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#include "BIQUAD.h" 19#include "FO_1I_D32F32Cll_TRC_WRA_01_Private.h" 20 21 22/*-------------------------------------------------------------------------*/ 23/* FUNCTION: */ 24/* FO_1I_D32F32Cll_TRC_WRA_01_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/*-------------------------------------------------------------------------*/ 40#ifdef BUILD_FLOAT 41void FO_1I_D32F32Cll_TRC_WRA_01_Init( Biquad_FLOAT_Instance_t *pInstance, 42 Biquad_1I_Order1_FLOAT_Taps_t *pTaps, 43 FO_FLOAT_Coefs_t *pCoef) 44{ 45 LVM_FLOAT temp; 46 PFilter_State_FLOAT pBiquadState = (PFilter_State_FLOAT) pInstance; 47 pBiquadState->pDelays = (LVM_FLOAT *) pTaps; 48 49 temp = pCoef->A1; 50 pBiquadState->coefs[0] = temp; 51 temp = pCoef->A0; 52 pBiquadState->coefs[1] = temp; 53 temp = pCoef->B1; 54 pBiquadState->coefs[2] = temp; 55} 56#else 57void FO_1I_D32F32Cll_TRC_WRA_01_Init( Biquad_Instance_t *pInstance, 58 Biquad_1I_Order1_Taps_t *pTaps, 59 FO_C32_Coefs_t *pCoef) 60{ 61 LVM_INT32 temp; 62 PFilter_State pBiquadState = (PFilter_State) pInstance; 63 pBiquadState->pDelays = (LVM_INT32 *) pTaps; 64 65 temp=pCoef->A1; 66 pBiquadState->coefs[0]=temp; 67 temp=pCoef->A0; 68 pBiquadState->coefs[1]=temp; 69 temp=pCoef->B1; 70 pBiquadState->coefs[2]=temp; 71} 72#endif 73/*------------------------------------------------*/ 74/* End Of File: FO_1I_D32F32Cll_TRC_WRA_01_Init.c */ 75 76