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Found 7 results

  1. Hello FPGA community, I am a beginner without prior knowledge of either FPGA or Python. I understand the advantage of PYNQ as an excellent way for rapid prototyping without requiring much knowledge about FPGA - Python API abstraction makes the process resemble microcontroller programming. However, I would like to learn FPGA in a traditional way with well-established toolchain and workflow used in industry (Verilog, Vivado, Xilinx’s WebPACK…etc). So leaning Python, Jupyter, notebook…etc is not a priority at the moment. Will a PYNQ board (e.g. Z1) be a good starting point? and if it is, are there any tutorials or material to get me started besides the official PYNQ toolchain and workflow? Your input will be much appreciated.
  2. this project to be specific. Are there any pitfalls I should avoid? https://reference.digilentinc.com/learn/programmable-logic/tutorials/arty-z7-hdmi-demo/start
  3. tara901

    USB audio on PYNQ-Z1

    Hi there, I am pretty new to using the pynq-z1 board. I wish to do some audio recording via a usb microphone! I am struggling with doing this successfully, is anyone able to help me with this? I am getting "no soundcards found" when issuing alsa commands arecord -l and aplay -l. I understand pynq -z1 receives audio samples as PWM or PDM, but im not sure exactly what that means in terms of linux drivers available. any help would be appreciated! Thanks
  4. We are using the PYNQ-Z1 for the development of a new product and need the supporting hardware design files. I have not been able to find the BOM, or electronic version of the schematics or PWB, on the website. It appears the design was done in Altium, which is what we use. Is it possible to download these files or have them sent to us?
  5. Hello I'm using PYNQ-Z1 board. I am trying to receive CAN traffic with PmodCAN on the board. Here is my Block Design. Then, Generate Bitstream was successful. (But some warnings appeared and the messages are like Generate_Bitstream_messagex.png) I did Export Hardwear and Launch SDK. When I created the Hello world project in SDK and compiled it, there was no problem. However, as soon as I executed Program FPGA, the following error message appeared. How can I fix this error? ---------------------------------------------------------------------------------------------------------------------------- bitstream is not compatible with the target Program FPGA failed bitstream is not compatible with the target ---------------------------------------------------------------------------------------------------------------------------- By the way, the PmodCAN wiki page says that it is necessary to send SPI commands to set up PmodCAN. Do I have to do this setup when sending and receiving CAN messages on the PYNQ board? https://reference.digilentinc.com/reference/pmod/pmodcan/reference-manual
  6. I'm attempting to use all 6 single ended ADC channels of the PYNQ-Z1 board with DRP enabled and with continuous sequencing (see attached configuration). According to the 7-series XADC guide UG480 on page 72, "When XADC is being operated in a sequence mode, you can identify the channel being converted by monitoring the channel address (CHANNEL[4:0]) logic outputs. The multiplexer channel address of the channel being converted is updated on these logic outputs when BUSY transitions Low at the end of the conversion phase." But the output of the channel (channel_out) is always zero, which I've worked around by outputting the previously selected channel with the data on the EOS signal. The issue is that it seems some of my samples are being labeled incorrectly, for example with a 500Hz signal on A4 and a constant 0.23V on A2 this is what I get: As you can see, it looks like some of the sinusoidal signal is being labeled as A2 and some of the DC is being labeled as A4. It would be much easier to debug what was going on if I could just read the channel_out signal with the conversion on EOS, but for whatever reason it always reads zero when I connect a wire to channel_out. Is there anything else I have to configure to get this to work correctly? Thanks, Chris xadc_wiz_0.v
  7. Hi guys, I've just bought a Pynq board. Could anyone help and give the main steps to follow to add a new PMOD device to the default overlay? I'd like to add the DA3 PMOD DAC that is currently missing. Many thanks!