Building a Qt applications for i.MX6Q

[brianhuang]

I want to build a simple Qt hello world application for i.MX6Q.

I follow the below setps.

1.MACHINE=imx6qsabresd source fsl-setup-release.sh -b imx6qsabresd_x11_qt5 -e x11

2.bitbake meta-toolchain-qt5. And I got a shellscript

~/work/build/tmp/deploy/sdk/poky-glibc-x86_64-meta-toolchain-qt5-cortexa9hf-vfp-neon-toolchain-1.7.sh

3.sh  ~/work/build/tmp/deploy/sdk/poky-glibc-x86_64-meta-toolchain-qt5-cortexa9hf-vfp-neon-toolchain-1.7.sh

4.Install qtcreator  and  edit the /home/brian/Qt5.5.0/Tools/QtCreator/bin/qtcreator.sh，add "source /opt/poky/1.7/environment-setup-cortexa9hf-vfp-neon-poky-linux-gnueabi"

source /opt/poky/1.7/environment-setup-cortexa9hf-vfp-neon-poky-linux-gnueabi

#! /bin/sh

makeAbsolute() {

    case $1 in

        /*)

            # already absolute, return it

            echo "$1"

            ;;

        *)

            # relative, prepend $2 made absolute

            echo `makeAbsolute "$2" "$PWD"`/"$1" | sed 's,/\.$,,'

            ;;

    esac

}

5.

In QtCreator I set

Compiler as

             /opt/poky/1.7/sysroots/x86_64-pokysdk-linux/usr/bin/arm-poky-linux-gnueabi/arm-poky-linux-gnueabi-g++

             

Qt version as

                 /opt/poky/1.7/sysroots/x86_64-pokysdk-linux/usr/bin/qt5/qmake

            

sysroot as

                     /opt/poky/1.7/sysroots/cortexa9hf-vfp-neon-poky-linux-gnueabi

           

and then I build a new project and add some to the .pro file

When I use "build all", I got a compile error as attached file " errorlog"

Do I miss somthing?

Original Attachment has been moved to: errorlog.zip

[LuisCasado · Accepted solution]

Hello,

I configure the KIT :

And I select the KIT when I create the project:

The other configuration I have is the same as you.

Luis

[brianhuang]

Hi Luis Casado

Thanks for your help.

I follow your setting. The build is OK.

But I got another error ,when I use "Run" or "Deploy All" .

My Device setting as

My question is

Could I deploy an qt output file on my PC and copy this file to SD  and excute like as "./qtoutputfile " on my i.MX6Q-sabresd board?

Thank you.

[isaac_ng]

It seems using openssh instead of dropbear could get it to work.

Test on L3.14.28_1.0.0-GA release and this is my local.conf:

MACHINE ??= 'imx6qsabresd'

DISTRO ?= 'poky'

PACKAGE_CLASSES ?= "package_rpm"

EXTRA_IMAGE_FEATURES = "debug-tweaks ssh-server-openssh tools-debug eclipse-debug"

USER_CLASSES ?= "buildstats image-mklibs image-prelink"

PATCHRESOLVE = "noop"

BB_DISKMON_DIRS = "\

    STOPTASKS,${TMPDIR},1G,100K \

    STOPTASKS,${DL_DIR},1G,100K \

    STOPTASKS,${SSTATE_DIR},1G,100K \

    ABORT,${TMPDIR},100M,1K \

    ABORT,${DL_DIR},100M,1K \

    ABORT,${SSTATE_DIR},100M,1K"

PACKAGECONFIG_append_pn-qemu-native = " sdl"

PACKAGECONFIG_append_pn-nativesdk-qemu = " sdl"

ASSUME_PROVIDED += "libsdl-native"

CONF_VERSION = "1"

BB_NUMBER_THREADS = '8'

PARALLEL_MAKE = '-j 8'

DL_DIR ?= "${BSPDIR}/downloads/"

ACCEPT_FSL_EULA = ""@

CORE_IMAGE_EXTRA_INSTALL += "kernel-dev"

IMAGE_INSTALL_append += "openssh-sftp-server openssh-sftp"

[brianhuang]

Hi

Could I deploy an qt application output file on my PC and copy this file to SD  and excute like as "./qtoutputfile " on my i.MX6Q-sabresd board?

Thank you.

[isaac_ng]

It is supposing you are connecting the i.MX6 device board and the PC in the network and then you could download the qt application to run on i.MX6 device board via qtcreator. Is it what you want to achieve?

[brianhuang]

Hi Heifatisaac Ng ,

Thanks for your help!

[brianhuang]

Hi All,

Thanks for your explanation. I understand the meaning of this setting.

I don't use network. Because My mockup doesn't have network.

I try the below steps ,but fail.

1.After I built my project, I got  this file "Test09171950"

2.I copy this file "Test09171950" to the root file system in my SD Card

3.I excute this qtapplication by command line. but I got error.

How can I fix this problem?

Thank you.

[LuisCasado]

Hello,

Try :

$export DISPLAY=:0

Luis

[brianhuang]

Hi Luis Casado,

Thanks for your help.It's OK.

Is the setting  "$export DISPLAY=:0 " necessary for Qt application?

[LuisCasado]

Hello,

No for QT, but for X11 backend.

The DISPLAY variable is not used by X itself.  It tells X11 applications which screen they should run on. The reason this variable is needed is because you can have multiple X servers running locally, or you may wish to use a remote display. So if the DISPLAY variable is not set, your X11 apps have no idea where you want them to run.

Luis

[brianhuang]

Hi Luis Casado ,

Thanks for your help!

[LuisCasado]

Hello,

I have this configuration on the QT creator for debugger and device:

In my conf/local.conf

I have:

EXTRA_IMAGE_FEATURES = "debug-tweaks tools-debug eclipse-debug ssh-server-openssh"

CORE_IMAGE_EXTRA_INSTALL += "openssh-sftp openssh-sftp-server"

And also don't forget add to your *.pro file

target.path = /home/root

INSTALLS += target

Luis