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Found 9 results

  1. Howdy. I have what I think is a fairly basic question: Which (non-FPGA) processor boards support Pmod modules? Is there any chance to see a table that shows each of the current ARM and PIC32 processor boards down a left-hand column and then the quantity of each of the Pmod ports (of each different configuration) on the middle of the chart? Thanks
  2. Hello, losing my mind trying to install adept 2 arm.deb for the raspberry pi. I used the dpkg --install command to unpack the .deb file. I wasn't successful in finding any install.sh executable. Please help , thank you. ,Chad
  3. Hi people, What I mean is that, can I write a program such that it can program the FPGA while executing? Thanks!
  4. Hi, Actually i want to generate the device tree for the Zedboard.So on the way of doing this i found one prebuilt device tree for the Zedboard which is having following line :- chosen { bootargs = "console=ttyPS0,115200 root=/dev/mmcblk0p2 rw earlyprintk rootfstype=ext2 rootwait devtmpfs.mount=0 consoleblank=0"; linux,stdout-path = "/amba@0/serial@e0001000"; } ; After following some tutorials i got some idead about .dts file contents but still i did not get the meaaning of each word in above lines. Also in some other .dts files from other sources folowing line is there:- chosen { bootargs = "console=ttyPS0,115200 root=/dev/ram rw earlyprintk"; linux,stdout-path = "/amba@0/serial@e0001000"; } ; So i got confused which one is correct and how to use this or modify this. Can you please reply me. Regards Aditya
  5. Hi, Following is the snippet from the device tree for the MicroZed Board. ps7-scugic@f8f01000 { #address-cells = <0x2>; #interrupt-cells = <0x3>; #size-cells = <0x1>; compatible = "arm,cortex-a9-gic", "arm,gic"; interrupt-controller; num_cpus = <0x2>; num_interrupts = <0x60>; reg = <0xf8f01000 0x1000 0xf8f00100 0x100>; xlnx,irq-f2p-mode = "REVERSE"; linux,phandle = <0x3>; phandle = <0x3>; }; Mine particular interest is the line that is bold in above snippet.Actually i am working on the Zedboard and when i generated the device tree for mine Zedboard then following is the Snippet:- ps7_scugic_0: ps7-scugic@f8f00100 { #address-cells = <2>; #interrupt-cells = <3>; #size-cells = <1>; compatible = "arm,cortex-a9-gic", "arm,gic"; interrupt-controller ; num_cpus = <2>; num_interrupts = <96>; reg = <0xF8F00100 256 0xF8F00100 0x100>; xlnx,irq-f2p-mode = "DIRECT"; } ; So it has become "DIRECT". So what is difference between "DIRECT" and "REVERSE",why for Microzed it is "REVERSE" and why for Zedboard it is "DIRECT". Please reply me. Regards Aditya
  6. Hello, I'm developing a bare metal application in Zybo for a subject this semester and I want to run two tasks in parallel taking advantage of the dual processor in the Zynq. I want to know how can I use the dual core capabilities of the Cortex A9 processor in the Zybo in a bare metal application, configuring it from Vivado. I found this tutorial in Xilinx documentation but it uses the EDK instead of Vivado. If you can lead me to more resources where I can learn how to do this I'll be really thankful. Thank you very much.
  7. Hi! I am currently working on a project which uses a particular version of an ARM Cortex M0. Therefore I can not use Xilinx' tools to debug the ARM core directely. Using a Nexys 3 with a Spartan 6 I am looking for other ways to debug it: In the ARM forum a user pointed out that ARM has a debugger platform called CMSIS-DAP. Does Digilent support this platform? I currently use a JTAG USB debugger from Digilent, does it support CMSIS-DAP?If not, do you know of any other possibility on how I could debug the ARM core directly and without using Xilinx tools?Any help is much appreciated!
  8. Hi, I am currently using Zybo board. I have followed the " Embedded Linux® Hands-on Tutorial for the ZYBO™ " tutorial. My question is how does the Zynq system works? Is it similar to Microblaze soft processor or is it just FPGA? I have done the same work in the tutorial using Microblaze processor and XIlinx ISE. I find in the specs that Zynq hosts 2 ARM cortex processors, I want to know when we run above the above tutorial are we using any soft processor or if we are using the ARM Cortex processor? My point is if any soft processor is involved we can eliminate it and use the ARM processors so that we can achieve more speed. Thank you in advance.
  9. Hello guys, I'm working with Zybo SoC right now and I have a few questions which I couldn't find the answer anywhere. I am using petalinux in the card with the .bsp from digilent website (Petalinux 2014.2 Board Support Package). The thing is, I want to change/reprogram the PL many times but I want to do it from the Linux, e.g. using C program and configuration port /dev/xdevcfg. Is it possible to do it?When I use a command shell "cat <file-name>.bit > /dev/xdevcfg", I could reprogram the FPGA and I can see the result but I lost the control of the Linux. I couldn't access to the ARM via hyperterminal. Do you have any idea what cause this problem? Is that means when I reprogram the PL, I lose the PS part of the FPGA? Thank you very much for your response