www.gusucode.com > dsp 案例源码程序 matlab代码 > dsp/HDLIFFT128.m

    function [yOut,validOut] = HDLIFFT128(yIn,validIn)
%HDLIFFT128 
% Processes one sample of data using the dsp.HDLIFFT System object(TM)
% yIn is a fixed-point scalar or column vector. 
% validIn is a logical scalar.
% You can generate HDL code from this function.

  persistent ifft128;
  if isempty(ifft128)
    ifft128 = dsp.HDLIFFT('FFTLength',128)
  end    
  [yOut,validOut] = step(ifft128,yIn,validIn);
end