I have an existing C project in the Simplicity Studio IDE. How do I convert this to a C++ project?
In the Simplicity IDE Project Explorer, select the project to be converted.
Then click the top level menu Project menu select [Convert]>[Convert MCU Project to C or C++...]. A [Convert Silicon Labs MCU Project(s) to a C or C++] dialog box appears, and you can select the projects to be converted and if the resulting project should be C or C++:
Then click [Finish], and the project(s) will be converted.