fixpoint_aec_init.c

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// 
//  Project: Experiment 10.7.3 AEC using C55x Intrinsics - Chapter 10
//  File name: fixPoint_aec_init.c   
//
//  Description: AEC uses the fixed-point leaky LMS algorithm
//
//  For the book "Real Time Digital Signal Processing: 
//                Implementation and Application, 2nd Ed"
//                By Sen M. Kuo, Bob H. Lee, and Wenshun Tian
//                Publisher: John Wiley and Sons, Ltd
//  Tools used:   CCS v.2.12.07
//                TMS320VC5510 DSK Rev-C
//

#include <stdio.h>
#include <stdlib.h>
#include "fixPoint_leaky_lms.h"

void aec_init(LMS *lms,DTALK *dt)
{
  lms->order = L;
  lms->mu = MU;
  lms->leaky = LEAKY;
  dt->nearHangCount = HANGOVER_TIME;
  dt->farHangCount  = HANGOVER_TIME;
  dt->farInPowS = 1;
  dt->farInPowM = 1;
  dt->micInPowS = 1;       
  dt->errorAECpowS = 1;    
  dt->trainTime = 4000;
  dt->nfNear = 6000;
  dt->nfFar = 6000;
}