BQ_2I_D16F32Css_TRC_WRA_01_init.c revision 2c8e5cab3faa6d360e222b7a6c40a80083d021ac 
1/*
2 * Copyright (C) 2004-2010 NXP Software
3 * Copyright (C) 2010 The Android Open Source Project
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 *      http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18/************************************************************************/
19/*     $Author: beq07716 $*/
20/*     $Revision: 1000 $*/
21/*     $Date: 2010-06-28 13:08:20 +0200 (Mon, 28 Jun 2010) $*/
22/*                                                                      */
23/************************************************************************/
24#include "BIQUAD.h"
25#include "BQ_2I_D16F32Css_TRC_WRA_01_Private.h"
26
27
28/*-------------------------------------------------------------------------*/
29/* FUNCTION:                                                               */
30/*   BQ_2I_D16F32Css_TRC_WRA_01_Init                                       */
31/*                                                                         */
32/* DESCRIPTION:                                                            */
33/*   These functions initializes a BIQUAD filter defined as a cascade of   */
34/*   biquadratic Filter Sections.                                          */
35/*                                                                         */
36/* PARAMETERS:                                                             */
37/*   pInstance    - output, returns the pointer to the State Variable      */
38/*                   This state pointer must be passed to any subsequent   */
39/*                   call to "Biquad" functions.                           */
40/*   pTaps         - input, pointer to the taps memory                     */
41/*   pCoef         - input, pointer to the coefficient structure           */
42/*   N             - M coefficient factor of QM.N                          */
43/* RETURNS:                                                                */
44/*   void return code                                                      */
45/*-------------------------------------------------------------------------*/
46void BQ_2I_D16F32Css_TRC_WRA_01_Init (   Biquad_Instance_t         *pInstance,
47                                         Biquad_2I_Order2_Taps_t   *pTaps,
48                                         BQ_C16_Coefs_t            *pCoef)
49{
50  LVM_INT16 temp;
51  PFilter_State pBiquadState = (PFilter_State) pInstance;
52  pBiquadState->pDelays      =(LVM_INT32 *) pTaps            ;
53
54  temp=pCoef->A2;
55  pBiquadState->coefs[0]=temp;
56  temp=pCoef->A1;
57  pBiquadState->coefs[1]=temp;
58  temp=pCoef->A0;
59  pBiquadState->coefs[2]=temp;
60  temp=pCoef->B2;
61  pBiquadState->coefs[3]=temp;
62  temp=pCoef->B1;
63  pBiquadState->coefs[4]=temp;
64}
65/*-------------------------------------------------------------------------*/
66/* End Of File: BQ_2I_D16F32Css_TRC_WRA_01_Init                              */
67
68