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<head><title>Setup the model</title>
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<h3 class="sectionHead"><span class="titlemark">8.2 </span> <a
id="x40-560008.2"></a>Setup the model</h3>
<ul class="itemize1">
<li class="itemize">Use the <span
class="ecti-1000">New Model Wizzard </span>to create a new eTrice project and name it
<span
class="ecti-1000">PedLightsController</span>.
</li>
<li class="itemize">Copy the package <span
class="ecti-1000">org.eclipse.etrice.tutorials.PedLightGUI </span>to your <span
class="ecti-1000">src</span>
directory (see blinky tutorial).
</li>
<li class="itemize">In PedestrianLightWndNoTcp.jav uncomment line 15 (import), 36, 122
(usage) and 132-134 (registration). The error markers will disappear after
the code is generated from the model.
</li>
<li class="itemize">
<div class="flushleft"
>
<!--l. 31--><p class="noindent" >
Copy the model from /org.eclipse.etrice.tutorials/model/PedLightsController
to your model file, or run the model directly in the tutorial directory.</p></div>
</li>
<li class="itemize">Adapt the import statement to your path.</li></ul>
<div class="verbatim" id="verbatim-17">
import room.basic.service.timing.* from
 <br />"../../org.eclipse.etrice.modellib/models/TimingService.room"
</div>
<!--l. 39--><p class="nopar" >
</p>
<ul class="itemize1">
<li class="itemize">Generate the code from the model.
</li>
<li class="itemize">Add the org.eclipse.etrice.modellib to the Java Class Path of your project.
</li>
<li class="itemize">All error markers should be disappeared and the model should be operable.
</li>
<li class="itemize">Arrange the Structure and the Statemachines to understand the model</li></ul>
<!--l. 49--><p class="noindent" ><img
src="images/030-PedLights01.png" alt="PIC"
/> The <span
class="ecti-1000">GuiAdapter </span>represents the interface to the external code. It registers its
<span
class="ecti-1000">ControlPort </span>by the external code.
</p><!--l. 53--><p class="noindent" ><img
src="images/030-PedLights02.png" alt="PIC"
/> Visit the initial transition to understand the registration. The actor handles the
incoming messages as usual and controls the traffic lights as known from
blinky.
</p><!--l. 57--><p class="noindent" ><img
src="images/030-PedLights03.png" alt="PIC"
/> The <span
class="ecti-1000">Controller </span>receives the <span
class="ecti-1000">start </span>message and controls the timing of the lights.
Note that the <span
class="ecti-1000">start </span>message will be sent from the external code whenever the
<span
class="ecti-1000">REQUEST </span>button is pressed.
</p>
<ul class="itemize1">
<li class="itemize">Visit the model and take a closer look to the following elements:
<ol class="enumerate1" >
<li
class="enumerate" id="x40-56002x1">PedControlProtocol => notice that the start message is defined as
usual
</li>
<li
class="enumerate" id="x40-56004x2">Initial transition of the <span
class="ecti-1000">GuiAdapter </span>=> see the registration
</li>
<li
class="enumerate" id="x40-56006x3">The <span
class="ecti-1000">Controller </span>=> notice that the <span
class="ecti-1000">Controller </span>receives the external
message (not the <span
class="ecti-1000">GuiAdapter</span>). The <span
class="ecti-1000">GuiAdapter </span>just provides its port
and handles the incoming messages.
</li>
<li
class="enumerate" id="x40-56008x4">Visit the hand written code => see the import statement of the
protocol class and the usage of the port.</li></ol>
</li>
<li class="itemize">Generate and test the model
</li>
<li class="itemize">Take a look at the generated MSC => notice that the start message will shown
as if the <span
class="ecti-1000">GuiAdapter </span>had sent it.</li></ul>
<!--l. 73--><p class="noindent" ><img
src="images/030-PedLights04.png" alt="PIC"
/>
</p>
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