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Committer:
AnnaBridge
Date:
Wed Nov 08 17:18:06 2017 +0000
Revision:
156:ff21514d8981
Child:
160:5571c4ff569f
Reverting back to release 154 of the mbed library

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 156:ff21514d8981 1 /* ----------------------------------------------------------------------
AnnaBridge 156:ff21514d8981 2 * Project: CMSIS DSP Library
AnnaBridge 156:ff21514d8981 3 * Title: arm_math.h
AnnaBridge 156:ff21514d8981 4 * Description: Public header file for CMSIS DSP Library
AnnaBridge 156:ff21514d8981 5 *
AnnaBridge 156:ff21514d8981 6 * $Date: 27. January 2017
AnnaBridge 156:ff21514d8981 7 * $Revision: V.1.5.1
AnnaBridge 156:ff21514d8981 8 *
AnnaBridge 156:ff21514d8981 9 * Target Processor: Cortex-M cores
AnnaBridge 156:ff21514d8981 10 * -------------------------------------------------------------------- */
AnnaBridge 156:ff21514d8981 11 /*
AnnaBridge 156:ff21514d8981 12 * Copyright (C) 2010-2017 ARM Limited or its affiliates. All rights reserved.
AnnaBridge 156:ff21514d8981 13 *
AnnaBridge 156:ff21514d8981 14 * SPDX-License-Identifier: Apache-2.0
AnnaBridge 156:ff21514d8981 15 *
AnnaBridge 156:ff21514d8981 16 * Licensed under the Apache License, Version 2.0 (the License); you may
AnnaBridge 156:ff21514d8981 17 * not use this file except in compliance with the License.
AnnaBridge 156:ff21514d8981 18 * You may obtain a copy of the License at
AnnaBridge 156:ff21514d8981 19 *
AnnaBridge 156:ff21514d8981 20 * www.apache.org/licenses/LICENSE-2.0
AnnaBridge 156:ff21514d8981 21 *
AnnaBridge 156:ff21514d8981 22 * Unless required by applicable law or agreed to in writing, software
AnnaBridge 156:ff21514d8981 23 * distributed under the License is distributed on an AS IS BASIS, WITHOUT
AnnaBridge 156:ff21514d8981 24 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
AnnaBridge 156:ff21514d8981 25 * See the License for the specific language governing permissions and
AnnaBridge 156:ff21514d8981 26 * limitations under the License.
AnnaBridge 156:ff21514d8981 27 */
AnnaBridge 156:ff21514d8981 28
AnnaBridge 156:ff21514d8981 29 /**
AnnaBridge 156:ff21514d8981 30 \mainpage CMSIS DSP Software Library
AnnaBridge 156:ff21514d8981 31 *
AnnaBridge 156:ff21514d8981 32 * Introduction
AnnaBridge 156:ff21514d8981 33 * ------------
AnnaBridge 156:ff21514d8981 34 *
AnnaBridge 156:ff21514d8981 35 * This user manual describes the CMSIS DSP software library,
AnnaBridge 156:ff21514d8981 36 * a suite of common signal processing functions for use on Cortex-M processor based devices.
AnnaBridge 156:ff21514d8981 37 *
AnnaBridge 156:ff21514d8981 38 * The library is divided into a number of functions each covering a specific category:
AnnaBridge 156:ff21514d8981 39 * - Basic math functions
AnnaBridge 156:ff21514d8981 40 * - Fast math functions
AnnaBridge 156:ff21514d8981 41 * - Complex math functions
AnnaBridge 156:ff21514d8981 42 * - Filters
AnnaBridge 156:ff21514d8981 43 * - Matrix functions
AnnaBridge 156:ff21514d8981 44 * - Transforms
AnnaBridge 156:ff21514d8981 45 * - Motor control functions
AnnaBridge 156:ff21514d8981 46 * - Statistical functions
AnnaBridge 156:ff21514d8981 47 * - Support functions
AnnaBridge 156:ff21514d8981 48 * - Interpolation functions
AnnaBridge 156:ff21514d8981 49 *
AnnaBridge 156:ff21514d8981 50 * The library has separate functions for operating on 8-bit integers, 16-bit integers,
AnnaBridge 156:ff21514d8981 51 * 32-bit integer and 32-bit floating-point values.
AnnaBridge 156:ff21514d8981 52 *
AnnaBridge 156:ff21514d8981 53 * Using the Library
AnnaBridge 156:ff21514d8981 54 * ------------
AnnaBridge 156:ff21514d8981 55 *
AnnaBridge 156:ff21514d8981 56 * The library installer contains prebuilt versions of the libraries in the <code>Lib</code> folder.
AnnaBridge 156:ff21514d8981 57 * - arm_cortexM7lfdp_math.lib (Cortex-M7, Little endian, Double Precision Floating Point Unit)
AnnaBridge 156:ff21514d8981 58 * - arm_cortexM7bfdp_math.lib (Cortex-M7, Big endian, Double Precision Floating Point Unit)
AnnaBridge 156:ff21514d8981 59 * - arm_cortexM7lfsp_math.lib (Cortex-M7, Little endian, Single Precision Floating Point Unit)
AnnaBridge 156:ff21514d8981 60 * - arm_cortexM7bfsp_math.lib (Cortex-M7, Big endian and Single Precision Floating Point Unit on)
AnnaBridge 156:ff21514d8981 61 * - arm_cortexM7l_math.lib (Cortex-M7, Little endian)
AnnaBridge 156:ff21514d8981 62 * - arm_cortexM7b_math.lib (Cortex-M7, Big endian)
AnnaBridge 156:ff21514d8981 63 * - arm_cortexM4lf_math.lib (Cortex-M4, Little endian, Floating Point Unit)
AnnaBridge 156:ff21514d8981 64 * - arm_cortexM4bf_math.lib (Cortex-M4, Big endian, Floating Point Unit)
AnnaBridge 156:ff21514d8981 65 * - arm_cortexM4l_math.lib (Cortex-M4, Little endian)
AnnaBridge 156:ff21514d8981 66 * - arm_cortexM4b_math.lib (Cortex-M4, Big endian)
AnnaBridge 156:ff21514d8981 67 * - arm_cortexM3l_math.lib (Cortex-M3, Little endian)
AnnaBridge 156:ff21514d8981 68 * - arm_cortexM3b_math.lib (Cortex-M3, Big endian)
AnnaBridge 156:ff21514d8981 69 * - arm_cortexM0l_math.lib (Cortex-M0 / Cortex-M0+, Little endian)
AnnaBridge 156:ff21514d8981 70 * - arm_cortexM0b_math.lib (Cortex-M0 / Cortex-M0+, Big endian)
AnnaBridge 156:ff21514d8981 71 * - arm_ARMv8MBLl_math.lib (ARMv8M Baseline, Little endian)
AnnaBridge 156:ff21514d8981 72 * - arm_ARMv8MMLl_math.lib (ARMv8M Mainline, Little endian)
AnnaBridge 156:ff21514d8981 73 * - arm_ARMv8MMLlfsp_math.lib (ARMv8M Mainline, Little endian, Single Precision Floating Point Unit)
AnnaBridge 156:ff21514d8981 74 * - arm_ARMv8MMLld_math.lib (ARMv8M Mainline, Little endian, DSP instructions)
AnnaBridge 156:ff21514d8981 75 * - arm_ARMv8MMLldfsp_math.lib (ARMv8M Mainline, Little endian, DSP instructions, Single Precision Floating Point Unit)
AnnaBridge 156:ff21514d8981 76 *
AnnaBridge 156:ff21514d8981 77 * The library functions are declared in the public file <code>arm_math.h</code> which is placed in the <code>Include</code> folder.
AnnaBridge 156:ff21514d8981 78 * Simply include this file and link the appropriate library in the application and begin calling the library functions. The Library supports single
AnnaBridge 156:ff21514d8981 79 * public header file <code> arm_math.h</code> for Cortex-M cores with little endian and big endian. Same header file will be used for floating point unit(FPU) variants.
AnnaBridge 156:ff21514d8981 80 * Define the appropriate pre processor MACRO ARM_MATH_CM7 or ARM_MATH_CM4 or ARM_MATH_CM3 or
AnnaBridge 156:ff21514d8981 81 * ARM_MATH_CM0 or ARM_MATH_CM0PLUS depending on the target processor in the application.
AnnaBridge 156:ff21514d8981 82 * For ARMv8M cores define pre processor MACRO ARM_MATH_ARMV8MBL or ARM_MATH_ARMV8MML.
AnnaBridge 156:ff21514d8981 83 * Set Pre processor MACRO __DSP_PRESENT if ARMv8M Mainline core supports DSP instructions.
AnnaBridge 156:ff21514d8981 84 *
AnnaBridge 156:ff21514d8981 85 *
AnnaBridge 156:ff21514d8981 86 * Examples
AnnaBridge 156:ff21514d8981 87 * --------
AnnaBridge 156:ff21514d8981 88 *
AnnaBridge 156:ff21514d8981 89 * The library ships with a number of examples which demonstrate how to use the library functions.
AnnaBridge 156:ff21514d8981 90 *
AnnaBridge 156:ff21514d8981 91 * Toolchain Support
AnnaBridge 156:ff21514d8981 92 * ------------
AnnaBridge 156:ff21514d8981 93 *
AnnaBridge 156:ff21514d8981 94 * The library has been developed and tested with MDK-ARM version 5.14.0.0
AnnaBridge 156:ff21514d8981 95 * The library is being tested in GCC and IAR toolchains and updates on this activity will be made available shortly.
AnnaBridge 156:ff21514d8981 96 *
AnnaBridge 156:ff21514d8981 97 * Building the Library
AnnaBridge 156:ff21514d8981 98 * ------------
AnnaBridge 156:ff21514d8981 99 *
AnnaBridge 156:ff21514d8981 100 * The library installer contains a project file to re build libraries on MDK-ARM Tool chain in the <code>CMSIS\\DSP_Lib\\Source\\ARM</code> folder.
AnnaBridge 156:ff21514d8981 101 * - arm_cortexM_math.uvprojx
AnnaBridge 156:ff21514d8981 102 *
AnnaBridge 156:ff21514d8981 103 *
AnnaBridge 156:ff21514d8981 104 * The libraries can be built by opening the arm_cortexM_math.uvprojx project in MDK-ARM, selecting a specific target, and defining the optional pre processor MACROs detailed above.
AnnaBridge 156:ff21514d8981 105 *
AnnaBridge 156:ff21514d8981 106 * Pre-processor Macros
AnnaBridge 156:ff21514d8981 107 * ------------
AnnaBridge 156:ff21514d8981 108 *
AnnaBridge 156:ff21514d8981 109 * Each library project have differant pre-processor macros.
AnnaBridge 156:ff21514d8981 110 *
AnnaBridge 156:ff21514d8981 111 * - UNALIGNED_SUPPORT_DISABLE:
AnnaBridge 156:ff21514d8981 112 *
AnnaBridge 156:ff21514d8981 113 * Define macro UNALIGNED_SUPPORT_DISABLE, If the silicon does not support unaligned memory access
AnnaBridge 156:ff21514d8981 114 *
AnnaBridge 156:ff21514d8981 115 * - ARM_MATH_BIG_ENDIAN:
AnnaBridge 156:ff21514d8981 116 *
AnnaBridge 156:ff21514d8981 117 * Define macro ARM_MATH_BIG_ENDIAN to build the library for big endian targets. By default library builds for little endian targets.
AnnaBridge 156:ff21514d8981 118 *
AnnaBridge 156:ff21514d8981 119 * - ARM_MATH_MATRIX_CHECK:
AnnaBridge 156:ff21514d8981 120 *
AnnaBridge 156:ff21514d8981 121 * Define macro ARM_MATH_MATRIX_CHECK for checking on the input and output sizes of matrices
AnnaBridge 156:ff21514d8981 122 *
AnnaBridge 156:ff21514d8981 123 * - ARM_MATH_ROUNDING:
AnnaBridge 156:ff21514d8981 124 *
AnnaBridge 156:ff21514d8981 125 * Define macro ARM_MATH_ROUNDING for rounding on support functions
AnnaBridge 156:ff21514d8981 126 *
AnnaBridge 156:ff21514d8981 127 * - ARM_MATH_CMx:
AnnaBridge 156:ff21514d8981 128 *
AnnaBridge 156:ff21514d8981 129 * Define macro ARM_MATH_CM4 for building the library on Cortex-M4 target, ARM_MATH_CM3 for building library on Cortex-M3 target
AnnaBridge 156:ff21514d8981 130 * and ARM_MATH_CM0 for building library on Cortex-M0 target, ARM_MATH_CM0PLUS for building library on Cortex-M0+ target, and
AnnaBridge 156:ff21514d8981 131 * ARM_MATH_CM7 for building the library on cortex-M7.
AnnaBridge 156:ff21514d8981 132 *
AnnaBridge 156:ff21514d8981 133 * - ARM_MATH_ARMV8MxL:
AnnaBridge 156:ff21514d8981 134 *
AnnaBridge 156:ff21514d8981 135 * Define macro ARM_MATH_ARMV8MBL for building the library on ARMv8M Baseline target, ARM_MATH_ARMV8MBL for building library
AnnaBridge 156:ff21514d8981 136 * on ARMv8M Mainline target.
AnnaBridge 156:ff21514d8981 137 *
AnnaBridge 156:ff21514d8981 138 * - __FPU_PRESENT:
AnnaBridge 156:ff21514d8981 139 *
AnnaBridge 156:ff21514d8981 140 * Initialize macro __FPU_PRESENT = 1 when building on FPU supported Targets. Enable this macro for floating point libraries.
AnnaBridge 156:ff21514d8981 141 *
AnnaBridge 156:ff21514d8981 142 * - __DSP_PRESENT:
AnnaBridge 156:ff21514d8981 143 *
AnnaBridge 156:ff21514d8981 144 * Initialize macro __DSP_PRESENT = 1 when ARMv8M Mainline core supports DSP instructions.
AnnaBridge 156:ff21514d8981 145 *
AnnaBridge 156:ff21514d8981 146 * <hr>
AnnaBridge 156:ff21514d8981 147 * CMSIS-DSP in ARM::CMSIS Pack
AnnaBridge 156:ff21514d8981 148 * -----------------------------
AnnaBridge 156:ff21514d8981 149 *
AnnaBridge 156:ff21514d8981 150 * The following files relevant to CMSIS-DSP are present in the <b>ARM::CMSIS</b> Pack directories:
AnnaBridge 156:ff21514d8981 151 * |File/Folder |Content |
AnnaBridge 156:ff21514d8981 152 * |------------------------------|------------------------------------------------------------------------|
AnnaBridge 156:ff21514d8981 153 * |\b CMSIS\\Documentation\\DSP | This documentation |
AnnaBridge 156:ff21514d8981 154 * |\b CMSIS\\DSP_Lib | Software license agreement (license.txt) |
AnnaBridge 156:ff21514d8981 155 * |\b CMSIS\\DSP_Lib\\Examples | Example projects demonstrating the usage of the library functions |
AnnaBridge 156:ff21514d8981 156 * |\b CMSIS\\DSP_Lib\\Source | Source files for rebuilding the library |
AnnaBridge 156:ff21514d8981 157 *
AnnaBridge 156:ff21514d8981 158 * <hr>
AnnaBridge 156:ff21514d8981 159 * Revision History of CMSIS-DSP
AnnaBridge 156:ff21514d8981 160 * ------------
AnnaBridge 156:ff21514d8981 161 * Please refer to \ref ChangeLog_pg.
AnnaBridge 156:ff21514d8981 162 *
AnnaBridge 156:ff21514d8981 163 * Copyright Notice
AnnaBridge 156:ff21514d8981 164 * ------------
AnnaBridge 156:ff21514d8981 165 *
AnnaBridge 156:ff21514d8981 166 * Copyright (C) 2010-2015 ARM Limited. All rights reserved.
AnnaBridge 156:ff21514d8981 167 */
AnnaBridge 156:ff21514d8981 168
AnnaBridge 156:ff21514d8981 169
AnnaBridge 156:ff21514d8981 170 /**
AnnaBridge 156:ff21514d8981 171 * @defgroup groupMath Basic Math Functions
AnnaBridge 156:ff21514d8981 172 */
AnnaBridge 156:ff21514d8981 173
AnnaBridge 156:ff21514d8981 174 /**
AnnaBridge 156:ff21514d8981 175 * @defgroup groupFastMath Fast Math Functions
AnnaBridge 156:ff21514d8981 176 * This set of functions provides a fast approximation to sine, cosine, and square root.
AnnaBridge 156:ff21514d8981 177 * As compared to most of the other functions in the CMSIS math library, the fast math functions
AnnaBridge 156:ff21514d8981 178 * operate on individual values and not arrays.
AnnaBridge 156:ff21514d8981 179 * There are separate functions for Q15, Q31, and floating-point data.
AnnaBridge 156:ff21514d8981 180 *
AnnaBridge 156:ff21514d8981 181 */
AnnaBridge 156:ff21514d8981 182
AnnaBridge 156:ff21514d8981 183 /**
AnnaBridge 156:ff21514d8981 184 * @defgroup groupCmplxMath Complex Math Functions
AnnaBridge 156:ff21514d8981 185 * This set of functions operates on complex data vectors.
AnnaBridge 156:ff21514d8981 186 * The data in the complex arrays is stored in an interleaved fashion
AnnaBridge 156:ff21514d8981 187 * (real, imag, real, imag, ...).
AnnaBridge 156:ff21514d8981 188 * In the API functions, the number of samples in a complex array refers
AnnaBridge 156:ff21514d8981 189 * to the number of complex values; the array contains twice this number of
AnnaBridge 156:ff21514d8981 190 * real values.
AnnaBridge 156:ff21514d8981 191 */
AnnaBridge 156:ff21514d8981 192
AnnaBridge 156:ff21514d8981 193 /**
AnnaBridge 156:ff21514d8981 194 * @defgroup groupFilters Filtering Functions
AnnaBridge 156:ff21514d8981 195 */
AnnaBridge 156:ff21514d8981 196
AnnaBridge 156:ff21514d8981 197 /**
AnnaBridge 156:ff21514d8981 198 * @defgroup groupMatrix Matrix Functions
AnnaBridge 156:ff21514d8981 199 *
AnnaBridge 156:ff21514d8981 200 * This set of functions provides basic matrix math operations.
AnnaBridge 156:ff21514d8981 201 * The functions operate on matrix data structures. For example,
AnnaBridge 156:ff21514d8981 202 * the type
AnnaBridge 156:ff21514d8981 203 * definition for the floating-point matrix structure is shown
AnnaBridge 156:ff21514d8981 204 * below:
AnnaBridge 156:ff21514d8981 205 * <pre>
AnnaBridge 156:ff21514d8981 206 * typedef struct
AnnaBridge 156:ff21514d8981 207 * {
AnnaBridge 156:ff21514d8981 208 * uint16_t numRows; // number of rows of the matrix.
AnnaBridge 156:ff21514d8981 209 * uint16_t numCols; // number of columns of the matrix.
AnnaBridge 156:ff21514d8981 210 * float32_t *pData; // points to the data of the matrix.
AnnaBridge 156:ff21514d8981 211 * } arm_matrix_instance_f32;
AnnaBridge 156:ff21514d8981 212 * </pre>
AnnaBridge 156:ff21514d8981 213 * There are similar definitions for Q15 and Q31 data types.
AnnaBridge 156:ff21514d8981 214 *
AnnaBridge 156:ff21514d8981 215 * The structure specifies the size of the matrix and then points to
AnnaBridge 156:ff21514d8981 216 * an array of data. The array is of size <code>numRows X numCols</code>
AnnaBridge 156:ff21514d8981 217 * and the values are arranged in row order. That is, the
AnnaBridge 156:ff21514d8981 218 * matrix element (i, j) is stored at:
AnnaBridge 156:ff21514d8981 219 * <pre>
AnnaBridge 156:ff21514d8981 220 * pData[i*numCols + j]
AnnaBridge 156:ff21514d8981 221 * </pre>
AnnaBridge 156:ff21514d8981 222 *
AnnaBridge 156:ff21514d8981 223 * \par Init Functions
AnnaBridge 156:ff21514d8981 224 * There is an associated initialization function for each type of matrix
AnnaBridge 156:ff21514d8981 225 * data structure.
AnnaBridge 156:ff21514d8981 226 * The initialization function sets the values of the internal structure fields.
AnnaBridge 156:ff21514d8981 227 * Refer to the function <code>arm_mat_init_f32()</code>, <code>arm_mat_init_q31()</code>
AnnaBridge 156:ff21514d8981 228 * and <code>arm_mat_init_q15()</code> for floating-point, Q31 and Q15 types, respectively.
AnnaBridge 156:ff21514d8981 229 *
AnnaBridge 156:ff21514d8981 230 * \par
AnnaBridge 156:ff21514d8981 231 * Use of the initialization function is optional. However, if initialization function is used
AnnaBridge 156:ff21514d8981 232 * then the instance structure cannot be placed into a const data section.
AnnaBridge 156:ff21514d8981 233 * To place the instance structure in a const data
AnnaBridge 156:ff21514d8981 234 * section, manually initialize the data structure. For example:
AnnaBridge 156:ff21514d8981 235 * <pre>
AnnaBridge 156:ff21514d8981 236 * <code>arm_matrix_instance_f32 S = {nRows, nColumns, pData};</code>
AnnaBridge 156:ff21514d8981 237 * <code>arm_matrix_instance_q31 S = {nRows, nColumns, pData};</code>
AnnaBridge 156:ff21514d8981 238 * <code>arm_matrix_instance_q15 S = {nRows, nColumns, pData};</code>
AnnaBridge 156:ff21514d8981 239 * </pre>
AnnaBridge 156:ff21514d8981 240 * where <code>nRows</code> specifies the number of rows, <code>nColumns</code>
AnnaBridge 156:ff21514d8981 241 * specifies the number of columns, and <code>pData</code> points to the
AnnaBridge 156:ff21514d8981 242 * data array.
AnnaBridge 156:ff21514d8981 243 *
AnnaBridge 156:ff21514d8981 244 * \par Size Checking
AnnaBridge 156:ff21514d8981 245 * By default all of the matrix functions perform size checking on the input and
AnnaBridge 156:ff21514d8981 246 * output matrices. For example, the matrix addition function verifies that the
AnnaBridge 156:ff21514d8981 247 * two input matrices and the output matrix all have the same number of rows and
AnnaBridge 156:ff21514d8981 248 * columns. If the size check fails the functions return:
AnnaBridge 156:ff21514d8981 249 * <pre>
AnnaBridge 156:ff21514d8981 250 * ARM_MATH_SIZE_MISMATCH
AnnaBridge 156:ff21514d8981 251 * </pre>
AnnaBridge 156:ff21514d8981 252 * Otherwise the functions return
AnnaBridge 156:ff21514d8981 253 * <pre>
AnnaBridge 156:ff21514d8981 254 * ARM_MATH_SUCCESS
AnnaBridge 156:ff21514d8981 255 * </pre>
AnnaBridge 156:ff21514d8981 256 * There is some overhead associated with this matrix size checking.
AnnaBridge 156:ff21514d8981 257 * The matrix size checking is enabled via the \#define
AnnaBridge 156:ff21514d8981 258 * <pre>
AnnaBridge 156:ff21514d8981 259 * ARM_MATH_MATRIX_CHECK
AnnaBridge 156:ff21514d8981 260 * </pre>
AnnaBridge 156:ff21514d8981 261 * within the library project settings. By default this macro is defined
AnnaBridge 156:ff21514d8981 262 * and size checking is enabled. By changing the project settings and
AnnaBridge 156:ff21514d8981 263 * undefining this macro size checking is eliminated and the functions
AnnaBridge 156:ff21514d8981 264 * run a bit faster. With size checking disabled the functions always
AnnaBridge 156:ff21514d8981 265 * return <code>ARM_MATH_SUCCESS</code>.
AnnaBridge 156:ff21514d8981 266 */
AnnaBridge 156:ff21514d8981 267
AnnaBridge 156:ff21514d8981 268 /**
AnnaBridge 156:ff21514d8981 269 * @defgroup groupTransforms Transform Functions
AnnaBridge 156:ff21514d8981 270 */
AnnaBridge 156:ff21514d8981 271
AnnaBridge 156:ff21514d8981 272 /**
AnnaBridge 156:ff21514d8981 273 * @defgroup groupController Controller Functions
AnnaBridge 156:ff21514d8981 274 */
AnnaBridge 156:ff21514d8981 275
AnnaBridge 156:ff21514d8981 276 /**
AnnaBridge 156:ff21514d8981 277 * @defgroup groupStats Statistics Functions
AnnaBridge 156:ff21514d8981 278 */
AnnaBridge 156:ff21514d8981 279 /**
AnnaBridge 156:ff21514d8981 280 * @defgroup groupSupport Support Functions
AnnaBridge 156:ff21514d8981 281 */
AnnaBridge 156:ff21514d8981 282
AnnaBridge 156:ff21514d8981 283 /**
AnnaBridge 156:ff21514d8981 284 * @defgroup groupInterpolation Interpolation Functions
AnnaBridge 156:ff21514d8981 285 * These functions perform 1- and 2-dimensional interpolation of data.
AnnaBridge 156:ff21514d8981 286 * Linear interpolation is used for 1-dimensional data and
AnnaBridge 156:ff21514d8981 287 * bilinear interpolation is used for 2-dimensional data.
AnnaBridge 156:ff21514d8981 288 */
AnnaBridge 156:ff21514d8981 289
AnnaBridge 156:ff21514d8981 290 /**
AnnaBridge 156:ff21514d8981 291 * @defgroup groupExamples Examples
AnnaBridge 156:ff21514d8981 292 */
AnnaBridge 156:ff21514d8981 293 #ifndef _ARM_MATH_H
AnnaBridge 156:ff21514d8981 294 #define _ARM_MATH_H
AnnaBridge 156:ff21514d8981 295
AnnaBridge 156:ff21514d8981 296 /* Compiler specific diagnostic adjustment */
AnnaBridge 156:ff21514d8981 297 #if defined ( __CC_ARM )
AnnaBridge 156:ff21514d8981 298
AnnaBridge 156:ff21514d8981 299 #elif defined ( __ARMCC_VERSION ) && ( __ARMCC_VERSION >= 6010050 )
AnnaBridge 156:ff21514d8981 300
AnnaBridge 156:ff21514d8981 301 #elif defined ( __GNUC__ )
AnnaBridge 156:ff21514d8981 302 #pragma GCC diagnostic push
AnnaBridge 156:ff21514d8981 303 #pragma GCC diagnostic ignored "-Wsign-conversion"
AnnaBridge 156:ff21514d8981 304 #pragma GCC diagnostic ignored "-Wconversion"
AnnaBridge 156:ff21514d8981 305 #pragma GCC diagnostic ignored "-Wunused-parameter"
AnnaBridge 156:ff21514d8981 306
AnnaBridge 156:ff21514d8981 307 #elif defined ( __ICCARM__ )
AnnaBridge 156:ff21514d8981 308
AnnaBridge 156:ff21514d8981 309 #elif defined ( __TI_ARM__ )
AnnaBridge 156:ff21514d8981 310
AnnaBridge 156:ff21514d8981 311 #elif defined ( __CSMC__ )
AnnaBridge 156:ff21514d8981 312
AnnaBridge 156:ff21514d8981 313 #elif defined ( __TASKING__ )
AnnaBridge 156:ff21514d8981 314
AnnaBridge 156:ff21514d8981 315 #else
AnnaBridge 156:ff21514d8981 316 #error Unknown compiler
AnnaBridge 156:ff21514d8981 317 #endif
AnnaBridge 156:ff21514d8981 318
AnnaBridge 156:ff21514d8981 319
AnnaBridge 156:ff21514d8981 320 #define __CMSIS_GENERIC /* disable NVIC and Systick functions */
AnnaBridge 156:ff21514d8981 321
AnnaBridge 156:ff21514d8981 322 #if defined(ARM_MATH_CM7)
AnnaBridge 156:ff21514d8981 323 #include "core_cm7.h"
AnnaBridge 156:ff21514d8981 324 #define ARM_MATH_DSP
AnnaBridge 156:ff21514d8981 325 #elif defined (ARM_MATH_CM4)
AnnaBridge 156:ff21514d8981 326 #include "core_cm4.h"
AnnaBridge 156:ff21514d8981 327 #define ARM_MATH_DSP
AnnaBridge 156:ff21514d8981 328 #elif defined (ARM_MATH_CM3)
AnnaBridge 156:ff21514d8981 329 #include "core_cm3.h"
AnnaBridge 156:ff21514d8981 330 #elif defined (ARM_MATH_CM0)
AnnaBridge 156:ff21514d8981 331 #include "core_cm0.h"
AnnaBridge 156:ff21514d8981 332 #define ARM_MATH_CM0_FAMILY
AnnaBridge 156:ff21514d8981 333 #elif defined (ARM_MATH_CM0PLUS)
AnnaBridge 156:ff21514d8981 334 #include "core_cm0plus.h"
AnnaBridge 156:ff21514d8981 335 #define ARM_MATH_CM0_FAMILY
AnnaBridge 156:ff21514d8981 336 #elif defined (ARM_MATH_ARMV8MBL)
AnnaBridge 156:ff21514d8981 337 #include "core_armv8mbl.h"
AnnaBridge 156:ff21514d8981 338 #define ARM_MATH_CM0_FAMILY
AnnaBridge 156:ff21514d8981 339 #elif defined (ARM_MATH_ARMV8MML)
AnnaBridge 156:ff21514d8981 340 #include "core_armv8mml.h"
AnnaBridge 156:ff21514d8981 341 #if (defined (__DSP_PRESENT) && (__DSP_PRESENT == 1))
AnnaBridge 156:ff21514d8981 342 #define ARM_MATH_DSP
AnnaBridge 156:ff21514d8981 343 #endif
AnnaBridge 156:ff21514d8981 344 #else
AnnaBridge 156:ff21514d8981 345 #error "Define according the used Cortex core ARM_MATH_CM7, ARM_MATH_CM4, ARM_MATH_CM3, ARM_MATH_CM0PLUS, ARM_MATH_CM0, ARM_MATH_ARMV8MBL, ARM_MATH_ARMV8MML"
AnnaBridge 156:ff21514d8981 346 #endif
AnnaBridge 156:ff21514d8981 347
AnnaBridge 156:ff21514d8981 348 #undef __CMSIS_GENERIC /* enable NVIC and Systick functions */
AnnaBridge 156:ff21514d8981 349 #include "string.h"
AnnaBridge 156:ff21514d8981 350 #include "math.h"
AnnaBridge 156:ff21514d8981 351 #ifdef __cplusplus
AnnaBridge 156:ff21514d8981 352 extern "C"
AnnaBridge 156:ff21514d8981 353 {
AnnaBridge 156:ff21514d8981 354 #endif
AnnaBridge 156:ff21514d8981 355
AnnaBridge 156:ff21514d8981 356
AnnaBridge 156:ff21514d8981 357 /**
AnnaBridge 156:ff21514d8981 358 * @brief Macros required for reciprocal calculation in Normalized LMS
AnnaBridge 156:ff21514d8981 359 */
AnnaBridge 156:ff21514d8981 360
AnnaBridge 156:ff21514d8981 361 #define DELTA_Q31 (0x100)
AnnaBridge 156:ff21514d8981 362 #define DELTA_Q15 0x5
AnnaBridge 156:ff21514d8981 363 #define INDEX_MASK 0x0000003F
AnnaBridge 156:ff21514d8981 364 #ifndef PI
AnnaBridge 156:ff21514d8981 365 #define PI 3.14159265358979f
AnnaBridge 156:ff21514d8981 366 #endif
AnnaBridge 156:ff21514d8981 367
AnnaBridge 156:ff21514d8981 368 /**
AnnaBridge 156:ff21514d8981 369 * @brief Macros required for SINE and COSINE Fast math approximations
AnnaBridge 156:ff21514d8981 370 */
AnnaBridge 156:ff21514d8981 371
AnnaBridge 156:ff21514d8981 372 #define FAST_MATH_TABLE_SIZE 512
AnnaBridge 156:ff21514d8981 373 #define FAST_MATH_Q31_SHIFT (32 - 10)
AnnaBridge 156:ff21514d8981 374 #define FAST_MATH_Q15_SHIFT (16 - 10)
AnnaBridge 156:ff21514d8981 375 #define CONTROLLER_Q31_SHIFT (32 - 9)
AnnaBridge 156:ff21514d8981 376 #define TABLE_SPACING_Q31 0x400000
AnnaBridge 156:ff21514d8981 377 #define TABLE_SPACING_Q15 0x80
AnnaBridge 156:ff21514d8981 378
AnnaBridge 156:ff21514d8981 379 /**
AnnaBridge 156:ff21514d8981 380 * @brief Macros required for SINE and COSINE Controller functions
AnnaBridge 156:ff21514d8981 381 */
AnnaBridge 156:ff21514d8981 382 /* 1.31(q31) Fixed value of 2/360 */
AnnaBridge 156:ff21514d8981 383 /* -1 to +1 is divided into 360 values so total spacing is (2/360) */
AnnaBridge 156:ff21514d8981 384 #define INPUT_SPACING 0xB60B61
AnnaBridge 156:ff21514d8981 385
AnnaBridge 156:ff21514d8981 386 /**
AnnaBridge 156:ff21514d8981 387 * @brief Macro for Unaligned Support
AnnaBridge 156:ff21514d8981 388 */
AnnaBridge 156:ff21514d8981 389 #ifndef UNALIGNED_SUPPORT_DISABLE
AnnaBridge 156:ff21514d8981 390 #define ALIGN4
AnnaBridge 156:ff21514d8981 391 #else
AnnaBridge 156:ff21514d8981 392 #if defined (__GNUC__)
AnnaBridge 156:ff21514d8981 393 #define ALIGN4 __attribute__((aligned(4)))
AnnaBridge 156:ff21514d8981 394 #else
AnnaBridge 156:ff21514d8981 395 #define ALIGN4 __align(4)
AnnaBridge 156:ff21514d8981 396 #endif
AnnaBridge 156:ff21514d8981 397 #endif /* #ifndef UNALIGNED_SUPPORT_DISABLE */
AnnaBridge 156:ff21514d8981 398
AnnaBridge 156:ff21514d8981 399 /**
AnnaBridge 156:ff21514d8981 400 * @brief Error status returned by some functions in the library.
AnnaBridge 156:ff21514d8981 401 */
AnnaBridge 156:ff21514d8981 402
AnnaBridge 156:ff21514d8981 403 typedef enum
AnnaBridge 156:ff21514d8981 404 {
AnnaBridge 156:ff21514d8981 405 ARM_MATH_SUCCESS = 0, /**< No error */
AnnaBridge 156:ff21514d8981 406 ARM_MATH_ARGUMENT_ERROR = -1, /**< One or more arguments are incorrect */
AnnaBridge 156:ff21514d8981 407 ARM_MATH_LENGTH_ERROR = -2, /**< Length of data buffer is incorrect */
AnnaBridge 156:ff21514d8981 408 ARM_MATH_SIZE_MISMATCH = -3, /**< Size of matrices is not compatible with the operation. */
AnnaBridge 156:ff21514d8981 409 ARM_MATH_NANINF = -4, /**< Not-a-number (NaN) or infinity is generated */
AnnaBridge 156:ff21514d8981 410 ARM_MATH_SINGULAR = -5, /**< Generated by matrix inversion if the input matrix is singular and cannot be inverted. */
AnnaBridge 156:ff21514d8981 411 ARM_MATH_TEST_FAILURE = -6 /**< Test Failed */
AnnaBridge 156:ff21514d8981 412 } arm_status;
AnnaBridge 156:ff21514d8981 413
AnnaBridge 156:ff21514d8981 414 /**
AnnaBridge 156:ff21514d8981 415 * @brief 8-bit fractional data type in 1.7 format.
AnnaBridge 156:ff21514d8981 416 */
AnnaBridge 156:ff21514d8981 417 typedef int8_t q7_t;
AnnaBridge 156:ff21514d8981 418
AnnaBridge 156:ff21514d8981 419 /**
AnnaBridge 156:ff21514d8981 420 * @brief 16-bit fractional data type in 1.15 format.
AnnaBridge 156:ff21514d8981 421 */
AnnaBridge 156:ff21514d8981 422 typedef int16_t q15_t;
AnnaBridge 156:ff21514d8981 423
AnnaBridge 156:ff21514d8981 424 /**
AnnaBridge 156:ff21514d8981 425 * @brief 32-bit fractional data type in 1.31 format.
AnnaBridge 156:ff21514d8981 426 */
AnnaBridge 156:ff21514d8981 427 typedef int32_t q31_t;
AnnaBridge 156:ff21514d8981 428
AnnaBridge 156:ff21514d8981 429 /**
AnnaBridge 156:ff21514d8981 430 * @brief 64-bit fractional data type in 1.63 format.
AnnaBridge 156:ff21514d8981 431 */
AnnaBridge 156:ff21514d8981 432 typedef int64_t q63_t;
AnnaBridge 156:ff21514d8981 433
AnnaBridge 156:ff21514d8981 434 /**
AnnaBridge 156:ff21514d8981 435 * @brief 32-bit floating-point type definition.
AnnaBridge 156:ff21514d8981 436 */
AnnaBridge 156:ff21514d8981 437 typedef float float32_t;
AnnaBridge 156:ff21514d8981 438
AnnaBridge 156:ff21514d8981 439 /**
AnnaBridge 156:ff21514d8981 440 * @brief 64-bit floating-point type definition.
AnnaBridge 156:ff21514d8981 441 */
AnnaBridge 156:ff21514d8981 442 typedef double float64_t;
AnnaBridge 156:ff21514d8981 443
AnnaBridge 156:ff21514d8981 444 /**
AnnaBridge 156:ff21514d8981 445 * @brief definition to read/write two 16 bit values.
AnnaBridge 156:ff21514d8981 446 */
AnnaBridge 156:ff21514d8981 447 #if defined ( __CC_ARM )
AnnaBridge 156:ff21514d8981 448 #define __SIMD32_TYPE int32_t __packed
AnnaBridge 156:ff21514d8981 449 #define CMSIS_UNUSED __attribute__((unused))
AnnaBridge 156:ff21514d8981 450 #define CMSIS_INLINE __attribute__((always_inline))
AnnaBridge 156:ff21514d8981 451
AnnaBridge 156:ff21514d8981 452 #elif defined ( __ARMCC_VERSION ) && ( __ARMCC_VERSION >= 6010050 )
AnnaBridge 156:ff21514d8981 453 #define __SIMD32_TYPE int32_t
AnnaBridge 156:ff21514d8981 454 #define CMSIS_UNUSED __attribute__((unused))
AnnaBridge 156:ff21514d8981 455 #define CMSIS_INLINE __attribute__((always_inline))
AnnaBridge 156:ff21514d8981 456
AnnaBridge 156:ff21514d8981 457 #elif defined ( __GNUC__ )
AnnaBridge 156:ff21514d8981 458 #define __SIMD32_TYPE int32_t
AnnaBridge 156:ff21514d8981 459 #define CMSIS_UNUSED __attribute__((unused))
AnnaBridge 156:ff21514d8981 460 #define CMSIS_INLINE __attribute__((always_inline))
AnnaBridge 156:ff21514d8981 461
AnnaBridge 156:ff21514d8981 462 #elif defined ( __ICCARM__ )
AnnaBridge 156:ff21514d8981 463 #define __SIMD32_TYPE int32_t __packed
AnnaBridge 156:ff21514d8981 464 #define CMSIS_UNUSED
AnnaBridge 156:ff21514d8981 465 #define CMSIS_INLINE
AnnaBridge 156:ff21514d8981 466
AnnaBridge 156:ff21514d8981 467 #elif defined ( __TI_ARM__ )
AnnaBridge 156:ff21514d8981 468 #define __SIMD32_TYPE int32_t
AnnaBridge 156:ff21514d8981 469 #define CMSIS_UNUSED __attribute__((unused))
AnnaBridge 156:ff21514d8981 470 #define CMSIS_INLINE
AnnaBridge 156:ff21514d8981 471
AnnaBridge 156:ff21514d8981 472 #elif defined ( __CSMC__ )
AnnaBridge 156:ff21514d8981 473 #define __SIMD32_TYPE int32_t
AnnaBridge 156:ff21514d8981 474 #define CMSIS_UNUSED
AnnaBridge 156:ff21514d8981 475 #define CMSIS_INLINE
AnnaBridge 156:ff21514d8981 476
AnnaBridge 156:ff21514d8981 477 #elif defined ( __TASKING__ )
AnnaBridge 156:ff21514d8981 478 #define __SIMD32_TYPE __unaligned int32_t
AnnaBridge 156:ff21514d8981 479 #define CMSIS_UNUSED
AnnaBridge 156:ff21514d8981 480 #define CMSIS_INLINE
AnnaBridge 156:ff21514d8981 481
AnnaBridge 156:ff21514d8981 482 #else
AnnaBridge 156:ff21514d8981 483 #error Unknown compiler
AnnaBridge 156:ff21514d8981 484 #endif
AnnaBridge 156:ff21514d8981 485
AnnaBridge 156:ff21514d8981 486 #define __SIMD32(addr) (*(__SIMD32_TYPE **) & (addr))
AnnaBridge 156:ff21514d8981 487 #define __SIMD32_CONST(addr) ((__SIMD32_TYPE *)(addr))
AnnaBridge 156:ff21514d8981 488 #define _SIMD32_OFFSET(addr) (*(__SIMD32_TYPE *) (addr))
AnnaBridge 156:ff21514d8981 489 #define __SIMD64(addr) (*(int64_t **) & (addr))
AnnaBridge 156:ff21514d8981 490
AnnaBridge 156:ff21514d8981 491 /* #if defined (ARM_MATH_CM3) || defined (ARM_MATH_CM0_FAMILY) */
AnnaBridge 156:ff21514d8981 492 #if !defined (ARM_MATH_DSP)
AnnaBridge 156:ff21514d8981 493 /**
AnnaBridge 156:ff21514d8981 494 * @brief definition to pack two 16 bit values.
AnnaBridge 156:ff21514d8981 495 */
AnnaBridge 156:ff21514d8981 496 #define __PKHBT(ARG1, ARG2, ARG3) ( (((int32_t)(ARG1) << 0) & (int32_t)0x0000FFFF) | \
AnnaBridge 156:ff21514d8981 497 (((int32_t)(ARG2) << ARG3) & (int32_t)0xFFFF0000) )
AnnaBridge 156:ff21514d8981 498 #define __PKHTB(ARG1, ARG2, ARG3) ( (((int32_t)(ARG1) << 0) & (int32_t)0xFFFF0000) | \
AnnaBridge 156:ff21514d8981 499 (((int32_t)(ARG2) >> ARG3) & (int32_t)0x0000FFFF) )
AnnaBridge 156:ff21514d8981 500
AnnaBridge 156:ff21514d8981 501 /* #endif // defined (ARM_MATH_CM3) || defined (ARM_MATH_CM0_FAMILY) */
AnnaBridge 156:ff21514d8981 502 #endif /* !defined (ARM_MATH_DSP) */
AnnaBridge 156:ff21514d8981 503
AnnaBridge 156:ff21514d8981 504 /**
AnnaBridge 156:ff21514d8981 505 * @brief definition to pack four 8 bit values.
AnnaBridge 156:ff21514d8981 506 */
AnnaBridge 156:ff21514d8981 507 #ifndef ARM_MATH_BIG_ENDIAN
AnnaBridge 156:ff21514d8981 508
AnnaBridge 156:ff21514d8981 509 #define __PACKq7(v0,v1,v2,v3) ( (((int32_t)(v0) << 0) & (int32_t)0x000000FF) | \
AnnaBridge 156:ff21514d8981 510 (((int32_t)(v1) << 8) & (int32_t)0x0000FF00) | \
AnnaBridge 156:ff21514d8981 511 (((int32_t)(v2) << 16) & (int32_t)0x00FF0000) | \
AnnaBridge 156:ff21514d8981 512 (((int32_t)(v3) << 24) & (int32_t)0xFF000000) )
AnnaBridge 156:ff21514d8981 513 #else
AnnaBridge 156:ff21514d8981 514
AnnaBridge 156:ff21514d8981 515 #define __PACKq7(v0,v1,v2,v3) ( (((int32_t)(v3) << 0) & (int32_t)0x000000FF) | \
AnnaBridge 156:ff21514d8981 516 (((int32_t)(v2) << 8) & (int32_t)0x0000FF00) | \
AnnaBridge 156:ff21514d8981 517 (((int32_t)(v1) << 16) & (int32_t)0x00FF0000) | \
AnnaBridge 156:ff21514d8981 518 (((int32_t)(v0) << 24) & (int32_t)0xFF000000) )
AnnaBridge 156:ff21514d8981 519
AnnaBridge 156:ff21514d8981 520 #endif
AnnaBridge 156:ff21514d8981 521
AnnaBridge 156:ff21514d8981 522
AnnaBridge 156:ff21514d8981 523 /**
AnnaBridge 156:ff21514d8981 524 * @brief Clips Q63 to Q31 values.
AnnaBridge 156:ff21514d8981 525 */
AnnaBridge 156:ff21514d8981 526 CMSIS_INLINE __STATIC_INLINE q31_t clip_q63_to_q31(
AnnaBridge 156:ff21514d8981 527 q63_t x)
AnnaBridge 156:ff21514d8981 528 {
AnnaBridge 156:ff21514d8981 529 return ((q31_t) (x >> 32) != ((q31_t) x >> 31)) ?
AnnaBridge 156:ff21514d8981 530 ((0x7FFFFFFF ^ ((q31_t) (x >> 63)))) : (q31_t) x;
AnnaBridge 156:ff21514d8981 531 }
AnnaBridge 156:ff21514d8981 532
AnnaBridge 156:ff21514d8981 533 /**
AnnaBridge 156:ff21514d8981 534 * @brief Clips Q63 to Q15 values.
AnnaBridge 156:ff21514d8981 535 */
AnnaBridge 156:ff21514d8981 536 CMSIS_INLINE __STATIC_INLINE q15_t clip_q63_to_q15(
AnnaBridge 156:ff21514d8981 537 q63_t x)
AnnaBridge 156:ff21514d8981 538 {
AnnaBridge 156:ff21514d8981 539 return ((q31_t) (x >> 32) != ((q31_t) x >> 31)) ?
AnnaBridge 156:ff21514d8981 540 ((0x7FFF ^ ((q15_t) (x >> 63)))) : (q15_t) (x >> 15);
AnnaBridge 156:ff21514d8981 541 }
AnnaBridge 156:ff21514d8981 542
AnnaBridge 156:ff21514d8981 543 /**
AnnaBridge 156:ff21514d8981 544 * @brief Clips Q31 to Q7 values.
AnnaBridge 156:ff21514d8981 545 */
AnnaBridge 156:ff21514d8981 546 CMSIS_INLINE __STATIC_INLINE q7_t clip_q31_to_q7(
AnnaBridge 156:ff21514d8981 547 q31_t x)
AnnaBridge 156:ff21514d8981 548 {
AnnaBridge 156:ff21514d8981 549 return ((q31_t) (x >> 24) != ((q31_t) x >> 23)) ?
AnnaBridge 156:ff21514d8981 550 ((0x7F ^ ((q7_t) (x >> 31)))) : (q7_t) x;
AnnaBridge 156:ff21514d8981 551 }
AnnaBridge 156:ff21514d8981 552
AnnaBridge 156:ff21514d8981 553 /**
AnnaBridge 156:ff21514d8981 554 * @brief Clips Q31 to Q15 values.
AnnaBridge 156:ff21514d8981 555 */
AnnaBridge 156:ff21514d8981 556 CMSIS_INLINE __STATIC_INLINE q15_t clip_q31_to_q15(
AnnaBridge 156:ff21514d8981 557 q31_t x)
AnnaBridge 156:ff21514d8981 558 {
AnnaBridge 156:ff21514d8981 559 return ((q31_t) (x >> 16) != ((q31_t) x >> 15)) ?
AnnaBridge 156:ff21514d8981 560 ((0x7FFF ^ ((q15_t) (x >> 31)))) : (q15_t) x;
AnnaBridge 156:ff21514d8981 561 }
AnnaBridge 156:ff21514d8981 562
AnnaBridge 156:ff21514d8981 563 /**
AnnaBridge 156:ff21514d8981 564 * @brief Multiplies 32 X 64 and returns 32 bit result in 2.30 format.
AnnaBridge 156:ff21514d8981 565 */
AnnaBridge 156:ff21514d8981 566
AnnaBridge 156:ff21514d8981 567 CMSIS_INLINE __STATIC_INLINE q63_t mult32x64(
AnnaBridge 156:ff21514d8981 568 q63_t x,
AnnaBridge 156:ff21514d8981 569 q31_t y)
AnnaBridge 156:ff21514d8981 570 {
AnnaBridge 156:ff21514d8981 571 return ((((q63_t) (x & 0x00000000FFFFFFFF) * y) >> 32) +
AnnaBridge 156:ff21514d8981 572 (((q63_t) (x >> 32) * y)));
AnnaBridge 156:ff21514d8981 573 }
AnnaBridge 156:ff21514d8981 574
AnnaBridge 156:ff21514d8981 575 /*
AnnaBridge 156:ff21514d8981 576 #if defined (ARM_MATH_CM0_FAMILY) && defined ( __CC_ARM )
AnnaBridge 156:ff21514d8981 577 #define __CLZ __clz
AnnaBridge 156:ff21514d8981 578 #endif
AnnaBridge 156:ff21514d8981 579 */
AnnaBridge 156:ff21514d8981 580 /* note: function can be removed when all toolchain support __CLZ for Cortex-M0 */
AnnaBridge 156:ff21514d8981 581 #if defined (ARM_MATH_CM0_FAMILY) && ((defined (__ICCARM__)) )
AnnaBridge 156:ff21514d8981 582 CMSIS_INLINE __STATIC_INLINE uint32_t __CLZ(
AnnaBridge 156:ff21514d8981 583 q31_t data);
AnnaBridge 156:ff21514d8981 584
AnnaBridge 156:ff21514d8981 585 CMSIS_INLINE __STATIC_INLINE uint32_t __CLZ(
AnnaBridge 156:ff21514d8981 586 q31_t data)
AnnaBridge 156:ff21514d8981 587 {
AnnaBridge 156:ff21514d8981 588 uint32_t count = 0;
AnnaBridge 156:ff21514d8981 589 uint32_t mask = 0x80000000;
AnnaBridge 156:ff21514d8981 590
AnnaBridge 156:ff21514d8981 591 while ((data & mask) == 0)
AnnaBridge 156:ff21514d8981 592 {
AnnaBridge 156:ff21514d8981 593 count += 1u;
AnnaBridge 156:ff21514d8981 594 mask = mask >> 1u;
AnnaBridge 156:ff21514d8981 595 }
AnnaBridge 156:ff21514d8981 596
AnnaBridge 156:ff21514d8981 597 return (count);
AnnaBridge 156:ff21514d8981 598 }
AnnaBridge 156:ff21514d8981 599 #endif
AnnaBridge 156:ff21514d8981 600
AnnaBridge 156:ff21514d8981 601 /**
AnnaBridge 156:ff21514d8981 602 * @brief Function to Calculates 1/in (reciprocal) value of Q31 Data type.
AnnaBridge 156:ff21514d8981 603 */
AnnaBridge 156:ff21514d8981 604
AnnaBridge 156:ff21514d8981 605 CMSIS_INLINE __STATIC_INLINE uint32_t arm_recip_q31(
AnnaBridge 156:ff21514d8981 606 q31_t in,
AnnaBridge 156:ff21514d8981 607 q31_t * dst,
AnnaBridge 156:ff21514d8981 608 q31_t * pRecipTable)
AnnaBridge 156:ff21514d8981 609 {
AnnaBridge 156:ff21514d8981 610 q31_t out;
AnnaBridge 156:ff21514d8981 611 uint32_t tempVal;
AnnaBridge 156:ff21514d8981 612 uint32_t index, i;
AnnaBridge 156:ff21514d8981 613 uint32_t signBits;
AnnaBridge 156:ff21514d8981 614
AnnaBridge 156:ff21514d8981 615 if (in > 0)
AnnaBridge 156:ff21514d8981 616 {
AnnaBridge 156:ff21514d8981 617 signBits = ((uint32_t) (__CLZ( in) - 1));
AnnaBridge 156:ff21514d8981 618 }
AnnaBridge 156:ff21514d8981 619 else
AnnaBridge 156:ff21514d8981 620 {
AnnaBridge 156:ff21514d8981 621 signBits = ((uint32_t) (__CLZ(-in) - 1));
AnnaBridge 156:ff21514d8981 622 }
AnnaBridge 156:ff21514d8981 623
AnnaBridge 156:ff21514d8981 624 /* Convert input sample to 1.31 format */
AnnaBridge 156:ff21514d8981 625 in = (in << signBits);
AnnaBridge 156:ff21514d8981 626
AnnaBridge 156:ff21514d8981 627 /* calculation of index for initial approximated Val */
AnnaBridge 156:ff21514d8981 628 index = (uint32_t)(in >> 24);
AnnaBridge 156:ff21514d8981 629 index = (index & INDEX_MASK);
AnnaBridge 156:ff21514d8981 630
AnnaBridge 156:ff21514d8981 631 /* 1.31 with exp 1 */
AnnaBridge 156:ff21514d8981 632 out = pRecipTable[index];
AnnaBridge 156:ff21514d8981 633
AnnaBridge 156:ff21514d8981 634 /* calculation of reciprocal value */
AnnaBridge 156:ff21514d8981 635 /* running approximation for two iterations */
AnnaBridge 156:ff21514d8981 636 for (i = 0u; i < 2u; i++)
AnnaBridge 156:ff21514d8981 637 {
AnnaBridge 156:ff21514d8981 638 tempVal = (uint32_t) (((q63_t) in * out) >> 31);
AnnaBridge 156:ff21514d8981 639 tempVal = 0x7FFFFFFFu - tempVal;
AnnaBridge 156:ff21514d8981 640 /* 1.31 with exp 1 */
AnnaBridge 156:ff21514d8981 641 /* out = (q31_t) (((q63_t) out * tempVal) >> 30); */
AnnaBridge 156:ff21514d8981 642 out = clip_q63_to_q31(((q63_t) out * tempVal) >> 30);
AnnaBridge 156:ff21514d8981 643 }
AnnaBridge 156:ff21514d8981 644
AnnaBridge 156:ff21514d8981 645 /* write output */
AnnaBridge 156:ff21514d8981 646 *dst = out;
AnnaBridge 156:ff21514d8981 647
AnnaBridge 156:ff21514d8981 648 /* return num of signbits of out = 1/in value */
AnnaBridge 156:ff21514d8981 649 return (signBits + 1u);
AnnaBridge 156:ff21514d8981 650 }
AnnaBridge 156:ff21514d8981 651
AnnaBridge 156:ff21514d8981 652
AnnaBridge 156:ff21514d8981 653 /**
AnnaBridge 156:ff21514d8981 654 * @brief Function to Calculates 1/in (reciprocal) value of Q15 Data type.
AnnaBridge 156:ff21514d8981 655 */
AnnaBridge 156:ff21514d8981 656 CMSIS_INLINE __STATIC_INLINE uint32_t arm_recip_q15(
AnnaBridge 156:ff21514d8981 657 q15_t in,
AnnaBridge 156:ff21514d8981 658 q15_t * dst,
AnnaBridge 156:ff21514d8981 659 q15_t * pRecipTable)
AnnaBridge 156:ff21514d8981 660 {
AnnaBridge 156:ff21514d8981 661 q15_t out = 0;
AnnaBridge 156:ff21514d8981 662 uint32_t tempVal = 0;
AnnaBridge 156:ff21514d8981 663 uint32_t index = 0, i = 0;
AnnaBridge 156:ff21514d8981 664 uint32_t signBits = 0;
AnnaBridge 156:ff21514d8981 665
AnnaBridge 156:ff21514d8981 666 if (in > 0)
AnnaBridge 156:ff21514d8981 667 {
AnnaBridge 156:ff21514d8981 668 signBits = ((uint32_t)(__CLZ( in) - 17));
AnnaBridge 156:ff21514d8981 669 }
AnnaBridge 156:ff21514d8981 670 else
AnnaBridge 156:ff21514d8981 671 {
AnnaBridge 156:ff21514d8981 672 signBits = ((uint32_t)(__CLZ(-in) - 17));
AnnaBridge 156:ff21514d8981 673 }
AnnaBridge 156:ff21514d8981 674
AnnaBridge 156:ff21514d8981 675 /* Convert input sample to 1.15 format */
AnnaBridge 156:ff21514d8981 676 in = (in << signBits);
AnnaBridge 156:ff21514d8981 677
AnnaBridge 156:ff21514d8981 678 /* calculation of index for initial approximated Val */
AnnaBridge 156:ff21514d8981 679 index = (uint32_t)(in >> 8);
AnnaBridge 156:ff21514d8981 680 index = (index & INDEX_MASK);
AnnaBridge 156:ff21514d8981 681
AnnaBridge 156:ff21514d8981 682 /* 1.15 with exp 1 */
AnnaBridge 156:ff21514d8981 683 out = pRecipTable[index];
AnnaBridge 156:ff21514d8981 684
AnnaBridge 156:ff21514d8981 685 /* calculation of reciprocal value */
AnnaBridge 156:ff21514d8981 686 /* running approximation for two iterations */
AnnaBridge 156:ff21514d8981 687 for (i = 0u; i < 2u; i++)
AnnaBridge 156:ff21514d8981 688 {
AnnaBridge 156:ff21514d8981 689 tempVal = (uint32_t) (((q31_t) in * out) >> 15);
AnnaBridge 156:ff21514d8981 690 tempVal = 0x7FFFu - tempVal;
AnnaBridge 156:ff21514d8981 691 /* 1.15 with exp 1 */
AnnaBridge 156:ff21514d8981 692 out = (q15_t) (((q31_t) out * tempVal) >> 14);
AnnaBridge 156:ff21514d8981 693 /* out = clip_q31_to_q15(((q31_t) out * tempVal) >> 14); */
AnnaBridge 156:ff21514d8981 694 }
AnnaBridge 156:ff21514d8981 695
AnnaBridge 156:ff21514d8981 696 /* write output */
AnnaBridge 156:ff21514d8981 697 *dst = out;
AnnaBridge 156:ff21514d8981 698
AnnaBridge 156:ff21514d8981 699 /* return num of signbits of out = 1/in value */
AnnaBridge 156:ff21514d8981 700 return (signBits + 1);
AnnaBridge 156:ff21514d8981 701 }
AnnaBridge 156:ff21514d8981 702
AnnaBridge 156:ff21514d8981 703
AnnaBridge 156:ff21514d8981 704 /*
AnnaBridge 156:ff21514d8981 705 * @brief C custom defined intrinisic function for only M0 processors
AnnaBridge 156:ff21514d8981 706 */
AnnaBridge 156:ff21514d8981 707 #if defined(ARM_MATH_CM0_FAMILY)
AnnaBridge 156:ff21514d8981 708 CMSIS_INLINE __STATIC_INLINE q31_t __SSAT(
AnnaBridge 156:ff21514d8981 709 q31_t x,
AnnaBridge 156:ff21514d8981 710 uint32_t y)
AnnaBridge 156:ff21514d8981 711 {
AnnaBridge 156:ff21514d8981 712 int32_t posMax, negMin;
AnnaBridge 156:ff21514d8981 713 uint32_t i;
AnnaBridge 156:ff21514d8981 714
AnnaBridge 156:ff21514d8981 715 posMax = 1;
AnnaBridge 156:ff21514d8981 716 for (i = 0; i < (y - 1); i++)
AnnaBridge 156:ff21514d8981 717 {
AnnaBridge 156:ff21514d8981 718 posMax = posMax * 2;
AnnaBridge 156:ff21514d8981 719 }
AnnaBridge 156:ff21514d8981 720
AnnaBridge 156:ff21514d8981 721 if (x > 0)
AnnaBridge 156:ff21514d8981 722 {
AnnaBridge 156:ff21514d8981 723 posMax = (posMax - 1);
AnnaBridge 156:ff21514d8981 724
AnnaBridge 156:ff21514d8981 725 if (x > posMax)
AnnaBridge 156:ff21514d8981 726 {
AnnaBridge 156:ff21514d8981 727 x = posMax;
AnnaBridge 156:ff21514d8981 728 }
AnnaBridge 156:ff21514d8981 729 }
AnnaBridge 156:ff21514d8981 730 else
AnnaBridge 156:ff21514d8981 731 {
AnnaBridge 156:ff21514d8981 732 negMin = -posMax;
AnnaBridge 156:ff21514d8981 733
AnnaBridge 156:ff21514d8981 734 if (x < negMin)
AnnaBridge 156:ff21514d8981 735 {
AnnaBridge 156:ff21514d8981 736 x = negMin;
AnnaBridge 156:ff21514d8981 737 }
AnnaBridge 156:ff21514d8981 738 }
AnnaBridge 156:ff21514d8981 739 return (x);
AnnaBridge 156:ff21514d8981 740 }
AnnaBridge 156:ff21514d8981 741 #endif /* end of ARM_MATH_CM0_FAMILY */
AnnaBridge 156:ff21514d8981 742
AnnaBridge 156:ff21514d8981 743
AnnaBridge 156:ff21514d8981 744 /*
AnnaBridge 156:ff21514d8981 745 * @brief C custom defined intrinsic function for M3 and M0 processors
AnnaBridge 156:ff21514d8981 746 */
AnnaBridge 156:ff21514d8981 747 /* #if defined (ARM_MATH_CM3) || defined (ARM_MATH_CM0_FAMILY) */
AnnaBridge 156:ff21514d8981 748 #if !defined (ARM_MATH_DSP)
AnnaBridge 156:ff21514d8981 749
AnnaBridge 156:ff21514d8981 750 /*
AnnaBridge 156:ff21514d8981 751 * @brief C custom defined QADD8 for M3 and M0 processors
AnnaBridge 156:ff21514d8981 752 */
AnnaBridge 156:ff21514d8981 753 CMSIS_INLINE __STATIC_INLINE uint32_t __QADD8(
AnnaBridge 156:ff21514d8981 754 uint32_t x,
AnnaBridge 156:ff21514d8981 755 uint32_t y)
AnnaBridge 156:ff21514d8981 756 {
AnnaBridge 156:ff21514d8981 757 q31_t r, s, t, u;
AnnaBridge 156:ff21514d8981 758
AnnaBridge 156:ff21514d8981 759 r = __SSAT(((((q31_t)x << 24) >> 24) + (((q31_t)y << 24) >> 24)), 8) & (int32_t)0x000000FF;
AnnaBridge 156:ff21514d8981 760 s = __SSAT(((((q31_t)x << 16) >> 24) + (((q31_t)y << 16) >> 24)), 8) & (int32_t)0x000000FF;
AnnaBridge 156:ff21514d8981 761 t = __SSAT(((((q31_t)x << 8) >> 24) + (((q31_t)y << 8) >> 24)), 8) & (int32_t)0x000000FF;
AnnaBridge 156:ff21514d8981 762 u = __SSAT(((((q31_t)x ) >> 24) + (((q31_t)y ) >> 24)), 8) & (int32_t)0x000000FF;
AnnaBridge 156:ff21514d8981 763
AnnaBridge 156:ff21514d8981 764 return ((uint32_t)((u << 24) | (t << 16) | (s << 8) | (r )));
AnnaBridge 156:ff21514d8981 765 }
AnnaBridge 156:ff21514d8981 766
AnnaBridge 156:ff21514d8981 767
AnnaBridge 156:ff21514d8981 768 /*
AnnaBridge 156:ff21514d8981 769 * @brief C custom defined QSUB8 for M3 and M0 processors
AnnaBridge 156:ff21514d8981 770 */
AnnaBridge 156:ff21514d8981 771 CMSIS_INLINE __STATIC_INLINE uint32_t __QSUB8(
AnnaBridge 156:ff21514d8981 772 uint32_t x,
AnnaBridge 156:ff21514d8981 773 uint32_t y)
AnnaBridge 156:ff21514d8981 774 {
AnnaBridge 156:ff21514d8981 775 q31_t r, s, t, u;
AnnaBridge 156:ff21514d8981 776
AnnaBridge 156:ff21514d8981 777 r = __SSAT(((((q31_t)x << 24) >> 24) - (((q31_t)y << 24) >> 24)), 8) & (int32_t)0x000000FF;
AnnaBridge 156:ff21514d8981 778 s = __SSAT(((((q31_t)x << 16) >> 24) - (((q31_t)y << 16) >> 24)), 8) & (int32_t)0x000000FF;
AnnaBridge 156:ff21514d8981 779 t = __SSAT(((((q31_t)x << 8) >> 24) - (((q31_t)y << 8) >> 24)), 8) & (int32_t)0x000000FF;
AnnaBridge 156:ff21514d8981 780 u = __SSAT(((((q31_t)x ) >> 24) - (((q31_t)y ) >> 24)), 8) & (int32_t)0x000000FF;
AnnaBridge 156:ff21514d8981 781
AnnaBridge 156:ff21514d8981 782 return ((uint32_t)((u << 24) | (t << 16) | (s << 8) | (r )));
AnnaBridge 156:ff21514d8981 783 }
AnnaBridge 156:ff21514d8981 784
AnnaBridge 156:ff21514d8981 785
AnnaBridge 156:ff21514d8981 786 /*
AnnaBridge 156:ff21514d8981 787 * @brief C custom defined QADD16 for M3 and M0 processors
AnnaBridge 156:ff21514d8981 788 */
AnnaBridge 156:ff21514d8981 789 CMSIS_INLINE __STATIC_INLINE uint32_t __QADD16(
AnnaBridge 156:ff21514d8981 790 uint32_t x,
AnnaBridge 156:ff21514d8981 791 uint32_t y)
AnnaBridge 156:ff21514d8981 792 {
AnnaBridge 156:ff21514d8981 793 /* q31_t r, s; without initialisation 'arm_offset_q15 test' fails but 'intrinsic' tests pass! for armCC */
AnnaBridge 156:ff21514d8981 794 q31_t r = 0, s = 0;
AnnaBridge 156:ff21514d8981 795
AnnaBridge 156:ff21514d8981 796 r = __SSAT(((((q31_t)x << 16) >> 16) + (((q31_t)y << 16) >> 16)), 16) & (int32_t)0x0000FFFF;
AnnaBridge 156:ff21514d8981 797 s = __SSAT(((((q31_t)x ) >> 16) + (((q31_t)y ) >> 16)), 16) & (int32_t)0x0000FFFF;
AnnaBridge 156:ff21514d8981 798
AnnaBridge 156:ff21514d8981 799 return ((uint32_t)((s << 16) | (r )));
AnnaBridge 156:ff21514d8981 800 }
AnnaBridge 156:ff21514d8981 801
AnnaBridge 156:ff21514d8981 802
AnnaBridge 156:ff21514d8981 803 /*
AnnaBridge 156:ff21514d8981 804 * @brief C custom defined SHADD16 for M3 and M0 processors
AnnaBridge 156:ff21514d8981 805 */
AnnaBridge 156:ff21514d8981 806 CMSIS_INLINE __STATIC_INLINE uint32_t __SHADD16(
AnnaBridge 156:ff21514d8981 807 uint32_t x,
AnnaBridge 156:ff21514d8981 808 uint32_t y)
AnnaBridge 156:ff21514d8981 809 {
AnnaBridge 156:ff21514d8981 810 q31_t r, s;
AnnaBridge 156:ff21514d8981 811
AnnaBridge 156:ff21514d8981 812 r = (((((q31_t)x << 16) >> 16) + (((q31_t)y << 16) >> 16)) >> 1) & (int32_t)0x0000FFFF;
AnnaBridge 156:ff21514d8981 813 s = (((((q31_t)x ) >> 16) + (((q31_t)y ) >> 16)) >> 1) & (int32_t)0x0000FFFF;
AnnaBridge 156:ff21514d8981 814
AnnaBridge 156:ff21514d8981 815 return ((uint32_t)((s << 16) | (r )));
AnnaBridge 156:ff21514d8981 816 }
AnnaBridge 156:ff21514d8981 817
AnnaBridge 156:ff21514d8981 818
AnnaBridge 156:ff21514d8981 819 /*
AnnaBridge 156:ff21514d8981 820 * @brief C custom defined QSUB16 for M3 and M0 processors
AnnaBridge 156:ff21514d8981 821 */
AnnaBridge 156:ff21514d8981 822 CMSIS_INLINE __STATIC_INLINE uint32_t __QSUB16(
AnnaBridge 156:ff21514d8981 823 uint32_t x,
AnnaBridge 156:ff21514d8981 824 uint32_t y)
AnnaBridge 156:ff21514d8981 825 {
AnnaBridge 156:ff21514d8981 826 q31_t r, s;
AnnaBridge 156:ff21514d8981 827
AnnaBridge 156:ff21514d8981 828 r = __SSAT(((((q31_t)x << 16) >> 16) - (((q31_t)y << 16) >> 16)), 16) & (int32_t)0x0000FFFF;
AnnaBridge 156:ff21514d8981 829 s = __SSAT(((((q31_t)x ) >> 16) - (((q31_t)y ) >> 16)), 16) & (int32_t)0x0000FFFF;
AnnaBridge 156:ff21514d8981 830
AnnaBridge 156:ff21514d8981 831 return ((uint32_t)((s << 16) | (r )));
AnnaBridge 156:ff21514d8981 832 }
AnnaBridge 156:ff21514d8981 833
AnnaBridge 156:ff21514d8981 834
AnnaBridge 156:ff21514d8981 835 /*
AnnaBridge 156:ff21514d8981 836 * @brief C custom defined SHSUB16 for M3 and M0 processors
AnnaBridge 156:ff21514d8981 837 */
AnnaBridge 156:ff21514d8981 838 CMSIS_INLINE __STATIC_INLINE uint32_t __SHSUB16(
AnnaBridge 156:ff21514d8981 839 uint32_t x,
AnnaBridge 156:ff21514d8981 840 uint32_t y)
AnnaBridge 156:ff21514d8981 841 {
AnnaBridge 156:ff21514d8981 842 q31_t r, s;
AnnaBridge 156:ff21514d8981 843
AnnaBridge 156:ff21514d8981 844 r = (((((q31_t)x << 16) >> 16) - (((q31_t)y << 16) >> 16)) >> 1) & (int32_t)0x0000FFFF;
AnnaBridge 156:ff21514d8981 845 s = (((((q31_t)x ) >> 16) - (((q31_t)y ) >> 16)) >> 1) & (int32_t)0x0000FFFF;
AnnaBridge 156:ff21514d8981 846
AnnaBridge 156:ff21514d8981 847 return ((uint32_t)((s << 16) | (r )));
AnnaBridge 156:ff21514d8981 848 }
AnnaBridge 156:ff21514d8981 849
AnnaBridge 156:ff21514d8981 850
AnnaBridge 156:ff21514d8981 851 /*
AnnaBridge 156:ff21514d8981 852 * @brief C custom defined QASX for M3 and M0 processors
AnnaBridge 156:ff21514d8981 853 */
AnnaBridge 156:ff21514d8981 854 CMSIS_INLINE __STATIC_INLINE uint32_t __QASX(
AnnaBridge 156:ff21514d8981 855 uint32_t x,
AnnaBridge 156:ff21514d8981 856 uint32_t y)
AnnaBridge 156:ff21514d8981 857 {
AnnaBridge 156:ff21514d8981 858 q31_t r, s;
AnnaBridge 156:ff21514d8981 859
AnnaBridge 156:ff21514d8981 860 r = __SSAT(((((q31_t)x << 16) >> 16) - (((q31_t)y ) >> 16)), 16) & (int32_t)0x0000FFFF;
AnnaBridge 156:ff21514d8981 861 s = __SSAT(((((q31_t)x ) >> 16) + (((q31_t)y << 16) >> 16)), 16) & (int32_t)0x0000FFFF;
AnnaBridge 156:ff21514d8981 862
AnnaBridge 156:ff21514d8981 863 return ((uint32_t)((s << 16) | (r )));
AnnaBridge 156:ff21514d8981 864 }
AnnaBridge 156:ff21514d8981 865
AnnaBridge 156:ff21514d8981 866
AnnaBridge 156:ff21514d8981 867 /*
AnnaBridge 156:ff21514d8981 868 * @brief C custom defined SHASX for M3 and M0 processors
AnnaBridge 156:ff21514d8981 869 */
AnnaBridge 156:ff21514d8981 870 CMSIS_INLINE __STATIC_INLINE uint32_t __SHASX(
AnnaBridge 156:ff21514d8981 871 uint32_t x,
AnnaBridge 156:ff21514d8981 872 uint32_t y)
AnnaBridge 156:ff21514d8981 873 {
AnnaBridge 156:ff21514d8981 874 q31_t r, s;
AnnaBridge 156:ff21514d8981 875
AnnaBridge 156:ff21514d8981 876 r = (((((q31_t)x << 16) >> 16) - (((q31_t)y ) >> 16)) >> 1) & (int32_t)0x0000FFFF;
AnnaBridge 156:ff21514d8981 877 s = (((((q31_t)x ) >> 16) + (((q31_t)y << 16) >> 16)) >> 1) & (int32_t)0x0000FFFF;
AnnaBridge 156:ff21514d8981 878
AnnaBridge 156:ff21514d8981 879 return ((uint32_t)((s << 16) | (r )));
AnnaBridge 156:ff21514d8981 880 }
AnnaBridge 156:ff21514d8981 881
AnnaBridge 156:ff21514d8981 882
AnnaBridge 156:ff21514d8981 883 /*
AnnaBridge 156:ff21514d8981 884 * @brief C custom defined QSAX for M3 and M0 processors
AnnaBridge 156:ff21514d8981 885 */
AnnaBridge 156:ff21514d8981 886 CMSIS_INLINE __STATIC_INLINE uint32_t __QSAX(
AnnaBridge 156:ff21514d8981 887 uint32_t x,
AnnaBridge 156:ff21514d8981 888 uint32_t y)
AnnaBridge 156:ff21514d8981 889 {
AnnaBridge 156:ff21514d8981 890 q31_t r, s;
AnnaBridge 156:ff21514d8981 891
AnnaBridge 156:ff21514d8981 892 r = __SSAT(((((q31_t)x << 16) >> 16) + (((q31_t)y ) >> 16)), 16) & (int32_t)0x0000FFFF;
AnnaBridge 156:ff21514d8981 893 s = __SSAT(((((q31_t)x ) >> 16) - (((q31_t)y << 16) >> 16)), 16) & (int32_t)0x0000FFFF;
AnnaBridge 156:ff21514d8981 894
AnnaBridge 156:ff21514d8981 895 return ((uint32_t)((s << 16) | (r )));
AnnaBridge 156:ff21514d8981 896 }
AnnaBridge 156:ff21514d8981 897
AnnaBridge 156:ff21514d8981 898
AnnaBridge 156:ff21514d8981 899 /*
AnnaBridge 156:ff21514d8981 900 * @brief C custom defined SHSAX for M3 and M0 processors
AnnaBridge 156:ff21514d8981 901 */
AnnaBridge 156:ff21514d8981 902 CMSIS_INLINE __STATIC_INLINE uint32_t __SHSAX(
AnnaBridge 156:ff21514d8981 903 uint32_t x,
AnnaBridge 156:ff21514d8981 904 uint32_t y)
AnnaBridge 156:ff21514d8981 905 {
AnnaBridge 156:ff21514d8981 906 q31_t r, s;
AnnaBridge 156:ff21514d8981 907
AnnaBridge 156:ff21514d8981 908 r = (((((q31_t)x << 16) >> 16) + (((q31_t)y ) >> 16)) >> 1) & (int32_t)0x0000FFFF;
AnnaBridge 156:ff21514d8981 909 s = (((((q31_t)x ) >> 16) - (((q31_t)y << 16) >> 16)) >> 1) & (int32_t)0x0000FFFF;
AnnaBridge 156:ff21514d8981 910
AnnaBridge 156:ff21514d8981 911 return ((uint32_t)((s << 16) | (r )));
AnnaBridge 156:ff21514d8981 912 }
AnnaBridge 156:ff21514d8981 913
AnnaBridge 156:ff21514d8981 914
AnnaBridge 156:ff21514d8981 915 /*
AnnaBridge 156:ff21514d8981 916 * @brief C custom defined SMUSDX for M3 and M0 processors
AnnaBridge 156:ff21514d8981 917 */
AnnaBridge 156:ff21514d8981 918 CMSIS_INLINE __STATIC_INLINE uint32_t __SMUSDX(
AnnaBridge 156:ff21514d8981 919 uint32_t x,
AnnaBridge 156:ff21514d8981 920 uint32_t y)
AnnaBridge 156:ff21514d8981 921 {
AnnaBridge 156:ff21514d8981 922 return ((uint32_t)(((((q31_t)x << 16) >> 16) * (((q31_t)y ) >> 16)) -
AnnaBridge 156:ff21514d8981 923 ((((q31_t)x ) >> 16) * (((q31_t)y << 16) >> 16)) ));
AnnaBridge 156:ff21514d8981 924 }
AnnaBridge 156:ff21514d8981 925
AnnaBridge 156:ff21514d8981 926 /*
AnnaBridge 156:ff21514d8981 927 * @brief C custom defined SMUADX for M3 and M0 processors
AnnaBridge 156:ff21514d8981 928 */
AnnaBridge 156:ff21514d8981 929 CMSIS_INLINE __STATIC_INLINE uint32_t __SMUADX(
AnnaBridge 156:ff21514d8981 930 uint32_t x,
AnnaBridge 156:ff21514d8981 931 uint32_t y)
AnnaBridge 156:ff21514d8981 932 {
AnnaBridge 156:ff21514d8981 933 return ((uint32_t)(((((q31_t)x << 16) >> 16) * (((q31_t)y ) >> 16)) +
AnnaBridge 156:ff21514d8981 934 ((((q31_t)x ) >> 16) * (((q31_t)y << 16) >> 16)) ));
AnnaBridge 156:ff21514d8981 935 }
AnnaBridge 156:ff21514d8981 936
AnnaBridge 156:ff21514d8981 937
AnnaBridge 156:ff21514d8981 938 /*
AnnaBridge 156:ff21514d8981 939 * @brief C custom defined QADD for M3 and M0 processors
AnnaBridge 156:ff21514d8981 940 */
AnnaBridge 156:ff21514d8981 941 CMSIS_INLINE __STATIC_INLINE int32_t __QADD(
AnnaBridge 156:ff21514d8981 942 int32_t x,
AnnaBridge 156:ff21514d8981 943 int32_t y)
AnnaBridge 156:ff21514d8981 944 {
AnnaBridge 156:ff21514d8981 945 return ((int32_t)(clip_q63_to_q31((q63_t)x + (q31_t)y)));
AnnaBridge 156:ff21514d8981 946 }
AnnaBridge 156:ff21514d8981 947
AnnaBridge 156:ff21514d8981 948
AnnaBridge 156:ff21514d8981 949 /*
AnnaBridge 156:ff21514d8981 950 * @brief C custom defined QSUB for M3 and M0 processors
AnnaBridge 156:ff21514d8981 951 */
AnnaBridge 156:ff21514d8981 952 CMSIS_INLINE __STATIC_INLINE int32_t __QSUB(
AnnaBridge 156:ff21514d8981 953 int32_t x,
AnnaBridge 156:ff21514d8981 954 int32_t y)
AnnaBridge 156:ff21514d8981 955 {
AnnaBridge 156:ff21514d8981 956 return ((int32_t)(clip_q63_to_q31((q63_t)x - (q31_t)y)));
AnnaBridge 156:ff21514d8981 957 }
AnnaBridge 156:ff21514d8981 958
AnnaBridge 156:ff21514d8981 959
AnnaBridge 156:ff21514d8981 960 /*
AnnaBridge 156:ff21514d8981 961 * @brief C custom defined SMLAD for M3 and M0 processors
AnnaBridge 156:ff21514d8981 962 */
AnnaBridge 156:ff21514d8981 963 CMSIS_INLINE __STATIC_INLINE uint32_t __SMLAD(
AnnaBridge 156:ff21514d8981 964 uint32_t x,
AnnaBridge 156:ff21514d8981 965 uint32_t y,
AnnaBridge 156:ff21514d8981 966 uint32_t sum)
AnnaBridge 156:ff21514d8981 967 {
AnnaBridge 156:ff21514d8981 968 return ((uint32_t)(((((q31_t)x << 16) >> 16) * (((q31_t)y << 16) >> 16)) +
AnnaBridge 156:ff21514d8981 969 ((((q31_t)x ) >> 16) * (((q31_t)y ) >> 16)) +
AnnaBridge 156:ff21514d8981 970 ( ((q31_t)sum ) ) ));
AnnaBridge 156:ff21514d8981 971 }
AnnaBridge 156:ff21514d8981 972
AnnaBridge 156:ff21514d8981 973
AnnaBridge 156:ff21514d8981 974 /*
AnnaBridge 156:ff21514d8981 975 * @brief C custom defined SMLADX for M3 and M0 processors
AnnaBridge 156:ff21514d8981 976 */
AnnaBridge 156:ff21514d8981 977 CMSIS_INLINE __STATIC_INLINE uint32_t __SMLADX(
AnnaBridge 156:ff21514d8981 978 uint32_t x,
AnnaBridge 156:ff21514d8981 979 uint32_t y,
AnnaBridge 156:ff21514d8981 980 uint32_t sum)
AnnaBridge 156:ff21514d8981 981 {
AnnaBridge 156:ff21514d8981 982 return ((uint32_t)(((((q31_t)x << 16) >> 16) * (((q31_t)y ) >> 16)) +
AnnaBridge 156:ff21514d8981 983 ((((q31_t)x ) >> 16) * (((q31_t)y << 16) >> 16)) +
AnnaBridge 156:ff21514d8981 984 ( ((q31_t)sum ) ) ));
AnnaBridge 156:ff21514d8981 985 }
AnnaBridge 156:ff21514d8981 986
AnnaBridge 156:ff21514d8981 987
AnnaBridge 156:ff21514d8981 988 /*
AnnaBridge 156:ff21514d8981 989 * @brief C custom defined SMLSDX for M3 and M0 processors
AnnaBridge 156:ff21514d8981 990 */
AnnaBridge 156:ff21514d8981 991 CMSIS_INLINE __STATIC_INLINE uint32_t __SMLSDX(
AnnaBridge 156:ff21514d8981 992 uint32_t x,
AnnaBridge 156:ff21514d8981 993 uint32_t y,
AnnaBridge 156:ff21514d8981 994 uint32_t sum)
AnnaBridge 156:ff21514d8981 995 {
AnnaBridge 156:ff21514d8981 996 return ((uint32_t)(((((q31_t)x << 16) >> 16) * (((q31_t)y ) >> 16)) -
AnnaBridge 156:ff21514d8981 997 ((((q31_t)x ) >> 16) * (((q31_t)y << 16) >> 16)) +
AnnaBridge 156:ff21514d8981 998 ( ((q31_t)sum ) ) ));
AnnaBridge 156:ff21514d8981 999 }
AnnaBridge 156:ff21514d8981 1000
AnnaBridge 156:ff21514d8981 1001
AnnaBridge 156:ff21514d8981 1002 /*
AnnaBridge 156:ff21514d8981 1003 * @brief C custom defined SMLALD for M3 and M0 processors
AnnaBridge 156:ff21514d8981 1004 */
AnnaBridge 156:ff21514d8981 1005 CMSIS_INLINE __STATIC_INLINE uint64_t __SMLALD(
AnnaBridge 156:ff21514d8981 1006 uint32_t x,
AnnaBridge 156:ff21514d8981 1007 uint32_t y,
AnnaBridge 156:ff21514d8981 1008 uint64_t sum)
AnnaBridge 156:ff21514d8981 1009 {
AnnaBridge 156:ff21514d8981 1010 /* return (sum + ((q15_t) (x >> 16) * (q15_t) (y >> 16)) + ((q15_t) x * (q15_t) y)); */
AnnaBridge 156:ff21514d8981 1011 return ((uint64_t)(((((q31_t)x << 16) >> 16) * (((q31_t)y << 16) >> 16)) +
AnnaBridge 156:ff21514d8981 1012 ((((q31_t)x ) >> 16) * (((q31_t)y ) >> 16)) +
AnnaBridge 156:ff21514d8981 1013 ( ((q63_t)sum ) ) ));
AnnaBridge 156:ff21514d8981 1014 }
AnnaBridge 156:ff21514d8981 1015
AnnaBridge 156:ff21514d8981 1016
AnnaBridge 156:ff21514d8981 1017 /*
AnnaBridge 156:ff21514d8981 1018 * @brief C custom defined SMLALDX for M3 and M0 processors
AnnaBridge 156:ff21514d8981 1019 */
AnnaBridge 156:ff21514d8981 1020 CMSIS_INLINE __STATIC_INLINE uint64_t __SMLALDX(
AnnaBridge 156:ff21514d8981 1021 uint32_t x,
AnnaBridge 156:ff21514d8981 1022 uint32_t y,
AnnaBridge 156:ff21514d8981 1023 uint64_t sum)
AnnaBridge 156:ff21514d8981 1024 {
AnnaBridge 156:ff21514d8981 1025 /* return (sum + ((q15_t) (x >> 16) * (q15_t) y)) + ((q15_t) x * (q15_t) (y >> 16)); */
AnnaBridge 156:ff21514d8981 1026 return ((uint64_t)(((((q31_t)x << 16) >> 16) * (((q31_t)y ) >> 16)) +
AnnaBridge 156:ff21514d8981 1027 ((((q31_t)x ) >> 16) * (((q31_t)y << 16) >> 16)) +
AnnaBridge 156:ff21514d8981 1028 ( ((q63_t)sum ) ) ));
AnnaBridge 156:ff21514d8981 1029 }
AnnaBridge 156:ff21514d8981 1030
AnnaBridge 156:ff21514d8981 1031
AnnaBridge 156:ff21514d8981 1032 /*
AnnaBridge 156:ff21514d8981 1033 * @brief C custom defined SMUAD for M3 and M0 processors
AnnaBridge 156:ff21514d8981 1034 */
AnnaBridge 156:ff21514d8981 1035 CMSIS_INLINE __STATIC_INLINE uint32_t __SMUAD(
AnnaBridge 156:ff21514d8981 1036 uint32_t x,
AnnaBridge 156:ff21514d8981 1037 uint32_t y)
AnnaBridge 156:ff21514d8981 1038 {
AnnaBridge 156:ff21514d8981 1039 return ((uint32_t)(((((q31_t)x << 16) >> 16) * (((q31_t)y << 16) >> 16)) +
AnnaBridge 156:ff21514d8981 1040 ((((q31_t)x ) >> 16) * (((q31_t)y ) >> 16)) ));
AnnaBridge 156:ff21514d8981 1041 }
AnnaBridge 156:ff21514d8981 1042
AnnaBridge 156:ff21514d8981 1043
AnnaBridge 156:ff21514d8981 1044 /*
AnnaBridge 156:ff21514d8981 1045 * @brief C custom defined SMUSD for M3 and M0 processors
AnnaBridge 156:ff21514d8981 1046 */
AnnaBridge 156:ff21514d8981 1047 CMSIS_INLINE __STATIC_INLINE uint32_t __SMUSD(
AnnaBridge 156:ff21514d8981 1048 uint32_t x,
AnnaBridge 156:ff21514d8981 1049 uint32_t y)
AnnaBridge 156:ff21514d8981 1050 {
AnnaBridge 156:ff21514d8981 1051 return ((uint32_t)(((((q31_t)x << 16) >> 16) * (((q31_t)y << 16) >> 16)) -
AnnaBridge 156:ff21514d8981 1052 ((((q31_t)x ) >> 16) * (((q31_t)y ) >> 16)) ));
AnnaBridge 156:ff21514d8981 1053 }
AnnaBridge 156:ff21514d8981 1054
AnnaBridge 156:ff21514d8981 1055
AnnaBridge 156:ff21514d8981 1056 /*
AnnaBridge 156:ff21514d8981 1057 * @brief C custom defined SXTB16 for M3 and M0 processors
AnnaBridge 156:ff21514d8981 1058 */
AnnaBridge 156:ff21514d8981 1059 CMSIS_INLINE __STATIC_INLINE uint32_t __SXTB16(
AnnaBridge 156:ff21514d8981 1060 uint32_t x)
AnnaBridge 156:ff21514d8981 1061 {
AnnaBridge 156:ff21514d8981 1062 return ((uint32_t)(((((q31_t)x << 24) >> 24) & (q31_t)0x0000FFFF) |
AnnaBridge 156:ff21514d8981 1063 ((((q31_t)x << 8) >> 8) & (q31_t)0xFFFF0000) ));
AnnaBridge 156:ff21514d8981 1064 }
AnnaBridge 156:ff21514d8981 1065
AnnaBridge 156:ff21514d8981 1066 /*
AnnaBridge 156:ff21514d8981 1067 * @brief C custom defined SMMLA for M3 and M0 processors
AnnaBridge 156:ff21514d8981 1068 */
AnnaBridge 156:ff21514d8981 1069 CMSIS_INLINE __STATIC_INLINE int32_t __SMMLA(
AnnaBridge 156:ff21514d8981 1070 int32_t x,
AnnaBridge 156:ff21514d8981 1071 int32_t y,
AnnaBridge 156:ff21514d8981 1072 int32_t sum)
AnnaBridge 156:ff21514d8981 1073 {
AnnaBridge 156:ff21514d8981 1074 return (sum + (int32_t) (((int64_t) x * y) >> 32));
AnnaBridge 156:ff21514d8981 1075 }
AnnaBridge 156:ff21514d8981 1076
AnnaBridge 156:ff21514d8981 1077 #if 0
AnnaBridge 156:ff21514d8981 1078 /*
AnnaBridge 156:ff21514d8981 1079 * @brief C custom defined PKHBT for unavailable DSP extension
AnnaBridge 156:ff21514d8981 1080 */
AnnaBridge 156:ff21514d8981 1081 CMSIS_INLINE __STATIC_INLINE uint32_t __PKHBT(
AnnaBridge 156:ff21514d8981 1082 uint32_t x,
AnnaBridge 156:ff21514d8981 1083 uint32_t y,
AnnaBridge 156:ff21514d8981 1084 uint32_t leftshift)
AnnaBridge 156:ff21514d8981 1085 {
AnnaBridge 156:ff21514d8981 1086 return ( ((x ) & 0x0000FFFFUL) |
AnnaBridge 156:ff21514d8981 1087 ((y << leftshift) & 0xFFFF0000UL) );
AnnaBridge 156:ff21514d8981 1088 }
AnnaBridge 156:ff21514d8981 1089
AnnaBridge 156:ff21514d8981 1090 /*
AnnaBridge 156:ff21514d8981 1091 * @brief C custom defined PKHTB for unavailable DSP extension
AnnaBridge 156:ff21514d8981 1092 */
AnnaBridge 156:ff21514d8981 1093 CMSIS_INLINE __STATIC_INLINE uint32_t __PKHTB(
AnnaBridge 156:ff21514d8981 1094 uint32_t x,
AnnaBridge 156:ff21514d8981 1095 uint32_t y,
AnnaBridge 156:ff21514d8981 1096 uint32_t rightshift)
AnnaBridge 156:ff21514d8981 1097 {
AnnaBridge 156:ff21514d8981 1098 return ( ((x ) & 0xFFFF0000UL) |
AnnaBridge 156:ff21514d8981 1099 ((y >> rightshift) & 0x0000FFFFUL) );
AnnaBridge 156:ff21514d8981 1100 }
AnnaBridge 156:ff21514d8981 1101 #endif
AnnaBridge 156:ff21514d8981 1102
AnnaBridge 156:ff21514d8981 1103 /* #endif // defined (ARM_MATH_CM3) || defined (ARM_MATH_CM0_FAMILY) */
AnnaBridge 156:ff21514d8981 1104 #endif /* !defined (ARM_MATH_DSP) */
AnnaBridge 156:ff21514d8981 1105
AnnaBridge 156:ff21514d8981 1106
AnnaBridge 156:ff21514d8981 1107 /**
AnnaBridge 156:ff21514d8981 1108 * @brief Instance structure for the Q7 FIR filter.
