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Using Xilinx Tools Forum Connecting to zedboard
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Related

Connecting to zedboard

Former Member
Former Member over 12 years ago

I've been following the hello_world tutorial and have everything going perfectly until it's time to run it on the board. I've tried 5 different times, making sure to follow the steps exactly and I still get error messages. I'm running into this one now, and I can't find any documentation on it.

"Unable to connect to ps7_cortexa9

Failed to connect to Xilinx hw_server. Check if the hw_server is running and correct TCP port is used."



There are micro USB cables connected to J14(UART) and J17(PROG), JP7-JP11 are grounded, and JP2, JP3, and JP6 are all shorted.

I'm running a Windows 7 64-bit OS.

It gives 3 troubleshooting hints: 1. Check whether board is connected to the system properly. [I'm pretty sure it is-when JP9 & JP10 are set to 3V3, I can access the Linux kernel on the SD card). 2. In case of zynq board, check whether Digilent/Xilinx cable switch settings are correct [I'm assuming that's referring to JP7-JP11... They're configured correctly I believe]. 3. If you are using Xilinx Platform cable USB, ensure that status LED is green [I don't think I'm using that].

Please help!

Thanks

Zack

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  • Former Member
    0 Former Member over 12 years ago

    In Xilinx SDK under the "Xilinx Tools" menu, select "Launch Hardware Server"

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  • Former Member
    0 Former Member over 12 years ago in reply to Former Member

    Wow. Thanks.

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  • Former Member
    0 Former Member over 12 years ago

    I have the same problem but openning the hardware server do not solve my problem. Do you have other suggestions??

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  • Former Member
    0 Former Member over 12 years ago

    I'll tell you how I got through a few roadblocks, maybe one of them is yours.

    1. Make sure your switch is on and you're connected to power :D And try power-cycling the board before you start the hardware server.

    2. Make sure your jumpers are configured correctly. The only thing you need to worry about is JP7 - JP11 if  you haven't adjusted anything else, but better make sure just in case. I'll just go through all of them:
    JP1 open
    JP2 shorted
    JP3 shorted
    JP6 shorted
    JP7 connected to GND
    JP8 connected to GND
    JP9 connected to GND
    JP10 connected to GND
    JP11 connected to GND
    JP12 (XADC) open
    JP13 open
    J21 (current sense) open
    VADJ shorted at 1V8

    3. Make sure you have the Cypress drivers installed and UART drivers installed.

    4. When you connect the 2 USBs to the ZedBoard, you should see an additional COM port open up. You should also see the "Cypress USB to UART Adapter" pop up in the device manager under "CypressUsbConsoleWindowsDriver" (I'm assuming you're running windows). If not, you need to install additional drivers.

    That's all I can think of off the top of my head. Let me know if any of that helps.

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  • Former Member
    0 Former Member over 12 years ago in reply to Former Member

    Thank you for comment.
    firstly my mini usb JTAG port do not work properly that when I connect the cable to computer, it could not communicate through this port. Therefore I started to use the other JTAG port with a Platform Cable USB. That's way I started to communicate with Zynq. :)

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  • Former Member
    0 Former Member over 12 years ago

    I have the same problem. And I don't even have the option "Launch Hardware Server" under the "Xilinx Tools" menu in SDK. Could anyone give me a hint?

    I am using ISE 14.4.

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  • Former Member
    0 Former Member over 12 years ago in reply to Former Member

    I switched to the 14.3 version for various reasons, and there's not a "Launch Hardware Server" option in the Xilinx Tools menu either. I don't remember exactly, but does that message still appear when you try "Program FPGA" in the Xilinx Tools menu? This will configure the hardware in the device, which needs to happen before you load a program onto it.

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  • Former Member
    0 Former Member over 12 years ago in reply to Former Member

    I am using 14.5 and working perfect. You just need to "Launch HW server" from "Xilinx Tools" tab in SDK.
    /Cheers

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  • Former Member
    0 Former Member over 8 years ago in reply to Former Member

    I believe you that the HW server was under Xilinx Tools back in 2013 - but does anyone know where it can be found these days?   - it doesn't appear that there is any hw_server on the linux that the Zynq board starts up in and I have not been able to find such a thing on the SDK tool set I loaded in the last few days.  

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  • jafoste4
    0 jafoste4 over 8 years ago in reply to Former Member

    Hello Erickrieg,

    From what you are asking, I think you may have a driver problem. The drivers for your zedboard get installed when you install your Xilinx Tools. If it is your first time plugging in your device, you must give your PC time to enumerate and recognize the device the first time you plug it in.

    I would like you to look at a few things for me.

    1. In your device manager when your Zedboard is set up in JTAG boot, do the folloing ports/USB controllers squared in red exist? Please refer to picture below. If they do not, which ones are you mssing?

    image

    2. If that is all setup properly, your Xilinx Tools when you first use them will pop up a bunch of secrity messages about the firewall. If you did not accept those, your tools and cables are not going to work. Please refer to this post to solve this potential issue - http://zedboard.org/zh-hant/node/9991

    3. If you would like information in regards to HW_SERVER, please refer to the document below, specifcally page 22.

    https://www.xilinx.com/support/documentation/sw_manuals/xilinx2016_2/ug908-vivado-programming-debugging.pdf

    --Josh

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