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Recent content by jjplaw

  1. J

    Xilinx ISE Tcl Script Error

    Probably i'm asking the wrong question..... I intend to run the xilinx tcl commands from project creation to bitstream creation automation. But the script is being invoked from an exe file. When the script gets invoked, it's evaluated in a Tcl regular shell causing all the xilinx tcl commands to...
  2. J

    Xilinx ISE Tcl Script Error

    I'm running a program that invokes a tcl file. I'm trying to execute the xilinx tcl commands from that tcl script. In the tcl script, i only have the following code. source $env(XILINX)/bin/xilinx-init.tcl But i received the following error when the script gets invoked: error reading package...
  3. J

    Keep getting warnings that I/O is never used

    Hi, I'm trying to synthesize my code which is a hardware wrapper between two other VHDL source codes but I keep getting the following warning: Input /Output<input/output_name> is never used. This port will be preserved and left unconnected if it belongs to a top-level block or it belongs to...
  4. J

    VHDL wrapper for FPGA motherboard

    vhdl wrapper Hi, I'm trying to write a vhdl wrapper to communicate with a Nallatech FPGA motherboard.The board has 2 FPGAs. One to control the PCI interface to the PC(PCI FPGA) and the other is solely for user applications(User FPGA). The VHDL wrapper i'm trying to implement resides in the...
  5. J

    VHDL guide for PC_input--FPGA_process--PC_output

    Hi, Thanks for your reply.. Could you explain more? My final goal is to implement a smith-waterman algorithm on the board. But currently, i'm having problems with the PCI communication with the host PC. I cant get support from Nallatech because the support period has expired. Have you...
  6. J

    VHDL guide for PC_input--FPGA_process--PC_output

    Hi, I'm trying to test an old FPGA board from Nallatech(BenNuey-PCI-4E) for communication. It's PCI connected and has no switches/buttons on board. I would like to try a simple program(maybe a simple comb. logic) where i'll key in input values and sends it to the FPGA to be processed and then...
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