AnnaBridge 156:ff21514d8981 1109 */
AnnaBridge 156:ff21514d8981 1110 typedef struct
AnnaBridge 156:ff21514d8981 1111 {
AnnaBridge 156:ff21514d8981 1112 uint16_t numTaps; /**< number of filter coefficients in the filter. */
AnnaBridge 156:ff21514d8981 1113 q7_t *pState; /**< points to the state variable array. The array is of length numTaps+blockSize-1. */
AnnaBridge 156:ff21514d8981 1114 q7_t *pCoeffs; /**< points to the coefficient array. The array is of length numTaps.*/
AnnaBridge 156:ff21514d8981 1115 } arm_fir_instance_q7;
AnnaBridge 156:ff21514d8981 1116
AnnaBridge 156:ff21514d8981 1117 /**
AnnaBridge 156:ff21514d8981 1118 * @brief Instance structure for the Q15 FIR filter.
AnnaBridge 156:ff21514d8981 1119 */
AnnaBridge 156:ff21514d8981 1120 typedef struct
AnnaBridge 156:ff21514d8981 1121 {
AnnaBridge 156:ff21514d8981 1122 uint16_t numTaps; /**< number of filter coefficients in the filter. */
AnnaBridge 156:ff21514d8981 1123 q15_t *pState; /**< points to the state variable array. The array is of length numTaps+blockSize-1. */
AnnaBridge 156:ff21514d8981 1124 q15_t *pCoeffs; /**< points to the coefficient array. The array is of length numTaps.*/
AnnaBridge 156:ff21514d8981 1125 } arm_fir_instance_q15;
AnnaBridge 156:ff21514d8981 1126
AnnaBridge 156:ff21514d8981 1127 /**
AnnaBridge 156:ff21514d8981 1128 * @brief Instance structure for the Q31 FIR filter.
AnnaBridge 156:ff21514d8981 1129 */
AnnaBridge 156:ff21514d8981 1130 typedef struct
AnnaBridge 156:ff21514d8981 1131 {
AnnaBridge 156:ff21514d8981 1132 uint16_t numTaps; /**< number of filter coefficients in the filter. */
AnnaBridge 156:ff21514d8981 1133 q31_t *pState; /**< points to the state variable array. The array is of length numTaps+blockSize-1. */
AnnaBridge 156:ff21514d8981 1134 q31_t *pCoeffs; /**< points to the coefficient array. The array is of length numTaps. */
AnnaBridge 156:ff21514d8981 1135 } arm_fir_instance_q31;
AnnaBridge 156:ff21514d8981 1136
AnnaBridge 156:ff21514d8981 1137 /**
AnnaBridge 156:ff21514d8981 1138 * @brief Instance structure for the floating-point FIR filter.
AnnaBridge 156:ff21514d8981 1139 */
AnnaBridge 156:ff21514d8981 1140 typedef struct
AnnaBridge 156:ff21514d8981 1141 {
AnnaBridge 156:ff21514d8981 1142 uint16_t numTaps; /**< number of filter coefficients in the filter. */
AnnaBridge 156:ff21514d8981 1143 float32_t *pState; /**< points to the state variable array. The array is of length numTaps+blockSize-1. */
AnnaBridge 156:ff21514d8981 1144 float32_t *pCoeffs; /**< points to the coefficient array. The array is of length numTaps. */
AnnaBridge 156:ff21514d8981 1145 } arm_fir_instance_f32;
AnnaBridge 156:ff21514d8981 1146
AnnaBridge 156:ff21514d8981 1147
AnnaBridge 156:ff21514d8981 1148 /**
AnnaBridge 156:ff21514d8981 1149 * @brief Processing function for the Q7 FIR filter.
AnnaBridge 156:ff21514d8981 1150 * @param[in] S points to an instance of the Q7 FIR filter structure.
AnnaBridge 156:ff21514d8981 1151 * @param[in] pSrc points to the block of input data.
AnnaBridge 156:ff21514d8981 1152 * @param[out] pDst points to the block of output data.
AnnaBridge 156:ff21514d8981 1153 * @param[in] blockSize number of samples to process.
AnnaBridge 156:ff21514d8981 1154 */
AnnaBridge 156:ff21514d8981 1155 void arm_fir_q7(
AnnaBridge 156:ff21514d8981 1156 const arm_fir_instance_q7 * S,
AnnaBridge 156:ff21514d8981 1157 q7_t * pSrc,
AnnaBridge 156:ff21514d8981 1158 q7_t * pDst,
AnnaBridge 156:ff21514d8981 1159 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 1160
AnnaBridge 156:ff21514d8981 1161
AnnaBridge 156:ff21514d8981 1162 /**
AnnaBridge 156:ff21514d8981 1163 * @brief Initialization function for the Q7 FIR filter.
AnnaBridge 156:ff21514d8981 1164 * @param[in,out] S points to an instance of the Q7 FIR structure.
AnnaBridge 156:ff21514d8981 1165 * @param[in] numTaps Number of filter coefficients in the filter.
AnnaBridge 156:ff21514d8981 1166 * @param[in] pCoeffs points to the filter coefficients.
AnnaBridge 156:ff21514d8981 1167 * @param[in] pState points to the state buffer.
AnnaBridge 156:ff21514d8981 1168 * @param[in] blockSize number of samples that are processed.
AnnaBridge 156:ff21514d8981 1169 */
AnnaBridge 156:ff21514d8981 1170 void arm_fir_init_q7(
AnnaBridge 156:ff21514d8981 1171 arm_fir_instance_q7 * S,
AnnaBridge 156:ff21514d8981 1172 uint16_t numTaps,
AnnaBridge 156:ff21514d8981 1173 q7_t * pCoeffs,
AnnaBridge 156:ff21514d8981 1174 q7_t * pState,
AnnaBridge 156:ff21514d8981 1175 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 1176
AnnaBridge 156:ff21514d8981 1177
AnnaBridge 156:ff21514d8981 1178 /**
AnnaBridge 156:ff21514d8981 1179 * @brief Processing function for the Q15 FIR filter.
AnnaBridge 156:ff21514d8981 1180 * @param[in] S points to an instance of the Q15 FIR structure.
AnnaBridge 156:ff21514d8981 1181 * @param[in] pSrc points to the block of input data.
AnnaBridge 156:ff21514d8981 1182 * @param[out] pDst points to the block of output data.
AnnaBridge 156:ff21514d8981 1183 * @param[in] blockSize number of samples to process.
AnnaBridge 156:ff21514d8981 1184 */
AnnaBridge 156:ff21514d8981 1185 void arm_fir_q15(
AnnaBridge 156:ff21514d8981 1186 const arm_fir_instance_q15 * S,
AnnaBridge 156:ff21514d8981 1187 q15_t * pSrc,
AnnaBridge 156:ff21514d8981 1188 q15_t * pDst,
AnnaBridge 156:ff21514d8981 1189 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 1190
AnnaBridge 156:ff21514d8981 1191
AnnaBridge 156:ff21514d8981 1192 /**
AnnaBridge 156:ff21514d8981 1193 * @brief Processing function for the fast Q15 FIR filter for Cortex-M3 and Cortex-M4.
AnnaBridge 156:ff21514d8981 1194 * @param[in] S points to an instance of the Q15 FIR filter structure.
AnnaBridge 156:ff21514d8981 1195 * @param[in] pSrc points to the block of input data.
AnnaBridge 156:ff21514d8981 1196 * @param[out] pDst points to the block of output data.
AnnaBridge 156:ff21514d8981 1197 * @param[in] blockSize number of samples to process.
AnnaBridge 156:ff21514d8981 1198 */
AnnaBridge 156:ff21514d8981 1199 void arm_fir_fast_q15(
AnnaBridge 156:ff21514d8981 1200 const arm_fir_instance_q15 * S,
AnnaBridge 156:ff21514d8981 1201 q15_t * pSrc,
AnnaBridge 156:ff21514d8981 1202 q15_t * pDst,
AnnaBridge 156:ff21514d8981 1203 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 1204
AnnaBridge 156:ff21514d8981 1205
AnnaBridge 156:ff21514d8981 1206 /**
AnnaBridge 156:ff21514d8981 1207 * @brief Initialization function for the Q15 FIR filter.
AnnaBridge 156:ff21514d8981 1208 * @param[in,out] S points to an instance of the Q15 FIR filter structure.
AnnaBridge 156:ff21514d8981 1209 * @param[in] numTaps Number of filter coefficients in the filter. Must be even and greater than or equal to 4.
AnnaBridge 156:ff21514d8981 1210 * @param[in] pCoeffs points to the filter coefficients.
AnnaBridge 156:ff21514d8981 1211 * @param[in] pState points to the state buffer.
AnnaBridge 156:ff21514d8981 1212 * @param[in] blockSize number of samples that are processed at a time.
AnnaBridge 156:ff21514d8981 1213 * @return The function returns ARM_MATH_SUCCESS if initialization was successful or ARM_MATH_ARGUMENT_ERROR if
AnnaBridge 156:ff21514d8981 1214 * <code>numTaps</code> is not a supported value.
AnnaBridge 156:ff21514d8981 1215 */
AnnaBridge 156:ff21514d8981 1216 arm_status arm_fir_init_q15(
AnnaBridge 156:ff21514d8981 1217 arm_fir_instance_q15 * S,
AnnaBridge 156:ff21514d8981 1218 uint16_t numTaps,
AnnaBridge 156:ff21514d8981 1219 q15_t * pCoeffs,
AnnaBridge 156:ff21514d8981 1220 q15_t * pState,
AnnaBridge 156:ff21514d8981 1221 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 1222
AnnaBridge 156:ff21514d8981 1223
AnnaBridge 156:ff21514d8981 1224 /**
AnnaBridge 156:ff21514d8981 1225 * @brief Processing function for the Q31 FIR filter.
AnnaBridge 156:ff21514d8981 1226 * @param[in] S points to an instance of the Q31 FIR filter structure.
AnnaBridge 156:ff21514d8981 1227 * @param[in] pSrc points to the block of input data.
AnnaBridge 156:ff21514d8981 1228 * @param[out] pDst points to the block of output data.
AnnaBridge 156:ff21514d8981 1229 * @param[in] blockSize number of samples to process.
AnnaBridge 156:ff21514d8981 1230 */
AnnaBridge 156:ff21514d8981 1231 void arm_fir_q31(
AnnaBridge 156:ff21514d8981 1232 const arm_fir_instance_q31 * S,
AnnaBridge 156:ff21514d8981 1233 q31_t * pSrc,
AnnaBridge 156:ff21514d8981 1234 q31_t * pDst,
AnnaBridge 156:ff21514d8981 1235 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 1236
AnnaBridge 156:ff21514d8981 1237
AnnaBridge 156:ff21514d8981 1238 /**
AnnaBridge 156:ff21514d8981 1239 * @brief Processing function for the fast Q31 FIR filter for Cortex-M3 and Cortex-M4.
AnnaBridge 156:ff21514d8981 1240 * @param[in] S points to an instance of the Q31 FIR structure.
AnnaBridge 156:ff21514d8981 1241 * @param[in] pSrc points to the block of input data.
AnnaBridge 156:ff21514d8981 1242 * @param[out] pDst points to the block of output data.
AnnaBridge 156:ff21514d8981 1243 * @param[in] blockSize number of samples to process.
AnnaBridge 156:ff21514d8981 1244 */
AnnaBridge 156:ff21514d8981 1245 void arm_fir_fast_q31(
AnnaBridge 156:ff21514d8981 1246 const arm_fir_instance_q31 * S,
AnnaBridge 156:ff21514d8981 1247 q31_t * pSrc,
AnnaBridge 156:ff21514d8981 1248 q31_t * pDst,
AnnaBridge 156:ff21514d8981 1249 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 1250
AnnaBridge 156:ff21514d8981 1251
AnnaBridge 156:ff21514d8981 1252 /**
AnnaBridge 156:ff21514d8981 1253 * @brief Initialization function for the Q31 FIR filter.
AnnaBridge 156:ff21514d8981 1254 * @param[in,out] S points to an instance of the Q31 FIR structure.
AnnaBridge 156:ff21514d8981 1255 * @param[in] numTaps Number of filter coefficients in the filter.
AnnaBridge 156:ff21514d8981 1256 * @param[in] pCoeffs points to the filter coefficients.
AnnaBridge 156:ff21514d8981 1257 * @param[in] pState points to the state buffer.
AnnaBridge 156:ff21514d8981 1258 * @param[in] blockSize number of samples that are processed at a time.
AnnaBridge 156:ff21514d8981 1259 */
AnnaBridge 156:ff21514d8981 1260 void arm_fir_init_q31(
AnnaBridge 156:ff21514d8981 1261 arm_fir_instance_q31 * S,
AnnaBridge 156:ff21514d8981 1262 uint16_t numTaps,
AnnaBridge 156:ff21514d8981 1263 q31_t * pCoeffs,
AnnaBridge 156:ff21514d8981 1264 q31_t * pState,
AnnaBridge 156:ff21514d8981 1265 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 1266
AnnaBridge 156:ff21514d8981 1267
AnnaBridge 156:ff21514d8981 1268 /**
AnnaBridge 156:ff21514d8981 1269 * @brief Processing function for the floating-point FIR filter.
AnnaBridge 156:ff21514d8981 1270 * @param[in] S points to an instance of the floating-point FIR structure.
AnnaBridge 156:ff21514d8981 1271 * @param[in] pSrc points to the block of input data.
AnnaBridge 156:ff21514d8981 1272 * @param[out] pDst points to the block of output data.
AnnaBridge 156:ff21514d8981 1273 * @param[in] blockSize number of samples to process.
AnnaBridge 156:ff21514d8981 1274 */
AnnaBridge 156:ff21514d8981 1275 void arm_fir_f32(
AnnaBridge 156:ff21514d8981 1276 const arm_fir_instance_f32 * S,
AnnaBridge 156:ff21514d8981 1277 float32_t * pSrc,
AnnaBridge 156:ff21514d8981 1278 float32_t * pDst,
AnnaBridge 156:ff21514d8981 1279 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 1280
AnnaBridge 156:ff21514d8981 1281
AnnaBridge 156:ff21514d8981 1282 /**
AnnaBridge 156:ff21514d8981 1283 * @brief Initialization function for the floating-point FIR filter.
AnnaBridge 156:ff21514d8981 1284 * @param[in,out] S points to an instance of the floating-point FIR filter structure.
AnnaBridge 156:ff21514d8981 1285 * @param[in] numTaps Number of filter coefficients in the filter.
AnnaBridge 156:ff21514d8981 1286 * @param[in] pCoeffs points to the filter coefficients.
AnnaBridge 156:ff21514d8981 1287 * @param[in] pState points to the state buffer.
AnnaBridge 156:ff21514d8981 1288 * @param[in] blockSize number of samples that are processed at a time.
AnnaBridge 156:ff21514d8981 1289 */
AnnaBridge 156:ff21514d8981 1290 void arm_fir_init_f32(
AnnaBridge 156:ff21514d8981 1291 arm_fir_instance_f32 * S,
AnnaBridge 156:ff21514d8981 1292 uint16_t numTaps,
AnnaBridge 156:ff21514d8981 1293 float32_t * pCoeffs,
AnnaBridge 156:ff21514d8981 1294 float32_t * pState,
AnnaBridge 156:ff21514d8981 1295 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 1296
AnnaBridge 156:ff21514d8981 1297
AnnaBridge 156:ff21514d8981 1298 /**
AnnaBridge 156:ff21514d8981 1299 * @brief Instance structure for the Q15 Biquad cascade filter.
AnnaBridge 156:ff21514d8981 1300 */
AnnaBridge 156:ff21514d8981 1301 typedef struct
AnnaBridge 156:ff21514d8981 1302 {
AnnaBridge 156:ff21514d8981 1303 int8_t numStages; /**< number of 2nd order stages in the filter. Overall order is 2*numStages. */
AnnaBridge 156:ff21514d8981 1304 q15_t *pState; /**< Points to the array of state coefficients. The array is of length 4*numStages. */
AnnaBridge 156:ff21514d8981 1305 q15_t *pCoeffs; /**< Points to the array of coefficients. The array is of length 5*numStages. */
AnnaBridge 156:ff21514d8981 1306 int8_t postShift; /**< Additional shift, in bits, applied to each output sample. */
AnnaBridge 156:ff21514d8981 1307 } arm_biquad_casd_df1_inst_q15;
AnnaBridge 156:ff21514d8981 1308
AnnaBridge 156:ff21514d8981 1309 /**
AnnaBridge 156:ff21514d8981 1310 * @brief Instance structure for the Q31 Biquad cascade filter.
AnnaBridge 156:ff21514d8981 1311 */
AnnaBridge 156:ff21514d8981 1312 typedef struct
AnnaBridge 156:ff21514d8981 1313 {
AnnaBridge 156:ff21514d8981 1314 uint32_t numStages; /**< number of 2nd order stages in the filter. Overall order is 2*numStages. */
AnnaBridge 156:ff21514d8981 1315 q31_t *pState; /**< Points to the array of state coefficients. The array is of length 4*numStages. */
AnnaBridge 156:ff21514d8981 1316 q31_t *pCoeffs; /**< Points to the array of coefficients. The array is of length 5*numStages. */
AnnaBridge 156:ff21514d8981 1317 uint8_t postShift; /**< Additional shift, in bits, applied to each output sample. */
AnnaBridge 156:ff21514d8981 1318 } arm_biquad_casd_df1_inst_q31;
AnnaBridge 156:ff21514d8981 1319
AnnaBridge 156:ff21514d8981 1320 /**
AnnaBridge 156:ff21514d8981 1321 * @brief Instance structure for the floating-point Biquad cascade filter.
AnnaBridge 156:ff21514d8981 1322 */
AnnaBridge 156:ff21514d8981 1323 typedef struct
AnnaBridge 156:ff21514d8981 1324 {
AnnaBridge 156:ff21514d8981 1325 uint32_t numStages; /**< number of 2nd order stages in the filter. Overall order is 2*numStages. */
AnnaBridge 156:ff21514d8981 1326 float32_t *pState; /**< Points to the array of state coefficients. The array is of length 4*numStages. */
AnnaBridge 156:ff21514d8981 1327 float32_t *pCoeffs; /**< Points to the array of coefficients. The array is of length 5*numStages. */
AnnaBridge 156:ff21514d8981 1328 } arm_biquad_casd_df1_inst_f32;
AnnaBridge 156:ff21514d8981 1329
AnnaBridge 156:ff21514d8981 1330
AnnaBridge 156:ff21514d8981 1331 /**
AnnaBridge 156:ff21514d8981 1332 * @brief Processing function for the Q15 Biquad cascade filter.
AnnaBridge 156:ff21514d8981 1333 * @param[in] S points to an instance of the Q15 Biquad cascade structure.
AnnaBridge 156:ff21514d8981 1334 * @param[in] pSrc points to the block of input data.
AnnaBridge 156:ff21514d8981 1335 * @param[out] pDst points to the block of output data.
AnnaBridge 156:ff21514d8981 1336 * @param[in] blockSize number of samples to process.
AnnaBridge 156:ff21514d8981 1337 */
AnnaBridge 156:ff21514d8981 1338 void arm_biquad_cascade_df1_q15(
AnnaBridge 156:ff21514d8981 1339 const arm_biquad_casd_df1_inst_q15 * S,
AnnaBridge 156:ff21514d8981 1340 q15_t * pSrc,
AnnaBridge 156:ff21514d8981 1341 q15_t * pDst,
AnnaBridge 156:ff21514d8981 1342 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 1343
AnnaBridge 156:ff21514d8981 1344
AnnaBridge 156:ff21514d8981 1345 /**
AnnaBridge 156:ff21514d8981 1346 * @brief Initialization function for the Q15 Biquad cascade filter.
AnnaBridge 156:ff21514d8981 1347 * @param[in,out] S points to an instance of the Q15 Biquad cascade structure.
AnnaBridge 156:ff21514d8981 1348 * @param[in] numStages number of 2nd order stages in the filter.
AnnaBridge 156:ff21514d8981 1349 * @param[in] pCoeffs points to the filter coefficients.
AnnaBridge 156:ff21514d8981 1350 * @param[in] pState points to the state buffer.
AnnaBridge 156:ff21514d8981 1351 * @param[in] postShift Shift to be applied to the output. Varies according to the coefficients format
AnnaBridge 156:ff21514d8981 1352 */
AnnaBridge 156:ff21514d8981 1353 void arm_biquad_cascade_df1_init_q15(
AnnaBridge 156:ff21514d8981 1354 arm_biquad_casd_df1_inst_q15 * S,
AnnaBridge 156:ff21514d8981 1355 uint8_t numStages,
AnnaBridge 156:ff21514d8981 1356 q15_t * pCoeffs,
AnnaBridge 156:ff21514d8981 1357 q15_t * pState,
AnnaBridge 156:ff21514d8981 1358 int8_t postShift);
AnnaBridge 156:ff21514d8981 1359
AnnaBridge 156:ff21514d8981 1360
AnnaBridge 156:ff21514d8981 1361 /**
AnnaBridge 156:ff21514d8981 1362 * @brief Fast but less precise processing function for the Q15 Biquad cascade filter for Cortex-M3 and Cortex-M4.
AnnaBridge 156:ff21514d8981 1363 * @param[in] S points to an instance of the Q15 Biquad cascade structure.
AnnaBridge 156:ff21514d8981 1364 * @param[in] pSrc points to the block of input data.
AnnaBridge 156:ff21514d8981 1365 * @param[out] pDst points to the block of output data.
AnnaBridge 156:ff21514d8981 1366 * @param[in] blockSize number of samples to process.
AnnaBridge 156:ff21514d8981 1367 */
AnnaBridge 156:ff21514d8981 1368 void arm_biquad_cascade_df1_fast_q15(
AnnaBridge 156:ff21514d8981 1369 const arm_biquad_casd_df1_inst_q15 * S,
AnnaBridge 156:ff21514d8981 1370 q15_t * pSrc,
AnnaBridge 156:ff21514d8981 1371 q15_t * pDst,
AnnaBridge 156:ff21514d8981 1372 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 1373
AnnaBridge 156:ff21514d8981 1374
AnnaBridge 156:ff21514d8981 1375 /**
AnnaBridge 156:ff21514d8981 1376 * @brief Processing function for the Q31 Biquad cascade filter
AnnaBridge 156:ff21514d8981 1377 * @param[in] S points to an instance of the Q31 Biquad cascade structure.
AnnaBridge 156:ff21514d8981 1378 * @param[in] pSrc points to the block of input data.
AnnaBridge 156:ff21514d8981 1379 * @param[out] pDst points to the block of output data.
AnnaBridge 156:ff21514d8981 1380 * @param[in] blockSize number of samples to process.
AnnaBridge 156:ff21514d8981 1381 */
AnnaBridge 156:ff21514d8981 1382 void arm_biquad_cascade_df1_q31(
AnnaBridge 156:ff21514d8981 1383 const arm_biquad_casd_df1_inst_q31 * S,
AnnaBridge 156:ff21514d8981 1384 q31_t * pSrc,
AnnaBridge 156:ff21514d8981 1385 q31_t * pDst,
AnnaBridge 156:ff21514d8981 1386 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 1387
AnnaBridge 156:ff21514d8981 1388
AnnaBridge 156:ff21514d8981 1389 /**
AnnaBridge 156:ff21514d8981 1390 * @brief Fast but less precise processing function for the Q31 Biquad cascade filter for Cortex-M3 and Cortex-M4.
AnnaBridge 156:ff21514d8981 1391 * @param[in] S points to an instance of the Q31 Biquad cascade structure.
AnnaBridge 156:ff21514d8981 1392 * @param[in] pSrc points to the block of input data.
AnnaBridge 156:ff21514d8981 1393 * @param[out] pDst points to the block of output data.
AnnaBridge 156:ff21514d8981 1394 * @param[in] blockSize number of samples to process.
AnnaBridge 156:ff21514d8981 1395 */
AnnaBridge 156:ff21514d8981 1396 void arm_biquad_cascade_df1_fast_q31(
AnnaBridge 156:ff21514d8981 1397 const arm_biquad_casd_df1_inst_q31 * S,
AnnaBridge 156:ff21514d8981 1398 q31_t * pSrc,
AnnaBridge 156:ff21514d8981 1399 q31_t * pDst,
AnnaBridge 156:ff21514d8981 1400 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 1401
AnnaBridge 156:ff21514d8981 1402
AnnaBridge 156:ff21514d8981 1403 /**
AnnaBridge 156:ff21514d8981 1404 * @brief Initialization function for the Q31 Biquad cascade filter.
AnnaBridge 156:ff21514d8981 1405 * @param[in,out] S points to an instance of the Q31 Biquad cascade structure.
AnnaBridge 156:ff21514d8981 1406 * @param[in] numStages number of 2nd order stages in the filter.
AnnaBridge 156:ff21514d8981 1407 * @param[in] pCoeffs points to the filter coefficients.
AnnaBridge 156:ff21514d8981 1408 * @param[in] pState points to the state buffer.
AnnaBridge 156:ff21514d8981 1409 * @param[in] postShift Shift to be applied to the output. Varies according to the coefficients format
AnnaBridge 156:ff21514d8981 1410 */
AnnaBridge 156:ff21514d8981 1411 void arm_biquad_cascade_df1_init_q31(
AnnaBridge 156:ff21514d8981 1412 arm_biquad_casd_df1_inst_q31 * S,
AnnaBridge 156:ff21514d8981 1413 uint8_t numStages,
AnnaBridge 156:ff21514d8981 1414 q31_t * pCoeffs,
AnnaBridge 156:ff21514d8981 1415 q31_t * pState,
AnnaBridge 156:ff21514d8981 1416 int8_t postShift);
AnnaBridge 156:ff21514d8981 1417
AnnaBridge 156:ff21514d8981 1418
AnnaBridge 156:ff21514d8981 1419 /**
AnnaBridge 156:ff21514d8981 1420 * @brief Processing function for the floating-point Biquad cascade filter.
AnnaBridge 156:ff21514d8981 1421 * @param[in] S points to an instance of the floating-point Biquad cascade structure.
AnnaBridge 156:ff21514d8981 1422 * @param[in] pSrc points to the block of input data.
AnnaBridge 156:ff21514d8981 1423 * @param[out] pDst points to the block of output data.
AnnaBridge 156:ff21514d8981 1424 * @param[in] blockSize number of samples to process.
AnnaBridge 156:ff21514d8981 1425 */
AnnaBridge 156:ff21514d8981 1426 void arm_biquad_cascade_df1_f32(
AnnaBridge 156:ff21514d8981 1427 const arm_biquad_casd_df1_inst_f32 * S,
AnnaBridge 156:ff21514d8981 1428 float32_t * pSrc,
AnnaBridge 156:ff21514d8981 1429 float32_t * pDst,
AnnaBridge 156:ff21514d8981 1430 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 1431
AnnaBridge 156:ff21514d8981 1432
AnnaBridge 156:ff21514d8981 1433 /**
AnnaBridge 156:ff21514d8981 1434 * @brief Initialization function for the floating-point Biquad cascade filter.
AnnaBridge 156:ff21514d8981 1435 * @param[in,out] S points to an instance of the floating-point Biquad cascade structure.
AnnaBridge 156:ff21514d8981 1436 * @param[in] numStages number of 2nd order stages in the filter.
AnnaBridge 156:ff21514d8981 1437 * @param[in] pCoeffs points to the filter coefficients.
AnnaBridge 156:ff21514d8981 1438 * @param[in] pState points to the state buffer.
AnnaBridge 156:ff21514d8981 1439 */
AnnaBridge 156:ff21514d8981 1440 void arm_biquad_cascade_df1_init_f32(
AnnaBridge 156:ff21514d8981 1441 arm_biquad_casd_df1_inst_f32 * S,
AnnaBridge 156:ff21514d8981 1442 uint8_t numStages,
AnnaBridge 156:ff21514d8981 1443 float32_t * pCoeffs,
AnnaBridge 156:ff21514d8981 1444 float32_t * pState);
AnnaBridge 156:ff21514d8981 1445
AnnaBridge 156:ff21514d8981 1446
AnnaBridge 156:ff21514d8981 1447 /**
AnnaBridge 156:ff21514d8981 1448 * @brief Instance structure for the floating-point matrix structure.
AnnaBridge 156:ff21514d8981 1449 */
AnnaBridge 156:ff21514d8981 1450 typedef struct
AnnaBridge 156:ff21514d8981 1451 {
AnnaBridge 156:ff21514d8981 1452 uint16_t numRows; /**< number of rows of the matrix. */
AnnaBridge 156:ff21514d8981 1453 uint16_t numCols; /**< number of columns of the matrix. */
AnnaBridge 156:ff21514d8981 1454 float32_t *pData; /**< points to the data of the matrix. */
AnnaBridge 156:ff21514d8981 1455 } arm_matrix_instance_f32;
AnnaBridge 156:ff21514d8981 1456
AnnaBridge 156:ff21514d8981 1457
AnnaBridge 156:ff21514d8981 1458 /**
AnnaBridge 156:ff21514d8981 1459 * @brief Instance structure for the floating-point matrix structure.
AnnaBridge 156:ff21514d8981 1460 */
AnnaBridge 156:ff21514d8981 1461 typedef struct
AnnaBridge 156:ff21514d8981 1462 {
AnnaBridge 156:ff21514d8981 1463 uint16_t numRows; /**< number of rows of the matrix. */
AnnaBridge 156:ff21514d8981 1464 uint16_t numCols; /**< number of columns of the matrix. */
AnnaBridge 156:ff21514d8981 1465 float64_t *pData; /**< points to the data of the matrix. */
AnnaBridge 156:ff21514d8981 1466 } arm_matrix_instance_f64;
AnnaBridge 156:ff21514d8981 1467
AnnaBridge 156:ff21514d8981 1468 /**
AnnaBridge 156:ff21514d8981 1469 * @brief Instance structure for the Q15 matrix structure.
AnnaBridge 156:ff21514d8981 1470 */
AnnaBridge 156:ff21514d8981 1471 typedef struct
AnnaBridge 156:ff21514d8981 1472 {
AnnaBridge 156:ff21514d8981 1473 uint16_t numRows; /**< number of rows of the matrix. */
AnnaBridge 156:ff21514d8981 1474 uint16_t numCols; /**< number of columns of the matrix. */
AnnaBridge 156:ff21514d8981 1475 q15_t *pData; /**< points to the data of the matrix. */
AnnaBridge 156:ff21514d8981 1476 } arm_matrix_instance_q15;
AnnaBridge 156:ff21514d8981 1477
AnnaBridge 156:ff21514d8981 1478 /**
AnnaBridge 156:ff21514d8981 1479 * @brief Instance structure for the Q31 matrix structure.
AnnaBridge 156:ff21514d8981 1480 */
AnnaBridge 156:ff21514d8981 1481 typedef struct
AnnaBridge 156:ff21514d8981 1482 {
AnnaBridge 156:ff21514d8981 1483 uint16_t numRows; /**< number of rows of the matrix. */
AnnaBridge 156:ff21514d8981 1484 uint16_t numCols; /**< number of columns of the matrix. */
AnnaBridge 156:ff21514d8981 1485 q31_t *pData; /**< points to the data of the matrix. */
AnnaBridge 156:ff21514d8981 1486 } arm_matrix_instance_q31;
AnnaBridge 156:ff21514d8981 1487
AnnaBridge 156:ff21514d8981 1488
AnnaBridge 156:ff21514d8981 1489 /**
AnnaBridge 156:ff21514d8981 1490 * @brief Floating-point matrix addition.
AnnaBridge 156:ff21514d8981 1491 * @param[in] pSrcA points to the first input matrix structure
AnnaBridge 156:ff21514d8981 1492 * @param[in] pSrcB points to the second input matrix structure
AnnaBridge 156:ff21514d8981 1493 * @param[out] pDst points to output matrix structure
AnnaBridge 156:ff21514d8981 1494 * @return The function returns either
AnnaBridge 156:ff21514d8981 1495 * <code>ARM_MATH_SIZE_MISMATCH</code> or <code>ARM_MATH_SUCCESS</code> based on the outcome of size checking.
AnnaBridge 156:ff21514d8981 1496 */
AnnaBridge 156:ff21514d8981 1497 arm_status arm_mat_add_f32(
AnnaBridge 156:ff21514d8981 1498 const arm_matrix_instance_f32 * pSrcA,
AnnaBridge 156:ff21514d8981 1499 const arm_matrix_instance_f32 * pSrcB,
AnnaBridge 156:ff21514d8981 1500 arm_matrix_instance_f32 * pDst);
AnnaBridge 156:ff21514d8981 1501
AnnaBridge 156:ff21514d8981 1502
AnnaBridge 156:ff21514d8981 1503 /**
AnnaBridge 156:ff21514d8981 1504 * @brief Q15 matrix addition.
AnnaBridge 156:ff21514d8981 1505 * @param[in] pSrcA points to the first input matrix structure
AnnaBridge 156:ff21514d8981 1506 * @param[in] pSrcB points to the second input matrix structure
AnnaBridge 156:ff21514d8981 1507 * @param[out] pDst points to output matrix structure
AnnaBridge 156:ff21514d8981 1508 * @return The function returns either
AnnaBridge 156:ff21514d8981 1509 * <code>ARM_MATH_SIZE_MISMATCH</code> or <code>ARM_MATH_SUCCESS</code> based on the outcome of size checking.
AnnaBridge 156:ff21514d8981 1510 */
AnnaBridge 156:ff21514d8981 1511 arm_status arm_mat_add_q15(
AnnaBridge 156:ff21514d8981 1512 const arm_matrix_instance_q15 * pSrcA,
AnnaBridge 156:ff21514d8981 1513 const arm_matrix_instance_q15 * pSrcB,
AnnaBridge 156:ff21514d8981 1514 arm_matrix_instance_q15 * pDst);
AnnaBridge 156:ff21514d8981 1515
AnnaBridge 156:ff21514d8981 1516
AnnaBridge 156:ff21514d8981 1517 /**
AnnaBridge 156:ff21514d8981 1518 * @brief Q31 matrix addition.
AnnaBridge 156:ff21514d8981 1519 * @param[in] pSrcA points to the first input matrix structure
AnnaBridge 156:ff21514d8981 1520 * @param[in] pSrcB points to the second input matrix structure
AnnaBridge 156:ff21514d8981 1521 * @param[out] pDst points to output matrix structure
AnnaBridge 156:ff21514d8981 1522 * @return The function returns either
AnnaBridge 156:ff21514d8981 1523 * <code>ARM_MATH_SIZE_MISMATCH</code> or <code>ARM_MATH_SUCCESS</code> based on the outcome of size checking.
AnnaBridge 156:ff21514d8981 1524 */
AnnaBridge 156:ff21514d8981 1525 arm_status arm_mat_add_q31(
AnnaBridge 156:ff21514d8981 1526 const arm_matrix_instance_q31 * pSrcA,
AnnaBridge 156:ff21514d8981 1527 const arm_matrix_instance_q31 * pSrcB,
AnnaBridge 156:ff21514d8981 1528 arm_matrix_instance_q31 * pDst);
AnnaBridge 156:ff21514d8981 1529
AnnaBridge 156:ff21514d8981 1530
AnnaBridge 156:ff21514d8981 1531 /**
AnnaBridge 156:ff21514d8981 1532 * @brief Floating-point, complex, matrix multiplication.
AnnaBridge 156:ff21514d8981 1533 * @param[in] pSrcA points to the first input matrix structure
AnnaBridge 156:ff21514d8981 1534 * @param[in] pSrcB points to the second input matrix structure
AnnaBridge 156:ff21514d8981 1535 * @param[out] pDst points to output matrix structure
AnnaBridge 156:ff21514d8981 1536 * @return The function returns either
AnnaBridge 156:ff21514d8981 1537 * <code>ARM_MATH_SIZE_MISMATCH</code> or <code>ARM_MATH_SUCCESS</code> based on the outcome of size checking.
AnnaBridge 156:ff21514d8981 1538 */
AnnaBridge 156:ff21514d8981 1539 arm_status arm_mat_cmplx_mult_f32(
AnnaBridge 156:ff21514d8981 1540 const arm_matrix_instance_f32 * pSrcA,
AnnaBridge 156:ff21514d8981 1541 const arm_matrix_instance_f32 * pSrcB,
AnnaBridge 156:ff21514d8981 1542 arm_matrix_instance_f32 * pDst);
AnnaBridge 156:ff21514d8981 1543
AnnaBridge 156:ff21514d8981 1544
AnnaBridge 156:ff21514d8981 1545 /**
AnnaBridge 156:ff21514d8981 1546 * @brief Q15, complex, matrix multiplication.
AnnaBridge 156:ff21514d8981 1547 * @param[in] pSrcA points to the first input matrix structure
AnnaBridge 156:ff21514d8981 1548 * @param[in] pSrcB points to the second input matrix structure
AnnaBridge 156:ff21514d8981 1549 * @param[out] pDst points to output matrix structure
AnnaBridge 156:ff21514d8981 1550 * @return The function returns either
AnnaBridge 156:ff21514d8981 1551 * <code>ARM_MATH_SIZE_MISMATCH</code> or <code>ARM_MATH_SUCCESS</code> based on the outcome of size checking.
AnnaBridge 156:ff21514d8981 1552 */
AnnaBridge 156:ff21514d8981 1553 arm_status arm_mat_cmplx_mult_q15(
AnnaBridge 156:ff21514d8981 1554 const arm_matrix_instance_q15 * pSrcA,
AnnaBridge 156:ff21514d8981 1555 const arm_matrix_instance_q15 * pSrcB,
AnnaBridge 156:ff21514d8981 1556 arm_matrix_instance_q15 * pDst,
AnnaBridge 156:ff21514d8981 1557 q15_t * pScratch);
AnnaBridge 156:ff21514d8981 1558
AnnaBridge 156:ff21514d8981 1559
AnnaBridge 156:ff21514d8981 1560 /**
AnnaBridge 156:ff21514d8981 1561 * @brief Q31, complex, matrix multiplication.
AnnaBridge 156:ff21514d8981 1562 * @param[in] pSrcA points to the first input matrix structure
AnnaBridge 156:ff21514d8981 1563 * @param[in] pSrcB points to the second input matrix structure
AnnaBridge 156:ff21514d8981 1564 * @param[out] pDst points to output matrix structure
AnnaBridge 156:ff21514d8981 1565 * @return The function returns either
AnnaBridge 156:ff21514d8981 1566 * <code>ARM_MATH_SIZE_MISMATCH</code> or <code>ARM_MATH_SUCCESS</code> based on the outcome of size checking.
AnnaBridge 156:ff21514d8981 1567 */
AnnaBridge 156:ff21514d8981 1568 arm_status arm_mat_cmplx_mult_q31(
AnnaBridge 156:ff21514d8981 1569 const arm_matrix_instance_q31 * pSrcA,
AnnaBridge 156:ff21514d8981 1570 const arm_matrix_instance_q31 * pSrcB,
AnnaBridge 156:ff21514d8981 1571 arm_matrix_instance_q31 * pDst);
AnnaBridge 156:ff21514d8981 1572
AnnaBridge 156:ff21514d8981 1573
AnnaBridge 156:ff21514d8981 1574 /**
AnnaBridge 156:ff21514d8981 1575 * @brief Floating-point matrix transpose.
AnnaBridge 156:ff21514d8981 1576 * @param[in] pSrc points to the input matrix
AnnaBridge 156:ff21514d8981 1577 * @param[out] pDst points to the output matrix
AnnaBridge 156:ff21514d8981 1578 * @return The function returns either <code>ARM_MATH_SIZE_MISMATCH</code>
AnnaBridge 156:ff21514d8981 1579 * or <code>ARM_MATH_SUCCESS</code> based on the outcome of size checking.
AnnaBridge 156:ff21514d8981 1580 */
AnnaBridge 156:ff21514d8981 1581 arm_status arm_mat_trans_f32(
AnnaBridge 156:ff21514d8981 1582 const arm_matrix_instance_f32 * pSrc,
AnnaBridge 156:ff21514d8981 1583 arm_matrix_instance_f32 * pDst);
AnnaBridge 156:ff21514d8981 1584
AnnaBridge 156:ff21514d8981 1585
AnnaBridge 156:ff21514d8981 1586 /**
AnnaBridge 156:ff21514d8981 1587 * @brief Q15 matrix transpose.
AnnaBridge 156:ff21514d8981 1588 * @param[in] pSrc points to the input matrix
AnnaBridge 156:ff21514d8981 1589 * @param[out] pDst points to the output matrix
AnnaBridge 156:ff21514d8981 1590 * @return The function returns either <code>ARM_MATH_SIZE_MISMATCH</code>
AnnaBridge 156:ff21514d8981 1591 * or <code>ARM_MATH_SUCCESS</code> based on the outcome of size checking.
AnnaBridge 156:ff21514d8981 1592 */
AnnaBridge 156:ff21514d8981 1593 arm_status arm_mat_trans_q15(
AnnaBridge 156:ff21514d8981 1594 const arm_matrix_instance_q15 * pSrc,
AnnaBridge 156:ff21514d8981 1595 arm_matrix_instance_q15 * pDst);
AnnaBridge 156:ff21514d8981 1596
AnnaBridge 156:ff21514d8981 1597
AnnaBridge 156:ff21514d8981 1598 /**
AnnaBridge 156:ff21514d8981 1599 * @brief Q31 matrix transpose.
AnnaBridge 156:ff21514d8981 1600 * @param[in] pSrc points to the input matrix
AnnaBridge 156:ff21514d8981 1601 * @param[out] pDst points to the output matrix
AnnaBridge 156:ff21514d8981 1602 * @return The function returns either <code>ARM_MATH_SIZE_MISMATCH</code>
AnnaBridge 156:ff21514d8981 1603 * or <code>ARM_MATH_SUCCESS</code> based on the outcome of size checking.
AnnaBridge 156:ff21514d8981 1604 */
AnnaBridge 156:ff21514d8981 1605 arm_status arm_mat_trans_q31(
AnnaBridge 156:ff21514d8981 1606 const arm_matrix_instance_q31 * pSrc,
AnnaBridge 156:ff21514d8981 1607 arm_matrix_instance_q31 * pDst);
AnnaBridge 156:ff21514d8981 1608
AnnaBridge 156:ff21514d8981 1609
AnnaBridge 156:ff21514d8981 1610 /**
AnnaBridge 156:ff21514d8981 1611 * @brief Floating-point matrix multiplication
AnnaBridge 156:ff21514d8981 1612 * @param[in] pSrcA points to the first input matrix structure
AnnaBridge 156:ff21514d8981 1613 * @param[in] pSrcB points to the second input matrix structure
AnnaBridge 156:ff21514d8981 1614 * @param[out] pDst points to output matrix structure
AnnaBridge 156:ff21514d8981 1615 * @return The function returns either
AnnaBridge 156:ff21514d8981 1616 * <code>ARM_MATH_SIZE_MISMATCH</code> or <code>ARM_MATH_SUCCESS</code> based on the outcome of size checking.
AnnaBridge 156:ff21514d8981 1617 */
AnnaBridge 156:ff21514d8981 1618 arm_status arm_mat_mult_f32(
AnnaBridge 156:ff21514d8981 1619 const arm_matrix_instance_f32 * pSrcA,
AnnaBridge 156:ff21514d8981 1620 const arm_matrix_instance_f32 * pSrcB,
AnnaBridge 156:ff21514d8981 1621 arm_matrix_instance_f32 * pDst);
AnnaBridge 156:ff21514d8981 1622
AnnaBridge 156:ff21514d8981 1623
AnnaBridge 156:ff21514d8981 1624 /**
AnnaBridge 156:ff21514d8981 1625 * @brief Q15 matrix multiplication
AnnaBridge 156:ff21514d8981 1626 * @param[in] pSrcA points to the first input matrix structure
AnnaBridge 156:ff21514d8981 1627 * @param[in] pSrcB points to the second input matrix structure
AnnaBridge 156:ff21514d8981 1628 * @param[out] pDst points to output matrix structure
AnnaBridge 156:ff21514d8981 1629 * @param[in] pState points to the array for storing intermediate results
AnnaBridge 156:ff21514d8981 1630 * @return The function returns either
AnnaBridge 156:ff21514d8981 1631 * <code>ARM_MATH_SIZE_MISMATCH</code> or <code>ARM_MATH_SUCCESS</code> based on the outcome of size checking.
AnnaBridge 156:ff21514d8981 1632 */
AnnaBridge 156:ff21514d8981 1633 arm_status arm_mat_mult_q15(
AnnaBridge 156:ff21514d8981 1634 const arm_matrix_instance_q15 * pSrcA,
AnnaBridge 156:ff21514d8981 1635 const arm_matrix_instance_q15 * pSrcB,
AnnaBridge 156:ff21514d8981 1636 arm_matrix_instance_q15 * pDst,
AnnaBridge 156:ff21514d8981 1637 q15_t * pState);
AnnaBridge 156:ff21514d8981 1638
AnnaBridge 156:ff21514d8981 1639
AnnaBridge 156:ff21514d8981 1640 /**
AnnaBridge 156:ff21514d8981 1641 * @brief Q15 matrix multiplication (fast variant) for Cortex-M3 and Cortex-M4
AnnaBridge 156:ff21514d8981 1642 * @param[in] pSrcA points to the first input matrix structure
AnnaBridge 156:ff21514d8981 1643 * @param[in] pSrcB points to the second input matrix structure
AnnaBridge 156:ff21514d8981 1644 * @param[out] pDst points to output matrix structure
AnnaBridge 156:ff21514d8981 1645 * @param[in] pState points to the array for storing intermediate results
AnnaBridge 156:ff21514d8981 1646 * @return The function returns either
AnnaBridge 156:ff21514d8981 1647 * <code>ARM_MATH_SIZE_MISMATCH</code> or <code>ARM_MATH_SUCCESS</code> based on the outcome of size checking.
AnnaBridge 156:ff21514d8981 1648 */
AnnaBridge 156:ff21514d8981 1649 arm_status arm_mat_mult_fast_q15(
AnnaBridge 156:ff21514d8981 1650 const arm_matrix_instance_q15 * pSrcA,
AnnaBridge 156:ff21514d8981 1651 const arm_matrix_instance_q15 * pSrcB,
AnnaBridge 156:ff21514d8981 1652 arm_matrix_instance_q15 * pDst,
AnnaBridge 156:ff21514d8981 1653 q15_t * pState);
AnnaBridge 156:ff21514d8981 1654
AnnaBridge 156:ff21514d8981 1655
AnnaBridge 156:ff21514d8981 1656 /**
AnnaBridge 156:ff21514d8981 1657 * @brief Q31 matrix multiplication
AnnaBridge 156:ff21514d8981 1658 * @param[in] pSrcA points to the first input matrix structure
AnnaBridge 156:ff21514d8981 1659 * @param[in] pSrcB points to the second input matrix structure
AnnaBridge 156:ff21514d8981 1660 * @param[out] pDst points to output matrix structure
AnnaBridge 156:ff21514d8981 1661 * @return The function returns either
AnnaBridge 156:ff21514d8981 1662 * <code>ARM_MATH_SIZE_MISMATCH</code> or <code>ARM_MATH_SUCCESS</code> based on the outcome of size checking.
AnnaBridge 156:ff21514d8981 1663 */
AnnaBridge 156:ff21514d8981 1664 arm_status arm_mat_mult_q31(
AnnaBridge 156:ff21514d8981 1665 const arm_matrix_instance_q31 * pSrcA,
AnnaBridge 156:ff21514d8981 1666 const arm_matrix_instance_q31 * pSrcB,
AnnaBridge 156:ff21514d8981 1667 arm_matrix_instance_q31 * pDst);
AnnaBridge 156:ff21514d8981 1668
AnnaBridge 156:ff21514d8981 1669
AnnaBridge 156:ff21514d8981 1670 /**
AnnaBridge 156:ff21514d8981 1671 * @brief Q31 matrix multiplication (fast variant) for Cortex-M3 and Cortex-M4
AnnaBridge 156:ff21514d8981 1672 * @param[in] pSrcA points to the first input matrix structure
AnnaBridge 156:ff21514d8981 1673 * @param[in] pSrcB points to the second input matrix structure
AnnaBridge 156:ff21514d8981 1674 * @param[out] pDst points to output matrix structure
AnnaBridge 156:ff21514d8981 1675 * @return The function returns either
AnnaBridge 156:ff21514d8981 1676 * <code>ARM_MATH_SIZE_MISMATCH</code> or <code>ARM_MATH_SUCCESS</code> based on the outcome of size checking.
AnnaBridge 156:ff21514d8981 1677 */
AnnaBridge 156:ff21514d8981 1678 arm_status arm_mat_mult_fast_q31(
AnnaBridge 156:ff21514d8981 1679 const arm_matrix_instance_q31 * pSrcA,
AnnaBridge 156:ff21514d8981 1680 const arm_matrix_instance_q31 * pSrcB,
AnnaBridge 156:ff21514d8981 1681 arm_matrix_instance_q31 * pDst);
AnnaBridge 156:ff21514d8981 1682
AnnaBridge 156:ff21514d8981 1683
AnnaBridge 156:ff21514d8981 1684 /**
AnnaBridge 156:ff21514d8981 1685 * @brief Floating-point matrix subtraction
AnnaBridge 156:ff21514d8981 1686 * @param[in] pSrcA points to the first input matrix structure
AnnaBridge 156:ff21514d8981 1687 * @param[in] pSrcB points to the second input matrix structure
AnnaBridge 156:ff21514d8981 1688 * @param[out] pDst points to output matrix structure
AnnaBridge 156:ff21514d8981 1689 * @return The function returns either
AnnaBridge 156:ff21514d8981 1690 * <code>ARM_MATH_SIZE_MISMATCH</code> or <code>ARM_MATH_SUCCESS</code> based on the outcome of size checking.
AnnaBridge 156:ff21514d8981 1691 */
AnnaBridge 156:ff21514d8981 1692 arm_status arm_mat_sub_f32(
AnnaBridge 156:ff21514d8981 1693 const arm_matrix_instance_f32 * pSrcA,
AnnaBridge 156:ff21514d8981 1694 const arm_matrix_instance_f32 * pSrcB,
AnnaBridge 156:ff21514d8981 1695 arm_matrix_instance_f32 * pDst);
AnnaBridge 156:ff21514d8981 1696
AnnaBridge 156:ff21514d8981 1697
AnnaBridge 156:ff21514d8981 1698 /**
AnnaBridge 156:ff21514d8981 1699 * @brief Q15 matrix subtraction
AnnaBridge 156:ff21514d8981 1700 * @param[in] pSrcA points to the first input matrix structure
AnnaBridge 156:ff21514d8981 1701 * @param[in] pSrcB points to the second input matrix structure
AnnaBridge 156:ff21514d8981 1702 * @param[out] pDst points to output matrix structure
AnnaBridge 156:ff21514d8981 1703 * @return The function returns either
AnnaBridge 156:ff21514d8981 1704 * <code>ARM_MATH_SIZE_MISMATCH</code> or <code>ARM_MATH_SUCCESS</code> based on the outcome of size checking.
AnnaBridge 156:ff21514d8981 1705 */
AnnaBridge 156:ff21514d8981 1706 arm_status arm_mat_sub_q15(
AnnaBridge 156:ff21514d8981 1707 const arm_matrix_instance_q15 * pSrcA,
AnnaBridge 156:ff21514d8981 1708 const arm_matrix_instance_q15 * pSrcB,
AnnaBridge 156:ff21514d8981 1709 arm_matrix_instance_q15 * pDst);
AnnaBridge 156:ff21514d8981 1710
AnnaBridge 156:ff21514d8981 1711
AnnaBridge 156:ff21514d8981 1712 /**
AnnaBridge 156:ff21514d8981 1713 * @brief Q31 matrix subtraction
AnnaBridge 156:ff21514d8981 1714 * @param[in] pSrcA points to the first input matrix structure
AnnaBridge 156:ff21514d8981 1715 * @param[in] pSrcB points to the second input matrix structure
AnnaBridge 156:ff21514d8981 1716 * @param[out] pDst points to output matrix structure
AnnaBridge 156:ff21514d8981 1717 * @return The function returns either
AnnaBridge 156:ff21514d8981 1718 * <code>ARM_MATH_SIZE_MISMATCH</code> or <code>ARM_MATH_SUCCESS</code> based on the outcome of size checking.
AnnaBridge 156:ff21514d8981 1719 */
AnnaBridge 156:ff21514d8981 1720 arm_status arm_mat_sub_q31(
AnnaBridge 156:ff21514d8981 1721 const arm_matrix_instance_q31 * pSrcA,
AnnaBridge 156:ff21514d8981 1722 const arm_matrix_instance_q31 * pSrcB,
AnnaBridge 156:ff21514d8981 1723 arm_matrix_instance_q31 * pDst);
AnnaBridge 156:ff21514d8981 1724
AnnaBridge 156:ff21514d8981 1725
AnnaBridge 156:ff21514d8981 1726 /**
AnnaBridge 156:ff21514d8981 1727 * @brief Floating-point matrix scaling.
AnnaBridge 156:ff21514d8981 1728 * @param[in] pSrc points to the input matrix
AnnaBridge 156:ff21514d8981 1729 * @param[in] scale scale factor
AnnaBridge 156:ff21514d8981 1730 * @param[out] pDst points to the output matrix
AnnaBridge 156:ff21514d8981 1731 * @return The function returns either
AnnaBridge 156:ff21514d8981 1732 * <code>ARM_MATH_SIZE_MISMATCH</code> or <code>ARM_MATH_SUCCESS</code> based on the outcome of size checking.
AnnaBridge 156:ff21514d8981 1733 */
AnnaBridge 156:ff21514d8981 1734 arm_status arm_mat_scale_f32(
AnnaBridge 156:ff21514d8981 1735 const arm_matrix_instance_f32 * pSrc,
AnnaBridge 156:ff21514d8981 1736 float32_t scale,
AnnaBridge 156:ff21514d8981 1737 arm_matrix_instance_f32 * pDst);
AnnaBridge 156:ff21514d8981 1738
AnnaBridge 156:ff21514d8981 1739
AnnaBridge 156:ff21514d8981 1740 /**
AnnaBridge 156:ff21514d8981 1741 * @brief Q15 matrix scaling.
AnnaBridge 156:ff21514d8981 1742 * @param[in] pSrc points to input matrix
AnnaBridge 156:ff21514d8981 1743 * @param[in] scaleFract fractional portion of the scale factor
AnnaBridge 156:ff21514d8981 1744 * @param[in] shift number of bits to shift the result by
AnnaBridge 156:ff21514d8981 1745 * @param[out] pDst points to output matrix
AnnaBridge 156:ff21514d8981 1746 * @return The function returns either
AnnaBridge 156:ff21514d8981 1747 * <code>ARM_MATH_SIZE_MISMATCH</code> or <code>ARM_MATH_SUCCESS</code> based on the outcome of size checking.
AnnaBridge 156:ff21514d8981 1748 */
AnnaBridge 156:ff21514d8981 1749 arm_status arm_mat_scale_q15(
AnnaBridge 156:ff21514d8981 1750 const arm_matrix_instance_q15 * pSrc,
AnnaBridge 156:ff21514d8981 1751 q15_t scaleFract,
AnnaBridge 156:ff21514d8981 1752 int32_t shift,
AnnaBridge 156:ff21514d8981 1753 arm_matrix_instance_q15 * pDst);
AnnaBridge 156:ff21514d8981 1754
AnnaBridge 156:ff21514d8981 1755
AnnaBridge 156:ff21514d8981 1756 /**
AnnaBridge 156:ff21514d8981 1757 * @brief Q31 matrix scaling.
AnnaBridge 156:ff21514d8981 1758 * @param[in] pSrc points to input matrix
AnnaBridge 156:ff21514d8981 1759 * @param[in] scaleFract fractional portion of the scale factor
AnnaBridge 156:ff21514d8981 1760 * @param[in] shift number of bits to shift the result by
AnnaBridge 156:ff21514d8981 1761 * @param[out] pDst points to output matrix structure
AnnaBridge 156:ff21514d8981 1762 * @return The function returns either
AnnaBridge 156:ff21514d8981 1763 * <code>ARM_MATH_SIZE_MISMATCH</code> or <code>ARM_MATH_SUCCESS</code> based on the outcome of size checking.
AnnaBridge 156:ff21514d8981 1764 */
AnnaBridge 156:ff21514d8981 1765 arm_status arm_mat_scale_q31(
AnnaBridge 156:ff21514d8981 1766 const arm_matrix_instance_q31 * pSrc,
AnnaBridge 156:ff21514d8981 1767 q31_t scaleFract,
AnnaBridge 156:ff21514d8981 1768 int32_t shift,
AnnaBridge 156:ff21514d8981 1769 arm_matrix_instance_q31 * pDst);
AnnaBridge 156:ff21514d8981 1770
AnnaBridge 156:ff21514d8981 1771
AnnaBridge 156:ff21514d8981 1772 /**
AnnaBridge 156:ff21514d8981 1773 * @brief Q31 matrix initialization.
AnnaBridge 156:ff21514d8981 1774 * @param[in,out] S points to an instance of the floating-point matrix structure.
AnnaBridge 156:ff21514d8981 1775 * @param[in] nRows number of rows in the matrix.
AnnaBridge 156:ff21514d8981 1776 * @param[in] nColumns number of columns in the matrix.
AnnaBridge 156:ff21514d8981 1777 * @param[in] pData points to the matrix data array.
AnnaBridge 156:ff21514d8981 1778 */
AnnaBridge 156:ff21514d8981 1779 void arm_mat_init_q31(
AnnaBridge 156:ff21514d8981 1780 arm_matrix_instance_q31 * S,
AnnaBridge 156:ff21514d8981 1781 uint16_t nRows,
AnnaBridge 156:ff21514d8981 1782 uint16_t nColumns,
AnnaBridge 156:ff21514d8981 1783 q31_t * pData);
AnnaBridge 156:ff21514d8981 1784
AnnaBridge 156:ff21514d8981 1785
AnnaBridge 156:ff21514d8981 1786 /**
AnnaBridge 156:ff21514d8981 1787 * @brief Q15 matrix initialization.
