Difference between revisions of "DESK-MX-L-AN-0007: Getting Started With QT Creator"

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<pre>
 
<pre>
 
dvdk@vagrant-ubuntu-trusty-64:~$ cd axel/
 
dvdk@vagrant-ubuntu-trusty-64:~$ cd axel/
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</pre>
 +
<pre>
 
dvdk@vagrant-ubuntu-trusty-64:~/axel$ ./qt-creator-opensource.run
 
dvdk@vagrant-ubuntu-trusty-64:~/axel$ ./qt-creator-opensource.run
 
</pre>
 
</pre>
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<pre>
 
<pre>
 
dvdk@vagrant-ubuntu-trusty-64:~$ cd axel/
 
dvdk@vagrant-ubuntu-trusty-64:~$ cd axel/
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</pre>
 +
<pre>
 
dvdk@vagrant-ubuntu-trusty-64:~/axel$ ./qt-post-install.sh
 
dvdk@vagrant-ubuntu-trusty-64:~/axel$ ./qt-post-install.sh
 
</pre>
 
</pre>
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</pre>
 
</pre>
  
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Click <code>New Project</code>
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<span style="color:#ff0000"> It is important to repeat the previous two step each time you close the Qt Creator application </span>
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Now click on <code>New Project</code>
  
 
[[File:QtCreator XELK 3 0 0 11.png|400px|border|center]]
 
[[File:QtCreator XELK 3 0 0 11.png|400px|border|center]]
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[[File:QtCreator XELK 3 0 0 12.png|400px|border|center]]
 
[[File:QtCreator XELK 3 0 0 12.png|400px|border|center]]
  
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Now call the name Test and pres Next.
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Now call the Project Test and pres Next.
  
 
[[File:QtCreator XELK 3 0 0 13.png|400px|border|center]]
 
[[File:QtCreator XELK 3 0 0 13.png|400px|border|center]]
  
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Select the XELK Kit and click Next.
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Select the XELK Kit and click '''Next'''.
  
 
[[File:QtCreator XELK 3 0 0 14.png|400px|border|center]]
 
[[File:QtCreator XELK 3 0 0 14.png|400px|border|center]]
  
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Choose the class name for your application.
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Choose the ''class'' name for your application.
  
 
[[File:QtCreator XELK 3 0 0 15.png|400px|border|center]]
 
[[File:QtCreator XELK 3 0 0 15.png|400px|border|center]]
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[[File:QtCreator XELK 3 0 0 16.png|400px|border|center]]
 
[[File:QtCreator XELK 3 0 0 16.png|400px|border|center]]
  
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Now you will add a button to your application. In order to do this, select  the <code>Edit</code> window and select <code>Test</code>-><code>Forms</code>-><code>mainwindow.ui</code>
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To add a clickable button to your application, select  the <code>Edit</code> window and select <code>Test</code>-><code>Forms</code>-><code>mainwindow.ui</code>
  
 
[[File:QtCreator XELK 3 0 0 17.png|400px|border|center]]
 
[[File:QtCreator XELK 3 0 0 17.png|400px|border|center]]
  
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To add a Push Button click on Push Button in the Buttons tab and drag it to the main widown view. In order to edit the text displayed by the label, dubble click it and write ''"Hello World!"''.
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Click on Push Button in the Buttons tab and drag it to the main widown view. In order to edit the text displayed by the label, dubble click it and write ''"Hello World!"''.
  
 
[[File:QtCreator XELK 3 0 0 18.png|400px|border|center]]
 
[[File:QtCreator XELK 3 0 0 18.png|400px|border|center]]
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<pre>
 
<pre>
 
target.path = /tmp/Test # path on device
 
target.path = /tmp/Test # path on device
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</pre>
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<pre>
 
INSTALLS += target
 
INSTALLS += target
 
</pre>
 
</pre>

Revision as of 10:36, 22 February 2018

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Setting up Qt Creator to build for XELK[edit | edit source]

Qt Creator Installation[edit | edit source]

To install Qt Creator inside your toolchain lunch a terminal emulator and run 

dvdk@vagrant-ubuntu-trusty-64:~$ cd axel/

dvdk@vagrant-ubuntu-trusty-64:~/axel$ ./qt-creator-opensource.run

An installation wizard will appear. Clik Next to proced with the installation.

QtCreator XELK 3 0 0 01.png

Select Skip.

QtCreator XELK 3 0 0 02.png

Select Next.

QtCreator XELK 3 0 0 03.png

Select the install directory or click Next.

QtCreator XELK 3 0 0 04.png

Select Next.

QtCreator XELK 3 0 0 05.png

Click Next again.

QtCreator XELK 3 0 0 06.png

And then click Install and complete the installation.

QtCreator XELK 3 0 0 07.png

And then Finish to exit the setup wizard.

