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  1. How to download Digilent FPGA family development kits such as Nexys, Basys, Atlys, Genesys, etc.
  2. How can I access Ethernet port of any FPGA to transfer data from PC to FPGA and vice versa.
  3. I’m trying to debug a program Factorial.c on the Nexys A7 50T FPGA board using PlatformIO. I have procured its bitstream file from the GitHub repository. Shown below is the platformio.ini code: [env:swervolf_nexys] platform = chipsalliance board = swervolf_nexys framework = wd-riscv-sdk monitor_speed = 115200 board_build.bitstream_file = D:\STUDIES\NexysFiles\Nexys-A7-50T-OOB-2018.2-1\vivado_proj\Nexys-A7-50T-OOB.runs\impl_1\nexys50t.bit Shown below is the program code: #if defined(D_NEXYS_A7) #include <bsp_printf.h>
  4. Hello Recently I have purchased Digilent PMOD AD2. I want to interface PMOD AD2 with my Xilinx Spartan-6 LX45 FPGA board. For conversion of analog signal into digital format. Could you please help me to do this. should I have to write HDL code of I2C? what is maximum speed of operation of PMOD AD2? -- Thank you Gopal Krishna
  5. Hello, I'm using a Zybo Z7-20 board together with the Pcam 5C camera module and I have a question regarding the MIPI D-PHY settings in the Zybo-Z7-20-pcam-5c project. I want to replace the Digilent MIPI_D_PHY_RX with the Xilinx MIPI D-DPHY. My issue is, that the Xilinx MIPI D-PHY does not output any AXI-Stream signals and that I see permanent 'Start-of-Transmission (SoT) Error' (errsoths = '1') reported on the output port of the Xilinx MIPI D-PHY. This error occurs, according to the Xilinx MIPI D-PHY datasheet, when the HS_SETTLE parameter is not matching. The standard HS_SETTLE pa
  6. Hello, I'm building this filter, generating a .COE file in Matlab, which I use in the FIR compiler IP. Here are two screenshots of the settings. Do you know if the difference between the two pictures, in terms of magnitude, are just a displaying fact or if there is a real amlpification involved by the FIR compiler ? If it's the case, do you know how to fix it to generate the same filter as I designed in Matlab, so without gain ? Kind regards, Yannick
  7. Hi guys, I bought my genesys 2 last october, and now when I turn it on, the out of box demo would only succeeds a fraction of the time. More over, previously verified bitstream would only work once after programming with jtag several times. I suspect the fpga chip is a defect. How do I use my warranty? Thanks
  8. I am new to this so I am just guessing how to out stuff together. I want to use the PmodI2S2 for Stereo Audio Input and Output. I am using a Cora z7 with a ZYNQ. I want to try and make two things: A. Connect the PmodI2S2 via Axi and then write a software application in Vitis to send and receive audio data. B. Connect the Pmod12S2 to logic and modify audio data. Possibly make an oscillator. The "Pmod I2S2 FPGA Volume Control Demo" in the resources centre says it uses an AXI streaming interface. So for part A. I made a new IP with an AXI streaming interface (ju
  9. Hi, I am using Zybo Z720 and Pmod ESP32 to explore on IoT control. I used several AT commands like "AT+CWMODE", "AT+CWJAP", "AT+CIPSTART", "AT+CIPSEND" and "GET <links>" to receive the last entry data from the Thingspeak. Here is the response I received from the Vitis Serial Terminal: Now, I want to make use of this data from +IPD response and control the GPIO and relay (relay connected to the GPIO pin). I know Arduino has sth like Serial.find() function and help me with extracting serial terminal's IPD response. I just wonder Xilinx Vitis has the same thing a
  10. Previously I have asked this question in the forum, however, my explanation was not so clear and may result in confusion. Hence, I decided to rephrase my question in this new post. Currently, I have been researching on how to allow my Zybo z720 board to receive data from Thingspeak channel through using Pmod ESP32 and control the status of the LED according to the data of Thingspeak. I have already known how to send the data (collected from ALS, AQS and HYGRO) from the zybo board to Thingspeak by using the AT command. I will show the code below. void receiveData(XTime time){ X
  11. Hi, I am using Pmod ESP32 and figure out the possibilities to receive data from Thingspeak. Based on my research, I found this link may help me to get Thingspeak data via using AT command. The link is here: https://allaboutfpga.com/remote-monitoring-and-control-of-home-appliances-from-cloud-using-edge-artix-7-fpga-board/ Remote Monitoring and control of Home appliances from cloud using EDGE Artix 7 FPGA board (allaboutfpga.com). This picture (picture is from the link above) tells me what AT command I should use for receiving data from Thingspeak Cloud.