AnnaBridge 156:ff21514d8981 1788 * @param[in,out] S points to an instance of the floating-point matrix structure.
AnnaBridge 156:ff21514d8981 1789 * @param[in] nRows number of rows in the matrix.
AnnaBridge 156:ff21514d8981 1790 * @param[in] nColumns number of columns in the matrix.
AnnaBridge 156:ff21514d8981 1791 * @param[in] pData points to the matrix data array.
AnnaBridge 156:ff21514d8981 1792 */
AnnaBridge 156:ff21514d8981 1793 void arm_mat_init_q15(
AnnaBridge 156:ff21514d8981 1794 arm_matrix_instance_q15 * S,
AnnaBridge 156:ff21514d8981 1795 uint16_t nRows,
AnnaBridge 156:ff21514d8981 1796 uint16_t nColumns,
AnnaBridge 156:ff21514d8981 1797 q15_t * pData);
AnnaBridge 156:ff21514d8981 1798
AnnaBridge 156:ff21514d8981 1799
AnnaBridge 156:ff21514d8981 1800 /**
AnnaBridge 156:ff21514d8981 1801 * @brief Floating-point matrix initialization.
AnnaBridge 156:ff21514d8981 1802 * @param[in,out] S points to an instance of the floating-point matrix structure.
AnnaBridge 156:ff21514d8981 1803 * @param[in] nRows number of rows in the matrix.
AnnaBridge 156:ff21514d8981 1804 * @param[in] nColumns number of columns in the matrix.
AnnaBridge 156:ff21514d8981 1805 * @param[in] pData points to the matrix data array.
AnnaBridge 156:ff21514d8981 1806 */
AnnaBridge 156:ff21514d8981 1807 void arm_mat_init_f32(
AnnaBridge 156:ff21514d8981 1808 arm_matrix_instance_f32 * S,
AnnaBridge 156:ff21514d8981 1809 uint16_t nRows,
AnnaBridge 156:ff21514d8981 1810 uint16_t nColumns,
AnnaBridge 156:ff21514d8981 1811 float32_t * pData);
AnnaBridge 156:ff21514d8981 1812
AnnaBridge 156:ff21514d8981 1813
AnnaBridge 156:ff21514d8981 1814
AnnaBridge 156:ff21514d8981 1815 /**
AnnaBridge 156:ff21514d8981 1816 * @brief Instance structure for the Q15 PID Control.
AnnaBridge 156:ff21514d8981 1817 */
AnnaBridge 156:ff21514d8981 1818 typedef struct
AnnaBridge 156:ff21514d8981 1819 {
AnnaBridge 156:ff21514d8981 1820 q15_t A0; /**< The derived gain, A0 = Kp + Ki + Kd . */
AnnaBridge 156:ff21514d8981 1821 #if !defined (ARM_MATH_DSP)
AnnaBridge 156:ff21514d8981 1822 q15_t A1;
AnnaBridge 156:ff21514d8981 1823 q15_t A2;
AnnaBridge 156:ff21514d8981 1824 #else
AnnaBridge 156:ff21514d8981 1825 q31_t A1; /**< The derived gain A1 = -Kp - 2Kd | Kd.*/
AnnaBridge 156:ff21514d8981 1826 #endif
AnnaBridge 156:ff21514d8981 1827 q15_t state[3]; /**< The state array of length 3. */
AnnaBridge 156:ff21514d8981 1828 q15_t Kp; /**< The proportional gain. */
AnnaBridge 156:ff21514d8981 1829 q15_t Ki; /**< The integral gain. */
AnnaBridge 156:ff21514d8981 1830 q15_t Kd; /**< The derivative gain. */
AnnaBridge 156:ff21514d8981 1831 } arm_pid_instance_q15;
AnnaBridge 156:ff21514d8981 1832
AnnaBridge 156:ff21514d8981 1833 /**
AnnaBridge 156:ff21514d8981 1834 * @brief Instance structure for the Q31 PID Control.
AnnaBridge 156:ff21514d8981 1835 */
AnnaBridge 156:ff21514d8981 1836 typedef struct
AnnaBridge 156:ff21514d8981 1837 {
AnnaBridge 156:ff21514d8981 1838 q31_t A0; /**< The derived gain, A0 = Kp + Ki + Kd . */
AnnaBridge 156:ff21514d8981 1839 q31_t A1; /**< The derived gain, A1 = -Kp - 2Kd. */
AnnaBridge 156:ff21514d8981 1840 q31_t A2; /**< The derived gain, A2 = Kd . */
AnnaBridge 156:ff21514d8981 1841 q31_t state[3]; /**< The state array of length 3. */
AnnaBridge 156:ff21514d8981 1842 q31_t Kp; /**< The proportional gain. */
AnnaBridge 156:ff21514d8981 1843 q31_t Ki; /**< The integral gain. */
AnnaBridge 156:ff21514d8981 1844 q31_t Kd; /**< The derivative gain. */
AnnaBridge 156:ff21514d8981 1845 } arm_pid_instance_q31;
AnnaBridge 156:ff21514d8981 1846
AnnaBridge 156:ff21514d8981 1847 /**
AnnaBridge 156:ff21514d8981 1848 * @brief Instance structure for the floating-point PID Control.
AnnaBridge 156:ff21514d8981 1849 */
AnnaBridge 156:ff21514d8981 1850 typedef struct
AnnaBridge 156:ff21514d8981 1851 {
AnnaBridge 156:ff21514d8981 1852 float32_t A0; /**< The derived gain, A0 = Kp + Ki + Kd . */
AnnaBridge 156:ff21514d8981 1853 float32_t A1; /**< The derived gain, A1 = -Kp - 2Kd. */
AnnaBridge 156:ff21514d8981 1854 float32_t A2; /**< The derived gain, A2 = Kd . */
AnnaBridge 156:ff21514d8981 1855 float32_t state[3]; /**< The state array of length 3. */
AnnaBridge 156:ff21514d8981 1856 float32_t Kp; /**< The proportional gain. */
AnnaBridge 156:ff21514d8981 1857 float32_t Ki; /**< The integral gain. */
AnnaBridge 156:ff21514d8981 1858 float32_t Kd; /**< The derivative gain. */
AnnaBridge 156:ff21514d8981 1859 } arm_pid_instance_f32;
AnnaBridge 156:ff21514d8981 1860
AnnaBridge 156:ff21514d8981 1861
AnnaBridge 156:ff21514d8981 1862
AnnaBridge 156:ff21514d8981 1863 /**
AnnaBridge 156:ff21514d8981 1864 * @brief Initialization function for the floating-point PID Control.
AnnaBridge 156:ff21514d8981 1865 * @param[in,out] S points to an instance of the PID structure.
AnnaBridge 156:ff21514d8981 1866 * @param[in] resetStateFlag flag to reset the state. 0 = no change in state 1 = reset the state.
AnnaBridge 156:ff21514d8981 1867 */
AnnaBridge 156:ff21514d8981 1868 void arm_pid_init_f32(
AnnaBridge 156:ff21514d8981 1869 arm_pid_instance_f32 * S,
AnnaBridge 156:ff21514d8981 1870 int32_t resetStateFlag);
AnnaBridge 156:ff21514d8981 1871
AnnaBridge 156:ff21514d8981 1872
AnnaBridge 156:ff21514d8981 1873 /**
AnnaBridge 156:ff21514d8981 1874 * @brief Reset function for the floating-point PID Control.
AnnaBridge 156:ff21514d8981 1875 * @param[in,out] S is an instance of the floating-point PID Control structure
AnnaBridge 156:ff21514d8981 1876 */
AnnaBridge 156:ff21514d8981 1877 void arm_pid_reset_f32(
AnnaBridge 156:ff21514d8981 1878 arm_pid_instance_f32 * S);
AnnaBridge 156:ff21514d8981 1879
AnnaBridge 156:ff21514d8981 1880
AnnaBridge 156:ff21514d8981 1881 /**
AnnaBridge 156:ff21514d8981 1882 * @brief Initialization function for the Q31 PID Control.
AnnaBridge 156:ff21514d8981 1883 * @param[in,out] S points to an instance of the Q15 PID structure.
AnnaBridge 156:ff21514d8981 1884 * @param[in] resetStateFlag flag to reset the state. 0 = no change in state 1 = reset the state.
AnnaBridge 156:ff21514d8981 1885 */
AnnaBridge 156:ff21514d8981 1886 void arm_pid_init_q31(
AnnaBridge 156:ff21514d8981 1887 arm_pid_instance_q31 * S,
AnnaBridge 156:ff21514d8981 1888 int32_t resetStateFlag);
AnnaBridge 156:ff21514d8981 1889
AnnaBridge 156:ff21514d8981 1890
AnnaBridge 156:ff21514d8981 1891 /**
AnnaBridge 156:ff21514d8981 1892 * @brief Reset function for the Q31 PID Control.
AnnaBridge 156:ff21514d8981 1893 * @param[in,out] S points to an instance of the Q31 PID Control structure
AnnaBridge 156:ff21514d8981 1894 */
AnnaBridge 156:ff21514d8981 1895
AnnaBridge 156:ff21514d8981 1896 void arm_pid_reset_q31(
AnnaBridge 156:ff21514d8981 1897 arm_pid_instance_q31 * S);
AnnaBridge 156:ff21514d8981 1898
AnnaBridge 156:ff21514d8981 1899
AnnaBridge 156:ff21514d8981 1900 /**
AnnaBridge 156:ff21514d8981 1901 * @brief Initialization function for the Q15 PID Control.
AnnaBridge 156:ff21514d8981 1902 * @param[in,out] S points to an instance of the Q15 PID structure.
AnnaBridge 156:ff21514d8981 1903 * @param[in] resetStateFlag flag to reset the state. 0 = no change in state 1 = reset the state.
AnnaBridge 156:ff21514d8981 1904 */
AnnaBridge 156:ff21514d8981 1905 void arm_pid_init_q15(
AnnaBridge 156:ff21514d8981 1906 arm_pid_instance_q15 * S,
AnnaBridge 156:ff21514d8981 1907 int32_t resetStateFlag);
AnnaBridge 156:ff21514d8981 1908
AnnaBridge 156:ff21514d8981 1909
AnnaBridge 156:ff21514d8981 1910 /**
AnnaBridge 156:ff21514d8981 1911 * @brief Reset function for the Q15 PID Control.
AnnaBridge 156:ff21514d8981 1912 * @param[in,out] S points to an instance of the q15 PID Control structure
AnnaBridge 156:ff21514d8981 1913 */
AnnaBridge 156:ff21514d8981 1914 void arm_pid_reset_q15(
AnnaBridge 156:ff21514d8981 1915 arm_pid_instance_q15 * S);
AnnaBridge 156:ff21514d8981 1916
AnnaBridge 156:ff21514d8981 1917
AnnaBridge 156:ff21514d8981 1918 /**
AnnaBridge 156:ff21514d8981 1919 * @brief Instance structure for the floating-point Linear Interpolate function.
AnnaBridge 156:ff21514d8981 1920 */
AnnaBridge 156:ff21514d8981 1921 typedef struct
AnnaBridge 156:ff21514d8981 1922 {
AnnaBridge 156:ff21514d8981 1923 uint32_t nValues; /**< nValues */
AnnaBridge 156:ff21514d8981 1924 float32_t x1; /**< x1 */
AnnaBridge 156:ff21514d8981 1925 float32_t xSpacing; /**< xSpacing */
AnnaBridge 156:ff21514d8981 1926 float32_t *pYData; /**< pointer to the table of Y values */
AnnaBridge 156:ff21514d8981 1927 } arm_linear_interp_instance_f32;
AnnaBridge 156:ff21514d8981 1928
AnnaBridge 156:ff21514d8981 1929 /**
AnnaBridge 156:ff21514d8981 1930 * @brief Instance structure for the floating-point bilinear interpolation function.
AnnaBridge 156:ff21514d8981 1931 */
AnnaBridge 156:ff21514d8981 1932 typedef struct
AnnaBridge 156:ff21514d8981 1933 {
AnnaBridge 156:ff21514d8981 1934 uint16_t numRows; /**< number of rows in the data table. */
AnnaBridge 156:ff21514d8981 1935 uint16_t numCols; /**< number of columns in the data table. */
AnnaBridge 156:ff21514d8981 1936 float32_t *pData; /**< points to the data table. */
AnnaBridge 156:ff21514d8981 1937 } arm_bilinear_interp_instance_f32;
AnnaBridge 156:ff21514d8981 1938
AnnaBridge 156:ff21514d8981 1939 /**
AnnaBridge 156:ff21514d8981 1940 * @brief Instance structure for the Q31 bilinear interpolation function.
AnnaBridge 156:ff21514d8981 1941 */
AnnaBridge 156:ff21514d8981 1942 typedef struct
AnnaBridge 156:ff21514d8981 1943 {
AnnaBridge 156:ff21514d8981 1944 uint16_t numRows; /**< number of rows in the data table. */
AnnaBridge 156:ff21514d8981 1945 uint16_t numCols; /**< number of columns in the data table. */
AnnaBridge 156:ff21514d8981 1946 q31_t *pData; /**< points to the data table. */
AnnaBridge 156:ff21514d8981 1947 } arm_bilinear_interp_instance_q31;
AnnaBridge 156:ff21514d8981 1948
AnnaBridge 156:ff21514d8981 1949 /**
AnnaBridge 156:ff21514d8981 1950 * @brief Instance structure for the Q15 bilinear interpolation function.
AnnaBridge 156:ff21514d8981 1951 */
AnnaBridge 156:ff21514d8981 1952 typedef struct
AnnaBridge 156:ff21514d8981 1953 {
AnnaBridge 156:ff21514d8981 1954 uint16_t numRows; /**< number of rows in the data table. */
AnnaBridge 156:ff21514d8981 1955 uint16_t numCols; /**< number of columns in the data table. */
AnnaBridge 156:ff21514d8981 1956 q15_t *pData; /**< points to the data table. */
AnnaBridge 156:ff21514d8981 1957 } arm_bilinear_interp_instance_q15;
AnnaBridge 156:ff21514d8981 1958
AnnaBridge 156:ff21514d8981 1959 /**
AnnaBridge 156:ff21514d8981 1960 * @brief Instance structure for the Q15 bilinear interpolation function.
AnnaBridge 156:ff21514d8981 1961 */
AnnaBridge 156:ff21514d8981 1962 typedef struct
AnnaBridge 156:ff21514d8981 1963 {
AnnaBridge 156:ff21514d8981 1964 uint16_t numRows; /**< number of rows in the data table. */
AnnaBridge 156:ff21514d8981 1965 uint16_t numCols; /**< number of columns in the data table. */
AnnaBridge 156:ff21514d8981 1966 q7_t *pData; /**< points to the data table. */
AnnaBridge 156:ff21514d8981 1967 } arm_bilinear_interp_instance_q7;
AnnaBridge 156:ff21514d8981 1968
AnnaBridge 156:ff21514d8981 1969
AnnaBridge 156:ff21514d8981 1970 /**
AnnaBridge 156:ff21514d8981 1971 * @brief Q7 vector multiplication.
AnnaBridge 156:ff21514d8981 1972 * @param[in] pSrcA points to the first input vector
AnnaBridge 156:ff21514d8981 1973 * @param[in] pSrcB points to the second input vector
AnnaBridge 156:ff21514d8981 1974 * @param[out] pDst points to the output vector
AnnaBridge 156:ff21514d8981 1975 * @param[in] blockSize number of samples in each vector
AnnaBridge 156:ff21514d8981 1976 */
AnnaBridge 156:ff21514d8981 1977 void arm_mult_q7(
AnnaBridge 156:ff21514d8981 1978 q7_t * pSrcA,
AnnaBridge 156:ff21514d8981 1979 q7_t * pSrcB,
AnnaBridge 156:ff21514d8981 1980 q7_t * pDst,
AnnaBridge 156:ff21514d8981 1981 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 1982
AnnaBridge 156:ff21514d8981 1983
AnnaBridge 156:ff21514d8981 1984 /**
AnnaBridge 156:ff21514d8981 1985 * @brief Q15 vector multiplication.
AnnaBridge 156:ff21514d8981 1986 * @param[in] pSrcA points to the first input vector
AnnaBridge 156:ff21514d8981 1987 * @param[in] pSrcB points to the second input vector
AnnaBridge 156:ff21514d8981 1988 * @param[out] pDst points to the output vector
AnnaBridge 156:ff21514d8981 1989 * @param[in] blockSize number of samples in each vector
AnnaBridge 156:ff21514d8981 1990 */
AnnaBridge 156:ff21514d8981 1991 void arm_mult_q15(
AnnaBridge 156:ff21514d8981 1992 q15_t * pSrcA,
AnnaBridge 156:ff21514d8981 1993 q15_t * pSrcB,
AnnaBridge 156:ff21514d8981 1994 q15_t * pDst,
AnnaBridge 156:ff21514d8981 1995 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 1996
AnnaBridge 156:ff21514d8981 1997
AnnaBridge 156:ff21514d8981 1998 /**
AnnaBridge 156:ff21514d8981 1999 * @brief Q31 vector multiplication.
AnnaBridge 156:ff21514d8981 2000 * @param[in] pSrcA points to the first input vector
AnnaBridge 156:ff21514d8981 2001 * @param[in] pSrcB points to the second input vector
AnnaBridge 156:ff21514d8981 2002 * @param[out] pDst points to the output vector
AnnaBridge 156:ff21514d8981 2003 * @param[in] blockSize number of samples in each vector
AnnaBridge 156:ff21514d8981 2004 */
AnnaBridge 156:ff21514d8981 2005 void arm_mult_q31(
AnnaBridge 156:ff21514d8981 2006 q31_t * pSrcA,
AnnaBridge 156:ff21514d8981 2007 q31_t * pSrcB,
AnnaBridge 156:ff21514d8981 2008 q31_t * pDst,
AnnaBridge 156:ff21514d8981 2009 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 2010
AnnaBridge 156:ff21514d8981 2011
AnnaBridge 156:ff21514d8981 2012 /**
AnnaBridge 156:ff21514d8981 2013 * @brief Floating-point vector multiplication.
AnnaBridge 156:ff21514d8981 2014 * @param[in] pSrcA points to the first input vector
AnnaBridge 156:ff21514d8981 2015 * @param[in] pSrcB points to the second input vector
AnnaBridge 156:ff21514d8981 2016 * @param[out] pDst points to the output vector
AnnaBridge 156:ff21514d8981 2017 * @param[in] blockSize number of samples in each vector
AnnaBridge 156:ff21514d8981 2018 */
AnnaBridge 156:ff21514d8981 2019 void arm_mult_f32(
AnnaBridge 156:ff21514d8981 2020 float32_t * pSrcA,
AnnaBridge 156:ff21514d8981 2021 float32_t * pSrcB,
AnnaBridge 156:ff21514d8981 2022 float32_t * pDst,
AnnaBridge 156:ff21514d8981 2023 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 2024
AnnaBridge 156:ff21514d8981 2025
AnnaBridge 156:ff21514d8981 2026 /**
AnnaBridge 156:ff21514d8981 2027 * @brief Instance structure for the Q15 CFFT/CIFFT function.
AnnaBridge 156:ff21514d8981 2028 */
AnnaBridge 156:ff21514d8981 2029 typedef struct
AnnaBridge 156:ff21514d8981 2030 {
AnnaBridge 156:ff21514d8981 2031 uint16_t fftLen; /**< length of the FFT. */
AnnaBridge 156:ff21514d8981 2032 uint8_t ifftFlag; /**< flag that selects forward (ifftFlag=0) or inverse (ifftFlag=1) transform. */
AnnaBridge 156:ff21514d8981 2033 uint8_t bitReverseFlag; /**< flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output. */
AnnaBridge 156:ff21514d8981 2034 q15_t *pTwiddle; /**< points to the Sin twiddle factor table. */
AnnaBridge 156:ff21514d8981 2035 uint16_t *pBitRevTable; /**< points to the bit reversal table. */
AnnaBridge 156:ff21514d8981 2036 uint16_t twidCoefModifier; /**< twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. */
AnnaBridge 156:ff21514d8981 2037 uint16_t bitRevFactor; /**< bit reversal modifier that supports different size FFTs with the same bit reversal table. */
AnnaBridge 156:ff21514d8981 2038 } arm_cfft_radix2_instance_q15;
AnnaBridge 156:ff21514d8981 2039
AnnaBridge 156:ff21514d8981 2040 /* Deprecated */
AnnaBridge 156:ff21514d8981 2041 arm_status arm_cfft_radix2_init_q15(
AnnaBridge 156:ff21514d8981 2042 arm_cfft_radix2_instance_q15 * S,
AnnaBridge 156:ff21514d8981 2043 uint16_t fftLen,
AnnaBridge 156:ff21514d8981 2044 uint8_t ifftFlag,
AnnaBridge 156:ff21514d8981 2045 uint8_t bitReverseFlag);
AnnaBridge 156:ff21514d8981 2046
AnnaBridge 156:ff21514d8981 2047 /* Deprecated */
AnnaBridge 156:ff21514d8981 2048 void arm_cfft_radix2_q15(
AnnaBridge 156:ff21514d8981 2049 const arm_cfft_radix2_instance_q15 * S,
AnnaBridge 156:ff21514d8981 2050 q15_t * pSrc);
AnnaBridge 156:ff21514d8981 2051
AnnaBridge 156:ff21514d8981 2052
AnnaBridge 156:ff21514d8981 2053 /**
AnnaBridge 156:ff21514d8981 2054 * @brief Instance structure for the Q15 CFFT/CIFFT function.
AnnaBridge 156:ff21514d8981 2055 */
AnnaBridge 156:ff21514d8981 2056 typedef struct
AnnaBridge 156:ff21514d8981 2057 {
AnnaBridge 156:ff21514d8981 2058 uint16_t fftLen; /**< length of the FFT. */
AnnaBridge 156:ff21514d8981 2059 uint8_t ifftFlag; /**< flag that selects forward (ifftFlag=0) or inverse (ifftFlag=1) transform. */
AnnaBridge 156:ff21514d8981 2060 uint8_t bitReverseFlag; /**< flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output. */
AnnaBridge 156:ff21514d8981 2061 q15_t *pTwiddle; /**< points to the twiddle factor table. */
AnnaBridge 156:ff21514d8981 2062 uint16_t *pBitRevTable; /**< points to the bit reversal table. */
AnnaBridge 156:ff21514d8981 2063 uint16_t twidCoefModifier; /**< twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. */
AnnaBridge 156:ff21514d8981 2064 uint16_t bitRevFactor; /**< bit reversal modifier that supports different size FFTs with the same bit reversal table. */
AnnaBridge 156:ff21514d8981 2065 } arm_cfft_radix4_instance_q15;
AnnaBridge 156:ff21514d8981 2066
AnnaBridge 156:ff21514d8981 2067 /* Deprecated */
AnnaBridge 156:ff21514d8981 2068 arm_status arm_cfft_radix4_init_q15(
AnnaBridge 156:ff21514d8981 2069 arm_cfft_radix4_instance_q15 * S,
AnnaBridge 156:ff21514d8981 2070 uint16_t fftLen,
AnnaBridge 156:ff21514d8981 2071 uint8_t ifftFlag,
AnnaBridge 156:ff21514d8981 2072 uint8_t bitReverseFlag);
AnnaBridge 156:ff21514d8981 2073
AnnaBridge 156:ff21514d8981 2074 /* Deprecated */
AnnaBridge 156:ff21514d8981 2075 void arm_cfft_radix4_q15(
AnnaBridge 156:ff21514d8981 2076 const arm_cfft_radix4_instance_q15 * S,
AnnaBridge 156:ff21514d8981 2077 q15_t * pSrc);
AnnaBridge 156:ff21514d8981 2078
AnnaBridge 156:ff21514d8981 2079 /**
AnnaBridge 156:ff21514d8981 2080 * @brief Instance structure for the Radix-2 Q31 CFFT/CIFFT function.
AnnaBridge 156:ff21514d8981 2081 */
AnnaBridge 156:ff21514d8981 2082 typedef struct
AnnaBridge 156:ff21514d8981 2083 {
AnnaBridge 156:ff21514d8981 2084 uint16_t fftLen; /**< length of the FFT. */
AnnaBridge 156:ff21514d8981 2085 uint8_t ifftFlag; /**< flag that selects forward (ifftFlag=0) or inverse (ifftFlag=1) transform. */
AnnaBridge 156:ff21514d8981 2086 uint8_t bitReverseFlag; /**< flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output. */
AnnaBridge 156:ff21514d8981 2087 q31_t *pTwiddle; /**< points to the Twiddle factor table. */
AnnaBridge 156:ff21514d8981 2088 uint16_t *pBitRevTable; /**< points to the bit reversal table. */
AnnaBridge 156:ff21514d8981 2089 uint16_t twidCoefModifier; /**< twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. */
AnnaBridge 156:ff21514d8981 2090 uint16_t bitRevFactor; /**< bit reversal modifier that supports different size FFTs with the same bit reversal table. */
AnnaBridge 156:ff21514d8981 2091 } arm_cfft_radix2_instance_q31;
AnnaBridge 156:ff21514d8981 2092
AnnaBridge 156:ff21514d8981 2093 /* Deprecated */
AnnaBridge 156:ff21514d8981 2094 arm_status arm_cfft_radix2_init_q31(
AnnaBridge 156:ff21514d8981 2095 arm_cfft_radix2_instance_q31 * S,
AnnaBridge 156:ff21514d8981 2096 uint16_t fftLen,
AnnaBridge 156:ff21514d8981 2097 uint8_t ifftFlag,
AnnaBridge 156:ff21514d8981 2098 uint8_t bitReverseFlag);
AnnaBridge 156:ff21514d8981 2099
AnnaBridge 156:ff21514d8981 2100 /* Deprecated */
AnnaBridge 156:ff21514d8981 2101 void arm_cfft_radix2_q31(
AnnaBridge 156:ff21514d8981 2102 const arm_cfft_radix2_instance_q31 * S,
AnnaBridge 156:ff21514d8981 2103 q31_t * pSrc);
AnnaBridge 156:ff21514d8981 2104
AnnaBridge 156:ff21514d8981 2105 /**
AnnaBridge 156:ff21514d8981 2106 * @brief Instance structure for the Q31 CFFT/CIFFT function.
AnnaBridge 156:ff21514d8981 2107 */
AnnaBridge 156:ff21514d8981 2108 typedef struct
AnnaBridge 156:ff21514d8981 2109 {
AnnaBridge 156:ff21514d8981 2110 uint16_t fftLen; /**< length of the FFT. */
AnnaBridge 156:ff21514d8981 2111 uint8_t ifftFlag; /**< flag that selects forward (ifftFlag=0) or inverse (ifftFlag=1) transform. */
AnnaBridge 156:ff21514d8981 2112 uint8_t bitReverseFlag; /**< flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output. */
AnnaBridge 156:ff21514d8981 2113 q31_t *pTwiddle; /**< points to the twiddle factor table. */
AnnaBridge 156:ff21514d8981 2114 uint16_t *pBitRevTable; /**< points to the bit reversal table. */
AnnaBridge 156:ff21514d8981 2115 uint16_t twidCoefModifier; /**< twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. */
AnnaBridge 156:ff21514d8981 2116 uint16_t bitRevFactor; /**< bit reversal modifier that supports different size FFTs with the same bit reversal table. */
AnnaBridge 156:ff21514d8981 2117 } arm_cfft_radix4_instance_q31;
AnnaBridge 156:ff21514d8981 2118
AnnaBridge 156:ff21514d8981 2119 /* Deprecated */
AnnaBridge 156:ff21514d8981 2120 void arm_cfft_radix4_q31(
AnnaBridge 156:ff21514d8981 2121 const arm_cfft_radix4_instance_q31 * S,
AnnaBridge 156:ff21514d8981 2122 q31_t * pSrc);
AnnaBridge 156:ff21514d8981 2123
AnnaBridge 156:ff21514d8981 2124 /* Deprecated */
AnnaBridge 156:ff21514d8981 2125 arm_status arm_cfft_radix4_init_q31(
AnnaBridge 156:ff21514d8981 2126 arm_cfft_radix4_instance_q31 * S,
AnnaBridge 156:ff21514d8981 2127 uint16_t fftLen,
AnnaBridge 156:ff21514d8981 2128 uint8_t ifftFlag,
AnnaBridge 156:ff21514d8981 2129 uint8_t bitReverseFlag);
AnnaBridge 156:ff21514d8981 2130
AnnaBridge 156:ff21514d8981 2131 /**
AnnaBridge 156:ff21514d8981 2132 * @brief Instance structure for the floating-point CFFT/CIFFT function.
AnnaBridge 156:ff21514d8981 2133 */
AnnaBridge 156:ff21514d8981 2134 typedef struct
AnnaBridge 156:ff21514d8981 2135 {
AnnaBridge 156:ff21514d8981 2136 uint16_t fftLen; /**< length of the FFT. */
AnnaBridge 156:ff21514d8981 2137 uint8_t ifftFlag; /**< flag that selects forward (ifftFlag=0) or inverse (ifftFlag=1) transform. */
AnnaBridge 156:ff21514d8981 2138 uint8_t bitReverseFlag; /**< flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output. */
AnnaBridge 156:ff21514d8981 2139 float32_t *pTwiddle; /**< points to the Twiddle factor table. */
AnnaBridge 156:ff21514d8981 2140 uint16_t *pBitRevTable; /**< points to the bit reversal table. */
AnnaBridge 156:ff21514d8981 2141 uint16_t twidCoefModifier; /**< twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. */
AnnaBridge 156:ff21514d8981 2142 uint16_t bitRevFactor; /**< bit reversal modifier that supports different size FFTs with the same bit reversal table. */
AnnaBridge 156:ff21514d8981 2143 float32_t onebyfftLen; /**< value of 1/fftLen. */
AnnaBridge 156:ff21514d8981 2144 } arm_cfft_radix2_instance_f32;
AnnaBridge 156:ff21514d8981 2145
AnnaBridge 156:ff21514d8981 2146 /* Deprecated */
AnnaBridge 156:ff21514d8981 2147 arm_status arm_cfft_radix2_init_f32(
AnnaBridge 156:ff21514d8981 2148 arm_cfft_radix2_instance_f32 * S,
AnnaBridge 156:ff21514d8981 2149 uint16_t fftLen,
AnnaBridge 156:ff21514d8981 2150 uint8_t ifftFlag,
AnnaBridge 156:ff21514d8981 2151 uint8_t bitReverseFlag);
AnnaBridge 156:ff21514d8981 2152
AnnaBridge 156:ff21514d8981 2153 /* Deprecated */
AnnaBridge 156:ff21514d8981 2154 void arm_cfft_radix2_f32(
AnnaBridge 156:ff21514d8981 2155 const arm_cfft_radix2_instance_f32 * S,
AnnaBridge 156:ff21514d8981 2156 float32_t * pSrc);
AnnaBridge 156:ff21514d8981 2157
AnnaBridge 156:ff21514d8981 2158 /**
AnnaBridge 156:ff21514d8981 2159 * @brief Instance structure for the floating-point CFFT/CIFFT function.
AnnaBridge 156:ff21514d8981 2160 */
AnnaBridge 156:ff21514d8981 2161 typedef struct
AnnaBridge 156:ff21514d8981 2162 {
AnnaBridge 156:ff21514d8981 2163 uint16_t fftLen; /**< length of the FFT. */
AnnaBridge 156:ff21514d8981 2164 uint8_t ifftFlag; /**< flag that selects forward (ifftFlag=0) or inverse (ifftFlag=1) transform. */
AnnaBridge 156:ff21514d8981 2165 uint8_t bitReverseFlag; /**< flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output. */
AnnaBridge 156:ff21514d8981 2166 float32_t *pTwiddle; /**< points to the Twiddle factor table. */
AnnaBridge 156:ff21514d8981 2167 uint16_t *pBitRevTable; /**< points to the bit reversal table. */
AnnaBridge 156:ff21514d8981 2168 uint16_t twidCoefModifier; /**< twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. */
AnnaBridge 156:ff21514d8981 2169 uint16_t bitRevFactor; /**< bit reversal modifier that supports different size FFTs with the same bit reversal table. */
AnnaBridge 156:ff21514d8981 2170 float32_t onebyfftLen; /**< value of 1/fftLen. */
AnnaBridge 156:ff21514d8981 2171 } arm_cfft_radix4_instance_f32;
AnnaBridge 156:ff21514d8981 2172
AnnaBridge 156:ff21514d8981 2173 /* Deprecated */
AnnaBridge 156:ff21514d8981 2174 arm_status arm_cfft_radix4_init_f32(
AnnaBridge 156:ff21514d8981 2175 arm_cfft_radix4_instance_f32 * S,
AnnaBridge 156:ff21514d8981 2176 uint16_t fftLen,
AnnaBridge 156:ff21514d8981 2177 uint8_t ifftFlag,
AnnaBridge 156:ff21514d8981 2178 uint8_t bitReverseFlag);
AnnaBridge 156:ff21514d8981 2179
AnnaBridge 156:ff21514d8981 2180 /* Deprecated */
AnnaBridge 156:ff21514d8981 2181 void arm_cfft_radix4_f32(
AnnaBridge 156:ff21514d8981 2182 const arm_cfft_radix4_instance_f32 * S,
AnnaBridge 156:ff21514d8981 2183 float32_t * pSrc);
AnnaBridge 156:ff21514d8981 2184
AnnaBridge 156:ff21514d8981 2185 /**
AnnaBridge 156:ff21514d8981 2186 * @brief Instance structure for the fixed-point CFFT/CIFFT function.
AnnaBridge 156:ff21514d8981 2187 */
AnnaBridge 156:ff21514d8981 2188 typedef struct
AnnaBridge 156:ff21514d8981 2189 {
AnnaBridge 156:ff21514d8981 2190 uint16_t fftLen; /**< length of the FFT. */
AnnaBridge 156:ff21514d8981 2191 const q15_t *pTwiddle; /**< points to the Twiddle factor table. */
AnnaBridge 156:ff21514d8981 2192 const uint16_t *pBitRevTable; /**< points to the bit reversal table. */
AnnaBridge 156:ff21514d8981 2193 uint16_t bitRevLength; /**< bit reversal table length. */
AnnaBridge 156:ff21514d8981 2194 } arm_cfft_instance_q15;
AnnaBridge 156:ff21514d8981 2195
AnnaBridge 156:ff21514d8981 2196 void arm_cfft_q15(
AnnaBridge 156:ff21514d8981 2197 const arm_cfft_instance_q15 * S,
AnnaBridge 156:ff21514d8981 2198 q15_t * p1,
AnnaBridge 156:ff21514d8981 2199 uint8_t ifftFlag,
AnnaBridge 156:ff21514d8981 2200 uint8_t bitReverseFlag);
AnnaBridge 156:ff21514d8981 2201
AnnaBridge 156:ff21514d8981 2202 /**
AnnaBridge 156:ff21514d8981 2203 * @brief Instance structure for the fixed-point CFFT/CIFFT function.
AnnaBridge 156:ff21514d8981 2204 */
AnnaBridge 156:ff21514d8981 2205 typedef struct
AnnaBridge 156:ff21514d8981 2206 {
AnnaBridge 156:ff21514d8981 2207 uint16_t fftLen; /**< length of the FFT. */
AnnaBridge 156:ff21514d8981 2208 const q31_t *pTwiddle; /**< points to the Twiddle factor table. */
AnnaBridge 156:ff21514d8981 2209 const uint16_t *pBitRevTable; /**< points to the bit reversal table. */
AnnaBridge 156:ff21514d8981 2210 uint16_t bitRevLength; /**< bit reversal table length. */
AnnaBridge 156:ff21514d8981 2211 } arm_cfft_instance_q31;
AnnaBridge 156:ff21514d8981 2212
AnnaBridge 156:ff21514d8981 2213 void arm_cfft_q31(
AnnaBridge 156:ff21514d8981 2214 const arm_cfft_instance_q31 * S,
AnnaBridge 156:ff21514d8981 2215 q31_t * p1,
AnnaBridge 156:ff21514d8981 2216 uint8_t ifftFlag,
AnnaBridge 156:ff21514d8981 2217 uint8_t bitReverseFlag);
AnnaBridge 156:ff21514d8981 2218
AnnaBridge 156:ff21514d8981 2219 /**
AnnaBridge 156:ff21514d8981 2220 * @brief Instance structure for the floating-point CFFT/CIFFT function.
AnnaBridge 156:ff21514d8981 2221 */
AnnaBridge 156:ff21514d8981 2222 typedef struct
AnnaBridge 156:ff21514d8981 2223 {
AnnaBridge 156:ff21514d8981 2224 uint16_t fftLen; /**< length of the FFT. */
AnnaBridge 156:ff21514d8981 2225 const float32_t *pTwiddle; /**< points to the Twiddle factor table. */
AnnaBridge 156:ff21514d8981 2226 const uint16_t *pBitRevTable; /**< points to the bit reversal table. */
AnnaBridge 156:ff21514d8981 2227 uint16_t bitRevLength; /**< bit reversal table length. */
AnnaBridge 156:ff21514d8981 2228 } arm_cfft_instance_f32;
AnnaBridge 156:ff21514d8981 2229
AnnaBridge 156:ff21514d8981 2230 void arm_cfft_f32(
AnnaBridge 156:ff21514d8981 2231 const arm_cfft_instance_f32 * S,
AnnaBridge 156:ff21514d8981 2232 float32_t * p1,
AnnaBridge 156:ff21514d8981 2233 uint8_t ifftFlag,
AnnaBridge 156:ff21514d8981 2234 uint8_t bitReverseFlag);
AnnaBridge 156:ff21514d8981 2235
AnnaBridge 156:ff21514d8981 2236 /**
AnnaBridge 156:ff21514d8981 2237 * @brief Instance structure for the Q15 RFFT/RIFFT function.
AnnaBridge 156:ff21514d8981 2238 */
AnnaBridge 156:ff21514d8981 2239 typedef struct
AnnaBridge 156:ff21514d8981 2240 {
AnnaBridge 156:ff21514d8981 2241 uint32_t fftLenReal; /**< length of the real FFT. */
AnnaBridge 156:ff21514d8981 2242 uint8_t ifftFlagR; /**< flag that selects forward (ifftFlagR=0) or inverse (ifftFlagR=1) transform. */
AnnaBridge 156:ff21514d8981 2243 uint8_t bitReverseFlagR; /**< flag that enables (bitReverseFlagR=1) or disables (bitReverseFlagR=0) bit reversal of output. */
AnnaBridge 156:ff21514d8981 2244 uint32_t twidCoefRModifier; /**< twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. */
AnnaBridge 156:ff21514d8981 2245 q15_t *pTwiddleAReal; /**< points to the real twiddle factor table. */
AnnaBridge 156:ff21514d8981 2246 q15_t *pTwiddleBReal; /**< points to the imag twiddle factor table. */
AnnaBridge 156:ff21514d8981 2247 const arm_cfft_instance_q15 *pCfft; /**< points to the complex FFT instance. */
AnnaBridge 156:ff21514d8981 2248 } arm_rfft_instance_q15;
AnnaBridge 156:ff21514d8981 2249
AnnaBridge 156:ff21514d8981 2250 arm_status arm_rfft_init_q15(
AnnaBridge 156:ff21514d8981 2251 arm_rfft_instance_q15 * S,
AnnaBridge 156:ff21514d8981 2252 uint32_t fftLenReal,
AnnaBridge 156:ff21514d8981 2253 uint32_t ifftFlagR,
AnnaBridge 156:ff21514d8981 2254 uint32_t bitReverseFlag);
AnnaBridge 156:ff21514d8981 2255
AnnaBridge 156:ff21514d8981 2256 void arm_rfft_q15(
AnnaBridge 156:ff21514d8981 2257 const arm_rfft_instance_q15 * S,
AnnaBridge 156:ff21514d8981 2258 q15_t * pSrc,
AnnaBridge 156:ff21514d8981 2259 q15_t * pDst);
AnnaBridge 156:ff21514d8981 2260
AnnaBridge 156:ff21514d8981 2261 /**
AnnaBridge 156:ff21514d8981 2262 * @brief Instance structure for the Q31 RFFT/RIFFT function.
AnnaBridge 156:ff21514d8981 2263 */
AnnaBridge 156:ff21514d8981 2264 typedef struct
AnnaBridge 156:ff21514d8981 2265 {
AnnaBridge 156:ff21514d8981 2266 uint32_t fftLenReal; /**< length of the real FFT. */
AnnaBridge 156:ff21514d8981 2267 uint8_t ifftFlagR; /**< flag that selects forward (ifftFlagR=0) or inverse (ifftFlagR=1) transform. */
AnnaBridge 156:ff21514d8981 2268 uint8_t bitReverseFlagR; /**< flag that enables (bitReverseFlagR=1) or disables (bitReverseFlagR=0) bit reversal of output. */
AnnaBridge 156:ff21514d8981 2269 uint32_t twidCoefRModifier; /**< twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. */
AnnaBridge 156:ff21514d8981 2270 q31_t *pTwiddleAReal; /**< points to the real twiddle factor table. */
AnnaBridge 156:ff21514d8981 2271 q31_t *pTwiddleBReal; /**< points to the imag twiddle factor table. */
AnnaBridge 156:ff21514d8981 2272 const arm_cfft_instance_q31 *pCfft; /**< points to the complex FFT instance. */
AnnaBridge 156:ff21514d8981 2273 } arm_rfft_instance_q31;
AnnaBridge 156:ff21514d8981 2274
AnnaBridge 156:ff21514d8981 2275 arm_status arm_rfft_init_q31(
AnnaBridge 156:ff21514d8981 2276 arm_rfft_instance_q31 * S,
AnnaBridge 156:ff21514d8981 2277 uint32_t fftLenReal,
AnnaBridge 156:ff21514d8981 2278 uint32_t ifftFlagR,
AnnaBridge 156:ff21514d8981 2279 uint32_t bitReverseFlag);
AnnaBridge 156:ff21514d8981 2280
AnnaBridge 156:ff21514d8981 2281 void arm_rfft_q31(
AnnaBridge 156:ff21514d8981 2282 const arm_rfft_instance_q31 * S,
AnnaBridge 156:ff21514d8981 2283 q31_t * pSrc,
AnnaBridge 156:ff21514d8981 2284 q31_t * pDst);
AnnaBridge 156:ff21514d8981 2285
AnnaBridge 156:ff21514d8981 2286 /**
AnnaBridge 156:ff21514d8981 2287 * @brief Instance structure for the floating-point RFFT/RIFFT function.
AnnaBridge 156:ff21514d8981 2288 */
AnnaBridge 156:ff21514d8981 2289 typedef struct
AnnaBridge 156:ff21514d8981 2290 {
AnnaBridge 156:ff21514d8981 2291 uint32_t fftLenReal; /**< length of the real FFT. */
AnnaBridge 156:ff21514d8981 2292 uint16_t fftLenBy2; /**< length of the complex FFT. */
AnnaBridge 156:ff21514d8981 2293 uint8_t ifftFlagR; /**< flag that selects forward (ifftFlagR=0) or inverse (ifftFlagR=1) transform. */
AnnaBridge 156:ff21514d8981 2294 uint8_t bitReverseFlagR; /**< flag that enables (bitReverseFlagR=1) or disables (bitReverseFlagR=0) bit reversal of output. */
AnnaBridge 156:ff21514d8981 2295 uint32_t twidCoefRModifier; /**< twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. */
AnnaBridge 156:ff21514d8981 2296 float32_t *pTwiddleAReal; /**< points to the real twiddle factor table. */
AnnaBridge 156:ff21514d8981 2297 float32_t *pTwiddleBReal; /**< points to the imag twiddle factor table. */
AnnaBridge 156:ff21514d8981 2298 arm_cfft_radix4_instance_f32 *pCfft; /**< points to the complex FFT instance. */
AnnaBridge 156:ff21514d8981 2299 } arm_rfft_instance_f32;
AnnaBridge 156:ff21514d8981 2300
AnnaBridge 156:ff21514d8981 2301 arm_status arm_rfft_init_f32(
AnnaBridge 156:ff21514d8981 2302 arm_rfft_instance_f32 * S,
AnnaBridge 156:ff21514d8981 2303 arm_cfft_radix4_instance_f32 * S_CFFT,
AnnaBridge 156:ff21514d8981 2304 uint32_t fftLenReal,
AnnaBridge 156:ff21514d8981 2305 uint32_t ifftFlagR,
AnnaBridge 156:ff21514d8981 2306 uint32_t bitReverseFlag);
AnnaBridge 156:ff21514d8981 2307
AnnaBridge 156:ff21514d8981 2308 void arm_rfft_f32(
AnnaBridge 156:ff21514d8981 2309 const arm_rfft_instance_f32 * S,
AnnaBridge 156:ff21514d8981 2310 float32_t * pSrc,
AnnaBridge 156:ff21514d8981 2311 float32_t * pDst);
AnnaBridge 156:ff21514d8981 2312
AnnaBridge 156:ff21514d8981 2313 /**
AnnaBridge 156:ff21514d8981 2314 * @brief Instance structure for the floating-point RFFT/RIFFT function.
AnnaBridge 156:ff21514d8981 2315 */
AnnaBridge 156:ff21514d8981 2316 typedef struct
AnnaBridge 156:ff21514d8981 2317 {
AnnaBridge 156:ff21514d8981 2318 arm_cfft_instance_f32 Sint; /**< Internal CFFT structure. */
AnnaBridge 156:ff21514d8981 2319 uint16_t fftLenRFFT; /**< length of the real sequence */
AnnaBridge 156:ff21514d8981 2320 float32_t * pTwiddleRFFT; /**< Twiddle factors real stage */
AnnaBridge 156:ff21514d8981 2321 } arm_rfft_fast_instance_f32 ;
AnnaBridge 156:ff21514d8981 2322
AnnaBridge 156:ff21514d8981 2323 arm_status arm_rfft_fast_init_f32 (
AnnaBridge 156:ff21514d8981 2324 arm_rfft_fast_instance_f32 * S,
AnnaBridge 156:ff21514d8981 2325 uint16_t fftLen);
AnnaBridge 156:ff21514d8981 2326
AnnaBridge 156:ff21514d8981 2327 void arm_rfft_fast_f32(
AnnaBridge 156:ff21514d8981 2328 arm_rfft_fast_instance_f32 * S,
AnnaBridge 156:ff21514d8981 2329 float32_t * p, float32_t * pOut,
AnnaBridge 156:ff21514d8981 2330 uint8_t ifftFlag);
AnnaBridge 156:ff21514d8981 2331
AnnaBridge 156:ff21514d8981 2332 /**
AnnaBridge 156:ff21514d8981 2333 * @brief Instance structure for the floating-point DCT4/IDCT4 function.
AnnaBridge 156:ff21514d8981 2334 */
AnnaBridge 156:ff21514d8981 2335 typedef struct
AnnaBridge 156:ff21514d8981 2336 {
AnnaBridge 156:ff21514d8981 2337 uint16_t N; /**< length of the DCT4. */
AnnaBridge 156:ff21514d8981 2338 uint16_t Nby2; /**< half of the length of the DCT4. */
AnnaBridge 156:ff21514d8981 2339 float32_t normalize; /**< normalizing factor. */
AnnaBridge 156:ff21514d8981 2340 float32_t *pTwiddle; /**< points to the twiddle factor table. */
AnnaBridge 156:ff21514d8981 2341 float32_t *pCosFactor; /**< points to the cosFactor table. */
AnnaBridge 156:ff21514d8981 2342 arm_rfft_instance_f32 *pRfft; /**< points to the real FFT instance. */
AnnaBridge 156:ff21514d8981 2343 arm_cfft_radix4_instance_f32 *pCfft; /**< points to the complex FFT instance. */
AnnaBridge 156:ff21514d8981 2344 } arm_dct4_instance_f32;
AnnaBridge 156:ff21514d8981 2345
AnnaBridge 156:ff21514d8981 2346
AnnaBridge 156:ff21514d8981 2347 /**
AnnaBridge 156:ff21514d8981 2348 * @brief Initialization function for the floating-point DCT4/IDCT4.
AnnaBridge 156:ff21514d8981 2349 * @param[in,out] S points to an instance of floating-point DCT4/IDCT4 structure.
AnnaBridge 156:ff21514d8981 2350 * @param[in] S_RFFT points to an instance of floating-point RFFT/RIFFT structure.
AnnaBridge 156:ff21514d8981 2351 * @param[in] S_CFFT points to an instance of floating-point CFFT/CIFFT structure.
AnnaBridge 156:ff21514d8981 2352 * @param[in] N length of the DCT4.
AnnaBridge 156:ff21514d8981 2353 * @param[in] Nby2 half of the length of the DCT4.
AnnaBridge 156:ff21514d8981 2354 * @param[in] normalize normalizing factor.
AnnaBridge 156:ff21514d8981 2355 * @return arm_status function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_ARGUMENT_ERROR if <code>fftLenReal</code> is not a supported transform length.
AnnaBridge 156:ff21514d8981 2356 */
AnnaBridge 156:ff21514d8981 2357 arm_status arm_dct4_init_f32(
AnnaBridge 156:ff21514d8981 2358 arm_dct4_instance_f32 * S,
AnnaBridge 156:ff21514d8981 2359 arm_rfft_instance_f32 * S_RFFT,
AnnaBridge 156:ff21514d8981 2360 arm_cfft_radix4_instance_f32 * S_CFFT,
AnnaBridge 156:ff21514d8981 2361 uint16_t N,
AnnaBridge 156:ff21514d8981 2362 uint16_t Nby2,
AnnaBridge 156:ff21514d8981 2363 float32_t normalize);
AnnaBridge 156:ff21514d8981 2364
AnnaBridge 156:ff21514d8981 2365
AnnaBridge 156:ff21514d8981 2366 /**
AnnaBridge 156:ff21514d8981 2367 * @brief Processing function for the floating-point DCT4/IDCT4.
AnnaBridge 156:ff21514d8981 2368 * @param[in] S points to an instance of the floating-point DCT4/IDCT4 structure.
AnnaBridge 156:ff21514d8981 2369 * @param[in] pState points to state buffer.
AnnaBridge 156:ff21514d8981 2370 * @param[in,out] pInlineBuffer points to the in-place input and output buffer.
AnnaBridge 156:ff21514d8981 2371 */
AnnaBridge 156:ff21514d8981 2372 void arm_dct4_f32(
AnnaBridge 156:ff21514d8981 2373 const arm_dct4_instance_f32 * S,
AnnaBridge 156:ff21514d8981 2374 float32_t * pState,
AnnaBridge 156:ff21514d8981 2375 float32_t * pInlineBuffer);
AnnaBridge 156:ff21514d8981 2376
AnnaBridge 156:ff21514d8981 2377
AnnaBridge 156:ff21514d8981 2378 /**
AnnaBridge 156:ff21514d8981 2379 * @brief Instance structure for the Q31 DCT4/IDCT4 function.
AnnaBridge 156:ff21514d8981 2380 */
AnnaBridge 156:ff21514d8981 2381 typedef struct
AnnaBridge 156:ff21514d8981 2382 {
AnnaBridge 156:ff21514d8981 2383 uint16_t N; /**< length of the DCT4. */
AnnaBridge 156:ff21514d8981 2384 uint16_t Nby2; /**< half of the length of the DCT4. */
AnnaBridge 156:ff21514d8981 2385 q31_t normalize; /**< normalizing factor. */
AnnaBridge 156:ff21514d8981 2386 q31_t *pTwiddle; /**< points to the twiddle factor table. */
AnnaBridge 156:ff21514d8981 2387 q31_t *pCosFactor; /**< points to the cosFactor table. */
AnnaBridge 156:ff21514d8981 2388 arm_rfft_instance_q31 *pRfft; /**< points to the real FFT instance. */
AnnaBridge 156:ff21514d8981 2389 arm_cfft_radix4_instance_q31 *pCfft; /**< points to the complex FFT instance. */
AnnaBridge 156:ff21514d8981 2390 } arm_dct4_instance_q31;
AnnaBridge 156:ff21514d8981 2391
AnnaBridge 156:ff21514d8981 2392
AnnaBridge 156:ff21514d8981 2393 /**
AnnaBridge 156:ff21514d8981 2394 * @brief Initialization function for the Q31 DCT4/IDCT4.
AnnaBridge 156:ff21514d8981 2395 * @param[in,out] S points to an instance of Q31 DCT4/IDCT4 structure.
AnnaBridge 156:ff21514d8981 2396 * @param[in] S_RFFT points to an instance of Q31 RFFT/RIFFT structure
AnnaBridge 156:ff21514d8981 2397 * @param[in] S_CFFT points to an instance of Q31 CFFT/CIFFT structure
AnnaBridge 156:ff21514d8981 2398 * @param[in] N length of the DCT4.
AnnaBridge 156:ff21514d8981 2399 * @param[in] Nby2 half of the length of the DCT4.
AnnaBridge 156:ff21514d8981 2400 * @param[in] normalize normalizing factor.
AnnaBridge 156:ff21514d8981 2401 * @return arm_status function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_ARGUMENT_ERROR if <code>N</code> is not a supported transform length.
AnnaBridge 156:ff21514d8981 2402 */
AnnaBridge 156:ff21514d8981 2403 arm_status arm_dct4_init_q31(
AnnaBridge 156:ff21514d8981 2404 arm_dct4_instance_q31 * S,
AnnaBridge 156:ff21514d8981 2405 arm_rfft_instance_q31 * S_RFFT,
AnnaBridge 156:ff21514d8981 2406 arm_cfft_radix4_instance_q31 * S_CFFT,
AnnaBridge 156:ff21514d8981 2407 uint16_t N,
AnnaBridge 156:ff21514d8981 2408 uint16_t Nby2,
AnnaBridge 156:ff21514d8981 2409 q31_t normalize);
AnnaBridge 156:ff21514d8981 2410
AnnaBridge 156:ff21514d8981 2411
AnnaBridge 156:ff21514d8981 2412 /**
AnnaBridge 156:ff21514d8981 2413 * @brief Processing function for the Q31 DCT4/IDCT4.
AnnaBridge 156:ff21514d8981 2414 * @param[in] S points to an instance of the Q31 DCT4 structure.
AnnaBridge 156:ff21514d8981 2415 * @param[in] pState points to state buffer.
AnnaBridge 156:ff21514d8981 2416 * @param[in,out] pInlineBuffer points to the in-place input and output buffer.
AnnaBridge 156:ff21514d8981 2417 */
AnnaBridge 156:ff21514d8981 2418 void arm_dct4_q31(
AnnaBridge 156:ff21514d8981 2419 const arm_dct4_instance_q31 * S,
AnnaBridge 156:ff21514d8981 2420 q31_t * pState,
AnnaBridge 156:ff21514d8981 2421 q31_t * pInlineBuffer);
AnnaBridge 156:ff21514d8981 2422
AnnaBridge 156:ff21514d8981 2423
AnnaBridge 156:ff21514d8981 2424 /**
AnnaBridge 156:ff21514d8981 2425 * @brief Instance structure for the Q15 DCT4/IDCT4 function.
AnnaBridge 156:ff21514d8981 2426 */
AnnaBridge 156:ff21514d8981 2427 typedef struct
AnnaBridge 156:ff21514d8981 2428 {
AnnaBridge 156:ff21514d8981 2429 uint16_t N; /**< length of the DCT4. */
AnnaBridge 156:ff21514d8981 2430 uint16_t Nby2; /**< half of the length of the DCT4. */
AnnaBridge 156:ff21514d8981 2431 q15_t normalize; /**< normalizing factor. */
AnnaBridge 156:ff21514d8981 2432 q15_t *pTwiddle; /**< points to the twiddle factor table. */
AnnaBridge 156:ff21514d8981 2433 q15_t *pCosFactor; /**< points to the cosFactor table. */
AnnaBridge 156:ff21514d8981 2434 arm_rfft_instance_q15 *pRfft; /**< points to the real FFT instance. */
AnnaBridge 156:ff21514d8981 2435 arm_cfft_radix4_instance_q15 *pCfft; /**< points to the complex FFT instance. */
AnnaBridge 156:ff21514d8981 2436 } arm_dct4_instance_q15;
AnnaBridge 156:ff21514d8981 2437
AnnaBridge 156:ff21514d8981 2438
AnnaBridge 156:ff21514d8981 2439 /**
AnnaBridge 156:ff21514d8981 2440 * @brief Initialization function for the Q15 DCT4/IDCT4.
AnnaBridge 156:ff21514d8981 2441 * @param[in,out] S points to an instance of Q15 DCT4/IDCT4 structure.
AnnaBridge 156:ff21514d8981 2442 * @param[in] S_RFFT points to an instance of Q15 RFFT/RIFFT structure.
AnnaBridge 156:ff21514d8981 2443 * @param[in] S_CFFT points to an instance of Q15 CFFT/CIFFT structure.
AnnaBridge 156:ff21514d8981 2444 * @param[in] N length of the DCT4.
AnnaBridge 156:ff21514d8981 2445 * @param[in] Nby2 half of the length of the DCT4.
AnnaBridge 156:ff21514d8981 2446 * @param[in] normalize normalizing factor.
AnnaBridge 156:ff21514d8981 2447 * @return arm_status function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_ARGUMENT_ERROR if <code>N</code> is not a supported transform length.
AnnaBridge 156:ff21514d8981 2448 */
AnnaBridge 156:ff21514d8981 2449 arm_status arm_dct4_init_q15(
AnnaBridge 156:ff21514d8981 2450 arm_dct4_instance_q15 * S,
AnnaBridge 156:ff21514d8981 2451 arm_rfft_instance_q15 * S_RFFT,
AnnaBridge 156:ff21514d8981 2452 arm_cfft_radix4_instance_q15 * S_CFFT,
AnnaBridge 156:ff21514d8981 2453 uint16_t N,
AnnaBridge 156:ff21514d8981 2454 uint16_t Nby2,
AnnaBridge 156:ff21514d8981 2455 q15_t normalize);
AnnaBridge 156:ff21514d8981 2456
AnnaBridge 156:ff21514d8981 2457
AnnaBridge 156:ff21514d8981 2458 /**
AnnaBridge 156:ff21514d8981 2459 * @brief Processing function for the Q15 DCT4/IDCT4.
AnnaBridge 156:ff21514d8981 2460 * @param[in] S points to an instance of the Q15 DCT4 structure.
AnnaBridge 156:ff21514d8981 2461 * @param[in] pState points to state buffer.
AnnaBridge 156:ff21514d8981 2462 * @param[in,out] pInlineBuffer points to the in-place input and output buffer.
AnnaBridge 156:ff21514d8981 2463 */
AnnaBridge 156:ff21514d8981 2464 void arm_dct4_q15(
AnnaBridge 156:ff21514d8981 2465 const arm_dct4_instance_q15 * S,
AnnaBridge 156:ff21514d8981 2466 q15_t * pState,
AnnaBridge 156:ff21514d8981 2467 q15_t * pInlineBuffer);
AnnaBridge 156:ff21514d8981 2468
AnnaBridge 156:ff21514d8981 2469
AnnaBridge 156:ff21514d8981 2470 /**
AnnaBridge 156:ff21514d8981 2471 * @brief Floating-point vector addition.
AnnaBridge 156:ff21514d8981 2472 * @param[in] pSrcA points to the first input vector
AnnaBridge 156:ff21514d8981 2473 * @param[in] pSrcB points to the second input vector
AnnaBridge 156:ff21514d8981 2474 * @param[out] pDst points to the output vector
AnnaBridge 156:ff21514d8981 2475 * @param[in] blockSize number of samples in each vector
AnnaBridge 156:ff21514d8981 2476 */
AnnaBridge 156:ff21514d8981 2477 void arm_add_f32(
AnnaBridge 156:ff21514d8981 2478 float32_t * pSrcA,
AnnaBridge 156:ff21514d8981 2479 float32_t * pSrcB,
AnnaBridge 156:ff21514d8981 2480 float32_t * pDst,
AnnaBridge 156:ff21514d8981 2481 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 2482
AnnaBridge 156:ff21514d8981 2483
AnnaBridge 156:ff21514d8981 2484 /**
AnnaBridge 156:ff21514d8981 2485 * @brief Q7 vector addition.
AnnaBridge 156:ff21514d8981 2486 * @param[in] pSrcA points to the first input vector
AnnaBridge 156:ff21514d8981 2487 * @param[in] pSrcB points to the second input vector
AnnaBridge 156:ff21514d8981 2488 * @param[out] pDst points to the output vector
AnnaBridge 156:ff21514d8981 2489 * @param[in] blockSize number of samples in each vector
AnnaBridge 156:ff21514d8981 2490 */
AnnaBridge 156:ff21514d8981 2491 void arm_add_q7(
AnnaBridge 156:ff21514d8981 2492 q7_t * pSrcA,
AnnaBridge 156:ff21514d8981 2493 q7_t * pSrcB,
AnnaBridge 156:ff21514d8981 2494 q7_t * pDst,
AnnaBridge 156:ff21514d8981 2495 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 2496
AnnaBridge 156:ff21514d8981 2497
AnnaBridge 156:ff21514d8981 2498 /**
AnnaBridge 156:ff21514d8981 2499 * @brief Q15 vector addition.
AnnaBridge 156:ff21514d8981 2500 * @param[in] pSrcA points to the first input vector
AnnaBridge 156:ff21514d8981 2501 * @param[in] pSrcB points to the second input vector
AnnaBridge 156:ff21514d8981 2502 * @param[out] pDst points to the output vector
AnnaBridge 156:ff21514d8981 2503 * @param[in] blockSize number of samples in each vector
AnnaBridge 156:ff21514d8981 2504 */
AnnaBridge 156:ff21514d8981 2505 void arm_add_q15(
AnnaBridge 156:ff21514d8981 2506 q15_t * pSrcA,
AnnaBridge 156:ff21514d8981 2507 q15_t * pSrcB,
AnnaBridge 156:ff21514d8981 2508 q15_t * pDst,
AnnaBridge 156:ff21514d8981 2509 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 2510
AnnaBridge 156:ff21514d8981 2511
AnnaBridge 156:ff21514d8981 2512 /**
AnnaBridge 156:ff21514d8981 2513 * @brief Q31 vector addition.
AnnaBridge 156:ff21514d8981 2514 * @param[in] pSrcA points to the first input vector
AnnaBridge 156:ff21514d8981 2515 * @param[in] pSrcB points to the second input vector
AnnaBridge 156:ff21514d8981 2516 * @param[out] pDst points to the output vector
AnnaBridge 156:ff21514d8981 2517 * @param[in] blockSize number of samples in each vector
AnnaBridge 156:ff21514d8981 2518 */
AnnaBridge 156:ff21514d8981 2519 void arm_add_q31(
AnnaBridge 156:ff21514d8981 2520 q31_t * pSrcA,
AnnaBridge 156:ff21514d8981 2521 q31_t * pSrcB,
AnnaBridge 156:ff21514d8981 2522 q31_t * pDst,
AnnaBridge 156:ff21514d8981 2523 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 2524
AnnaBridge 156:ff21514d8981 2525
AnnaBridge 156:ff21514d8981 2526 /**
AnnaBridge 156:ff21514d8981 2527 * @brief Floating-point vector subtraction.
AnnaBridge 156:ff21514d8981 2528 * @param[in] pSrcA points to the first input vector
AnnaBridge 156:ff21514d8981 2529 * @param[in] pSrcB points to the second input vector
AnnaBridge 156:ff21514d8981 2530 * @param[out] pDst points to the output vector
AnnaBridge 156:ff21514d8981 2531 * @param[in] blockSize number of samples in each vector
AnnaBridge 156:ff21514d8981 2532 */
AnnaBridge 156:ff21514d8981 2533 void arm_sub_f32(
AnnaBridge 156:ff21514d8981 2534 float32_t * pSrcA,
AnnaBridge 156:ff21514d8981 2535 float32_t * pSrcB,
AnnaBridge 156:ff21514d8981 2536 float32_t * pDst,
AnnaBridge 156:ff21514d8981 2537 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 2538
AnnaBridge 156:ff21514d8981 2539
AnnaBridge 156:ff21514d8981 2540 /**
AnnaBridge 156:ff21514d8981 2541 * @brief Q7 vector subtraction.
AnnaBridge 156:ff21514d8981 2542 * @param[in] pSrcA points to the first input vector
AnnaBridge 156:ff21514d8981 2543 * @param[in] pSrcB points to the second input vector
AnnaBridge 156:ff21514d8981 2544 * @param[out] pDst points to the output vector
AnnaBridge 156:ff21514d8981 2545 * @param[in] blockSize number of samples in each vector
AnnaBridge 156:ff21514d8981 2546 */
AnnaBridge 156:ff21514d8981 2547 void arm_sub_q7(
AnnaBridge 156:ff21514d8981 2548 q7_t * pSrcA,
AnnaBridge 156:ff21514d8981 2549 q7_t * pSrcB,
AnnaBridge 156:ff21514d8981 2550 q7_t * pDst,
AnnaBridge 156:ff21514d8981 2551 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 2552
AnnaBridge 156:ff21514d8981 2553
AnnaBridge 156:ff21514d8981 2554 /**
AnnaBridge 156:ff21514d8981 2555 * @brief Q15 vector subtraction.
AnnaBridge 156:ff21514d8981 2556 * @param[in] pSrcA points to the first input vector
AnnaBridge 156:ff21514d8981 2557 * @param[in] pSrcB points to the second input vector
AnnaBridge 156:ff21514d8981 2558 * @param[out] pDst points to the output vector
AnnaBridge 156:ff21514d8981 2559 * @param[in] blockSize number of samples in each vector
AnnaBridge 156:ff21514d8981 2560 */
AnnaBridge 156:ff21514d8981 2561 void arm_sub_q15(
AnnaBridge 156:ff21514d8981 2562 q15_t * pSrcA,
AnnaBridge 156:ff21514d8981 2563 q15_t * pSrcB,
AnnaBridge 156:ff21514d8981 2564 q15_t * pDst,
AnnaBridge 156:ff21514d8981 2565 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 2566
AnnaBridge 156:ff21514d8981 2567
AnnaBridge 156:ff21514d8981 2568 /**
AnnaBridge 156:ff21514d8981 2569 * @brief Q31 vector subtraction.
AnnaBridge 156:ff21514d8981 2570 * @param[in] pSrcA points to the first input vector
AnnaBridge 156:ff21514d8981 2571 * @param[in] pSrcB points to the second input vector
AnnaBridge 156:ff21514d8981 2572 * @param[out] pDst points to the output vector
AnnaBridge 156:ff21514d8981 2573 * @param[in] blockSize number of samples in each vector
AnnaBridge 156:ff21514d8981 2574 */
AnnaBridge 156:ff21514d8981 2575 void arm_sub_q31(
AnnaBridge 156:ff21514d8981 2576 q31_t * pSrcA,
AnnaBridge 156:ff21514d8981 2577 q31_t * pSrcB,
AnnaBridge 156:ff21514d8981 2578 q31_t * pDst,
AnnaBridge 156:ff21514d8981 2579 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 2580
AnnaBridge 156:ff21514d8981 2581
AnnaBridge 156:ff21514d8981 2582 /**
AnnaBridge 156:ff21514d8981 2583 * @brief Multiplies a floating-point vector by a scalar.
AnnaBridge 156:ff21514d8981 2584 * @param[in] pSrc points to the input vector
AnnaBridge 156:ff21514d8981 2585 * @param[in] scale scale factor to be applied
AnnaBridge 156:ff21514d8981 2586 * @param[out] pDst points to the output vector
AnnaBridge 156:ff21514d8981 2587 * @param[in] blockSize number of samples in the vector
AnnaBridge 156:ff21514d8981 2588 */
AnnaBridge 156:ff21514d8981 2589 void arm_scale_f32(
AnnaBridge 156:ff21514d8981 2590 float32_t * pSrc,
AnnaBridge 156:ff21514d8981 2591 float32_t scale,
AnnaBridge 156:ff21514d8981 2592 float32_t * pDst,
AnnaBridge 156:ff21514d8981 2593 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 2594
AnnaBridge 156:ff21514d8981 2595
AnnaBridge 156:ff21514d8981 2596 /**
AnnaBridge 156:ff21514d8981 2597 * @brief Multiplies a Q7 vector by a scalar.
AnnaBridge 156:ff21514d8981 2598 * @param[in] pSrc points to the input vector
AnnaBridge 156:ff21514d8981 2599 * @param[in] scaleFract fractional portion of the scale value
AnnaBridge 156:ff21514d8981 2600 * @param[in] shift number of bits to shift the result by
AnnaBridge 156:ff21514d8981 2601 * @param[out] pDst points to the output vector
AnnaBridge 156:ff21514d8981 2602 * @param[in] blockSize number of samples in the vector
AnnaBridge 156:ff21514d8981 2603 */
AnnaBridge 156:ff21514d8981 2604 void arm_scale_q7(
AnnaBridge 156:ff21514d8981 2605 q7_t * pSrc,
AnnaBridge 156:ff21514d8981 2606 q7_t scaleFract,
AnnaBridge 156:ff21514d8981 2607 int8_t shift,
AnnaBridge 156:ff21514d8981 2608 q7_t * pDst,
AnnaBridge 156:ff21514d8981 2609 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 2610
AnnaBridge 156:ff21514d8981 2611
AnnaBridge 156:ff21514d8981 2612 /**
AnnaBridge 156:ff21514d8981 2613 * @brief Multiplies a Q15 vector by a scalar.
AnnaBridge 156:ff21514d8981 2614 * @param[in] pSrc points to the input vector
AnnaBridge 156:ff21514d8981 2615 * @param[in] scaleFract fractional portion of the scale value
AnnaBridge 156:ff21514d8981 2616 * @param[in] shift number of bits to shift the result by
AnnaBridge 156:ff21514d8981 2617 * @param[out] pDst points to the output vector
AnnaBridge 156:ff21514d8981 2618 * @param[in] blockSize number of samples in the vector
AnnaBridge 156:ff21514d8981 2619 */
AnnaBridge 156:ff21514d8981 2620 void arm_scale_q15(
AnnaBridge 156:ff21514d8981 2621 q15_t * pSrc,
AnnaBridge 156:ff21514d8981 2622 q15_t scaleFract,
AnnaBridge 156:ff21514d8981 2623 int8_t shift,
AnnaBridge 156:ff21514d8981 2624 q15_t * pDst,
AnnaBridge 156:ff21514d8981 2625 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 2626
AnnaBridge 156:ff21514d8981 2627
AnnaBridge 156:ff21514d8981 2628 /**
AnnaBridge 156:ff21514d8981 2629 * @brief Multiplies a Q31 vector by a scalar.
AnnaBridge 156:ff21514d8981 2630 * @param[in] pSrc points to the input vector
AnnaBridge 156:ff21514d8981 2631 * @param[in] scaleFract fractional portion of the scale value
AnnaBridge 156:ff21514d8981 2632 * @param[in] shift number of bits to shift the result by
AnnaBridge 156:ff21514d8981 2633 * @param[out] pDst points to the output vector
AnnaBridge 156:ff21514d8981 2634 * @param[in] blockSize number of samples in the vector
AnnaBridge 156:ff21514d8981 2635 */
AnnaBridge 156:ff21514d8981 2636 void arm_scale_q31(
AnnaBridge 156:ff21514d8981 2637 q31_t * pSrc,
AnnaBridge 156:ff21514d8981 2638 q31_t scaleFract,
AnnaBridge 156:ff21514d8981 2639 int8_t shift,
AnnaBridge 156:ff21514d8981 2640 q31_t * pDst,
AnnaBridge 156:ff21514d8981 2641 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 2642
AnnaBridge 156:ff21514d8981 2643
AnnaBridge 156:ff21514d8981 2644 /**
AnnaBridge 156:ff21514d8981 2645 * @brief Q7 vector absolute value.
AnnaBridge 156:ff21514d8981 2646 * @param[in] pSrc points to the input buffer
AnnaBridge 156:ff21514d8981 2647 * @param[out] pDst points to the output buffer
AnnaBridge 156:ff21514d8981 2648 * @param[in] blockSize number of samples in each vector
AnnaBridge 156:ff21514d8981 2649 */
AnnaBridge 156:ff21514d8981 2650 void arm_abs_q7(
AnnaBridge 156:ff21514d8981 2651 q7_t * pSrc,
AnnaBridge 156:ff21514d8981 2652 q7_t * pDst,
AnnaBridge 156:ff21514d8981 2653 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 2654
AnnaBridge 156:ff21514d8981 2655
AnnaBridge 156:ff21514d8981 2656 /**
AnnaBridge 156:ff21514d8981 2657 * @brief Floating-point vector absolute value.
AnnaBridge 156:ff21514d8981 2658 * @param[in] pSrc points to the input buffer
AnnaBridge 156:ff21514d8981 2659 * @param[out] pDst points to the output buffer
AnnaBridge 156:ff21514d8981 2660 * @param[in] blockSize number of samples in each vector
AnnaBridge 156:ff21514d8981 2661 */
AnnaBridge 156:ff21514d8981 2662 void arm_abs_f32(
AnnaBridge 156:ff21514d8981 2663 float32_t * pSrc,
AnnaBridge 156:ff21514d8981 2664 float32_t * pDst,
AnnaBridge 156:ff21514d8981 2665 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 2666
AnnaBridge 156:ff21514d8981 2667
AnnaBridge 156:ff21514d8981 2668 /**
AnnaBridge 156:ff21514d8981 2669 * @brief Q15 vector absolute value.
AnnaBridge 156:ff21514d8981 2670 * @param[in] pSrc points to the input buffer
AnnaBridge 156:ff21514d8981 2671 * @param[out] pDst points to the output buffer
AnnaBridge 156:ff21514d8981 2672 * @param[in] blockSize number of samples in each vector
AnnaBridge 156:ff21514d8981 2673 */
AnnaBridge 156:ff21514d8981 2674 void arm_abs_q15(
AnnaBridge 156:ff21514d8981 2675 q15_t * pSrc,
AnnaBridge 156:ff21514d8981 2676 q15_t * pDst,
AnnaBridge 156:ff21514d8981 2677 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 2678
AnnaBridge 156:ff21514d8981 2679
AnnaBridge 156:ff21514d8981 2680 /**
AnnaBridge 156:ff21514d8981 2681 * @brief Q31 vector absolute value.
AnnaBridge 156:ff21514d8981 2682 * @param[in] pSrc points to the input buffer
AnnaBridge 156:ff21514d8981 2683 * @param[out] pDst points to the output buffer
AnnaBridge 156:ff21514d8981 2684 * @param[in] blockSize number of samples in each vector
AnnaBridge 156:ff21514d8981 2685 */
AnnaBridge 156:ff21514d8981 2686 void arm_abs_q31(
AnnaBridge 156:ff21514d8981 2687 q31_t * pSrc,
AnnaBridge 156:ff21514d8981 2688 q31_t * pDst,
AnnaBridge 156:ff21514d8981 2689 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 2690
AnnaBridge 156:ff21514d8981 2691
AnnaBridge 156:ff21514d8981 2692 /**
AnnaBridge 156:ff21514d8981 2693 * @brief Dot product of floating-point vectors.
