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_D32F32Cll_TRC_WRA_02_Private.h"
21
22 /*-------------------------------------------------------------------------*/
23 /* FUNCTION: */
24 /* BP_1I_D32F32Cll_TRC_WRA_02_Init */
25 /* */
26 /* DESCRIPTION: */
27 /* These functions initializes a BIQUAD filter defined as a cascade of */
28 /* biquadratic Filter Sections. */
29 /* */
30 /* PARAMETERS: */
31 /* pInstance - output, returns the pointer to the State Variable */
32 /* This state pointer must be passed to any subsequent */
33 /* call to "Biquad" functions. */
34 /* pTaps - input, pointer to the taps memory */
35 /* pCoef - input, pointer to the coefficient structure */
36 /* N - M coefficient factor of QM.N */
37 /* RETURNS: */
38 /* void return code */
39 /*-------------------------------------------------------------------------*/
BP_1I_D32F32Cll_TRC_WRA_02_Init(Biquad_Instance_t * pInstance,Biquad_1I_Order2_Taps_t * pTaps,BP_C32_Coefs_t * pCoef)40 void BP_1I_D32F32Cll_TRC_WRA_02_Init ( Biquad_Instance_t *pInstance,
41 Biquad_1I_Order2_Taps_t *pTaps,
42 BP_C32_Coefs_t *pCoef)
43 {
44 PFilter_State pBiquadState = (PFilter_State) pInstance;
45 pBiquadState->pDelays =(LVM_INT32 *) pTaps;
46
47 pBiquadState->coefs[0]=pCoef->A0;
48
49 pBiquadState->coefs[1]=pCoef->B2;
50
51 pBiquadState->coefs[2]=pCoef->B1;
52 }
53 /*-------------------------------------------------------------------------*/
54 /* End Of File: BP_1I_D32F32Cll_TRC_WRA_02_Init.c */
55
56