QtCreator XELK 3 0 0 08.png

Automatic configuration[edit | edit source]

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, run the following commands inside your terminal emulator. 

dvdk@vagrant-ubuntu-trusty-64:~$ cd axel/

dvdk@vagrant-ubuntu-trusty-64:~/axel$ ./qt-post-install.sh

If the installation process went ok, you should see inside the Tools->Options -> Kits a kit named XELK.

QtCreator XELK 3 0 0 09.png

Select the Kits tab and make sure that your configurations mateches the one displayed.

QtCreator XELK 3 0 0 10.png

Manual configuration[edit | edit source]

Devices[edit | edit source]

Go to Tools->Options menu

QtCreator XELK 3 0 0 09.png

select Devices and click Add

QtCreator XELK 3 0 0 22.png

Choose the generic linux device

QtCreator XELK 3 0 0 23.png

Insert the ip address of your device and the username and password of the root account. Make sure that the device is connected to the network and your virtual machine is configured to use a bridge connection and click Next.

QtCreator XELK 3 0 0 24.png

If everithing went ok you should see a dialog like the next one

QtCreator XELK 3 0 0 25.png

And finally this is how the Devices window should look like

QtCreator XELK 3 0 0 26.png

GCC & Cross Compilation[edit | edit source]

Next you need to configure the cross compilation tool inside Build & Run -> Compiler.

QtCreator XELK 3 0 0 27.png

Click Add -> GCC and add the compiler path. 

/home/dvdk/axel/sdk/latest/sysroots/x86_64-pokysdk-linux/usr/bin/arm-poky-linux-gnueabi/arm-poky-linux-gnueabi-gcc

And click Apply.

QtCreator XELK 3 0 0 29.png

Do the same fort the C++ cross compilation tool. 

/home/dvdk/axel/sdk/latest/sysroots/x86_64-pokysdk-linux/usr/bin/arm-poky-linux-gnueabi/arm-poky-linux-gnueabi-g++
QtCreator XELK 3 0 0 28.png

Debugger GDB[edit | edit source]

Now it is necessary to add a debuger. In order to do this go to the Debuggers tab and click Add

QtCreator XELK 3 0 0 30.png

And then select the GDB debugger at the location 

/home/dvdk/axel/sdk/latest/sysroots/x86_64-pokysdk-linux/usr/bin/arm-poky-linux-gnueabi/arm-poky-linux-gnueabi-gdb

and click Apply.

QtCreator XELK 3 0 0 31.png

Qt Version[edit | edit source]

Next you need to add the Qt Version installed on your devices. Go to Qt Version click Add and select the following qmake file. 

/home/dvdk/axel/sdk/xelk-3.0.1/sysroots/x86_64-pokysdk-linux/usr/bin/qt5/qmake
QtCreator XELK 3 0 0 32.png

Kits[edit | edit source]

The last step is to add a new kit. Go to Kits and click Add and complete the information as showed below.

QtCreator XELK 3 0 0 33.png

Pay attention that in Qt mkspec you should write 

linux-oe-g++
QtCreator XELK 3 0 0 34.png

After this your setup is complete and you can procede and create your Qt applications.

Qt application example[edit | edit source]

Now that the setup is finished, you can create your first application Open a new terminal and source the enviroment variables with the command. 

dvdk@vagrant-ubuntu-trusty-64:~$ ./env.sh

In the same terminal digit the following command if you diden't change the installation directory. 

dvdk@vagrant-ubuntu-trusty-64:~$ ./qtcreator-4.3.0/bin/qtcreator

It is important to repeat the previous two step each time you close the Qt Creator application

Now click on New Project

QtCreator XELK 3 0 0 11.png

Select Application Qt Widgets Application and click Choose...

QtCreator XELK 3 0 0 12.png

Now call the Project Test and pres Next.

QtCreator XELK 3 0 0 13.png

Select the XELK Kit and click Next.

QtCreator XELK 3 0 0 14.png

Choose the class name for your application.

QtCreator XELK 3 0 0 15.png

Click Finish to conclude the setup.

QtCreator XELK 3 0 0 16.png

To add a clickable button to your application, select the Edit window and select Test->Forms->mainwindow.ui

QtCreator XELK 3 0 0 17.png

Click on Push Button in the Buttons tab and drag it to the main widown view. In order to edit the text displayed by the label, dubble click it and write "Hello World!".

QtCreator XELK 3 0 0 18.png

After that, you need to insert the following line inside the Test.pro file 

target.path = /tmp/Test # path on device

INSTALLS += target

Where /temp/Test is the path in which your application will be dowloaded inside the device.

QtCreator XELK 3 0 0 19.png

The last step before running the application inside the device is to select the Project window select the Run configuration and as Arguments. 

-platform eglfs
QtCreator XELK 3 0 0 20.png

After these changes you are ready to debug your application inside your board with the Run/Debug commandQtCreator XELK 3 0 0 35.png

QtCreator XELK 3 0 0 21.png
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