AnnaBridge 156:ff21514d8981 2694 * @param[in] pSrcA points to the first input vector
AnnaBridge 156:ff21514d8981 2695 * @param[in] pSrcB points to the second input vector
AnnaBridge 156:ff21514d8981 2696 * @param[in] blockSize number of samples in each vector
AnnaBridge 156:ff21514d8981 2697 * @param[out] result output result returned here
AnnaBridge 156:ff21514d8981 2698 */
AnnaBridge 156:ff21514d8981 2699 void arm_dot_prod_f32(
AnnaBridge 156:ff21514d8981 2700 float32_t * pSrcA,
AnnaBridge 156:ff21514d8981 2701 float32_t * pSrcB,
AnnaBridge 156:ff21514d8981 2702 uint32_t blockSize,
AnnaBridge 156:ff21514d8981 2703 float32_t * result);
AnnaBridge 156:ff21514d8981 2704
AnnaBridge 156:ff21514d8981 2705
AnnaBridge 156:ff21514d8981 2706 /**
AnnaBridge 156:ff21514d8981 2707 * @brief Dot product of Q7 vectors.
AnnaBridge 156:ff21514d8981 2708 * @param[in] pSrcA points to the first input vector
AnnaBridge 156:ff21514d8981 2709 * @param[in] pSrcB points to the second input vector
AnnaBridge 156:ff21514d8981 2710 * @param[in] blockSize number of samples in each vector
AnnaBridge 156:ff21514d8981 2711 * @param[out] result output result returned here
AnnaBridge 156:ff21514d8981 2712 */
AnnaBridge 156:ff21514d8981 2713 void arm_dot_prod_q7(
AnnaBridge 156:ff21514d8981 2714 q7_t * pSrcA,
AnnaBridge 156:ff21514d8981 2715 q7_t * pSrcB,
AnnaBridge 156:ff21514d8981 2716 uint32_t blockSize,
AnnaBridge 156:ff21514d8981 2717 q31_t * result);
AnnaBridge 156:ff21514d8981 2718
AnnaBridge 156:ff21514d8981 2719
AnnaBridge 156:ff21514d8981 2720 /**
AnnaBridge 156:ff21514d8981 2721 * @brief Dot product of Q15 vectors.
AnnaBridge 156:ff21514d8981 2722 * @param[in] pSrcA points to the first input vector
AnnaBridge 156:ff21514d8981 2723 * @param[in] pSrcB points to the second input vector
AnnaBridge 156:ff21514d8981 2724 * @param[in] blockSize number of samples in each vector
AnnaBridge 156:ff21514d8981 2725 * @param[out] result output result returned here
AnnaBridge 156:ff21514d8981 2726 */
AnnaBridge 156:ff21514d8981 2727 void arm_dot_prod_q15(
AnnaBridge 156:ff21514d8981 2728 q15_t * pSrcA,
AnnaBridge 156:ff21514d8981 2729 q15_t * pSrcB,
AnnaBridge 156:ff21514d8981 2730 uint32_t blockSize,
AnnaBridge 156:ff21514d8981 2731 q63_t * result);
AnnaBridge 156:ff21514d8981 2732
AnnaBridge 156:ff21514d8981 2733
AnnaBridge 156:ff21514d8981 2734 /**
AnnaBridge 156:ff21514d8981 2735 * @brief Dot product of Q31 vectors.
AnnaBridge 156:ff21514d8981 2736 * @param[in] pSrcA points to the first input vector
AnnaBridge 156:ff21514d8981 2737 * @param[in] pSrcB points to the second input vector
AnnaBridge 156:ff21514d8981 2738 * @param[in] blockSize number of samples in each vector
AnnaBridge 156:ff21514d8981 2739 * @param[out] result output result returned here
AnnaBridge 156:ff21514d8981 2740 */
AnnaBridge 156:ff21514d8981 2741 void arm_dot_prod_q31(
AnnaBridge 156:ff21514d8981 2742 q31_t * pSrcA,
AnnaBridge 156:ff21514d8981 2743 q31_t * pSrcB,
AnnaBridge 156:ff21514d8981 2744 uint32_t blockSize,
AnnaBridge 156:ff21514d8981 2745 q63_t * result);
AnnaBridge 156:ff21514d8981 2746
AnnaBridge 156:ff21514d8981 2747
AnnaBridge 156:ff21514d8981 2748 /**
AnnaBridge 156:ff21514d8981 2749 * @brief Shifts the elements of a Q7 vector a specified number of bits.
AnnaBridge 156:ff21514d8981 2750 * @param[in] pSrc points to the input vector
AnnaBridge 156:ff21514d8981 2751 * @param[in] shiftBits number of bits to shift. A positive value shifts left; a negative value shifts right.
AnnaBridge 156:ff21514d8981 2752 * @param[out] pDst points to the output vector
AnnaBridge 156:ff21514d8981 2753 * @param[in] blockSize number of samples in the vector
AnnaBridge 156:ff21514d8981 2754 */
AnnaBridge 156:ff21514d8981 2755 void arm_shift_q7(
AnnaBridge 156:ff21514d8981 2756 q7_t * pSrc,
AnnaBridge 156:ff21514d8981 2757 int8_t shiftBits,
AnnaBridge 156:ff21514d8981 2758 q7_t * pDst,
AnnaBridge 156:ff21514d8981 2759 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 2760
AnnaBridge 156:ff21514d8981 2761
AnnaBridge 156:ff21514d8981 2762 /**
AnnaBridge 156:ff21514d8981 2763 * @brief Shifts the elements of a Q15 vector a specified number of bits.
AnnaBridge 156:ff21514d8981 2764 * @param[in] pSrc points to the input vector
AnnaBridge 156:ff21514d8981 2765 * @param[in] shiftBits number of bits to shift. A positive value shifts left; a negative value shifts right.
AnnaBridge 156:ff21514d8981 2766 * @param[out] pDst points to the output vector
AnnaBridge 156:ff21514d8981 2767 * @param[in] blockSize number of samples in the vector
AnnaBridge 156:ff21514d8981 2768 */
AnnaBridge 156:ff21514d8981 2769 void arm_shift_q15(
AnnaBridge 156:ff21514d8981 2770 q15_t * pSrc,
AnnaBridge 156:ff21514d8981 2771 int8_t shiftBits,
AnnaBridge 156:ff21514d8981 2772 q15_t * pDst,
AnnaBridge 156:ff21514d8981 2773 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 2774
AnnaBridge 156:ff21514d8981 2775
AnnaBridge 156:ff21514d8981 2776 /**
AnnaBridge 156:ff21514d8981 2777 * @brief Shifts the elements of a Q31 vector a specified number of bits.
AnnaBridge 156:ff21514d8981 2778 * @param[in] pSrc points to the input vector
AnnaBridge 156:ff21514d8981 2779 * @param[in] shiftBits number of bits to shift. A positive value shifts left; a negative value shifts right.
AnnaBridge 156:ff21514d8981 2780 * @param[out] pDst points to the output vector
AnnaBridge 156:ff21514d8981 2781 * @param[in] blockSize number of samples in the vector
AnnaBridge 156:ff21514d8981 2782 */
AnnaBridge 156:ff21514d8981 2783 void arm_shift_q31(
AnnaBridge 156:ff21514d8981 2784 q31_t * pSrc,
AnnaBridge 156:ff21514d8981 2785 int8_t shiftBits,
AnnaBridge 156:ff21514d8981 2786 q31_t * pDst,
AnnaBridge 156:ff21514d8981 2787 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 2788
AnnaBridge 156:ff21514d8981 2789
AnnaBridge 156:ff21514d8981 2790 /**
AnnaBridge 156:ff21514d8981 2791 * @brief Adds a constant offset to a floating-point vector.
AnnaBridge 156:ff21514d8981 2792 * @param[in] pSrc points to the input vector
AnnaBridge 156:ff21514d8981 2793 * @param[in] offset is the offset to be added
AnnaBridge 156:ff21514d8981 2794 * @param[out] pDst points to the output vector
AnnaBridge 156:ff21514d8981 2795 * @param[in] blockSize number of samples in the vector
AnnaBridge 156:ff21514d8981 2796 */
AnnaBridge 156:ff21514d8981 2797 void arm_offset_f32(
AnnaBridge 156:ff21514d8981 2798 float32_t * pSrc,
AnnaBridge 156:ff21514d8981 2799 float32_t offset,
AnnaBridge 156:ff21514d8981 2800 float32_t * pDst,
AnnaBridge 156:ff21514d8981 2801 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 2802
AnnaBridge 156:ff21514d8981 2803
AnnaBridge 156:ff21514d8981 2804 /**
AnnaBridge 156:ff21514d8981 2805 * @brief Adds a constant offset to a Q7 vector.
AnnaBridge 156:ff21514d8981 2806 * @param[in] pSrc points to the input vector
AnnaBridge 156:ff21514d8981 2807 * @param[in] offset is the offset to be added
AnnaBridge 156:ff21514d8981 2808 * @param[out] pDst points to the output vector
AnnaBridge 156:ff21514d8981 2809 * @param[in] blockSize number of samples in the vector
AnnaBridge 156:ff21514d8981 2810 */
AnnaBridge 156:ff21514d8981 2811 void arm_offset_q7(
AnnaBridge 156:ff21514d8981 2812 q7_t * pSrc,
AnnaBridge 156:ff21514d8981 2813 q7_t offset,
AnnaBridge 156:ff21514d8981 2814 q7_t * pDst,
AnnaBridge 156:ff21514d8981 2815 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 2816
AnnaBridge 156:ff21514d8981 2817
AnnaBridge 156:ff21514d8981 2818 /**
AnnaBridge 156:ff21514d8981 2819 * @brief Adds a constant offset to a Q15 vector.
AnnaBridge 156:ff21514d8981 2820 * @param[in] pSrc points to the input vector
AnnaBridge 156:ff21514d8981 2821 * @param[in] offset is the offset to be added
AnnaBridge 156:ff21514d8981 2822 * @param[out] pDst points to the output vector
AnnaBridge 156:ff21514d8981 2823 * @param[in] blockSize number of samples in the vector
AnnaBridge 156:ff21514d8981 2824 */
AnnaBridge 156:ff21514d8981 2825 void arm_offset_q15(
AnnaBridge 156:ff21514d8981 2826 q15_t * pSrc,
AnnaBridge 156:ff21514d8981 2827 q15_t offset,
AnnaBridge 156:ff21514d8981 2828 q15_t * pDst,
AnnaBridge 156:ff21514d8981 2829 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 2830
AnnaBridge 156:ff21514d8981 2831
AnnaBridge 156:ff21514d8981 2832 /**
AnnaBridge 156:ff21514d8981 2833 * @brief Adds a constant offset to a Q31 vector.
AnnaBridge 156:ff21514d8981 2834 * @param[in] pSrc points to the input vector
AnnaBridge 156:ff21514d8981 2835 * @param[in] offset is the offset to be added
AnnaBridge 156:ff21514d8981 2836 * @param[out] pDst points to the output vector
AnnaBridge 156:ff21514d8981 2837 * @param[in] blockSize number of samples in the vector
AnnaBridge 156:ff21514d8981 2838 */
AnnaBridge 156:ff21514d8981 2839 void arm_offset_q31(
AnnaBridge 156:ff21514d8981 2840 q31_t * pSrc,
AnnaBridge 156:ff21514d8981 2841 q31_t offset,
AnnaBridge 156:ff21514d8981 2842 q31_t * pDst,
AnnaBridge 156:ff21514d8981 2843 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 2844
AnnaBridge 156:ff21514d8981 2845
AnnaBridge 156:ff21514d8981 2846 /**
AnnaBridge 156:ff21514d8981 2847 * @brief Negates the elements of a floating-point vector.
AnnaBridge 156:ff21514d8981 2848 * @param[in] pSrc points to the input vector
AnnaBridge 156:ff21514d8981 2849 * @param[out] pDst points to the output vector
AnnaBridge 156:ff21514d8981 2850 * @param[in] blockSize number of samples in the vector
AnnaBridge 156:ff21514d8981 2851 */
AnnaBridge 156:ff21514d8981 2852 void arm_negate_f32(
AnnaBridge 156:ff21514d8981 2853 float32_t * pSrc,
AnnaBridge 156:ff21514d8981 2854 float32_t * pDst,
AnnaBridge 156:ff21514d8981 2855 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 2856
AnnaBridge 156:ff21514d8981 2857
AnnaBridge 156:ff21514d8981 2858 /**
AnnaBridge 156:ff21514d8981 2859 * @brief Negates the elements of a Q7 vector.
AnnaBridge 156:ff21514d8981 2860 * @param[in] pSrc points to the input vector
AnnaBridge 156:ff21514d8981 2861 * @param[out] pDst points to the output vector
AnnaBridge 156:ff21514d8981 2862 * @param[in] blockSize number of samples in the vector
AnnaBridge 156:ff21514d8981 2863 */
AnnaBridge 156:ff21514d8981 2864 void arm_negate_q7(
AnnaBridge 156:ff21514d8981 2865 q7_t * pSrc,
AnnaBridge 156:ff21514d8981 2866 q7_t * pDst,
AnnaBridge 156:ff21514d8981 2867 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 2868
AnnaBridge 156:ff21514d8981 2869
AnnaBridge 156:ff21514d8981 2870 /**
AnnaBridge 156:ff21514d8981 2871 * @brief Negates the elements of a Q15 vector.
AnnaBridge 156:ff21514d8981 2872 * @param[in] pSrc points to the input vector
AnnaBridge 156:ff21514d8981 2873 * @param[out] pDst points to the output vector
AnnaBridge 156:ff21514d8981 2874 * @param[in] blockSize number of samples in the vector
AnnaBridge 156:ff21514d8981 2875 */
AnnaBridge 156:ff21514d8981 2876 void arm_negate_q15(
AnnaBridge 156:ff21514d8981 2877 q15_t * pSrc,
AnnaBridge 156:ff21514d8981 2878 q15_t * pDst,
AnnaBridge 156:ff21514d8981 2879 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 2880
AnnaBridge 156:ff21514d8981 2881
AnnaBridge 156:ff21514d8981 2882 /**
AnnaBridge 156:ff21514d8981 2883 * @brief Negates the elements of a Q31 vector.
AnnaBridge 156:ff21514d8981 2884 * @param[in] pSrc points to the input vector
AnnaBridge 156:ff21514d8981 2885 * @param[out] pDst points to the output vector
AnnaBridge 156:ff21514d8981 2886 * @param[in] blockSize number of samples in the vector
AnnaBridge 156:ff21514d8981 2887 */
AnnaBridge 156:ff21514d8981 2888 void arm_negate_q31(
AnnaBridge 156:ff21514d8981 2889 q31_t * pSrc,
AnnaBridge 156:ff21514d8981 2890 q31_t * pDst,
AnnaBridge 156:ff21514d8981 2891 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 2892
AnnaBridge 156:ff21514d8981 2893
AnnaBridge 156:ff21514d8981 2894 /**
AnnaBridge 156:ff21514d8981 2895 * @brief Copies the elements of a floating-point vector.
AnnaBridge 156:ff21514d8981 2896 * @param[in] pSrc input pointer
AnnaBridge 156:ff21514d8981 2897 * @param[out] pDst output pointer
AnnaBridge 156:ff21514d8981 2898 * @param[in] blockSize number of samples to process
AnnaBridge 156:ff21514d8981 2899 */
AnnaBridge 156:ff21514d8981 2900 void arm_copy_f32(
AnnaBridge 156:ff21514d8981 2901 float32_t * pSrc,
AnnaBridge 156:ff21514d8981 2902 float32_t * pDst,
AnnaBridge 156:ff21514d8981 2903 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 2904
AnnaBridge 156:ff21514d8981 2905
AnnaBridge 156:ff21514d8981 2906 /**
AnnaBridge 156:ff21514d8981 2907 * @brief Copies the elements of a Q7 vector.
AnnaBridge 156:ff21514d8981 2908 * @param[in] pSrc input pointer
AnnaBridge 156:ff21514d8981 2909 * @param[out] pDst output pointer
AnnaBridge 156:ff21514d8981 2910 * @param[in] blockSize number of samples to process
AnnaBridge 156:ff21514d8981 2911 */
AnnaBridge 156:ff21514d8981 2912 void arm_copy_q7(
AnnaBridge 156:ff21514d8981 2913 q7_t * pSrc,
AnnaBridge 156:ff21514d8981 2914 q7_t * pDst,
AnnaBridge 156:ff21514d8981 2915 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 2916
AnnaBridge 156:ff21514d8981 2917
AnnaBridge 156:ff21514d8981 2918 /**
AnnaBridge 156:ff21514d8981 2919 * @brief Copies the elements of a Q15 vector.
AnnaBridge 156:ff21514d8981 2920 * @param[in] pSrc input pointer
AnnaBridge 156:ff21514d8981 2921 * @param[out] pDst output pointer
AnnaBridge 156:ff21514d8981 2922 * @param[in] blockSize number of samples to process
AnnaBridge 156:ff21514d8981 2923 */
AnnaBridge 156:ff21514d8981 2924 void arm_copy_q15(
AnnaBridge 156:ff21514d8981 2925 q15_t * pSrc,
AnnaBridge 156:ff21514d8981 2926 q15_t * pDst,
AnnaBridge 156:ff21514d8981 2927 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 2928
AnnaBridge 156:ff21514d8981 2929
AnnaBridge 156:ff21514d8981 2930 /**
AnnaBridge 156:ff21514d8981 2931 * @brief Copies the elements of a Q31 vector.
AnnaBridge 156:ff21514d8981 2932 * @param[in] pSrc input pointer
AnnaBridge 156:ff21514d8981 2933 * @param[out] pDst output pointer
AnnaBridge 156:ff21514d8981 2934 * @param[in] blockSize number of samples to process
AnnaBridge 156:ff21514d8981 2935 */
AnnaBridge 156:ff21514d8981 2936 void arm_copy_q31(
AnnaBridge 156:ff21514d8981 2937 q31_t * pSrc,
AnnaBridge 156:ff21514d8981 2938 q31_t * pDst,
AnnaBridge 156:ff21514d8981 2939 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 2940
AnnaBridge 156:ff21514d8981 2941
AnnaBridge 156:ff21514d8981 2942 /**
AnnaBridge 156:ff21514d8981 2943 * @brief Fills a constant value into a floating-point vector.
AnnaBridge 156:ff21514d8981 2944 * @param[in] value input value to be filled
AnnaBridge 156:ff21514d8981 2945 * @param[out] pDst output pointer
AnnaBridge 156:ff21514d8981 2946 * @param[in] blockSize number of samples to process
AnnaBridge 156:ff21514d8981 2947 */
AnnaBridge 156:ff21514d8981 2948 void arm_fill_f32(
AnnaBridge 156:ff21514d8981 2949 float32_t value,
AnnaBridge 156:ff21514d8981 2950 float32_t * pDst,
AnnaBridge 156:ff21514d8981 2951 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 2952
AnnaBridge 156:ff21514d8981 2953
AnnaBridge 156:ff21514d8981 2954 /**
AnnaBridge 156:ff21514d8981 2955 * @brief Fills a constant value into a Q7 vector.
AnnaBridge 156:ff21514d8981 2956 * @param[in] value input value to be filled
AnnaBridge 156:ff21514d8981 2957 * @param[out] pDst output pointer
AnnaBridge 156:ff21514d8981 2958 * @param[in] blockSize number of samples to process
AnnaBridge 156:ff21514d8981 2959 */
AnnaBridge 156:ff21514d8981 2960 void arm_fill_q7(
AnnaBridge 156:ff21514d8981 2961 q7_t value,
AnnaBridge 156:ff21514d8981 2962 q7_t * pDst,
AnnaBridge 156:ff21514d8981 2963 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 2964
AnnaBridge 156:ff21514d8981 2965
AnnaBridge 156:ff21514d8981 2966 /**
AnnaBridge 156:ff21514d8981 2967 * @brief Fills a constant value into a Q15 vector.
AnnaBridge 156:ff21514d8981 2968 * @param[in] value input value to be filled
AnnaBridge 156:ff21514d8981 2969 * @param[out] pDst output pointer
AnnaBridge 156:ff21514d8981 2970 * @param[in] blockSize number of samples to process
AnnaBridge 156:ff21514d8981 2971 */
AnnaBridge 156:ff21514d8981 2972 void arm_fill_q15(
AnnaBridge 156:ff21514d8981 2973 q15_t value,
AnnaBridge 156:ff21514d8981 2974 q15_t * pDst,
AnnaBridge 156:ff21514d8981 2975 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 2976
AnnaBridge 156:ff21514d8981 2977
AnnaBridge 156:ff21514d8981 2978 /**
AnnaBridge 156:ff21514d8981 2979 * @brief Fills a constant value into a Q31 vector.
AnnaBridge 156:ff21514d8981 2980 * @param[in] value input value to be filled
AnnaBridge 156:ff21514d8981 2981 * @param[out] pDst output pointer
AnnaBridge 156:ff21514d8981 2982 * @param[in] blockSize number of samples to process
AnnaBridge 156:ff21514d8981 2983 */
AnnaBridge 156:ff21514d8981 2984 void arm_fill_q31(
AnnaBridge 156:ff21514d8981 2985 q31_t value,
AnnaBridge 156:ff21514d8981 2986 q31_t * pDst,
AnnaBridge 156:ff21514d8981 2987 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 2988
AnnaBridge 156:ff21514d8981 2989
AnnaBridge 156:ff21514d8981 2990 /**
AnnaBridge 156:ff21514d8981 2991 * @brief Convolution of floating-point sequences.
AnnaBridge 156:ff21514d8981 2992 * @param[in] pSrcA points to the first input sequence.
AnnaBridge 156:ff21514d8981 2993 * @param[in] srcALen length of the first input sequence.
AnnaBridge 156:ff21514d8981 2994 * @param[in] pSrcB points to the second input sequence.
AnnaBridge 156:ff21514d8981 2995 * @param[in] srcBLen length of the second input sequence.
AnnaBridge 156:ff21514d8981 2996 * @param[out] pDst points to the location where the output result is written. Length srcALen+srcBLen-1.
AnnaBridge 156:ff21514d8981 2997 */
AnnaBridge 156:ff21514d8981 2998 void arm_conv_f32(
AnnaBridge 156:ff21514d8981 2999 float32_t * pSrcA,
AnnaBridge 156:ff21514d8981 3000 uint32_t srcALen,
AnnaBridge 156:ff21514d8981 3001 float32_t * pSrcB,
AnnaBridge 156:ff21514d8981 3002 uint32_t srcBLen,
AnnaBridge 156:ff21514d8981 3003 float32_t * pDst);
AnnaBridge 156:ff21514d8981 3004
AnnaBridge 156:ff21514d8981 3005
AnnaBridge 156:ff21514d8981 3006 /**
AnnaBridge 156:ff21514d8981 3007 * @brief Convolution of Q15 sequences.
AnnaBridge 156:ff21514d8981 3008 * @param[in] pSrcA points to the first input sequence.
AnnaBridge 156:ff21514d8981 3009 * @param[in] srcALen length of the first input sequence.
AnnaBridge 156:ff21514d8981 3010 * @param[in] pSrcB points to the second input sequence.
AnnaBridge 156:ff21514d8981 3011 * @param[in] srcBLen length of the second input sequence.
AnnaBridge 156:ff21514d8981 3012 * @param[out] pDst points to the block of output data Length srcALen+srcBLen-1.
AnnaBridge 156:ff21514d8981 3013 * @param[in] pScratch1 points to scratch buffer of size max(srcALen, srcBLen) + 2*min(srcALen, srcBLen) - 2.
AnnaBridge 156:ff21514d8981 3014 * @param[in] pScratch2 points to scratch buffer of size min(srcALen, srcBLen).
AnnaBridge 156:ff21514d8981 3015 */
AnnaBridge 156:ff21514d8981 3016 void arm_conv_opt_q15(
AnnaBridge 156:ff21514d8981 3017 q15_t * pSrcA,
AnnaBridge 156:ff21514d8981 3018 uint32_t srcALen,
AnnaBridge 156:ff21514d8981 3019 q15_t * pSrcB,
AnnaBridge 156:ff21514d8981 3020 uint32_t srcBLen,
AnnaBridge 156:ff21514d8981 3021 q15_t * pDst,
AnnaBridge 156:ff21514d8981 3022 q15_t * pScratch1,
AnnaBridge 156:ff21514d8981 3023 q15_t * pScratch2);
AnnaBridge 156:ff21514d8981 3024
AnnaBridge 156:ff21514d8981 3025
AnnaBridge 156:ff21514d8981 3026 /**
AnnaBridge 156:ff21514d8981 3027 * @brief Convolution of Q15 sequences.
AnnaBridge 156:ff21514d8981 3028 * @param[in] pSrcA points to the first input sequence.
AnnaBridge 156:ff21514d8981 3029 * @param[in] srcALen length of the first input sequence.
AnnaBridge 156:ff21514d8981 3030 * @param[in] pSrcB points to the second input sequence.
AnnaBridge 156:ff21514d8981 3031 * @param[in] srcBLen length of the second input sequence.
AnnaBridge 156:ff21514d8981 3032 * @param[out] pDst points to the location where the output result is written. Length srcALen+srcBLen-1.
AnnaBridge 156:ff21514d8981 3033 */
AnnaBridge 156:ff21514d8981 3034 void arm_conv_q15(
AnnaBridge 156:ff21514d8981 3035 q15_t * pSrcA,
AnnaBridge 156:ff21514d8981 3036 uint32_t srcALen,
AnnaBridge 156:ff21514d8981 3037 q15_t * pSrcB,
AnnaBridge 156:ff21514d8981 3038 uint32_t srcBLen,
AnnaBridge 156:ff21514d8981 3039 q15_t * pDst);
AnnaBridge 156:ff21514d8981 3040
AnnaBridge 156:ff21514d8981 3041
AnnaBridge 156:ff21514d8981 3042 /**
AnnaBridge 156:ff21514d8981 3043 * @brief Convolution of Q15 sequences (fast version) for Cortex-M3 and Cortex-M4
AnnaBridge 156:ff21514d8981 3044 * @param[in] pSrcA points to the first input sequence.
AnnaBridge 156:ff21514d8981 3045 * @param[in] srcALen length of the first input sequence.
AnnaBridge 156:ff21514d8981 3046 * @param[in] pSrcB points to the second input sequence.
AnnaBridge 156:ff21514d8981 3047 * @param[in] srcBLen length of the second input sequence.
AnnaBridge 156:ff21514d8981 3048 * @param[out] pDst points to the block of output data Length srcALen+srcBLen-1.
AnnaBridge 156:ff21514d8981 3049 */
AnnaBridge 156:ff21514d8981 3050 void arm_conv_fast_q15(
AnnaBridge 156:ff21514d8981 3051 q15_t * pSrcA,
AnnaBridge 156:ff21514d8981 3052 uint32_t srcALen,
AnnaBridge 156:ff21514d8981 3053 q15_t * pSrcB,
AnnaBridge 156:ff21514d8981 3054 uint32_t srcBLen,
AnnaBridge 156:ff21514d8981 3055 q15_t * pDst);
AnnaBridge 156:ff21514d8981 3056
AnnaBridge 156:ff21514d8981 3057
AnnaBridge 156:ff21514d8981 3058 /**
AnnaBridge 156:ff21514d8981 3059 * @brief Convolution of Q15 sequences (fast version) for Cortex-M3 and Cortex-M4
AnnaBridge 156:ff21514d8981 3060 * @param[in] pSrcA points to the first input sequence.
AnnaBridge 156:ff21514d8981 3061 * @param[in] srcALen length of the first input sequence.
AnnaBridge 156:ff21514d8981 3062 * @param[in] pSrcB points to the second input sequence.
AnnaBridge 156:ff21514d8981 3063 * @param[in] srcBLen length of the second input sequence.
AnnaBridge 156:ff21514d8981 3064 * @param[out] pDst points to the block of output data Length srcALen+srcBLen-1.
AnnaBridge 156:ff21514d8981 3065 * @param[in] pScratch1 points to scratch buffer of size max(srcALen, srcBLen) + 2*min(srcALen, srcBLen) - 2.
AnnaBridge 156:ff21514d8981 3066 * @param[in] pScratch2 points to scratch buffer of size min(srcALen, srcBLen).
AnnaBridge 156:ff21514d8981 3067 */
AnnaBridge 156:ff21514d8981 3068 void arm_conv_fast_opt_q15(
AnnaBridge 156:ff21514d8981 3069 q15_t * pSrcA,
AnnaBridge 156:ff21514d8981 3070 uint32_t srcALen,
AnnaBridge 156:ff21514d8981 3071 q15_t * pSrcB,
AnnaBridge 156:ff21514d8981 3072 uint32_t srcBLen,
AnnaBridge 156:ff21514d8981 3073 q15_t * pDst,
AnnaBridge 156:ff21514d8981 3074 q15_t * pScratch1,
AnnaBridge 156:ff21514d8981 3075 q15_t * pScratch2);
AnnaBridge 156:ff21514d8981 3076
AnnaBridge 156:ff21514d8981 3077
AnnaBridge 156:ff21514d8981 3078 /**
AnnaBridge 156:ff21514d8981 3079 * @brief Convolution of Q31 sequences.
AnnaBridge 156:ff21514d8981 3080 * @param[in] pSrcA points to the first input sequence.
AnnaBridge 156:ff21514d8981 3081 * @param[in] srcALen length of the first input sequence.
AnnaBridge 156:ff21514d8981 3082 * @param[in] pSrcB points to the second input sequence.
AnnaBridge 156:ff21514d8981 3083 * @param[in] srcBLen length of the second input sequence.
AnnaBridge 156:ff21514d8981 3084 * @param[out] pDst points to the block of output data Length srcALen+srcBLen-1.
AnnaBridge 156:ff21514d8981 3085 */
AnnaBridge 156:ff21514d8981 3086 void arm_conv_q31(
AnnaBridge 156:ff21514d8981 3087 q31_t * pSrcA,
AnnaBridge 156:ff21514d8981 3088 uint32_t srcALen,
AnnaBridge 156:ff21514d8981 3089 q31_t * pSrcB,
AnnaBridge 156:ff21514d8981 3090 uint32_t srcBLen,
AnnaBridge 156:ff21514d8981 3091 q31_t * pDst);
AnnaBridge 156:ff21514d8981 3092
AnnaBridge 156:ff21514d8981 3093
AnnaBridge 156:ff21514d8981 3094 /**
AnnaBridge 156:ff21514d8981 3095 * @brief Convolution of Q31 sequences (fast version) for Cortex-M3 and Cortex-M4
AnnaBridge 156:ff21514d8981 3096 * @param[in] pSrcA points to the first input sequence.
AnnaBridge 156:ff21514d8981 3097 * @param[in] srcALen length of the first input sequence.
AnnaBridge 156:ff21514d8981 3098 * @param[in] pSrcB points to the second input sequence.
AnnaBridge 156:ff21514d8981 3099 * @param[in] srcBLen length of the second input sequence.
AnnaBridge 156:ff21514d8981 3100 * @param[out] pDst points to the block of output data Length srcALen+srcBLen-1.
AnnaBridge 156:ff21514d8981 3101 */
AnnaBridge 156:ff21514d8981 3102 void arm_conv_fast_q31(
AnnaBridge 156:ff21514d8981 3103 q31_t * pSrcA,
AnnaBridge 156:ff21514d8981 3104 uint32_t srcALen,
AnnaBridge 156:ff21514d8981 3105 q31_t * pSrcB,
AnnaBridge 156:ff21514d8981 3106 uint32_t srcBLen,
AnnaBridge 156:ff21514d8981 3107 q31_t * pDst);
AnnaBridge 156:ff21514d8981 3108
AnnaBridge 156:ff21514d8981 3109
AnnaBridge 156:ff21514d8981 3110 /**
AnnaBridge 156:ff21514d8981 3111 * @brief Convolution of Q7 sequences.
AnnaBridge 156:ff21514d8981 3112 * @param[in] pSrcA points to the first input sequence.
AnnaBridge 156:ff21514d8981 3113 * @param[in] srcALen length of the first input sequence.
AnnaBridge 156:ff21514d8981 3114 * @param[in] pSrcB points to the second input sequence.
AnnaBridge 156:ff21514d8981 3115 * @param[in] srcBLen length of the second input sequence.
AnnaBridge 156:ff21514d8981 3116 * @param[out] pDst points to the block of output data Length srcALen+srcBLen-1.
AnnaBridge 156:ff21514d8981 3117 * @param[in] pScratch1 points to scratch buffer(of type q15_t) of size max(srcALen, srcBLen) + 2*min(srcALen, srcBLen) - 2.
AnnaBridge 156:ff21514d8981 3118 * @param[in] pScratch2 points to scratch buffer (of type q15_t) of size min(srcALen, srcBLen).
AnnaBridge 156:ff21514d8981 3119 */
AnnaBridge 156:ff21514d8981 3120 void arm_conv_opt_q7(
AnnaBridge 156:ff21514d8981 3121 q7_t * pSrcA,
AnnaBridge 156:ff21514d8981 3122 uint32_t srcALen,
AnnaBridge 156:ff21514d8981 3123 q7_t * pSrcB,
AnnaBridge 156:ff21514d8981 3124 uint32_t srcBLen,
AnnaBridge 156:ff21514d8981 3125 q7_t * pDst,
AnnaBridge 156:ff21514d8981 3126 q15_t * pScratch1,
AnnaBridge 156:ff21514d8981 3127 q15_t * pScratch2);
AnnaBridge 156:ff21514d8981 3128
AnnaBridge 156:ff21514d8981 3129
AnnaBridge 156:ff21514d8981 3130 /**
AnnaBridge 156:ff21514d8981 3131 * @brief Convolution of Q7 sequences.
AnnaBridge 156:ff21514d8981 3132 * @param[in] pSrcA points to the first input sequence.
AnnaBridge 156:ff21514d8981 3133 * @param[in] srcALen length of the first input sequence.
AnnaBridge 156:ff21514d8981 3134 * @param[in] pSrcB points to the second input sequence.
AnnaBridge 156:ff21514d8981 3135 * @param[in] srcBLen length of the second input sequence.
AnnaBridge 156:ff21514d8981 3136 * @param[out] pDst points to the block of output data Length srcALen+srcBLen-1.
AnnaBridge 156:ff21514d8981 3137 */
AnnaBridge 156:ff21514d8981 3138 void arm_conv_q7(
AnnaBridge 156:ff21514d8981 3139 q7_t * pSrcA,
AnnaBridge 156:ff21514d8981 3140 uint32_t srcALen,
AnnaBridge 156:ff21514d8981 3141 q7_t * pSrcB,
AnnaBridge 156:ff21514d8981 3142 uint32_t srcBLen,
AnnaBridge 156:ff21514d8981 3143 q7_t * pDst);
AnnaBridge 156:ff21514d8981 3144
AnnaBridge 156:ff21514d8981 3145
AnnaBridge 156:ff21514d8981 3146 /**
AnnaBridge 156:ff21514d8981 3147 * @brief Partial convolution of floating-point sequences.
AnnaBridge 156:ff21514d8981 3148 * @param[in] pSrcA points to the first input sequence.
AnnaBridge 156:ff21514d8981 3149 * @param[in] srcALen length of the first input sequence.
AnnaBridge 156:ff21514d8981 3150 * @param[in] pSrcB points to the second input sequence.
AnnaBridge 156:ff21514d8981 3151 * @param[in] srcBLen length of the second input sequence.
AnnaBridge 156:ff21514d8981 3152 * @param[out] pDst points to the block of output data
AnnaBridge 156:ff21514d8981 3153 * @param[in] firstIndex is the first output sample to start with.
AnnaBridge 156:ff21514d8981 3154 * @param[in] numPoints is the number of output points to be computed.
AnnaBridge 156:ff21514d8981 3155 * @return Returns either ARM_MATH_SUCCESS if the function completed correctly or ARM_MATH_ARGUMENT_ERROR if the requested subset is not in the range [0 srcALen+srcBLen-2].
AnnaBridge 156:ff21514d8981 3156 */
AnnaBridge 156:ff21514d8981 3157 arm_status arm_conv_partial_f32(
AnnaBridge 156:ff21514d8981 3158 float32_t * pSrcA,
AnnaBridge 156:ff21514d8981 3159 uint32_t srcALen,
AnnaBridge 156:ff21514d8981 3160 float32_t * pSrcB,
AnnaBridge 156:ff21514d8981 3161 uint32_t srcBLen,
AnnaBridge 156:ff21514d8981 3162 float32_t * pDst,
AnnaBridge 156:ff21514d8981 3163 uint32_t firstIndex,
AnnaBridge 156:ff21514d8981 3164 uint32_t numPoints);
AnnaBridge 156:ff21514d8981 3165
AnnaBridge 156:ff21514d8981 3166
AnnaBridge 156:ff21514d8981 3167 /**
AnnaBridge 156:ff21514d8981 3168 * @brief Partial convolution of Q15 sequences.
AnnaBridge 156:ff21514d8981 3169 * @param[in] pSrcA points to the first input sequence.
AnnaBridge 156:ff21514d8981 3170 * @param[in] srcALen length of the first input sequence.
AnnaBridge 156:ff21514d8981 3171 * @param[in] pSrcB points to the second input sequence.
AnnaBridge 156:ff21514d8981 3172 * @param[in] srcBLen length of the second input sequence.
AnnaBridge 156:ff21514d8981 3173 * @param[out] pDst points to the block of output data
AnnaBridge 156:ff21514d8981 3174 * @param[in] firstIndex is the first output sample to start with.
AnnaBridge 156:ff21514d8981 3175 * @param[in] numPoints is the number of output points to be computed.
AnnaBridge 156:ff21514d8981 3176 * @param[in] pScratch1 points to scratch buffer of size max(srcALen, srcBLen) + 2*min(srcALen, srcBLen) - 2.
AnnaBridge 156:ff21514d8981 3177 * @param[in] pScratch2 points to scratch buffer of size min(srcALen, srcBLen).
AnnaBridge 156:ff21514d8981 3178 * @return Returns either ARM_MATH_SUCCESS if the function completed correctly or ARM_MATH_ARGUMENT_ERROR if the requested subset is not in the range [0 srcALen+srcBLen-2].
AnnaBridge 156:ff21514d8981 3179 */
AnnaBridge 156:ff21514d8981 3180 arm_status arm_conv_partial_opt_q15(
AnnaBridge 156:ff21514d8981 3181 q15_t * pSrcA,
AnnaBridge 156:ff21514d8981 3182 uint32_t srcALen,
AnnaBridge 156:ff21514d8981 3183 q15_t * pSrcB,
AnnaBridge 156:ff21514d8981 3184 uint32_t srcBLen,
AnnaBridge 156:ff21514d8981 3185 q15_t * pDst,
AnnaBridge 156:ff21514d8981 3186 uint32_t firstIndex,
AnnaBridge 156:ff21514d8981 3187 uint32_t numPoints,
AnnaBridge 156:ff21514d8981 3188 q15_t * pScratch1,
AnnaBridge 156:ff21514d8981 3189 q15_t * pScratch2);
AnnaBridge 156:ff21514d8981 3190
AnnaBridge 156:ff21514d8981 3191
AnnaBridge 156:ff21514d8981 3192 /**
AnnaBridge 156:ff21514d8981 3193 * @brief Partial convolution of Q15 sequences.
AnnaBridge 156:ff21514d8981 3194 * @param[in] pSrcA points to the first input sequence.
AnnaBridge 156:ff21514d8981 3195 * @param[in] srcALen length of the first input sequence.
AnnaBridge 156:ff21514d8981 3196 * @param[in] pSrcB points to the second input sequence.
AnnaBridge 156:ff21514d8981 3197 * @param[in] srcBLen length of the second input sequence.
AnnaBridge 156:ff21514d8981 3198 * @param[out] pDst points to the block of output data
AnnaBridge 156:ff21514d8981 3199 * @param[in] firstIndex is the first output sample to start with.
AnnaBridge 156:ff21514d8981 3200 * @param[in] numPoints is the number of output points to be computed.
AnnaBridge 156:ff21514d8981 3201 * @return Returns either ARM_MATH_SUCCESS if the function completed correctly or ARM_MATH_ARGUMENT_ERROR if the requested subset is not in the range [0 srcALen+srcBLen-2].
AnnaBridge 156:ff21514d8981 3202 */
AnnaBridge 156:ff21514d8981 3203 arm_status arm_conv_partial_q15(
AnnaBridge 156:ff21514d8981 3204 q15_t * pSrcA,
AnnaBridge 156:ff21514d8981 3205 uint32_t srcALen,
AnnaBridge 156:ff21514d8981 3206 q15_t * pSrcB,
AnnaBridge 156:ff21514d8981 3207 uint32_t srcBLen,
AnnaBridge 156:ff21514d8981 3208 q15_t * pDst,
AnnaBridge 156:ff21514d8981 3209 uint32_t firstIndex,
AnnaBridge 156:ff21514d8981 3210 uint32_t numPoints);
AnnaBridge 156:ff21514d8981 3211
AnnaBridge 156:ff21514d8981 3212
AnnaBridge 156:ff21514d8981 3213 /**
AnnaBridge 156:ff21514d8981 3214 * @brief Partial convolution of Q15 sequences (fast version) for Cortex-M3 and Cortex-M4
AnnaBridge 156:ff21514d8981 3215 * @param[in] pSrcA points to the first input sequence.
AnnaBridge 156:ff21514d8981 3216 * @param[in] srcALen length of the first input sequence.
AnnaBridge 156:ff21514d8981 3217 * @param[in] pSrcB points to the second input sequence.
AnnaBridge 156:ff21514d8981 3218 * @param[in] srcBLen length of the second input sequence.
AnnaBridge 156:ff21514d8981 3219 * @param[out] pDst points to the block of output data
AnnaBridge 156:ff21514d8981 3220 * @param[in] firstIndex is the first output sample to start with.
AnnaBridge 156:ff21514d8981 3221 * @param[in] numPoints is the number of output points to be computed.
AnnaBridge 156:ff21514d8981 3222 * @return Returns either ARM_MATH_SUCCESS if the function completed correctly or ARM_MATH_ARGUMENT_ERROR if the requested subset is not in the range [0 srcALen+srcBLen-2].
AnnaBridge 156:ff21514d8981 3223 */
AnnaBridge 156:ff21514d8981 3224 arm_status arm_conv_partial_fast_q15(
AnnaBridge 156:ff21514d8981 3225 q15_t * pSrcA,
AnnaBridge 156:ff21514d8981 3226 uint32_t srcALen,
AnnaBridge 156:ff21514d8981 3227 q15_t * pSrcB,
AnnaBridge 156:ff21514d8981 3228 uint32_t srcBLen,
AnnaBridge 156:ff21514d8981 3229 q15_t * pDst,
AnnaBridge 156:ff21514d8981 3230 uint32_t firstIndex,
AnnaBridge 156:ff21514d8981 3231 uint32_t numPoints);
AnnaBridge 156:ff21514d8981 3232
AnnaBridge 156:ff21514d8981 3233
AnnaBridge 156:ff21514d8981 3234 /**
AnnaBridge 156:ff21514d8981 3235 * @brief Partial convolution of Q15 sequences (fast version) for Cortex-M3 and Cortex-M4
AnnaBridge 156:ff21514d8981 3236 * @param[in] pSrcA points to the first input sequence.
AnnaBridge 156:ff21514d8981 3237 * @param[in] srcALen length of the first input sequence.
AnnaBridge 156:ff21514d8981 3238 * @param[in] pSrcB points to the second input sequence.
AnnaBridge 156:ff21514d8981 3239 * @param[in] srcBLen length of the second input sequence.
AnnaBridge 156:ff21514d8981 3240 * @param[out] pDst points to the block of output data
AnnaBridge 156:ff21514d8981 3241 * @param[in] firstIndex is the first output sample to start with.
AnnaBridge 156:ff21514d8981 3242 * @param[in] numPoints is the number of output points to be computed.
AnnaBridge 156:ff21514d8981 3243 * @param[in] pScratch1 points to scratch buffer of size max(srcALen, srcBLen) + 2*min(srcALen, srcBLen) - 2.
AnnaBridge 156:ff21514d8981 3244 * @param[in] pScratch2 points to scratch buffer of size min(srcALen, srcBLen).
AnnaBridge 156:ff21514d8981 3245 * @return Returns either ARM_MATH_SUCCESS if the function completed correctly or ARM_MATH_ARGUMENT_ERROR if the requested subset is not in the range [0 srcALen+srcBLen-2].
AnnaBridge 156:ff21514d8981 3246 */
AnnaBridge 156:ff21514d8981 3247 arm_status arm_conv_partial_fast_opt_q15(
AnnaBridge 156:ff21514d8981 3248 q15_t * pSrcA,
AnnaBridge 156:ff21514d8981 3249 uint32_t srcALen,
AnnaBridge 156:ff21514d8981 3250 q15_t * pSrcB,
AnnaBridge 156:ff21514d8981 3251 uint32_t srcBLen,
AnnaBridge 156:ff21514d8981 3252 q15_t * pDst,
AnnaBridge 156:ff21514d8981 3253 uint32_t firstIndex,
AnnaBridge 156:ff21514d8981 3254 uint32_t numPoints,
AnnaBridge 156:ff21514d8981 3255 q15_t * pScratch1,
AnnaBridge 156:ff21514d8981 3256 q15_t * pScratch2);
AnnaBridge 156:ff21514d8981 3257
AnnaBridge 156:ff21514d8981 3258
AnnaBridge 156:ff21514d8981 3259 /**
AnnaBridge 156:ff21514d8981 3260 * @brief Partial convolution of Q31 sequences.
AnnaBridge 156:ff21514d8981 3261 * @param[in] pSrcA points to the first input sequence.
AnnaBridge 156:ff21514d8981 3262 * @param[in] srcALen length of the first input sequence.
AnnaBridge 156:ff21514d8981 3263 * @param[in] pSrcB points to the second input sequence.
AnnaBridge 156:ff21514d8981 3264 * @param[in] srcBLen length of the second input sequence.
AnnaBridge 156:ff21514d8981 3265 * @param[out] pDst points to the block of output data
AnnaBridge 156:ff21514d8981 3266 * @param[in] firstIndex is the first output sample to start with.
AnnaBridge 156:ff21514d8981 3267 * @param[in] numPoints is the number of output points to be computed.
AnnaBridge 156:ff21514d8981 3268 * @return Returns either ARM_MATH_SUCCESS if the function completed correctly or ARM_MATH_ARGUMENT_ERROR if the requested subset is not in the range [0 srcALen+srcBLen-2].
AnnaBridge 156:ff21514d8981 3269 */
AnnaBridge 156:ff21514d8981 3270 arm_status arm_conv_partial_q31(
AnnaBridge 156:ff21514d8981 3271 q31_t * pSrcA,
AnnaBridge 156:ff21514d8981 3272 uint32_t srcALen,
AnnaBridge 156:ff21514d8981 3273 q31_t * pSrcB,
AnnaBridge 156:ff21514d8981 3274 uint32_t srcBLen,
AnnaBridge 156:ff21514d8981 3275 q31_t * pDst,
AnnaBridge 156:ff21514d8981 3276 uint32_t firstIndex,
AnnaBridge 156:ff21514d8981 3277 uint32_t numPoints);
AnnaBridge 156:ff21514d8981 3278
AnnaBridge 156:ff21514d8981 3279
AnnaBridge 156:ff21514d8981 3280 /**
AnnaBridge 156:ff21514d8981 3281 * @brief Partial convolution of Q31 sequences (fast version) for Cortex-M3 and Cortex-M4
AnnaBridge 156:ff21514d8981 3282 * @param[in] pSrcA points to the first input sequence.
AnnaBridge 156:ff21514d8981 3283 * @param[in] srcALen length of the first input sequence.
AnnaBridge 156:ff21514d8981 3284 * @param[in] pSrcB points to the second input sequence.
AnnaBridge 156:ff21514d8981 3285 * @param[in] srcBLen length of the second input sequence.
AnnaBridge 156:ff21514d8981 3286 * @param[out] pDst points to the block of output data
AnnaBridge 156:ff21514d8981 3287 * @param[in] firstIndex is the first output sample to start with.
AnnaBridge 156:ff21514d8981 3288 * @param[in] numPoints is the number of output points to be computed.
AnnaBridge 156:ff21514d8981 3289 * @return Returns either ARM_MATH_SUCCESS if the function completed correctly or ARM_MATH_ARGUMENT_ERROR if the requested subset is not in the range [0 srcALen+srcBLen-2].
AnnaBridge 156:ff21514d8981 3290 */
AnnaBridge 156:ff21514d8981 3291 arm_status arm_conv_partial_fast_q31(
AnnaBridge 156:ff21514d8981 3292 q31_t * pSrcA,
AnnaBridge 156:ff21514d8981 3293 uint32_t srcALen,
AnnaBridge 156:ff21514d8981 3294 q31_t * pSrcB,
AnnaBridge 156:ff21514d8981 3295 uint32_t srcBLen,
AnnaBridge 156:ff21514d8981 3296 q31_t * pDst,
AnnaBridge 156:ff21514d8981 3297 uint32_t firstIndex,
AnnaBridge 156:ff21514d8981 3298 uint32_t numPoints);
AnnaBridge 156:ff21514d8981 3299
AnnaBridge 156:ff21514d8981 3300
AnnaBridge 156:ff21514d8981 3301 /**
AnnaBridge 156:ff21514d8981 3302 * @brief Partial convolution of Q7 sequences
AnnaBridge 156:ff21514d8981 3303 * @param[in] pSrcA points to the first input sequence.
AnnaBridge 156:ff21514d8981 3304 * @param[in] srcALen length of the first input sequence.
AnnaBridge 156:ff21514d8981 3305 * @param[in] pSrcB points to the second input sequence.
AnnaBridge 156:ff21514d8981 3306 * @param[in] srcBLen length of the second input sequence.
AnnaBridge 156:ff21514d8981 3307 * @param[out] pDst points to the block of output data
AnnaBridge 156:ff21514d8981 3308 * @param[in] firstIndex is the first output sample to start with.
AnnaBridge 156:ff21514d8981 3309 * @param[in] numPoints is the number of output points to be computed.
AnnaBridge 156:ff21514d8981 3310 * @param[in] pScratch1 points to scratch buffer(of type q15_t) of size max(srcALen, srcBLen) + 2*min(srcALen, srcBLen) - 2.
AnnaBridge 156:ff21514d8981 3311 * @param[in] pScratch2 points to scratch buffer (of type q15_t) of size min(srcALen, srcBLen).
AnnaBridge 156:ff21514d8981 3312 * @return Returns either ARM_MATH_SUCCESS if the function completed correctly or ARM_MATH_ARGUMENT_ERROR if the requested subset is not in the range [0 srcALen+srcBLen-2].
AnnaBridge 156:ff21514d8981 3313 */
AnnaBridge 156:ff21514d8981 3314 arm_status arm_conv_partial_opt_q7(
AnnaBridge 156:ff21514d8981 3315 q7_t * pSrcA,
AnnaBridge 156:ff21514d8981 3316 uint32_t srcALen,
AnnaBridge 156:ff21514d8981 3317 q7_t * pSrcB,
AnnaBridge 156:ff21514d8981 3318 uint32_t srcBLen,
AnnaBridge 156:ff21514d8981 3319 q7_t * pDst,
AnnaBridge 156:ff21514d8981 3320 uint32_t firstIndex,
AnnaBridge 156:ff21514d8981 3321 uint32_t numPoints,
AnnaBridge 156:ff21514d8981 3322 q15_t * pScratch1,
AnnaBridge 156:ff21514d8981 3323 q15_t * pScratch2);
AnnaBridge 156:ff21514d8981 3324
AnnaBridge 156:ff21514d8981 3325
AnnaBridge 156:ff21514d8981 3326 /**
AnnaBridge 156:ff21514d8981 3327 * @brief Partial convolution of Q7 sequences.
AnnaBridge 156:ff21514d8981 3328 * @param[in] pSrcA points to the first input sequence.
AnnaBridge 156:ff21514d8981 3329 * @param[in] srcALen length of the first input sequence.
AnnaBridge 156:ff21514d8981 3330 * @param[in] pSrcB points to the second input sequence.
AnnaBridge 156:ff21514d8981 3331 * @param[in] srcBLen length of the second input sequence.
AnnaBridge 156:ff21514d8981 3332 * @param[out] pDst points to the block of output data
AnnaBridge 156:ff21514d8981 3333 * @param[in] firstIndex is the first output sample to start with.
AnnaBridge 156:ff21514d8981 3334 * @param[in] numPoints is the number of output points to be computed.
AnnaBridge 156:ff21514d8981 3335 * @return Returns either ARM_MATH_SUCCESS if the function completed correctly or ARM_MATH_ARGUMENT_ERROR if the requested subset is not in the range [0 srcALen+srcBLen-2].
AnnaBridge 156:ff21514d8981 3336 */
AnnaBridge 156:ff21514d8981 3337 arm_status arm_conv_partial_q7(
AnnaBridge 156:ff21514d8981 3338 q7_t * pSrcA,
AnnaBridge 156:ff21514d8981 3339 uint32_t srcALen,
AnnaBridge 156:ff21514d8981 3340 q7_t * pSrcB,
AnnaBridge 156:ff21514d8981 3341 uint32_t srcBLen,
AnnaBridge 156:ff21514d8981 3342 q7_t * pDst,
AnnaBridge 156:ff21514d8981 3343 uint32_t firstIndex,
AnnaBridge 156:ff21514d8981 3344 uint32_t numPoints);
AnnaBridge 156:ff21514d8981 3345
AnnaBridge 156:ff21514d8981 3346
AnnaBridge 156:ff21514d8981 3347 /**
AnnaBridge 156:ff21514d8981 3348 * @brief Instance structure for the Q15 FIR decimator.
AnnaBridge 156:ff21514d8981 3349 */
AnnaBridge 156:ff21514d8981 3350 typedef struct
AnnaBridge 156:ff21514d8981 3351 {
AnnaBridge 156:ff21514d8981 3352 uint8_t M; /**< decimation factor. */
AnnaBridge 156:ff21514d8981 3353 uint16_t numTaps; /**< number of coefficients in the filter. */
AnnaBridge 156:ff21514d8981 3354 q15_t *pCoeffs; /**< points to the coefficient array. The array is of length numTaps.*/
AnnaBridge 156:ff21514d8981 3355 q15_t *pState; /**< points to the state variable array. The array is of length numTaps+blockSize-1. */
AnnaBridge 156:ff21514d8981 3356 } arm_fir_decimate_instance_q15;
AnnaBridge 156:ff21514d8981 3357
AnnaBridge 156:ff21514d8981 3358 /**
AnnaBridge 156:ff21514d8981 3359 * @brief Instance structure for the Q31 FIR decimator.
AnnaBridge 156:ff21514d8981 3360 */
AnnaBridge 156:ff21514d8981 3361 typedef struct
AnnaBridge 156:ff21514d8981 3362 {
AnnaBridge 156:ff21514d8981 3363 uint8_t M; /**< decimation factor. */
AnnaBridge 156:ff21514d8981 3364 uint16_t numTaps; /**< number of coefficients in the filter. */
AnnaBridge 156:ff21514d8981 3365 q31_t *pCoeffs; /**< points to the coefficient array. The array is of length numTaps.*/
AnnaBridge 156:ff21514d8981 3366 q31_t *pState; /**< points to the state variable array. The array is of length numTaps+blockSize-1. */
AnnaBridge 156:ff21514d8981 3367 } arm_fir_decimate_instance_q31;
AnnaBridge 156:ff21514d8981 3368
AnnaBridge 156:ff21514d8981 3369 /**
AnnaBridge 156:ff21514d8981 3370 * @brief Instance structure for the floating-point FIR decimator.
AnnaBridge 156:ff21514d8981 3371 */
AnnaBridge 156:ff21514d8981 3372 typedef struct
AnnaBridge 156:ff21514d8981 3373 {
AnnaBridge 156:ff21514d8981 3374 uint8_t M; /**< decimation factor. */
AnnaBridge 156:ff21514d8981 3375 uint16_t numTaps; /**< number of coefficients in the filter. */
AnnaBridge 156:ff21514d8981 3376 float32_t *pCoeffs; /**< points to the coefficient array. The array is of length numTaps.*/
AnnaBridge 156:ff21514d8981 3377 float32_t *pState; /**< points to the state variable array. The array is of length numTaps+blockSize-1. */
AnnaBridge 156:ff21514d8981 3378 } arm_fir_decimate_instance_f32;
AnnaBridge 156:ff21514d8981 3379
AnnaBridge 156:ff21514d8981 3380
AnnaBridge 156:ff21514d8981 3381 /**
AnnaBridge 156:ff21514d8981 3382 * @brief Processing function for the floating-point FIR decimator.
AnnaBridge 156:ff21514d8981 3383 * @param[in] S points to an instance of the floating-point FIR decimator structure.
AnnaBridge 156:ff21514d8981 3384 * @param[in] pSrc points to the block of input data.
AnnaBridge 156:ff21514d8981 3385 * @param[out] pDst points to the block of output data
AnnaBridge 156:ff21514d8981 3386 * @param[in] blockSize number of input samples to process per call.
AnnaBridge 156:ff21514d8981 3387 */
AnnaBridge 156:ff21514d8981 3388 void arm_fir_decimate_f32(
AnnaBridge 156:ff21514d8981 3389 const arm_fir_decimate_instance_f32 * S,
AnnaBridge 156:ff21514d8981 3390 float32_t * pSrc,
AnnaBridge 156:ff21514d8981 3391 float32_t * pDst,
AnnaBridge 156:ff21514d8981 3392 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 3393
AnnaBridge 156:ff21514d8981 3394
AnnaBridge 156:ff21514d8981 3395 /**
AnnaBridge 156:ff21514d8981 3396 * @brief Initialization function for the floating-point FIR decimator.
AnnaBridge 156:ff21514d8981 3397 * @param[in,out] S points to an instance of the floating-point FIR decimator structure.
AnnaBridge 156:ff21514d8981 3398 * @param[in] numTaps number of coefficients in the filter.
AnnaBridge 156:ff21514d8981 3399 * @param[in] M decimation factor.
AnnaBridge 156:ff21514d8981 3400 * @param[in] pCoeffs points to the filter coefficients.
AnnaBridge 156:ff21514d8981 3401 * @param[in] pState points to the state buffer.
AnnaBridge 156:ff21514d8981 3402 * @param[in] blockSize number of input samples to process per call.
AnnaBridge 156:ff21514d8981 3403 * @return The function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_LENGTH_ERROR if
AnnaBridge 156:ff21514d8981 3404 * <code>blockSize</code> is not a multiple of <code>M</code>.
AnnaBridge 156:ff21514d8981 3405 */
AnnaBridge 156:ff21514d8981 3406 arm_status arm_fir_decimate_init_f32(
AnnaBridge 156:ff21514d8981 3407 arm_fir_decimate_instance_f32 * S,
AnnaBridge 156:ff21514d8981 3408 uint16_t numTaps,
AnnaBridge 156:ff21514d8981 3409 uint8_t M,
AnnaBridge 156:ff21514d8981 3410 float32_t * pCoeffs,
AnnaBridge 156:ff21514d8981 3411 float32_t * pState,
AnnaBridge 156:ff21514d8981 3412 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 3413
AnnaBridge 156:ff21514d8981 3414
AnnaBridge 156:ff21514d8981 3415 /**
AnnaBridge 156:ff21514d8981 3416 * @brief Processing function for the Q15 FIR decimator.
AnnaBridge 156:ff21514d8981 3417 * @param[in] S points to an instance of the Q15 FIR decimator structure.
AnnaBridge 156:ff21514d8981 3418 * @param[in] pSrc points to the block of input data.
AnnaBridge 156:ff21514d8981 3419 * @param[out] pDst points to the block of output data
AnnaBridge 156:ff21514d8981 3420 * @param[in] blockSize number of input samples to process per call.
AnnaBridge 156:ff21514d8981 3421 */
AnnaBridge 156:ff21514d8981 3422 void arm_fir_decimate_q15(
AnnaBridge 156:ff21514d8981 3423 const arm_fir_decimate_instance_q15 * S,
AnnaBridge 156:ff21514d8981 3424 q15_t * pSrc,
AnnaBridge 156:ff21514d8981 3425 q15_t * pDst,
AnnaBridge 156:ff21514d8981 3426 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 3427
AnnaBridge 156:ff21514d8981 3428
AnnaBridge 156:ff21514d8981 3429 /**
AnnaBridge 156:ff21514d8981 3430 * @brief Processing function for the Q15 FIR decimator (fast variant) for Cortex-M3 and Cortex-M4.
AnnaBridge 156:ff21514d8981 3431 * @param[in] S points to an instance of the Q15 FIR decimator structure.
AnnaBridge 156:ff21514d8981 3432 * @param[in] pSrc points to the block of input data.
AnnaBridge 156:ff21514d8981 3433 * @param[out] pDst points to the block of output data
AnnaBridge 156:ff21514d8981 3434 * @param[in] blockSize number of input samples to process per call.
AnnaBridge 156:ff21514d8981 3435 */
AnnaBridge 156:ff21514d8981 3436 void arm_fir_decimate_fast_q15(
AnnaBridge 156:ff21514d8981 3437 const arm_fir_decimate_instance_q15 * S,
AnnaBridge 156:ff21514d8981 3438 q15_t * pSrc,
AnnaBridge 156:ff21514d8981 3439 q15_t * pDst,
AnnaBridge 156:ff21514d8981 3440 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 3441
AnnaBridge 156:ff21514d8981 3442
AnnaBridge 156:ff21514d8981 3443 /**
AnnaBridge 156:ff21514d8981 3444 * @brief Initialization function for the Q15 FIR decimator.
AnnaBridge 156:ff21514d8981 3445 * @param[in,out] S points to an instance of the Q15 FIR decimator structure.
AnnaBridge 156:ff21514d8981 3446 * @param[in] numTaps number of coefficients in the filter.
AnnaBridge 156:ff21514d8981 3447 * @param[in] M decimation factor.
AnnaBridge 156:ff21514d8981 3448 * @param[in] pCoeffs points to the filter coefficients.
AnnaBridge 156:ff21514d8981 3449 * @param[in] pState points to the state buffer.
AnnaBridge 156:ff21514d8981 3450 * @param[in] blockSize number of input samples to process per call.
AnnaBridge 156:ff21514d8981 3451 * @return The function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_LENGTH_ERROR if
AnnaBridge 156:ff21514d8981 3452 * <code>blockSize</code> is not a multiple of <code>M</code>.
AnnaBridge 156:ff21514d8981 3453 */
AnnaBridge 156:ff21514d8981 3454 arm_status arm_fir_decimate_init_q15(
AnnaBridge 156:ff21514d8981 3455 arm_fir_decimate_instance_q15 * S,
AnnaBridge 156:ff21514d8981 3456 uint16_t numTaps,
AnnaBridge 156:ff21514d8981 3457 uint8_t M,
AnnaBridge 156:ff21514d8981 3458 q15_t * pCoeffs,
AnnaBridge 156:ff21514d8981 3459 q15_t * pState,
AnnaBridge 156:ff21514d8981 3460 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 3461
AnnaBridge 156:ff21514d8981 3462
AnnaBridge 156:ff21514d8981 3463 /**
AnnaBridge 156:ff21514d8981 3464 * @brief Processing function for the Q31 FIR decimator.
AnnaBridge 156:ff21514d8981 3465 * @param[in] S points to an instance of the Q31 FIR decimator structure.
AnnaBridge 156:ff21514d8981 3466 * @param[in] pSrc points to the block of input data.
AnnaBridge 156:ff21514d8981 3467 * @param[out] pDst points to the block of output data
AnnaBridge 156:ff21514d8981 3468 * @param[in] blockSize number of input samples to process per call.
AnnaBridge 156:ff21514d8981 3469 */
AnnaBridge 156:ff21514d8981 3470 void arm_fir_decimate_q31(
AnnaBridge 156:ff21514d8981 3471 const arm_fir_decimate_instance_q31 * S,
AnnaBridge 156:ff21514d8981 3472 q31_t * pSrc,
AnnaBridge 156:ff21514d8981 3473 q31_t * pDst,
AnnaBridge 156:ff21514d8981 3474 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 3475
AnnaBridge 156:ff21514d8981 3476 /**
AnnaBridge 156:ff21514d8981 3477 * @brief Processing function for the Q31 FIR decimator (fast variant) for Cortex-M3 and Cortex-M4.
AnnaBridge 156:ff21514d8981 3478 * @param[in] S points to an instance of the Q31 FIR decimator structure.
AnnaBridge 156:ff21514d8981 3479 * @param[in] pSrc points to the block of input data.
AnnaBridge 156:ff21514d8981 3480 * @param[out] pDst points to the block of output data
AnnaBridge 156:ff21514d8981 3481 * @param[in] blockSize number of input samples to process per call.
AnnaBridge 156:ff21514d8981 3482 */
AnnaBridge 156:ff21514d8981 3483 void arm_fir_decimate_fast_q31(
AnnaBridge 156:ff21514d8981 3484 arm_fir_decimate_instance_q31 * S,
AnnaBridge 156:ff21514d8981 3485 q31_t * pSrc,
AnnaBridge 156:ff21514d8981 3486 q31_t * pDst,
AnnaBridge 156:ff21514d8981 3487 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 3488
AnnaBridge 156:ff21514d8981 3489
AnnaBridge 156:ff21514d8981 3490 /**
AnnaBridge 156:ff21514d8981 3491 * @brief Initialization function for the Q31 FIR decimator.
AnnaBridge 156:ff21514d8981 3492 * @param[in,out] S points to an instance of the Q31 FIR decimator structure.
AnnaBridge 156:ff21514d8981 3493 * @param[in] numTaps number of coefficients in the filter.
AnnaBridge 156:ff21514d8981 3494 * @param[in] M decimation factor.
AnnaBridge 156:ff21514d8981 3495 * @param[in] pCoeffs points to the filter coefficients.
AnnaBridge 156:ff21514d8981 3496 * @param[in] pState points to the state buffer.
AnnaBridge 156:ff21514d8981 3497 * @param[in] blockSize number of input samples to process per call.
AnnaBridge 156:ff21514d8981 3498 * @return The function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_LENGTH_ERROR if
AnnaBridge 156:ff21514d8981 3499 * <code>blockSize</code> is not a multiple of <code>M</code>.
AnnaBridge 156:ff21514d8981 3500 */
AnnaBridge 156:ff21514d8981 3501 arm_status arm_fir_decimate_init_q31(
AnnaBridge 156:ff21514d8981 3502 arm_fir_decimate_instance_q31 * S,
AnnaBridge 156:ff21514d8981 3503 uint16_t numTaps,
AnnaBridge 156:ff21514d8981 3504 uint8_t M,
AnnaBridge 156:ff21514d8981 3505 q31_t * pCoeffs,
AnnaBridge 156:ff21514d8981 3506 q31_t * pState,
AnnaBridge 156:ff21514d8981 3507 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 3508
AnnaBridge 156:ff21514d8981 3509
AnnaBridge 156:ff21514d8981 3510 /**
AnnaBridge 156:ff21514d8981 3511 * @brief Instance structure for the Q15 FIR interpolator.
AnnaBridge 156:ff21514d8981 3512 */
AnnaBridge 156:ff21514d8981 3513 typedef struct
AnnaBridge 156:ff21514d8981 3514 {
AnnaBridge 156:ff21514d8981 3515 uint8_t L; /**< upsample factor. */
AnnaBridge 156:ff21514d8981 3516 uint16_t phaseLength; /**< length of each polyphase filter component. */
AnnaBridge 156:ff21514d8981 3517 q15_t *pCoeffs; /**< points to the coefficient array. The array is of length L*phaseLength. */
AnnaBridge 156:ff21514d8981 3518 q15_t *pState; /**< points to the state variable array. The array is of length blockSize+phaseLength-1. */
AnnaBridge 156:ff21514d8981 3519 } arm_fir_interpolate_instance_q15;
AnnaBridge 156:ff21514d8981 3520
AnnaBridge 156:ff21514d8981 3521 /**
AnnaBridge 156:ff21514d8981 3522 * @brief Instance structure for the Q31 FIR interpolator.
AnnaBridge 156:ff21514d8981 3523 */
AnnaBridge 156:ff21514d8981 3524 typedef struct
AnnaBridge 156:ff21514d8981 3525 {
AnnaBridge 156:ff21514d8981 3526 uint8_t L; /**< upsample factor. */
AnnaBridge 156:ff21514d8981 3527 uint16_t phaseLength; /**< length of each polyphase filter component. */
AnnaBridge 156:ff21514d8981 3528 q31_t *pCoeffs; /**< points to the coefficient array. The array is of length L*phaseLength. */
AnnaBridge 156:ff21514d8981 3529 q31_t *pState; /**< points to the state variable array. The array is of length blockSize+phaseLength-1. */
AnnaBridge 156:ff21514d8981 3530 } arm_fir_interpolate_instance_q31;
AnnaBridge 156:ff21514d8981 3531
AnnaBridge 156:ff21514d8981 3532 /**
AnnaBridge 156:ff21514d8981 3533 * @brief Instance structure for the floating-point FIR interpolator.
AnnaBridge 156:ff21514d8981 3534 */
AnnaBridge 156:ff21514d8981 3535 typedef struct
AnnaBridge 156:ff21514d8981 3536 {
AnnaBridge 156:ff21514d8981 3537 uint8_t L; /**< upsample factor. */
AnnaBridge 156:ff21514d8981 3538 uint16_t phaseLength; /**< length of each polyphase filter component. */
AnnaBridge 156:ff21514d8981 3539 float32_t *pCoeffs; /**< points to the coefficient array. The array is of length L*phaseLength. */
AnnaBridge 156:ff21514d8981 3540 float32_t *pState; /**< points to the state variable array. The array is of length phaseLength+numTaps-1. */
AnnaBridge 156:ff21514d8981 3541 } arm_fir_interpolate_instance_f32;
AnnaBridge 156:ff21514d8981 3542
AnnaBridge 156:ff21514d8981 3543
AnnaBridge 156:ff21514d8981 3544 /**
AnnaBridge 156:ff21514d8981 3545 * @brief Processing function for the Q15 FIR interpolator.
AnnaBridge 156:ff21514d8981 3546 * @param[in] S points to an instance of the Q15 FIR interpolator structure.
AnnaBridge 156:ff21514d8981 3547 * @param[in] pSrc points to the block of input data.
AnnaBridge 156:ff21514d8981 3548 * @param[out] pDst points to the block of output data.
AnnaBridge 156:ff21514d8981 3549 * @param[in] blockSize number of input samples to process per call.
AnnaBridge 156:ff21514d8981 3550 */
AnnaBridge 156:ff21514d8981 3551 void arm_fir_interpolate_q15(
AnnaBridge 156:ff21514d8981 3552 const arm_fir_interpolate_instance_q15 * S,
AnnaBridge 156:ff21514d8981 3553 q15_t * pSrc,
AnnaBridge 156:ff21514d8981 3554 q15_t * pDst,
AnnaBridge 156:ff21514d8981 3555 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 3556
AnnaBridge 156:ff21514d8981 3557
AnnaBridge 156:ff21514d8981 3558 /**
AnnaBridge 156:ff21514d8981 3559 * @brief Initialization function for the Q15 FIR interpolator.
AnnaBridge 156:ff21514d8981 3560 * @param[in,out] S points to an instance of the Q15 FIR interpolator structure.
AnnaBridge 156:ff21514d8981 3561 * @param[in] L upsample factor.
AnnaBridge 156:ff21514d8981 3562 * @param[in] numTaps number of filter coefficients in the filter.
AnnaBridge 156:ff21514d8981 3563 * @param[in] pCoeffs points to the filter coefficient buffer.
AnnaBridge 156:ff21514d8981 3564 * @param[in] pState points to the state buffer.
AnnaBridge 156:ff21514d8981 3565 * @param[in] blockSize number of input samples to process per call.
AnnaBridge 156:ff21514d8981 3566 * @return The function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_LENGTH_ERROR if
AnnaBridge 156:ff21514d8981 3567 * the filter length <code>numTaps</code> is not a multiple of the interpolation factor <code>L</code>.
AnnaBridge 156:ff21514d8981 3568 */
AnnaBridge 156:ff21514d8981 3569 arm_status arm_fir_interpolate_init_q15(
AnnaBridge 156:ff21514d8981 3570 arm_fir_interpolate_instance_q15 * S,
AnnaBridge 156:ff21514d8981 3571 uint8_t L,
AnnaBridge 156:ff21514d8981 3572 uint16_t numTaps,
AnnaBridge 156:ff21514d8981 3573 q15_t * pCoeffs,
AnnaBridge 156:ff21514d8981 3574 q15_t * pState,
AnnaBridge 156:ff21514d8981 3575 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 3576
AnnaBridge 156:ff21514d8981 3577
AnnaBridge 156:ff21514d8981 3578 /**
AnnaBridge 156:ff21514d8981 3579 * @brief Processing function for the Q31 FIR interpolator.
AnnaBridge 156:ff21514d8981 3580 * @param[in] S points to an instance of the Q15 FIR interpolator structure.
AnnaBridge 156:ff21514d8981 3581 * @param[in] pSrc points to the block of input data.
AnnaBridge 156:ff21514d8981 3582 * @param[out] pDst points to the block of output data.
AnnaBridge 156:ff21514d8981 3583 * @param[in] blockSize number of input samples to process per call.
AnnaBridge 156:ff21514d8981 3584 */
AnnaBridge 156:ff21514d8981 3585 void arm_fir_interpolate_q31(
AnnaBridge 156:ff21514d8981 3586 const arm_fir_interpolate_instance_q31 * S,
AnnaBridge 156:ff21514d8981 3587 q31_t * pSrc,
AnnaBridge 156:ff21514d8981 3588 q31_t * pDst,
AnnaBridge 156:ff21514d8981 3589 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 3590
AnnaBridge 156:ff21514d8981 3591
AnnaBridge 156:ff21514d8981 3592 /**
AnnaBridge 156:ff21514d8981 3593 * @brief Initialization function for the Q31 FIR interpolator.
AnnaBridge 156:ff21514d8981 3594 * @param[in,out] S points to an instance of the Q31 FIR interpolator structure.
AnnaBridge 156:ff21514d8981 3595 * @param[in] L upsample factor.
AnnaBridge 156:ff21514d8981 3596 * @param[in] numTaps number of filter coefficients in the filter.
AnnaBridge 156:ff21514d8981 3597 * @param[in] pCoeffs points to the filter coefficient buffer.
AnnaBridge 156:ff21514d8981 3598 * @param[in] pState points to the state buffer.
AnnaBridge 156:ff21514d8981 3599 * @param[in] blockSize number of input samples to process per call.
