BQ_2I_D32F32Cll_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_D32F32Cll_TRC_WRA_01_Private.h" 26 27/*-------------------------------------------------------------------------*/ 28/* FUNCTION: */ 29/* BQ_2I_D32F32Cll_TRC_WRA_01_Init */ 30/* */ 31/* DESCRIPTION: */ 32/* These functions initializes a BIQUAD filter defined as a cascade of */ 33/* biquadratic Filter Sections. */ 34/* */ 35/* PARAMETERS: */ 36/* pInstance - output, returns the pointer to the State Variable */ 37/* This state pointer must be passed to any subsequent */ 38/* call to "Biquad" functions. */ 39/* pTaps - input, pointer to the taps memory */ 40/* pCoef - input, pointer to the coefficient structure */ 41/* N - M coefficient factor of QM.N */ 42/* RETURNS: */ 43/* void return code */ 44/*-------------------------------------------------------------------------*/ 45void BQ_2I_D32F32Cll_TRC_WRA_01_Init ( Biquad_Instance_t *pInstance, 46 Biquad_2I_Order2_Taps_t *pTaps, 47 BQ_C32_Coefs_t *pCoef) 48{ 49 LVM_INT32 temp; 50 PFilter_State pBiquadState = (PFilter_State) pInstance; 51 pBiquadState->pDelays =(LVM_INT32 *) pTaps ; 52 53 temp=pCoef->A2; 54 pBiquadState->coefs[0]=temp; 55 temp=pCoef->A1; 56 pBiquadState->coefs[1]=temp; 57 temp=pCoef->A0; 58 pBiquadState->coefs[2]=temp; 59 temp=pCoef->B2; 60 pBiquadState->coefs[3]=temp; 61 temp=pCoef->B1; 62 pBiquadState->coefs[4]=temp; 63} 64/*-------------------------------------------------------------------------*/ 65/* End Of File: BQ_2I_D32F32C32_TRC_WRA_01_Init.c */ 66 67