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Explorer
Explorer
7,041 Views
Registered: ‎06-28-2008

SDK is too slow and sometimes fails when programming FPGA

SDK 2014.4,

ZC706 board,

usb jtag cable with ZC706,

 

After the board was powered up, I pushed the SW2  to deal with the jtag bug according to the Answer record.

Then I used SDK-----Xilinx Tools----Program FPGA

It would take me several minutes to download the bit file sucessfully.

Sometimes it even fails after several minutes of waiting.

However , when I used Impact of ISE 14.7 to download the same bit file,

it took only about 30 seconds  to download sucessfully.

It's really frustrating.

Why ??

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1 Reply
Xilinx Employee
Xilinx Employee
6,975 Views
Registered: ‎10-21-2010

Re: SDK is too slow and sometimes fails when programming FPGA

Hi,

Can you please program the FPGA from xsdb and see if you notice similar behavior. With platform cable, the download speed should be around 0.3Mbps. Could you also try with Digilent cable, if possible?

 

From xsdb, you can run "fpga <path/to/bitstream>" command to program the fpga. Our internal tests do not show such problem, so we need to understand what the problem is. Could you also uninstall and re-install the cable drivers

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