DVT IDE for VS Code SystemVerilog User Guide

Rev. 24.1.8, 24 April 2024

Go to Product Page

Installation
- System Requirements
- Install DVT for VS Code from Marketplace
- Install DVT for VS Code from VSIX
- Install DVT for VS Code Using a Pre-Packed Distribution
- Set the License
User Interface
- VS Code User Interface
- DVT IDE for VS Code User Interface
  - Editor
  - Activity Bar
  - Side Bar
  - Status Bar
  - Panel
Predefined Projects
Build Configurations
- Project Natures
- Non-top files
- default.build
- Auto-config
- Simulator Log-config
- Emulating compiler invocations
- Multiple .build Files
- Compatibility Modes
  - Default DVT Compatibility Mode
  - gcc Compatibility Mode
  - ius.irun Compatibility Mode
  - ius.perspec Compatibility Mode
  - questa.vcom Compatibility Mode
  - questa.vlog Compatibility Mode
  - questa.qrun Compatibility Mode
  - vcs.vhdlan Compatibility Mode
  - vcs.vlogan Compatibility Mode
  - xcelium.xrun Compatibility Mode
- Paths
- Strings
- Comments
- Environment Variables
- Including Other Argument Files
- Build Persistence
- All Build Directives
- SystemVerilog OVM or UVM Library Compilation
- Xilinx Libraries Compilation
- Intel(Altera) Quartus Libraries Compilation
- Questa Libraries Compilation
- Use of External Programs
Compile Checks
- Compile Waivers
- Semantic Checks
- Synthesis Checks
- Performance Checks
- Dead Code Checks
- Non Standard Checks
Quick Fix Proposals
Content Assist (Autocomplete)
- Content Assist for CamelCase and Underscore
- Code Templates
- Module Automatic Instantiation
- Override Functions Using Autocomplete
- Implement Extern Functions Using Autocomplete
- Generate Setters and Getters Using Autocomplete
- Use Assignment Pattern for Struct Type Variable
Hyperlinks
Show Usages
Show Readers or Writers
Show Call Hierarchy
Show Type Hierarchy
Show Constraints
Show Instances
Peek Exploration
Refactoring
Override Functions
- Override Annotation
- Override Using Command Palette
- Override Using Autocomplete
Generate Setters and Getters
Code Factory
Code Formatting
- Whitespace
- Indentation
- Vertical Alignment
- Line Wrapping
- Disable Format for Code Sections
- Preferences Keys
Breadcrumb Navigation Bar
- Design Breadcrumb
- Verification Breadcrumb
- Scope Breadcrumb
> Diagrams
- UML Diagrams
- Design Diagrams
- UVM Components Diagrams
- > WaveDrom Timing Diagrams
- Bit Field Diagrams
  - Bit Field Diagrams for UVM registers
  - Bit Field Diagrams for packed data types
- Common Diagram Actions
- Common Diagram Toolbar
Syntax Coloring
Tooltips
- Comments Formatting
  - Javadoc
  - Natural Docs
Workspace Symbols
Views
- Compile Order View
  - Build Config Hierarchy
- Compiled Files View
- Config DB View
- Design Hierarchy View
- Diagnostics View
- Factory Overrides View
- Outline View
- Problems View
- Registers View
- Verification Hierarchy View
Quick Search in Views
- CamelCase
- Simple Regex
- Hierarchical Search
- Search for Members
- Search Port in Design Hierarchy
- Search Port in Verification Hierarchy
Content Filters
- Content Filters XML Syntax
- Filtering by Element Type
- Content Filters Examples
- Predefined Content Filters
Macros Support
- Inactive Code Highlight
- Macro Expansion
Inactive Generates Code Highlight
Database Out of Sync Notification
External Tools Integration
UVM Support
- UVM Runtime Elaboration
- Runtime UVM Configuration Queries
- UVM Content Filters
- UVM Sequence Tree
- UVM Templates
- UVM Verification Hierarchy
Scripts
- dvt_code.sh
  - dvt_code.sh Syntax
  - dvt_code.sh Examples
- dvt_ls.sh
  - dvt_ls.sh Syntax
  - dvt_ls.sh Examples
Custom Scripts
SCM Checkout Hook
Memory Monitor
Application Notes
- Flow Integration
- Environment Variables
- Design Elaboration
- Compilation Speed-up
- Precompilation Support
- Encrypted VIP Support
- FPGA Support
  - Intel(Altera) Quartus
    - Intel(Altera) Quartus Libraries Compilation
  - Xilinx ISE/Vivado
    - Xilinx Libraries Compilation
- Preprocessed Files Support
- Output and logging
Handy VS Code Documentation Pointers
What is New?
How to Report an Issue?
Legal Notices
Third Party Licenses
Q & A
- Can I deactivate DVT support for a workspace even though one of my workspace folders contains a .dvt directory?

Prev Home Next Up

22.4 WaveDrom Timing Diagrams

WaveDrom is a tool that draws timing diagrams (waveforms) from a simple textual description written in JSON.

The waveform description can be:

embedded in comments, surrounded by @WAVEDROM_START...@WAVEDROM_END pragmas
embedded in comments using the @WAVEDROM_FILE pragma, followed by its location (the location of the file will be solved relatively to the current editor)

To display a waveform diagram, you can:

hover over the description to see it in the tooltip
place the cursor on the description and use the "DVT: Show Diagram" command

Note: The WaveDrom documentation is available here.

Note: DVT uses WaveDrom version 2.6.8.

Note: To specify additional search file locations to use in junction with @WAVEDROM_FILE pragma, use the +dvt_wavedrom_files_location_add+<location> build config directive. To clear the locations list use +dvt_wavedrom_files_location_clear.

Prev Home Next Up