AnnaBridge 156:ff21514d8981 3600 * @return The function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_LENGTH_ERROR if
AnnaBridge 156:ff21514d8981 3601 * the filter length <code>numTaps</code> is not a multiple of the interpolation factor <code>L</code>.
AnnaBridge 156:ff21514d8981 3602 */
AnnaBridge 156:ff21514d8981 3603 arm_status arm_fir_interpolate_init_q31(
AnnaBridge 156:ff21514d8981 3604 arm_fir_interpolate_instance_q31 * S,
AnnaBridge 156:ff21514d8981 3605 uint8_t L,
AnnaBridge 156:ff21514d8981 3606 uint16_t numTaps,
AnnaBridge 156:ff21514d8981 3607 q31_t * pCoeffs,
AnnaBridge 156:ff21514d8981 3608 q31_t * pState,
AnnaBridge 156:ff21514d8981 3609 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 3610
AnnaBridge 156:ff21514d8981 3611
AnnaBridge 156:ff21514d8981 3612 /**
AnnaBridge 156:ff21514d8981 3613 * @brief Processing function for the floating-point FIR interpolator.
AnnaBridge 156:ff21514d8981 3614 * @param[in] S points to an instance of the floating-point FIR interpolator structure.
AnnaBridge 156:ff21514d8981 3615 * @param[in] pSrc points to the block of input data.
AnnaBridge 156:ff21514d8981 3616 * @param[out] pDst points to the block of output data.
AnnaBridge 156:ff21514d8981 3617 * @param[in] blockSize number of input samples to process per call.
AnnaBridge 156:ff21514d8981 3618 */
AnnaBridge 156:ff21514d8981 3619 void arm_fir_interpolate_f32(
AnnaBridge 156:ff21514d8981 3620 const arm_fir_interpolate_instance_f32 * S,
AnnaBridge 156:ff21514d8981 3621 float32_t * pSrc,
AnnaBridge 156:ff21514d8981 3622 float32_t * pDst,
AnnaBridge 156:ff21514d8981 3623 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 3624
AnnaBridge 156:ff21514d8981 3625
AnnaBridge 156:ff21514d8981 3626 /**
AnnaBridge 156:ff21514d8981 3627 * @brief Initialization function for the floating-point FIR interpolator.
AnnaBridge 156:ff21514d8981 3628 * @param[in,out] S points to an instance of the floating-point FIR interpolator structure.
AnnaBridge 156:ff21514d8981 3629 * @param[in] L upsample factor.
AnnaBridge 156:ff21514d8981 3630 * @param[in] numTaps number of filter coefficients in the filter.
AnnaBridge 156:ff21514d8981 3631 * @param[in] pCoeffs points to the filter coefficient buffer.
AnnaBridge 156:ff21514d8981 3632 * @param[in] pState points to the state buffer.
AnnaBridge 156:ff21514d8981 3633 * @param[in] blockSize number of input samples to process per call.
AnnaBridge 156:ff21514d8981 3634 * @return The function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_LENGTH_ERROR if
AnnaBridge 156:ff21514d8981 3635 * the filter length <code>numTaps</code> is not a multiple of the interpolation factor <code>L</code>.
AnnaBridge 156:ff21514d8981 3636 */
AnnaBridge 156:ff21514d8981 3637 arm_status arm_fir_interpolate_init_f32(
AnnaBridge 156:ff21514d8981 3638 arm_fir_interpolate_instance_f32 * S,
AnnaBridge 156:ff21514d8981 3639 uint8_t L,
AnnaBridge 156:ff21514d8981 3640 uint16_t numTaps,
AnnaBridge 156:ff21514d8981 3641 float32_t * pCoeffs,
AnnaBridge 156:ff21514d8981 3642 float32_t * pState,
AnnaBridge 156:ff21514d8981 3643 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 3644
AnnaBridge 156:ff21514d8981 3645
AnnaBridge 156:ff21514d8981 3646 /**
AnnaBridge 156:ff21514d8981 3647 * @brief Instance structure for the high precision Q31 Biquad cascade filter.
AnnaBridge 156:ff21514d8981 3648 */
AnnaBridge 156:ff21514d8981 3649 typedef struct
AnnaBridge 156:ff21514d8981 3650 {
AnnaBridge 156:ff21514d8981 3651 uint8_t numStages; /**< number of 2nd order stages in the filter. Overall order is 2*numStages. */
AnnaBridge 156:ff21514d8981 3652 q63_t *pState; /**< points to the array of state coefficients. The array is of length 4*numStages. */
AnnaBridge 156:ff21514d8981 3653 q31_t *pCoeffs; /**< points to the array of coefficients. The array is of length 5*numStages. */
AnnaBridge 156:ff21514d8981 3654 uint8_t postShift; /**< additional shift, in bits, applied to each output sample. */
AnnaBridge 156:ff21514d8981 3655 } arm_biquad_cas_df1_32x64_ins_q31;
AnnaBridge 156:ff21514d8981 3656
AnnaBridge 156:ff21514d8981 3657
AnnaBridge 156:ff21514d8981 3658 /**
AnnaBridge 156:ff21514d8981 3659 * @param[in] S points to an instance of the high precision Q31 Biquad cascade filter structure.
AnnaBridge 156:ff21514d8981 3660 * @param[in] pSrc points to the block of input data.
AnnaBridge 156:ff21514d8981 3661 * @param[out] pDst points to the block of output data
AnnaBridge 156:ff21514d8981 3662 * @param[in] blockSize number of samples to process.
AnnaBridge 156:ff21514d8981 3663 */
AnnaBridge 156:ff21514d8981 3664 void arm_biquad_cas_df1_32x64_q31(
AnnaBridge 156:ff21514d8981 3665 const arm_biquad_cas_df1_32x64_ins_q31 * S,
AnnaBridge 156:ff21514d8981 3666 q31_t * pSrc,
AnnaBridge 156:ff21514d8981 3667 q31_t * pDst,
AnnaBridge 156:ff21514d8981 3668 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 3669
AnnaBridge 156:ff21514d8981 3670
AnnaBridge 156:ff21514d8981 3671 /**
AnnaBridge 156:ff21514d8981 3672 * @param[in,out] S points to an instance of the high precision Q31 Biquad cascade filter structure.
AnnaBridge 156:ff21514d8981 3673 * @param[in] numStages number of 2nd order stages in the filter.
AnnaBridge 156:ff21514d8981 3674 * @param[in] pCoeffs points to the filter coefficients.
AnnaBridge 156:ff21514d8981 3675 * @param[in] pState points to the state buffer.
AnnaBridge 156:ff21514d8981 3676 * @param[in] postShift shift to be applied to the output. Varies according to the coefficients format
AnnaBridge 156:ff21514d8981 3677 */
AnnaBridge 156:ff21514d8981 3678 void arm_biquad_cas_df1_32x64_init_q31(
AnnaBridge 156:ff21514d8981 3679 arm_biquad_cas_df1_32x64_ins_q31 * S,
AnnaBridge 156:ff21514d8981 3680 uint8_t numStages,
AnnaBridge 156:ff21514d8981 3681 q31_t * pCoeffs,
AnnaBridge 156:ff21514d8981 3682 q63_t * pState,
AnnaBridge 156:ff21514d8981 3683 uint8_t postShift);
AnnaBridge 156:ff21514d8981 3684
AnnaBridge 156:ff21514d8981 3685
AnnaBridge 156:ff21514d8981 3686 /**
AnnaBridge 156:ff21514d8981 3687 * @brief Instance structure for the floating-point transposed direct form II Biquad cascade filter.
AnnaBridge 156:ff21514d8981 3688 */
AnnaBridge 156:ff21514d8981 3689 typedef struct
AnnaBridge 156:ff21514d8981 3690 {
AnnaBridge 156:ff21514d8981 3691 uint8_t numStages; /**< number of 2nd order stages in the filter. Overall order is 2*numStages. */
AnnaBridge 156:ff21514d8981 3692 float32_t *pState; /**< points to the array of state coefficients. The array is of length 2*numStages. */
AnnaBridge 156:ff21514d8981 3693 float32_t *pCoeffs; /**< points to the array of coefficients. The array is of length 5*numStages. */
AnnaBridge 156:ff21514d8981 3694 } arm_biquad_cascade_df2T_instance_f32;
AnnaBridge 156:ff21514d8981 3695
AnnaBridge 156:ff21514d8981 3696 /**
AnnaBridge 156:ff21514d8981 3697 * @brief Instance structure for the floating-point transposed direct form II Biquad cascade filter.
AnnaBridge 156:ff21514d8981 3698 */
AnnaBridge 156:ff21514d8981 3699 typedef struct
AnnaBridge 156:ff21514d8981 3700 {
AnnaBridge 156:ff21514d8981 3701 uint8_t numStages; /**< number of 2nd order stages in the filter. Overall order is 2*numStages. */
AnnaBridge 156:ff21514d8981 3702 float32_t *pState; /**< points to the array of state coefficients. The array is of length 4*numStages. */
AnnaBridge 156:ff21514d8981 3703 float32_t *pCoeffs; /**< points to the array of coefficients. The array is of length 5*numStages. */
AnnaBridge 156:ff21514d8981 3704 } arm_biquad_cascade_stereo_df2T_instance_f32;
AnnaBridge 156:ff21514d8981 3705
AnnaBridge 156:ff21514d8981 3706 /**
AnnaBridge 156:ff21514d8981 3707 * @brief Instance structure for the floating-point transposed direct form II Biquad cascade filter.
AnnaBridge 156:ff21514d8981 3708 */
AnnaBridge 156:ff21514d8981 3709 typedef struct
AnnaBridge 156:ff21514d8981 3710 {
AnnaBridge 156:ff21514d8981 3711 uint8_t numStages; /**< number of 2nd order stages in the filter. Overall order is 2*numStages. */
AnnaBridge 156:ff21514d8981 3712 float64_t *pState; /**< points to the array of state coefficients. The array is of length 2*numStages. */
AnnaBridge 156:ff21514d8981 3713 float64_t *pCoeffs; /**< points to the array of coefficients. The array is of length 5*numStages. */
AnnaBridge 156:ff21514d8981 3714 } arm_biquad_cascade_df2T_instance_f64;
AnnaBridge 156:ff21514d8981 3715
AnnaBridge 156:ff21514d8981 3716
AnnaBridge 156:ff21514d8981 3717 /**
AnnaBridge 156:ff21514d8981 3718 * @brief Processing function for the floating-point transposed direct form II Biquad cascade filter.
AnnaBridge 156:ff21514d8981 3719 * @param[in] S points to an instance of the filter data structure.
AnnaBridge 156:ff21514d8981 3720 * @param[in] pSrc points to the block of input data.
AnnaBridge 156:ff21514d8981 3721 * @param[out] pDst points to the block of output data
AnnaBridge 156:ff21514d8981 3722 * @param[in] blockSize number of samples to process.
AnnaBridge 156:ff21514d8981 3723 */
AnnaBridge 156:ff21514d8981 3724 void arm_biquad_cascade_df2T_f32(
AnnaBridge 156:ff21514d8981 3725 const arm_biquad_cascade_df2T_instance_f32 * S,
AnnaBridge 156:ff21514d8981 3726 float32_t * pSrc,
AnnaBridge 156:ff21514d8981 3727 float32_t * pDst,
AnnaBridge 156:ff21514d8981 3728 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 3729
AnnaBridge 156:ff21514d8981 3730
AnnaBridge 156:ff21514d8981 3731 /**
AnnaBridge 156:ff21514d8981 3732 * @brief Processing function for the floating-point transposed direct form II Biquad cascade filter. 2 channels
AnnaBridge 156:ff21514d8981 3733 * @param[in] S points to an instance of the filter data structure.
AnnaBridge 156:ff21514d8981 3734 * @param[in] pSrc points to the block of input data.
AnnaBridge 156:ff21514d8981 3735 * @param[out] pDst points to the block of output data
AnnaBridge 156:ff21514d8981 3736 * @param[in] blockSize number of samples to process.
AnnaBridge 156:ff21514d8981 3737 */
AnnaBridge 156:ff21514d8981 3738 void arm_biquad_cascade_stereo_df2T_f32(
AnnaBridge 156:ff21514d8981 3739 const arm_biquad_cascade_stereo_df2T_instance_f32 * S,
AnnaBridge 156:ff21514d8981 3740 float32_t * pSrc,
AnnaBridge 156:ff21514d8981 3741 float32_t * pDst,
AnnaBridge 156:ff21514d8981 3742 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 3743
AnnaBridge 156:ff21514d8981 3744
AnnaBridge 156:ff21514d8981 3745 /**
AnnaBridge 156:ff21514d8981 3746 * @brief Processing function for the floating-point transposed direct form II Biquad cascade filter.
AnnaBridge 156:ff21514d8981 3747 * @param[in] S points to an instance of the filter data structure.
AnnaBridge 156:ff21514d8981 3748 * @param[in] pSrc points to the block of input data.
AnnaBridge 156:ff21514d8981 3749 * @param[out] pDst points to the block of output data
AnnaBridge 156:ff21514d8981 3750 * @param[in] blockSize number of samples to process.
AnnaBridge 156:ff21514d8981 3751 */
AnnaBridge 156:ff21514d8981 3752 void arm_biquad_cascade_df2T_f64(
AnnaBridge 156:ff21514d8981 3753 const arm_biquad_cascade_df2T_instance_f64 * S,
AnnaBridge 156:ff21514d8981 3754 float64_t * pSrc,
AnnaBridge 156:ff21514d8981 3755 float64_t * pDst,
AnnaBridge 156:ff21514d8981 3756 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 3757
AnnaBridge 156:ff21514d8981 3758
AnnaBridge 156:ff21514d8981 3759 /**
AnnaBridge 156:ff21514d8981 3760 * @brief Initialization function for the floating-point transposed direct form II Biquad cascade filter.
AnnaBridge 156:ff21514d8981 3761 * @param[in,out] S points to an instance of the filter data structure.
AnnaBridge 156:ff21514d8981 3762 * @param[in] numStages number of 2nd order stages in the filter.
AnnaBridge 156:ff21514d8981 3763 * @param[in] pCoeffs points to the filter coefficients.
AnnaBridge 156:ff21514d8981 3764 * @param[in] pState points to the state buffer.
AnnaBridge 156:ff21514d8981 3765 */
AnnaBridge 156:ff21514d8981 3766 void arm_biquad_cascade_df2T_init_f32(
AnnaBridge 156:ff21514d8981 3767 arm_biquad_cascade_df2T_instance_f32 * S,
AnnaBridge 156:ff21514d8981 3768 uint8_t numStages,
AnnaBridge 156:ff21514d8981 3769 float32_t * pCoeffs,
AnnaBridge 156:ff21514d8981 3770 float32_t * pState);
AnnaBridge 156:ff21514d8981 3771
AnnaBridge 156:ff21514d8981 3772
AnnaBridge 156:ff21514d8981 3773 /**
AnnaBridge 156:ff21514d8981 3774 * @brief Initialization function for the floating-point transposed direct form II Biquad cascade filter.
AnnaBridge 156:ff21514d8981 3775 * @param[in,out] S points to an instance of the filter data structure.
AnnaBridge 156:ff21514d8981 3776 * @param[in] numStages number of 2nd order stages in the filter.
AnnaBridge 156:ff21514d8981 3777 * @param[in] pCoeffs points to the filter coefficients.
AnnaBridge 156:ff21514d8981 3778 * @param[in] pState points to the state buffer.
AnnaBridge 156:ff21514d8981 3779 */
AnnaBridge 156:ff21514d8981 3780 void arm_biquad_cascade_stereo_df2T_init_f32(
AnnaBridge 156:ff21514d8981 3781 arm_biquad_cascade_stereo_df2T_instance_f32 * S,
AnnaBridge 156:ff21514d8981 3782 uint8_t numStages,
AnnaBridge 156:ff21514d8981 3783 float32_t * pCoeffs,
AnnaBridge 156:ff21514d8981 3784 float32_t * pState);
AnnaBridge 156:ff21514d8981 3785
AnnaBridge 156:ff21514d8981 3786
AnnaBridge 156:ff21514d8981 3787 /**
AnnaBridge 156:ff21514d8981 3788 * @brief Initialization function for the floating-point transposed direct form II Biquad cascade filter.
AnnaBridge 156:ff21514d8981 3789 * @param[in,out] S points to an instance of the filter data structure.
AnnaBridge 156:ff21514d8981 3790 * @param[in] numStages number of 2nd order stages in the filter.
AnnaBridge 156:ff21514d8981 3791 * @param[in] pCoeffs points to the filter coefficients.
AnnaBridge 156:ff21514d8981 3792 * @param[in] pState points to the state buffer.
AnnaBridge 156:ff21514d8981 3793 */
AnnaBridge 156:ff21514d8981 3794 void arm_biquad_cascade_df2T_init_f64(
AnnaBridge 156:ff21514d8981 3795 arm_biquad_cascade_df2T_instance_f64 * S,
AnnaBridge 156:ff21514d8981 3796 uint8_t numStages,
AnnaBridge 156:ff21514d8981 3797 float64_t * pCoeffs,
AnnaBridge 156:ff21514d8981 3798 float64_t * pState);
AnnaBridge 156:ff21514d8981 3799
AnnaBridge 156:ff21514d8981 3800
AnnaBridge 156:ff21514d8981 3801 /**
AnnaBridge 156:ff21514d8981 3802 * @brief Instance structure for the Q15 FIR lattice filter.
AnnaBridge 156:ff21514d8981 3803 */
AnnaBridge 156:ff21514d8981 3804 typedef struct
AnnaBridge 156:ff21514d8981 3805 {
AnnaBridge 156:ff21514d8981 3806 uint16_t numStages; /**< number of filter stages. */
AnnaBridge 156:ff21514d8981 3807 q15_t *pState; /**< points to the state variable array. The array is of length numStages. */
AnnaBridge 156:ff21514d8981 3808 q15_t *pCoeffs; /**< points to the coefficient array. The array is of length numStages. */
AnnaBridge 156:ff21514d8981 3809 } arm_fir_lattice_instance_q15;
AnnaBridge 156:ff21514d8981 3810
AnnaBridge 156:ff21514d8981 3811 /**
AnnaBridge 156:ff21514d8981 3812 * @brief Instance structure for the Q31 FIR lattice filter.
AnnaBridge 156:ff21514d8981 3813 */
AnnaBridge 156:ff21514d8981 3814 typedef struct
AnnaBridge 156:ff21514d8981 3815 {
AnnaBridge 156:ff21514d8981 3816 uint16_t numStages; /**< number of filter stages. */
AnnaBridge 156:ff21514d8981 3817 q31_t *pState; /**< points to the state variable array. The array is of length numStages. */
AnnaBridge 156:ff21514d8981 3818 q31_t *pCoeffs; /**< points to the coefficient array. The array is of length numStages. */
AnnaBridge 156:ff21514d8981 3819 } arm_fir_lattice_instance_q31;
AnnaBridge 156:ff21514d8981 3820
AnnaBridge 156:ff21514d8981 3821 /**
AnnaBridge 156:ff21514d8981 3822 * @brief Instance structure for the floating-point FIR lattice filter.
AnnaBridge 156:ff21514d8981 3823 */
AnnaBridge 156:ff21514d8981 3824 typedef struct
AnnaBridge 156:ff21514d8981 3825 {
AnnaBridge 156:ff21514d8981 3826 uint16_t numStages; /**< number of filter stages. */
AnnaBridge 156:ff21514d8981 3827 float32_t *pState; /**< points to the state variable array. The array is of length numStages. */
AnnaBridge 156:ff21514d8981 3828 float32_t *pCoeffs; /**< points to the coefficient array. The array is of length numStages. */
AnnaBridge 156:ff21514d8981 3829 } arm_fir_lattice_instance_f32;
AnnaBridge 156:ff21514d8981 3830
AnnaBridge 156:ff21514d8981 3831
AnnaBridge 156:ff21514d8981 3832 /**
AnnaBridge 156:ff21514d8981 3833 * @brief Initialization function for the Q15 FIR lattice filter.
AnnaBridge 156:ff21514d8981 3834 * @param[in] S points to an instance of the Q15 FIR lattice structure.
AnnaBridge 156:ff21514d8981 3835 * @param[in] numStages number of filter stages.
AnnaBridge 156:ff21514d8981 3836 * @param[in] pCoeffs points to the coefficient buffer. The array is of length numStages.
AnnaBridge 156:ff21514d8981 3837 * @param[in] pState points to the state buffer. The array is of length numStages.
AnnaBridge 156:ff21514d8981 3838 */
AnnaBridge 156:ff21514d8981 3839 void arm_fir_lattice_init_q15(
AnnaBridge 156:ff21514d8981 3840 arm_fir_lattice_instance_q15 * S,
AnnaBridge 156:ff21514d8981 3841 uint16_t numStages,
AnnaBridge 156:ff21514d8981 3842 q15_t * pCoeffs,
AnnaBridge 156:ff21514d8981 3843 q15_t * pState);
AnnaBridge 156:ff21514d8981 3844
AnnaBridge 156:ff21514d8981 3845
AnnaBridge 156:ff21514d8981 3846 /**
AnnaBridge 156:ff21514d8981 3847 * @brief Processing function for the Q15 FIR lattice filter.
AnnaBridge 156:ff21514d8981 3848 * @param[in] S points to an instance of the Q15 FIR lattice structure.
AnnaBridge 156:ff21514d8981 3849 * @param[in] pSrc points to the block of input data.
AnnaBridge 156:ff21514d8981 3850 * @param[out] pDst points to the block of output data.
AnnaBridge 156:ff21514d8981 3851 * @param[in] blockSize number of samples to process.
AnnaBridge 156:ff21514d8981 3852 */
AnnaBridge 156:ff21514d8981 3853 void arm_fir_lattice_q15(
AnnaBridge 156:ff21514d8981 3854 const arm_fir_lattice_instance_q15 * S,
AnnaBridge 156:ff21514d8981 3855 q15_t * pSrc,
AnnaBridge 156:ff21514d8981 3856 q15_t * pDst,
AnnaBridge 156:ff21514d8981 3857 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 3858
AnnaBridge 156:ff21514d8981 3859
AnnaBridge 156:ff21514d8981 3860 /**
AnnaBridge 156:ff21514d8981 3861 * @brief Initialization function for the Q31 FIR lattice filter.
AnnaBridge 156:ff21514d8981 3862 * @param[in] S points to an instance of the Q31 FIR lattice structure.
AnnaBridge 156:ff21514d8981 3863 * @param[in] numStages number of filter stages.
AnnaBridge 156:ff21514d8981 3864 * @param[in] pCoeffs points to the coefficient buffer. The array is of length numStages.
AnnaBridge 156:ff21514d8981 3865 * @param[in] pState points to the state buffer. The array is of length numStages.
AnnaBridge 156:ff21514d8981 3866 */
AnnaBridge 156:ff21514d8981 3867 void arm_fir_lattice_init_q31(
AnnaBridge 156:ff21514d8981 3868 arm_fir_lattice_instance_q31 * S,
AnnaBridge 156:ff21514d8981 3869 uint16_t numStages,
AnnaBridge 156:ff21514d8981 3870 q31_t * pCoeffs,
AnnaBridge 156:ff21514d8981 3871 q31_t * pState);
AnnaBridge 156:ff21514d8981 3872
AnnaBridge 156:ff21514d8981 3873
AnnaBridge 156:ff21514d8981 3874 /**
AnnaBridge 156:ff21514d8981 3875 * @brief Processing function for the Q31 FIR lattice filter.
AnnaBridge 156:ff21514d8981 3876 * @param[in] S points to an instance of the Q31 FIR lattice structure.
AnnaBridge 156:ff21514d8981 3877 * @param[in] pSrc points to the block of input data.
AnnaBridge 156:ff21514d8981 3878 * @param[out] pDst points to the block of output data
AnnaBridge 156:ff21514d8981 3879 * @param[in] blockSize number of samples to process.
AnnaBridge 156:ff21514d8981 3880 */
AnnaBridge 156:ff21514d8981 3881 void arm_fir_lattice_q31(
AnnaBridge 156:ff21514d8981 3882 const arm_fir_lattice_instance_q31 * S,
AnnaBridge 156:ff21514d8981 3883 q31_t * pSrc,
AnnaBridge 156:ff21514d8981 3884 q31_t * pDst,
AnnaBridge 156:ff21514d8981 3885 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 3886
AnnaBridge 156:ff21514d8981 3887
AnnaBridge 156:ff21514d8981 3888 /**
AnnaBridge 156:ff21514d8981 3889 * @brief Initialization function for the floating-point FIR lattice filter.
AnnaBridge 156:ff21514d8981 3890 * @param[in] S points to an instance of the floating-point FIR lattice structure.
AnnaBridge 156:ff21514d8981 3891 * @param[in] numStages number of filter stages.
AnnaBridge 156:ff21514d8981 3892 * @param[in] pCoeffs points to the coefficient buffer. The array is of length numStages.
AnnaBridge 156:ff21514d8981 3893 * @param[in] pState points to the state buffer. The array is of length numStages.
AnnaBridge 156:ff21514d8981 3894 */
AnnaBridge 156:ff21514d8981 3895 void arm_fir_lattice_init_f32(
AnnaBridge 156:ff21514d8981 3896 arm_fir_lattice_instance_f32 * S,
AnnaBridge 156:ff21514d8981 3897 uint16_t numStages,
AnnaBridge 156:ff21514d8981 3898 float32_t * pCoeffs,
AnnaBridge 156:ff21514d8981 3899 float32_t * pState);
AnnaBridge 156:ff21514d8981 3900
AnnaBridge 156:ff21514d8981 3901
AnnaBridge 156:ff21514d8981 3902 /**
AnnaBridge 156:ff21514d8981 3903 * @brief Processing function for the floating-point FIR lattice filter.
AnnaBridge 156:ff21514d8981 3904 * @param[in] S points to an instance of the floating-point FIR lattice structure.
AnnaBridge 156:ff21514d8981 3905 * @param[in] pSrc points to the block of input data.
AnnaBridge 156:ff21514d8981 3906 * @param[out] pDst points to the block of output data
AnnaBridge 156:ff21514d8981 3907 * @param[in] blockSize number of samples to process.
AnnaBridge 156:ff21514d8981 3908 */
AnnaBridge 156:ff21514d8981 3909 void arm_fir_lattice_f32(
AnnaBridge 156:ff21514d8981 3910 const arm_fir_lattice_instance_f32 * S,
AnnaBridge 156:ff21514d8981 3911 float32_t * pSrc,
AnnaBridge 156:ff21514d8981 3912 float32_t * pDst,
AnnaBridge 156:ff21514d8981 3913 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 3914
AnnaBridge 156:ff21514d8981 3915
AnnaBridge 156:ff21514d8981 3916 /**
AnnaBridge 156:ff21514d8981 3917 * @brief Instance structure for the Q15 IIR lattice filter.
AnnaBridge 156:ff21514d8981 3918 */
AnnaBridge 156:ff21514d8981 3919 typedef struct
AnnaBridge 156:ff21514d8981 3920 {
AnnaBridge 156:ff21514d8981 3921 uint16_t numStages; /**< number of stages in the filter. */
AnnaBridge 156:ff21514d8981 3922 q15_t *pState; /**< points to the state variable array. The array is of length numStages+blockSize. */
AnnaBridge 156:ff21514d8981 3923 q15_t *pkCoeffs; /**< points to the reflection coefficient array. The array is of length numStages. */
AnnaBridge 156:ff21514d8981 3924 q15_t *pvCoeffs; /**< points to the ladder coefficient array. The array is of length numStages+1. */
AnnaBridge 156:ff21514d8981 3925 } arm_iir_lattice_instance_q15;
AnnaBridge 156:ff21514d8981 3926
AnnaBridge 156:ff21514d8981 3927 /**
AnnaBridge 156:ff21514d8981 3928 * @brief Instance structure for the Q31 IIR lattice filter.
AnnaBridge 156:ff21514d8981 3929 */
AnnaBridge 156:ff21514d8981 3930 typedef struct
AnnaBridge 156:ff21514d8981 3931 {
AnnaBridge 156:ff21514d8981 3932 uint16_t numStages; /**< number of stages in the filter. */
AnnaBridge 156:ff21514d8981 3933 q31_t *pState; /**< points to the state variable array. The array is of length numStages+blockSize. */
AnnaBridge 156:ff21514d8981 3934 q31_t *pkCoeffs; /**< points to the reflection coefficient array. The array is of length numStages. */
AnnaBridge 156:ff21514d8981 3935 q31_t *pvCoeffs; /**< points to the ladder coefficient array. The array is of length numStages+1. */
AnnaBridge 156:ff21514d8981 3936 } arm_iir_lattice_instance_q31;
AnnaBridge 156:ff21514d8981 3937
AnnaBridge 156:ff21514d8981 3938 /**
AnnaBridge 156:ff21514d8981 3939 * @brief Instance structure for the floating-point IIR lattice filter.
AnnaBridge 156:ff21514d8981 3940 */
AnnaBridge 156:ff21514d8981 3941 typedef struct
AnnaBridge 156:ff21514d8981 3942 {
AnnaBridge 156:ff21514d8981 3943 uint16_t numStages; /**< number of stages in the filter. */
AnnaBridge 156:ff21514d8981 3944 float32_t *pState; /**< points to the state variable array. The array is of length numStages+blockSize. */
AnnaBridge 156:ff21514d8981 3945 float32_t *pkCoeffs; /**< points to the reflection coefficient array. The array is of length numStages. */
AnnaBridge 156:ff21514d8981 3946 float32_t *pvCoeffs; /**< points to the ladder coefficient array. The array is of length numStages+1. */
AnnaBridge 156:ff21514d8981 3947 } arm_iir_lattice_instance_f32;
AnnaBridge 156:ff21514d8981 3948
AnnaBridge 156:ff21514d8981 3949
AnnaBridge 156:ff21514d8981 3950 /**
AnnaBridge 156:ff21514d8981 3951 * @brief Processing function for the floating-point IIR lattice filter.
AnnaBridge 156:ff21514d8981 3952 * @param[in] S points to an instance of the floating-point IIR lattice structure.
AnnaBridge 156:ff21514d8981 3953 * @param[in] pSrc points to the block of input data.
AnnaBridge 156:ff21514d8981 3954 * @param[out] pDst points to the block of output data.
AnnaBridge 156:ff21514d8981 3955 * @param[in] blockSize number of samples to process.
AnnaBridge 156:ff21514d8981 3956 */
AnnaBridge 156:ff21514d8981 3957 void arm_iir_lattice_f32(
AnnaBridge 156:ff21514d8981 3958 const arm_iir_lattice_instance_f32 * S,
AnnaBridge 156:ff21514d8981 3959 float32_t * pSrc,
AnnaBridge 156:ff21514d8981 3960 float32_t * pDst,
AnnaBridge 156:ff21514d8981 3961 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 3962
AnnaBridge 156:ff21514d8981 3963
AnnaBridge 156:ff21514d8981 3964 /**
AnnaBridge 156:ff21514d8981 3965 * @brief Initialization function for the floating-point IIR lattice filter.
AnnaBridge 156:ff21514d8981 3966 * @param[in] S points to an instance of the floating-point IIR lattice structure.
AnnaBridge 156:ff21514d8981 3967 * @param[in] numStages number of stages in the filter.
AnnaBridge 156:ff21514d8981 3968 * @param[in] pkCoeffs points to the reflection coefficient buffer. The array is of length numStages.
AnnaBridge 156:ff21514d8981 3969 * @param[in] pvCoeffs points to the ladder coefficient buffer. The array is of length numStages+1.
AnnaBridge 156:ff21514d8981 3970 * @param[in] pState points to the state buffer. The array is of length numStages+blockSize-1.
AnnaBridge 156:ff21514d8981 3971 * @param[in] blockSize number of samples to process.
AnnaBridge 156:ff21514d8981 3972 */
AnnaBridge 156:ff21514d8981 3973 void arm_iir_lattice_init_f32(
AnnaBridge 156:ff21514d8981 3974 arm_iir_lattice_instance_f32 * S,
AnnaBridge 156:ff21514d8981 3975 uint16_t numStages,
AnnaBridge 156:ff21514d8981 3976 float32_t * pkCoeffs,
AnnaBridge 156:ff21514d8981 3977 float32_t * pvCoeffs,
AnnaBridge 156:ff21514d8981 3978 float32_t * pState,
AnnaBridge 156:ff21514d8981 3979 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 3980
AnnaBridge 156:ff21514d8981 3981
AnnaBridge 156:ff21514d8981 3982 /**
AnnaBridge 156:ff21514d8981 3983 * @brief Processing function for the Q31 IIR lattice filter.
AnnaBridge 156:ff21514d8981 3984 * @param[in] S points to an instance of the Q31 IIR lattice structure.
AnnaBridge 156:ff21514d8981 3985 * @param[in] pSrc points to the block of input data.
AnnaBridge 156:ff21514d8981 3986 * @param[out] pDst points to the block of output data.
AnnaBridge 156:ff21514d8981 3987 * @param[in] blockSize number of samples to process.
AnnaBridge 156:ff21514d8981 3988 */
AnnaBridge 156:ff21514d8981 3989 void arm_iir_lattice_q31(
AnnaBridge 156:ff21514d8981 3990 const arm_iir_lattice_instance_q31 * S,
AnnaBridge 156:ff21514d8981 3991 q31_t * pSrc,
AnnaBridge 156:ff21514d8981 3992 q31_t * pDst,
AnnaBridge 156:ff21514d8981 3993 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 3994
AnnaBridge 156:ff21514d8981 3995
AnnaBridge 156:ff21514d8981 3996 /**
AnnaBridge 156:ff21514d8981 3997 * @brief Initialization function for the Q31 IIR lattice filter.
AnnaBridge 156:ff21514d8981 3998 * @param[in] S points to an instance of the Q31 IIR lattice structure.
AnnaBridge 156:ff21514d8981 3999 * @param[in] numStages number of stages in the filter.
AnnaBridge 156:ff21514d8981 4000 * @param[in] pkCoeffs points to the reflection coefficient buffer. The array is of length numStages.
AnnaBridge 156:ff21514d8981 4001 * @param[in] pvCoeffs points to the ladder coefficient buffer. The array is of length numStages+1.
AnnaBridge 156:ff21514d8981 4002 * @param[in] pState points to the state buffer. The array is of length numStages+blockSize.
AnnaBridge 156:ff21514d8981 4003 * @param[in] blockSize number of samples to process.
AnnaBridge 156:ff21514d8981 4004 */
AnnaBridge 156:ff21514d8981 4005 void arm_iir_lattice_init_q31(
AnnaBridge 156:ff21514d8981 4006 arm_iir_lattice_instance_q31 * S,
AnnaBridge 156:ff21514d8981 4007 uint16_t numStages,
AnnaBridge 156:ff21514d8981 4008 q31_t * pkCoeffs,
AnnaBridge 156:ff21514d8981 4009 q31_t * pvCoeffs,
AnnaBridge 156:ff21514d8981 4010 q31_t * pState,
AnnaBridge 156:ff21514d8981 4011 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 4012
AnnaBridge 156:ff21514d8981 4013
AnnaBridge 156:ff21514d8981 4014 /**
AnnaBridge 156:ff21514d8981 4015 * @brief Processing function for the Q15 IIR lattice filter.
AnnaBridge 156:ff21514d8981 4016 * @param[in] S points to an instance of the Q15 IIR lattice structure.
AnnaBridge 156:ff21514d8981 4017 * @param[in] pSrc points to the block of input data.
AnnaBridge 156:ff21514d8981 4018 * @param[out] pDst points to the block of output data.
AnnaBridge 156:ff21514d8981 4019 * @param[in] blockSize number of samples to process.
AnnaBridge 156:ff21514d8981 4020 */
AnnaBridge 156:ff21514d8981 4021 void arm_iir_lattice_q15(
AnnaBridge 156:ff21514d8981 4022 const arm_iir_lattice_instance_q15 * S,
AnnaBridge 156:ff21514d8981 4023 q15_t * pSrc,
AnnaBridge 156:ff21514d8981 4024 q15_t * pDst,
AnnaBridge 156:ff21514d8981 4025 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 4026
AnnaBridge 156:ff21514d8981 4027
AnnaBridge 156:ff21514d8981 4028 /**
AnnaBridge 156:ff21514d8981 4029 * @brief Initialization function for the Q15 IIR lattice filter.
AnnaBridge 156:ff21514d8981 4030 * @param[in] S points to an instance of the fixed-point Q15 IIR lattice structure.
AnnaBridge 156:ff21514d8981 4031 * @param[in] numStages number of stages in the filter.
AnnaBridge 156:ff21514d8981 4032 * @param[in] pkCoeffs points to reflection coefficient buffer. The array is of length numStages.
AnnaBridge 156:ff21514d8981 4033 * @param[in] pvCoeffs points to ladder coefficient buffer. The array is of length numStages+1.
AnnaBridge 156:ff21514d8981 4034 * @param[in] pState points to state buffer. The array is of length numStages+blockSize.
AnnaBridge 156:ff21514d8981 4035 * @param[in] blockSize number of samples to process per call.
AnnaBridge 156:ff21514d8981 4036 */
AnnaBridge 156:ff21514d8981 4037 void arm_iir_lattice_init_q15(
AnnaBridge 156:ff21514d8981 4038 arm_iir_lattice_instance_q15 * S,
AnnaBridge 156:ff21514d8981 4039 uint16_t numStages,
AnnaBridge 156:ff21514d8981 4040 q15_t * pkCoeffs,
AnnaBridge 156:ff21514d8981 4041 q15_t * pvCoeffs,
AnnaBridge 156:ff21514d8981 4042 q15_t * pState,
AnnaBridge 156:ff21514d8981 4043 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 4044
AnnaBridge 156:ff21514d8981 4045
AnnaBridge 156:ff21514d8981 4046 /**
AnnaBridge 156:ff21514d8981 4047 * @brief Instance structure for the floating-point LMS filter.
AnnaBridge 156:ff21514d8981 4048 */
AnnaBridge 156:ff21514d8981 4049 typedef struct
AnnaBridge 156:ff21514d8981 4050 {
AnnaBridge 156:ff21514d8981 4051 uint16_t numTaps; /**< number of coefficients in the filter. */
AnnaBridge 156:ff21514d8981 4052 float32_t *pState; /**< points to the state variable array. The array is of length numTaps+blockSize-1. */
AnnaBridge 156:ff21514d8981 4053 float32_t *pCoeffs; /**< points to the coefficient array. The array is of length numTaps. */
AnnaBridge 156:ff21514d8981 4054 float32_t mu; /**< step size that controls filter coefficient updates. */
AnnaBridge 156:ff21514d8981 4055 } arm_lms_instance_f32;
AnnaBridge 156:ff21514d8981 4056
AnnaBridge 156:ff21514d8981 4057
AnnaBridge 156:ff21514d8981 4058 /**
AnnaBridge 156:ff21514d8981 4059 * @brief Processing function for floating-point LMS filter.
AnnaBridge 156:ff21514d8981 4060 * @param[in] S points to an instance of the floating-point LMS filter structure.
AnnaBridge 156:ff21514d8981 4061 * @param[in] pSrc points to the block of input data.
AnnaBridge 156:ff21514d8981 4062 * @param[in] pRef points to the block of reference data.
AnnaBridge 156:ff21514d8981 4063 * @param[out] pOut points to the block of output data.
AnnaBridge 156:ff21514d8981 4064 * @param[out] pErr points to the block of error data.
AnnaBridge 156:ff21514d8981 4065 * @param[in] blockSize number of samples to process.
AnnaBridge 156:ff21514d8981 4066 */
AnnaBridge 156:ff21514d8981 4067 void arm_lms_f32(
AnnaBridge 156:ff21514d8981 4068 const arm_lms_instance_f32 * S,
AnnaBridge 156:ff21514d8981 4069 float32_t * pSrc,
AnnaBridge 156:ff21514d8981 4070 float32_t * pRef,
AnnaBridge 156:ff21514d8981 4071 float32_t * pOut,
AnnaBridge 156:ff21514d8981 4072 float32_t * pErr,
AnnaBridge 156:ff21514d8981 4073 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 4074
AnnaBridge 156:ff21514d8981 4075
AnnaBridge 156:ff21514d8981 4076 /**
AnnaBridge 156:ff21514d8981 4077 * @brief Initialization function for floating-point LMS filter.
AnnaBridge 156:ff21514d8981 4078 * @param[in] S points to an instance of the floating-point LMS filter structure.
AnnaBridge 156:ff21514d8981 4079 * @param[in] numTaps number of filter coefficients.
AnnaBridge 156:ff21514d8981 4080 * @param[in] pCoeffs points to the coefficient buffer.
AnnaBridge 156:ff21514d8981 4081 * @param[in] pState points to state buffer.
AnnaBridge 156:ff21514d8981 4082 * @param[in] mu step size that controls filter coefficient updates.
AnnaBridge 156:ff21514d8981 4083 * @param[in] blockSize number of samples to process.
AnnaBridge 156:ff21514d8981 4084 */
AnnaBridge 156:ff21514d8981 4085 void arm_lms_init_f32(
AnnaBridge 156:ff21514d8981 4086 arm_lms_instance_f32 * S,
AnnaBridge 156:ff21514d8981 4087 uint16_t numTaps,
AnnaBridge 156:ff21514d8981 4088 float32_t * pCoeffs,
AnnaBridge 156:ff21514d8981 4089 float32_t * pState,
AnnaBridge 156:ff21514d8981 4090 float32_t mu,
AnnaBridge 156:ff21514d8981 4091 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 4092
AnnaBridge 156:ff21514d8981 4093
AnnaBridge 156:ff21514d8981 4094 /**
AnnaBridge 156:ff21514d8981 4095 * @brief Instance structure for the Q15 LMS filter.
AnnaBridge 156:ff21514d8981 4096 */
AnnaBridge 156:ff21514d8981 4097 typedef struct
AnnaBridge 156:ff21514d8981 4098 {
AnnaBridge 156:ff21514d8981 4099 uint16_t numTaps; /**< number of coefficients in the filter. */
AnnaBridge 156:ff21514d8981 4100 q15_t *pState; /**< points to the state variable array. The array is of length numTaps+blockSize-1. */
AnnaBridge 156:ff21514d8981 4101 q15_t *pCoeffs; /**< points to the coefficient array. The array is of length numTaps. */
AnnaBridge 156:ff21514d8981 4102 q15_t mu; /**< step size that controls filter coefficient updates. */
AnnaBridge 156:ff21514d8981 4103 uint32_t postShift; /**< bit shift applied to coefficients. */
AnnaBridge 156:ff21514d8981 4104 } arm_lms_instance_q15;
AnnaBridge 156:ff21514d8981 4105
AnnaBridge 156:ff21514d8981 4106
AnnaBridge 156:ff21514d8981 4107 /**
AnnaBridge 156:ff21514d8981 4108 * @brief Initialization function for the Q15 LMS filter.
AnnaBridge 156:ff21514d8981 4109 * @param[in] S points to an instance of the Q15 LMS filter structure.
AnnaBridge 156:ff21514d8981 4110 * @param[in] numTaps number of filter coefficients.
AnnaBridge 156:ff21514d8981 4111 * @param[in] pCoeffs points to the coefficient buffer.
AnnaBridge 156:ff21514d8981 4112 * @param[in] pState points to the state buffer.
AnnaBridge 156:ff21514d8981 4113 * @param[in] mu step size that controls filter coefficient updates.
AnnaBridge 156:ff21514d8981 4114 * @param[in] blockSize number of samples to process.
AnnaBridge 156:ff21514d8981 4115 * @param[in] postShift bit shift applied to coefficients.
AnnaBridge 156:ff21514d8981 4116 */
AnnaBridge 156:ff21514d8981 4117 void arm_lms_init_q15(
AnnaBridge 156:ff21514d8981 4118 arm_lms_instance_q15 * S,
AnnaBridge 156:ff21514d8981 4119 uint16_t numTaps,
AnnaBridge 156:ff21514d8981 4120 q15_t * pCoeffs,
AnnaBridge 156:ff21514d8981 4121 q15_t * pState,
AnnaBridge 156:ff21514d8981 4122 q15_t mu,
AnnaBridge 156:ff21514d8981 4123 uint32_t blockSize,
AnnaBridge 156:ff21514d8981 4124 uint32_t postShift);
AnnaBridge 156:ff21514d8981 4125
AnnaBridge 156:ff21514d8981 4126
AnnaBridge 156:ff21514d8981 4127 /**
AnnaBridge 156:ff21514d8981 4128 * @brief Processing function for Q15 LMS filter.
AnnaBridge 156:ff21514d8981 4129 * @param[in] S points to an instance of the Q15 LMS filter structure.
AnnaBridge 156:ff21514d8981 4130 * @param[in] pSrc points to the block of input data.
AnnaBridge 156:ff21514d8981 4131 * @param[in] pRef points to the block of reference data.
AnnaBridge 156:ff21514d8981 4132 * @param[out] pOut points to the block of output data.
AnnaBridge 156:ff21514d8981 4133 * @param[out] pErr points to the block of error data.
AnnaBridge 156:ff21514d8981 4134 * @param[in] blockSize number of samples to process.
AnnaBridge 156:ff21514d8981 4135 */
AnnaBridge 156:ff21514d8981 4136 void arm_lms_q15(
AnnaBridge 156:ff21514d8981 4137 const arm_lms_instance_q15 * S,
AnnaBridge 156:ff21514d8981 4138 q15_t * pSrc,
AnnaBridge 156:ff21514d8981 4139 q15_t * pRef,
AnnaBridge 156:ff21514d8981 4140 q15_t * pOut,
AnnaBridge 156:ff21514d8981 4141 q15_t * pErr,
AnnaBridge 156:ff21514d8981 4142 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 4143
AnnaBridge 156:ff21514d8981 4144
AnnaBridge 156:ff21514d8981 4145 /**
AnnaBridge 156:ff21514d8981 4146 * @brief Instance structure for the Q31 LMS filter.
AnnaBridge 156:ff21514d8981 4147 */
AnnaBridge 156:ff21514d8981 4148 typedef struct
AnnaBridge 156:ff21514d8981 4149 {
AnnaBridge 156:ff21514d8981 4150 uint16_t numTaps; /**< number of coefficients in the filter. */
AnnaBridge 156:ff21514d8981 4151 q31_t *pState; /**< points to the state variable array. The array is of length numTaps+blockSize-1. */
AnnaBridge 156:ff21514d8981 4152 q31_t *pCoeffs; /**< points to the coefficient array. The array is of length numTaps. */
AnnaBridge 156:ff21514d8981 4153 q31_t mu; /**< step size that controls filter coefficient updates. */
AnnaBridge 156:ff21514d8981 4154 uint32_t postShift; /**< bit shift applied to coefficients. */
AnnaBridge 156:ff21514d8981 4155 } arm_lms_instance_q31;
AnnaBridge 156:ff21514d8981 4156
AnnaBridge 156:ff21514d8981 4157
AnnaBridge 156:ff21514d8981 4158 /**
AnnaBridge 156:ff21514d8981 4159 * @brief Processing function for Q31 LMS filter.
AnnaBridge 156:ff21514d8981 4160 * @param[in] S points to an instance of the Q15 LMS filter structure.
AnnaBridge 156:ff21514d8981 4161 * @param[in] pSrc points to the block of input data.
AnnaBridge 156:ff21514d8981 4162 * @param[in] pRef points to the block of reference data.
AnnaBridge 156:ff21514d8981 4163 * @param[out] pOut points to the block of output data.
AnnaBridge 156:ff21514d8981 4164 * @param[out] pErr points to the block of error data.
AnnaBridge 156:ff21514d8981 4165 * @param[in] blockSize number of samples to process.
AnnaBridge 156:ff21514d8981 4166 */
AnnaBridge 156:ff21514d8981 4167 void arm_lms_q31(
AnnaBridge 156:ff21514d8981 4168 const arm_lms_instance_q31 * S,
AnnaBridge 156:ff21514d8981 4169 q31_t * pSrc,
AnnaBridge 156:ff21514d8981 4170 q31_t * pRef,
AnnaBridge 156:ff21514d8981 4171 q31_t * pOut,
AnnaBridge 156:ff21514d8981 4172 q31_t * pErr,
AnnaBridge 156:ff21514d8981 4173 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 4174
AnnaBridge 156:ff21514d8981 4175
AnnaBridge 156:ff21514d8981 4176 /**
AnnaBridge 156:ff21514d8981 4177 * @brief Initialization function for Q31 LMS filter.
AnnaBridge 156:ff21514d8981 4178 * @param[in] S points to an instance of the Q31 LMS filter structure.
AnnaBridge 156:ff21514d8981 4179 * @param[in] numTaps number of filter coefficients.
AnnaBridge 156:ff21514d8981 4180 * @param[in] pCoeffs points to coefficient buffer.
AnnaBridge 156:ff21514d8981 4181 * @param[in] pState points to state buffer.
AnnaBridge 156:ff21514d8981 4182 * @param[in] mu step size that controls filter coefficient updates.
AnnaBridge 156:ff21514d8981 4183 * @param[in] blockSize number of samples to process.
AnnaBridge 156:ff21514d8981 4184 * @param[in] postShift bit shift applied to coefficients.
AnnaBridge 156:ff21514d8981 4185 */
AnnaBridge 156:ff21514d8981 4186 void arm_lms_init_q31(
AnnaBridge 156:ff21514d8981 4187 arm_lms_instance_q31 * S,
AnnaBridge 156:ff21514d8981 4188 uint16_t numTaps,
AnnaBridge 156:ff21514d8981 4189 q31_t * pCoeffs,
AnnaBridge 156:ff21514d8981 4190 q31_t * pState,
AnnaBridge 156:ff21514d8981 4191 q31_t mu,
AnnaBridge 156:ff21514d8981 4192 uint32_t blockSize,
AnnaBridge 156:ff21514d8981 4193 uint32_t postShift);
AnnaBridge 156:ff21514d8981 4194
AnnaBridge 156:ff21514d8981 4195
AnnaBridge 156:ff21514d8981 4196 /**
AnnaBridge 156:ff21514d8981 4197 * @brief Instance structure for the floating-point normalized LMS filter.
AnnaBridge 156:ff21514d8981 4198 */
AnnaBridge 156:ff21514d8981 4199 typedef struct
AnnaBridge 156:ff21514d8981 4200 {
AnnaBridge 156:ff21514d8981 4201 uint16_t numTaps; /**< number of coefficients in the filter. */
AnnaBridge 156:ff21514d8981 4202 float32_t *pState; /**< points to the state variable array. The array is of length numTaps+blockSize-1. */
AnnaBridge 156:ff21514d8981 4203 float32_t *pCoeffs; /**< points to the coefficient array. The array is of length numTaps. */
AnnaBridge 156:ff21514d8981 4204 float32_t mu; /**< step size that control filter coefficient updates. */
AnnaBridge 156:ff21514d8981 4205 float32_t energy; /**< saves previous frame energy. */
AnnaBridge 156:ff21514d8981 4206 float32_t x0; /**< saves previous input sample. */
AnnaBridge 156:ff21514d8981 4207 } arm_lms_norm_instance_f32;
AnnaBridge 156:ff21514d8981 4208
AnnaBridge 156:ff21514d8981 4209
AnnaBridge 156:ff21514d8981 4210 /**
AnnaBridge 156:ff21514d8981 4211 * @brief Processing function for floating-point normalized LMS filter.
AnnaBridge 156:ff21514d8981 4212 * @param[in] S points to an instance of the floating-point normalized LMS filter structure.
AnnaBridge 156:ff21514d8981 4213 * @param[in] pSrc points to the block of input data.
AnnaBridge 156:ff21514d8981 4214 * @param[in] pRef points to the block of reference data.
AnnaBridge 156:ff21514d8981 4215 * @param[out] pOut points to the block of output data.
AnnaBridge 156:ff21514d8981 4216 * @param[out] pErr points to the block of error data.
AnnaBridge 156:ff21514d8981 4217 * @param[in] blockSize number of samples to process.
AnnaBridge 156:ff21514d8981 4218 */
AnnaBridge 156:ff21514d8981 4219 void arm_lms_norm_f32(
AnnaBridge 156:ff21514d8981 4220 arm_lms_norm_instance_f32 * S,
AnnaBridge 156:ff21514d8981 4221 float32_t * pSrc,
AnnaBridge 156:ff21514d8981 4222 float32_t * pRef,
AnnaBridge 156:ff21514d8981 4223 float32_t * pOut,
AnnaBridge 156:ff21514d8981 4224 float32_t * pErr,
AnnaBridge 156:ff21514d8981 4225 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 4226
AnnaBridge 156:ff21514d8981 4227
AnnaBridge 156:ff21514d8981 4228 /**
AnnaBridge 156:ff21514d8981 4229 * @brief Initialization function for floating-point normalized LMS filter.
AnnaBridge 156:ff21514d8981 4230 * @param[in] S points to an instance of the floating-point LMS filter structure.
AnnaBridge 156:ff21514d8981 4231 * @param[in] numTaps number of filter coefficients.
AnnaBridge 156:ff21514d8981 4232 * @param[in] pCoeffs points to coefficient buffer.
AnnaBridge 156:ff21514d8981 4233 * @param[in] pState points to state buffer.
AnnaBridge 156:ff21514d8981 4234 * @param[in] mu step size that controls filter coefficient updates.
AnnaBridge 156:ff21514d8981 4235 * @param[in] blockSize number of samples to process.
AnnaBridge 156:ff21514d8981 4236 */
AnnaBridge 156:ff21514d8981 4237 void arm_lms_norm_init_f32(
AnnaBridge 156:ff21514d8981 4238 arm_lms_norm_instance_f32 * S,
AnnaBridge 156:ff21514d8981 4239 uint16_t numTaps,
AnnaBridge 156:ff21514d8981 4240 float32_t * pCoeffs,
AnnaBridge 156:ff21514d8981 4241 float32_t * pState,
AnnaBridge 156:ff21514d8981 4242 float32_t mu,
AnnaBridge 156:ff21514d8981 4243 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 4244
AnnaBridge 156:ff21514d8981 4245
AnnaBridge 156:ff21514d8981 4246 /**
AnnaBridge 156:ff21514d8981 4247 * @brief Instance structure for the Q31 normalized LMS filter.
AnnaBridge 156:ff21514d8981 4248 */
AnnaBridge 156:ff21514d8981 4249 typedef struct
AnnaBridge 156:ff21514d8981 4250 {
AnnaBridge 156:ff21514d8981 4251 uint16_t numTaps; /**< number of coefficients in the filter. */
AnnaBridge 156:ff21514d8981 4252 q31_t *pState; /**< points to the state variable array. The array is of length numTaps+blockSize-1. */
AnnaBridge 156:ff21514d8981 4253 q31_t *pCoeffs; /**< points to the coefficient array. The array is of length numTaps. */
AnnaBridge 156:ff21514d8981 4254 q31_t mu; /**< step size that controls filter coefficient updates. */
AnnaBridge 156:ff21514d8981 4255 uint8_t postShift; /**< bit shift applied to coefficients. */
AnnaBridge 156:ff21514d8981 4256 q31_t *recipTable; /**< points to the reciprocal initial value table. */
AnnaBridge 156:ff21514d8981 4257 q31_t energy; /**< saves previous frame energy. */
AnnaBridge 156:ff21514d8981 4258 q31_t x0; /**< saves previous input sample. */
AnnaBridge 156:ff21514d8981 4259 } arm_lms_norm_instance_q31;
AnnaBridge 156:ff21514d8981 4260
AnnaBridge 156:ff21514d8981 4261
AnnaBridge 156:ff21514d8981 4262 /**
AnnaBridge 156:ff21514d8981 4263 * @brief Processing function for Q31 normalized LMS filter.
AnnaBridge 156:ff21514d8981 4264 * @param[in] S points to an instance of the Q31 normalized LMS filter structure.
AnnaBridge 156:ff21514d8981 4265 * @param[in] pSrc points to the block of input data.
AnnaBridge 156:ff21514d8981 4266 * @param[in] pRef points to the block of reference data.
AnnaBridge 156:ff21514d8981 4267 * @param[out] pOut points to the block of output data.
AnnaBridge 156:ff21514d8981 4268 * @param[out] pErr points to the block of error data.
AnnaBridge 156:ff21514d8981 4269 * @param[in] blockSize number of samples to process.
AnnaBridge 156:ff21514d8981 4270 */
AnnaBridge 156:ff21514d8981 4271 void arm_lms_norm_q31(
AnnaBridge 156:ff21514d8981 4272 arm_lms_norm_instance_q31 * S,
AnnaBridge 156:ff21514d8981 4273 q31_t * pSrc,
AnnaBridge 156:ff21514d8981 4274 q31_t * pRef,
AnnaBridge 156:ff21514d8981 4275 q31_t * pOut,
AnnaBridge 156:ff21514d8981 4276 q31_t * pErr,
AnnaBridge 156:ff21514d8981 4277 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 4278
AnnaBridge 156:ff21514d8981 4279
AnnaBridge 156:ff21514d8981 4280 /**
AnnaBridge 156:ff21514d8981 4281 * @brief Initialization function for Q31 normalized LMS filter.
AnnaBridge 156:ff21514d8981 4282 * @param[in] S points to an instance of the Q31 normalized LMS filter structure.
AnnaBridge 156:ff21514d8981 4283 * @param[in] numTaps number of filter coefficients.
AnnaBridge 156:ff21514d8981 4284 * @param[in] pCoeffs points to coefficient buffer.
AnnaBridge 156:ff21514d8981 4285 * @param[in] pState points to state buffer.
AnnaBridge 156:ff21514d8981 4286 * @param[in] mu step size that controls filter coefficient updates.
AnnaBridge 156:ff21514d8981 4287 * @param[in] blockSize number of samples to process.
AnnaBridge 156:ff21514d8981 4288 * @param[in] postShift bit shift applied to coefficients.
AnnaBridge 156:ff21514d8981 4289 */
AnnaBridge 156:ff21514d8981 4290 void arm_lms_norm_init_q31(
AnnaBridge 156:ff21514d8981 4291 arm_lms_norm_instance_q31 * S,
AnnaBridge 156:ff21514d8981 4292 uint16_t numTaps,
AnnaBridge 156:ff21514d8981 4293 q31_t * pCoeffs,
AnnaBridge 156:ff21514d8981 4294 q31_t * pState,
AnnaBridge 156:ff21514d8981 4295 q31_t mu,
AnnaBridge 156:ff21514d8981 4296 uint32_t blockSize,
AnnaBridge 156:ff21514d8981 4297 uint8_t postShift);
AnnaBridge 156:ff21514d8981 4298
AnnaBridge 156:ff21514d8981 4299
AnnaBridge 156:ff21514d8981 4300 /**
AnnaBridge 156:ff21514d8981 4301 * @brief Instance structure for the Q15 normalized LMS filter.
AnnaBridge 156:ff21514d8981 4302 */
AnnaBridge 156:ff21514d8981 4303 typedef struct
AnnaBridge 156:ff21514d8981 4304 {
AnnaBridge 156:ff21514d8981 4305 uint16_t numTaps; /**< Number of coefficients in the filter. */
AnnaBridge 156:ff21514d8981 4306 q15_t *pState; /**< points to the state variable array. The array is of length numTaps+blockSize-1. */
AnnaBridge 156:ff21514d8981 4307 q15_t *pCoeffs; /**< points to the coefficient array. The array is of length numTaps. */
AnnaBridge 156:ff21514d8981 4308 q15_t mu; /**< step size that controls filter coefficient updates. */
AnnaBridge 156:ff21514d8981 4309 uint8_t postShift; /**< bit shift applied to coefficients. */
AnnaBridge 156:ff21514d8981 4310 q15_t *recipTable; /**< Points to the reciprocal initial value table. */
AnnaBridge 156:ff21514d8981 4311 q15_t energy; /**< saves previous frame energy. */
AnnaBridge 156:ff21514d8981 4312 q15_t x0; /**< saves previous input sample. */
AnnaBridge 156:ff21514d8981 4313 } arm_lms_norm_instance_q15;
AnnaBridge 156:ff21514d8981 4314
AnnaBridge 156:ff21514d8981 4315
AnnaBridge 156:ff21514d8981 4316 /**
AnnaBridge 156:ff21514d8981 4317 * @brief Processing function for Q15 normalized LMS filter.
AnnaBridge 156:ff21514d8981 4318 * @param[in] S points to an instance of the Q15 normalized LMS filter structure.
AnnaBridge 156:ff21514d8981 4319 * @param[in] pSrc points to the block of input data.
AnnaBridge 156:ff21514d8981 4320 * @param[in] pRef points to the block of reference data.
AnnaBridge 156:ff21514d8981 4321 * @param[out] pOut points to the block of output data.
AnnaBridge 156:ff21514d8981 4322 * @param[out] pErr points to the block of error data.
AnnaBridge 156:ff21514d8981 4323 * @param[in] blockSize number of samples to process.
AnnaBridge 156:ff21514d8981 4324 */
AnnaBridge 156:ff21514d8981 4325 void arm_lms_norm_q15(
AnnaBridge 156:ff21514d8981 4326 arm_lms_norm_instance_q15 * S,
AnnaBridge 156:ff21514d8981 4327 q15_t * pSrc,
AnnaBridge 156:ff21514d8981 4328 q15_t * pRef,
AnnaBridge 156:ff21514d8981 4329 q15_t * pOut,
AnnaBridge 156:ff21514d8981 4330 q15_t * pErr,
AnnaBridge 156:ff21514d8981 4331 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 4332
AnnaBridge 156:ff21514d8981 4333
AnnaBridge 156:ff21514d8981 4334 /**
AnnaBridge 156:ff21514d8981 4335 * @brief Initialization function for Q15 normalized LMS filter.
AnnaBridge 156:ff21514d8981 4336 * @param[in] S points to an instance of the Q15 normalized LMS filter structure.
AnnaBridge 156:ff21514d8981 4337 * @param[in] numTaps number of filter coefficients.
AnnaBridge 156:ff21514d8981 4338 * @param[in] pCoeffs points to coefficient buffer.
AnnaBridge 156:ff21514d8981 4339 * @param[in] pState points to state buffer.
AnnaBridge 156:ff21514d8981 4340 * @param[in] mu step size that controls filter coefficient updates.
AnnaBridge 156:ff21514d8981 4341 * @param[in] blockSize number of samples to process.
AnnaBridge 156:ff21514d8981 4342 * @param[in] postShift bit shift applied to coefficients.
AnnaBridge 156:ff21514d8981 4343 */
AnnaBridge 156:ff21514d8981 4344 void arm_lms_norm_init_q15(
AnnaBridge 156:ff21514d8981 4345 arm_lms_norm_instance_q15 * S,
AnnaBridge 156:ff21514d8981 4346 uint16_t numTaps,
AnnaBridge 156:ff21514d8981 4347 q15_t * pCoeffs,
AnnaBridge 156:ff21514d8981 4348 q15_t * pState,
AnnaBridge 156:ff21514d8981 4349 q15_t mu,
AnnaBridge 156:ff21514d8981 4350 uint32_t blockSize,
AnnaBridge 156:ff21514d8981 4351 uint8_t postShift);
AnnaBridge 156:ff21514d8981 4352
AnnaBridge 156:ff21514d8981 4353
AnnaBridge 156:ff21514d8981 4354 /**
AnnaBridge 156:ff21514d8981 4355 * @brief Correlation of floating-point sequences.
AnnaBridge 156:ff21514d8981 4356 * @param[in] pSrcA points to the first input sequence.
AnnaBridge 156:ff21514d8981 4357 * @param[in] srcALen length of the first input sequence.
AnnaBridge 156:ff21514d8981 4358 * @param[in] pSrcB points to the second input sequence.
AnnaBridge 156:ff21514d8981 4359 * @param[in] srcBLen length of the second input sequence.
AnnaBridge 156:ff21514d8981 4360 * @param[out] pDst points to the block of output data Length 2 * max(srcALen, srcBLen) - 1.
AnnaBridge 156:ff21514d8981 4361 */
AnnaBridge 156:ff21514d8981 4362 void arm_correlate_f32(
AnnaBridge 156:ff21514d8981 4363 float32_t * pSrcA,
AnnaBridge 156:ff21514d8981 4364 uint32_t srcALen,
AnnaBridge 156:ff21514d8981 4365 float32_t * pSrcB,
AnnaBridge 156:ff21514d8981 4366 uint32_t srcBLen,
AnnaBridge 156:ff21514d8981 4367 float32_t * pDst);
AnnaBridge 156:ff21514d8981 4368
AnnaBridge 156:ff21514d8981 4369
AnnaBridge 156:ff21514d8981 4370 /**
AnnaBridge 156:ff21514d8981 4371 * @brief Correlation of Q15 sequences
AnnaBridge 156:ff21514d8981 4372 * @param[in] pSrcA points to the first input sequence.
AnnaBridge 156:ff21514d8981 4373 * @param[in] srcALen length of the first input sequence.
AnnaBridge 156:ff21514d8981 4374 * @param[in] pSrcB points to the second input sequence.
AnnaBridge 156:ff21514d8981 4375 * @param[in] srcBLen length of the second input sequence.
AnnaBridge 156:ff21514d8981 4376 * @param[out] pDst points to the block of output data Length 2 * max(srcALen, srcBLen) - 1.
AnnaBridge 156:ff21514d8981 4377 * @param[in] pScratch points to scratch buffer of size max(srcALen, srcBLen) + 2*min(srcALen, srcBLen) - 2.
AnnaBridge 156:ff21514d8981 4378 */
AnnaBridge 156:ff21514d8981 4379 void arm_correlate_opt_q15(
AnnaBridge 156:ff21514d8981 4380 q15_t * pSrcA,
AnnaBridge 156:ff21514d8981 4381 uint32_t srcALen,
AnnaBridge 156:ff21514d8981 4382 q15_t * pSrcB,
AnnaBridge 156:ff21514d8981 4383 uint32_t srcBLen,
AnnaBridge 156:ff21514d8981 4384 q15_t * pDst,
AnnaBridge 156:ff21514d8981 4385 q15_t * pScratch);
AnnaBridge 156:ff21514d8981 4386
AnnaBridge 156:ff21514d8981 4387
AnnaBridge 156:ff21514d8981 4388 /**
AnnaBridge 156:ff21514d8981 4389 * @brief Correlation of Q15 sequences.
AnnaBridge 156:ff21514d8981 4390 * @param[in] pSrcA points to the first input sequence.
AnnaBridge 156:ff21514d8981 4391 * @param[in] srcALen length of the first input sequence.
AnnaBridge 156:ff21514d8981 4392 * @param[in] pSrcB points to the second input sequence.
AnnaBridge 156:ff21514d8981 4393 * @param[in] srcBLen length of the second input sequence.
AnnaBridge 156:ff21514d8981 4394 * @param[out] pDst points to the block of output data Length 2 * max(srcALen, srcBLen) - 1.
AnnaBridge 156:ff21514d8981 4395 */
AnnaBridge 156:ff21514d8981 4396
AnnaBridge 156:ff21514d8981 4397 void arm_correlate_q15(
AnnaBridge 156:ff21514d8981 4398 q15_t * pSrcA,
AnnaBridge 156:ff21514d8981 4399 uint32_t srcALen,
AnnaBridge 156:ff21514d8981 4400 q15_t * pSrcB,
AnnaBridge 156:ff21514d8981 4401 uint32_t srcBLen,
AnnaBridge 156:ff21514d8981 4402 q15_t * pDst);
AnnaBridge 156:ff21514d8981 4403
AnnaBridge 156:ff21514d8981 4404
AnnaBridge 156:ff21514d8981 4405 /**
AnnaBridge 156:ff21514d8981 4406 * @brief Correlation of Q15 sequences (fast version) for Cortex-M3 and Cortex-M4.
AnnaBridge 156:ff21514d8981 4407 * @param[in] pSrcA points to the first input sequence.
AnnaBridge 156:ff21514d8981 4408 * @param[in] srcALen length of the first input sequence.
AnnaBridge 156:ff21514d8981 4409 * @param[in] pSrcB points to the second input sequence.
AnnaBridge 156:ff21514d8981 4410 * @param[in] srcBLen length of the second input sequence.
AnnaBridge 156:ff21514d8981 4411 * @param[out] pDst points to the block of output data Length 2 * max(srcALen, srcBLen) - 1.
AnnaBridge 156:ff21514d8981 4412 */
AnnaBridge 156:ff21514d8981 4413
AnnaBridge 156:ff21514d8981 4414 void arm_correlate_fast_q15(
AnnaBridge 156:ff21514d8981 4415 q15_t * pSrcA,
AnnaBridge 156:ff21514d8981 4416 uint32_t srcALen,
AnnaBridge 156:ff21514d8981 4417 q15_t * pSrcB,
AnnaBridge 156:ff21514d8981 4418 uint32_t srcBLen,
AnnaBridge 156:ff21514d8981 4419 q15_t * pDst);
AnnaBridge 156:ff21514d8981 4420
AnnaBridge 156:ff21514d8981 4421
AnnaBridge 156:ff21514d8981 4422 /**
AnnaBridge 156:ff21514d8981 4423 * @brief Correlation of Q15 sequences (fast version) for Cortex-M3 and Cortex-M4.
AnnaBridge 156:ff21514d8981 4424 * @param[in] pSrcA points to the first input sequence.
AnnaBridge 156:ff21514d8981 4425 * @param[in] srcALen length of the first input sequence.
AnnaBridge 156:ff21514d8981 4426 * @param[in] pSrcB points to the second input sequence.
AnnaBridge 156:ff21514d8981 4427 * @param[in] srcBLen length of the second input sequence.
AnnaBridge 156:ff21514d8981 4428 * @param[out] pDst points to the block of output data Length 2 * max(srcALen, srcBLen) - 1.
AnnaBridge 156:ff21514d8981 4429 * @param[in] pScratch points to scratch buffer of size max(srcALen, srcBLen) + 2*min(srcALen, srcBLen) - 2.
AnnaBridge 156:ff21514d8981 4430 */
AnnaBridge 156:ff21514d8981 4431 void arm_correlate_fast_opt_q15(
AnnaBridge 156:ff21514d8981 4432 q15_t * pSrcA,
AnnaBridge 156:ff21514d8981 4433 uint32_t srcALen,
AnnaBridge 156:ff21514d8981 4434 q15_t * pSrcB,
AnnaBridge 156:ff21514d8981 4435 uint32_t srcBLen,
AnnaBridge 156:ff21514d8981 4436 q15_t * pDst,
AnnaBridge 156:ff21514d8981 4437 q15_t * pScratch);
AnnaBridge 156:ff21514d8981 4438
AnnaBridge 156:ff21514d8981 4439
AnnaBridge 156:ff21514d8981 4440 /**
AnnaBridge 156:ff21514d8981 4441 * @brief Correlation of Q31 sequences.
AnnaBridge 156:ff21514d8981 4442 * @param[in] pSrcA points to the first input sequence.
AnnaBridge 156:ff21514d8981 4443 * @param[in] srcALen length of the first input sequence.
AnnaBridge 156:ff21514d8981 4444 * @param[in] pSrcB points to the second input sequence.
AnnaBridge 156:ff21514d8981 4445 * @param[in] srcBLen length of the second input sequence.
AnnaBridge 156:ff21514d8981 4446 * @param[out] pDst points to the block of output data Length 2 * max(srcALen, srcBLen) - 1.
AnnaBridge 156:ff21514d8981 4447 */
AnnaBridge 156:ff21514d8981 4448 void arm_correlate_q31(
AnnaBridge 156:ff21514d8981 4449 q31_t * pSrcA,
AnnaBridge 156:ff21514d8981 4450 uint32_t srcALen,
AnnaBridge 156:ff21514d8981 4451 q31_t * pSrcB,
AnnaBridge 156:ff21514d8981 4452 uint32_t srcBLen,
AnnaBridge 156:ff21514d8981 4453 q31_t * pDst);
AnnaBridge 156:ff21514d8981 4454
AnnaBridge 156:ff21514d8981 4455
AnnaBridge 156:ff21514d8981 4456 /**
AnnaBridge 156:ff21514d8981 4457 * @brief Correlation of Q31 sequences (fast version) for Cortex-M3 and Cortex-M4
AnnaBridge 156:ff21514d8981 4458 * @param[in] pSrcA points to the first input sequence.
AnnaBridge 156:ff21514d8981 4459 * @param[in] srcALen length of the first input sequence.
AnnaBridge 156:ff21514d8981 4460 * @param[in] pSrcB points to the second input sequence.
AnnaBridge 156:ff21514d8981 4461 * @param[in] srcBLen length of the second input sequence.
AnnaBridge 156:ff21514d8981 4462 * @param[out] pDst points to the block of output data Length 2 * max(srcALen, srcBLen) - 1.
AnnaBridge 156:ff21514d8981 4463 */
AnnaBridge 156:ff21514d8981 4464 void arm_correlate_fast_q31(
AnnaBridge 156:ff21514d8981 4465 q31_t * pSrcA,
AnnaBridge 156:ff21514d8981 4466 uint32_t srcALen,
AnnaBridge 156:ff21514d8981 4467 q31_t * pSrcB,
AnnaBridge 156:ff21514d8981 4468 uint32_t srcBLen,
AnnaBridge 156:ff21514d8981 4469 q31_t * pDst);
AnnaBridge 156:ff21514d8981 4470
AnnaBridge 156:ff21514d8981 4471
AnnaBridge 156:ff21514d8981 4472 /**
AnnaBridge 156:ff21514d8981 4473 * @brief Correlation of Q7 sequences.
AnnaBridge 156:ff21514d8981 4474 * @param[in] pSrcA points to the first input sequence.
AnnaBridge 156:ff21514d8981 4475 * @param[in] srcALen length of the first input sequence.
AnnaBridge 156:ff21514d8981 4476 * @param[in] pSrcB points to the second input sequence.
AnnaBridge 156:ff21514d8981 4477 * @param[in] srcBLen length of the second input sequence.
AnnaBridge 156:ff21514d8981 4478 * @param[out] pDst points to the block of output data Length 2 * max(srcALen, srcBLen) - 1.
AnnaBridge 156:ff21514d8981 4479 * @param[in] pScratch1 points to scratch buffer(of type q15_t) of size max(srcALen, srcBLen) + 2*min(srcALen, srcBLen) - 2.
AnnaBridge 156:ff21514d8981 4480 * @param[in] pScratch2 points to scratch buffer (of type q15_t) of size min(srcALen, srcBLen).
AnnaBridge 156:ff21514d8981 4481 */
AnnaBridge 156:ff21514d8981 4482 void arm_correlate_opt_q7(
AnnaBridge 156:ff21514d8981 4483 q7_t * pSrcA,
AnnaBridge 156:ff21514d8981 4484 uint32_t srcALen,
AnnaBridge 156:ff21514d8981 4485 q7_t * pSrcB,
AnnaBridge 156:ff21514d8981 4486 uint32_t srcBLen,
AnnaBridge 156:ff21514d8981 4487 q7_t * pDst,
AnnaBridge 156:ff21514d8981 4488 q15_t * pScratch1,
AnnaBridge 156:ff21514d8981 4489 q15_t * pScratch2);
AnnaBridge 156:ff21514d8981 4490
AnnaBridge 156:ff21514d8981 4491
AnnaBridge 156:ff21514d8981 4492 /**
AnnaBridge 156:ff21514d8981 4493 * @brief Correlation of Q7 sequences.
