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Using Spinal from VSCodium

Note

VSCodium is the open source build of Visual Studio Code, but without the telemetry included in Microsoft’s downloadable version.

As a one-time setup task, go to view->extensions search for “Scala” and install the “Scala (Metals)” extension.

Open the workspace: File > Open Folder... and open the folder you have downloaded earlier in Create a first SpinalHDL project.

The other way to start it, is to cd into the appropriate directory and type codium .

Wait a little bit, a notification pop-up should appear on the bottom-right corner: “Multiple build definitions found. Which would you like to use?”. Click sbt, then another pop-up appears, click Import build.

Wait while running sbt bloopInstall. Then a warning pop-up appears, you can ignore it (don’t show again).

Find and open hw/spinal/projectname/MyTopLevel.scala. Wait a little bit, and see the run | debug line that is displayed by Metals, before each App. For instance, click on run just above object MyTopLevelVerilog. Alternatively, you can select Menu Bar -> Run -> Run Without Debugging. Either approach performs design checks and, as the checks pass, generates the Verilog file ./hw/gen/MyTopLevel.v

This is all you need to do to use SpinalHDL from VSCodium. You now have the design-rule-checked Verilog and/or VHDL which you can use as input to your favorite synthesis tool.

Now that you know how to use the VSCodium development environment, let’s explore the code: A simple example.