synth_filter.m

Lab 2 – Synthesizable MATLAB This lab exercise will explore the effects that different MATLAB codin

%       AccelDSP 8.1.1 build 690 Production, compiled Apr 26 2006 
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function FilterOut = synth_filter(FilterIn)
 
coeff = load('b.txt');

persistent tap_delay
if isempty(tap_delay)
  tap_delay = zeros(1,length(coeff));
end

% Perform sum of products
FilterOut = tap_delay * coeff(end:-1:1)';

% Shift tap delay line
tap_delay = [tap_delay(2:length(coeff)) FilterIn];