/* * Copyright (C) 2004-2010 NXP Software * Copyright (C) 2010 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ /*-------------------------------------------------------------------------*/ #include "BIQUAD.h" #include "BQ_1I_D16F16Css_TRC_WRA_01_Private.h" /*-------------------------------------------------------------------------*/ /* FUNCTION: */ /* BQ_1I_D16F16Css_TRC_WRA_01_Init */ /* */ /* DESCRIPTION: */ /* These functions initializes a BIQUAD filter defined as a cascade of */ /* biquadratic Filter Sections. */ /* */ /* PARAMETERS: */ /* pInstance - output, returns the pointer to the State Variable */ /* This state pointer must be passed to any subsequent */ /* call to "Biquad" functions. */ /* pTaps - input, pointer to the taps memory */ /* pCoef - input, pointer to the coefficient structure */ /* N - M coefficient factor of QM.N */ /* RETURNS: */ /* void return code */ /*-------------------------------------------------------------------------*/ void BQ_1I_D16F16Css_TRC_WRA_01_Init ( Biquad_Instance_t *pInstance, Biquad_1I_Order2_Taps_t *pTaps, BQ_C16_Coefs_t *pCoef) { LVM_INT16 temp; PFilter_State pBiquadState = (PFilter_State) pInstance; pBiquadState->pDelays =(LVM_INT32 *) pTaps ; temp=pCoef->A2; pBiquadState->coefs[0]=temp; temp=pCoef->A1; pBiquadState->coefs[1]=temp; temp=pCoef->A0; pBiquadState->coefs[2]=temp; temp=pCoef->B2; pBiquadState->coefs[3]=temp; temp=pCoef->B1; pBiquadState->coefs[4]=temp; } /*-------------------------------------------------------------------------*/ /* End Of File: BQ_1I_D16F16Css_TRC_WRA_01_Init.c */