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Found 3 results

  1. Hello everyone! I am working on a project witch need a linux image to run for SDSoC. The base project that i am using is this, but I upgrade it to the 2016.2 version. I supposed that i need to upgrade the linux files too, to the 2016.2 version. In fact i did it, I use Petalinux to finally get the files in the irst image, but I don't know what is the next step, I don't know witch files have to be copied (and rename) to the boot directory in the main project. Regards, RaulRB
  2. Hi, I would like to add several custom measurements based on my Scope Channel 1 signal: 1. Current measurement through a 220 ohm resistor 2. Min and max Frequency measurement of the signal applied to the same 220 ohm resistor. For number 1 I clicked "Add Channel" -> Custom, and added C1/220 to the textarea. This resulted in a new channel in the scope.channel column. I then went to Measurements column and did "Add" -> Custom Channel -> Math 1. This added an M1 measurement to my measurements. I modified the default Javascript to the code below, which (if I understand correctly) should average current through the resistor: value = 0 Channel.data.forEach(function(sample){ value+=sample }) value /= (Channel.data.length) value *= 1000 Is there a cleaner, better way to do this? Regarding #2, I wasn't able to figure out how to to obtain time measurements, which I assume I would have to do. My guess is I would have to diff two sequential times, and get their inverse to calculate the frequency. If someone could provide an example I would greatly appreciate it. Thank you in advance, -Nathan
  3. Greetings everybody, I recently purchased a Zybo (Zynq 7000 series application board), currently I am experimenting around with it a bit. This is the first time I am working with FPGAs, up to now I have only been working with other microcontrollers and cortex processors. While looking for reading material, I stumbled across this example, which shows how to create and use custom IP cores using Vivado. Since it is an official example from digilent and other examples worked without problems I though this one would be easy to follow, too. Problem is, it doesn't work. I am following each and every step exactly as shown in the pictures and described in the text. After successfully generating the bitstream (no warnings/errors) and exporting it I run the SDK. The C code there compiles, too, I program the FPGA and launch the compiled ELF using GDB on the Zynq. Here I first have to turn off the "Run ps7_init" and "Run ps7_post_config" checkboxes in the run configuration, otherwise the elf won't run on the Zynq. Now the ELF runs on the Zynq (or at least I hope so...), but nothing happens. Nothing at all. The LEDs are supposed to start pulsing, but they don't. Does anybody have similar experience with the given example? Or can anyone tell me what's wrong or how to find out? I'm greatful for any help you might have to offer. I currently am using Vivado 2015.4 (64 bit). Best regards, Daniel