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#include "BIQUAD.h"
20#include "BP_1I_D16F16Css_TRC_WRA_01_Private.h"
21
22
23/*-------------------------------------------------------------------------*/
24/* FUNCTION:                                                               */
25/*   BP_1I_D16F16Css_TRC_WRA_01_Init                                       */
26/*                                                                         */
27/* DESCRIPTION:                                                            */
28/*   These functions initializes a BIQUAD filter defined as a cascade of   */
29/*   biquadratic Filter Sections.                                          */
30/*                                                                         */
31/* PARAMETERS:                                                             */
32/*   pInstance    - output, returns the pointer to the State Variable      */
33/*                   This state pointer must be passed to any subsequent   */
34/*                   call to "Biquad" functions.                           */
35/*   pTaps         - input, pointer to the taps memory                     */
36/*   pCoef         - input, pointer to the coefficient structure           */
37/*   N             - M coefficient factor of QM.N                          */
38/* RETURNS:                                                                */
39/*   void return code                                                      */
40/*-------------------------------------------------------------------------*/
41#ifdef BUILD_FLOAT
42void BP_1I_D16F16Css_TRC_WRA_01_Init (   Biquad_FLOAT_Instance_t          *pInstance,
43                                         Biquad_1I_Order2_FLOAT_Taps_t    *pTaps,
44                                         BP_FLOAT_Coefs_t                  *pCoef)
45{
46    PFilter_State_FLOAT pBiquadState = (PFilter_State_FLOAT) pInstance;
47    pBiquadState->pDelays      = (LVM_FLOAT *) pTaps;
48
49    pBiquadState->coefs[0] = pCoef->A0;
50    pBiquadState->coefs[1] = pCoef->B2;
51    pBiquadState->coefs[2] = pCoef->B1;
52}
53#else
54void BP_1I_D16F16Css_TRC_WRA_01_Init (   Biquad_Instance_t         *pInstance,
55                                         Biquad_1I_Order2_Taps_t   *pTaps,
56                                         BP_C16_Coefs_t            *pCoef)
57{
58  PFilter_State pBiquadState = (PFilter_State) pInstance;
59  pBiquadState->pDelays      =(LVM_INT32 *) pTaps;
60
61  pBiquadState->coefs[0]=pCoef->A0;
62  pBiquadState->coefs[1]=pCoef->B2;
63  pBiquadState->coefs[2]=pCoef->B1;
64  }
65#endif
66/*-------------------------------------------------------------------------*/
67/* End Of File: BP_1I_D16F16Css_TRC_WRA_01_Init.c                              */
68
69