00 +0000

Discover how real-time linting in Sigasi Visual HDL helps you catch issues earlier, improve code quality, and accelerate your development flow.

20,000 downloads

Sat, 26 Sep 2026 00:00:00 +0000

Less than one year ago, we wrote about Sigasi Visual HDL passing 10,000 downloads on the VS Code Marketplace. It had taken Sigasi Studio, our previous IDE, more than three years to reach 9,000 installs. Visual HDL got past 10,000 in 15 months. This time it took less than a year.

Enabling DO-254 guideline checks in Sigasi SVH

Mon, 09 Feb 2026 00:00:00 +0000

DO-254 (also known as ED-80, “Design Assurance Guidance for Airborne Electronic Hardware”) is the primary international guidance used for developing complex, safety-critical electronic hardware for civil aircraft. It was jointly developed by RTCA (US) and EUROCAE (EU). First published in 2000, DO-254 became widely adopted in the avionics industry after the FAA accepted it as a means of compliance for avionics design assurance.

Enabling STARC rules in Sigasi SVH

Tue, 27 Jan 2026 00:00:00 +0000

STARC — the Semiconductor Technology Academic Research Center — was a research consortium established by leading Japanese semiconductor companies. Back in 2006, it released the STARC RTL Design Style Guides, a comprehensive collection of rules, recommendations, and best practices for RTL design. The guides cover everything from design creation and code management to verification workflows and general project organization, with separate volumes for Verilog/SystemVerilog and VHDL.

12,000 Downloads and Counting

Thu, 11 Dec 2025 00:00:00 +0000

It took us more than one year to get to 10,000 downloads. In less than 2 months, 2,000 more downloads were done. Our mission to empower design and verification engineers to save time and costs for their team/company pays off.

10,000 Downloads and Counting

Mon, 29 Sep 2025 00:00:00 +0000

One year ago, we introduced Sigasi® Visual HDL™ on the VS Code Marketplace. Our goal was clear: empower design and verification engineers to write faster, higher-quality RTL code and save time and costs for their team/company.

Introducing Linting In Chip Design Flow

Tue, 16 Sep 2025 00:00:00 +0000

In complex ASIC and FPGA designs, quality cannot be postponed to simulation. Issues introduced during RTL design cause bloating verification cycles, consuming costly engineering time, and risking expensive silicon re-spins.

Monitoring HDL code quality with Sigasi CLI and SonarQube

Mon, 23 Jan 2023 00:00:00 +0000

Sigasi CLI is Sigasi’s new command line tool for HDL verification. With it, you can run Sigasi Visual HDL’s powerful verification from the command line. Verification encompasses different aspects, such as syntax checking (is the code syntactically correct?), linting (is there anything suspect in the code?) including semantic checks (do constructs make sense and are they consistent?), and style checking (does the code comply with coding guidelines?).

Using Sigasi CLI as a Git Commit Hook

Mon, 16 Jan 2023 00:00:00 +0000

Sigasi CLI is Sigasi’s new command line tool for HDL verification. With it, you can run the same powerful verification as Sigasi Visual HDL (SVH) from the command line. Verification encompasses different aspects, such as syntax checking (is the code syntactically correct?), linting (is there anything suspect in the code?) including semantic checks (do constructs make sense and are they consistent?) and style checking (does the code comply with coding guidelines?).

Using Sigasi CLI for HDL Code Verification in GitLab CI

Fri, 13 Jan 2023 00:00:00 +0000

Sigasi CLI is Sigasi’s new command line tool for HDL validation. With it, you can run the same powerful code validation as in Sigasi Visual HDL (SVH) from the command line. Code validation encompasses different aspects, such as syntax checking (is the code syntactically correct?), code linting (is there anything suspect in the code?) and style checking (does the code comply with coding guidelines?).

Using Sigasi CLI in Jenkins CI

Thu, 12 Jan 2023 00:00:00 +0000

Sigasi CLI runs our powerful code validation from the command line. This means that code validation is now possible without a GUI.

In this article, we demonstrate how you can run Sigasi CLI in a Continuous Integration (CI) environment, namely Jenkins . In a CI setup, code validation with CLI becomes part of regression testing and will help you maintain the quality of your HDL code. In the near future, we’re planning more articles on the CLI and continuous integration, so be sure to check back.

Array size mismatches with generic port widths

Tue, 09 Jan 2018 00:00:00 +0000

Customer question

On a regular basis, we receive questions from customers about Incorrect array size warnings or errors.

Deprecated IEEE Libraries

Tue, 15 May 2012 00:00:00 +0000

What are deprecated IEEE libraries?

Don’t use ieee.std_logic_unsigned and similar libraries because they are not standardized. Instead, use ieee.numeric_std.all.