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how to start GUI for STM32MP135F-DK using QT

JPabl.1
Senior

Hi there TouchGFX team!

I've a STM32MP135F-DK and I would like to run it using QT, where do I start?

QT seems to have several examples but there's a lot of apps that I don't even know where to start. 

 

Thanks a lot in advance!

2 REPLIES 2
PPAGE.13
ST Employee

Hello @JPabl.1 

for Qt support on MP135, you will have two options:

- X-LINUX-QT expansion package that comes with OpenSTLinux Distribution

https://wiki.st.com/stm32mpu/wiki/X-LINUX-QT_Expansion_Package

- or a "QBSP" if you have a Qt commercial license.

 

Today there is not yet an official MP135 X-LINUX-QT or QBSP. But there will be released in the coming weeks.

 

For experience users, the current X-LINUX-QT package can be used for a "stm32mp135-disco" MACHINE.

It will requires skills to setup the environment and make appropriate modifications.

I listed these modifications below in case you or anybody are interested in.

1- First look at the Distribution package installation:

https://wiki.st.com/stm32mpu/wiki/X-LINUX-QT_Expansion_Package#How_to_install_Distribution_Package

But setup for "stm32mp13-disco" machine:

DISTRO=openstlinux-weston MACHINE=stm32mp13-disco BSP_DEPENDENCY="layers/meta-qt5 layers/meta-st/meta-st-x-linux-qt" source layers/meta-st/scripts/envsetup.sh

 

2- In layers/meta-st/meta-st-x-linux-qt/recipes-qt/qt5/qtbase_git.bbappend, add:
PACKAGECONFIG += " \
linuxfb \
"

3- Build and flash your image
bitbake st-image-qt

 

4- On target:
killall stlauncher
systemctl stop weston-graphical-session.service
export QT_QPA_PLATFORM=linuxfb
export QT_QPA_FB_DRM=1

Run your application.

Note: the way to compile a Qt application (Yocto receipe or Qt creator setup with a generated SDK) is not described here.

For Qt creator setup, you can have a look at:

https://community.st.com/t5/stm32-mpus-embedded-software-and/qt-creater-setup-for-stm32mp1/m-p/706440

 

Hope it will help,

Philippe.

 

 

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JPabl.1
Senior

We changed the target to the STM32MP157F-dk2, and we have the Qt commercial license.

I tried creating my embedded Linux image using the b2qt manifest 6.7.3 because I used qt 6.73 to create the app. It didn't work out and I feel I'm getting nowhere following that path. 

Now, I'm trying the stm path and so far I installed the starter package and I'm building the distribution package with machine=stm32mp15-disco and st-image-weston, which I hope will be the ground base to add my qt app when it builds. 

The github page says x-linux-qt has support for this board, so I suppose I can just add that layer and build "st-image-qt", and then add my custom recipe with the qt app on it?

I already bitbake the custom recipe with the qt app and it worked with meta-qt6, but the full image wasn't able to built. 

Should I use meta-qt5 or meta-qt6 with openstlinux? or thats already implemented in x-linux-qt?

 

You mentioned qt creator setup, but I don't think I need it because I only want to build the image to be used in the microsd card