From 94f94260ace13688285fc8c62687079b26c18854 Mon Sep 17 00:00:00 2001 From: jaseg Date: Sun, 20 Dec 2020 15:18:02 +0100 Subject: Submodule-cache WIP --- .../arm_fir_interpolate_init_q31.c | 109 --------------------- 1 file changed, 109 deletions(-) delete mode 100644 fw/cdc-dials/Drivers/CMSIS/DSP/Source/FilteringFunctions/arm_fir_interpolate_init_q31.c (limited to 'fw/cdc-dials/Drivers/CMSIS/DSP/Source/FilteringFunctions/arm_fir_interpolate_init_q31.c') diff --git a/fw/cdc-dials/Drivers/CMSIS/DSP/Source/FilteringFunctions/arm_fir_interpolate_init_q31.c b/fw/cdc-dials/Drivers/CMSIS/DSP/Source/FilteringFunctions/arm_fir_interpolate_init_q31.c deleted file mode 100644 index 9875aa8..0000000 --- a/fw/cdc-dials/Drivers/CMSIS/DSP/Source/FilteringFunctions/arm_fir_interpolate_init_q31.c +++ /dev/null @@ -1,109 +0,0 @@ -/* ---------------------------------------------------------------------- - * Project: CMSIS DSP Library - * Title: arm_fir_interpolate_init_q31.c - * Description: Q31 FIR interpolator initialization function - * - * $Date: 27. January 2017 - * $Revision: V.1.5.1 - * - * Target Processor: Cortex-M cores - * -------------------------------------------------------------------- */ -/* - * Copyright (C) 2010-2017 ARM Limited or its affiliates. All rights reserved. - * - * SPDX-License-Identifier: Apache-2.0 - * - * 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 - * - * 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 "arm_math.h" - -/** - * @ingroup groupFilters - */ - -/** - * @addtogroup FIR_Interpolate - * @{ - */ - - -/** - * @brief Initialization function for the Q31 FIR interpolator. - * @param[in,out] *S points to an instance of the Q31 FIR interpolator structure. - * @param[in] L upsample factor. - * @param[in] numTaps number of filter coefficients in the filter. - * @param[in] *pCoeffs points to the filter coefficient buffer. - * @param[in] *pState points to the state buffer. - * @param[in] blockSize number of input samples to process per call. - * @return The function returns ARM_MATH_SUCCESS if initialization was successful or ARM_MATH_LENGTH_ERROR if - * the filter length numTaps is not a multiple of the interpolation factor L. - * - * Description: - * \par - * pCoeffs points to the array of filter coefficients stored in time reversed order: - *
- *    {b[numTaps-1], b[numTaps-2], b[numTaps-2], ..., b[1], b[0]}
- * 
- * The length of the filter numTaps must be a multiple of the interpolation factor L. - * \par - * pState points to the array of state variables. - * pState is of length (numTaps/L)+blockSize-1 words - * where blockSize is the number of input samples processed by each call to arm_fir_interpolate_q31(). - */ - -arm_status arm_fir_interpolate_init_q31( - arm_fir_interpolate_instance_q31 * S, - uint8_t L, - uint16_t numTaps, - q31_t * pCoeffs, - q31_t * pState, - uint32_t blockSize) -{ - arm_status status; - - /* The filter length must be a multiple of the interpolation factor */ - if ((numTaps % L) != 0U) - { - /* Set status as ARM_MATH_LENGTH_ERROR */ - status = ARM_MATH_LENGTH_ERROR; - } - else - { - - /* Assign coefficient pointer */ - S->pCoeffs = pCoeffs; - - /* Assign Interpolation factor */ - S->L = L; - - /* Assign polyPhaseLength */ - S->phaseLength = numTaps / L; - - /* Clear state buffer and size of buffer is always phaseLength + blockSize - 1 */ - memset(pState, 0, - (blockSize + ((uint32_t) S->phaseLength - 1U)) * sizeof(q31_t)); - - /* Assign state pointer */ - S->pState = pState; - - status = ARM_MATH_SUCCESS; - } - - return (status); - -} - - /** - * @} end of FIR_Interpolate group - */ -- cgit