Pololu Wixel User Manual download pdf (Page 56)

Using Eclipse with the Wixel SDK to develop

Wixel applications.

Creating Your Own Apps

Now that you know how to compile apps and quickly load them onto the Wixel to test them, you are ready to

develop your own Wixel apps. You can either modify one of the existing apps in the SDK or create your own app.

To create your own app, simply copy one of the existing app folders and change the name. You do not need to

modify the Makefile when you create a new app; the Makefile will automatically detect the app as long as it is

in the apps folder. When you are developing your app, you can use all of the commands above except you should

replace “example_blink_led” with the name of your app (the name of the subfolder in the apps folder). For more

information, including documentation of all the libraries in the Wixel SDK, see the Wixel SDK Documentation

[http://pololu.github.com/wixel-sdk/].

10.c. Using the Eclipse IDE

You can develop Wixel applications using any text editor.

If you use the free, open source Eclipse IDE, you can

benefit from some of its advanced C/C++ editing features.

The following is a tutorial on how to set up Eclipse for use

with the Wixel SDK.

1. Install the Wixel SDK on your computer and

compile an example app by following the instructions in

the previous sections.

2. Download and install the Eclipse IDE for C/C++

Developers [http://www.eclipse.org/downloads/]. If you are a

Windows user, we recommend that you download the

32-bit version of Eclipse, even if you have a 64-bit

operating system. You may need to install a Java

Runtime Environment (JRE) before you can run

Eclipse.

3. Run Eclipse. It will ask you to choose a workspace folder. Eclipse does not allow the workspace and

project folders to be the same. Therefore, we recommend making a new folder called something like

eclipse_workspace, moving the wixel-sdk folder inside of it, and choosing that new folder to be your Eclipse

workspace location. By doing this, you can avoid having a large number of files in your workspace. You can

switch your workspace location later if you need to.

4. After choosing your workspace folder, you will see a welcome screen that says “Welcome to the Eclipse IDE

for C/C++ Developers” and has several circular icons on it. Click the icon with the yellow arrow in it to go to

the Workbench.

5. From the File Menu, select New > C Project. This will open up a dialog entitled “C Project”.

6. For the Project name, enter wixel-sdk. The Location box should now show the correct location of your

wixel-sdk folder. Eclipse will show a warning at the top of the window that says “Directory with specified name

already exists.” (this is good).

7. Under Project type, select Makefile project > Empty Project. It does not matter what toolchain you select.

8. Click the Finish button to finish creating the wixel-sdk project.

9. Press Ctrl+B or select Project > Build All to build the project. This is equivalent to running make all in

the wixel-sdk folder. You can see the build output by selecting the Console tab at the bottom or by going to

Window > Show View > Console.

10. In the left-hand pane, you will see the “C/C++ Projects” or “Project Explorer” view. This view should

display one entry entitled wixel-sdk which represents the project you just created. Double click on the project

name to expand it and see all the folders and files inside it.

10. Writing Your Own Wixel App Page 56 of 64

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Pololu Wixel User Manual Page 56

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