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Found 7 results

  1. Hello, I've been to set up a new Zybo board but I'm stuck with a serial port issue. I built my design with the provided board files in Vivado 2017.4. I tried a simple "hello world" in SDK but only got a bunch of unprintable characters. I have Tera Term set up for 115200, 8-bit, 1 stop, no parity. I tried Putty as well and had the same results. I verified the Vivado project is using UART1 MIO48..49. I intermittently can get the correct initialization message from the preloaded QSPI image, but most times it's unprintable characters. I also tried the pre-built Linux from the 2017.4 Zybo Petalinux BSP with the same result. It's definitely booting, but the terminal output is unprintable characters. Other things to note: * I'm running off USB power. I'm plugged directly into my laptop * Sometimes pressing the Reset button makes the PGOOD LED flicker until power cycled Thank you Richard
  2. Hi, I've started using the platform for SDSoC on Zybo-Z7 from https://github.com/Digilent/SDSoC-Zybo-Z7-20/releases. I tried creating a linux based "Hello World" application and was able to successfully run it on the board. I would like to start using GPIO and other peripherals for simple image processing application. When I add #include "xgpio.h" in my main.c file and build (found an online YouTube video demonstration), SDSoC is not able to locate the xgpio.h file. Is there a solution to this? I don't get any error when I choose freeRTOS instead of linux. Thank you!
  3. I've read the Reference Manual for ZyboZ7,it shows the Memory Part of ZyboZ7 is "MT41K256M16HA-125 DDR3L",but when I create a "helloworld" project in Vivado 2018.2,I did not see it at the list. So should I do something to add the suitable memory part in Vivado,or select someone to replace it? I've tried some memory parts,but they all failed,there was nothing displayed in the terminal.
  4. Hi I am trying to run the fsbl and hello world on Zybo-z7-10, but seems like it does not work. When I tried to run the fsbl, it shows the message like this. I build this project step by step learning from a video on youtube, the hardware and software part. I post this link at the bottom. The output in terminal is supposed like this, tell me Boot mode is JTAG, but now it is not. Does anyone know why this happen? If FSBL does not run successfully, the other parts in my project won't work as well since the the clock and interrupts from PS side are not activated. For example, in EnableSampleGenerator, I assign 32 and 1 to GPIO, but when I read from it, they are still 0. Also after I start first DMA transmission, when it finishes, there should be an interrupt, and in the interrupt I start another DMA transmission. Now seems like the interrupt never happens, so I seriously doubt the FSBL does not run properly. Thanks a lot in int main()
  5. hello, can I change the reference clock for Dynamic Clock Generator IP core? Which frequency do I have to provide for REF_CLK_I?
  6. Hi all, I have a Zybo and have been using it successfully for a variety of HDMI / VGA video projects. I'd like to have a go at interfacing a Raspberry Pi V2 camera. I understand that I need to implement a MIPI CSI-2 receiver in VHDL and I have a reasonable idea of how to proceed. This may take a bit of effort, but that's part of the fun! However, what I'm not sure about is whether I can specify the appropriate 1.2v IO Standard that's required on the Zybo board via the high speed PMOD ports? Or, will I need to buy one of the newer Zybo-Z7 boards? I realise that the newer Zybo-Z7 boards have a 2 lane MIPI connector (which is very convenient), so I'm assuming that the connected Zynq pins can run in the appropriate 1.2v differential IO Standard. But for this to work does the newer Zybo-Z7 have a specific 1.2v VCC supply to facilitate this? (that perhaps the Zybo doesn't have) I will probably upgrade to the newer board anyway, but would like to understand if this is possible on the older Zybo. Many thanks!
  7. Hi, today I received a ZYBO Z7-20, including a voucher for SDSoC. In SDSoc there is only a hardware platform for ZYBO available, and I couldn't find one on Xilinx' or digilent's websites. In a parallel thread here i found a reference to UG1146, which I am reading now. As I am quite new to SDSoC development, this will be a good experience. Nevertheless I want to ask, is there a hardware platform for ZYBO Z7-20 available anywhere? Or will there be? Regards, Dieter