By right-clicking on the newly created package choose New → Class and enter class name HelloWorld.

Open class and enter source code:

package ch.ntb.stud.yourName.helloworld;
 
import java.io.PrintStream;
import ch.ntb.inf.deep.runtime.mpc555.driver.SCI1;
 
public class HelloWorld {
	static {
		// 1) Initialize SCI1 (9600 8N1)
		SCI1.start(9600, SCI1.NO_PARITY, (short)8);
 
		// 2) Use SCI1 for stdout
		System.out = new PrintStream(SCI1.out);
 
		// 3) Say hello to the world
		System.out.println("Hello, world");
	}
}

Open project file: HelloWorld.deep

Add the newly created class to rootclasses:

project {
	libpath = "I:/deep/lib";
	rootclasses = "ch/ntb/stud/yourName/helloworld/HelloWorld";
}

Connect hardware to PC and power on.

Open View Dialog under Window → Show View → Other….

In the category Terminal mark Terminal and confirm with OK.

Under Connection Type select Serial and choose settings according to the settings of the SCI on the target from paragraph 9 above. Check the port number with your operating system.

Mark project file „HelloWorld.deep“, either by right-clicking Run As → Deep Application

or with pulldown menu of the run-button Run As → Deep Application

will the programm be compiled, linked and downloaded.

The USB Log shows Hello, World.

With you can recompile and rerun the programm.