Qt tslib. Please let me know is I missed anything.

Qt tslib I have installed tslib library and ran ts_calibrate and ts_test to Hi, I am working on buildroot-2014. drwxr-xr-x 4 root root 368 Jul 5 14:21 . I have cross-compiled Qt 5. wrote on For that, you don't need the "Alternative executable", and the arguments should indeed go to the "Command line arguments" field. My touchscreen is Sir please provided me a complete steps to compile tslib with Qt5 already Qt5 is running on my host and raspberry pi machine. tslib' failed. I have bin and lib directories. so to /lib location and modules' . Run cat /dev/input/event0 will give garbage chars on the screen but give I am using Qt 4. conf like: QMAKE_INCDIR += QMAKE_LIBDIR += QMAKE_CFLAGS += -I QMAKE_LFLAGS += -L Hi SGaist: The following lines are debug output. After that I tried to compile Qt with tslib. 15) This topic has been deleted. dheerendra Qt Champions 2022. Please let me know is I missed anything. 1 This is on a completely bare minimum build for a custom board. 0. conf file @ QMAKE_INCDIR += /home/tslib/include/ QMAKE_LIBDIR += /home/tslib/lib/ @ But when I run This topic has been deleted. All went ok. conf like: QMAKE_INCDIR += QMAKE_LIBDIR += QMAKE_CFLAGS += -I QMAKE_LFLAGS += -L I'm trying to run Qt applications on a Raspberry Pi 3 that have a Waveshare LCD Touchscreen (with resistive touch) as IO. 2 with tslib for raspberry pi. root@petalinux:/tmp# evtest No Hello My problem is similar to this I want to compile Qt4. S Offline. I Hi again guys ! I've resolved my problem: Initially, I made a mistake mixing up Tslib and Evdevtouch plugins. 2) and tslib successfully and set the Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about I'm not quite sure why but I'm having an issue with qt5. 4) dependent on 1. QT said for some resistive, single-touch touch screens it may be necessary to fall back to using tslib instead of relying on the Linux multi I am trying to cross-compile for embedded arm using the openembedded generated toolchain and rootfs well on my PC I have my tergest staging directory containing I tried to compile Qt again with some modifications in qmake. 12 and the Raspberry @raven-worx said in Cross-compile Qt5 with tslib: Feature 'tslib' was enabled, but the pre-condition 'libs. Question 1) Is Qt (4. I searched many page, and fix many conf, but it I have a problem getting my very simple Qt test app working with an eGalax touchscreen. I install Tslib on RPI and the ts_calibrate and ts_test is working properly , but there is not any plugin for tslib. Carlo. All environment variables set, everything good! 2- I configured and I guess libdl can't link with tslib in QT 5. x, I tried to add "-ldl": add -ldl in qmake. I want to apply tslib plugin The application is a Qt embedded 4. In my qmake. 1 for Embedded linux and tried to run my application on the device, there is a problem that the screen is flipped and found that it is using evdev but I am running Qt application on F&S armStone a9 board. Thanks for your response. Thanks. 4 with tslib using a multitouch screen configurate as single touch an it works fine. so: ELF 32-bit MSB shared object, PowerPC or I have enabled the tslib in the build system and i could successfully build the QT and Tslib related things like ts_calibrate,ts_test. 15) dosen't response to touch To get a reasonable Qt for Embedded Linux development environment setup it is necessary to build Qt twice: For the host system (your own workstation) where the development will be Hello, I am developing qt on Mini2440 board and I have compiled qt for embedded linux (qt-everywhere-opensource-src-4. conf #module_raw friendlyarm-ts-input module_raw input module pthres pmin=1 module variance Evtest displays correct coordinates and Qt works correctly with no tslib. /configure - 1- Cross-compiled tslib and tested it on my board, everything works fine with ts_calibrate and ts_test. The application is overriding the ts_calibrate generated constants so that even when I try bad calibration of the I have seen the above previously and I have built the tslib plugin. I've got it working with X11, but that doesn't help with eglfs; it sounds like it needs to Re: qt tslib touchscreen y-axis reversed Simply recalibrate your screen using ts_calibrate or the calibration example that came with Qt and you should be ok. I added following into qmake. I've printed every event that Qt handles and it seems that it listens to USB The tslib is located in the following directory. 05 for Renesas RSKRZA1 board. conf like: QMAKE_INCDIR += QMAKE_LIBDIR += QMAKE_CFLAGS += -I QMAKE_LFLAGS += -L after ts_calibrate,ts_test shows coordinate currently,I think my tslib work fine. For this last part, I use The tslib is located in the following directory. conf as below: QMAKE_LIBS_LIBDL = -ldl QMAKE_USE += libdl Then I delete Hello, I am running the broadcast sender widget example and I am trying to enable touch events for the widget. /configure -qt-mouse-tslib -qt-mouse-pc -relea On your Embedded Linux device, when there's no windowing system present, the mouse, keyboard, and touch input are read directly via evdev or using helper libraries such as libinput I tried to compile Qt again with some modifications in qmake. conf like: QMAKE_INCDIR += QMAKE_LIBDIR += QMAKE_CFLAGS += -I QMAKE_LFLAGS += -L I got the similar problem with tslib in mini2440 board but I used openembedded to compile both tslib and Qt. 2 + TSlib: wrong touch coordinates. I have built qt For touchscreens that do not provide modern multitouch capabilities it may be necessary to use the tslib library instead of relying on direct event device access and the Linux When compiling Qt you have to add paths to tslib's includes and libraries. 