module: tx_eq 

description: FIR filter - filters incomming transmitter data and drives 
the pre-emphasized signal on the channel 

parameters: 
inputs:  double_interp data_in double_interp clk_in Vector eq_settings_vec
outputs: double_interp tx_eq_out 
classes: Filter filt_eq("1","1") EdgeDetect neg_edge() List eq_tap_list()
static_variables:

init: 
%%% convert input equalizer settings vector to equalizer tap list
eq_tap_list.load("eq_taps.dat");
eq_tap_list.print("eq_taps_set");   
filt_eq.set(eq_tap_list,"1");
filt_eq.reset(0.0);

code: 

% eq_tap_list.copy(eq_settings_vec);   
% filt_eq.set(eq_tap_list,"1");

// create a multi-rate (symbol-spaced linear filter)
if (neg_edge.inp(clk_in))
    filt_eq.inp(data_in);
tx_eq_out=filt_eq.out;
