ise synthesis error - use of null array on signal X is not supported

Discussion in 'VHDL' started by mlefter, Nov 10, 2009.

  1. mlefter

    mlefter

    Joined:
    Nov 4, 2009
    Messages:
    2
    Hello,

    Does anybody know how to deal with this error:

    Use of null array on signal <rout_cb.parameters> is not supported.
    INTERNAL_ERROR:Xst:cmain.c:3446:1.47

    ------------

    subtype param is std_logic_vector(31 downto 0);
    type param_array is array (0 to nrofsensors-1) of param;

    type cb_registers is record
    status_conf : std_logic_vector(31 downto 0);
    cwindow : std_logic_vector(31 downto 0);
    parameters : param_array;
    end record;

    signal rout_cb, ri_cb : cb_registers;

    ...

    pr0 : process(rst, ahbsi, rout_amba, rout_cb) -- here comes the error

    Thanks,
    Mihai
    mlefter, Nov 10, 2009
    #1
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