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Found 7 results

  1. We are suppose to add a library from here: https://github.com/Digilent/vivado-library/releases and add it to the projects IP repository list to be able to add the block in the IP Integrator. I have checked all the releases and i cant find the Pmod NIC100 anywhere, i think its called PmodNIC, but correct me if am wrong because i haven't seen it anywhere anyway. Until i find this IP, the Pmod is just another paperweight on my desk along with my stalled project, Please help. I am using the Arty A7: Artix-7 FPGA Development Board.
  2. Lakshmi Tejas M A

    Analog Discovery 2 interfacing CAN

    I am using analog discovery 2 to send/Receive signals with PCAN using python. Do i need to have a CAN transceiver IC to convert from CAN-H/L to CAN-Rx/Tx? Also wanted to know if i use Waveforms software, what is the hardware connection?
  3. Hi there, i a newbie. I hope i am asking the right questions. I have been trying to figure out what kind of hardware/software is needed for my project. The project is getting the images with a high speed image sensor with a frame rate of 500-1000fps at a lower resolutions such as 160x120 or 480x360 pixels. The frames will be read or saved with FPGA SoC board. I know that I have an option of given interfaces: Option 1: Board level image sensor with FFC Cable (LVDS or MIPI CSI-2 interface) Option 2: Boxed camera with USB3.0 Cable interface I would love to think about the option 2. The Basler acA640750um USB 3.0 camera with ON Semiconductor PYTHON 300 CMOS sensor. This camera has a frame rate of 751 fps at VGA resolution. So if I have a FPGA board with a USB3.0 this option would be okay for plug and go ? I hope someone will lead me and help me. Regards, Sirac
  4. Hello, I am attempting to communicate to a Pmod RF2: IEEE 802.15 RF Transceiver with a Basys3 board using the SPI protocol in VHDL. The microchip on the pmod is the MRF24J40. How do I identify the address of the MRF24J40? To my understanding, if I want to write/read a memory location on the MRF24J40, I need to send the address followed by the address of the specific memory location on the MRF24J40. Is it written on the microchip itself? The master and slave SPI modules that I am attempting to use are linked to this post. The documentation for the master and slave links are below. The specification sheets for the pmod and MRF24J40 are included as well. Master: https://eewiki.net/pages/viewpage.action?pageId=4096096#SerialPeripheralInterface(SPI)Master(VHDL)-Transactions Slave: https://eewiki.net/pages/viewpage.action?pageId=7569477 Pmod: https://www.digilentinc.com/Pmods/Digilent-Pmod_ Interface_Specification.pdf MRF24J40: http://ww1.microchip.com/downloads/en/DeviceDoc/39776C.pdf Thank you. spi_slave.vhd spi_master.vhd
  5. StudentAmsterdam

    Least PL logic intensive data gathering

    Dear all, I hated the fact the Zybo Zynq does not have a proper D/A converter on its own. So I programmed a VHDL 1-bit delta sigma modulator according to this Link. The delta sigma modulator is working as a charm, but I want to be able to set the frequency of the waveforms i am generating. I want to set the frequency of the waveform by using an 1-10V input signal. I am okay with C and VHDL but I have never used the block designs or Zynq IP & GPIO Blocks.. The PMOD connector connected to the fpga is already in use so I guess my options are. Use a external microcontroller with ADC and use SPI to the PS part of the zybo zynq. Use the XADC connect it to the PS and of course use a voltage divider or something Microcontroller and just bit bang the values directly to the PL side Are there any suggestions on the easiest way of doing this ? ps: Is it possible to do something similar to interrupts in VHDL
  6. nisarg_shah114

    artix nexys 4 and keyboard

    I want to interface keyboard with artix 7 nexys 4 fpga board....which keyboard can we interface that is usb or ps/2 keyboards ....if both please tell me how. also can we program fpga for ps/2 keybpard and interface with usb pin using ps2 to usb converter....???
  7. jcloiacon

    USB on Zybo

    Good afternoon! I am trying to get USB interfacing to work on the Zybo. Because I eventually want to build my own board, I am familiarizing myself with all parts of a functional toolchain. My toolchain looks like this: Generate hardware platform with Vivado 2016.2, using Digilent HW Platform Guide as a reference. Exporting hardware from Vivado. (Note: Hello World SDK project runs successfully from this HW design). Use Petalinux 2016.2 to create a project, load in files as necessary, and generate boot image, as described in UG1144. (Using hdf and bit generated with Vivado, FSBL and Device Tree unchanged from petalinux defaults) Copy BOOT.BIN and image.ub to SD card Linux boots properly, and I have shell access over UART. However, plugging and unplugging USB devices has no effect. By contrast, the prebuilt image provided in this Petalinux BSP repository based on the Digilent Linux BD can detect and identify USB peripherals. The default device tree and kernel configuration *look* complaint with the Zynq Linux USB Xilinx wiki page, with the exception that the device tree lines are divided between zynq-7000.dtsi and pcw.dtsi, and Generic ULPI Transceiver Driver is not an option when running petalinux-config -c kernel. Also, dmesg yields some information when run on the Zynq: root@julianzybo:~# dmesg | grep -i usb usbcore: registered new interface driver usbfs usbcore: registered new interface driver hub usbcore: registered new device driver usb ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver usbcore: registered new interface driver usb-storage usbcore: registered new interface driver usbhid usbhid: USB HID core driver but lsusb isn't even present: root@julianzybo:~# lsusb -sh: lsusb: not found Has anyone successfully built Linux from a custom hardware platform, and gotten USB to work? EDIT: I have not connected any reset to USB0, but I do see the line usb-reset = <&gpio0 46 0>; in the Petalinux-BSP repository device tree. Perhaps a USB reset is necessary?