AnnaBridge 156:ff21514d8981 4494 * @param[in] pSrcA points to the first input sequence.
AnnaBridge 156:ff21514d8981 4495 * @param[in] srcALen length of the first input sequence.
AnnaBridge 156:ff21514d8981 4496 * @param[in] pSrcB points to the second input sequence.
AnnaBridge 156:ff21514d8981 4497 * @param[in] srcBLen length of the second input sequence.
AnnaBridge 156:ff21514d8981 4498 * @param[out] pDst points to the block of output data Length 2 * max(srcALen, srcBLen) - 1.
AnnaBridge 156:ff21514d8981 4499 */
AnnaBridge 156:ff21514d8981 4500 void arm_correlate_q7(
AnnaBridge 156:ff21514d8981 4501 q7_t * pSrcA,
AnnaBridge 156:ff21514d8981 4502 uint32_t srcALen,
AnnaBridge 156:ff21514d8981 4503 q7_t * pSrcB,
AnnaBridge 156:ff21514d8981 4504 uint32_t srcBLen,
AnnaBridge 156:ff21514d8981 4505 q7_t * pDst);
AnnaBridge 156:ff21514d8981 4506
AnnaBridge 156:ff21514d8981 4507
AnnaBridge 156:ff21514d8981 4508 /**
AnnaBridge 156:ff21514d8981 4509 * @brief Instance structure for the floating-point sparse FIR filter.
AnnaBridge 156:ff21514d8981 4510 */
AnnaBridge 156:ff21514d8981 4511 typedef struct
AnnaBridge 156:ff21514d8981 4512 {
AnnaBridge 156:ff21514d8981 4513 uint16_t numTaps; /**< number of coefficients in the filter. */
AnnaBridge 156:ff21514d8981 4514 uint16_t stateIndex; /**< state buffer index. Points to the oldest sample in the state buffer. */
AnnaBridge 156:ff21514d8981 4515 float32_t *pState; /**< points to the state buffer array. The array is of length maxDelay+blockSize-1. */
AnnaBridge 156:ff21514d8981 4516 float32_t *pCoeffs; /**< points to the coefficient array. The array is of length numTaps.*/
AnnaBridge 156:ff21514d8981 4517 uint16_t maxDelay; /**< maximum offset specified by the pTapDelay array. */
AnnaBridge 156:ff21514d8981 4518 int32_t *pTapDelay; /**< points to the array of delay values. The array is of length numTaps. */
AnnaBridge 156:ff21514d8981 4519 } arm_fir_sparse_instance_f32;
AnnaBridge 156:ff21514d8981 4520
AnnaBridge 156:ff21514d8981 4521 /**
AnnaBridge 156:ff21514d8981 4522 * @brief Instance structure for the Q31 sparse FIR filter.
AnnaBridge 156:ff21514d8981 4523 */
AnnaBridge 156:ff21514d8981 4524 typedef struct
AnnaBridge 156:ff21514d8981 4525 {
AnnaBridge 156:ff21514d8981 4526 uint16_t numTaps; /**< number of coefficients in the filter. */
AnnaBridge 156:ff21514d8981 4527 uint16_t stateIndex; /**< state buffer index. Points to the oldest sample in the state buffer. */
AnnaBridge 156:ff21514d8981 4528 q31_t *pState; /**< points to the state buffer array. The array is of length maxDelay+blockSize-1. */
AnnaBridge 156:ff21514d8981 4529 q31_t *pCoeffs; /**< points to the coefficient array. The array is of length numTaps.*/
AnnaBridge 156:ff21514d8981 4530 uint16_t maxDelay; /**< maximum offset specified by the pTapDelay array. */
AnnaBridge 156:ff21514d8981 4531 int32_t *pTapDelay; /**< points to the array of delay values. The array is of length numTaps. */
AnnaBridge 156:ff21514d8981 4532 } arm_fir_sparse_instance_q31;
AnnaBridge 156:ff21514d8981 4533
AnnaBridge 156:ff21514d8981 4534 /**
AnnaBridge 156:ff21514d8981 4535 * @brief Instance structure for the Q15 sparse FIR filter.
AnnaBridge 156:ff21514d8981 4536 */
AnnaBridge 156:ff21514d8981 4537 typedef struct
AnnaBridge 156:ff21514d8981 4538 {
AnnaBridge 156:ff21514d8981 4539 uint16_t numTaps; /**< number of coefficients in the filter. */
AnnaBridge 156:ff21514d8981 4540 uint16_t stateIndex; /**< state buffer index. Points to the oldest sample in the state buffer. */
AnnaBridge 156:ff21514d8981 4541 q15_t *pState; /**< points to the state buffer array. The array is of length maxDelay+blockSize-1. */
AnnaBridge 156:ff21514d8981 4542 q15_t *pCoeffs; /**< points to the coefficient array. The array is of length numTaps.*/
AnnaBridge 156:ff21514d8981 4543 uint16_t maxDelay; /**< maximum offset specified by the pTapDelay array. */
AnnaBridge 156:ff21514d8981 4544 int32_t *pTapDelay; /**< points to the array of delay values. The array is of length numTaps. */
AnnaBridge 156:ff21514d8981 4545 } arm_fir_sparse_instance_q15;
AnnaBridge 156:ff21514d8981 4546
AnnaBridge 156:ff21514d8981 4547 /**
AnnaBridge 156:ff21514d8981 4548 * @brief Instance structure for the Q7 sparse FIR filter.
AnnaBridge 156:ff21514d8981 4549 */
AnnaBridge 156:ff21514d8981 4550 typedef struct
AnnaBridge 156:ff21514d8981 4551 {
AnnaBridge 156:ff21514d8981 4552 uint16_t numTaps; /**< number of coefficients in the filter. */
AnnaBridge 156:ff21514d8981 4553 uint16_t stateIndex; /**< state buffer index. Points to the oldest sample in the state buffer. */
AnnaBridge 156:ff21514d8981 4554 q7_t *pState; /**< points to the state buffer array. The array is of length maxDelay+blockSize-1. */
AnnaBridge 156:ff21514d8981 4555 q7_t *pCoeffs; /**< points to the coefficient array. The array is of length numTaps.*/
AnnaBridge 156:ff21514d8981 4556 uint16_t maxDelay; /**< maximum offset specified by the pTapDelay array. */
AnnaBridge 156:ff21514d8981 4557 int32_t *pTapDelay; /**< points to the array of delay values. The array is of length numTaps. */
AnnaBridge 156:ff21514d8981 4558 } arm_fir_sparse_instance_q7;
AnnaBridge 156:ff21514d8981 4559
AnnaBridge 156:ff21514d8981 4560
AnnaBridge 156:ff21514d8981 4561 /**
AnnaBridge 156:ff21514d8981 4562 * @brief Processing function for the floating-point sparse FIR filter.
AnnaBridge 156:ff21514d8981 4563 * @param[in] S points to an instance of the floating-point sparse FIR structure.
AnnaBridge 156:ff21514d8981 4564 * @param[in] pSrc points to the block of input data.
AnnaBridge 156:ff21514d8981 4565 * @param[out] pDst points to the block of output data
AnnaBridge 156:ff21514d8981 4566 * @param[in] pScratchIn points to a temporary buffer of size blockSize.
AnnaBridge 156:ff21514d8981 4567 * @param[in] blockSize number of input samples to process per call.
AnnaBridge 156:ff21514d8981 4568 */
AnnaBridge 156:ff21514d8981 4569 void arm_fir_sparse_f32(
AnnaBridge 156:ff21514d8981 4570 arm_fir_sparse_instance_f32 * S,
AnnaBridge 156:ff21514d8981 4571 float32_t * pSrc,
AnnaBridge 156:ff21514d8981 4572 float32_t * pDst,
AnnaBridge 156:ff21514d8981 4573 float32_t * pScratchIn,
AnnaBridge 156:ff21514d8981 4574 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 4575
AnnaBridge 156:ff21514d8981 4576
AnnaBridge 156:ff21514d8981 4577 /**
AnnaBridge 156:ff21514d8981 4578 * @brief Initialization function for the floating-point sparse FIR filter.
AnnaBridge 156:ff21514d8981 4579 * @param[in,out] S points to an instance of the floating-point sparse FIR structure.
AnnaBridge 156:ff21514d8981 4580 * @param[in] numTaps number of nonzero coefficients in the filter.
AnnaBridge 156:ff21514d8981 4581 * @param[in] pCoeffs points to the array of filter coefficients.
AnnaBridge 156:ff21514d8981 4582 * @param[in] pState points to the state buffer.
AnnaBridge 156:ff21514d8981 4583 * @param[in] pTapDelay points to the array of offset times.
AnnaBridge 156:ff21514d8981 4584 * @param[in] maxDelay maximum offset time supported.
AnnaBridge 156:ff21514d8981 4585 * @param[in] blockSize number of samples that will be processed per block.
AnnaBridge 156:ff21514d8981 4586 */
AnnaBridge 156:ff21514d8981 4587 void arm_fir_sparse_init_f32(
AnnaBridge 156:ff21514d8981 4588 arm_fir_sparse_instance_f32 * S,
AnnaBridge 156:ff21514d8981 4589 uint16_t numTaps,
AnnaBridge 156:ff21514d8981 4590 float32_t * pCoeffs,
AnnaBridge 156:ff21514d8981 4591 float32_t * pState,
AnnaBridge 156:ff21514d8981 4592 int32_t * pTapDelay,
AnnaBridge 156:ff21514d8981 4593 uint16_t maxDelay,
AnnaBridge 156:ff21514d8981 4594 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 4595
AnnaBridge 156:ff21514d8981 4596
AnnaBridge 156:ff21514d8981 4597 /**
AnnaBridge 156:ff21514d8981 4598 * @brief Processing function for the Q31 sparse FIR filter.
AnnaBridge 156:ff21514d8981 4599 * @param[in] S points to an instance of the Q31 sparse FIR structure.
AnnaBridge 156:ff21514d8981 4600 * @param[in] pSrc points to the block of input data.
AnnaBridge 156:ff21514d8981 4601 * @param[out] pDst points to the block of output data
AnnaBridge 156:ff21514d8981 4602 * @param[in] pScratchIn points to a temporary buffer of size blockSize.
AnnaBridge 156:ff21514d8981 4603 * @param[in] blockSize number of input samples to process per call.
AnnaBridge 156:ff21514d8981 4604 */
AnnaBridge 156:ff21514d8981 4605 void arm_fir_sparse_q31(
AnnaBridge 156:ff21514d8981 4606 arm_fir_sparse_instance_q31 * S,
AnnaBridge 156:ff21514d8981 4607 q31_t * pSrc,
AnnaBridge 156:ff21514d8981 4608 q31_t * pDst,
AnnaBridge 156:ff21514d8981 4609 q31_t * pScratchIn,
AnnaBridge 156:ff21514d8981 4610 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 4611
AnnaBridge 156:ff21514d8981 4612
AnnaBridge 156:ff21514d8981 4613 /**
AnnaBridge 156:ff21514d8981 4614 * @brief Initialization function for the Q31 sparse FIR filter.
AnnaBridge 156:ff21514d8981 4615 * @param[in,out] S points to an instance of the Q31 sparse FIR structure.
AnnaBridge 156:ff21514d8981 4616 * @param[in] numTaps number of nonzero coefficients in the filter.
AnnaBridge 156:ff21514d8981 4617 * @param[in] pCoeffs points to the array of filter coefficients.
AnnaBridge 156:ff21514d8981 4618 * @param[in] pState points to the state buffer.
AnnaBridge 156:ff21514d8981 4619 * @param[in] pTapDelay points to the array of offset times.
AnnaBridge 156:ff21514d8981 4620 * @param[in] maxDelay maximum offset time supported.
AnnaBridge 156:ff21514d8981 4621 * @param[in] blockSize number of samples that will be processed per block.
AnnaBridge 156:ff21514d8981 4622 */
AnnaBridge 156:ff21514d8981 4623 void arm_fir_sparse_init_q31(
AnnaBridge 156:ff21514d8981 4624 arm_fir_sparse_instance_q31 * S,
AnnaBridge 156:ff21514d8981 4625 uint16_t numTaps,
AnnaBridge 156:ff21514d8981 4626 q31_t * pCoeffs,
AnnaBridge 156:ff21514d8981 4627 q31_t * pState,
AnnaBridge 156:ff21514d8981 4628 int32_t * pTapDelay,
AnnaBridge 156:ff21514d8981 4629 uint16_t maxDelay,
AnnaBridge 156:ff21514d8981 4630 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 4631
AnnaBridge 156:ff21514d8981 4632
AnnaBridge 156:ff21514d8981 4633 /**
AnnaBridge 156:ff21514d8981 4634 * @brief Processing function for the Q15 sparse FIR filter.
AnnaBridge 156:ff21514d8981 4635 * @param[in] S points to an instance of the Q15 sparse FIR structure.
AnnaBridge 156:ff21514d8981 4636 * @param[in] pSrc points to the block of input data.
AnnaBridge 156:ff21514d8981 4637 * @param[out] pDst points to the block of output data
AnnaBridge 156:ff21514d8981 4638 * @param[in] pScratchIn points to a temporary buffer of size blockSize.
AnnaBridge 156:ff21514d8981 4639 * @param[in] pScratchOut points to a temporary buffer of size blockSize.
AnnaBridge 156:ff21514d8981 4640 * @param[in] blockSize number of input samples to process per call.
AnnaBridge 156:ff21514d8981 4641 */
AnnaBridge 156:ff21514d8981 4642 void arm_fir_sparse_q15(
AnnaBridge 156:ff21514d8981 4643 arm_fir_sparse_instance_q15 * S,
AnnaBridge 156:ff21514d8981 4644 q15_t * pSrc,
AnnaBridge 156:ff21514d8981 4645 q15_t * pDst,
AnnaBridge 156:ff21514d8981 4646 q15_t * pScratchIn,
AnnaBridge 156:ff21514d8981 4647 q31_t * pScratchOut,
AnnaBridge 156:ff21514d8981 4648 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 4649
AnnaBridge 156:ff21514d8981 4650
AnnaBridge 156:ff21514d8981 4651 /**
AnnaBridge 156:ff21514d8981 4652 * @brief Initialization function for the Q15 sparse FIR filter.
AnnaBridge 156:ff21514d8981 4653 * @param[in,out] S points to an instance of the Q15 sparse FIR structure.
AnnaBridge 156:ff21514d8981 4654 * @param[in] numTaps number of nonzero coefficients in the filter.
AnnaBridge 156:ff21514d8981 4655 * @param[in] pCoeffs points to the array of filter coefficients.
AnnaBridge 156:ff21514d8981 4656 * @param[in] pState points to the state buffer.
AnnaBridge 156:ff21514d8981 4657 * @param[in] pTapDelay points to the array of offset times.
AnnaBridge 156:ff21514d8981 4658 * @param[in] maxDelay maximum offset time supported.
AnnaBridge 156:ff21514d8981 4659 * @param[in] blockSize number of samples that will be processed per block.
AnnaBridge 156:ff21514d8981 4660 */
AnnaBridge 156:ff21514d8981 4661 void arm_fir_sparse_init_q15(
AnnaBridge 156:ff21514d8981 4662 arm_fir_sparse_instance_q15 * S,
AnnaBridge 156:ff21514d8981 4663 uint16_t numTaps,
AnnaBridge 156:ff21514d8981 4664 q15_t * pCoeffs,
AnnaBridge 156:ff21514d8981 4665 q15_t * pState,
AnnaBridge 156:ff21514d8981 4666 int32_t * pTapDelay,
AnnaBridge 156:ff21514d8981 4667 uint16_t maxDelay,
AnnaBridge 156:ff21514d8981 4668 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 4669
AnnaBridge 156:ff21514d8981 4670
AnnaBridge 156:ff21514d8981 4671 /**
AnnaBridge 156:ff21514d8981 4672 * @brief Processing function for the Q7 sparse FIR filter.
AnnaBridge 156:ff21514d8981 4673 * @param[in] S points to an instance of the Q7 sparse FIR structure.
AnnaBridge 156:ff21514d8981 4674 * @param[in] pSrc points to the block of input data.
AnnaBridge 156:ff21514d8981 4675 * @param[out] pDst points to the block of output data
AnnaBridge 156:ff21514d8981 4676 * @param[in] pScratchIn points to a temporary buffer of size blockSize.
AnnaBridge 156:ff21514d8981 4677 * @param[in] pScratchOut points to a temporary buffer of size blockSize.
AnnaBridge 156:ff21514d8981 4678 * @param[in] blockSize number of input samples to process per call.
AnnaBridge 156:ff21514d8981 4679 */
AnnaBridge 156:ff21514d8981 4680 void arm_fir_sparse_q7(
AnnaBridge 156:ff21514d8981 4681 arm_fir_sparse_instance_q7 * S,
AnnaBridge 156:ff21514d8981 4682 q7_t * pSrc,
AnnaBridge 156:ff21514d8981 4683 q7_t * pDst,
AnnaBridge 156:ff21514d8981 4684 q7_t * pScratchIn,
AnnaBridge 156:ff21514d8981 4685 q31_t * pScratchOut,
AnnaBridge 156:ff21514d8981 4686 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 4687
AnnaBridge 156:ff21514d8981 4688
AnnaBridge 156:ff21514d8981 4689 /**
AnnaBridge 156:ff21514d8981 4690 * @brief Initialization function for the Q7 sparse FIR filter.
AnnaBridge 156:ff21514d8981 4691 * @param[in,out] S points to an instance of the Q7 sparse FIR structure.
AnnaBridge 156:ff21514d8981 4692 * @param[in] numTaps number of nonzero coefficients in the filter.
AnnaBridge 156:ff21514d8981 4693 * @param[in] pCoeffs points to the array of filter coefficients.
AnnaBridge 156:ff21514d8981 4694 * @param[in] pState points to the state buffer.
AnnaBridge 156:ff21514d8981 4695 * @param[in] pTapDelay points to the array of offset times.
AnnaBridge 156:ff21514d8981 4696 * @param[in] maxDelay maximum offset time supported.
AnnaBridge 156:ff21514d8981 4697 * @param[in] blockSize number of samples that will be processed per block.
AnnaBridge 156:ff21514d8981 4698 */
AnnaBridge 156:ff21514d8981 4699 void arm_fir_sparse_init_q7(
AnnaBridge 156:ff21514d8981 4700 arm_fir_sparse_instance_q7 * S,
AnnaBridge 156:ff21514d8981 4701 uint16_t numTaps,
AnnaBridge 156:ff21514d8981 4702 q7_t * pCoeffs,
AnnaBridge 156:ff21514d8981 4703 q7_t * pState,
AnnaBridge 156:ff21514d8981 4704 int32_t * pTapDelay,
AnnaBridge 156:ff21514d8981 4705 uint16_t maxDelay,
AnnaBridge 156:ff21514d8981 4706 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 4707
AnnaBridge 156:ff21514d8981 4708
AnnaBridge 156:ff21514d8981 4709 /**
AnnaBridge 156:ff21514d8981 4710 * @brief Floating-point sin_cos function.
AnnaBridge 156:ff21514d8981 4711 * @param[in] theta input value in degrees
AnnaBridge 156:ff21514d8981 4712 * @param[out] pSinVal points to the processed sine output.
AnnaBridge 156:ff21514d8981 4713 * @param[out] pCosVal points to the processed cos output.
AnnaBridge 156:ff21514d8981 4714 */
AnnaBridge 156:ff21514d8981 4715 void arm_sin_cos_f32(
AnnaBridge 156:ff21514d8981 4716 float32_t theta,
AnnaBridge 156:ff21514d8981 4717 float32_t * pSinVal,
AnnaBridge 156:ff21514d8981 4718 float32_t * pCosVal);
AnnaBridge 156:ff21514d8981 4719
AnnaBridge 156:ff21514d8981 4720
AnnaBridge 156:ff21514d8981 4721 /**
AnnaBridge 156:ff21514d8981 4722 * @brief Q31 sin_cos function.
AnnaBridge 156:ff21514d8981 4723 * @param[in] theta scaled input value in degrees
AnnaBridge 156:ff21514d8981 4724 * @param[out] pSinVal points to the processed sine output.
AnnaBridge 156:ff21514d8981 4725 * @param[out] pCosVal points to the processed cosine output.
AnnaBridge 156:ff21514d8981 4726 */
AnnaBridge 156:ff21514d8981 4727 void arm_sin_cos_q31(
AnnaBridge 156:ff21514d8981 4728 q31_t theta,
AnnaBridge 156:ff21514d8981 4729 q31_t * pSinVal,
AnnaBridge 156:ff21514d8981 4730 q31_t * pCosVal);
AnnaBridge 156:ff21514d8981 4731
AnnaBridge 156:ff21514d8981 4732
AnnaBridge 156:ff21514d8981 4733 /**
AnnaBridge 156:ff21514d8981 4734 * @brief Floating-point complex conjugate.
AnnaBridge 156:ff21514d8981 4735 * @param[in] pSrc points to the input vector
AnnaBridge 156:ff21514d8981 4736 * @param[out] pDst points to the output vector
AnnaBridge 156:ff21514d8981 4737 * @param[in] numSamples number of complex samples in each vector
AnnaBridge 156:ff21514d8981 4738 */
AnnaBridge 156:ff21514d8981 4739 void arm_cmplx_conj_f32(
AnnaBridge 156:ff21514d8981 4740 float32_t * pSrc,
AnnaBridge 156:ff21514d8981 4741 float32_t * pDst,
AnnaBridge 156:ff21514d8981 4742 uint32_t numSamples);
AnnaBridge 156:ff21514d8981 4743
AnnaBridge 156:ff21514d8981 4744 /**
AnnaBridge 156:ff21514d8981 4745 * @brief Q31 complex conjugate.
AnnaBridge 156:ff21514d8981 4746 * @param[in] pSrc points to the input vector
AnnaBridge 156:ff21514d8981 4747 * @param[out] pDst points to the output vector
AnnaBridge 156:ff21514d8981 4748 * @param[in] numSamples number of complex samples in each vector
AnnaBridge 156:ff21514d8981 4749 */
AnnaBridge 156:ff21514d8981 4750 void arm_cmplx_conj_q31(
AnnaBridge 156:ff21514d8981 4751 q31_t * pSrc,
AnnaBridge 156:ff21514d8981 4752 q31_t * pDst,
AnnaBridge 156:ff21514d8981 4753 uint32_t numSamples);
AnnaBridge 156:ff21514d8981 4754
AnnaBridge 156:ff21514d8981 4755
AnnaBridge 156:ff21514d8981 4756 /**
AnnaBridge 156:ff21514d8981 4757 * @brief Q15 complex conjugate.
AnnaBridge 156:ff21514d8981 4758 * @param[in] pSrc points to the input vector
AnnaBridge 156:ff21514d8981 4759 * @param[out] pDst points to the output vector
AnnaBridge 156:ff21514d8981 4760 * @param[in] numSamples number of complex samples in each vector
AnnaBridge 156:ff21514d8981 4761 */
AnnaBridge 156:ff21514d8981 4762 void arm_cmplx_conj_q15(
AnnaBridge 156:ff21514d8981 4763 q15_t * pSrc,
AnnaBridge 156:ff21514d8981 4764 q15_t * pDst,
AnnaBridge 156:ff21514d8981 4765 uint32_t numSamples);
AnnaBridge 156:ff21514d8981 4766
AnnaBridge 156:ff21514d8981 4767
AnnaBridge 156:ff21514d8981 4768 /**
AnnaBridge 156:ff21514d8981 4769 * @brief Floating-point complex magnitude squared
AnnaBridge 156:ff21514d8981 4770 * @param[in] pSrc points to the complex input vector
AnnaBridge 156:ff21514d8981 4771 * @param[out] pDst points to the real output vector
AnnaBridge 156:ff21514d8981 4772 * @param[in] numSamples number of complex samples in the input vector
AnnaBridge 156:ff21514d8981 4773 */
AnnaBridge 156:ff21514d8981 4774 void arm_cmplx_mag_squared_f32(
AnnaBridge 156:ff21514d8981 4775 float32_t * pSrc,
AnnaBridge 156:ff21514d8981 4776 float32_t * pDst,
AnnaBridge 156:ff21514d8981 4777 uint32_t numSamples);
AnnaBridge 156:ff21514d8981 4778
AnnaBridge 156:ff21514d8981 4779
AnnaBridge 156:ff21514d8981 4780 /**
AnnaBridge 156:ff21514d8981 4781 * @brief Q31 complex magnitude squared
AnnaBridge 156:ff21514d8981 4782 * @param[in] pSrc points to the complex input vector
AnnaBridge 156:ff21514d8981 4783 * @param[out] pDst points to the real output vector
AnnaBridge 156:ff21514d8981 4784 * @param[in] numSamples number of complex samples in the input vector
AnnaBridge 156:ff21514d8981 4785 */
AnnaBridge 156:ff21514d8981 4786 void arm_cmplx_mag_squared_q31(
AnnaBridge 156:ff21514d8981 4787 q31_t * pSrc,
AnnaBridge 156:ff21514d8981 4788 q31_t * pDst,
AnnaBridge 156:ff21514d8981 4789 uint32_t numSamples);
AnnaBridge 156:ff21514d8981 4790
AnnaBridge 156:ff21514d8981 4791
AnnaBridge 156:ff21514d8981 4792 /**
AnnaBridge 156:ff21514d8981 4793 * @brief Q15 complex magnitude squared
AnnaBridge 156:ff21514d8981 4794 * @param[in] pSrc points to the complex input vector
AnnaBridge 156:ff21514d8981 4795 * @param[out] pDst points to the real output vector
AnnaBridge 156:ff21514d8981 4796 * @param[in] numSamples number of complex samples in the input vector
AnnaBridge 156:ff21514d8981 4797 */
AnnaBridge 156:ff21514d8981 4798 void arm_cmplx_mag_squared_q15(
AnnaBridge 156:ff21514d8981 4799 q15_t * pSrc,
AnnaBridge 156:ff21514d8981 4800 q15_t * pDst,
AnnaBridge 156:ff21514d8981 4801 uint32_t numSamples);
AnnaBridge 156:ff21514d8981 4802
AnnaBridge 156:ff21514d8981 4803
AnnaBridge 156:ff21514d8981 4804 /**
AnnaBridge 156:ff21514d8981 4805 * @ingroup groupController
AnnaBridge 156:ff21514d8981 4806 */
AnnaBridge 156:ff21514d8981 4807
AnnaBridge 156:ff21514d8981 4808 /**
AnnaBridge 156:ff21514d8981 4809 * @defgroup PID PID Motor Control
AnnaBridge 156:ff21514d8981 4810 *
AnnaBridge 156:ff21514d8981 4811 * A Proportional Integral Derivative (PID) controller is a generic feedback control
AnnaBridge 156:ff21514d8981 4812 * loop mechanism widely used in industrial control systems.
AnnaBridge 156:ff21514d8981 4813 * A PID controller is the most commonly used type of feedback controller.
AnnaBridge 156:ff21514d8981 4814 *
AnnaBridge 156:ff21514d8981 4815 * This set of functions implements (PID) controllers
AnnaBridge 156:ff21514d8981 4816 * for Q15, Q31, and floating-point data types. The functions operate on a single sample
AnnaBridge 156:ff21514d8981 4817 * of data and each call to the function returns a single processed value.
AnnaBridge 156:ff21514d8981 4818 * <code>S</code> points to an instance of the PID control data structure. <code>in</code>
AnnaBridge 156:ff21514d8981 4819 * is the input sample value. The functions return the output value.
AnnaBridge 156:ff21514d8981 4820 *
AnnaBridge 156:ff21514d8981 4821 * \par Algorithm:
AnnaBridge 156:ff21514d8981 4822 * <pre>
AnnaBridge 156:ff21514d8981 4823 * y[n] = y[n-1] + A0 * x[n] + A1 * x[n-1] + A2 * x[n-2]
AnnaBridge 156:ff21514d8981 4824 * A0 = Kp + Ki + Kd
AnnaBridge 156:ff21514d8981 4825 * A1 = (-Kp ) - (2 * Kd )
AnnaBridge 156:ff21514d8981 4826 * A2 = Kd </pre>
AnnaBridge 156:ff21514d8981 4827 *
AnnaBridge 156:ff21514d8981 4828 * \par
AnnaBridge 156:ff21514d8981 4829 * where \c Kp is proportional constant, \c Ki is Integral constant and \c Kd is Derivative constant
AnnaBridge 156:ff21514d8981 4830 *
AnnaBridge 156:ff21514d8981 4831 * \par
AnnaBridge 156:ff21514d8981 4832 * \image html PID.gif "Proportional Integral Derivative Controller"
AnnaBridge 156:ff21514d8981 4833 *
AnnaBridge 156:ff21514d8981 4834 * \par
AnnaBridge 156:ff21514d8981 4835 * The PID controller calculates an "error" value as the difference between
AnnaBridge 156:ff21514d8981 4836 * the measured output and the reference input.
AnnaBridge 156:ff21514d8981 4837 * The controller attempts to minimize the error by adjusting the process control inputs.
AnnaBridge 156:ff21514d8981 4838 * The proportional value determines the reaction to the current error,
AnnaBridge 156:ff21514d8981 4839 * the integral value determines the reaction based on the sum of recent errors,
AnnaBridge 156:ff21514d8981 4840 * and the derivative value determines the reaction based on the rate at which the error has been changing.
AnnaBridge 156:ff21514d8981 4841 *
AnnaBridge 156:ff21514d8981 4842 * \par Instance Structure
AnnaBridge 156:ff21514d8981 4843 * The Gains A0, A1, A2 and state variables for a PID controller are stored together in an instance data structure.
AnnaBridge 156:ff21514d8981 4844 * A separate instance structure must be defined for each PID Controller.
AnnaBridge 156:ff21514d8981 4845 * There are separate instance structure declarations for each of the 3 supported data types.
AnnaBridge 156:ff21514d8981 4846 *
AnnaBridge 156:ff21514d8981 4847 * \par Reset Functions
AnnaBridge 156:ff21514d8981 4848 * There is also an associated reset function for each data type which clears the state array.
AnnaBridge 156:ff21514d8981 4849 *
AnnaBridge 156:ff21514d8981 4850 * \par Initialization Functions
AnnaBridge 156:ff21514d8981 4851 * There is also an associated initialization function for each data type.
AnnaBridge 156:ff21514d8981 4852 * The initialization function performs the following operations:
AnnaBridge 156:ff21514d8981 4853 * - Initializes the Gains A0, A1, A2 from Kp,Ki, Kd gains.
AnnaBridge 156:ff21514d8981 4854 * - Zeros out the values in the state buffer.
AnnaBridge 156:ff21514d8981 4855 *
AnnaBridge 156:ff21514d8981 4856 * \par
AnnaBridge 156:ff21514d8981 4857 * Instance structure cannot be placed into a const data section and it is recommended to use the initialization function.
AnnaBridge 156:ff21514d8981 4858 *
AnnaBridge 156:ff21514d8981 4859 * \par Fixed-Point Behavior
AnnaBridge 156:ff21514d8981 4860 * Care must be taken when using the fixed-point versions of the PID Controller functions.
AnnaBridge 156:ff21514d8981 4861 * In particular, the overflow and saturation behavior of the accumulator used in each function must be considered.
AnnaBridge 156:ff21514d8981 4862 * Refer to the function specific documentation below for usage guidelines.
AnnaBridge 156:ff21514d8981 4863 */
AnnaBridge 156:ff21514d8981 4864
AnnaBridge 156:ff21514d8981 4865 /**
AnnaBridge 156:ff21514d8981 4866 * @addtogroup PID
AnnaBridge 156:ff21514d8981 4867 * @{
AnnaBridge 156:ff21514d8981 4868 */
AnnaBridge 156:ff21514d8981 4869
AnnaBridge 156:ff21514d8981 4870 /**
AnnaBridge 156:ff21514d8981 4871 * @brief Process function for the floating-point PID Control.
AnnaBridge 156:ff21514d8981 4872 * @param[in,out] S is an instance of the floating-point PID Control structure
AnnaBridge 156:ff21514d8981 4873 * @param[in] in input sample to process
AnnaBridge 156:ff21514d8981 4874 * @return out processed output sample.
AnnaBridge 156:ff21514d8981 4875 */
AnnaBridge 156:ff21514d8981 4876 CMSIS_INLINE __STATIC_INLINE float32_t arm_pid_f32(
AnnaBridge 156:ff21514d8981 4877 arm_pid_instance_f32 * S,
AnnaBridge 156:ff21514d8981 4878 float32_t in)
AnnaBridge 156:ff21514d8981 4879 {
AnnaBridge 156:ff21514d8981 4880 float32_t out;
AnnaBridge 156:ff21514d8981 4881
AnnaBridge 156:ff21514d8981 4882 /* y[n] = y[n-1] + A0 * x[n] + A1 * x[n-1] + A2 * x[n-2] */
AnnaBridge 156:ff21514d8981 4883 out = (S->A0 * in) +
AnnaBridge 156:ff21514d8981 4884 (S->A1 * S->state[0]) + (S->A2 * S->state[1]) + (S->state[2]);
AnnaBridge 156:ff21514d8981 4885
AnnaBridge 156:ff21514d8981 4886 /* Update state */
AnnaBridge 156:ff21514d8981 4887 S->state[1] = S->state[0];
AnnaBridge 156:ff21514d8981 4888 S->state[0] = in;
AnnaBridge 156:ff21514d8981 4889 S->state[2] = out;
AnnaBridge 156:ff21514d8981 4890
AnnaBridge 156:ff21514d8981 4891 /* return to application */
AnnaBridge 156:ff21514d8981 4892 return (out);
AnnaBridge 156:ff21514d8981 4893
AnnaBridge 156:ff21514d8981 4894 }
AnnaBridge 156:ff21514d8981 4895
AnnaBridge 156:ff21514d8981 4896 /**
AnnaBridge 156:ff21514d8981 4897 * @brief Process function for the Q31 PID Control.
AnnaBridge 156:ff21514d8981 4898 * @param[in,out] S points to an instance of the Q31 PID Control structure
AnnaBridge 156:ff21514d8981 4899 * @param[in] in input sample to process
AnnaBridge 156:ff21514d8981 4900 * @return out processed output sample.
AnnaBridge 156:ff21514d8981 4901 *
AnnaBridge 156:ff21514d8981 4902 * <b>Scaling and Overflow Behavior:</b>
AnnaBridge 156:ff21514d8981 4903 * \par
AnnaBridge 156:ff21514d8981 4904 * The function is implemented using an internal 64-bit accumulator.
AnnaBridge 156:ff21514d8981 4905 * The accumulator has a 2.62 format and maintains full precision of the intermediate multiplication results but provides only a single guard bit.
AnnaBridge 156:ff21514d8981 4906 * Thus, if the accumulator result overflows it wraps around rather than clip.
AnnaBridge 156:ff21514d8981 4907 * In order to avoid overflows completely the input signal must be scaled down by 2 bits as there are four additions.
AnnaBridge 156:ff21514d8981 4908 * After all multiply-accumulates are performed, the 2.62 accumulator is truncated to 1.32 format and then saturated to 1.31 format.
AnnaBridge 156:ff21514d8981 4909 */
AnnaBridge 156:ff21514d8981 4910 CMSIS_INLINE __STATIC_INLINE q31_t arm_pid_q31(
AnnaBridge 156:ff21514d8981 4911 arm_pid_instance_q31 * S,
AnnaBridge 156:ff21514d8981 4912 q31_t in)
AnnaBridge 156:ff21514d8981 4913 {
AnnaBridge 156:ff21514d8981 4914 q63_t acc;
AnnaBridge 156:ff21514d8981 4915 q31_t out;
AnnaBridge 156:ff21514d8981 4916
AnnaBridge 156:ff21514d8981 4917 /* acc = A0 * x[n] */
AnnaBridge 156:ff21514d8981 4918 acc = (q63_t) S->A0 * in;
AnnaBridge 156:ff21514d8981 4919
AnnaBridge 156:ff21514d8981 4920 /* acc += A1 * x[n-1] */
AnnaBridge 156:ff21514d8981 4921 acc += (q63_t) S->A1 * S->state[0];
AnnaBridge 156:ff21514d8981 4922
AnnaBridge 156:ff21514d8981 4923 /* acc += A2 * x[n-2] */
AnnaBridge 156:ff21514d8981 4924 acc += (q63_t) S->A2 * S->state[1];
AnnaBridge 156:ff21514d8981 4925
AnnaBridge 156:ff21514d8981 4926 /* convert output to 1.31 format to add y[n-1] */
AnnaBridge 156:ff21514d8981 4927 out = (q31_t) (acc >> 31u);
AnnaBridge 156:ff21514d8981 4928
AnnaBridge 156:ff21514d8981 4929 /* out += y[n-1] */
AnnaBridge 156:ff21514d8981 4930 out += S->state[2];
AnnaBridge 156:ff21514d8981 4931
AnnaBridge 156:ff21514d8981 4932 /* Update state */
AnnaBridge 156:ff21514d8981 4933 S->state[1] = S->state[0];
AnnaBridge 156:ff21514d8981 4934 S->state[0] = in;
AnnaBridge 156:ff21514d8981 4935 S->state[2] = out;
AnnaBridge 156:ff21514d8981 4936
AnnaBridge 156:ff21514d8981 4937 /* return to application */
AnnaBridge 156:ff21514d8981 4938 return (out);
AnnaBridge 156:ff21514d8981 4939 }
AnnaBridge 156:ff21514d8981 4940
AnnaBridge 156:ff21514d8981 4941
AnnaBridge 156:ff21514d8981 4942 /**
AnnaBridge 156:ff21514d8981 4943 * @brief Process function for the Q15 PID Control.
AnnaBridge 156:ff21514d8981 4944 * @param[in,out] S points to an instance of the Q15 PID Control structure
AnnaBridge 156:ff21514d8981 4945 * @param[in] in input sample to process
AnnaBridge 156:ff21514d8981 4946 * @return out processed output sample.
AnnaBridge 156:ff21514d8981 4947 *
AnnaBridge 156:ff21514d8981 4948 * <b>Scaling and Overflow Behavior:</b>
AnnaBridge 156:ff21514d8981 4949 * \par
AnnaBridge 156:ff21514d8981 4950 * The function is implemented using a 64-bit internal accumulator.
AnnaBridge 156:ff21514d8981 4951 * Both Gains and state variables are represented in 1.15 format and multiplications yield a 2.30 result.
AnnaBridge 156:ff21514d8981 4952 * The 2.30 intermediate results are accumulated in a 64-bit accumulator in 34.30 format.
AnnaBridge 156:ff21514d8981 4953 * There is no risk of internal overflow with this approach and the full precision of intermediate multiplications is preserved.
AnnaBridge 156:ff21514d8981 4954 * After all additions have been performed, the accumulator is truncated to 34.15 format by discarding low 15 bits.
AnnaBridge 156:ff21514d8981 4955 * Lastly, the accumulator is saturated to yield a result in 1.15 format.
AnnaBridge 156:ff21514d8981 4956 */
AnnaBridge 156:ff21514d8981 4957 CMSIS_INLINE __STATIC_INLINE q15_t arm_pid_q15(
AnnaBridge 156:ff21514d8981 4958 arm_pid_instance_q15 * S,
AnnaBridge 156:ff21514d8981 4959 q15_t in)
AnnaBridge 156:ff21514d8981 4960 {
AnnaBridge 156:ff21514d8981 4961 q63_t acc;
AnnaBridge 156:ff21514d8981 4962 q15_t out;
AnnaBridge 156:ff21514d8981 4963
AnnaBridge 156:ff21514d8981 4964 #if defined (ARM_MATH_DSP)
AnnaBridge 156:ff21514d8981 4965 __SIMD32_TYPE *vstate;
AnnaBridge 156:ff21514d8981 4966
AnnaBridge 156:ff21514d8981 4967 /* Implementation of PID controller */
AnnaBridge 156:ff21514d8981 4968
AnnaBridge 156:ff21514d8981 4969 /* acc = A0 * x[n] */
AnnaBridge 156:ff21514d8981 4970 acc = (q31_t) __SMUAD((uint32_t)S->A0, (uint32_t)in);
AnnaBridge 156:ff21514d8981 4971
AnnaBridge 156:ff21514d8981 4972 /* acc += A1 * x[n-1] + A2 * x[n-2] */
AnnaBridge 156:ff21514d8981 4973 vstate = __SIMD32_CONST(S->state);
AnnaBridge 156:ff21514d8981 4974 acc = (q63_t)__SMLALD((uint32_t)S->A1, (uint32_t)*vstate, (uint64_t)acc);
AnnaBridge 156:ff21514d8981 4975 #else
AnnaBridge 156:ff21514d8981 4976 /* acc = A0 * x[n] */
AnnaBridge 156:ff21514d8981 4977 acc = ((q31_t) S->A0) * in;
AnnaBridge 156:ff21514d8981 4978
AnnaBridge 156:ff21514d8981 4979 /* acc += A1 * x[n-1] + A2 * x[n-2] */
AnnaBridge 156:ff21514d8981 4980 acc += (q31_t) S->A1 * S->state[0];
AnnaBridge 156:ff21514d8981 4981 acc += (q31_t) S->A2 * S->state[1];
AnnaBridge 156:ff21514d8981 4982 #endif
AnnaBridge 156:ff21514d8981 4983
AnnaBridge 156:ff21514d8981 4984 /* acc += y[n-1] */
AnnaBridge 156:ff21514d8981 4985 acc += (q31_t) S->state[2] << 15;
AnnaBridge 156:ff21514d8981 4986
AnnaBridge 156:ff21514d8981 4987 /* saturate the output */
AnnaBridge 156:ff21514d8981 4988 out = (q15_t) (__SSAT((acc >> 15), 16));
AnnaBridge 156:ff21514d8981 4989
AnnaBridge 156:ff21514d8981 4990 /* Update state */
AnnaBridge 156:ff21514d8981 4991 S->state[1] = S->state[0];
AnnaBridge 156:ff21514d8981 4992 S->state[0] = in;
AnnaBridge 156:ff21514d8981 4993 S->state[2] = out;
AnnaBridge 156:ff21514d8981 4994
AnnaBridge 156:ff21514d8981 4995 /* return to application */
AnnaBridge 156:ff21514d8981 4996 return (out);
AnnaBridge 156:ff21514d8981 4997 }
AnnaBridge 156:ff21514d8981 4998
AnnaBridge 156:ff21514d8981 4999 /**
AnnaBridge 156:ff21514d8981 5000 * @} end of PID group
AnnaBridge 156:ff21514d8981 5001 */
AnnaBridge 156:ff21514d8981 5002
AnnaBridge 156:ff21514d8981 5003
AnnaBridge 156:ff21514d8981 5004 /**
AnnaBridge 156:ff21514d8981 5005 * @brief Floating-point matrix inverse.
AnnaBridge 156:ff21514d8981 5006 * @param[in] src points to the instance of the input floating-point matrix structure.
AnnaBridge 156:ff21514d8981 5007 * @param[out] dst points to the instance of the output floating-point matrix structure.
AnnaBridge 156:ff21514d8981 5008 * @return The function returns ARM_MATH_SIZE_MISMATCH, if the dimensions do not match.
AnnaBridge 156:ff21514d8981 5009 * If the input matrix is singular (does not have an inverse), then the algorithm terminates and returns error status ARM_MATH_SINGULAR.
AnnaBridge 156:ff21514d8981 5010 */
AnnaBridge 156:ff21514d8981 5011 arm_status arm_mat_inverse_f32(
AnnaBridge 156:ff21514d8981 5012 const arm_matrix_instance_f32 * src,
AnnaBridge 156:ff21514d8981 5013 arm_matrix_instance_f32 * dst);
AnnaBridge 156:ff21514d8981 5014
AnnaBridge 156:ff21514d8981 5015
AnnaBridge 156:ff21514d8981 5016 /**
AnnaBridge 156:ff21514d8981 5017 * @brief Floating-point matrix inverse.
AnnaBridge 156:ff21514d8981 5018 * @param[in] src points to the instance of the input floating-point matrix structure.
AnnaBridge 156:ff21514d8981 5019 * @param[out] dst points to the instance of the output floating-point matrix structure.
AnnaBridge 156:ff21514d8981 5020 * @return The function returns ARM_MATH_SIZE_MISMATCH, if the dimensions do not match.
AnnaBridge 156:ff21514d8981 5021 * If the input matrix is singular (does not have an inverse), then the algorithm terminates and returns error status ARM_MATH_SINGULAR.
AnnaBridge 156:ff21514d8981 5022 */
AnnaBridge 156:ff21514d8981 5023 arm_status arm_mat_inverse_f64(
AnnaBridge 156:ff21514d8981 5024 const arm_matrix_instance_f64 * src,
AnnaBridge 156:ff21514d8981 5025 arm_matrix_instance_f64 * dst);
AnnaBridge 156:ff21514d8981 5026
AnnaBridge 156:ff21514d8981 5027
AnnaBridge 156:ff21514d8981 5028
AnnaBridge 156:ff21514d8981 5029 /**
AnnaBridge 156:ff21514d8981 5030 * @ingroup groupController
AnnaBridge 156:ff21514d8981 5031 */
AnnaBridge 156:ff21514d8981 5032
AnnaBridge 156:ff21514d8981 5033 /**
AnnaBridge 156:ff21514d8981 5034 * @defgroup clarke Vector Clarke Transform
AnnaBridge 156:ff21514d8981 5035 * Forward Clarke transform converts the instantaneous stator phases into a two-coordinate time invariant vector.
AnnaBridge 156:ff21514d8981 5036 * Generally the Clarke transform uses three-phase currents <code>Ia, Ib and Ic</code> to calculate currents
AnnaBridge 156:ff21514d8981 5037 * in the two-phase orthogonal stator axis <code>Ialpha</code> and <code>Ibeta</code>.
AnnaBridge 156:ff21514d8981 5038 * When <code>Ialpha</code> is superposed with <code>Ia</code> as shown in the figure below
AnnaBridge 156:ff21514d8981 5039 * \image html clarke.gif Stator current space vector and its components in (a,b).
AnnaBridge 156:ff21514d8981 5040 * and <code>Ia + Ib + Ic = 0</code>, in this condition <code>Ialpha</code> and <code>Ibeta</code>
AnnaBridge 156:ff21514d8981 5041 * can be calculated using only <code>Ia</code> and <code>Ib</code>.
AnnaBridge 156:ff21514d8981 5042 *
AnnaBridge 156:ff21514d8981 5043 * The function operates on a single sample of data and each call to the function returns the processed output.
AnnaBridge 156:ff21514d8981 5044 * The library provides separate functions for Q31 and floating-point data types.
AnnaBridge 156:ff21514d8981 5045 * \par Algorithm
AnnaBridge 156:ff21514d8981 5046 * \image html clarkeFormula.gif
AnnaBridge 156:ff21514d8981 5047 * where <code>Ia</code> and <code>Ib</code> are the instantaneous stator phases and
AnnaBridge 156:ff21514d8981 5048 * <code>pIalpha</code> and <code>pIbeta</code> are the two coordinates of time invariant vector.
AnnaBridge 156:ff21514d8981 5049 * \par Fixed-Point Behavior
AnnaBridge 156:ff21514d8981 5050 * Care must be taken when using the Q31 version of the Clarke transform.
AnnaBridge 156:ff21514d8981 5051 * In particular, the overflow and saturation behavior of the accumulator used must be considered.
AnnaBridge 156:ff21514d8981 5052 * Refer to the function specific documentation below for usage guidelines.
AnnaBridge 156:ff21514d8981 5053 */
AnnaBridge 156:ff21514d8981 5054
AnnaBridge 156:ff21514d8981 5055 /**
AnnaBridge 156:ff21514d8981 5056 * @addtogroup clarke
AnnaBridge 156:ff21514d8981 5057 * @{
AnnaBridge 156:ff21514d8981 5058 */
AnnaBridge 156:ff21514d8981 5059
AnnaBridge 156:ff21514d8981 5060 /**
AnnaBridge 156:ff21514d8981 5061 *
AnnaBridge 156:ff21514d8981 5062 * @brief Floating-point Clarke transform
AnnaBridge 156:ff21514d8981 5063 * @param[in] Ia input three-phase coordinate <code>a</code>
AnnaBridge 156:ff21514d8981 5064 * @param[in] Ib input three-phase coordinate <code>b</code>
AnnaBridge 156:ff21514d8981 5065 * @param[out] pIalpha points to output two-phase orthogonal vector axis alpha
AnnaBridge 156:ff21514d8981 5066 * @param[out] pIbeta points to output two-phase orthogonal vector axis beta
AnnaBridge 156:ff21514d8981 5067 */
AnnaBridge 156:ff21514d8981 5068 CMSIS_INLINE __STATIC_INLINE void arm_clarke_f32(
AnnaBridge 156:ff21514d8981 5069 float32_t Ia,
AnnaBridge 156:ff21514d8981 5070 float32_t Ib,
AnnaBridge 156:ff21514d8981 5071 float32_t * pIalpha,
AnnaBridge 156:ff21514d8981 5072 float32_t * pIbeta)
AnnaBridge 156:ff21514d8981 5073 {
AnnaBridge 156:ff21514d8981 5074 /* Calculate pIalpha using the equation, pIalpha = Ia */
AnnaBridge 156:ff21514d8981 5075 *pIalpha = Ia;
AnnaBridge 156:ff21514d8981 5076
AnnaBridge 156:ff21514d8981 5077 /* Calculate pIbeta using the equation, pIbeta = (1/sqrt(3)) * Ia + (2/sqrt(3)) * Ib */
AnnaBridge 156:ff21514d8981 5078 *pIbeta = ((float32_t) 0.57735026919 * Ia + (float32_t) 1.15470053838 * Ib);
AnnaBridge 156:ff21514d8981 5079 }
AnnaBridge 156:ff21514d8981 5080
AnnaBridge 156:ff21514d8981 5081
AnnaBridge 156:ff21514d8981 5082 /**
AnnaBridge 156:ff21514d8981 5083 * @brief Clarke transform for Q31 version
AnnaBridge 156:ff21514d8981 5084 * @param[in] Ia input three-phase coordinate <code>a</code>
AnnaBridge 156:ff21514d8981 5085 * @param[in] Ib input three-phase coordinate <code>b</code>
AnnaBridge 156:ff21514d8981 5086 * @param[out] pIalpha points to output two-phase orthogonal vector axis alpha
AnnaBridge 156:ff21514d8981 5087 * @param[out] pIbeta points to output two-phase orthogonal vector axis beta
AnnaBridge 156:ff21514d8981 5088 *
AnnaBridge 156:ff21514d8981 5089 * <b>Scaling and Overflow Behavior:</b>
AnnaBridge 156:ff21514d8981 5090 * \par
AnnaBridge 156:ff21514d8981 5091 * The function is implemented using an internal 32-bit accumulator.
AnnaBridge 156:ff21514d8981 5092 * The accumulator maintains 1.31 format by truncating lower 31 bits of the intermediate multiplication in 2.62 format.
AnnaBridge 156:ff21514d8981 5093 * There is saturation on the addition, hence there is no risk of overflow.
AnnaBridge 156:ff21514d8981 5094 */
AnnaBridge 156:ff21514d8981 5095 CMSIS_INLINE __STATIC_INLINE void arm_clarke_q31(
AnnaBridge 156:ff21514d8981 5096 q31_t Ia,
AnnaBridge 156:ff21514d8981 5097 q31_t Ib,
AnnaBridge 156:ff21514d8981 5098 q31_t * pIalpha,
AnnaBridge 156:ff21514d8981 5099 q31_t * pIbeta)
AnnaBridge 156:ff21514d8981 5100 {
AnnaBridge 156:ff21514d8981 5101 q31_t product1, product2; /* Temporary variables used to store intermediate results */
AnnaBridge 156:ff21514d8981 5102
AnnaBridge 156:ff21514d8981 5103 /* Calculating pIalpha from Ia by equation pIalpha = Ia */
AnnaBridge 156:ff21514d8981 5104 *pIalpha = Ia;
AnnaBridge 156:ff21514d8981 5105
AnnaBridge 156:ff21514d8981 5106 /* Intermediate product is calculated by (1/(sqrt(3)) * Ia) */
AnnaBridge 156:ff21514d8981 5107 product1 = (q31_t) (((q63_t) Ia * 0x24F34E8B) >> 30);
AnnaBridge 156:ff21514d8981 5108
AnnaBridge 156:ff21514d8981 5109 /* Intermediate product is calculated by (2/sqrt(3) * Ib) */
AnnaBridge 156:ff21514d8981 5110 product2 = (q31_t) (((q63_t) Ib * 0x49E69D16) >> 30);
AnnaBridge 156:ff21514d8981 5111
AnnaBridge 156:ff21514d8981 5112 /* pIbeta is calculated by adding the intermediate products */
AnnaBridge 156:ff21514d8981 5113 *pIbeta = __QADD(product1, product2);
AnnaBridge 156:ff21514d8981 5114 }
AnnaBridge 156:ff21514d8981 5115
AnnaBridge 156:ff21514d8981 5116 /**
AnnaBridge 156:ff21514d8981 5117 * @} end of clarke group
AnnaBridge 156:ff21514d8981 5118 */
AnnaBridge 156:ff21514d8981 5119
AnnaBridge 156:ff21514d8981 5120 /**
AnnaBridge 156:ff21514d8981 5121 * @brief Converts the elements of the Q7 vector to Q31 vector.
AnnaBridge 156:ff21514d8981 5122 * @param[in] pSrc input pointer
AnnaBridge 156:ff21514d8981 5123 * @param[out] pDst output pointer
AnnaBridge 156:ff21514d8981 5124 * @param[in] blockSize number of samples to process
AnnaBridge 156:ff21514d8981 5125 */
AnnaBridge 156:ff21514d8981 5126 void arm_q7_to_q31(
AnnaBridge 156:ff21514d8981 5127 q7_t * pSrc,
AnnaBridge 156:ff21514d8981 5128 q31_t * pDst,
AnnaBridge 156:ff21514d8981 5129 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 5130
AnnaBridge 156:ff21514d8981 5131
AnnaBridge 156:ff21514d8981 5132
AnnaBridge 156:ff21514d8981 5133 /**
AnnaBridge 156:ff21514d8981 5134 * @ingroup groupController
AnnaBridge 156:ff21514d8981 5135 */
AnnaBridge 156:ff21514d8981 5136
AnnaBridge 156:ff21514d8981 5137 /**
AnnaBridge 156:ff21514d8981 5138 * @defgroup inv_clarke Vector Inverse Clarke Transform
AnnaBridge 156:ff21514d8981 5139 * Inverse Clarke transform converts the two-coordinate time invariant vector into instantaneous stator phases.
AnnaBridge 156:ff21514d8981 5140 *
AnnaBridge 156:ff21514d8981 5141 * The function operates on a single sample of data and each call to the function returns the processed output.
AnnaBridge 156:ff21514d8981 5142 * The library provides separate functions for Q31 and floating-point data types.
AnnaBridge 156:ff21514d8981 5143 * \par Algorithm
AnnaBridge 156:ff21514d8981 5144 * \image html clarkeInvFormula.gif
AnnaBridge 156:ff21514d8981 5145 * where <code>pIa</code> and <code>pIb</code> are the instantaneous stator phases and
AnnaBridge 156:ff21514d8981 5146 * <code>Ialpha</code> and <code>Ibeta</code> are the two coordinates of time invariant vector.
AnnaBridge 156:ff21514d8981 5147 * \par Fixed-Point Behavior
AnnaBridge 156:ff21514d8981 5148 * Care must be taken when using the Q31 version of the Clarke transform.
AnnaBridge 156:ff21514d8981 5149 * In particular, the overflow and saturation behavior of the accumulator used must be considered.
AnnaBridge 156:ff21514d8981 5150 * Refer to the function specific documentation below for usage guidelines.
AnnaBridge 156:ff21514d8981 5151 */
AnnaBridge 156:ff21514d8981 5152
AnnaBridge 156:ff21514d8981 5153 /**
AnnaBridge 156:ff21514d8981 5154 * @addtogroup inv_clarke
AnnaBridge 156:ff21514d8981 5155 * @{
AnnaBridge 156:ff21514d8981 5156 */
AnnaBridge 156:ff21514d8981 5157
AnnaBridge 156:ff21514d8981 5158 /**
AnnaBridge 156:ff21514d8981 5159 * @brief Floating-point Inverse Clarke transform
AnnaBridge 156:ff21514d8981 5160 * @param[in] Ialpha input two-phase orthogonal vector axis alpha
AnnaBridge 156:ff21514d8981 5161 * @param[in] Ibeta input two-phase orthogonal vector axis beta
AnnaBridge 156:ff21514d8981 5162 * @param[out] pIa points to output three-phase coordinate <code>a</code>
AnnaBridge 156:ff21514d8981 5163 * @param[out] pIb points to output three-phase coordinate <code>b</code>
AnnaBridge 156:ff21514d8981 5164 */
AnnaBridge 156:ff21514d8981 5165 CMSIS_INLINE __STATIC_INLINE void arm_inv_clarke_f32(
AnnaBridge 156:ff21514d8981 5166 float32_t Ialpha,
AnnaBridge 156:ff21514d8981 5167 float32_t Ibeta,
AnnaBridge 156:ff21514d8981 5168 float32_t * pIa,
AnnaBridge 156:ff21514d8981 5169 float32_t * pIb)
AnnaBridge 156:ff21514d8981 5170 {
AnnaBridge 156:ff21514d8981 5171 /* Calculating pIa from Ialpha by equation pIa = Ialpha */
AnnaBridge 156:ff21514d8981 5172 *pIa = Ialpha;
AnnaBridge 156:ff21514d8981 5173
AnnaBridge 156:ff21514d8981 5174 /* Calculating pIb from Ialpha and Ibeta by equation pIb = -(1/2) * Ialpha + (sqrt(3)/2) * Ibeta */
AnnaBridge 156:ff21514d8981 5175 *pIb = -0.5f * Ialpha + 0.8660254039f * Ibeta;
AnnaBridge 156:ff21514d8981 5176 }
AnnaBridge 156:ff21514d8981 5177
AnnaBridge 156:ff21514d8981 5178
AnnaBridge 156:ff21514d8981 5179 /**
AnnaBridge 156:ff21514d8981 5180 * @brief Inverse Clarke transform for Q31 version
AnnaBridge 156:ff21514d8981 5181 * @param[in] Ialpha input two-phase orthogonal vector axis alpha
AnnaBridge 156:ff21514d8981 5182 * @param[in] Ibeta input two-phase orthogonal vector axis beta
AnnaBridge 156:ff21514d8981 5183 * @param[out] pIa points to output three-phase coordinate <code>a</code>
AnnaBridge 156:ff21514d8981 5184 * @param[out] pIb points to output three-phase coordinate <code>b</code>
AnnaBridge 156:ff21514d8981 5185 *
AnnaBridge 156:ff21514d8981 5186 * <b>Scaling and Overflow Behavior:</b>
AnnaBridge 156:ff21514d8981 5187 * \par
AnnaBridge 156:ff21514d8981 5188 * The function is implemented using an internal 32-bit accumulator.
AnnaBridge 156:ff21514d8981 5189 * The accumulator maintains 1.31 format by truncating lower 31 bits of the intermediate multiplication in 2.62 format.
AnnaBridge 156:ff21514d8981 5190 * There is saturation on the subtraction, hence there is no risk of overflow.
AnnaBridge 156:ff21514d8981 5191 */
AnnaBridge 156:ff21514d8981 5192 CMSIS_INLINE __STATIC_INLINE void arm_inv_clarke_q31(
AnnaBridge 156:ff21514d8981 5193 q31_t Ialpha,
AnnaBridge 156:ff21514d8981 5194 q31_t Ibeta,
AnnaBridge 156:ff21514d8981 5195 q31_t * pIa,
AnnaBridge 156:ff21514d8981 5196 q31_t * pIb)
AnnaBridge 156:ff21514d8981 5197 {
AnnaBridge 156:ff21514d8981 5198 q31_t product1, product2; /* Temporary variables used to store intermediate results */
AnnaBridge 156:ff21514d8981 5199
AnnaBridge 156:ff21514d8981 5200 /* Calculating pIa from Ialpha by equation pIa = Ialpha */
AnnaBridge 156:ff21514d8981 5201 *pIa = Ialpha;
AnnaBridge 156:ff21514d8981 5202
AnnaBridge 156:ff21514d8981 5203 /* Intermediate product is calculated by (1/(2*sqrt(3)) * Ia) */
AnnaBridge 156:ff21514d8981 5204 product1 = (q31_t) (((q63_t) (Ialpha) * (0x40000000)) >> 31);
AnnaBridge 156:ff21514d8981 5205
AnnaBridge 156:ff21514d8981 5206 /* Intermediate product is calculated by (1/sqrt(3) * pIb) */
AnnaBridge 156:ff21514d8981 5207 product2 = (q31_t) (((q63_t) (Ibeta) * (0x6ED9EBA1)) >> 31);
AnnaBridge 156:ff21514d8981 5208
AnnaBridge 156:ff21514d8981 5209 /* pIb is calculated by subtracting the products */
AnnaBridge 156:ff21514d8981 5210 *pIb = __QSUB(product2, product1);
AnnaBridge 156:ff21514d8981 5211 }
AnnaBridge 156:ff21514d8981 5212
AnnaBridge 156:ff21514d8981 5213 /**
AnnaBridge 156:ff21514d8981 5214 * @} end of inv_clarke group
AnnaBridge 156:ff21514d8981 5215 */
AnnaBridge 156:ff21514d8981 5216
AnnaBridge 156:ff21514d8981 5217 /**
AnnaBridge 156:ff21514d8981 5218 * @brief Converts the elements of the Q7 vector to Q15 vector.
AnnaBridge 156:ff21514d8981 5219 * @param[in] pSrc input pointer
AnnaBridge 156:ff21514d8981 5220 * @param[out] pDst output pointer
AnnaBridge 156:ff21514d8981 5221 * @param[in] blockSize number of samples to process
AnnaBridge 156:ff21514d8981 5222 */
AnnaBridge 156:ff21514d8981 5223 void arm_q7_to_q15(
AnnaBridge 156:ff21514d8981 5224 q7_t * pSrc,
AnnaBridge 156:ff21514d8981 5225 q15_t * pDst,
AnnaBridge 156:ff21514d8981 5226 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 5227
AnnaBridge 156:ff21514d8981 5228
AnnaBridge 156:ff21514d8981 5229
AnnaBridge 156:ff21514d8981 5230 /**
AnnaBridge 156:ff21514d8981 5231 * @ingroup groupController
AnnaBridge 156:ff21514d8981 5232 */
AnnaBridge 156:ff21514d8981 5233
AnnaBridge 156:ff21514d8981 5234 /**
AnnaBridge 156:ff21514d8981 5235 * @defgroup park Vector Park Transform
AnnaBridge 156:ff21514d8981 5236 *
AnnaBridge 156:ff21514d8981 5237 * Forward Park transform converts the input two-coordinate vector to flux and torque components.
AnnaBridge 156:ff21514d8981 5238 * The Park transform can be used to realize the transformation of the <code>Ialpha</code> and the <code>Ibeta</code> currents
AnnaBridge 156:ff21514d8981 5239 * from the stationary to the moving reference frame and control the spatial relationship between
AnnaBridge 156:ff21514d8981 5240 * the stator vector current and rotor flux vector.
AnnaBridge 156:ff21514d8981 5241 * If we consider the d axis aligned with the rotor flux, the diagram below shows the
AnnaBridge 156:ff21514d8981 5242 * current vector and the relationship from the two reference frames:
AnnaBridge 156:ff21514d8981 5243 * \image html park.gif "Stator current space vector and its component in (a,b) and in the d,q rotating reference frame"
AnnaBridge 156:ff21514d8981 5244 *
AnnaBridge 156:ff21514d8981 5245 * The function operates on a single sample of data and each call to the function returns the processed output.
AnnaBridge 156:ff21514d8981 5246 * The library provides separate functions for Q31 and floating-point data types.
AnnaBridge 156:ff21514d8981 5247 * \par Algorithm
AnnaBridge 156:ff21514d8981 5248 * \image html parkFormula.gif
AnnaBridge 156:ff21514d8981 5249 * where <code>Ialpha</code> and <code>Ibeta</code> are the stator vector components,
AnnaBridge 156:ff21514d8981 5250 * <code>pId</code> and <code>pIq</code> are rotor vector components and <code>cosVal</code> and <code>sinVal</code> are the
AnnaBridge 156:ff21514d8981 5251 * cosine and sine values of theta (rotor flux position).
AnnaBridge 156:ff21514d8981 5252 * \par Fixed-Point Behavior
AnnaBridge 156:ff21514d8981 5253 * Care must be taken when using the Q31 version of the Park transform.
AnnaBridge 156:ff21514d8981 5254 * In particular, the overflow and saturation behavior of the accumulator used must be considered.
AnnaBridge 156:ff21514d8981 5255 * Refer to the function specific documentation below for usage guidelines.
AnnaBridge 156:ff21514d8981 5256 */
AnnaBridge 156:ff21514d8981 5257
AnnaBridge 156:ff21514d8981 5258 /**
AnnaBridge 156:ff21514d8981 5259 * @addtogroup park
AnnaBridge 156:ff21514d8981 5260 * @{
AnnaBridge 156:ff21514d8981 5261 */
AnnaBridge 156:ff21514d8981 5262
AnnaBridge 156:ff21514d8981 5263 /**
AnnaBridge 156:ff21514d8981 5264 * @brief Floating-point Park transform
AnnaBridge 156:ff21514d8981 5265 * @param[in] Ialpha input two-phase vector coordinate alpha
AnnaBridge 156:ff21514d8981 5266 * @param[in] Ibeta input two-phase vector coordinate beta
AnnaBridge 156:ff21514d8981 5267 * @param[out] pId points to output rotor reference frame d
AnnaBridge 156:ff21514d8981 5268 * @param[out] pIq points to output rotor reference frame q
AnnaBridge 156:ff21514d8981 5269 * @param[in] sinVal sine value of rotation angle theta
AnnaBridge 156:ff21514d8981 5270 * @param[in] cosVal cosine value of rotation angle theta
AnnaBridge 156:ff21514d8981 5271 *
AnnaBridge 156:ff21514d8981 5272 * The function implements the forward Park transform.
AnnaBridge 156:ff21514d8981 5273 *
AnnaBridge 156:ff21514d8981 5274 */
AnnaBridge 156:ff21514d8981 5275 CMSIS_INLINE __STATIC_INLINE void arm_park_f32(
AnnaBridge 156:ff21514d8981 5276 float32_t Ialpha,
AnnaBridge 156:ff21514d8981 5277 float32_t Ibeta,
AnnaBridge 156:ff21514d8981 5278 float32_t * pId,
AnnaBridge 156:ff21514d8981 5279 float32_t * pIq,
AnnaBridge 156:ff21514d8981 5280 float32_t sinVal,
AnnaBridge 156:ff21514d8981 5281 float32_t cosVal)
AnnaBridge 156:ff21514d8981 5282 {
AnnaBridge 156:ff21514d8981 5283 /* Calculate pId using the equation, pId = Ialpha * cosVal + Ibeta * sinVal */
AnnaBridge 156:ff21514d8981 5284 *pId = Ialpha * cosVal + Ibeta * sinVal;
AnnaBridge 156:ff21514d8981 5285
AnnaBridge 156:ff21514d8981 5286 /* Calculate pIq using the equation, pIq = - Ialpha * sinVal + Ibeta * cosVal */
AnnaBridge 156:ff21514d8981 5287 *pIq = -Ialpha * sinVal + Ibeta * cosVal;
AnnaBridge 156:ff21514d8981 5288 }
AnnaBridge 156:ff21514d8981 5289
AnnaBridge 156:ff21514d8981 5290
AnnaBridge 156:ff21514d8981 5291 /**
AnnaBridge 156:ff21514d8981 5292 * @brief Park transform for Q31 version
AnnaBridge 156:ff21514d8981 5293 * @param[in] Ialpha input two-phase vector coordinate alpha
AnnaBridge 156:ff21514d8981 5294 * @param[in] Ibeta input two-phase vector coordinate beta
AnnaBridge 156:ff21514d8981 5295 * @param[out] pId points to output rotor reference frame d
AnnaBridge 156:ff21514d8981 5296 * @param[out] pIq points to output rotor reference frame q
AnnaBridge 156:ff21514d8981 5297 * @param[in] sinVal sine value of rotation angle theta
AnnaBridge 156:ff21514d8981 5298 * @param[in] cosVal cosine value of rotation angle theta
AnnaBridge 156:ff21514d8981 5299 *
AnnaBridge 156:ff21514d8981 5300 * <b>Scaling and Overflow Behavior:</b>
AnnaBridge 156:ff21514d8981 5301 * \par
AnnaBridge 156:ff21514d8981 5302 * The function is implemented using an internal 32-bit accumulator.
AnnaBridge 156:ff21514d8981 5303 * The accumulator maintains 1.31 format by truncating lower 31 bits of the intermediate multiplication in 2.62 format.
AnnaBridge 156:ff21514d8981 5304 * There is saturation on the addition and subtraction, hence there is no risk of overflow.
AnnaBridge 156:ff21514d8981 5305 */
AnnaBridge 156:ff21514d8981 5306 CMSIS_INLINE __STATIC_INLINE void arm_park_q31(
AnnaBridge 156:ff21514d8981 5307 q31_t Ialpha,
AnnaBridge 156:ff21514d8981 5308 q31_t Ibeta,
AnnaBridge 156:ff21514d8981 5309 q31_t * pId,
AnnaBridge 156:ff21514d8981 5310 q31_t * pIq,
AnnaBridge 156:ff21514d8981 5311 q31_t sinVal,
AnnaBridge 156:ff21514d8981 5312 q31_t cosVal)
AnnaBridge 156:ff21514d8981 5313 {
AnnaBridge 156:ff21514d8981 5314 q31_t product1, product2; /* Temporary variables used to store intermediate results */
AnnaBridge 156:ff21514d8981 5315 q31_t product3, product4; /* Temporary variables used to store intermediate results */
AnnaBridge 156:ff21514d8981 5316
AnnaBridge 156:ff21514d8981 5317 /* Intermediate product is calculated by (Ialpha * cosVal) */
AnnaBridge 156:ff21514d8981 5318 product1 = (q31_t) (((q63_t) (Ialpha) * (cosVal)) >> 31);
AnnaBridge 156:ff21514d8981 5319
AnnaBridge 156:ff21514d8981 5320 /* Intermediate product is calculated by (Ibeta * sinVal) */
AnnaBridge 156:ff21514d8981 5321 product2 = (q31_t) (((q63_t) (Ibeta) * (sinVal)) >> 31);
AnnaBridge 156:ff21514d8981 5322
AnnaBridge 156:ff21514d8981 5323
AnnaBridge 156:ff21514d8981 5324 /* Intermediate product is calculated by (Ialpha * sinVal) */
AnnaBridge 156:ff21514d8981 5325 product3 = (q31_t) (((q63_t) (Ialpha) * (sinVal)) >> 31);
AnnaBridge 156:ff21514d8981 5326
AnnaBridge 156:ff21514d8981 5327 /* Intermediate product is calculated by (Ibeta * cosVal) */
AnnaBridge 156:ff21514d8981 5328 product4 = (q31_t) (((q63_t) (Ibeta) * (cosVal)) >> 31);
AnnaBridge 156:ff21514d8981 5329
AnnaBridge 156:ff21514d8981 5330 /* Calculate pId by adding the two intermediate products 1 and 2 */
AnnaBridge 156:ff21514d8981 5331 *pId = __QADD(product1, product2);
AnnaBridge 156:ff21514d8981 5332
AnnaBridge 156:ff21514d8981 5333 /* Calculate pIq by subtracting the two intermediate products 3 from 4 */
AnnaBridge 156:ff21514d8981 5334 *pIq = __QSUB(product4, product3);
AnnaBridge 156:ff21514d8981 5335 }
AnnaBridge 156:ff21514d8981 5336
AnnaBridge 156:ff21514d8981 5337 /**
AnnaBridge 156:ff21514d8981 5338 * @} end of park group
AnnaBridge 156:ff21514d8981 5339 */
AnnaBridge 156:ff21514d8981 5340
AnnaBridge 156:ff21514d8981 5341 /**
AnnaBridge 156:ff21514d8981 5342 * @brief Converts the elements of the Q7 vector to floating-point vector.
AnnaBridge 156:ff21514d8981 5343 * @param[in] pSrc is input pointer
AnnaBridge 156:ff21514d8981 5344 * @param[out] pDst is output pointer
AnnaBridge 156:ff21514d8981 5345 * @param[in] blockSize is the number of samples to process
AnnaBridge 156:ff21514d8981 5346 */
AnnaBridge 156:ff21514d8981 5347 void arm_q7_to_float(
AnnaBridge 156:ff21514d8981 5348 q7_t * pSrc,
AnnaBridge 156:ff21514d8981 5349 float32_t * pDst,
AnnaBridge 156:ff21514d8981 5350 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 5351
AnnaBridge 156:ff21514d8981 5352
AnnaBridge 156:ff21514d8981 5353 /**
AnnaBridge 156:ff21514d8981 5354 * @ingroup groupController
AnnaBridge 156:ff21514d8981 5355 */
AnnaBridge 156:ff21514d8981 5356
AnnaBridge 156:ff21514d8981 5357 /**
AnnaBridge 156:ff21514d8981 5358 * @defgroup inv_park Vector Inverse Park transform
AnnaBridge 156:ff21514d8981 5359 * Inverse Park transform converts the input flux and torque components to two-coordinate vector.
AnnaBridge 156:ff21514d8981 5360 *
AnnaBridge 156:ff21514d8981 5361 * The function operates on a single sample of data and each call to the function returns the processed output.
AnnaBridge 156:ff21514d8981 5362 * The library provides separate functions for Q31 and floating-point data types.
AnnaBridge 156:ff21514d8981 5363 * \par Algorithm
AnnaBridge 156:ff21514d8981 5364 * \image html parkInvFormula.gif
AnnaBridge 156:ff21514d8981 5365 * where <code>pIalpha</code> and <code>pIbeta</code> are the stator vector components,
AnnaBridge 156:ff21514d8981 5366 * <code>Id</code> and <code>Iq</code> are rotor vector components and <code>cosVal</code> and <code>sinVal</code> are the
AnnaBridge 156:ff21514d8981 5367 * cosine and sine values of theta (rotor flux position).
AnnaBridge 156:ff21514d8981 5368 * \par Fixed-Point Behavior
AnnaBridge 156:ff21514d8981 5369 * Care must be taken when using the Q31 version of the Park transform.
AnnaBridge 156:ff21514d8981 5370 * In particular, the overflow and saturation behavior of the accumulator used must be considered.
