FO_1I_D16F16Css_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 "FO_1I_D16F16Css_TRC_WRA_01_Private.h" 26 27 28/*-------------------------------------------------------------------------*/ 29/* FUNCTION: */ 30/* FO_1I_D16F16Css_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 FO_1I_D16F16Css_TRC_WRA_01_Init( Biquad_Instance_t *pInstance, 47 Biquad_1I_Order1_Taps_t *pTaps, 48 FO_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->A1; 55 pBiquadState->coefs[0]=temp; 56 temp=pCoef->A0; 57 pBiquadState->coefs[1]=temp; 58 temp=pCoef->B1; 59 pBiquadState->coefs[2]=temp; 60} 61/*------------------------------------------------*/ 62/* End Of File: FO_1I_D16F16Css_TRC_WRA_01_Init.c */ 63 64