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_f32.c | 144 --------------------- 1 file changed, 144 deletions(-) delete mode 100644 hid-dials/Drivers/CMSIS/DSP/Source/ControllerFunctions/arm_sin_cos_f32.c (limited to 'hid-dials/Drivers/CMSIS/DSP/Source/ControllerFunctions/arm_sin_cos_f32.c') diff --git a/hid-dials/Drivers/CMSIS/DSP/Source/ControllerFunctions/arm_sin_cos_f32.c b/hid-dials/Drivers/CMSIS/DSP/Source/ControllerFunctions/arm_sin_cos_f32.c deleted file mode 100644 index 2aff091..0000000 --- a/hid-dials/Drivers/CMSIS/DSP/Source/ControllerFunctions/arm_sin_cos_f32.c +++ /dev/null @@ -1,144 +0,0 @@ -/* ---------------------------------------------------------------------- - * Project: CMSIS DSP Library - * Title: arm_sin_cos_f32.c - * Description: Sine and Cosine calculation for floating-point 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 - */ - -/** - * @defgroup SinCos Sine Cosine - * - * Computes the trigonometric sine and cosine values using a combination of table lookup - * and linear interpolation. - * There are separate functions for Q31 and floating-point data types. - * The input to the floating-point version is in degrees while the - * fixed-point Q31 have a scaled input with the range - * [-1 0.9999] mapping to [-180 +180] degrees. - * - * The floating point function also allows values that are out of the usual range. When this happens, the function will - * take extra time to adjust the input value to the range of [-180 180]. - * - * The result is accurate to 5 digits after the decimal point. - * - * The implementation is based on table lookup using 360 values together with linear interpolation. - * The steps used are: - * -# Calculation of the nearest integer table index. - * -# Compute the fractional portion (fract) of the input. - * -# Fetch the value corresponding to \c index from sine table to \c y0 and also value from \c index+1 to \c y1. - * -# Sine value is computed as *psinVal = y0 + (fract * (y1 - y0)). - * -# Fetch the value corresponding to \c index from cosine table to \c y0 and also value from \c index+1 to \c y1. - * -# Cosine value is computed as *pcosVal = y0 + (fract * (y1 - y0)). - */ - - /** - * @addtogroup SinCos - * @{ - */ - -/** - * @brief Floating-point sin_cos function. - * @param[in] theta input value in degrees - * @param[out] *pSinVal points to the processed sine output. - * @param[out] *pCosVal points to the processed cos output. - * @return none. - */ - -void arm_sin_cos_f32( - float32_t theta, - float32_t * pSinVal, - float32_t * pCosVal) -{ - float32_t fract, in; /* Temporary variables for input, output */ - uint16_t indexS, indexC; /* Index variable */ - float32_t f1, f2, d1, d2; /* Two nearest output values */ - float32_t findex, Dn, Df, temp; - - /* input x is in degrees */ - /* Scale the input, divide input by 360, for cosine add 0.25 (pi/2) to read sine table */ - in = theta * 0.00277777777778f; - - if (in < 0.0f) - { - in = -in; - } - - in = in - (int32_t)in; - - /* Calculation of index of the table */ - findex = (float32_t) FAST_MATH_TABLE_SIZE * in; - indexS = ((uint16_t)findex) & 0x1ff; - indexC = (indexS + (FAST_MATH_TABLE_SIZE / 4)) & 0x1ff; - - /* fractional value calculation */ - fract = findex - (float32_t) indexS; - - /* Read two nearest values of input value from the cos & sin tables */ - f1 = sinTable_f32[indexC+0]; - f2 = sinTable_f32[indexC+1]; - d1 = -sinTable_f32[indexS+0]; - d2 = -sinTable_f32[indexS+1]; - - temp = (1.0f - fract) * f1 + fract * f2; - - Dn = 0.0122718463030f; // 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 *(d1 + d2) - 2 * Df; - temp = fract * temp + (3 * Df - (d2 + 2 * d1) * Dn); - temp = fract * temp + d1 * Dn; - - /* Calculation of cosine value */ - *pCosVal = fract * temp + f1; - - /* Read two nearest values of input value from the cos & sin tables */ - f1 = sinTable_f32[indexS+0]; - f2 = sinTable_f32[indexS+1]; - d1 = sinTable_f32[indexC+0]; - d2 = sinTable_f32[indexC+1]; - - temp = (1.0f - fract) * f1 + fract * f2; - - Df = f2 - f1; // delta between the values of the functions - temp = Dn*(d1 + d2) - 2*Df; - temp = fract*temp + (3*Df - (d2 + 2*d1)*Dn); - temp = fract*temp + d1*Dn; - - /* Calculation of sine value */ - *pSinVal = fract*temp + f1; - - if (theta < 0.0f) - { - *pSinVal = -*pSinVal; - } -} -/** - * @} end of SinCos group - */ -- cgit