AnnaBridge 156:ff21514d8981 5371 * Refer to the function specific documentation below for usage guidelines.
AnnaBridge 156:ff21514d8981 5372 */
AnnaBridge 156:ff21514d8981 5373
AnnaBridge 156:ff21514d8981 5374 /**
AnnaBridge 156:ff21514d8981 5375 * @addtogroup inv_park
AnnaBridge 156:ff21514d8981 5376 * @{
AnnaBridge 156:ff21514d8981 5377 */
AnnaBridge 156:ff21514d8981 5378
AnnaBridge 156:ff21514d8981 5379 /**
AnnaBridge 156:ff21514d8981 5380 * @brief Floating-point Inverse Park transform
AnnaBridge 156:ff21514d8981 5381 * @param[in] Id input coordinate of rotor reference frame d
AnnaBridge 156:ff21514d8981 5382 * @param[in] Iq input coordinate of rotor reference frame q
AnnaBridge 156:ff21514d8981 5383 * @param[out] pIalpha points to output two-phase orthogonal vector axis alpha
AnnaBridge 156:ff21514d8981 5384 * @param[out] pIbeta points to output two-phase orthogonal vector axis beta
AnnaBridge 156:ff21514d8981 5385 * @param[in] sinVal sine value of rotation angle theta
AnnaBridge 156:ff21514d8981 5386 * @param[in] cosVal cosine value of rotation angle theta
AnnaBridge 156:ff21514d8981 5387 */
AnnaBridge 156:ff21514d8981 5388 CMSIS_INLINE __STATIC_INLINE void arm_inv_park_f32(
AnnaBridge 156:ff21514d8981 5389 float32_t Id,
AnnaBridge 156:ff21514d8981 5390 float32_t Iq,
AnnaBridge 156:ff21514d8981 5391 float32_t * pIalpha,
AnnaBridge 156:ff21514d8981 5392 float32_t * pIbeta,
AnnaBridge 156:ff21514d8981 5393 float32_t sinVal,
AnnaBridge 156:ff21514d8981 5394 float32_t cosVal)
AnnaBridge 156:ff21514d8981 5395 {
AnnaBridge 156:ff21514d8981 5396 /* Calculate pIalpha using the equation, pIalpha = Id * cosVal - Iq * sinVal */
AnnaBridge 156:ff21514d8981 5397 *pIalpha = Id * cosVal - Iq * sinVal;
AnnaBridge 156:ff21514d8981 5398
AnnaBridge 156:ff21514d8981 5399 /* Calculate pIbeta using the equation, pIbeta = Id * sinVal + Iq * cosVal */
AnnaBridge 156:ff21514d8981 5400 *pIbeta = Id * sinVal + Iq * cosVal;
AnnaBridge 156:ff21514d8981 5401 }
AnnaBridge 156:ff21514d8981 5402
AnnaBridge 156:ff21514d8981 5403
AnnaBridge 156:ff21514d8981 5404 /**
AnnaBridge 156:ff21514d8981 5405 * @brief Inverse Park transform for Q31 version
AnnaBridge 156:ff21514d8981 5406 * @param[in] Id input coordinate of rotor reference frame d
AnnaBridge 156:ff21514d8981 5407 * @param[in] Iq input coordinate of rotor reference frame q
AnnaBridge 156:ff21514d8981 5408 * @param[out] pIalpha points to output two-phase orthogonal vector axis alpha
AnnaBridge 156:ff21514d8981 5409 * @param[out] pIbeta points to output two-phase orthogonal vector axis beta
AnnaBridge 156:ff21514d8981 5410 * @param[in] sinVal sine value of rotation angle theta
AnnaBridge 156:ff21514d8981 5411 * @param[in] cosVal cosine value of rotation angle theta
AnnaBridge 156:ff21514d8981 5412 *
AnnaBridge 156:ff21514d8981 5413 * <b>Scaling and Overflow Behavior:</b>
AnnaBridge 156:ff21514d8981 5414 * \par
AnnaBridge 156:ff21514d8981 5415 * The function is implemented using an internal 32-bit accumulator.
AnnaBridge 156:ff21514d8981 5416 * The accumulator maintains 1.31 format by truncating lower 31 bits of the intermediate multiplication in 2.62 format.
AnnaBridge 156:ff21514d8981 5417 * There is saturation on the addition, hence there is no risk of overflow.
AnnaBridge 156:ff21514d8981 5418 */
AnnaBridge 156:ff21514d8981 5419 CMSIS_INLINE __STATIC_INLINE void arm_inv_park_q31(
AnnaBridge 156:ff21514d8981 5420 q31_t Id,
AnnaBridge 156:ff21514d8981 5421 q31_t Iq,
AnnaBridge 156:ff21514d8981 5422 q31_t * pIalpha,
AnnaBridge 156:ff21514d8981 5423 q31_t * pIbeta,
AnnaBridge 156:ff21514d8981 5424 q31_t sinVal,
AnnaBridge 156:ff21514d8981 5425 q31_t cosVal)
AnnaBridge 156:ff21514d8981 5426 {
AnnaBridge 156:ff21514d8981 5427 q31_t product1, product2; /* Temporary variables used to store intermediate results */
AnnaBridge 156:ff21514d8981 5428 q31_t product3, product4; /* Temporary variables used to store intermediate results */
AnnaBridge 156:ff21514d8981 5429
AnnaBridge 156:ff21514d8981 5430 /* Intermediate product is calculated by (Id * cosVal) */
AnnaBridge 156:ff21514d8981 5431 product1 = (q31_t) (((q63_t) (Id) * (cosVal)) >> 31);
AnnaBridge 156:ff21514d8981 5432
AnnaBridge 156:ff21514d8981 5433 /* Intermediate product is calculated by (Iq * sinVal) */
AnnaBridge 156:ff21514d8981 5434 product2 = (q31_t) (((q63_t) (Iq) * (sinVal)) >> 31);
AnnaBridge 156:ff21514d8981 5435
AnnaBridge 156:ff21514d8981 5436
AnnaBridge 156:ff21514d8981 5437 /* Intermediate product is calculated by (Id * sinVal) */
AnnaBridge 156:ff21514d8981 5438 product3 = (q31_t) (((q63_t) (Id) * (sinVal)) >> 31);
AnnaBridge 156:ff21514d8981 5439
AnnaBridge 156:ff21514d8981 5440 /* Intermediate product is calculated by (Iq * cosVal) */
AnnaBridge 156:ff21514d8981 5441 product4 = (q31_t) (((q63_t) (Iq) * (cosVal)) >> 31);
AnnaBridge 156:ff21514d8981 5442
AnnaBridge 156:ff21514d8981 5443 /* Calculate pIalpha by using the two intermediate products 1 and 2 */
AnnaBridge 156:ff21514d8981 5444 *pIalpha = __QSUB(product1, product2);
AnnaBridge 156:ff21514d8981 5445
AnnaBridge 156:ff21514d8981 5446 /* Calculate pIbeta by using the two intermediate products 3 and 4 */
AnnaBridge 156:ff21514d8981 5447 *pIbeta = __QADD(product4, product3);
AnnaBridge 156:ff21514d8981 5448 }
AnnaBridge 156:ff21514d8981 5449
AnnaBridge 156:ff21514d8981 5450 /**
AnnaBridge 156:ff21514d8981 5451 * @} end of Inverse park group
AnnaBridge 156:ff21514d8981 5452 */
AnnaBridge 156:ff21514d8981 5453
AnnaBridge 156:ff21514d8981 5454
AnnaBridge 156:ff21514d8981 5455 /**
AnnaBridge 156:ff21514d8981 5456 * @brief Converts the elements of the Q31 vector to floating-point vector.
AnnaBridge 156:ff21514d8981 5457 * @param[in] pSrc is input pointer
AnnaBridge 156:ff21514d8981 5458 * @param[out] pDst is output pointer
AnnaBridge 156:ff21514d8981 5459 * @param[in] blockSize is the number of samples to process
AnnaBridge 156:ff21514d8981 5460 */
AnnaBridge 156:ff21514d8981 5461 void arm_q31_to_float(
AnnaBridge 156:ff21514d8981 5462 q31_t * pSrc,
AnnaBridge 156:ff21514d8981 5463 float32_t * pDst,
AnnaBridge 156:ff21514d8981 5464 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 5465
AnnaBridge 156:ff21514d8981 5466 /**
AnnaBridge 156:ff21514d8981 5467 * @ingroup groupInterpolation
AnnaBridge 156:ff21514d8981 5468 */
AnnaBridge 156:ff21514d8981 5469
AnnaBridge 156:ff21514d8981 5470 /**
AnnaBridge 156:ff21514d8981 5471 * @defgroup LinearInterpolate Linear Interpolation
AnnaBridge 156:ff21514d8981 5472 *
AnnaBridge 156:ff21514d8981 5473 * Linear interpolation is a method of curve fitting using linear polynomials.
AnnaBridge 156:ff21514d8981 5474 * Linear interpolation works by effectively drawing a straight line between two neighboring samples and returning the appropriate point along that line
AnnaBridge 156:ff21514d8981 5475 *
AnnaBridge 156:ff21514d8981 5476 * \par
AnnaBridge 156:ff21514d8981 5477 * \image html LinearInterp.gif "Linear interpolation"
AnnaBridge 156:ff21514d8981 5478 *
AnnaBridge 156:ff21514d8981 5479 * \par
AnnaBridge 156:ff21514d8981 5480 * A Linear Interpolate function calculates an output value(y), for the input(x)
AnnaBridge 156:ff21514d8981 5481 * using linear interpolation of the input values x0, x1( nearest input values) and the output values y0 and y1(nearest output values)
AnnaBridge 156:ff21514d8981 5482 *
AnnaBridge 156:ff21514d8981 5483 * \par Algorithm:
AnnaBridge 156:ff21514d8981 5484 * <pre>
AnnaBridge 156:ff21514d8981 5485 * y = y0 + (x - x0) * ((y1 - y0)/(x1-x0))
AnnaBridge 156:ff21514d8981 5486 * where x0, x1 are nearest values of input x
AnnaBridge 156:ff21514d8981 5487 * y0, y1 are nearest values to output y
AnnaBridge 156:ff21514d8981 5488 * </pre>
AnnaBridge 156:ff21514d8981 5489 *
AnnaBridge 156:ff21514d8981 5490 * \par
AnnaBridge 156:ff21514d8981 5491 * This set of functions implements Linear interpolation process
AnnaBridge 156:ff21514d8981 5492 * for Q7, Q15, Q31, and floating-point data types. The functions operate on a single
AnnaBridge 156:ff21514d8981 5493 * sample of data and each call to the function returns a single processed value.
AnnaBridge 156:ff21514d8981 5494 * <code>S</code> points to an instance of the Linear Interpolate function data structure.
AnnaBridge 156:ff21514d8981 5495 * <code>x</code> is the input sample value. The functions returns the output value.
AnnaBridge 156:ff21514d8981 5496 *
AnnaBridge 156:ff21514d8981 5497 * \par
AnnaBridge 156:ff21514d8981 5498 * if x is outside of the table boundary, Linear interpolation returns first value of the table
AnnaBridge 156:ff21514d8981 5499 * if x is below input range and returns last value of table if x is above range.
AnnaBridge 156:ff21514d8981 5500 */
AnnaBridge 156:ff21514d8981 5501
AnnaBridge 156:ff21514d8981 5502 /**
AnnaBridge 156:ff21514d8981 5503 * @addtogroup LinearInterpolate
AnnaBridge 156:ff21514d8981 5504 * @{
AnnaBridge 156:ff21514d8981 5505 */
AnnaBridge 156:ff21514d8981 5506
AnnaBridge 156:ff21514d8981 5507 /**
AnnaBridge 156:ff21514d8981 5508 * @brief Process function for the floating-point Linear Interpolation Function.
AnnaBridge 156:ff21514d8981 5509 * @param[in,out] S is an instance of the floating-point Linear Interpolation structure
AnnaBridge 156:ff21514d8981 5510 * @param[in] x input sample to process
AnnaBridge 156:ff21514d8981 5511 * @return y processed output sample.
AnnaBridge 156:ff21514d8981 5512 *
AnnaBridge 156:ff21514d8981 5513 */
AnnaBridge 156:ff21514d8981 5514 CMSIS_INLINE __STATIC_INLINE float32_t arm_linear_interp_f32(
AnnaBridge 156:ff21514d8981 5515 arm_linear_interp_instance_f32 * S,
AnnaBridge 156:ff21514d8981 5516 float32_t x)
AnnaBridge 156:ff21514d8981 5517 {
AnnaBridge 156:ff21514d8981 5518 float32_t y;
AnnaBridge 156:ff21514d8981 5519 float32_t x0, x1; /* Nearest input values */
AnnaBridge 156:ff21514d8981 5520 float32_t y0, y1; /* Nearest output values */
AnnaBridge 156:ff21514d8981 5521 float32_t xSpacing = S->xSpacing; /* spacing between input values */
AnnaBridge 156:ff21514d8981 5522 int32_t i; /* Index variable */
AnnaBridge 156:ff21514d8981 5523 float32_t *pYData = S->pYData; /* pointer to output table */
AnnaBridge 156:ff21514d8981 5524
AnnaBridge 156:ff21514d8981 5525 /* Calculation of index */
AnnaBridge 156:ff21514d8981 5526 i = (int32_t) ((x - S->x1) / xSpacing);
AnnaBridge 156:ff21514d8981 5527
AnnaBridge 156:ff21514d8981 5528 if (i < 0)
AnnaBridge 156:ff21514d8981 5529 {
AnnaBridge 156:ff21514d8981 5530 /* Iniatilize output for below specified range as least output value of table */
AnnaBridge 156:ff21514d8981 5531 y = pYData[0];
AnnaBridge 156:ff21514d8981 5532 }
AnnaBridge 156:ff21514d8981 5533 else if ((uint32_t)i >= S->nValues)
AnnaBridge 156:ff21514d8981 5534 {
AnnaBridge 156:ff21514d8981 5535 /* Iniatilize output for above specified range as last output value of table */
AnnaBridge 156:ff21514d8981 5536 y = pYData[S->nValues - 1];
AnnaBridge 156:ff21514d8981 5537 }
AnnaBridge 156:ff21514d8981 5538 else
AnnaBridge 156:ff21514d8981 5539 {
AnnaBridge 156:ff21514d8981 5540 /* Calculation of nearest input values */
AnnaBridge 156:ff21514d8981 5541 x0 = S->x1 + i * xSpacing;
AnnaBridge 156:ff21514d8981 5542 x1 = S->x1 + (i + 1) * xSpacing;
AnnaBridge 156:ff21514d8981 5543
AnnaBridge 156:ff21514d8981 5544 /* Read of nearest output values */
AnnaBridge 156:ff21514d8981 5545 y0 = pYData[i];
AnnaBridge 156:ff21514d8981 5546 y1 = pYData[i + 1];
AnnaBridge 156:ff21514d8981 5547
AnnaBridge 156:ff21514d8981 5548 /* Calculation of output */
AnnaBridge 156:ff21514d8981 5549 y = y0 + (x - x0) * ((y1 - y0) / (x1 - x0));
AnnaBridge 156:ff21514d8981 5550
AnnaBridge 156:ff21514d8981 5551 }
AnnaBridge 156:ff21514d8981 5552
AnnaBridge 156:ff21514d8981 5553 /* returns output value */
AnnaBridge 156:ff21514d8981 5554 return (y);
AnnaBridge 156:ff21514d8981 5555 }
AnnaBridge 156:ff21514d8981 5556
AnnaBridge 156:ff21514d8981 5557
AnnaBridge 156:ff21514d8981 5558 /**
AnnaBridge 156:ff21514d8981 5559 *
AnnaBridge 156:ff21514d8981 5560 * @brief Process function for the Q31 Linear Interpolation Function.
AnnaBridge 156:ff21514d8981 5561 * @param[in] pYData pointer to Q31 Linear Interpolation table
AnnaBridge 156:ff21514d8981 5562 * @param[in] x input sample to process
AnnaBridge 156:ff21514d8981 5563 * @param[in] nValues number of table values
AnnaBridge 156:ff21514d8981 5564 * @return y processed output sample.
AnnaBridge 156:ff21514d8981 5565 *
AnnaBridge 156:ff21514d8981 5566 * \par
AnnaBridge 156:ff21514d8981 5567 * Input sample <code>x</code> is in 12.20 format which contains 12 bits for table index and 20 bits for fractional part.
AnnaBridge 156:ff21514d8981 5568 * This function can support maximum of table size 2^12.
AnnaBridge 156:ff21514d8981 5569 *
AnnaBridge 156:ff21514d8981 5570 */
AnnaBridge 156:ff21514d8981 5571 CMSIS_INLINE __STATIC_INLINE q31_t arm_linear_interp_q31(
AnnaBridge 156:ff21514d8981 5572 q31_t * pYData,
AnnaBridge 156:ff21514d8981 5573 q31_t x,
AnnaBridge 156:ff21514d8981 5574 uint32_t nValues)
AnnaBridge 156:ff21514d8981 5575 {
AnnaBridge 156:ff21514d8981 5576 q31_t y; /* output */
AnnaBridge 156:ff21514d8981 5577 q31_t y0, y1; /* Nearest output values */
AnnaBridge 156:ff21514d8981 5578 q31_t fract; /* fractional part */
AnnaBridge 156:ff21514d8981 5579 int32_t index; /* Index to read nearest output values */
AnnaBridge 156:ff21514d8981 5580
AnnaBridge 156:ff21514d8981 5581 /* Input is in 12.20 format */
AnnaBridge 156:ff21514d8981 5582 /* 12 bits for the table index */
AnnaBridge 156:ff21514d8981 5583 /* Index value calculation */
AnnaBridge 156:ff21514d8981 5584 index = ((x & (q31_t)0xFFF00000) >> 20);
AnnaBridge 156:ff21514d8981 5585
AnnaBridge 156:ff21514d8981 5586 if (index >= (int32_t)(nValues - 1))
AnnaBridge 156:ff21514d8981 5587 {
AnnaBridge 156:ff21514d8981 5588 return (pYData[nValues - 1]);
AnnaBridge 156:ff21514d8981 5589 }
AnnaBridge 156:ff21514d8981 5590 else if (index < 0)
AnnaBridge 156:ff21514d8981 5591 {
AnnaBridge 156:ff21514d8981 5592 return (pYData[0]);
AnnaBridge 156:ff21514d8981 5593 }
AnnaBridge 156:ff21514d8981 5594 else
AnnaBridge 156:ff21514d8981 5595 {
AnnaBridge 156:ff21514d8981 5596 /* 20 bits for the fractional part */
AnnaBridge 156:ff21514d8981 5597 /* shift left by 11 to keep fract in 1.31 format */
AnnaBridge 156:ff21514d8981 5598 fract = (x & 0x000FFFFF) << 11;
AnnaBridge 156:ff21514d8981 5599
AnnaBridge 156:ff21514d8981 5600 /* Read two nearest output values from the index in 1.31(q31) format */
AnnaBridge 156:ff21514d8981 5601 y0 = pYData[index];
AnnaBridge 156:ff21514d8981 5602 y1 = pYData[index + 1];
AnnaBridge 156:ff21514d8981 5603
AnnaBridge 156:ff21514d8981 5604 /* Calculation of y0 * (1-fract) and y is in 2.30 format */
AnnaBridge 156:ff21514d8981 5605 y = ((q31_t) ((q63_t) y0 * (0x7FFFFFFF - fract) >> 32));
AnnaBridge 156:ff21514d8981 5606
AnnaBridge 156:ff21514d8981 5607 /* Calculation of y0 * (1-fract) + y1 *fract and y is in 2.30 format */
AnnaBridge 156:ff21514d8981 5608 y += ((q31_t) (((q63_t) y1 * fract) >> 32));
AnnaBridge 156:ff21514d8981 5609
AnnaBridge 156:ff21514d8981 5610 /* Convert y to 1.31 format */
AnnaBridge 156:ff21514d8981 5611 return (y << 1u);
AnnaBridge 156:ff21514d8981 5612 }
AnnaBridge 156:ff21514d8981 5613 }
AnnaBridge 156:ff21514d8981 5614
AnnaBridge 156:ff21514d8981 5615
AnnaBridge 156:ff21514d8981 5616 /**
AnnaBridge 156:ff21514d8981 5617 *
AnnaBridge 156:ff21514d8981 5618 * @brief Process function for the Q15 Linear Interpolation Function.
AnnaBridge 156:ff21514d8981 5619 * @param[in] pYData pointer to Q15 Linear Interpolation table
AnnaBridge 156:ff21514d8981 5620 * @param[in] x input sample to process
AnnaBridge 156:ff21514d8981 5621 * @param[in] nValues number of table values
AnnaBridge 156:ff21514d8981 5622 * @return y processed output sample.
AnnaBridge 156:ff21514d8981 5623 *
AnnaBridge 156:ff21514d8981 5624 * \par
AnnaBridge 156:ff21514d8981 5625 * Input sample <code>x</code> is in 12.20 format which contains 12 bits for table index and 20 bits for fractional part.
AnnaBridge 156:ff21514d8981 5626 * This function can support maximum of table size 2^12.
AnnaBridge 156:ff21514d8981 5627 *
AnnaBridge 156:ff21514d8981 5628 */
AnnaBridge 156:ff21514d8981 5629 CMSIS_INLINE __STATIC_INLINE q15_t arm_linear_interp_q15(
AnnaBridge 156:ff21514d8981 5630 q15_t * pYData,
AnnaBridge 156:ff21514d8981 5631 q31_t x,
AnnaBridge 156:ff21514d8981 5632 uint32_t nValues)
AnnaBridge 156:ff21514d8981 5633 {
AnnaBridge 156:ff21514d8981 5634 q63_t y; /* output */
AnnaBridge 156:ff21514d8981 5635 q15_t y0, y1; /* Nearest output values */
AnnaBridge 156:ff21514d8981 5636 q31_t fract; /* fractional part */
AnnaBridge 156:ff21514d8981 5637 int32_t index; /* Index to read nearest output values */
AnnaBridge 156:ff21514d8981 5638
AnnaBridge 156:ff21514d8981 5639 /* Input is in 12.20 format */
AnnaBridge 156:ff21514d8981 5640 /* 12 bits for the table index */
AnnaBridge 156:ff21514d8981 5641 /* Index value calculation */
AnnaBridge 156:ff21514d8981 5642 index = ((x & (int32_t)0xFFF00000) >> 20);
AnnaBridge 156:ff21514d8981 5643
AnnaBridge 156:ff21514d8981 5644 if (index >= (int32_t)(nValues - 1))
AnnaBridge 156:ff21514d8981 5645 {
AnnaBridge 156:ff21514d8981 5646 return (pYData[nValues - 1]);
AnnaBridge 156:ff21514d8981 5647 }
AnnaBridge 156:ff21514d8981 5648 else if (index < 0)
AnnaBridge 156:ff21514d8981 5649 {
AnnaBridge 156:ff21514d8981 5650 return (pYData[0]);
AnnaBridge 156:ff21514d8981 5651 }
AnnaBridge 156:ff21514d8981 5652 else
AnnaBridge 156:ff21514d8981 5653 {
AnnaBridge 156:ff21514d8981 5654 /* 20 bits for the fractional part */
AnnaBridge 156:ff21514d8981 5655 /* fract is in 12.20 format */
AnnaBridge 156:ff21514d8981 5656 fract = (x & 0x000FFFFF);
AnnaBridge 156:ff21514d8981 5657
AnnaBridge 156:ff21514d8981 5658 /* Read two nearest output values from the index */
AnnaBridge 156:ff21514d8981 5659 y0 = pYData[index];
AnnaBridge 156:ff21514d8981 5660 y1 = pYData[index + 1];
AnnaBridge 156:ff21514d8981 5661
AnnaBridge 156:ff21514d8981 5662 /* Calculation of y0 * (1-fract) and y is in 13.35 format */
AnnaBridge 156:ff21514d8981 5663 y = ((q63_t) y0 * (0xFFFFF - fract));
AnnaBridge 156:ff21514d8981 5664
AnnaBridge 156:ff21514d8981 5665 /* Calculation of (y0 * (1-fract) + y1 * fract) and y is in 13.35 format */
AnnaBridge 156:ff21514d8981 5666 y += ((q63_t) y1 * (fract));
AnnaBridge 156:ff21514d8981 5667
AnnaBridge 156:ff21514d8981 5668 /* convert y to 1.15 format */
AnnaBridge 156:ff21514d8981 5669 return (q15_t) (y >> 20);
AnnaBridge 156:ff21514d8981 5670 }
AnnaBridge 156:ff21514d8981 5671 }
AnnaBridge 156:ff21514d8981 5672
AnnaBridge 156:ff21514d8981 5673
AnnaBridge 156:ff21514d8981 5674 /**
AnnaBridge 156:ff21514d8981 5675 *
AnnaBridge 156:ff21514d8981 5676 * @brief Process function for the Q7 Linear Interpolation Function.
AnnaBridge 156:ff21514d8981 5677 * @param[in] pYData pointer to Q7 Linear Interpolation table
AnnaBridge 156:ff21514d8981 5678 * @param[in] x input sample to process
AnnaBridge 156:ff21514d8981 5679 * @param[in] nValues number of table values
AnnaBridge 156:ff21514d8981 5680 * @return y processed output sample.
AnnaBridge 156:ff21514d8981 5681 *
AnnaBridge 156:ff21514d8981 5682 * \par
AnnaBridge 156:ff21514d8981 5683 * Input sample <code>x</code> is in 12.20 format which contains 12 bits for table index and 20 bits for fractional part.
AnnaBridge 156:ff21514d8981 5684 * This function can support maximum of table size 2^12.
AnnaBridge 156:ff21514d8981 5685 */
AnnaBridge 156:ff21514d8981 5686 CMSIS_INLINE __STATIC_INLINE q7_t arm_linear_interp_q7(
AnnaBridge 156:ff21514d8981 5687 q7_t * pYData,
AnnaBridge 156:ff21514d8981 5688 q31_t x,
AnnaBridge 156:ff21514d8981 5689 uint32_t nValues)
AnnaBridge 156:ff21514d8981 5690 {
AnnaBridge 156:ff21514d8981 5691 q31_t y; /* output */
AnnaBridge 156:ff21514d8981 5692 q7_t y0, y1; /* Nearest output values */
AnnaBridge 156:ff21514d8981 5693 q31_t fract; /* fractional part */
AnnaBridge 156:ff21514d8981 5694 uint32_t index; /* Index to read nearest output values */
AnnaBridge 156:ff21514d8981 5695
AnnaBridge 156:ff21514d8981 5696 /* Input is in 12.20 format */
AnnaBridge 156:ff21514d8981 5697 /* 12 bits for the table index */
AnnaBridge 156:ff21514d8981 5698 /* Index value calculation */
AnnaBridge 156:ff21514d8981 5699 if (x < 0)
AnnaBridge 156:ff21514d8981 5700 {
AnnaBridge 156:ff21514d8981 5701 return (pYData[0]);
AnnaBridge 156:ff21514d8981 5702 }
AnnaBridge 156:ff21514d8981 5703 index = (x >> 20) & 0xfff;
AnnaBridge 156:ff21514d8981 5704
AnnaBridge 156:ff21514d8981 5705 if (index >= (nValues - 1))
AnnaBridge 156:ff21514d8981 5706 {
AnnaBridge 156:ff21514d8981 5707 return (pYData[nValues - 1]);
AnnaBridge 156:ff21514d8981 5708 }
AnnaBridge 156:ff21514d8981 5709 else
AnnaBridge 156:ff21514d8981 5710 {
AnnaBridge 156:ff21514d8981 5711 /* 20 bits for the fractional part */
AnnaBridge 156:ff21514d8981 5712 /* fract is in 12.20 format */
AnnaBridge 156:ff21514d8981 5713 fract = (x & 0x000FFFFF);
AnnaBridge 156:ff21514d8981 5714
AnnaBridge 156:ff21514d8981 5715 /* Read two nearest output values from the index and are in 1.7(q7) format */
AnnaBridge 156:ff21514d8981 5716 y0 = pYData[index];
AnnaBridge 156:ff21514d8981 5717 y1 = pYData[index + 1];
AnnaBridge 156:ff21514d8981 5718
AnnaBridge 156:ff21514d8981 5719 /* Calculation of y0 * (1-fract ) and y is in 13.27(q27) format */
AnnaBridge 156:ff21514d8981 5720 y = ((y0 * (0xFFFFF - fract)));
AnnaBridge 156:ff21514d8981 5721
AnnaBridge 156:ff21514d8981 5722 /* Calculation of y1 * fract + y0 * (1-fract) and y is in 13.27(q27) format */
AnnaBridge 156:ff21514d8981 5723 y += (y1 * fract);
AnnaBridge 156:ff21514d8981 5724
AnnaBridge 156:ff21514d8981 5725 /* convert y to 1.7(q7) format */
AnnaBridge 156:ff21514d8981 5726 return (q7_t) (y >> 20);
AnnaBridge 156:ff21514d8981 5727 }
AnnaBridge 156:ff21514d8981 5728 }
AnnaBridge 156:ff21514d8981 5729
AnnaBridge 156:ff21514d8981 5730 /**
AnnaBridge 156:ff21514d8981 5731 * @} end of LinearInterpolate group
AnnaBridge 156:ff21514d8981 5732 */
AnnaBridge 156:ff21514d8981 5733
AnnaBridge 156:ff21514d8981 5734 /**
AnnaBridge 156:ff21514d8981 5735 * @brief Fast approximation to the trigonometric sine function for floating-point data.
AnnaBridge 156:ff21514d8981 5736 * @param[in] x input value in radians.
AnnaBridge 156:ff21514d8981 5737 * @return sin(x).
AnnaBridge 156:ff21514d8981 5738 */
AnnaBridge 156:ff21514d8981 5739 float32_t arm_sin_f32(
AnnaBridge 156:ff21514d8981 5740 float32_t x);
AnnaBridge 156:ff21514d8981 5741
AnnaBridge 156:ff21514d8981 5742
AnnaBridge 156:ff21514d8981 5743 /**
AnnaBridge 156:ff21514d8981 5744 * @brief Fast approximation to the trigonometric sine function for Q31 data.
AnnaBridge 156:ff21514d8981 5745 * @param[in] x Scaled input value in radians.
AnnaBridge 156:ff21514d8981 5746 * @return sin(x).
AnnaBridge 156:ff21514d8981 5747 */
AnnaBridge 156:ff21514d8981 5748 q31_t arm_sin_q31(
AnnaBridge 156:ff21514d8981 5749 q31_t x);
AnnaBridge 156:ff21514d8981 5750
AnnaBridge 156:ff21514d8981 5751
AnnaBridge 156:ff21514d8981 5752 /**
AnnaBridge 156:ff21514d8981 5753 * @brief Fast approximation to the trigonometric sine function for Q15 data.
AnnaBridge 156:ff21514d8981 5754 * @param[in] x Scaled input value in radians.
AnnaBridge 156:ff21514d8981 5755 * @return sin(x).
AnnaBridge 156:ff21514d8981 5756 */
AnnaBridge 156:ff21514d8981 5757 q15_t arm_sin_q15(
AnnaBridge 156:ff21514d8981 5758 q15_t x);
AnnaBridge 156:ff21514d8981 5759
AnnaBridge 156:ff21514d8981 5760
AnnaBridge 156:ff21514d8981 5761 /**
AnnaBridge 156:ff21514d8981 5762 * @brief Fast approximation to the trigonometric cosine function for floating-point data.
AnnaBridge 156:ff21514d8981 5763 * @param[in] x input value in radians.
AnnaBridge 156:ff21514d8981 5764 * @return cos(x).
AnnaBridge 156:ff21514d8981 5765 */
AnnaBridge 156:ff21514d8981 5766 float32_t arm_cos_f32(
AnnaBridge 156:ff21514d8981 5767 float32_t x);
AnnaBridge 156:ff21514d8981 5768
AnnaBridge 156:ff21514d8981 5769
AnnaBridge 156:ff21514d8981 5770 /**
AnnaBridge 156:ff21514d8981 5771 * @brief Fast approximation to the trigonometric cosine function for Q31 data.
AnnaBridge 156:ff21514d8981 5772 * @param[in] x Scaled input value in radians.
AnnaBridge 156:ff21514d8981 5773 * @return cos(x).
AnnaBridge 156:ff21514d8981 5774 */
AnnaBridge 156:ff21514d8981 5775 q31_t arm_cos_q31(
AnnaBridge 156:ff21514d8981 5776 q31_t x);
AnnaBridge 156:ff21514d8981 5777
AnnaBridge 156:ff21514d8981 5778
AnnaBridge 156:ff21514d8981 5779 /**
AnnaBridge 156:ff21514d8981 5780 * @brief Fast approximation to the trigonometric cosine function for Q15 data.
AnnaBridge 156:ff21514d8981 5781 * @param[in] x Scaled input value in radians.
AnnaBridge 156:ff21514d8981 5782 * @return cos(x).
AnnaBridge 156:ff21514d8981 5783 */
AnnaBridge 156:ff21514d8981 5784 q15_t arm_cos_q15(
AnnaBridge 156:ff21514d8981 5785 q15_t x);
AnnaBridge 156:ff21514d8981 5786
AnnaBridge 156:ff21514d8981 5787
AnnaBridge 156:ff21514d8981 5788 /**
AnnaBridge 156:ff21514d8981 5789 * @ingroup groupFastMath
AnnaBridge 156:ff21514d8981 5790 */
AnnaBridge 156:ff21514d8981 5791
AnnaBridge 156:ff21514d8981 5792
AnnaBridge 156:ff21514d8981 5793 /**
AnnaBridge 156:ff21514d8981 5794 * @defgroup SQRT Square Root
AnnaBridge 156:ff21514d8981 5795 *
AnnaBridge 156:ff21514d8981 5796 * Computes the square root of a number.
AnnaBridge 156:ff21514d8981 5797 * There are separate functions for Q15, Q31, and floating-point data types.
AnnaBridge 156:ff21514d8981 5798 * The square root function is computed using the Newton-Raphson algorithm.
AnnaBridge 156:ff21514d8981 5799 * This is an iterative algorithm of the form:
AnnaBridge 156:ff21514d8981 5800 * <pre>
AnnaBridge 156:ff21514d8981 5801 * x1 = x0 - f(x0)/f'(x0)
AnnaBridge 156:ff21514d8981 5802 * </pre>
AnnaBridge 156:ff21514d8981 5803 * where <code>x1</code> is the current estimate,
AnnaBridge 156:ff21514d8981 5804 * <code>x0</code> is the previous estimate, and
AnnaBridge 156:ff21514d8981 5805 * <code>f'(x0)</code> is the derivative of <code>f()</code> evaluated at <code>x0</code>.
AnnaBridge 156:ff21514d8981 5806 * For the square root function, the algorithm reduces to:
AnnaBridge 156:ff21514d8981 5807 * <pre>
AnnaBridge 156:ff21514d8981 5808 * x0 = in/2 [initial guess]
AnnaBridge 156:ff21514d8981 5809 * x1 = 1/2 * ( x0 + in / x0) [each iteration]
AnnaBridge 156:ff21514d8981 5810 * </pre>
AnnaBridge 156:ff21514d8981 5811 */
AnnaBridge 156:ff21514d8981 5812
AnnaBridge 156:ff21514d8981 5813
AnnaBridge 156:ff21514d8981 5814 /**
AnnaBridge 156:ff21514d8981 5815 * @addtogroup SQRT
AnnaBridge 156:ff21514d8981 5816 * @{
AnnaBridge 156:ff21514d8981 5817 */
AnnaBridge 156:ff21514d8981 5818
AnnaBridge 156:ff21514d8981 5819 /**
AnnaBridge 156:ff21514d8981 5820 * @brief Floating-point square root function.
AnnaBridge 156:ff21514d8981 5821 * @param[in] in input value.
AnnaBridge 156:ff21514d8981 5822 * @param[out] pOut square root of input value.
AnnaBridge 156:ff21514d8981 5823 * @return The function returns ARM_MATH_SUCCESS if input value is positive value or ARM_MATH_ARGUMENT_ERROR if
AnnaBridge 156:ff21514d8981 5824 * <code>in</code> is negative value and returns zero output for negative values.
AnnaBridge 156:ff21514d8981 5825 */
AnnaBridge 156:ff21514d8981 5826 CMSIS_INLINE __STATIC_INLINE arm_status arm_sqrt_f32(
AnnaBridge 156:ff21514d8981 5827 float32_t in,
AnnaBridge 156:ff21514d8981 5828 float32_t * pOut)
AnnaBridge 156:ff21514d8981 5829 {
AnnaBridge 156:ff21514d8981 5830 if (in >= 0.0f)
AnnaBridge 156:ff21514d8981 5831 {
AnnaBridge 156:ff21514d8981 5832
AnnaBridge 156:ff21514d8981 5833 #if (__FPU_USED == 1) && defined ( __CC_ARM )
AnnaBridge 156:ff21514d8981 5834 *pOut = __sqrtf(in);
AnnaBridge 156:ff21514d8981 5835 #elif (__FPU_USED == 1) && (defined(__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050))
AnnaBridge 156:ff21514d8981 5836 *pOut = __builtin_sqrtf(in);
AnnaBridge 156:ff21514d8981 5837 #elif (__FPU_USED == 1) && defined(__GNUC__)
AnnaBridge 156:ff21514d8981 5838 *pOut = __builtin_sqrtf(in);
AnnaBridge 156:ff21514d8981 5839 #elif (__FPU_USED == 1) && defined ( __ICCARM__ ) && (__VER__ >= 6040000)
AnnaBridge 156:ff21514d8981 5840 __ASM("VSQRT.F32 %0,%1" : "=t"(*pOut) : "t"(in));
AnnaBridge 156:ff21514d8981 5841 #else
AnnaBridge 156:ff21514d8981 5842 *pOut = sqrtf(in);
AnnaBridge 156:ff21514d8981 5843 #endif
AnnaBridge 156:ff21514d8981 5844
AnnaBridge 156:ff21514d8981 5845 return (ARM_MATH_SUCCESS);
AnnaBridge 156:ff21514d8981 5846 }
AnnaBridge 156:ff21514d8981 5847 else
AnnaBridge 156:ff21514d8981 5848 {
AnnaBridge 156:ff21514d8981 5849 *pOut = 0.0f;
AnnaBridge 156:ff21514d8981 5850 return (ARM_MATH_ARGUMENT_ERROR);
AnnaBridge 156:ff21514d8981 5851 }
AnnaBridge 156:ff21514d8981 5852 }
AnnaBridge 156:ff21514d8981 5853
AnnaBridge 156:ff21514d8981 5854
AnnaBridge 156:ff21514d8981 5855 /**
AnnaBridge 156:ff21514d8981 5856 * @brief Q31 square root function.
AnnaBridge 156:ff21514d8981 5857 * @param[in] in input value. The range of the input value is [0 +1) or 0x00000000 to 0x7FFFFFFF.
AnnaBridge 156:ff21514d8981 5858 * @param[out] pOut square root of input value.
AnnaBridge 156:ff21514d8981 5859 * @return The function returns ARM_MATH_SUCCESS if input value is positive value or ARM_MATH_ARGUMENT_ERROR if
AnnaBridge 156:ff21514d8981 5860 * <code>in</code> is negative value and returns zero output for negative values.
AnnaBridge 156:ff21514d8981 5861 */
AnnaBridge 156:ff21514d8981 5862 arm_status arm_sqrt_q31(
AnnaBridge 156:ff21514d8981 5863 q31_t in,
AnnaBridge 156:ff21514d8981 5864 q31_t * pOut);
AnnaBridge 156:ff21514d8981 5865
AnnaBridge 156:ff21514d8981 5866
AnnaBridge 156:ff21514d8981 5867 /**
AnnaBridge 156:ff21514d8981 5868 * @brief Q15 square root function.
AnnaBridge 156:ff21514d8981 5869 * @param[in] in input value. The range of the input value is [0 +1) or 0x0000 to 0x7FFF.
AnnaBridge 156:ff21514d8981 5870 * @param[out] pOut square root of input value.
AnnaBridge 156:ff21514d8981 5871 * @return The function returns ARM_MATH_SUCCESS if input value is positive value or ARM_MATH_ARGUMENT_ERROR if
AnnaBridge 156:ff21514d8981 5872 * <code>in</code> is negative value and returns zero output for negative values.
AnnaBridge 156:ff21514d8981 5873 */
AnnaBridge 156:ff21514d8981 5874 arm_status arm_sqrt_q15(
AnnaBridge 156:ff21514d8981 5875 q15_t in,
AnnaBridge 156:ff21514d8981 5876 q15_t * pOut);
AnnaBridge 156:ff21514d8981 5877
AnnaBridge 156:ff21514d8981 5878 /**
AnnaBridge 156:ff21514d8981 5879 * @} end of SQRT group
AnnaBridge 156:ff21514d8981 5880 */
AnnaBridge 156:ff21514d8981 5881
AnnaBridge 156:ff21514d8981 5882
AnnaBridge 156:ff21514d8981 5883 /**
AnnaBridge 156:ff21514d8981 5884 * @brief floating-point Circular write function.
AnnaBridge 156:ff21514d8981 5885 */
AnnaBridge 156:ff21514d8981 5886 CMSIS_INLINE __STATIC_INLINE void arm_circularWrite_f32(
AnnaBridge 156:ff21514d8981 5887 int32_t * circBuffer,
AnnaBridge 156:ff21514d8981 5888 int32_t L,
AnnaBridge 156:ff21514d8981 5889 uint16_t * writeOffset,
AnnaBridge 156:ff21514d8981 5890 int32_t bufferInc,
AnnaBridge 156:ff21514d8981 5891 const int32_t * src,
AnnaBridge 156:ff21514d8981 5892 int32_t srcInc,
AnnaBridge 156:ff21514d8981 5893 uint32_t blockSize)
AnnaBridge 156:ff21514d8981 5894 {
AnnaBridge 156:ff21514d8981 5895 uint32_t i = 0u;
AnnaBridge 156:ff21514d8981 5896 int32_t wOffset;
AnnaBridge 156:ff21514d8981 5897
AnnaBridge 156:ff21514d8981 5898 /* Copy the value of Index pointer that points
AnnaBridge 156:ff21514d8981 5899 * to the current location where the input samples to be copied */
AnnaBridge 156:ff21514d8981 5900 wOffset = *writeOffset;
AnnaBridge 156:ff21514d8981 5901
AnnaBridge 156:ff21514d8981 5902 /* Loop over the blockSize */
AnnaBridge 156:ff21514d8981 5903 i = blockSize;
AnnaBridge 156:ff21514d8981 5904
AnnaBridge 156:ff21514d8981 5905 while (i > 0u)
AnnaBridge 156:ff21514d8981 5906 {
AnnaBridge 156:ff21514d8981 5907 /* copy the input sample to the circular buffer */
AnnaBridge 156:ff21514d8981 5908 circBuffer[wOffset] = *src;
AnnaBridge 156:ff21514d8981 5909
AnnaBridge 156:ff21514d8981 5910 /* Update the input pointer */
AnnaBridge 156:ff21514d8981 5911 src += srcInc;
AnnaBridge 156:ff21514d8981 5912
AnnaBridge 156:ff21514d8981 5913 /* Circularly update wOffset. Watch out for positive and negative value */
AnnaBridge 156:ff21514d8981 5914 wOffset += bufferInc;
AnnaBridge 156:ff21514d8981 5915 if (wOffset >= L)
AnnaBridge 156:ff21514d8981 5916 wOffset -= L;
AnnaBridge 156:ff21514d8981 5917
AnnaBridge 156:ff21514d8981 5918 /* Decrement the loop counter */
AnnaBridge 156:ff21514d8981 5919 i--;
AnnaBridge 156:ff21514d8981 5920 }
AnnaBridge 156:ff21514d8981 5921
AnnaBridge 156:ff21514d8981 5922 /* Update the index pointer */
AnnaBridge 156:ff21514d8981 5923 *writeOffset = (uint16_t)wOffset;
AnnaBridge 156:ff21514d8981 5924 }
AnnaBridge 156:ff21514d8981 5925
AnnaBridge 156:ff21514d8981 5926
AnnaBridge 156:ff21514d8981 5927
AnnaBridge 156:ff21514d8981 5928 /**
AnnaBridge 156:ff21514d8981 5929 * @brief floating-point Circular Read function.
AnnaBridge 156:ff21514d8981 5930 */
AnnaBridge 156:ff21514d8981 5931 CMSIS_INLINE __STATIC_INLINE void arm_circularRead_f32(
AnnaBridge 156:ff21514d8981 5932 int32_t * circBuffer,
AnnaBridge 156:ff21514d8981 5933 int32_t L,
AnnaBridge 156:ff21514d8981 5934 int32_t * readOffset,
AnnaBridge 156:ff21514d8981 5935 int32_t bufferInc,
AnnaBridge 156:ff21514d8981 5936 int32_t * dst,
AnnaBridge 156:ff21514d8981 5937 int32_t * dst_base,
AnnaBridge 156:ff21514d8981 5938 int32_t dst_length,
AnnaBridge 156:ff21514d8981 5939 int32_t dstInc,
AnnaBridge 156:ff21514d8981 5940 uint32_t blockSize)
AnnaBridge 156:ff21514d8981 5941 {
AnnaBridge 156:ff21514d8981 5942 uint32_t i = 0u;
AnnaBridge 156:ff21514d8981 5943 int32_t rOffset, dst_end;
AnnaBridge 156:ff21514d8981 5944
AnnaBridge 156:ff21514d8981 5945 /* Copy the value of Index pointer that points
AnnaBridge 156:ff21514d8981 5946 * to the current location from where the input samples to be read */
AnnaBridge 156:ff21514d8981 5947 rOffset = *readOffset;
AnnaBridge 156:ff21514d8981 5948 dst_end = (int32_t) (dst_base + dst_length);
AnnaBridge 156:ff21514d8981 5949
AnnaBridge 156:ff21514d8981 5950 /* Loop over the blockSize */
AnnaBridge 156:ff21514d8981 5951 i = blockSize;
AnnaBridge 156:ff21514d8981 5952
AnnaBridge 156:ff21514d8981 5953 while (i > 0u)
AnnaBridge 156:ff21514d8981 5954 {
AnnaBridge 156:ff21514d8981 5955 /* copy the sample from the circular buffer to the destination buffer */
AnnaBridge 156:ff21514d8981 5956 *dst = circBuffer[rOffset];
AnnaBridge 156:ff21514d8981 5957
AnnaBridge 156:ff21514d8981 5958 /* Update the input pointer */
AnnaBridge 156:ff21514d8981 5959 dst += dstInc;
AnnaBridge 156:ff21514d8981 5960
AnnaBridge 156:ff21514d8981 5961 if (dst == (int32_t *) dst_end)
AnnaBridge 156:ff21514d8981 5962 {
AnnaBridge 156:ff21514d8981 5963 dst = dst_base;
AnnaBridge 156:ff21514d8981 5964 }
AnnaBridge 156:ff21514d8981 5965
AnnaBridge 156:ff21514d8981 5966 /* Circularly update rOffset. Watch out for positive and negative value */
AnnaBridge 156:ff21514d8981 5967 rOffset += bufferInc;
AnnaBridge 156:ff21514d8981 5968
AnnaBridge 156:ff21514d8981 5969 if (rOffset >= L)
AnnaBridge 156:ff21514d8981 5970 {
AnnaBridge 156:ff21514d8981 5971 rOffset -= L;
AnnaBridge 156:ff21514d8981 5972 }
AnnaBridge 156:ff21514d8981 5973
AnnaBridge 156:ff21514d8981 5974 /* Decrement the loop counter */
AnnaBridge 156:ff21514d8981 5975 i--;
AnnaBridge 156:ff21514d8981 5976 }
AnnaBridge 156:ff21514d8981 5977
AnnaBridge 156:ff21514d8981 5978 /* Update the index pointer */
AnnaBridge 156:ff21514d8981 5979 *readOffset = rOffset;
AnnaBridge 156:ff21514d8981 5980 }
AnnaBridge 156:ff21514d8981 5981
AnnaBridge 156:ff21514d8981 5982
AnnaBridge 156:ff21514d8981 5983 /**
AnnaBridge 156:ff21514d8981 5984 * @brief Q15 Circular write function.
AnnaBridge 156:ff21514d8981 5985 */
AnnaBridge 156:ff21514d8981 5986 CMSIS_INLINE __STATIC_INLINE void arm_circularWrite_q15(
AnnaBridge 156:ff21514d8981 5987 q15_t * circBuffer,
AnnaBridge 156:ff21514d8981 5988 int32_t L,
AnnaBridge 156:ff21514d8981 5989 uint16_t * writeOffset,
AnnaBridge 156:ff21514d8981 5990 int32_t bufferInc,
AnnaBridge 156:ff21514d8981 5991 const q15_t * src,
AnnaBridge 156:ff21514d8981 5992 int32_t srcInc,
AnnaBridge 156:ff21514d8981 5993 uint32_t blockSize)
AnnaBridge 156:ff21514d8981 5994 {
AnnaBridge 156:ff21514d8981 5995 uint32_t i = 0u;
AnnaBridge 156:ff21514d8981 5996 int32_t wOffset;
AnnaBridge 156:ff21514d8981 5997
AnnaBridge 156:ff21514d8981 5998 /* Copy the value of Index pointer that points
AnnaBridge 156:ff21514d8981 5999 * to the current location where the input samples to be copied */
AnnaBridge 156:ff21514d8981 6000 wOffset = *writeOffset;
AnnaBridge 156:ff21514d8981 6001
AnnaBridge 156:ff21514d8981 6002 /* Loop over the blockSize */
AnnaBridge 156:ff21514d8981 6003 i = blockSize;
AnnaBridge 156:ff21514d8981 6004
AnnaBridge 156:ff21514d8981 6005 while (i > 0u)
AnnaBridge 156:ff21514d8981 6006 {
AnnaBridge 156:ff21514d8981 6007 /* copy the input sample to the circular buffer */
AnnaBridge 156:ff21514d8981 6008 circBuffer[wOffset] = *src;
AnnaBridge 156:ff21514d8981 6009
AnnaBridge 156:ff21514d8981 6010 /* Update the input pointer */
AnnaBridge 156:ff21514d8981 6011 src += srcInc;
AnnaBridge 156:ff21514d8981 6012
AnnaBridge 156:ff21514d8981 6013 /* Circularly update wOffset. Watch out for positive and negative value */
AnnaBridge 156:ff21514d8981 6014 wOffset += bufferInc;
AnnaBridge 156:ff21514d8981 6015 if (wOffset >= L)
AnnaBridge 156:ff21514d8981 6016 wOffset -= L;
AnnaBridge 156:ff21514d8981 6017
AnnaBridge 156:ff21514d8981 6018 /* Decrement the loop counter */
AnnaBridge 156:ff21514d8981 6019 i--;
AnnaBridge 156:ff21514d8981 6020 }
AnnaBridge 156:ff21514d8981 6021
AnnaBridge 156:ff21514d8981 6022 /* Update the index pointer */
AnnaBridge 156:ff21514d8981 6023 *writeOffset = (uint16_t)wOffset;
AnnaBridge 156:ff21514d8981 6024 }
AnnaBridge 156:ff21514d8981 6025
AnnaBridge 156:ff21514d8981 6026
AnnaBridge 156:ff21514d8981 6027 /**
AnnaBridge 156:ff21514d8981 6028 * @brief Q15 Circular Read function.
AnnaBridge 156:ff21514d8981 6029 */
AnnaBridge 156:ff21514d8981 6030 CMSIS_INLINE __STATIC_INLINE void arm_circularRead_q15(
AnnaBridge 156:ff21514d8981 6031 q15_t * circBuffer,
AnnaBridge 156:ff21514d8981 6032 int32_t L,
AnnaBridge 156:ff21514d8981 6033 int32_t * readOffset,
AnnaBridge 156:ff21514d8981 6034 int32_t bufferInc,
AnnaBridge 156:ff21514d8981 6035 q15_t * dst,
AnnaBridge 156:ff21514d8981 6036 q15_t * dst_base,
AnnaBridge 156:ff21514d8981 6037 int32_t dst_length,
AnnaBridge 156:ff21514d8981 6038 int32_t dstInc,
AnnaBridge 156:ff21514d8981 6039 uint32_t blockSize)
AnnaBridge 156:ff21514d8981 6040 {
AnnaBridge 156:ff21514d8981 6041 uint32_t i = 0;
AnnaBridge 156:ff21514d8981 6042 int32_t rOffset, dst_end;
AnnaBridge 156:ff21514d8981 6043
AnnaBridge 156:ff21514d8981 6044 /* Copy the value of Index pointer that points
AnnaBridge 156:ff21514d8981 6045 * to the current location from where the input samples to be read */
AnnaBridge 156:ff21514d8981 6046 rOffset = *readOffset;
AnnaBridge 156:ff21514d8981 6047
AnnaBridge 156:ff21514d8981 6048 dst_end = (int32_t) (dst_base + dst_length);
AnnaBridge 156:ff21514d8981 6049
AnnaBridge 156:ff21514d8981 6050 /* Loop over the blockSize */
AnnaBridge 156:ff21514d8981 6051 i = blockSize;
AnnaBridge 156:ff21514d8981 6052
AnnaBridge 156:ff21514d8981 6053 while (i > 0u)
AnnaBridge 156:ff21514d8981 6054 {
AnnaBridge 156:ff21514d8981 6055 /* copy the sample from the circular buffer to the destination buffer */
AnnaBridge 156:ff21514d8981 6056 *dst = circBuffer[rOffset];
AnnaBridge 156:ff21514d8981 6057
AnnaBridge 156:ff21514d8981 6058 /* Update the input pointer */
AnnaBridge 156:ff21514d8981 6059 dst += dstInc;
AnnaBridge 156:ff21514d8981 6060
AnnaBridge 156:ff21514d8981 6061 if (dst == (q15_t *) dst_end)
AnnaBridge 156:ff21514d8981 6062 {
AnnaBridge 156:ff21514d8981 6063 dst = dst_base;
AnnaBridge 156:ff21514d8981 6064 }
AnnaBridge 156:ff21514d8981 6065
AnnaBridge 156:ff21514d8981 6066 /* Circularly update wOffset. Watch out for positive and negative value */
AnnaBridge 156:ff21514d8981 6067 rOffset += bufferInc;
AnnaBridge 156:ff21514d8981 6068
AnnaBridge 156:ff21514d8981 6069 if (rOffset >= L)
AnnaBridge 156:ff21514d8981 6070 {
AnnaBridge 156:ff21514d8981 6071 rOffset -= L;
AnnaBridge 156:ff21514d8981 6072 }
AnnaBridge 156:ff21514d8981 6073
AnnaBridge 156:ff21514d8981 6074 /* Decrement the loop counter */
AnnaBridge 156:ff21514d8981 6075 i--;
AnnaBridge 156:ff21514d8981 6076 }
AnnaBridge 156:ff21514d8981 6077
AnnaBridge 156:ff21514d8981 6078 /* Update the index pointer */
AnnaBridge 156:ff21514d8981 6079 *readOffset = rOffset;
AnnaBridge 156:ff21514d8981 6080 }
AnnaBridge 156:ff21514d8981 6081
AnnaBridge 156:ff21514d8981 6082
AnnaBridge 156:ff21514d8981 6083 /**
AnnaBridge 156:ff21514d8981 6084 * @brief Q7 Circular write function.
AnnaBridge 156:ff21514d8981 6085 */
AnnaBridge 156:ff21514d8981 6086 CMSIS_INLINE __STATIC_INLINE void arm_circularWrite_q7(
AnnaBridge 156:ff21514d8981 6087 q7_t * circBuffer,
AnnaBridge 156:ff21514d8981 6088 int32_t L,
AnnaBridge 156:ff21514d8981 6089 uint16_t * writeOffset,
AnnaBridge 156:ff21514d8981 6090 int32_t bufferInc,
AnnaBridge 156:ff21514d8981 6091 const q7_t * src,
AnnaBridge 156:ff21514d8981 6092 int32_t srcInc,
AnnaBridge 156:ff21514d8981 6093 uint32_t blockSize)
AnnaBridge 156:ff21514d8981 6094 {
AnnaBridge 156:ff21514d8981 6095 uint32_t i = 0u;
AnnaBridge 156:ff21514d8981 6096 int32_t wOffset;
AnnaBridge 156:ff21514d8981 6097
AnnaBridge 156:ff21514d8981 6098 /* Copy the value of Index pointer that points
AnnaBridge 156:ff21514d8981 6099 * to the current location where the input samples to be copied */
AnnaBridge 156:ff21514d8981 6100 wOffset = *writeOffset;
AnnaBridge 156:ff21514d8981 6101
AnnaBridge 156:ff21514d8981 6102 /* Loop over the blockSize */
AnnaBridge 156:ff21514d8981 6103 i = blockSize;
AnnaBridge 156:ff21514d8981 6104
AnnaBridge 156:ff21514d8981 6105 while (i > 0u)
AnnaBridge 156:ff21514d8981 6106 {
AnnaBridge 156:ff21514d8981 6107 /* copy the input sample to the circular buffer */
AnnaBridge 156:ff21514d8981 6108 circBuffer[wOffset] = *src;
AnnaBridge 156:ff21514d8981 6109
AnnaBridge 156:ff21514d8981 6110 /* Update the input pointer */
AnnaBridge 156:ff21514d8981 6111 src += srcInc;
AnnaBridge 156:ff21514d8981 6112
AnnaBridge 156:ff21514d8981 6113 /* Circularly update wOffset. Watch out for positive and negative value */
AnnaBridge 156:ff21514d8981 6114 wOffset += bufferInc;
AnnaBridge 156:ff21514d8981 6115 if (wOffset >= L)
AnnaBridge 156:ff21514d8981 6116 wOffset -= L;
AnnaBridge 156:ff21514d8981 6117
AnnaBridge 156:ff21514d8981 6118 /* Decrement the loop counter */
AnnaBridge 156:ff21514d8981 6119 i--;
AnnaBridge 156:ff21514d8981 6120 }
AnnaBridge 156:ff21514d8981 6121
AnnaBridge 156:ff21514d8981 6122 /* Update the index pointer */
AnnaBridge 156:ff21514d8981 6123 *writeOffset = (uint16_t)wOffset;
AnnaBridge 156:ff21514d8981 6124 }
AnnaBridge 156:ff21514d8981 6125
AnnaBridge 156:ff21514d8981 6126
AnnaBridge 156:ff21514d8981 6127 /**
AnnaBridge 156:ff21514d8981 6128 * @brief Q7 Circular Read function.
AnnaBridge 156:ff21514d8981 6129 */
AnnaBridge 156:ff21514d8981 6130 CMSIS_INLINE __STATIC_INLINE void arm_circularRead_q7(
AnnaBridge 156:ff21514d8981 6131 q7_t * circBuffer,
AnnaBridge 156:ff21514d8981 6132 int32_t L,
AnnaBridge 156:ff21514d8981 6133 int32_t * readOffset,
AnnaBridge 156:ff21514d8981 6134 int32_t bufferInc,
AnnaBridge 156:ff21514d8981 6135 q7_t * dst,
AnnaBridge 156:ff21514d8981 6136 q7_t * dst_base,
AnnaBridge 156:ff21514d8981 6137 int32_t dst_length,
AnnaBridge 156:ff21514d8981 6138 int32_t dstInc,
AnnaBridge 156:ff21514d8981 6139 uint32_t blockSize)
AnnaBridge 156:ff21514d8981 6140 {
AnnaBridge 156:ff21514d8981 6141 uint32_t i = 0;
AnnaBridge 156:ff21514d8981 6142 int32_t rOffset, dst_end;
AnnaBridge 156:ff21514d8981 6143
AnnaBridge 156:ff21514d8981 6144 /* Copy the value of Index pointer that points
AnnaBridge 156:ff21514d8981 6145 * to the current location from where the input samples to be read */
AnnaBridge 156:ff21514d8981 6146 rOffset = *readOffset;
AnnaBridge 156:ff21514d8981 6147
AnnaBridge 156:ff21514d8981 6148 dst_end = (int32_t) (dst_base + dst_length);
AnnaBridge 156:ff21514d8981 6149
AnnaBridge 156:ff21514d8981 6150 /* Loop over the blockSize */
AnnaBridge 156:ff21514d8981 6151 i = blockSize;
AnnaBridge 156:ff21514d8981 6152
AnnaBridge 156:ff21514d8981 6153 while (i > 0u)
AnnaBridge 156:ff21514d8981 6154 {
AnnaBridge 156:ff21514d8981 6155 /* copy the sample from the circular buffer to the destination buffer */
AnnaBridge 156:ff21514d8981 6156 *dst = circBuffer[rOffset];
AnnaBridge 156:ff21514d8981 6157
AnnaBridge 156:ff21514d8981 6158 /* Update the input pointer */
AnnaBridge 156:ff21514d8981 6159 dst += dstInc;
AnnaBridge 156:ff21514d8981 6160
AnnaBridge 156:ff21514d8981 6161 if (dst == (q7_t *) dst_end)
AnnaBridge 156:ff21514d8981 6162 {
AnnaBridge 156:ff21514d8981 6163 dst = dst_base;
AnnaBridge 156:ff21514d8981 6164 }
AnnaBridge 156:ff21514d8981 6165
AnnaBridge 156:ff21514d8981 6166 /* Circularly update rOffset. Watch out for positive and negative value */
AnnaBridge 156:ff21514d8981 6167 rOffset += bufferInc;
AnnaBridge 156:ff21514d8981 6168
AnnaBridge 156:ff21514d8981 6169 if (rOffset >= L)
AnnaBridge 156:ff21514d8981 6170 {
AnnaBridge 156:ff21514d8981 6171 rOffset -= L;
AnnaBridge 156:ff21514d8981 6172 }
AnnaBridge 156:ff21514d8981 6173
AnnaBridge 156:ff21514d8981 6174 /* Decrement the loop counter */
AnnaBridge 156:ff21514d8981 6175 i--;
AnnaBridge 156:ff21514d8981 6176 }
AnnaBridge 156:ff21514d8981 6177
AnnaBridge 156:ff21514d8981 6178 /* Update the index pointer */
AnnaBridge 156:ff21514d8981 6179 *readOffset = rOffset;
AnnaBridge 156:ff21514d8981 6180 }
AnnaBridge 156:ff21514d8981 6181
AnnaBridge 156:ff21514d8981 6182
AnnaBridge 156:ff21514d8981 6183 /**
AnnaBridge 156:ff21514d8981 6184 * @brief Sum of the squares of the elements of a Q31 vector.
AnnaBridge 156:ff21514d8981 6185 * @param[in] pSrc is input pointer
AnnaBridge 156:ff21514d8981 6186 * @param[in] blockSize is the number of samples to process
AnnaBridge 156:ff21514d8981 6187 * @param[out] pResult is output value.
AnnaBridge 156:ff21514d8981 6188 */
AnnaBridge 156:ff21514d8981 6189 void arm_power_q31(
AnnaBridge 156:ff21514d8981 6190 q31_t * pSrc,
AnnaBridge 156:ff21514d8981 6191 uint32_t blockSize,
AnnaBridge 156:ff21514d8981 6192 q63_t * pResult);
AnnaBridge 156:ff21514d8981 6193
AnnaBridge 156:ff21514d8981 6194
AnnaBridge 156:ff21514d8981 6195 /**
AnnaBridge 156:ff21514d8981 6196 * @brief Sum of the squares of the elements of a floating-point vector.
AnnaBridge 156:ff21514d8981 6197 * @param[in] pSrc is input pointer
AnnaBridge 156:ff21514d8981 6198 * @param[in] blockSize is the number of samples to process
AnnaBridge 156:ff21514d8981 6199 * @param[out] pResult is output value.
AnnaBridge 156:ff21514d8981 6200 */
AnnaBridge 156:ff21514d8981 6201 void arm_power_f32(
AnnaBridge 156:ff21514d8981 6202 float32_t * pSrc,
AnnaBridge 156:ff21514d8981 6203 uint32_t blockSize,
AnnaBridge 156:ff21514d8981 6204 float32_t * pResult);
AnnaBridge 156:ff21514d8981 6205
AnnaBridge 156:ff21514d8981 6206
AnnaBridge 156:ff21514d8981 6207 /**
AnnaBridge 156:ff21514d8981 6208 * @brief Sum of the squares of the elements of a Q15 vector.
AnnaBridge 156:ff21514d8981 6209 * @param[in] pSrc is input pointer
AnnaBridge 156:ff21514d8981 6210 * @param[in] blockSize is the number of samples to process
AnnaBridge 156:ff21514d8981 6211 * @param[out] pResult is output value.
AnnaBridge 156:ff21514d8981 6212 */
AnnaBridge 156:ff21514d8981 6213 void arm_power_q15(
AnnaBridge 156:ff21514d8981 6214 q15_t * pSrc,
AnnaBridge 156:ff21514d8981 6215 uint32_t blockSize,
AnnaBridge 156:ff21514d8981 6216 q63_t * pResult);
AnnaBridge 156:ff21514d8981 6217
AnnaBridge 156:ff21514d8981 6218
AnnaBridge 156:ff21514d8981 6219 /**
AnnaBridge 156:ff21514d8981 6220 * @brief Sum of the squares of the elements of a Q7 vector.
AnnaBridge 156:ff21514d8981 6221 * @param[in] pSrc is input pointer
AnnaBridge 156:ff21514d8981 6222 * @param[in] blockSize is the number of samples to process
AnnaBridge 156:ff21514d8981 6223 * @param[out] pResult is output value.
AnnaBridge 156:ff21514d8981 6224 */
AnnaBridge 156:ff21514d8981 6225 void arm_power_q7(
AnnaBridge 156:ff21514d8981 6226 q7_t * pSrc,
AnnaBridge 156:ff21514d8981 6227 uint32_t blockSize,
AnnaBridge 156:ff21514d8981 6228 q31_t * pResult);
AnnaBridge 156:ff21514d8981 6229
AnnaBridge 156:ff21514d8981 6230
AnnaBridge 156:ff21514d8981 6231 /**
AnnaBridge 156:ff21514d8981 6232 * @brief Mean value of a Q7 vector.
AnnaBridge 156:ff21514d8981 6233 * @param[in] pSrc is input pointer
AnnaBridge 156:ff21514d8981 6234 * @param[in] blockSize is the number of samples to process
AnnaBridge 156:ff21514d8981 6235 * @param[out] pResult is output value.
AnnaBridge 156:ff21514d8981 6236 */
AnnaBridge 156:ff21514d8981 6237 void arm_mean_q7(
AnnaBridge 156:ff21514d8981 6238 q7_t * pSrc,
AnnaBridge 156:ff21514d8981 6239 uint32_t blockSize,
AnnaBridge 156:ff21514d8981 6240 q7_t * pResult);
AnnaBridge 156:ff21514d8981 6241
AnnaBridge 156:ff21514d8981 6242
AnnaBridge 156:ff21514d8981 6243 /**
AnnaBridge 156:ff21514d8981 6244 * @brief Mean value of a Q15 vector.
AnnaBridge 156:ff21514d8981 6245 * @param[in] pSrc is input pointer
AnnaBridge 156:ff21514d8981 6246 * @param[in] blockSize is the number of samples to process
AnnaBridge 156:ff21514d8981 6247 * @param[out] pResult is output value.
AnnaBridge 156:ff21514d8981 6248 */
AnnaBridge 156:ff21514d8981 6249 void arm_mean_q15(
AnnaBridge 156:ff21514d8981 6250 q15_t * pSrc,
AnnaBridge 156:ff21514d8981 6251 uint32_t blockSize,
AnnaBridge 156:ff21514d8981 6252 q15_t * pResult);
AnnaBridge 156:ff21514d8981 6253
AnnaBridge 156:ff21514d8981 6254
AnnaBridge 156:ff21514d8981 6255 /**
AnnaBridge 156:ff21514d8981 6256 * @brief Mean value of a Q31 vector.
AnnaBridge 156:ff21514d8981 6257 * @param[in] pSrc is input pointer
AnnaBridge 156:ff21514d8981 6258 * @param[in] blockSize is the number of samples to process
AnnaBridge 156:ff21514d8981 6259 * @param[out] pResult is output value.
AnnaBridge 156:ff21514d8981 6260 */
AnnaBridge 156:ff21514d8981 6261 void arm_mean_q31(
AnnaBridge 156:ff21514d8981 6262 q31_t * pSrc,
AnnaBridge 156:ff21514d8981 6263 uint32_t blockSize,
AnnaBridge 156:ff21514d8981 6264 q31_t * pResult);
AnnaBridge 156:ff21514d8981 6265
AnnaBridge 156:ff21514d8981 6266
AnnaBridge 156:ff21514d8981 6267 /**
AnnaBridge 156:ff21514d8981 6268 * @brief Mean value of a floating-point vector.
AnnaBridge 156:ff21514d8981 6269 * @param[in] pSrc is input pointer
AnnaBridge 156:ff21514d8981 6270 * @param[in] blockSize is the number of samples to process
AnnaBridge 156:ff21514d8981 6271 * @param[out] pResult is output value.
AnnaBridge 156:ff21514d8981 6272 */
AnnaBridge 156:ff21514d8981 6273 void arm_mean_f32(
AnnaBridge 156:ff21514d8981 6274 float32_t * pSrc,
AnnaBridge 156:ff21514d8981 6275 uint32_t blockSize,
AnnaBridge 156:ff21514d8981 6276 float32_t * pResult);
AnnaBridge 156:ff21514d8981 6277
AnnaBridge 156:ff21514d8981 6278
AnnaBridge 156:ff21514d8981 6279 /**
AnnaBridge 156:ff21514d8981 6280 * @brief Variance of the elements of a floating-point vector.
AnnaBridge 156:ff21514d8981 6281 * @param[in] pSrc is input pointer
AnnaBridge 156:ff21514d8981 6282 * @param[in] blockSize is the number of samples to process
AnnaBridge 156:ff21514d8981 6283 * @param[out] pResult is output value.
AnnaBridge 156:ff21514d8981 6284 */
AnnaBridge 156:ff21514d8981 6285 void arm_var_f32(
AnnaBridge 156:ff21514d8981 6286 float32_t * pSrc,
AnnaBridge 156:ff21514d8981 6287 uint32_t blockSize,
AnnaBridge 156:ff21514d8981 6288 float32_t * pResult);
AnnaBridge 156:ff21514d8981 6289
AnnaBridge 156:ff21514d8981 6290
AnnaBridge 156:ff21514d8981 6291 /**
AnnaBridge 156:ff21514d8981 6292 * @brief Variance of the elements of a Q31 vector.
AnnaBridge 156:ff21514d8981 6293 * @param[in] pSrc is input pointer
AnnaBridge 156:ff21514d8981 6294 * @param[in] blockSize is the number of samples to process
AnnaBridge 156:ff21514d8981 6295 * @param[out] pResult is output value.
AnnaBridge 156:ff21514d8981 6296 */
AnnaBridge 156:ff21514d8981 6297 void arm_var_q31(
AnnaBridge 156:ff21514d8981 6298 q31_t * pSrc,
AnnaBridge 156:ff21514d8981 6299 uint32_t blockSize,
AnnaBridge 156:ff21514d8981 6300 q31_t * pResult);
AnnaBridge 156:ff21514d8981 6301
AnnaBridge 156:ff21514d8981 6302
AnnaBridge 156:ff21514d8981 6303 /**
AnnaBridge 156:ff21514d8981 6304 * @brief Variance of the elements of a Q15 vector.
AnnaBridge 156:ff21514d8981 6305 * @param[in] pSrc is input pointer
AnnaBridge 156:ff21514d8981 6306 * @param[in] blockSize is the number of samples to process
AnnaBridge 156:ff21514d8981 6307 * @param[out] pResult is output value.
AnnaBridge 156:ff21514d8981 6308 */
AnnaBridge 156:ff21514d8981 6309 void arm_var_q15(
AnnaBridge 156:ff21514d8981 6310 q15_t * pSrc,
AnnaBridge 156:ff21514d8981 6311 uint32_t blockSize,
AnnaBridge 156:ff21514d8981 6312 q15_t * pResult);
AnnaBridge 156:ff21514d8981 6313
AnnaBridge 156:ff21514d8981 6314
AnnaBridge 156:ff21514d8981 6315 /**
AnnaBridge 156:ff21514d8981 6316 * @brief Root Mean Square of the elements of a floating-point vector.
AnnaBridge 156:ff21514d8981 6317 * @param[in] pSrc is input pointer
AnnaBridge 156:ff21514d8981 6318 * @param[in] blockSize is the number of samples to process
AnnaBridge 156:ff21514d8981 6319 * @param[out] pResult is output value.
AnnaBridge 156:ff21514d8981 6320 */
AnnaBridge 156:ff21514d8981 6321 void arm_rms_f32(
AnnaBridge 156:ff21514d8981 6322 float32_t * pSrc,
AnnaBridge 156:ff21514d8981 6323 uint32_t blockSize,
AnnaBridge 156:ff21514d8981 6324 float32_t * pResult);
AnnaBridge 156:ff21514d8981 6325
AnnaBridge 156:ff21514d8981 6326
AnnaBridge 156:ff21514d8981 6327 /**
AnnaBridge 156:ff21514d8981 6328 * @brief Root Mean Square of the elements of a Q31 vector.
AnnaBridge 156:ff21514d8981 6329 * @param[in] pSrc is input pointer
AnnaBridge 156:ff21514d8981 6330 * @param[in] blockSize is the number of samples to process
AnnaBridge 156:ff21514d8981 6331 * @param[out] pResult is output value.
AnnaBridge 156:ff21514d8981 6332 */
AnnaBridge 156:ff21514d8981 6333 void arm_rms_q31(
AnnaBridge 156:ff21514d8981 6334 q31_t * pSrc,
AnnaBridge 156:ff21514d8981 6335 uint32_t blockSize,
AnnaBridge 156:ff21514d8981 6336 q31_t * pResult);
AnnaBridge 156:ff21514d8981 6337
AnnaBridge 156:ff21514d8981 6338
AnnaBridge 156:ff21514d8981 6339 /**
AnnaBridge 156:ff21514d8981 6340 * @brief Root Mean Square of the elements of a Q15 vector.
AnnaBridge 156:ff21514d8981 6341 * @param[in] pSrc is input pointer
AnnaBridge 156:ff21514d8981 6342 * @param[in] blockSize is the number of samples to process
AnnaBridge 156:ff21514d8981 6343 * @param[out] pResult is output value.
AnnaBridge 156:ff21514d8981 6344 */
AnnaBridge 156:ff21514d8981 6345 void arm_rms_q15(
AnnaBridge 156:ff21514d8981 6346 q15_t * pSrc,
AnnaBridge 156:ff21514d8981 6347 uint32_t blockSize,
AnnaBridge 156:ff21514d8981 6348 q15_t * pResult);
AnnaBridge 156:ff21514d8981 6349
AnnaBridge 156:ff21514d8981 6350
AnnaBridge 156:ff21514d8981 6351 /**
AnnaBridge 156:ff21514d8981 6352 * @brief Standard deviation of the elements of a floating-point vector.
