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Found 7 results

  1. Hello all, I am trying to set up a CAN communication between a ZYBO Z7 Board with a PmodCAN Controller (connected on JE) and a Raspberry PI 3 using a Niren CAN Module as Controller. Letting 2 Raspberries communicating which each other via SocketCAN works fine, both can send and receive CAN data. Now if I try to let the Zybo communicate with the Raspberry using the example codes for transmit and receive data there seems to be no data on the bus. Neither the Zybo receives any data from the RPi nor the RPi from the Zybo. I have created a block design and tried the example codes according to the guide from the digilentinc website here . The LoopBack example does work as intended, Tera Term shows the messages being send, fetched and received. Just when I try to send data from the RPi the Zybo waits endlessly and any data send out from the Zybo wont be caught by the RPi. I have tried different bitrates to no avail. Any help or directing towards the right path in case i am way off in what i am trying is greatly appreciated. The block design is attached. Cheers
  2. Hello Digilent Community, I am working on a image processing project and was wondering if anyone had advice or could point me in the right direction. I have tried following some tutorials and example projects, but I am still trying to wrap my head around Xilinx Vivado and SDK. The project really shouldn't be very difficult, I think I am just missing some information or the best way to go about doing it. For the project I am using the Zybo z7-20 development board and want to save two images to an SD card. The two pictures are black and white frames from a video just seconds apart, so there is only slight change in the frames themselves. I want to compare the two frames and output either a black and white image of the change in pixels or a binary file of '0' being an unchanged pixel and '1' being a change in the pixel. MATLAB has the 'Computer Vision System Toolbox' 'Tracking Cars Using Foreground Detection' Simulink example that is similar to what I want to do on the Zybo z7-20 FPGA. The following figure show the original video (right) with blob detection (the green square) and the binary output image of the change in pixels in the foreground (left). I want to use the Zynq Processor and write C code to do the analysis, but I haven't found a clear way to access the SD card from the Xilinx SDK. The following figure is of my current Block Design with only the Zynq Processor as well as some GPIO to test. I am still researching and looking at examples to compare, but wanted to see if the community had any pointers or if someone has done this before. I am a college student and I have been really interested FPGA's and digital design for the past 6-9 months, but I have mainly written my own Verilog code and haven't worked with block design or running C code on any of my designs. Any comments or suggestions would be great. Thanks!
  3. I am getting starting with Vivado_HLS 2018.2 and the zyboZ7-20 board. When attempting to create a project I find no default setting for the zyboZ7-20 board in the Vivado HLS "Part Selection". What is the recipe for giving the zyboZ7-20 board information to Vivado HLS? I see there are some examples using Vivado, but none using Vivado HLS. Being new at this, step-by-step would be very helpful. Thanks
  4. Hi everyone, So I have spent probably too much time trying to figure this stuff out on my own. I should preface this with I have little to no experience with these types of boards (FPGA). I followed the Demo documentation (https://reference.digilentinc.com/learn/programmable-logic/tutorials/github-demos/start ) line by line, multiple times and keep netting the same results. I have installed version "Vivado Design Suite & Xilinx SDK 2016.4" and downloaded the appropriate project files for the PCAM 5D project (2016.4) I am using a windows 10 machine. The demo instructions don't actually tell you how to get the camera to turn on. It tells you how to program and connect everything and then jumps into how to communicate via the UART communication channel..so it could be as simple as I'm missing the most obvious step due to my lack of experience. All I ever get through HDMI is what appears to be called the "Zybo Z7-20 Rev. B Demo Image" it comes up on power on, goes away during programming, and when I run either fsbl or pcam_vdma_hdmi the screen will go black for a moment then come back to the moving color "demo screen" any input/guidance would be greatly appreciated
  5. Hi, I am new to the Zybo Z7 platform. I watched a video from Xilinx on using Xilinx SDK to run a simple "Hello World" program on the on-board processor. Following the steps shown in the video would however not work, as SDK doesn't recognize the Zybo Z7 board (Zybo-Z7-20). I followed the steps shown in the tutorial here and was able to get the "Hello World" displayed on the SDK terminal. Here are my questions: 1. Do we always have to "Export Hardware" and launch SDK from Vivado? In other words, can we directly launch SDK, create a new application project and somehow select the right hardware platform for the Zybo Z7 board? Are there any files we could copy to make SDK understand the Zybo Z7 board? 2. After writing the C code that is to be executed on the PS, the tutorial asks us to program the FPGA first and then run the application code. However, the Xilinx video doesn't involve the programming FPGA step. Can someone please explain why it is required in one case and not required in the other? Thanks in advance.
  6. I am trying to connect my PMOD MTDS to the Zybo Z7, without Arduino. I have integrated the IP files, connected it via block diagram, and set up a FAT32 microSD with the 2 files that are needed also. When trying to connect to Vivado I can seem to figure out how to get to the console for which I can do MTDS Firmware code so I can do a custom UI. Documentation does not help much with connecting this PMOD. Please advise if you're familiar thanks.
  7. Hello guys, I am using Zybo Z7-10 and want to use a timer which polls e.g. every 100ms by starting a task in freertos. What is the best way to implement such timer? Do I need to use XScu_Timer or Global Timer or Watchdog Timer Thanks, Mirco