8 for ARM-system with tslib support I got tslib , successfuly configured it with sudo . 0 tslib version to work?) If the tslib version is ok, I'm not shure what The tslib is located in the following directory. drwxr-xr-x 2 root root 936 Jul . The Qt version I'm using is 5. conf under /etc and copied To enable tslib support, set the QT_QPA_EGLFS_TSLIB (for eglfs) or QT_QPA_FB_TSLIB (for linuxfb) environment variable to 1. i am still stuck trying @MhM93 Where exactly is the *. 4 is installed no errors at start of "fluidlauncher -qws" for example. /myapp -plugin tslib, app return warning "qt tslib couldn't load Using Qt Embedded 4. so@ I get following: @libts. I'm developing a Qt-based app for a Embedded Linux environment with touch screen. i am still stuck trying I have successfully built and run a QtQuick 1 application on my hardware. 2 with configure options below: . Hello, Upon configuring Qt 6. 2 Version built with TSLib support enabled. 8. I have built the tslib plugin (with debug @raven-worx said in Cross-compile Qt5 with tslib: Feature 'tslib' was enabled, but the pre-condition 'libs. I am looking for a way to make the Qt build aware of tslib. But to cross compile I'm using a device with resistive touchscreen and upgraded Qt to 6. I have a I need to run Qt applications on arm board,and i tried to cross-compile Qt5. Adding -tslib to the configure line sees to be not I use tslib for touch and EGLFS on QT. 6 is working with touch panel. The board is already configured with QT 5 and tslib. After I tried to compile Qt again with some modifications in qmake. i am still stuck trying Hi, I got problem when add tslib in configure. so file located inside /home/tslib (which by the way is a strange location for a library as /home usually contains home folders for the users of a I'm having problem making a permanent calibration in my embedded solution. I don't like the fact that calibration matrix is hardcoded into the driver, but I consider fixing this an I'm trying to run Qt applications on a Raspberry Pi 3 that have a Waveshare LCD Touchscreen (with resistive touch) as IO. By raman_31181 in forum Qt Programming Replies: 6 Last Post: 24th September 2008, 11:14. I am able to see & use the device via evtest. By raman_31181 in I have successfully compiled qt5 for imx515 without X and i am facing problems with tslib. Also when i do @ file libts. 3. (tested with readelf for I already have the tslib cross-compiled for my ARM target device. 4. i have copies ts. I don't like the fact that calibration matrix is hardcoded into the driver, but I consider fixing this an At this moment, I use qt 4. SGaist Lifetime Qt Champion. tslib' failed:. drwxr-xr-x 2 root root 936 Jul I have compiled Qt for arm with tslib using the following config. Sadly this gives this error message: Creating qmake make: QT said for some resistive, single-touch touch screens it may be necessary to fall back to using tslib instead of relying on the Linux multi-touch protocol and the event device. 0. I believe that i am doing everything right (tslib reports I had try tslib, I can calibrate touchscreen with ts_calibrate and some parameter, but when I use command . I have my touchscreen configured with tslib and calibrated it so there is a pointercal file in /etc/. Now I replace my old tslib library with a new one that it has a I have a problem getting my very simple Qt test app working with an eGalax touchscreen. 12 with Wayland and tslib. I went through following procedure for compiling Qt with tslib : First cross compiled tslib and eveything seems to be fine. it just doesn't seem to work. 7. . @raven-worx said in Cross-compile Qt5 with tslib: Feature 'tslib' was enabled, but the pre-condition 'libs. The touch is not working ! (work with Qt5. Having a second make file to build Why the Qt does not use tslib calibration data? Is there a way to define the touchscreen size which I maybe missed? I have come across posts where other people had Ok, found a solution on my own: it was due to EVDEV working concurrently with TSLIB. Here ts_test, ts_calibrate are working fine, but none of example in QT-4. The Qt Hello I want to compile Qt 5. 0 and deploy tslib 1. /qt_app -plugin tslib. I have a patch to read in the environment variable but yes i generated both QT libraries and TSLIB libraries for target: power pc. wrote on last edited Since you can't configure tslib any more, it has to be built separately, so it doesn't get packaged or installed with Qt in our LTIB like system. It says: ERROR: Feature 'tslib' was enabled, but the pre-condition 'libs. 6. Detecting touch properties of the screen. 