From 6ab94e0b318884bbcb95e2ea3835f951502e1d99 Mon Sep 17 00:00:00 2001 From: jaseg Date: Wed, 14 Oct 2020 12:47:28 +0200 Subject: Move firmware into subdirectory --- .../DSP/Source/StatisticsFunctions/arm_mean_q31.c | 123 --------------------- 1 file changed, 123 deletions(-) delete mode 100644 hid-dials/Drivers/CMSIS/DSP/Source/StatisticsFunctions/arm_mean_q31.c (limited to 'hid-dials/Drivers/CMSIS/DSP/Source/StatisticsFunctions/arm_mean_q31.c') diff --git a/hid-dials/Drivers/CMSIS/DSP/Source/StatisticsFunctions/arm_mean_q31.c b/hid-dials/Drivers/CMSIS/DSP/Source/StatisticsFunctions/arm_mean_q31.c deleted file mode 100644 index def314a..0000000 --- a/hid-dials/Drivers/CMSIS/DSP/Source/StatisticsFunctions/arm_mean_q31.c +++ /dev/null @@ -1,123 +0,0 @@ -/* ---------------------------------------------------------------------- - * Project: CMSIS DSP Library - * Title: arm_mean_q31.c - * Description: Mean value of a Q31 vector - * - * $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 groupStats - */ - -/** - * @addtogroup mean - * @{ - */ - - -/** - * @brief Mean value of a Q31 vector. - * @param[in] *pSrc points to the input vector - * @param[in] blockSize length of the input vector - * @param[out] *pResult mean value returned here - * @return none. - * - * @details - * Scaling and Overflow Behavior: - *\par - * The function is implemented using a 64-bit internal accumulator. - * The input is represented in 1.31 format and is accumulated in a 64-bit - * accumulator in 33.31 format. - * There is no risk of internal overflow with this approach, and the - * full precision of intermediate result is preserved. - * Finally, the accumulator is truncated to yield a result of 1.31 format. - * - */ - -void arm_mean_q31( - q31_t * pSrc, - uint32_t blockSize, - q31_t * pResult) -{ - q63_t sum = 0; /* Temporary result storage */ - uint32_t blkCnt; /* loop counter */ - -#if defined (ARM_MATH_DSP) - /* Run the below code for Cortex-M4 and Cortex-M3 */ - - q31_t in1, in2, in3, in4; - - /*loop Unrolling */ - blkCnt = blockSize >> 2U; - - /* First part of the processing with loop unrolling. Compute 4 outputs at a time. - ** a second loop below computes the remaining 1 to 3 samples. */ - while (blkCnt > 0U) - { - /* C = (A[0] + A[1] + A[2] + ... + A[blockSize-1]) */ - in1 = *pSrc++; - in2 = *pSrc++; - in3 = *pSrc++; - in4 = *pSrc++; - - sum += in1; - sum += in2; - sum += in3; - sum += in4; - - /* Decrement the loop counter */ - blkCnt--; - } - - /* If the blockSize is not a multiple of 4, compute any remaining output samples here. - ** No loop unrolling is used. */ - blkCnt = blockSize % 0x4U; - -#else - /* Run the below code for Cortex-M0 */ - - /* Loop over blockSize number of values */ - blkCnt = blockSize; - -#endif /* #if defined (ARM_MATH_DSP) */ - - while (blkCnt > 0U) - { - /* C = (A[0] + A[1] + A[2] + ... + A[blockSize-1]) */ - sum += *pSrc++; - - /* Decrement the loop counter */ - blkCnt--; - } - - /* C = (A[0] + A[1] + A[2] + ... + A[blockSize-1]) / blockSize */ - /* Store the result to the destination */ - *pResult = (q31_t) (sum / (int32_t) blockSize); -} - -/** - * @} end of mean group - */ -- cgit