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Found 3 results

  1. I am using Xlinux ZYBO-7000 board with Debian Jessie Linux, the FPGA programming is done by my professor. as part of my project I have to display my PyQt5 application via HDMI, in order to display pyqt45 application via HDMI, I have to point PyQt5 application to framebuffer /dev/fb0. but it gives me "cannot connect to X server" error. I had used qt designer to create my GUI application in ubuntu16.4 and then I copy my project into ZYBO (Debian-Jessie). but then I find out that I have to compile pyqt5 with linuxfb then it will display GUI into framebuffer. but I do not know how to do it? I search on the internet but I could not found a solution. can anyone please suggest me so tutorial or something regarding how to run the pyqt5 application in zybo 7000?
  2. Finally working! Brief description: On right monitor is ssh session from my devel PC to Zyboz7-20 where I start Qt applications (framebuffer and sysinfo on attached picture). Front monitor is connected to ZyboZ7-20 HDMI output port. Monitor resolution is SXGA (1280x1024@60fps). FPGA: - Build with Vivado 2016.4 - Data path for HDMI output: /dev/fb0 DDR image buffer --> Zynq AXI HP port --> AXI Protocol Converter IP (AXI3 to AXI4) --> VDMA IP (mm2s only) --> AXI4 Stream to Video IP --> Digilent RGB to DVI IP --> HDMI connector Video control signals are from Video Timing Controller IP (1280x1024p, Pixel clock is 108MHz). On SD card: - Boot image containing: FSBL, U-boot (Xilinx git tag xilinx-v2017.3), LX 4.6 kernel (configured and build from Xilinx git tag xilinx-v2016.4) and Buildroot-2017.08.1 - Modified Simple FrameBuffer driver. - Xilinx DMA driver. - My custom driver to control FPGA modules (VTC, Xilinx Performance monitor and some others I have in design). - Cross compiled Qt-4.8.6 examples (analogclock, framebuffer) and Qwt-6.1.3 examples (sysinfo, cpuplot). TODOs: - Simple FrameBuffer driver does not starts Xilinx DMA driver transfers, so I have to configure VDMA IP registers manually. But this is good enough for my first run and proof of concept. I will switch to and continue with DRM device driver. - Inputs (mouse and keyboard) to control Qt application.
  3. Bonsoir, Je suis entrain de faire un petit projet avec la carte ZYBO. Et vu que 'c'est ma première utilisation de cette carte, j'ai eu des problèmes et j'aimerais bien que vous pouvez m'aider. Mon problème c'est : Comment je peux contrôler une interface graphique créer sur QT avec les différents composant de la carte ( buttons, leds et switchs ) . Par exemple : Lire les état des leds et des switchs . ou par exemple, quand je clique sur un bouton, un checkbox sera coché sur mon application. J'ai installé Xillunix 2.0-Beta comme système d'exploitation pour la carte. Merci d'avance, Translation for English readers: Good evening, I am doing a small project with the ZYBO card. And since 'this is my first use of this card, I had problems and I wish you could help me. My problem is: How can I control a graphical interface create on QT with the various components of the map (buttons, leds and switches). For example: Read the status of leds and switches. or for example, when I click on a button, a checkbox will be checked on my application. I installed Xillunix 2.0-Beta as the operating system for the card. Thank you in advance,