Creating and Running a Hello World Component

Use the following procedure to create a simple component that prints hello world to the terminal upon startup.

1. Create a new REDHAWK component Project:

   • File > New > REDHAWK Component Project

2. Name the project: HelloWorld

3. Click Next.

4. Select:

   • Prog. Lang: C++

5. Click Next.

6. Click Finish.

   • If a dialog asks to switch to CPP perspective, click No.

7. Generate Code:

   • In the editor tool bar, click Generate All Component Implementations

8. In the HelloWorld.cpp file, add the following include to the beginning of the file:

    #include <iostream>

9. In the HelloWorld.cpp file, add the following code to the serviceFunction() method:

    std::cout<<"Hello world"<<std::endl;

10. Compile the project:

    • Project > Build Project

11. Drag the project to the Target SDR section of the REDHAWK Explorer.

12. On a terminal, start a Python session.

13. Run the following commands:

    >>> from ossie.utils import sb
    >>> hello_world = sb.launch("HelloWorld")
    >>> sb.start()