| /* |
| * 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_2I_D32F32Cll_TRC_WRA_01_Private.h" |
| |
| /*-------------------------------------------------------------------------*/ |
| /* FUNCTION: */ |
| /* BQ_2I_D32F32Cll_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 */ |
| /*-------------------------------------------------------------------------*/ |
| #ifdef BUILD_FLOAT |
| void BQ_2I_D32F32Cll_TRC_WRA_01_Init ( Biquad_FLOAT_Instance_t *pInstance, |
| Biquad_2I_Order2_FLOAT_Taps_t *pTaps, |
| BQ_FLOAT_Coefs_t *pCoef) |
| { |
| LVM_FLOAT temp; |
| PFilter_State_FLOAT pBiquadState = (PFilter_State_FLOAT) pInstance; |
| pBiquadState->pDelays = (LVM_FLOAT *) 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; |
| } |
| #else |
| void BQ_2I_D32F32Cll_TRC_WRA_01_Init ( Biquad_Instance_t *pInstance, |
| Biquad_2I_Order2_Taps_t *pTaps, |
| BQ_C32_Coefs_t *pCoef) |
| { |
| LVM_INT32 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; |
| } |
| #endif |
| /*-------------------------------------------------------------------------*/ |
| /* End Of File: BQ_2I_D32F32C32_TRC_WRA_01_Init.c */ |
| |