| /* |
| * 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. |
| */ |
| |
| /*-------------------------------------------------------------------------*/ |
| #ifndef BIQUAD_OPT |
| #include "BIQUAD.h" |
| #include "BP_1I_D16F16Css_TRC_WRA_01_Private.h" |
| |
| /*-------------------------------------------------------------------------*/ |
| /* FUNCTION: */ |
| /* BP_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 BP_1I_D16F16Css_TRC_WRA_01_Init(Biquad_FLOAT_Instance_t* pInstance, |
| Biquad_1I_Order2_FLOAT_Taps_t* pTaps, |
| BP_FLOAT_Coefs_t* pCoef) { |
| PFilter_State_FLOAT pBiquadState = (PFilter_State_FLOAT)pInstance; |
| pBiquadState->pDelays = (LVM_FLOAT*)pTaps; |
| |
| pBiquadState->coefs[0] = pCoef->A0; |
| pBiquadState->coefs[1] = pCoef->B2; |
| pBiquadState->coefs[2] = pCoef->B1; |
| } |
| #endif |
| /*-------------------------------------------------------------------------*/ |
| /* End Of File: BP_1I_D16F16Css_TRC_WRA_01_Init.c */ |