  12. Hi, I have been trying to use the zybo board timer interrupt functions to control my water pump while running other program, kind of like multitasking. The program goes like this, when the my other programs are running in the while(true) loop (running forever), the water pump will turn on for 12 hours and turn off for 12 hours. Before jumping into actual program, I made some simple testing. While the Pmod HYGRO is getting value, the led 4bits will have a loop of turning on for 100s and turning off 100s (like led toggling) Here is what I have tried with built-in led:
  13. Hi, everyone here. Now, I have tried with my Pmod AD1. I used the demo code provided by the Digilent, but the value shown in the Vitis Serial Terminal is different from the value I have seen in the multimeter. For example, when I insert my sensor A into the channel A0, the value shown in 2.56. The value shown in the multimeter is 2.9V. When I insert my sensor B into the channel A1, the value shown in the Vitis Serial Terminal is 1.08. The value shown in the multimeter is about 2.1V. When the sensor induced voltage exceeds 1.8V, the AD1 value returns back to 0. I thi
  14. Hi to everyone. I have successfully tried to use Pmod ESP32 to upload the other Pmod sensors data into the Thingspeak and used GPIO inside the zybo board to control the LED when some Pmod sensor value is too high or too low. Now, my supervisor asked me and my team to do IoT control. For example, an user pressed the button in the webpage or mobile app, the LED which connected to zybo board can turn on or turn off. My teammate now can send the 1 or 0 data to Thingspeak. Now, I want to use my Zybo baord to receive the Thingspeak data that my teammate has made. I have been searching some tuto
  15. hi, I have been facing issue and I want to figure out what type of reasons can cause it? Connection issue? Or sth else? For installing my program into the zybo board, it sometimes works while sometimes pop up this error message. Like intermittently working. Here are some error message: targets -set -filter {jtag_cable_name =~ "Digilent Zybo Z7 210351AD668FA" && level==0} -index 1 fpga -file C:/Users/lukel/workspace8/test_3/_ide/bitstream/design_7_wrapper.bit targets -set -nocase -filter {name =~"APU*"} loadhw -hw C:/Users/lukel/workspace8/design_7_wrapper/export/
  16. Greetings, It is my first time here so I apologise for my mistakes, I started a new project where I am using Nexys 3 board with a Pmod GPS module. I found a UART receiver/transmitter on the internet I wanted to test it out. So I connected the receiver to the USB UART Rx pin, in order to send from Serial COM data and then transmit back to the Serial COM the data I have sent. When I am sending a character from the serial, I receive the same character from the UART transmitter so I think that both of the components work fine. When I am sending the character A, I receive back the character A
  17. I'm trying to get the Pmod Color module for the Zynq z7-10 to work but it doesn't appear to be on. I was following along the instructions from these sites: https://reference.digilentinc.com/learn/programmable-logic/tutorials/pmod-ips/start https://projects.digilentinc.com/arthur-brown/displaying-color-readings-with-the-pmod-color-and-python-ebd794 and I have it connect to the device as such on the board's JA port: Following along with the first link, I skipped the steps where a clock and interrupt were added as the data sheet shows that the Pmod Color IP does not requi
  18. Hello all, I am using ZC-706 zynq board as slave and atmega128 microcontroller as master. I want to do spi communication between them. For testing i am just transmitting 1 byte of data which is transmitting successfully from the master side. For FPGA slave i am using AXI quad spi IP core which is configured in slave mode. Please find the below block diagram design for same. From the PS side i am using the below SPI driver example which is mentioned below. /***************************** Include Files *********************************/ #include "xparamete
  19. For my project, I was asked to use the xadc portion of the zybo board to read the data from the DFRobot Gravity Analog Electrical Conductivity (EC) Sensor. The link of the sensor is here: https://www.dfrobot.com/product-1123.html Just to give a summary on this product, it has the supply voltage of 3V to 5V and output voltage of 0V to 3.4V. I have asked this question before, maybe due to the unclarity of the question, nobody has answered me. The link is here: I have been trying to learn the basics of xadc
  20. I am currently doing the vertical farming project. And I want to put my Pmod HYGRO and Pmod AQS sensor into the same port JC. I have tried to put my Pmod HYGRO and Pmod AQS into different Pmod ports successfully. Now, I just want to combine these two sensors into one port. For example, for port JC. I want the top layer of the port connect to Pmod AQS and the bottom layer of the port to the Pmod HYGRO. So what is my first step to do when comes to vivado block design and how am I going to write my Cpp code into Vitis IDE? I did some primary research on this topic before. I may n
  21. Dear all Please help in accessing ethernet port of Atlys FPGA board. Is it possible to access ethernet port using available IP in ISE or I have to write protocol for it. please reply if anybody has done that. -- Gopal krishna
  22. Hello sir We purchased "Arty-Z7-20" a few weeks ago. We are trying to boot a project using the petalinux. We have followed the manual given in the below links. https://www.xilinx.com/support/documentation/sw_manuals/xilinx2020_1/ug1144-petalinux-tools-reference-guide.pdf https://www.xilinx.com/support/documentation/sw_manuals/xilinx2019_1/ug1157-petalinux-tools-command-line-guide.pdf But the Arty-Z7-20 board didn't get booted via jtag or SD card. We have also followed steps provided on belowed github, but it won't work.. https://git
  23. Hi! I've been playing with the low cost ESP8266 modules, that present a IP-over-WiFi as a serial device, and you use modem-like AT commands to control it. I've just put up a project that allows the FPGA to connect to my Wifi network, then send status message to a service that is listening on my Linux VM. It is all done using VHDL state machines (no software CPU), and could most probably be made a little more compact. Because the serial port is running at 9600 and the AT command based protocol overhead it is a pretty low bandwidth solution, but enough if you wanted to add some
  24. Hi, i also Facing the same issue.. I'm setting up the Spartan 3E system using VM( VirtualBox -Win7 IE8) with installed with ISE 14.7 on my WIN 10 PC. the USB connection showed in Device Manager is Xilinx USE Cable, but when I run the IMPACT to program the FPGA it show the error below: Error: GUI --- Auto connect to cable... INFO:iMPACT - Digilent Plugin: Plugin Version: 2.5.2 INFO:iMPACT - Digilent Plugin: no JTAG device was found. AutoDetecting cable. Please wait. *** WARNING ***: When port is set to auto detect mode, cable speed is set to default 6 MHz re
  25. Hello all: we are using FT2232H on our boards to emulate the JTAG cable such it is recognized by Xilinx tools, ISE and Vivado. The most convenient solution is to use the Digilent driver which is already provided with Xilinx tools. I wonder what is the exact configuration of the FT2232H to enable using this driver? Could you please share the details? Thank you, Wojtek SkuTek Instrumentation