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DESK-MX-L-AN-0007: Getting Started With QT Creator

1,696 bytes added, 12:42, 30 August 2019
Qt Version
{{InfoBoxTop}}
{{AppliesToAxel}}
{{AppliesToAxelEsatta}}
{{AppliesToAxelLite}}
{{Applies To Yocto}}
{{InfoBoxBottom}}
{{WarningMessage|text=This application note was validated against specific versions of the kit only. It may not work with other versions. Supported versions are listed in the ''History'' section.}}
=History=
 
{| class="wikitable" border="1"
!Version
!Date
!XELK version
!Notes
|-
|1.0.0
|March 2018
|[[Axel_Embedded_Linux_Kit_(XELK)#XELK_software_components|XELK 3.0.0]]
|First release
|-
|1.0.0
|August 2019
|[[Axel_Embedded_Linux_Kit_(XELK)#XELK_software_components|XELK 4.0.0]]
|Updated XELK version
|}
 
= Introduction =
 
This application note details QT Creator setup and configuration in [[Axel_Embedded_Linux_Kit_(XELK)|XELK]] [[Managed Virtual Machine (MVM)|MVM]]
 
= Setting up Qt Creator to build for XELK =
{{ImportantMessage|text=Note: The version of Qt Creator may differ from images below. The version provided from XELK 4.0.0 release is 4.5.2}}== Qt Creator Installation == To install Qt Creator inside your toolchain lunch launch a terminal emulator and run  
<pre>
dvdk@vagrant-ubuntu-trusty-64:~$ cd axel/
</pre>
<pre>
dvdk@vagrant-ubuntu-trusty-64:~/axel$ ./qt-creator-opensource.run
</pre>
 
An installation wizard will appear. Clik '''Next''' to proced with the installation.
[[File:QtCreator XELK 3 0 0 01.png|200px400px|border|center]]
Select '''Skip'''.
[[File:QtCreator XELK 3 0 0 02.png|200px400px|border|center]]
Select '''Next'''.
[[File:QtCreator XELK 3 0 0 03.png|200px400px|border|center]]
Select the install directory or click '''Next'''.
[[File:QtCreator XELK 3 0 0 04.png|200px400px|border|center]]
Select '''Next'''.
[[File:QtCreator XELK 3 0 0 05.png|200px400px|border|center]]
Click '''Next''' again.
[[File:QtCreator XELK 3 0 0 06.png|200px400px|border|center]]
And then click '''Install''' and complete the installation.
[[File:QtCreator XELK 3 0 0 07.png|200px400px|border|center]] And then click install and complete the installation.
[[File:QtCreator XELK 3 0 0 08Then '''Finish''' to exit the setup wizard.png|200px|border|center]]
[[File:QtCreator XELK 3 0 0 08.png|400px|border|center]]
<!--
== Automatic configuration ==
Now it is necessary to add the definition of your board before developing and compiling your applications.
In order to add the device information automatically, DAVE provides a simple setup script. <!--  User just need to run the following commands inside your terminal emulator.:
<pre>
</pre>
If the installation process went okcomplete successfully, you should see inside the <code><nowiki>Tools</nowiki></code>-><code><nowiki>Options</nowiki></code> -> <code><nowiki>Kits</nowiki></code> a ''kit '' named XELK., as in the following screenshot:
[[File:QtCreator XELK 3 0 0 09.png|400px|border|center]]
Select the Kits tab and make sure that your configurations mateches matches the one displayed.below:
[[File:QtCreator XELK 3 0 0 10.png|400px|border|center]]
 
