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 --- .../Source/ControllerFunctions/arm_sin_cos_q31.c | 110 --------------------- 1 file changed, 110 deletions(-) delete mode 100644 cdc-dials/Drivers/CMSIS/DSP/Source/ControllerFunctions/arm_sin_cos_q31.c (limited to 'cdc-dials/Drivers/CMSIS/DSP/Source/ControllerFunctions/arm_sin_cos_q31.c') diff --git a/cdc-dials/Drivers/CMSIS/DSP/Source/ControllerFunctions/arm_sin_cos_q31.c b/cdc-dials/Drivers/CMSIS/DSP/Source/ControllerFunctions/arm_sin_cos_q31.c deleted file mode 100644 index c1c33ec..0000000 --- a/cdc-dials/Drivers/CMSIS/DSP/Source/ControllerFunctions/arm_sin_cos_q31.c +++ /dev/null @@ -1,110 +0,0 @@ -/* ---------------------------------------------------------------------- - * Project: CMSIS DSP Library - * Title: arm_sin_cos_q31.c - * Description: Cosine & Sine calculation for Q31 values - * - * $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" -#include "arm_common_tables.h" - -/** - * @ingroup groupController - */ - - /** - * @addtogroup SinCos - * @{ - */ - -/** - * @brief Q31 sin_cos function. - * @param[in] theta scaled input value in degrees - * @param[out] *pSinVal points to the processed sine output. - * @param[out] *pCosVal points to the processed cosine output. - * @return none. - * - * The Q31 input value is in the range [-1 0.999999] and is mapped to a degree value in the range [-180 179]. - * - */ - -void arm_sin_cos_q31( - q31_t theta, - q31_t * pSinVal, - q31_t * pCosVal) -{ - q31_t fract; /* Temporary variables for input, output */ - uint16_t indexS, indexC; /* Index variable */ - q31_t f1, f2, d1, d2; /* Two nearest output values */ - q31_t Dn, Df; - q63_t temp; - - /* Calculate the nearest index */ - indexS = (uint32_t)theta >> CONTROLLER_Q31_SHIFT; - indexC = (indexS + 128) & 0x1ff; - - /* Calculation of fractional value */ - fract = (theta - (indexS << CONTROLLER_Q31_SHIFT)) << 8; - - /* Read two nearest values of input value from the cos & sin tables */ - f1 = sinTable_q31[indexC+0]; - f2 = sinTable_q31[indexC+1]; - d1 = -sinTable_q31[indexS+0]; - d2 = -sinTable_q31[indexS+1]; - - Dn = 0x1921FB5; // delta between the two points (fixed), in this case 2*pi/FAST_MATH_TABLE_SIZE - Df = f2 - f1; // delta between the values of the functions - temp = Dn*((q63_t)d1 + d2); - temp = temp - ((q63_t)Df << 32); - temp = (q63_t)fract*(temp >> 31); - temp = temp + ((3*(q63_t)Df << 31) - (d2 + ((q63_t)d1 << 1))*Dn); - temp = (q63_t)fract*(temp >> 31); - temp = temp + (q63_t)d1*Dn; - temp = (q63_t)fract*(temp >> 31); - - /* Calculation of cosine value */ - *pCosVal = clip_q63_to_q31((temp >> 31) + (q63_t)f1); - - /* Read two nearest values of input value from the cos & sin tables */ - f1 = sinTable_q31[indexS+0]; - f2 = sinTable_q31[indexS+1]; - d1 = sinTable_q31[indexC+0]; - d2 = sinTable_q31[indexC+1]; - - Df = f2 - f1; // delta between the values of the functions - temp = Dn*((q63_t)d1 + d2); - temp = temp - ((q63_t)Df << 32); - temp = (q63_t)fract*(temp >> 31); - temp = temp + ((3*(q63_t)Df << 31) - (d2 + ((q63_t)d1 << 1))*Dn); - temp = (q63_t)fract*(temp >> 31); - temp = temp + (q63_t)d1*Dn; - temp = (q63_t)fract*(temp >> 31); - - /* Calculation of sine value */ - *pSinVal = clip_q63_to_q31((temp >> 31) + (q63_t)f1); -} - -/** - * @} end of SinCos group - */ -- cgit