Last modified by Alexander Schulz-Rosengarten on 2023/09/11 16:17
<
From version < 22.1 >
edited by cmot
on 2015/12/15 15:56
To version < 24.1 >
edited by cmot
on 2015/12/15 17:46
>
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42 42  
43 43  == The Eclipse plugin for leJOS ==
44 44  
45 -There is an Eclipse plugin for leJOS which adds a project creation wizard and launch configuration to the platform. You have to install it via the Eclipse Marketplace (//Help > Eclipse Marketplace...//). If you have an **NXT** **brick**, install the **leJOS NXJ** Plug-in. If you have an **EV3 brick**, install the **leJOS EV3** plugin.
45 +There is an Eclipse plugin for leJOS which adds a project creation wizard and launch configuration to the platform.
46 46  
47 +1. You have to install it via the Eclipse Marketplace (//Help > Eclipse Marketplace...//).
48 +OR
49 +1. Install the plugin manually (Help > Install new Software...). Use the following update site: [[http:~~/~~/www.lejos.org/tools/eclipse/plugin/ev3/>>url:http://www.lejos.org/tools/eclipse/plugin/ev3/||shape="rect"]]
50 +\\If you have an **NXT** **brick**, install the **leJOS NXJ** Plug-in. If you have an **EV3 brick**, install the **leJOS EV3** plugin.
51 +
47 47  [[image:attach:lejos_eclipse_plugin.png]]
48 48  
49 49  After the installation, the plugin requires a **little configuration**. Go to //Window > Preferences > leJOS NXJ// and enter the base directory of your **leJOS** **installation** in the **NXJ_HOME field**.
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110 110  To use the RConsole, **uncomment** the **RConsole** lines in the wrapper code template **Main.ftl**. Start the **nxjconsoleviewer** tool in the bin directory of your **leJOS installation**. Now, when **starting the application**, the brick tries to connect with the nxjconsoleviewer. **Press the //Connect//** button. If connected succesfully, RConsole.println(...) commands will be written to this window.
111 111  
112 112  The **EV3 brick** has a similar feature. However it does not require any code changes. Just run the ev3console program in the bin directory of your leJOS installation from command line. The output of the brick will be printed to this command line.
118 +
119 +----
120 +
121 +== Problem Solving ==
122 +
123 +The following presents typical issues and how to solve them.
124 +
125 +|=(((
126 +Issue
127 +)))|=(((
128 +Typical Error Messages
129 +)))|=(((
130 +Description
131 +)))|=(((
132 +Solution
133 +)))
134 +|(((
135 +leJOS EV3 does not support Java 8
136 +)))|(((
137 +"java.lang.UnsupportedClassVersionError"
138 +
139 +"unsupported major.minor version"
140 +)))|(((
141 +You compile the sources in your project with Java 8 and upload them to the brick. However the lejos EV3 does not support Java 8
142 +)))|(((
143 +Go to the project properties and switch to Java 7 (Right Click on project > Properties > Java Compiler > Compiler compliance level)
144 +)))
145 +
146 +
147 +
148 +----
149 +
150 +
Confluence.Code.ConfluencePageClass[0]
Id
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1 -14516268
1 +14516275
URL
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1 -https://rtsys.informatik.uni-kiel.de/confluence//wiki/spaces/KIELER/pages/14516268/LEGO Mindstorms with leJOS and SCCharts
1 +https://rtsys.informatik.uni-kiel.de/confluence//wiki/spaces/KIELER/pages/14516275/LEGO Mindstorms with leJOS and SCCharts

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