-->
== Manual configuration ==
 
If you don't want to use the automatic setup or want to customize the configuration, in this section we details all the step required.
=== Devices ===
 Go to <code><nowiki>Tools</nowiki></code>-><code><nowiki>Options</nowiki></code> menu  
[[File:QtCreator XELK 3 0 0 09.png|400px|border|center]]
select Select <code><nowiki>Devices</nowiki></code> and click '''Add'''
[[File:QtCreator XELK 3 0 0 22.png|400px|border|center]]
Choose the generic linux ''Generic Linux device''
[[File:QtCreator XELK 3 0 0 23.png|400px|border|center]]
Insert the ip IP address of your device and the , ''root'' as username and leave password empty (this is the default configuration of the XELK root accountfile systems). Make sure that the device is connected to the network and your virtual machine networking is correctly configured to use a bridge connection and (see [[VirtualBox Network Configuration|this]] article for more details). Then click '''Next'''.
[[File:QtCreator XELK 3 0 0 24.png|400px|border|center]]
If everithing everything went ok you should see a dialog like the next oneimage below.
[[File:QtCreator XELK 3 0 0 25.png|400px|border|center]]
And finally this is how the device <code>Devices</code> window should look like.
[[File:QtCreator XELK 3 0 0 26.png|400px|border|center]]
=== GCC & Cross Compilation ===
Next you need to configure the cross compilation tool inside <code>Build & Run -> Compiler</code>.
[[File:QtCreator XELK 3 0 0 27.png|400px|border|center]]
Click <code>Add -> GCC </code> and add the compiler path at.
<pre>
</pre>
And click '''Apply'''.
[[File:QtCreator XELK 3 0 0 29.png|400px|border|center]]
Do the same fort for the GC++ cross compilation tool.
<pre>
=== Debugger GDB ===
Now it is necessary to add a debugerdebugger. In order to do this go to the <code>Debuggers </code> tab and click add'''Add'''
[[File:QtCreator XELK 3 0 0 30.png|400px|border|center]]
</pre>
and click '''Apply'''.
[[File:QtCreator XELK 3 0 0 31.png|400px|border|center]]
=== Qt Version ===
Next you need to add the Qt Version installed on your devicesdevice. Go to <code>Qt Version </code> click '''Add ''' and select the following qmake file.
<pre>
/home/dvdk/axel/sdk/xelk-3.0.1latest/sysroots/x86_64-pokysdk-linux/usr/bin/qt5/qmake
</pre>
=== Kits ===
The last step is to add a new kit. Go to <code>Kits </code> and click '''Add ''' and complete the information as showed shown below.
[[File:QtCreator XELK 3 0 0 33.png|400px|border|center]]
Pay attention that in <code>Qt mkspec </code> you should need to write
<pre>
[[File:QtCreator XELK 3 0 0 34.png|400px|border|center]]
After this your setup is complete and you can procede proceed and create your Qt applications.
== Qt application example ==
Now that the setup is finished, you can create your first application
 Open a new terminal and source the enviroment environment variables with the command.
<pre>
dvdk@vagrant-ubuntu-trusty-64:~$ ./source env.sh
</pre>
In the same terminal digit type the following command if (we assume you didendidn't change the default installation directory.)
<pre>
dvdk@vagrant-ubuntu-trusty-64:~$ ./qtcreator-4.35.02/bin/qtcreator
</pre>
Close {{ImportantMessage|text=It is important to repeat the tab and create a new project.previous two step every time you start QTCreator}} Now click on <code>New Project</code>
[[File:QtCreator XELK 3 0 0 11.png|400px|border|center]]
Select Application Qt Widgets Application and click '''Choose...''' 
[[File:QtCreator XELK 3 0 0 12.png|400px|border|center]]
Now call the name Project ''Test '' and pres press '''Next'''.
[[File:QtCreator XELK 3 0 0 13.png|400px|border|center]]
Select the ''XELK Kit '' and click '''Next'''.
[[File:QtCreator XELK 3 0 0 14.png|400px|border|center]]
Choose the ''class '' name for your application.
[[File:QtCreator XELK 3 0 0 15.png|400px|border|center]]
Click finish and '''Finish''' to conclude the setup.
[[File:QtCreator XELK 3 0 0 16.png|400px|border|center]]
Now you will To add a clickable button to your application. In order to do this, select from the <code>Edit </code> window and select <code>Test->Forms->mainwindow.ui</code>
[[File:QtCreator XELK 3 0 0 17.png|400px|border|center]]
To add a Push Button click Click on Push Button in the Buttons tab and drag it to the main widown window view. In order to edit the text displayed by the label, dubble double click it and write ''"Hello World!"''.
[[File:QtCreator XELK 3 0 0 18.png|400px|border|center]]
After that, you need to insert the following two line inside the ''Test.pro '' file
<pre>
target.path = /tmp/Test # path on device
</pre>
<pre>
INSTALLS += target
</pre>
Where <code>/temp/Test </code> is the path in which your application will be dowloaded downloaded inside the device.
[[File:QtCreator XELK 3 0 0 19.png|400px|border|center]]
The last step before running the application inside the device is to select configure Qt backend into application command line arguments: open the <code>Project </code> window and select the <code>Run </code> configuration and as Arguments. , then type <precode>-platform eglfs</precode> into <code>Arguments</code>
[[File:QtCreator XELK 3 0 0 20.png|400px|border|center]]
After these changes you are ready to debug your application directly inside your board with the <code>Run/Debug </code> command[[File:QtCreator XELK 3 0 0 35.png|30px]]
[[File:QtCreator XELK 3 0 0 21.png|400px|border|center]]
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