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Found 7 results

  1. Hello everyone! I'm Harri, an EE Master's student. Me and my team are currently working on assignments for three different courses around the topics of FreeRTOS, digital filtering and hardware-in-the-loop with MATLAB and Simulink. We are using the Zybo Z7-10 board and Vivado/SDK v.2018.2. In the first project, we are trying to use the Xilinx port of FreeRTOS to run a control engineering state-space-model on the ARM side. The vision is to have the model, which is a DC-converter, run at 10 kHz and the output of the model is shown as PWM to the onboard RGB LED. The project should
  2. Hi all, I have been working with the CMOD A7 board using vivado 2018 and sdk. I have been trying to get the microblaze soft core to respond to the interrupts generated by the peripherals. I started with the timer but have since moved simpler to the uart. I have connected my hardware as shown here. And the code that I am testing is an imported example from drivers board support package. Specifically, it is the one from the uartlite and it is the interrupt exapmle. /****************************************************************************** * * Copyright (C) 2002 - 20
  3. Hello, I am using Arty board to collect GPS data every second and prints it out to terminal. To do this, I modified PmodGPS example code on github which is attached (I wrote my code in C++, rather than the original code which was in C). I wanted to completely disable interrupts and poll data every second by myself, so I removed the interrupt part of the code, but apparently PmodGPS is not working without interrupts. Even though the GPS is getting a lock, I do not see any information printed out in terminal which means GPS.ping never goes to 1. Am I doing something wrong or the GPS is not
  4. Hello, i have an issue with the uio Interrupt handling. An AXI-GPIO ip core with enabled interrupt is connected with the interrupt system of the Zynq on an Arty-Z7-20 board. With petalinux i created an minimalistic Linux image which is running on that design and gives the GPIO-HW an uio device. I can read and write data throu that GPIO-HW via the Linux uio device. Now i wish to use the Interrupt ability. I know that i must make a blocking read Operation on the uio device to wait for an incomming Interrupt. If i push the "make Interrupt"-Button, then i do not receive an Inte
  5. Dear Experts I need help regarding interrupt handling using UIO. I am using Vivado 2015.4 and Petalinux 2015.4. The board used is Zedboard. I made the following vivado project attached as image. The interrupts from AXI and Fabric (PL-PS) are enabled. Afterwards i was able to export it as UIO and it shows in /dev as uio0. Now I implemented the following code by following this link: My code is as follows: /* * File: main.c * Author: fss * * Created on August 23, 2017, 12:35 PM */ #include <sys/mman.h> #include <stdio.h&g
  6. Hello All, Have been attempting to enable interrupts on a project using the Arty and was running into issues with the intc_SelfTest failing. I loaded the Arty BSD from github thinking I had some issue with the project itself but am getting the same exact result. Any suggestions as to what I may need to change? I changed nothing in the BSD so I'm assuming it should be correct. Also followed multiple online tutorials and have been unable to solve the issue. All suggestions are greatly appreciated. Thx!
  7. Confession: Part of original post was: "Using Uno board with an Analog Shield. What fixed resources does the Analog Shield library use? I have code that stopped interrupts from occuring by doing only #include <analogShield.h> , but the interrupts resumed after commenting out the include. This code was to establish a timed interrupt for accessing the Analog Shield, and I did not get to integrating in my analog access stuff." Well, my problem was really stupid. I had a call to the lcd inside an ISR. Duh.