AnnaBridge 156:ff21514d8981 6353 * @param[in] pSrc is input pointer
AnnaBridge 156:ff21514d8981 6354 * @param[in] blockSize is the number of samples to process
AnnaBridge 156:ff21514d8981 6355 * @param[out] pResult is output value.
AnnaBridge 156:ff21514d8981 6356 */
AnnaBridge 156:ff21514d8981 6357 void arm_std_f32(
AnnaBridge 156:ff21514d8981 6358 float32_t * pSrc,
AnnaBridge 156:ff21514d8981 6359 uint32_t blockSize,
AnnaBridge 156:ff21514d8981 6360 float32_t * pResult);
AnnaBridge 156:ff21514d8981 6361
AnnaBridge 156:ff21514d8981 6362
AnnaBridge 156:ff21514d8981 6363 /**
AnnaBridge 156:ff21514d8981 6364 * @brief Standard deviation of the elements of a Q31 vector.
AnnaBridge 156:ff21514d8981 6365 * @param[in] pSrc is input pointer
AnnaBridge 156:ff21514d8981 6366 * @param[in] blockSize is the number of samples to process
AnnaBridge 156:ff21514d8981 6367 * @param[out] pResult is output value.
AnnaBridge 156:ff21514d8981 6368 */
AnnaBridge 156:ff21514d8981 6369 void arm_std_q31(
AnnaBridge 156:ff21514d8981 6370 q31_t * pSrc,
AnnaBridge 156:ff21514d8981 6371 uint32_t blockSize,
AnnaBridge 156:ff21514d8981 6372 q31_t * pResult);
AnnaBridge 156:ff21514d8981 6373
AnnaBridge 156:ff21514d8981 6374
AnnaBridge 156:ff21514d8981 6375 /**
AnnaBridge 156:ff21514d8981 6376 * @brief Standard deviation of the elements of a Q15 vector.
AnnaBridge 156:ff21514d8981 6377 * @param[in] pSrc is input pointer
AnnaBridge 156:ff21514d8981 6378 * @param[in] blockSize is the number of samples to process
AnnaBridge 156:ff21514d8981 6379 * @param[out] pResult is output value.
AnnaBridge 156:ff21514d8981 6380 */
AnnaBridge 156:ff21514d8981 6381 void arm_std_q15(
AnnaBridge 156:ff21514d8981 6382 q15_t * pSrc,
AnnaBridge 156:ff21514d8981 6383 uint32_t blockSize,
AnnaBridge 156:ff21514d8981 6384 q15_t * pResult);
AnnaBridge 156:ff21514d8981 6385
AnnaBridge 156:ff21514d8981 6386
AnnaBridge 156:ff21514d8981 6387 /**
AnnaBridge 156:ff21514d8981 6388 * @brief Floating-point complex magnitude
AnnaBridge 156:ff21514d8981 6389 * @param[in] pSrc points to the complex input vector
AnnaBridge 156:ff21514d8981 6390 * @param[out] pDst points to the real output vector
AnnaBridge 156:ff21514d8981 6391 * @param[in] numSamples number of complex samples in the input vector
AnnaBridge 156:ff21514d8981 6392 */
AnnaBridge 156:ff21514d8981 6393 void arm_cmplx_mag_f32(
AnnaBridge 156:ff21514d8981 6394 float32_t * pSrc,
AnnaBridge 156:ff21514d8981 6395 float32_t * pDst,
AnnaBridge 156:ff21514d8981 6396 uint32_t numSamples);
AnnaBridge 156:ff21514d8981 6397
AnnaBridge 156:ff21514d8981 6398
AnnaBridge 156:ff21514d8981 6399 /**
AnnaBridge 156:ff21514d8981 6400 * @brief Q31 complex magnitude
AnnaBridge 156:ff21514d8981 6401 * @param[in] pSrc points to the complex input vector
AnnaBridge 156:ff21514d8981 6402 * @param[out] pDst points to the real output vector
AnnaBridge 156:ff21514d8981 6403 * @param[in] numSamples number of complex samples in the input vector
AnnaBridge 156:ff21514d8981 6404 */
AnnaBridge 156:ff21514d8981 6405 void arm_cmplx_mag_q31(
AnnaBridge 156:ff21514d8981 6406 q31_t * pSrc,
AnnaBridge 156:ff21514d8981 6407 q31_t * pDst,
AnnaBridge 156:ff21514d8981 6408 uint32_t numSamples);
AnnaBridge 156:ff21514d8981 6409
AnnaBridge 156:ff21514d8981 6410
AnnaBridge 156:ff21514d8981 6411 /**
AnnaBridge 156:ff21514d8981 6412 * @brief Q15 complex magnitude
AnnaBridge 156:ff21514d8981 6413 * @param[in] pSrc points to the complex input vector
AnnaBridge 156:ff21514d8981 6414 * @param[out] pDst points to the real output vector
AnnaBridge 156:ff21514d8981 6415 * @param[in] numSamples number of complex samples in the input vector
AnnaBridge 156:ff21514d8981 6416 */
AnnaBridge 156:ff21514d8981 6417 void arm_cmplx_mag_q15(
AnnaBridge 156:ff21514d8981 6418 q15_t * pSrc,
AnnaBridge 156:ff21514d8981 6419 q15_t * pDst,
AnnaBridge 156:ff21514d8981 6420 uint32_t numSamples);
AnnaBridge 156:ff21514d8981 6421
AnnaBridge 156:ff21514d8981 6422
AnnaBridge 156:ff21514d8981 6423 /**
AnnaBridge 156:ff21514d8981 6424 * @brief Q15 complex dot product
AnnaBridge 156:ff21514d8981 6425 * @param[in] pSrcA points to the first input vector
AnnaBridge 156:ff21514d8981 6426 * @param[in] pSrcB points to the second input vector
AnnaBridge 156:ff21514d8981 6427 * @param[in] numSamples number of complex samples in each vector
AnnaBridge 156:ff21514d8981 6428 * @param[out] realResult real part of the result returned here
AnnaBridge 156:ff21514d8981 6429 * @param[out] imagResult imaginary part of the result returned here
AnnaBridge 156:ff21514d8981 6430 */
AnnaBridge 156:ff21514d8981 6431 void arm_cmplx_dot_prod_q15(
AnnaBridge 156:ff21514d8981 6432 q15_t * pSrcA,
AnnaBridge 156:ff21514d8981 6433 q15_t * pSrcB,
AnnaBridge 156:ff21514d8981 6434 uint32_t numSamples,
AnnaBridge 156:ff21514d8981 6435 q31_t * realResult,
AnnaBridge 156:ff21514d8981 6436 q31_t * imagResult);
AnnaBridge 156:ff21514d8981 6437
AnnaBridge 156:ff21514d8981 6438
AnnaBridge 156:ff21514d8981 6439 /**
AnnaBridge 156:ff21514d8981 6440 * @brief Q31 complex dot product
AnnaBridge 156:ff21514d8981 6441 * @param[in] pSrcA points to the first input vector
AnnaBridge 156:ff21514d8981 6442 * @param[in] pSrcB points to the second input vector
AnnaBridge 156:ff21514d8981 6443 * @param[in] numSamples number of complex samples in each vector
AnnaBridge 156:ff21514d8981 6444 * @param[out] realResult real part of the result returned here
AnnaBridge 156:ff21514d8981 6445 * @param[out] imagResult imaginary part of the result returned here
AnnaBridge 156:ff21514d8981 6446 */
AnnaBridge 156:ff21514d8981 6447 void arm_cmplx_dot_prod_q31(
AnnaBridge 156:ff21514d8981 6448 q31_t * pSrcA,
AnnaBridge 156:ff21514d8981 6449 q31_t * pSrcB,
AnnaBridge 156:ff21514d8981 6450 uint32_t numSamples,
AnnaBridge 156:ff21514d8981 6451 q63_t * realResult,
AnnaBridge 156:ff21514d8981 6452 q63_t * imagResult);
AnnaBridge 156:ff21514d8981 6453
AnnaBridge 156:ff21514d8981 6454
AnnaBridge 156:ff21514d8981 6455 /**
AnnaBridge 156:ff21514d8981 6456 * @brief Floating-point complex dot product
AnnaBridge 156:ff21514d8981 6457 * @param[in] pSrcA points to the first input vector
AnnaBridge 156:ff21514d8981 6458 * @param[in] pSrcB points to the second input vector
AnnaBridge 156:ff21514d8981 6459 * @param[in] numSamples number of complex samples in each vector
AnnaBridge 156:ff21514d8981 6460 * @param[out] realResult real part of the result returned here
AnnaBridge 156:ff21514d8981 6461 * @param[out] imagResult imaginary part of the result returned here
AnnaBridge 156:ff21514d8981 6462 */
AnnaBridge 156:ff21514d8981 6463 void arm_cmplx_dot_prod_f32(
AnnaBridge 156:ff21514d8981 6464 float32_t * pSrcA,
AnnaBridge 156:ff21514d8981 6465 float32_t * pSrcB,
AnnaBridge 156:ff21514d8981 6466 uint32_t numSamples,
AnnaBridge 156:ff21514d8981 6467 float32_t * realResult,
AnnaBridge 156:ff21514d8981 6468 float32_t * imagResult);
AnnaBridge 156:ff21514d8981 6469
AnnaBridge 156:ff21514d8981 6470
AnnaBridge 156:ff21514d8981 6471 /**
AnnaBridge 156:ff21514d8981 6472 * @brief Q15 complex-by-real multiplication
AnnaBridge 156:ff21514d8981 6473 * @param[in] pSrcCmplx points to the complex input vector
AnnaBridge 156:ff21514d8981 6474 * @param[in] pSrcReal points to the real input vector
AnnaBridge 156:ff21514d8981 6475 * @param[out] pCmplxDst points to the complex output vector
AnnaBridge 156:ff21514d8981 6476 * @param[in] numSamples number of samples in each vector
AnnaBridge 156:ff21514d8981 6477 */
AnnaBridge 156:ff21514d8981 6478 void arm_cmplx_mult_real_q15(
AnnaBridge 156:ff21514d8981 6479 q15_t * pSrcCmplx,
AnnaBridge 156:ff21514d8981 6480 q15_t * pSrcReal,
AnnaBridge 156:ff21514d8981 6481 q15_t * pCmplxDst,
AnnaBridge 156:ff21514d8981 6482 uint32_t numSamples);
AnnaBridge 156:ff21514d8981 6483
AnnaBridge 156:ff21514d8981 6484
AnnaBridge 156:ff21514d8981 6485 /**
AnnaBridge 156:ff21514d8981 6486 * @brief Q31 complex-by-real multiplication
AnnaBridge 156:ff21514d8981 6487 * @param[in] pSrcCmplx points to the complex input vector
AnnaBridge 156:ff21514d8981 6488 * @param[in] pSrcReal points to the real input vector
AnnaBridge 156:ff21514d8981 6489 * @param[out] pCmplxDst points to the complex output vector
AnnaBridge 156:ff21514d8981 6490 * @param[in] numSamples number of samples in each vector
AnnaBridge 156:ff21514d8981 6491 */
AnnaBridge 156:ff21514d8981 6492 void arm_cmplx_mult_real_q31(
AnnaBridge 156:ff21514d8981 6493 q31_t * pSrcCmplx,
AnnaBridge 156:ff21514d8981 6494 q31_t * pSrcReal,
AnnaBridge 156:ff21514d8981 6495 q31_t * pCmplxDst,
AnnaBridge 156:ff21514d8981 6496 uint32_t numSamples);
AnnaBridge 156:ff21514d8981 6497
AnnaBridge 156:ff21514d8981 6498
AnnaBridge 156:ff21514d8981 6499 /**
AnnaBridge 156:ff21514d8981 6500 * @brief Floating-point complex-by-real multiplication
AnnaBridge 156:ff21514d8981 6501 * @param[in] pSrcCmplx points to the complex input vector
AnnaBridge 156:ff21514d8981 6502 * @param[in] pSrcReal points to the real input vector
AnnaBridge 156:ff21514d8981 6503 * @param[out] pCmplxDst points to the complex output vector
AnnaBridge 156:ff21514d8981 6504 * @param[in] numSamples number of samples in each vector
AnnaBridge 156:ff21514d8981 6505 */
AnnaBridge 156:ff21514d8981 6506 void arm_cmplx_mult_real_f32(
AnnaBridge 156:ff21514d8981 6507 float32_t * pSrcCmplx,
AnnaBridge 156:ff21514d8981 6508 float32_t * pSrcReal,
AnnaBridge 156:ff21514d8981 6509 float32_t * pCmplxDst,
AnnaBridge 156:ff21514d8981 6510 uint32_t numSamples);
AnnaBridge 156:ff21514d8981 6511
AnnaBridge 156:ff21514d8981 6512
AnnaBridge 156:ff21514d8981 6513 /**
AnnaBridge 156:ff21514d8981 6514 * @brief Minimum value of a Q7 vector.
AnnaBridge 156:ff21514d8981 6515 * @param[in] pSrc is input pointer
AnnaBridge 156:ff21514d8981 6516 * @param[in] blockSize is the number of samples to process
AnnaBridge 156:ff21514d8981 6517 * @param[out] result is output pointer
AnnaBridge 156:ff21514d8981 6518 * @param[in] index is the array index of the minimum value in the input buffer.
AnnaBridge 156:ff21514d8981 6519 */
AnnaBridge 156:ff21514d8981 6520 void arm_min_q7(
AnnaBridge 156:ff21514d8981 6521 q7_t * pSrc,
AnnaBridge 156:ff21514d8981 6522 uint32_t blockSize,
AnnaBridge 156:ff21514d8981 6523 q7_t * result,
AnnaBridge 156:ff21514d8981 6524 uint32_t * index);
AnnaBridge 156:ff21514d8981 6525
AnnaBridge 156:ff21514d8981 6526
AnnaBridge 156:ff21514d8981 6527 /**
AnnaBridge 156:ff21514d8981 6528 * @brief Minimum value of a Q15 vector.
AnnaBridge 156:ff21514d8981 6529 * @param[in] pSrc is input pointer
AnnaBridge 156:ff21514d8981 6530 * @param[in] blockSize is the number of samples to process
AnnaBridge 156:ff21514d8981 6531 * @param[out] pResult is output pointer
AnnaBridge 156:ff21514d8981 6532 * @param[in] pIndex is the array index of the minimum value in the input buffer.
AnnaBridge 156:ff21514d8981 6533 */
AnnaBridge 156:ff21514d8981 6534 void arm_min_q15(
AnnaBridge 156:ff21514d8981 6535 q15_t * pSrc,
AnnaBridge 156:ff21514d8981 6536 uint32_t blockSize,
AnnaBridge 156:ff21514d8981 6537 q15_t * pResult,
AnnaBridge 156:ff21514d8981 6538 uint32_t * pIndex);
AnnaBridge 156:ff21514d8981 6539
AnnaBridge 156:ff21514d8981 6540
AnnaBridge 156:ff21514d8981 6541 /**
AnnaBridge 156:ff21514d8981 6542 * @brief Minimum value of a Q31 vector.
AnnaBridge 156:ff21514d8981 6543 * @param[in] pSrc is input pointer
AnnaBridge 156:ff21514d8981 6544 * @param[in] blockSize is the number of samples to process
AnnaBridge 156:ff21514d8981 6545 * @param[out] pResult is output pointer
AnnaBridge 156:ff21514d8981 6546 * @param[out] pIndex is the array index of the minimum value in the input buffer.
AnnaBridge 156:ff21514d8981 6547 */
AnnaBridge 156:ff21514d8981 6548 void arm_min_q31(
AnnaBridge 156:ff21514d8981 6549 q31_t * pSrc,
AnnaBridge 156:ff21514d8981 6550 uint32_t blockSize,
AnnaBridge 156:ff21514d8981 6551 q31_t * pResult,
AnnaBridge 156:ff21514d8981 6552 uint32_t * pIndex);
AnnaBridge 156:ff21514d8981 6553
AnnaBridge 156:ff21514d8981 6554
AnnaBridge 156:ff21514d8981 6555 /**
AnnaBridge 156:ff21514d8981 6556 * @brief Minimum value of a floating-point vector.
AnnaBridge 156:ff21514d8981 6557 * @param[in] pSrc is input pointer
AnnaBridge 156:ff21514d8981 6558 * @param[in] blockSize is the number of samples to process
AnnaBridge 156:ff21514d8981 6559 * @param[out] pResult is output pointer
AnnaBridge 156:ff21514d8981 6560 * @param[out] pIndex is the array index of the minimum value in the input buffer.
AnnaBridge 156:ff21514d8981 6561 */
AnnaBridge 156:ff21514d8981 6562 void arm_min_f32(
AnnaBridge 156:ff21514d8981 6563 float32_t * pSrc,
AnnaBridge 156:ff21514d8981 6564 uint32_t blockSize,
AnnaBridge 156:ff21514d8981 6565 float32_t * pResult,
AnnaBridge 156:ff21514d8981 6566 uint32_t * pIndex);
AnnaBridge 156:ff21514d8981 6567
AnnaBridge 156:ff21514d8981 6568
AnnaBridge 156:ff21514d8981 6569 /**
AnnaBridge 156:ff21514d8981 6570 * @brief Maximum value of a Q7 vector.
AnnaBridge 156:ff21514d8981 6571 * @param[in] pSrc points to the input buffer
AnnaBridge 156:ff21514d8981 6572 * @param[in] blockSize length of the input vector
AnnaBridge 156:ff21514d8981 6573 * @param[out] pResult maximum value returned here
AnnaBridge 156:ff21514d8981 6574 * @param[out] pIndex index of maximum value returned here
AnnaBridge 156:ff21514d8981 6575 */
AnnaBridge 156:ff21514d8981 6576 void arm_max_q7(
AnnaBridge 156:ff21514d8981 6577 q7_t * pSrc,
AnnaBridge 156:ff21514d8981 6578 uint32_t blockSize,
AnnaBridge 156:ff21514d8981 6579 q7_t * pResult,
AnnaBridge 156:ff21514d8981 6580 uint32_t * pIndex);
AnnaBridge 156:ff21514d8981 6581
AnnaBridge 156:ff21514d8981 6582
AnnaBridge 156:ff21514d8981 6583 /**
AnnaBridge 156:ff21514d8981 6584 * @brief Maximum value of a Q15 vector.
AnnaBridge 156:ff21514d8981 6585 * @param[in] pSrc points to the input buffer
AnnaBridge 156:ff21514d8981 6586 * @param[in] blockSize length of the input vector
AnnaBridge 156:ff21514d8981 6587 * @param[out] pResult maximum value returned here
AnnaBridge 156:ff21514d8981 6588 * @param[out] pIndex index of maximum value returned here
AnnaBridge 156:ff21514d8981 6589 */
AnnaBridge 156:ff21514d8981 6590 void arm_max_q15(
AnnaBridge 156:ff21514d8981 6591 q15_t * pSrc,
AnnaBridge 156:ff21514d8981 6592 uint32_t blockSize,
AnnaBridge 156:ff21514d8981 6593 q15_t * pResult,
AnnaBridge 156:ff21514d8981 6594 uint32_t * pIndex);
AnnaBridge 156:ff21514d8981 6595
AnnaBridge 156:ff21514d8981 6596
AnnaBridge 156:ff21514d8981 6597 /**
AnnaBridge 156:ff21514d8981 6598 * @brief Maximum value of a Q31 vector.
AnnaBridge 156:ff21514d8981 6599 * @param[in] pSrc points to the input buffer
AnnaBridge 156:ff21514d8981 6600 * @param[in] blockSize length of the input vector
AnnaBridge 156:ff21514d8981 6601 * @param[out] pResult maximum value returned here
AnnaBridge 156:ff21514d8981 6602 * @param[out] pIndex index of maximum value returned here
AnnaBridge 156:ff21514d8981 6603 */
AnnaBridge 156:ff21514d8981 6604 void arm_max_q31(
AnnaBridge 156:ff21514d8981 6605 q31_t * pSrc,
AnnaBridge 156:ff21514d8981 6606 uint32_t blockSize,
AnnaBridge 156:ff21514d8981 6607 q31_t * pResult,
AnnaBridge 156:ff21514d8981 6608 uint32_t * pIndex);
AnnaBridge 156:ff21514d8981 6609
AnnaBridge 156:ff21514d8981 6610
AnnaBridge 156:ff21514d8981 6611 /**
AnnaBridge 156:ff21514d8981 6612 * @brief Maximum value of a floating-point vector.
AnnaBridge 156:ff21514d8981 6613 * @param[in] pSrc points to the input buffer
AnnaBridge 156:ff21514d8981 6614 * @param[in] blockSize length of the input vector
AnnaBridge 156:ff21514d8981 6615 * @param[out] pResult maximum value returned here
AnnaBridge 156:ff21514d8981 6616 * @param[out] pIndex index of maximum value returned here
AnnaBridge 156:ff21514d8981 6617 */
AnnaBridge 156:ff21514d8981 6618 void arm_max_f32(
AnnaBridge 156:ff21514d8981 6619 float32_t * pSrc,
AnnaBridge 156:ff21514d8981 6620 uint32_t blockSize,
AnnaBridge 156:ff21514d8981 6621 float32_t * pResult,
AnnaBridge 156:ff21514d8981 6622 uint32_t * pIndex);
AnnaBridge 156:ff21514d8981 6623
AnnaBridge 156:ff21514d8981 6624
AnnaBridge 156:ff21514d8981 6625 /**
AnnaBridge 156:ff21514d8981 6626 * @brief Q15 complex-by-complex multiplication
AnnaBridge 156:ff21514d8981 6627 * @param[in] pSrcA points to the first input vector
AnnaBridge 156:ff21514d8981 6628 * @param[in] pSrcB points to the second input vector
AnnaBridge 156:ff21514d8981 6629 * @param[out] pDst points to the output vector
AnnaBridge 156:ff21514d8981 6630 * @param[in] numSamples number of complex samples in each vector
AnnaBridge 156:ff21514d8981 6631 */
AnnaBridge 156:ff21514d8981 6632 void arm_cmplx_mult_cmplx_q15(
AnnaBridge 156:ff21514d8981 6633 q15_t * pSrcA,
AnnaBridge 156:ff21514d8981 6634 q15_t * pSrcB,
AnnaBridge 156:ff21514d8981 6635 q15_t * pDst,
AnnaBridge 156:ff21514d8981 6636 uint32_t numSamples);
AnnaBridge 156:ff21514d8981 6637
AnnaBridge 156:ff21514d8981 6638
AnnaBridge 156:ff21514d8981 6639 /**
AnnaBridge 156:ff21514d8981 6640 * @brief Q31 complex-by-complex multiplication
AnnaBridge 156:ff21514d8981 6641 * @param[in] pSrcA points to the first input vector
AnnaBridge 156:ff21514d8981 6642 * @param[in] pSrcB points to the second input vector
AnnaBridge 156:ff21514d8981 6643 * @param[out] pDst points to the output vector
AnnaBridge 156:ff21514d8981 6644 * @param[in] numSamples number of complex samples in each vector
AnnaBridge 156:ff21514d8981 6645 */
AnnaBridge 156:ff21514d8981 6646 void arm_cmplx_mult_cmplx_q31(
AnnaBridge 156:ff21514d8981 6647 q31_t * pSrcA,
AnnaBridge 156:ff21514d8981 6648 q31_t * pSrcB,
AnnaBridge 156:ff21514d8981 6649 q31_t * pDst,
AnnaBridge 156:ff21514d8981 6650 uint32_t numSamples);
AnnaBridge 156:ff21514d8981 6651
AnnaBridge 156:ff21514d8981 6652
AnnaBridge 156:ff21514d8981 6653 /**
AnnaBridge 156:ff21514d8981 6654 * @brief Floating-point complex-by-complex multiplication
AnnaBridge 156:ff21514d8981 6655 * @param[in] pSrcA points to the first input vector
AnnaBridge 156:ff21514d8981 6656 * @param[in] pSrcB points to the second input vector
AnnaBridge 156:ff21514d8981 6657 * @param[out] pDst points to the output vector
AnnaBridge 156:ff21514d8981 6658 * @param[in] numSamples number of complex samples in each vector
AnnaBridge 156:ff21514d8981 6659 */
AnnaBridge 156:ff21514d8981 6660 void arm_cmplx_mult_cmplx_f32(
AnnaBridge 156:ff21514d8981 6661 float32_t * pSrcA,
AnnaBridge 156:ff21514d8981 6662 float32_t * pSrcB,
AnnaBridge 156:ff21514d8981 6663 float32_t * pDst,
AnnaBridge 156:ff21514d8981 6664 uint32_t numSamples);
AnnaBridge 156:ff21514d8981 6665
AnnaBridge 156:ff21514d8981 6666
AnnaBridge 156:ff21514d8981 6667 /**
AnnaBridge 156:ff21514d8981 6668 * @brief Converts the elements of the floating-point vector to Q31 vector.
AnnaBridge 156:ff21514d8981 6669 * @param[in] pSrc points to the floating-point input vector
AnnaBridge 156:ff21514d8981 6670 * @param[out] pDst points to the Q31 output vector
AnnaBridge 156:ff21514d8981 6671 * @param[in] blockSize length of the input vector
AnnaBridge 156:ff21514d8981 6672 */
AnnaBridge 156:ff21514d8981 6673 void arm_float_to_q31(
AnnaBridge 156:ff21514d8981 6674 float32_t * pSrc,
AnnaBridge 156:ff21514d8981 6675 q31_t * pDst,
AnnaBridge 156:ff21514d8981 6676 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 6677
AnnaBridge 156:ff21514d8981 6678
AnnaBridge 156:ff21514d8981 6679 /**
AnnaBridge 156:ff21514d8981 6680 * @brief Converts the elements of the floating-point vector to Q15 vector.
AnnaBridge 156:ff21514d8981 6681 * @param[in] pSrc points to the floating-point input vector
AnnaBridge 156:ff21514d8981 6682 * @param[out] pDst points to the Q15 output vector
AnnaBridge 156:ff21514d8981 6683 * @param[in] blockSize length of the input vector
AnnaBridge 156:ff21514d8981 6684 */
AnnaBridge 156:ff21514d8981 6685 void arm_float_to_q15(
AnnaBridge 156:ff21514d8981 6686 float32_t * pSrc,
AnnaBridge 156:ff21514d8981 6687 q15_t * pDst,
AnnaBridge 156:ff21514d8981 6688 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 6689
AnnaBridge 156:ff21514d8981 6690
AnnaBridge 156:ff21514d8981 6691 /**
AnnaBridge 156:ff21514d8981 6692 * @brief Converts the elements of the floating-point vector to Q7 vector.
AnnaBridge 156:ff21514d8981 6693 * @param[in] pSrc points to the floating-point input vector
AnnaBridge 156:ff21514d8981 6694 * @param[out] pDst points to the Q7 output vector
AnnaBridge 156:ff21514d8981 6695 * @param[in] blockSize length of the input vector
AnnaBridge 156:ff21514d8981 6696 */
AnnaBridge 156:ff21514d8981 6697 void arm_float_to_q7(
AnnaBridge 156:ff21514d8981 6698 float32_t * pSrc,
AnnaBridge 156:ff21514d8981 6699 q7_t * pDst,
AnnaBridge 156:ff21514d8981 6700 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 6701
AnnaBridge 156:ff21514d8981 6702
AnnaBridge 156:ff21514d8981 6703 /**
AnnaBridge 156:ff21514d8981 6704 * @brief Converts the elements of the Q31 vector to Q15 vector.
AnnaBridge 156:ff21514d8981 6705 * @param[in] pSrc is input pointer
AnnaBridge 156:ff21514d8981 6706 * @param[out] pDst is output pointer
AnnaBridge 156:ff21514d8981 6707 * @param[in] blockSize is the number of samples to process
AnnaBridge 156:ff21514d8981 6708 */
AnnaBridge 156:ff21514d8981 6709 void arm_q31_to_q15(
AnnaBridge 156:ff21514d8981 6710 q31_t * pSrc,
AnnaBridge 156:ff21514d8981 6711 q15_t * pDst,
AnnaBridge 156:ff21514d8981 6712 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 6713
AnnaBridge 156:ff21514d8981 6714
AnnaBridge 156:ff21514d8981 6715 /**
AnnaBridge 156:ff21514d8981 6716 * @brief Converts the elements of the Q31 vector to Q7 vector.
AnnaBridge 156:ff21514d8981 6717 * @param[in] pSrc is input pointer
AnnaBridge 156:ff21514d8981 6718 * @param[out] pDst is output pointer
AnnaBridge 156:ff21514d8981 6719 * @param[in] blockSize is the number of samples to process
AnnaBridge 156:ff21514d8981 6720 */
AnnaBridge 156:ff21514d8981 6721 void arm_q31_to_q7(
AnnaBridge 156:ff21514d8981 6722 q31_t * pSrc,
AnnaBridge 156:ff21514d8981 6723 q7_t * pDst,
AnnaBridge 156:ff21514d8981 6724 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 6725
AnnaBridge 156:ff21514d8981 6726
AnnaBridge 156:ff21514d8981 6727 /**
AnnaBridge 156:ff21514d8981 6728 * @brief Converts the elements of the Q15 vector to floating-point vector.
AnnaBridge 156:ff21514d8981 6729 * @param[in] pSrc is input pointer
AnnaBridge 156:ff21514d8981 6730 * @param[out] pDst is output pointer
AnnaBridge 156:ff21514d8981 6731 * @param[in] blockSize is the number of samples to process
AnnaBridge 156:ff21514d8981 6732 */
AnnaBridge 156:ff21514d8981 6733 void arm_q15_to_float(
AnnaBridge 156:ff21514d8981 6734 q15_t * pSrc,
AnnaBridge 156:ff21514d8981 6735 float32_t * pDst,
AnnaBridge 156:ff21514d8981 6736 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 6737
AnnaBridge 156:ff21514d8981 6738
AnnaBridge 156:ff21514d8981 6739 /**
AnnaBridge 156:ff21514d8981 6740 * @brief Converts the elements of the Q15 vector to Q31 vector.
AnnaBridge 156:ff21514d8981 6741 * @param[in] pSrc is input pointer
AnnaBridge 156:ff21514d8981 6742 * @param[out] pDst is output pointer
AnnaBridge 156:ff21514d8981 6743 * @param[in] blockSize is the number of samples to process
AnnaBridge 156:ff21514d8981 6744 */
AnnaBridge 156:ff21514d8981 6745 void arm_q15_to_q31(
AnnaBridge 156:ff21514d8981 6746 q15_t * pSrc,
AnnaBridge 156:ff21514d8981 6747 q31_t * pDst,
AnnaBridge 156:ff21514d8981 6748 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 6749
AnnaBridge 156:ff21514d8981 6750
AnnaBridge 156:ff21514d8981 6751 /**
AnnaBridge 156:ff21514d8981 6752 * @brief Converts the elements of the Q15 vector to Q7 vector.
AnnaBridge 156:ff21514d8981 6753 * @param[in] pSrc is input pointer
AnnaBridge 156:ff21514d8981 6754 * @param[out] pDst is output pointer
AnnaBridge 156:ff21514d8981 6755 * @param[in] blockSize is the number of samples to process
AnnaBridge 156:ff21514d8981 6756 */
AnnaBridge 156:ff21514d8981 6757 void arm_q15_to_q7(
AnnaBridge 156:ff21514d8981 6758 q15_t * pSrc,
AnnaBridge 156:ff21514d8981 6759 q7_t * pDst,
AnnaBridge 156:ff21514d8981 6760 uint32_t blockSize);
AnnaBridge 156:ff21514d8981 6761
AnnaBridge 156:ff21514d8981 6762
AnnaBridge 156:ff21514d8981 6763 /**
AnnaBridge 156:ff21514d8981 6764 * @ingroup groupInterpolation
AnnaBridge 156:ff21514d8981 6765 */
AnnaBridge 156:ff21514d8981 6766
AnnaBridge 156:ff21514d8981 6767 /**
AnnaBridge 156:ff21514d8981 6768 * @defgroup BilinearInterpolate Bilinear Interpolation
AnnaBridge 156:ff21514d8981 6769 *
AnnaBridge 156:ff21514d8981 6770 * Bilinear interpolation is an extension of linear interpolation applied to a two dimensional grid.
AnnaBridge 156:ff21514d8981 6771 * The underlying function <code>f(x, y)</code> is sampled on a regular grid and the interpolation process
AnnaBridge 156:ff21514d8981 6772 * determines values between the grid points.
AnnaBridge 156:ff21514d8981 6773 * Bilinear interpolation is equivalent to two step linear interpolation, first in the x-dimension and then in the y-dimension.
AnnaBridge 156:ff21514d8981 6774 * Bilinear interpolation is often used in image processing to rescale images.
AnnaBridge 156:ff21514d8981 6775 * The CMSIS DSP library provides bilinear interpolation functions for Q7, Q15, Q31, and floating-point data types.
AnnaBridge 156:ff21514d8981 6776 *
AnnaBridge 156:ff21514d8981 6777 * <b>Algorithm</b>
AnnaBridge 156:ff21514d8981 6778 * \par
AnnaBridge 156:ff21514d8981 6779 * The instance structure used by the bilinear interpolation functions describes a two dimensional data table.
AnnaBridge 156:ff21514d8981 6780 * For floating-point, the instance structure is defined as:
AnnaBridge 156:ff21514d8981 6781 * <pre>
AnnaBridge 156:ff21514d8981 6782 * typedef struct
AnnaBridge 156:ff21514d8981 6783 * {
AnnaBridge 156:ff21514d8981 6784 * uint16_t numRows;
AnnaBridge 156:ff21514d8981 6785 * uint16_t numCols;
AnnaBridge 156:ff21514d8981 6786 * float32_t *pData;
AnnaBridge 156:ff21514d8981 6787 * } arm_bilinear_interp_instance_f32;
AnnaBridge 156:ff21514d8981 6788 * </pre>
AnnaBridge 156:ff21514d8981 6789 *
AnnaBridge 156:ff21514d8981 6790 * \par
AnnaBridge 156:ff21514d8981 6791 * where <code>numRows</code> specifies the number of rows in the table;
AnnaBridge 156:ff21514d8981 6792 * <code>numCols</code> specifies the number of columns in the table;
AnnaBridge 156:ff21514d8981 6793 * and <code>pData</code> points to an array of size <code>numRows*numCols</code> values.
AnnaBridge 156:ff21514d8981 6794 * The data table <code>pTable</code> is organized in row order and the supplied data values fall on integer indexes.
AnnaBridge 156:ff21514d8981 6795 * That is, table element (x,y) is located at <code>pTable[x + y*numCols]</code> where x and y are integers.
AnnaBridge 156:ff21514d8981 6796 *
AnnaBridge 156:ff21514d8981 6797 * \par
AnnaBridge 156:ff21514d8981 6798 * Let <code>(x, y)</code> specify the desired interpolation point. Then define:
AnnaBridge 156:ff21514d8981 6799 * <pre>
AnnaBridge 156:ff21514d8981 6800 * XF = floor(x)
AnnaBridge 156:ff21514d8981 6801 * YF = floor(y)
AnnaBridge 156:ff21514d8981 6802 * </pre>
AnnaBridge 156:ff21514d8981 6803 * \par
AnnaBridge 156:ff21514d8981 6804 * The interpolated output point is computed as:
AnnaBridge 156:ff21514d8981 6805 * <pre>
AnnaBridge 156:ff21514d8981 6806 * f(x, y) = f(XF, YF) * (1-(x-XF)) * (1-(y-YF))
AnnaBridge 156:ff21514d8981 6807 * + f(XF+1, YF) * (x-XF)*(1-(y-YF))
AnnaBridge 156:ff21514d8981 6808 * + f(XF, YF+1) * (1-(x-XF))*(y-YF)
AnnaBridge 156:ff21514d8981 6809 * + f(XF+1, YF+1) * (x-XF)*(y-YF)
AnnaBridge 156:ff21514d8981 6810 * </pre>
AnnaBridge 156:ff21514d8981 6811 * Note that the coordinates (x, y) contain integer and fractional components.
AnnaBridge 156:ff21514d8981 6812 * The integer components specify which portion of the table to use while the
AnnaBridge 156:ff21514d8981 6813 * fractional components control the interpolation processor.
AnnaBridge 156:ff21514d8981 6814 *
AnnaBridge 156:ff21514d8981 6815 * \par
AnnaBridge 156:ff21514d8981 6816 * if (x,y) are outside of the table boundary, Bilinear interpolation returns zero output.
AnnaBridge 156:ff21514d8981 6817 */
AnnaBridge 156:ff21514d8981 6818
AnnaBridge 156:ff21514d8981 6819 /**
AnnaBridge 156:ff21514d8981 6820 * @addtogroup BilinearInterpolate
AnnaBridge 156:ff21514d8981 6821 * @{
AnnaBridge 156:ff21514d8981 6822 */
AnnaBridge 156:ff21514d8981 6823
AnnaBridge 156:ff21514d8981 6824
AnnaBridge 156:ff21514d8981 6825 /**
AnnaBridge 156:ff21514d8981 6826 *
AnnaBridge 156:ff21514d8981 6827 * @brief Floating-point bilinear interpolation.
AnnaBridge 156:ff21514d8981 6828 * @param[in,out] S points to an instance of the interpolation structure.
AnnaBridge 156:ff21514d8981 6829 * @param[in] X interpolation coordinate.
AnnaBridge 156:ff21514d8981 6830 * @param[in] Y interpolation coordinate.
AnnaBridge 156:ff21514d8981 6831 * @return out interpolated value.
AnnaBridge 156:ff21514d8981 6832 */
AnnaBridge 156:ff21514d8981 6833 CMSIS_INLINE __STATIC_INLINE float32_t arm_bilinear_interp_f32(
AnnaBridge 156:ff21514d8981 6834 const arm_bilinear_interp_instance_f32 * S,
AnnaBridge 156:ff21514d8981 6835 float32_t X,
AnnaBridge 156:ff21514d8981 6836 float32_t Y)
AnnaBridge 156:ff21514d8981 6837 {
AnnaBridge 156:ff21514d8981 6838 float32_t out;
AnnaBridge 156:ff21514d8981 6839 float32_t f00, f01, f10, f11;
AnnaBridge 156:ff21514d8981 6840 float32_t *pData = S->pData;
AnnaBridge 156:ff21514d8981 6841 int32_t xIndex, yIndex, index;
AnnaBridge 156:ff21514d8981 6842 float32_t xdiff, ydiff;
AnnaBridge 156:ff21514d8981 6843 float32_t b1, b2, b3, b4;
AnnaBridge 156:ff21514d8981 6844
AnnaBridge 156:ff21514d8981 6845 xIndex = (int32_t) X;
AnnaBridge 156:ff21514d8981 6846 yIndex = (int32_t) Y;
AnnaBridge 156:ff21514d8981 6847
AnnaBridge 156:ff21514d8981 6848 /* Care taken for table outside boundary */
AnnaBridge 156:ff21514d8981 6849 /* Returns zero output when values are outside table boundary */
AnnaBridge 156:ff21514d8981 6850 if (xIndex < 0 || xIndex > (S->numRows - 1) || yIndex < 0 || yIndex > (S->numCols - 1))
AnnaBridge 156:ff21514d8981 6851 {
AnnaBridge 156:ff21514d8981 6852 return (0);
AnnaBridge 156:ff21514d8981 6853 }
AnnaBridge 156:ff21514d8981 6854
AnnaBridge 156:ff21514d8981 6855 /* Calculation of index for two nearest points in X-direction */
AnnaBridge 156:ff21514d8981 6856 index = (xIndex - 1) + (yIndex - 1) * S->numCols;
AnnaBridge 156:ff21514d8981 6857
AnnaBridge 156:ff21514d8981 6858
AnnaBridge 156:ff21514d8981 6859 /* Read two nearest points in X-direction */
AnnaBridge 156:ff21514d8981 6860 f00 = pData[index];
AnnaBridge 156:ff21514d8981 6861 f01 = pData[index + 1];
AnnaBridge 156:ff21514d8981 6862
AnnaBridge 156:ff21514d8981 6863 /* Calculation of index for two nearest points in Y-direction */
AnnaBridge 156:ff21514d8981 6864 index = (xIndex - 1) + (yIndex) * S->numCols;
AnnaBridge 156:ff21514d8981 6865
AnnaBridge 156:ff21514d8981 6866
AnnaBridge 156:ff21514d8981 6867 /* Read two nearest points in Y-direction */
AnnaBridge 156:ff21514d8981 6868 f10 = pData[index];
AnnaBridge 156:ff21514d8981 6869 f11 = pData[index + 1];
AnnaBridge 156:ff21514d8981 6870
AnnaBridge 156:ff21514d8981 6871 /* Calculation of intermediate values */
AnnaBridge 156:ff21514d8981 6872 b1 = f00;
AnnaBridge 156:ff21514d8981 6873 b2 = f01 - f00;
AnnaBridge 156:ff21514d8981 6874 b3 = f10 - f00;
AnnaBridge 156:ff21514d8981 6875 b4 = f00 - f01 - f10 + f11;
AnnaBridge 156:ff21514d8981 6876
AnnaBridge 156:ff21514d8981 6877 /* Calculation of fractional part in X */
AnnaBridge 156:ff21514d8981 6878 xdiff = X - xIndex;
AnnaBridge 156:ff21514d8981 6879
AnnaBridge 156:ff21514d8981 6880 /* Calculation of fractional part in Y */
AnnaBridge 156:ff21514d8981 6881 ydiff = Y - yIndex;
AnnaBridge 156:ff21514d8981 6882
AnnaBridge 156:ff21514d8981 6883 /* Calculation of bi-linear interpolated output */
AnnaBridge 156:ff21514d8981 6884 out = b1 + b2 * xdiff + b3 * ydiff + b4 * xdiff * ydiff;
AnnaBridge 156:ff21514d8981 6885
AnnaBridge 156:ff21514d8981 6886 /* return to application */
AnnaBridge 156:ff21514d8981 6887 return (out);
AnnaBridge 156:ff21514d8981 6888 }
AnnaBridge 156:ff21514d8981 6889
AnnaBridge 156:ff21514d8981 6890
AnnaBridge 156:ff21514d8981 6891 /**
AnnaBridge 156:ff21514d8981 6892 *
AnnaBridge 156:ff21514d8981 6893 * @brief Q31 bilinear interpolation.
AnnaBridge 156:ff21514d8981 6894 * @param[in,out] S points to an instance of the interpolation structure.
AnnaBridge 156:ff21514d8981 6895 * @param[in] X interpolation coordinate in 12.20 format.
AnnaBridge 156:ff21514d8981 6896 * @param[in] Y interpolation coordinate in 12.20 format.
AnnaBridge 156:ff21514d8981 6897 * @return out interpolated value.
AnnaBridge 156:ff21514d8981 6898 */
AnnaBridge 156:ff21514d8981 6899 CMSIS_INLINE __STATIC_INLINE q31_t arm_bilinear_interp_q31(
AnnaBridge 156:ff21514d8981 6900 arm_bilinear_interp_instance_q31 * S,
AnnaBridge 156:ff21514d8981 6901 q31_t X,
AnnaBridge 156:ff21514d8981 6902 q31_t Y)
AnnaBridge 156:ff21514d8981 6903 {
AnnaBridge 156:ff21514d8981 6904 q31_t out; /* Temporary output */
AnnaBridge 156:ff21514d8981 6905 q31_t acc = 0; /* output */
AnnaBridge 156:ff21514d8981 6906 q31_t xfract, yfract; /* X, Y fractional parts */
AnnaBridge 156:ff21514d8981 6907 q31_t x1, x2, y1, y2; /* Nearest output values */
AnnaBridge 156:ff21514d8981 6908 int32_t rI, cI; /* Row and column indices */
AnnaBridge 156:ff21514d8981 6909 q31_t *pYData = S->pData; /* pointer to output table values */
AnnaBridge 156:ff21514d8981 6910 uint32_t nCols = S->numCols; /* num of rows */
AnnaBridge 156:ff21514d8981 6911
AnnaBridge 156:ff21514d8981 6912 /* Input is in 12.20 format */
AnnaBridge 156:ff21514d8981 6913 /* 12 bits for the table index */
AnnaBridge 156:ff21514d8981 6914 /* Index value calculation */
AnnaBridge 156:ff21514d8981 6915 rI = ((X & (q31_t)0xFFF00000) >> 20);
AnnaBridge 156:ff21514d8981 6916
AnnaBridge 156:ff21514d8981 6917 /* Input is in 12.20 format */
AnnaBridge 156:ff21514d8981 6918 /* 12 bits for the table index */
AnnaBridge 156:ff21514d8981 6919 /* Index value calculation */
AnnaBridge 156:ff21514d8981 6920 cI = ((Y & (q31_t)0xFFF00000) >> 20);
AnnaBridge 156:ff21514d8981 6921
AnnaBridge 156:ff21514d8981 6922 /* Care taken for table outside boundary */
AnnaBridge 156:ff21514d8981 6923 /* Returns zero output when values are outside table boundary */
AnnaBridge 156:ff21514d8981 6924 if (rI < 0 || rI > (S->numRows - 1) || cI < 0 || cI > (S->numCols - 1))
AnnaBridge 156:ff21514d8981 6925 {
AnnaBridge 156:ff21514d8981 6926 return (0);
AnnaBridge 156:ff21514d8981 6927 }
AnnaBridge 156:ff21514d8981 6928
AnnaBridge 156:ff21514d8981 6929 /* 20 bits for the fractional part */
AnnaBridge 156:ff21514d8981 6930 /* shift left xfract by 11 to keep 1.31 format */
AnnaBridge 156:ff21514d8981 6931 xfract = (X & 0x000FFFFF) << 11u;
AnnaBridge 156:ff21514d8981 6932
AnnaBridge 156:ff21514d8981 6933 /* Read two nearest output values from the index */
AnnaBridge 156:ff21514d8981 6934 x1 = pYData[(rI) + (int32_t)nCols * (cI) ];
AnnaBridge 156:ff21514d8981 6935 x2 = pYData[(rI) + (int32_t)nCols * (cI) + 1];
AnnaBridge 156:ff21514d8981 6936
AnnaBridge 156:ff21514d8981 6937 /* 20 bits for the fractional part */
AnnaBridge 156:ff21514d8981 6938 /* shift left yfract by 11 to keep 1.31 format */
AnnaBridge 156:ff21514d8981 6939 yfract = (Y & 0x000FFFFF) << 11u;
AnnaBridge 156:ff21514d8981 6940
AnnaBridge 156:ff21514d8981 6941 /* Read two nearest output values from the index */
AnnaBridge 156:ff21514d8981 6942 y1 = pYData[(rI) + (int32_t)nCols * (cI + 1) ];
AnnaBridge 156:ff21514d8981 6943 y2 = pYData[(rI) + (int32_t)nCols * (cI + 1) + 1];
AnnaBridge 156:ff21514d8981 6944
AnnaBridge 156:ff21514d8981 6945 /* Calculation of x1 * (1-xfract ) * (1-yfract) and acc is in 3.29(q29) format */
AnnaBridge 156:ff21514d8981 6946 out = ((q31_t) (((q63_t) x1 * (0x7FFFFFFF - xfract)) >> 32));
AnnaBridge 156:ff21514d8981 6947 acc = ((q31_t) (((q63_t) out * (0x7FFFFFFF - yfract)) >> 32));
AnnaBridge 156:ff21514d8981 6948
AnnaBridge 156:ff21514d8981 6949 /* x2 * (xfract) * (1-yfract) in 3.29(q29) and adding to acc */
AnnaBridge 156:ff21514d8981 6950 out = ((q31_t) ((q63_t) x2 * (0x7FFFFFFF - yfract) >> 32));
AnnaBridge 156:ff21514d8981 6951 acc += ((q31_t) ((q63_t) out * (xfract) >> 32));
AnnaBridge 156:ff21514d8981 6952
AnnaBridge 156:ff21514d8981 6953 /* y1 * (1 - xfract) * (yfract) in 3.29(q29) and adding to acc */
AnnaBridge 156:ff21514d8981 6954 out = ((q31_t) ((q63_t) y1 * (0x7FFFFFFF - xfract) >> 32));
AnnaBridge 156:ff21514d8981 6955 acc += ((q31_t) ((q63_t) out * (yfract) >> 32));
AnnaBridge 156:ff21514d8981 6956
AnnaBridge 156:ff21514d8981 6957 /* y2 * (xfract) * (yfract) in 3.29(q29) and adding to acc */
AnnaBridge 156:ff21514d8981 6958 out = ((q31_t) ((q63_t) y2 * (xfract) >> 32));
AnnaBridge 156:ff21514d8981 6959 acc += ((q31_t) ((q63_t) out * (yfract) >> 32));
AnnaBridge 156:ff21514d8981 6960
AnnaBridge 156:ff21514d8981 6961 /* Convert acc to 1.31(q31) format */
AnnaBridge 156:ff21514d8981 6962 return ((q31_t)(acc << 2));
AnnaBridge 156:ff21514d8981 6963 }
AnnaBridge 156:ff21514d8981 6964
AnnaBridge 156:ff21514d8981 6965
AnnaBridge 156:ff21514d8981 6966 /**
AnnaBridge 156:ff21514d8981 6967 * @brief Q15 bilinear interpolation.
AnnaBridge 156:ff21514d8981 6968 * @param[in,out] S points to an instance of the interpolation structure.
AnnaBridge 156:ff21514d8981 6969 * @param[in] X interpolation coordinate in 12.20 format.
AnnaBridge 156:ff21514d8981 6970 * @param[in] Y interpolation coordinate in 12.20 format.
AnnaBridge 156:ff21514d8981 6971 * @return out interpolated value.
AnnaBridge 156:ff21514d8981 6972 */
AnnaBridge 156:ff21514d8981 6973 CMSIS_INLINE __STATIC_INLINE q15_t arm_bilinear_interp_q15(
AnnaBridge 156:ff21514d8981 6974 arm_bilinear_interp_instance_q15 * S,
AnnaBridge 156:ff21514d8981 6975 q31_t X,
AnnaBridge 156:ff21514d8981 6976 q31_t Y)
AnnaBridge 156:ff21514d8981 6977 {
AnnaBridge 156:ff21514d8981 6978 q63_t acc = 0; /* output */
AnnaBridge 156:ff21514d8981 6979 q31_t out; /* Temporary output */
AnnaBridge 156:ff21514d8981 6980 q15_t x1, x2, y1, y2; /* Nearest output values */
AnnaBridge 156:ff21514d8981 6981 q31_t xfract, yfract; /* X, Y fractional parts */
AnnaBridge 156:ff21514d8981 6982 int32_t rI, cI; /* Row and column indices */
AnnaBridge 156:ff21514d8981 6983 q15_t *pYData = S->pData; /* pointer to output table values */
AnnaBridge 156:ff21514d8981 6984 uint32_t nCols = S->numCols; /* num of rows */
AnnaBridge 156:ff21514d8981 6985
AnnaBridge 156:ff21514d8981 6986 /* Input is in 12.20 format */
AnnaBridge 156:ff21514d8981 6987 /* 12 bits for the table index */
AnnaBridge 156:ff21514d8981 6988 /* Index value calculation */
AnnaBridge 156:ff21514d8981 6989 rI = ((X & (q31_t)0xFFF00000) >> 20);
AnnaBridge 156:ff21514d8981 6990
AnnaBridge 156:ff21514d8981 6991 /* Input is in 12.20 format */
AnnaBridge 156:ff21514d8981 6992 /* 12 bits for the table index */
AnnaBridge 156:ff21514d8981 6993 /* Index value calculation */
AnnaBridge 156:ff21514d8981 6994 cI = ((Y & (q31_t)0xFFF00000) >> 20);
AnnaBridge 156:ff21514d8981 6995
AnnaBridge 156:ff21514d8981 6996 /* Care taken for table outside boundary */
AnnaBridge 156:ff21514d8981 6997 /* Returns zero output when values are outside table boundary */
AnnaBridge 156:ff21514d8981 6998 if (rI < 0 || rI > (S->numRows - 1) || cI < 0 || cI > (S->numCols - 1))
AnnaBridge 156:ff21514d8981 6999 {
AnnaBridge 156:ff21514d8981 7000 return (0);
AnnaBridge 156:ff21514d8981 7001 }
AnnaBridge 156:ff21514d8981 7002
AnnaBridge 156:ff21514d8981 7003 /* 20 bits for the fractional part */
AnnaBridge 156:ff21514d8981 7004 /* xfract should be in 12.20 format */
AnnaBridge 156:ff21514d8981 7005 xfract = (X & 0x000FFFFF);
AnnaBridge 156:ff21514d8981 7006
AnnaBridge 156:ff21514d8981 7007 /* Read two nearest output values from the index */
AnnaBridge 156:ff21514d8981 7008 x1 = pYData[((uint32_t)rI) + nCols * ((uint32_t)cI) ];
AnnaBridge 156:ff21514d8981 7009 x2 = pYData[((uint32_t)rI) + nCols * ((uint32_t)cI) + 1];
AnnaBridge 156:ff21514d8981 7010
AnnaBridge 156:ff21514d8981 7011 /* 20 bits for the fractional part */
AnnaBridge 156:ff21514d8981 7012 /* yfract should be in 12.20 format */
AnnaBridge 156:ff21514d8981 7013 yfract = (Y & 0x000FFFFF);
AnnaBridge 156:ff21514d8981 7014
AnnaBridge 156:ff21514d8981 7015 /* Read two nearest output values from the index */
AnnaBridge 156:ff21514d8981 7016 y1 = pYData[((uint32_t)rI) + nCols * ((uint32_t)cI + 1) ];
AnnaBridge 156:ff21514d8981 7017 y2 = pYData[((uint32_t)rI) + nCols * ((uint32_t)cI + 1) + 1];
AnnaBridge 156:ff21514d8981 7018
AnnaBridge 156:ff21514d8981 7019 /* Calculation of x1 * (1-xfract ) * (1-yfract) and acc is in 13.51 format */
AnnaBridge 156:ff21514d8981 7020
AnnaBridge 156:ff21514d8981 7021 /* x1 is in 1.15(q15), xfract in 12.20 format and out is in 13.35 format */
AnnaBridge 156:ff21514d8981 7022 /* convert 13.35 to 13.31 by right shifting and out is in 1.31 */
AnnaBridge 156:ff21514d8981 7023 out = (q31_t) (((q63_t) x1 * (0xFFFFF - xfract)) >> 4u);
AnnaBridge 156:ff21514d8981 7024 acc = ((q63_t) out * (0xFFFFF - yfract));
AnnaBridge 156:ff21514d8981 7025
AnnaBridge 156:ff21514d8981 7026 /* x2 * (xfract) * (1-yfract) in 1.51 and adding to acc */
AnnaBridge 156:ff21514d8981 7027 out = (q31_t) (((q63_t) x2 * (0xFFFFF - yfract)) >> 4u);
AnnaBridge 156:ff21514d8981 7028 acc += ((q63_t) out * (xfract));
AnnaBridge 156:ff21514d8981 7029
AnnaBridge 156:ff21514d8981 7030 /* y1 * (1 - xfract) * (yfract) in 1.51 and adding to acc */
AnnaBridge 156:ff21514d8981 7031 out = (q31_t) (((q63_t) y1 * (0xFFFFF - xfract)) >> 4u);
AnnaBridge 156:ff21514d8981 7032 acc += ((q63_t) out * (yfract));
AnnaBridge 156:ff21514d8981 7033
AnnaBridge 156:ff21514d8981 7034 /* y2 * (xfract) * (yfract) in 1.51 and adding to acc */
AnnaBridge 156:ff21514d8981 7035 out = (q31_t) (((q63_t) y2 * (xfract)) >> 4u);
AnnaBridge 156:ff21514d8981 7036 acc += ((q63_t) out * (yfract));
AnnaBridge 156:ff21514d8981 7037
AnnaBridge 156:ff21514d8981 7038 /* acc is in 13.51 format and down shift acc by 36 times */
AnnaBridge 156:ff21514d8981 7039 /* Convert out to 1.15 format */
AnnaBridge 156:ff21514d8981 7040 return ((q15_t)(acc >> 36));
AnnaBridge 156:ff21514d8981 7041 }
AnnaBridge 156:ff21514d8981 7042
AnnaBridge 156:ff21514d8981 7043
AnnaBridge 156:ff21514d8981 7044 /**
AnnaBridge 156:ff21514d8981 7045 * @brief Q7 bilinear interpolation.
AnnaBridge 156:ff21514d8981 7046 * @param[in,out] S points to an instance of the interpolation structure.
AnnaBridge 156:ff21514d8981 7047 * @param[in] X interpolation coordinate in 12.20 format.
AnnaBridge 156:ff21514d8981 7048 * @param[in] Y interpolation coordinate in 12.20 format.
AnnaBridge 156:ff21514d8981 7049 * @return out interpolated value.
AnnaBridge 156:ff21514d8981 7050 */
AnnaBridge 156:ff21514d8981 7051 CMSIS_INLINE __STATIC_INLINE q7_t arm_bilinear_interp_q7(
AnnaBridge 156:ff21514d8981 7052 arm_bilinear_interp_instance_q7 * S,
AnnaBridge 156:ff21514d8981 7053 q31_t X,
AnnaBridge 156:ff21514d8981 7054 q31_t Y)
AnnaBridge 156:ff21514d8981 7055 {
AnnaBridge 156:ff21514d8981 7056 q63_t acc = 0; /* output */
AnnaBridge 156:ff21514d8981 7057 q31_t out; /* Temporary output */
AnnaBridge 156:ff21514d8981 7058 q31_t xfract, yfract; /* X, Y fractional parts */
AnnaBridge 156:ff21514d8981 7059 q7_t x1, x2, y1, y2; /* Nearest output values */
AnnaBridge 156:ff21514d8981 7060 int32_t rI, cI; /* Row and column indices */
AnnaBridge 156:ff21514d8981 7061 q7_t *pYData = S->pData; /* pointer to output table values */
AnnaBridge 156:ff21514d8981 7062 uint32_t nCols = S->numCols; /* num of rows */
AnnaBridge 156:ff21514d8981 7063
AnnaBridge 156:ff21514d8981 7064 /* Input is in 12.20 format */
AnnaBridge 156:ff21514d8981 7065 /* 12 bits for the table index */
AnnaBridge 156:ff21514d8981 7066 /* Index value calculation */
AnnaBridge 156:ff21514d8981 7067 rI = ((X & (q31_t)0xFFF00000) >> 20);
AnnaBridge 156:ff21514d8981 7068
AnnaBridge 156:ff21514d8981 7069 /* Input is in 12.20 format */
AnnaBridge 156:ff21514d8981 7070 /* 12 bits for the table index */
AnnaBridge 156:ff21514d8981 7071 /* Index value calculation */
AnnaBridge 156:ff21514d8981 7072 cI = ((Y & (q31_t)0xFFF00000) >> 20);
AnnaBridge 156:ff21514d8981 7073
AnnaBridge 156:ff21514d8981 7074 /* Care taken for table outside boundary */
AnnaBridge 156:ff21514d8981 7075 /* Returns zero output when values are outside table boundary */
AnnaBridge 156:ff21514d8981 7076 if (rI < 0 || rI > (S->numRows - 1) || cI < 0 || cI > (S->numCols - 1))
AnnaBridge 156:ff21514d8981 7077 {
AnnaBridge 156:ff21514d8981 7078 return (0);
AnnaBridge 156:ff21514d8981 7079 }
AnnaBridge 156:ff21514d8981 7080
AnnaBridge 156:ff21514d8981 7081 /* 20 bits for the fractional part */
AnnaBridge 156:ff21514d8981 7082 /* xfract should be in 12.20 format */
AnnaBridge 156:ff21514d8981 7083 xfract = (X & (q31_t)0x000FFFFF);
AnnaBridge 156:ff21514d8981 7084
AnnaBridge 156:ff21514d8981 7085 /* Read two nearest output values from the index */
AnnaBridge 156:ff21514d8981 7086 x1 = pYData[((uint32_t)rI) + nCols * ((uint32_t)cI) ];
AnnaBridge 156:ff21514d8981 7087 x2 = pYData[((uint32_t)rI) + nCols * ((uint32_t)cI) + 1];
AnnaBridge 156:ff21514d8981 7088
AnnaBridge 156:ff21514d8981 7089 /* 20 bits for the fractional part */
AnnaBridge 156:ff21514d8981 7090 /* yfract should be in 12.20 format */
AnnaBridge 156:ff21514d8981 7091 yfract = (Y & (q31_t)0x000FFFFF);
AnnaBridge 156:ff21514d8981 7092
AnnaBridge 156:ff21514d8981 7093 /* Read two nearest output values from the index */
AnnaBridge 156:ff21514d8981 7094 y1 = pYData[((uint32_t)rI) + nCols * ((uint32_t)cI + 1) ];
AnnaBridge 156:ff21514d8981 7095 y2 = pYData[((uint32_t)rI) + nCols * ((uint32_t)cI + 1) + 1];
AnnaBridge 156:ff21514d8981 7096
AnnaBridge 156:ff21514d8981 7097 /* Calculation of x1 * (1-xfract ) * (1-yfract) and acc is in 16.47 format */
AnnaBridge 156:ff21514d8981 7098 out = ((x1 * (0xFFFFF - xfract)));
AnnaBridge 156:ff21514d8981 7099 acc = (((q63_t) out * (0xFFFFF - yfract)));
AnnaBridge 156:ff21514d8981 7100
AnnaBridge 156:ff21514d8981 7101 /* x2 * (xfract) * (1-yfract) in 2.22 and adding to acc */
AnnaBridge 156:ff21514d8981 7102 out = ((x2 * (0xFFFFF - yfract)));
AnnaBridge 156:ff21514d8981 7103 acc += (((q63_t) out * (xfract)));
AnnaBridge 156:ff21514d8981 7104
AnnaBridge 156:ff21514d8981 7105 /* y1 * (1 - xfract) * (yfract) in 2.22 and adding to acc */
AnnaBridge 156:ff21514d8981 7106 out = ((y1 * (0xFFFFF - xfract)));
AnnaBridge 156:ff21514d8981 7107 acc += (((q63_t) out * (yfract)));
AnnaBridge 156:ff21514d8981 7108
AnnaBridge 156:ff21514d8981 7109 /* y2 * (xfract) * (yfract) in 2.22 and adding to acc */
AnnaBridge 156:ff21514d8981 7110 out = ((y2 * (yfract)));
AnnaBridge 156:ff21514d8981 7111 acc += (((q63_t) out * (xfract)));
AnnaBridge 156:ff21514d8981 7112
AnnaBridge 156:ff21514d8981 7113 /* acc in 16.47 format and down shift by 40 to convert to 1.7 format */
AnnaBridge 156:ff21514d8981 7114 return ((q7_t)(acc >> 40));
AnnaBridge 156:ff21514d8981 7115 }
AnnaBridge 156:ff21514d8981 7116
AnnaBridge 156:ff21514d8981 7117 /**
AnnaBridge 156:ff21514d8981 7118 * @} end of BilinearInterpolate group
AnnaBridge 156:ff21514d8981 7119 */
AnnaBridge 156:ff21514d8981 7120
AnnaBridge 156:ff21514d8981 7121
AnnaBridge 156:ff21514d8981 7122 /* SMMLAR */
AnnaBridge 156:ff21514d8981 7123 #define multAcc_32x32_keep32_R(a, x, y) \
AnnaBridge 156:ff21514d8981 7124 a = (q31_t) (((((q63_t) a) << 32) + ((q63_t) x * y) + 0x80000000LL ) >> 32)
AnnaBridge 156:ff21514d8981 7125
AnnaBridge 156:ff21514d8981 7126 /* SMMLSR */
AnnaBridge 156:ff21514d8981 7127 #define multSub_32x32_keep32_R(a, x, y) \
AnnaBridge 156:ff21514d8981 7128 a = (q31_t) (((((q63_t) a) << 32) - ((q63_t) x * y) + 0x80000000LL ) >> 32)
AnnaBridge 156:ff21514d8981 7129
AnnaBridge 156:ff21514d8981 7130 /* SMMULR */
AnnaBridge 156:ff21514d8981 7131 #define mult_32x32_keep32_R(a, x, y) \
AnnaBridge 156:ff21514d8981 7132 a = (q31_t) (((q63_t) x * y + 0x80000000LL ) >> 32)
AnnaBridge 156:ff21514d8981 7133
AnnaBridge 156:ff21514d8981 7134 /* SMMLA */
AnnaBridge 156:ff21514d8981 7135 #define multAcc_32x32_keep32(a, x, y) \
AnnaBridge 156:ff21514d8981 7136 a += (q31_t) (((q63_t) x * y) >> 32)
AnnaBridge 156:ff21514d8981 7137
AnnaBridge 156:ff21514d8981 7138 /* SMMLS */
AnnaBridge 156:ff21514d8981 7139 #define multSub_32x32_keep32(a, x, y) \
AnnaBridge 156:ff21514d8981 7140 a -= (q31_t) (((q63_t) x * y) >> 32)
AnnaBridge 156:ff21514d8981 7141
AnnaBridge 156:ff21514d8981 7142 /* SMMUL */
AnnaBridge 156:ff21514d8981 7143 #define mult_32x32_keep32(a, x, y) \
AnnaBridge 156:ff21514d8981 7144 a = (q31_t) (((q63_t) x * y ) >> 32)
AnnaBridge 156:ff21514d8981 7145
AnnaBridge 156:ff21514d8981 7146
AnnaBridge 156:ff21514d8981 7147 #if defined ( __CC_ARM )
AnnaBridge 156:ff21514d8981 7148 /* Enter low optimization region - place directly above function definition */
AnnaBridge 156:ff21514d8981 7149 #if defined( ARM_MATH_CM4 ) || defined( ARM_MATH_CM7)
AnnaBridge 156:ff21514d8981 7150 #define LOW_OPTIMIZATION_ENTER \
AnnaBridge 156:ff21514d8981 7151 _Pragma ("push") \
AnnaBridge 156:ff21514d8981 7152 _Pragma ("O1")
AnnaBridge 156:ff21514d8981 7153 #else
AnnaBridge 156:ff21514d8981 7154 #define LOW_OPTIMIZATION_ENTER
AnnaBridge 156:ff21514d8981 7155 #endif
AnnaBridge 156:ff21514d8981 7156
AnnaBridge 156:ff21514d8981 7157 /* Exit low optimization region - place directly after end of function definition */
AnnaBridge 156:ff21514d8981 7158 #if defined ( ARM_MATH_CM4 ) || defined ( ARM_MATH_CM7 )
AnnaBridge 156:ff21514d8981 7159 #define LOW_OPTIMIZATION_EXIT \
AnnaBridge 156:ff21514d8981 7160 _Pragma ("pop")
AnnaBridge 156:ff21514d8981 7161 #else
AnnaBridge 156:ff21514d8981 7162 #define LOW_OPTIMIZATION_EXIT
AnnaBridge 156:ff21514d8981 7163 #endif
AnnaBridge 156:ff21514d8981 7164
AnnaBridge 156:ff21514d8981 7165 /* Enter low optimization region - place directly above function definition */
AnnaBridge 156:ff21514d8981 7166 #define IAR_ONLY_LOW_OPTIMIZATION_ENTER
AnnaBridge 156:ff21514d8981 7167
AnnaBridge 156:ff21514d8981 7168 /* Exit low optimization region - place directly after end of function definition */
AnnaBridge 156:ff21514d8981 7169 #define IAR_ONLY_LOW_OPTIMIZATION_EXIT
AnnaBridge 156:ff21514d8981 7170
AnnaBridge 156:ff21514d8981 7171 #elif defined (__ARMCC_VERSION ) && ( __ARMCC_VERSION >= 6010050 )
AnnaBridge 156:ff21514d8981 7172 #define LOW_OPTIMIZATION_ENTER
AnnaBridge 156:ff21514d8981 7173 #define LOW_OPTIMIZATION_EXIT
AnnaBridge 156:ff21514d8981 7174 #define IAR_ONLY_LOW_OPTIMIZATION_ENTER
AnnaBridge 156:ff21514d8981 7175 #define IAR_ONLY_LOW_OPTIMIZATION_EXIT
AnnaBridge 156:ff21514d8981 7176
AnnaBridge 156:ff21514d8981 7177 #elif defined ( __GNUC__ )
AnnaBridge 156:ff21514d8981 7178 #define LOW_OPTIMIZATION_ENTER \
AnnaBridge 156:ff21514d8981 7179 __attribute__(( optimize("-O1") ))
AnnaBridge 156:ff21514d8981 7180 #define LOW_OPTIMIZATION_EXIT
AnnaBridge 156:ff21514d8981 7181 #define IAR_ONLY_LOW_OPTIMIZATION_ENTER
AnnaBridge 156:ff21514d8981 7182 #define IAR_ONLY_LOW_OPTIMIZATION_EXIT
AnnaBridge 156:ff21514d8981 7183
AnnaBridge 156:ff21514d8981 7184 #elif defined ( __ICCARM__ )
AnnaBridge 156:ff21514d8981 7185 /* Enter low optimization region - place directly above function definition */
AnnaBridge 156:ff21514d8981 7186 #if defined ( ARM_MATH_CM4 ) || defined ( ARM_MATH_CM7 )
AnnaBridge 156:ff21514d8981 7187 #define LOW_OPTIMIZATION_ENTER \
AnnaBridge 156:ff21514d8981 7188 _Pragma ("optimize=low")
AnnaBridge 156:ff21514d8981 7189 #else
AnnaBridge 156:ff21514d8981 7190 #define LOW_OPTIMIZATION_ENTER
AnnaBridge 156:ff21514d8981 7191 #endif
AnnaBridge 156:ff21514d8981 7192
AnnaBridge 156:ff21514d8981 7193 /* Exit low optimization region - place directly after end of function definition */
AnnaBridge 156:ff21514d8981 7194 #define LOW_OPTIMIZATION_EXIT
AnnaBridge 156:ff21514d8981 7195
AnnaBridge 156:ff21514d8981 7196 /* Enter low optimization region - place directly above function definition */
AnnaBridge 156:ff21514d8981 7197 #if defined ( ARM_MATH_CM4 ) || defined ( ARM_MATH_CM7 )
AnnaBridge 156:ff21514d8981 7198 #define IAR_ONLY_LOW_OPTIMIZATION_ENTER \
AnnaBridge 156:ff21514d8981 7199 _Pragma ("optimize=low")
AnnaBridge 156:ff21514d8981 7200 #else
AnnaBridge 156:ff21514d8981 7201 #define IAR_ONLY_LOW_OPTIMIZATION_ENTER
AnnaBridge 156:ff21514d8981 7202 #endif
AnnaBridge 156:ff21514d8981 7203
AnnaBridge 156:ff21514d8981 7204 /* Exit low optimization region - place directly after end of function definition */
AnnaBridge 156:ff21514d8981 7205 #define IAR_ONLY_LOW_OPTIMIZATION_EXIT
AnnaBridge 156:ff21514d8981 7206
AnnaBridge 156:ff21514d8981 7207 #elif defined ( __TI_ARM__ )
AnnaBridge 156:ff21514d8981 7208 #define LOW_OPTIMIZATION_ENTER
AnnaBridge 156:ff21514d8981 7209 #define LOW_OPTIMIZATION_EXIT
AnnaBridge 156:ff21514d8981 7210 #define IAR_ONLY_LOW_OPTIMIZATION_ENTER
AnnaBridge 156:ff21514d8981 7211 #define IAR_ONLY_LOW_OPTIMIZATION_EXIT
AnnaBridge 156:ff21514d8981 7212
AnnaBridge 156:ff21514d8981 7213 #elif defined ( __CSMC__ )
AnnaBridge 156:ff21514d8981 7214 #define LOW_OPTIMIZATION_ENTER
AnnaBridge 156:ff21514d8981 7215 #define LOW_OPTIMIZATION_EXIT
AnnaBridge 156:ff21514d8981 7216 #define IAR_ONLY_LOW_OPTIMIZATION_ENTER
AnnaBridge 156:ff21514d8981 7217 #define IAR_ONLY_LOW_OPTIMIZATION_EXIT
AnnaBridge 156:ff21514d8981 7218
AnnaBridge 156:ff21514d8981 7219 #elif defined ( __TASKING__ )
AnnaBridge 156:ff21514d8981 7220 #define LOW_OPTIMIZATION_ENTER
AnnaBridge 156:ff21514d8981 7221 #define LOW_OPTIMIZATION_EXIT
AnnaBridge 156:ff21514d8981 7222 #define IAR_ONLY_LOW_OPTIMIZATION_ENTER
AnnaBridge 156:ff21514d8981 7223 #define IAR_ONLY_LOW_OPTIMIZATION_EXIT
AnnaBridge 156:ff21514d8981 7224
AnnaBridge 156:ff21514d8981 7225 #endif
AnnaBridge 156:ff21514d8981 7226
AnnaBridge 156:ff21514d8981 7227
AnnaBridge 156:ff21514d8981 7228 #ifdef __cplusplus
AnnaBridge 156:ff21514d8981 7229 }
AnnaBridge 156:ff21514d8981 7230 #endif
AnnaBridge 156:ff21514d8981 7231
AnnaBridge 156:ff21514d8981 7232 /* Compiler specific diagnostic adjustment */
AnnaBridge 156:ff21514d8981 7233 #if defined ( __CC_ARM )
AnnaBridge 156:ff21514d8981 7234
AnnaBridge 156:ff21514d8981 7235 #elif defined ( __ARMCC_VERSION ) && ( __ARMCC_VERSION >= 6010050 )
AnnaBridge 156:ff21514d8981 7236
AnnaBridge 156:ff21514d8981 7237 #elif defined ( __GNUC__ )
AnnaBridge 156:ff21514d8981 7238 #pragma GCC diagnostic pop
AnnaBridge 156:ff21514d8981 7239
AnnaBridge 156:ff21514d8981 7240 #elif defined ( __ICCARM__ )
AnnaBridge 156:ff21514d8981 7241
AnnaBridge 156:ff21514d8981 7242 #elif defined ( __TI_ARM__ )
AnnaBridge 156:ff21514d8981 7243
AnnaBridge 156:ff21514d8981 7244 #elif defined ( __CSMC__ )
AnnaBridge 156:ff21514d8981 7245
AnnaBridge 156:ff21514d8981 7246 #elif defined ( __TASKING__ )
AnnaBridge 156:ff21514d8981 7247
AnnaBridge 156:ff21514d8981 7248 #else
AnnaBridge 156:ff21514d8981 7249 #error Unknown compiler
AnnaBridge 156:ff21514d8981 7250 #endif
AnnaBridge 156:ff21514d8981 7251
AnnaBridge 156:ff21514d8981 7252 #endif /* _ARM_MATH_H */
AnnaBridge 156:ff21514d8981 7253
AnnaBridge 156:ff21514d8981 7254 /**
AnnaBridge 156:ff21514d8981 7255 *
AnnaBridge 156:ff21514d8981 7256 * End of file.
AnnaBridge 156:ff21514d8981 7257 */