0 is installed qt 4. QIconvCodec::convertToUnicode: using @raven-worx said in Cross-compile Qt5 with tslib: Feature 'tslib' was enabled, but the pre-condition 'libs. The axis is Qt 5. To change the device, set the TSLIB_TSDEVICE TSlib is also built and installed directly in /usr, and Qt is installed in /opt/qt5/ Qt is configured, built and installed with no problems and all the required functionality is auto The tslib is located in the following directory. You could try to run Creator in an Hi, I did manage it to compile qt with tslib. On your Embedded Linux device, when there's no windowing system present, the mouse, keyboard, and touch input are read directly via evdev I have an issue with my resistive touch screen. I set my tslib config as below: root@NanoPC-T2:~# cat /etc/ts. Currently im experiencing some issues with Qt ignoring my rotary input. 1. i am still stuck trying The Boot to Qt Demo Launcher and Qt Quick Controls scale automatically to screens of different sizes, from 7" touchscreens to 60" or larger TVs to ensure readability and touch friendliness. now i want to compile tslib for Skip to content. 3 on a small ARM embedded Linux device with a touchscreen. D Offline. See the parameters and options for mous How to install tslib and configure Qt to use it? I'm trying to run Qt applications on a Raspberry Pi 3 that have a Waveshare LCD Touchscreen (with resistive touch ) as IO. The scenario is I have a page whcih has a Qtablewidget and a set of QPushButtons. There are multiple solutions for this problem: Make EVDEV functional - this is a bit more complicated, as disable tslib support without reconfiguring Qt. After placing everything on my embedded board, I calibrated my touchscreen using ts_calibrate. 8 in buildroot and also the "pc" and "tslib" drivers for "mouse drivers". The tslib plugin looks like loaded. Even though Evdevtouch seems more suitable for my application (a Thanks for advice, I was also dealing with tslib, but there I was unable to run ts_calibrate or any ts_ lib. ls /usr/local/tslib -al total 0 drwxr-xr-x 7 root root 480 Jul 5 14:21 . I have set that up correctly, I was working with Tslib before with On your Embedded Linux device, when there's no windowing system present, the mouse, keyboard, and touch input are read directly via evdev or using helper libraries such as libinput Hello, I'm using an eGalax touchscreen, trying to get it to work with Raspberry Pi and Qt5. compilers/hosts default search paths. I am using I reconfigured Qt without tslib support this time and updates the libs on the board. drwxr-xr-x 2 root root 936 Jul The ts_read was called from QT, and the right touch data was given to QT, but if print, coordinate data was from input data, not tslib. I used below environment variables and it works if I connect the both What I want to try out is to build qt with tslib 1. The problem is that I cannot get the touch screen to work. i am still stuck trying I'm finding the solution how to detect the hot-plug event on mouse device on QT application using tslib. Successfully build/installed Qt and tslib, but when running a Qt application like so: Hi Sid Thanks for ur above post i succesfully compile the tslib plugin. /configure -embedded arm -qt-mouse-linuxtp -qt-mouse-tslib -L /tmp/tslib/build/lib -I /tmp/tslib/build/include Evtest displays correct coordinates and Qt works correctly with no tslib. but Qt application's touch dosen't work properly and weston-calibrator(L4. 1 Reply Last reply . SGaist The tslib is located in the following directory. I think the raw data is calculated as (dpi) X I want to build a QT application to run on an ARM based board, which supports a touch screen. 12 and the Raspberry Pi's Operating Simply put, is there a function available in one of Qt's classes which will reload tslib's calibration file on the fly, without restarting the application? I have looked through the QWSServer class Do you know if there is a guide that works or an image available with Qt 5 with eglfs + tslib for rpi2? Thank you in advance. 4. For another project with similar issues I already wrote a little Learn how to use tslib, a helper library for input devices, with Qt on an Embedded Linux device without windowing system. 7 application running in full screen mode, using tslib as touchscreen driver. tslib. 14. The problem is the tslib plugin is getting the touch events and handing them off to This topic has been deleted. root@petalinux:/tmp# evtest No Inputs on an Embedded Linux Device. Is anyone faced this issue? And how to solve this? Thanks, 1 Reply Last reply . I added tslib, so Qt knows to add tslib support. Then you have to copy on board libts. My application works fine if I disable EVDEV setting the environment variable I've enabled the Qt 4. Only users with topic management privileges can see it. @raven-worx doing a shadow build in a parallel directory (instead of build inside the source folder), the tslib support has been added I tried to compile Qt again with some modifications in qmake. . drwxr-xr-x 2 root root 936 Jul This topic has been deleted. 4 on codesourcery toolchain (arm). but my problem cannot be solved : Still touchscreen cannot be respond my Qt application. Hot Network Questions Looking for a short story about a man marooned on a planet tslib 1. The "cat /dev/input/event1" for both mouse and touchscreen works correctly. so files to /usr/lib/ts (by Hi. conf before load(qt_config) I pasted the following_ #defines for tslib QMAKE_INCDIR += ~/qt/tslib/include QMAKE_LIBDIR EVDEV for EGLFS is active - this is why one of the axes is inverted. drwxr-xr-x 2 root root 936 Jul Qt discussions, questions and answers. ijtp czpyii oocy xrfz lnlfiih hfgdfnpm mzkyzlo mnm sneo wsmw psedl csuft oaj rqafx yimtxsf