David B

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  1. Hi, I have created an hls ip for sobel on nexys video. It takes the video in via hdmi in port , push it via my ip and then send it out via hdmi out port. Now, i want to able to control if it display the sobel or display the original image by using a switch. I added a new parameter to top function and an if condition, but i get "ERROR: [XFORM 203-733] An internal stream 'img_6.data_stream[2].V10' (SobelVideoWorking/a.cpp:17) with default size is used in a non-dataflow region, which may result in deadlock. Please consider to resize the stream using the directive 'set_directi
  2. Whenever is possible, I can't find very useful informations.
  3. Hi, I have a Digilent Zybo z7-20 board and I took the Linux base vivado project and compiled the petalinux from Digilent's GitHub . The os is working fine. I observed a dvi2rgb block which terminates in video memory access and also, in petalinux repo, it's specified that there is a hdmi in via uio. My question is: how can I get a picture from hdmi via user space io. Thank you!Merry Christmas!