CMSIS DSP library
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cmsis_dsp/arm_math.h@3:7a284390b0ce, 2013-11-08 (annotated)
- Committer:
- mbed_official
- Date:
- Fri Nov 08 13:45:10 2013 +0000
- Revision:
- 3:7a284390b0ce
- Parent:
- 2:da51fb522205
Synchronized with git revision e69956aba2f68a2a26ac26b051f8d349deaa1ce8
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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mbed_official | 3:7a284390b0ce | 1 | /* ---------------------------------------------------------------------- |
mbed_official | 3:7a284390b0ce | 2 | * Copyright (C) 2010-2013 ARM Limited. All rights reserved. |
mbed_official | 3:7a284390b0ce | 3 | * |
mbed_official | 3:7a284390b0ce | 4 | * $Date: 17. January 2013 |
mbed_official | 3:7a284390b0ce | 5 | * $Revision: V1.4.1 |
mbed_official | 3:7a284390b0ce | 6 | * |
mbed_official | 3:7a284390b0ce | 7 | * Project: CMSIS DSP Library |
mbed_official | 3:7a284390b0ce | 8 | * Title: arm_math.h |
mbed_official | 3:7a284390b0ce | 9 | * |
mbed_official | 3:7a284390b0ce | 10 | * Description: Public header file for CMSIS DSP Library |
mbed_official | 3:7a284390b0ce | 11 | * |
mbed_official | 3:7a284390b0ce | 12 | * Target Processor: Cortex-M4/Cortex-M3/Cortex-M0 |
mbed_official | 3:7a284390b0ce | 13 | * |
mbed_official | 3:7a284390b0ce | 14 | * Redistribution and use in source and binary forms, with or without |
mbed_official | 3:7a284390b0ce | 15 | * modification, are permitted provided that the following conditions |
mbed_official | 3:7a284390b0ce | 16 | * are met: |
mbed_official | 3:7a284390b0ce | 17 | * - Redistributions of source code must retain the above copyright |
mbed_official | 3:7a284390b0ce | 18 | * notice, this list of conditions and the following disclaimer. |
mbed_official | 3:7a284390b0ce | 19 | * - Redistributions in binary form must reproduce the above copyright |
mbed_official | 3:7a284390b0ce | 20 | * notice, this list of conditions and the following disclaimer in |
mbed_official | 3:7a284390b0ce | 21 | * the documentation and/or other materials provided with the |
mbed_official | 3:7a284390b0ce | 22 | * distribution. |
mbed_official | 3:7a284390b0ce | 23 | * - Neither the name of ARM LIMITED nor the names of its contributors |
mbed_official | 3:7a284390b0ce | 24 | * may be used to endorse or promote products derived from this |
mbed_official | 3:7a284390b0ce | 25 | * software without specific prior written permission. |
mbed_official | 3:7a284390b0ce | 26 | * |
mbed_official | 3:7a284390b0ce | 27 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
mbed_official | 3:7a284390b0ce | 28 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
mbed_official | 3:7a284390b0ce | 29 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
mbed_official | 3:7a284390b0ce | 30 | * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
mbed_official | 3:7a284390b0ce | 31 | * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
mbed_official | 3:7a284390b0ce | 32 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
mbed_official | 3:7a284390b0ce | 33 | * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
mbed_official | 3:7a284390b0ce | 34 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
mbed_official | 3:7a284390b0ce | 35 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
mbed_official | 3:7a284390b0ce | 36 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
mbed_official | 3:7a284390b0ce | 37 | * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
mbed_official | 3:7a284390b0ce | 38 | * POSSIBILITY OF SUCH DAMAGE. |
emilmont | 1:fdd22bb7aa52 | 39 | * -------------------------------------------------------------------- */ |
emilmont | 1:fdd22bb7aa52 | 40 | |
emilmont | 1:fdd22bb7aa52 | 41 | /** |
emilmont | 1:fdd22bb7aa52 | 42 | \mainpage CMSIS DSP Software Library |
emilmont | 1:fdd22bb7aa52 | 43 | * |
emilmont | 1:fdd22bb7aa52 | 44 | * <b>Introduction</b> |
emilmont | 1:fdd22bb7aa52 | 45 | * |
mbed_official | 3:7a284390b0ce | 46 | * This user manual describes the CMSIS DSP software library, |
emilmont | 1:fdd22bb7aa52 | 47 | * a suite of common signal processing functions for use on Cortex-M processor based devices. |
emilmont | 1:fdd22bb7aa52 | 48 | * |
mbed_official | 3:7a284390b0ce | 49 | * The library is divided into a number of functions each covering a specific category: |
emilmont | 1:fdd22bb7aa52 | 50 | * - Basic math functions |
emilmont | 1:fdd22bb7aa52 | 51 | * - Fast math functions |
emilmont | 1:fdd22bb7aa52 | 52 | * - Complex math functions |
emilmont | 1:fdd22bb7aa52 | 53 | * - Filters |
emilmont | 1:fdd22bb7aa52 | 54 | * - Matrix functions |
emilmont | 1:fdd22bb7aa52 | 55 | * - Transforms |
emilmont | 1:fdd22bb7aa52 | 56 | * - Motor control functions |
emilmont | 1:fdd22bb7aa52 | 57 | * - Statistical functions |
emilmont | 1:fdd22bb7aa52 | 58 | * - Support functions |
emilmont | 1:fdd22bb7aa52 | 59 | * - Interpolation functions |
emilmont | 1:fdd22bb7aa52 | 60 | * |
emilmont | 1:fdd22bb7aa52 | 61 | * The library has separate functions for operating on 8-bit integers, 16-bit integers, |
mbed_official | 3:7a284390b0ce | 62 | * 32-bit integer and 32-bit floating-point values. |
emilmont | 1:fdd22bb7aa52 | 63 | * |
emilmont | 1:fdd22bb7aa52 | 64 | * <b>Using the Library</b> |
emilmont | 1:fdd22bb7aa52 | 65 | * |
emilmont | 1:fdd22bb7aa52 | 66 | * The library installer contains prebuilt versions of the libraries in the <code>Lib</code> folder. |
emilmont | 1:fdd22bb7aa52 | 67 | * - arm_cortexM4lf_math.lib (Little endian and Floating Point Unit on Cortex-M4) |
emilmont | 1:fdd22bb7aa52 | 68 | * - arm_cortexM4bf_math.lib (Big endian and Floating Point Unit on Cortex-M4) |
emilmont | 1:fdd22bb7aa52 | 69 | * - arm_cortexM4l_math.lib (Little endian on Cortex-M4) |
emilmont | 1:fdd22bb7aa52 | 70 | * - arm_cortexM4b_math.lib (Big endian on Cortex-M4) |
emilmont | 1:fdd22bb7aa52 | 71 | * - arm_cortexM3l_math.lib (Little endian on Cortex-M3) |
emilmont | 1:fdd22bb7aa52 | 72 | * - arm_cortexM3b_math.lib (Big endian on Cortex-M3) |
emilmont | 1:fdd22bb7aa52 | 73 | * - arm_cortexM0l_math.lib (Little endian on Cortex-M0) |
emilmont | 1:fdd22bb7aa52 | 74 | * - arm_cortexM0b_math.lib (Big endian on Cortex-M3) |
emilmont | 1:fdd22bb7aa52 | 75 | * |
emilmont | 1:fdd22bb7aa52 | 76 | * The library functions are declared in the public file <code>arm_math.h</code> which is placed in the <code>Include</code> folder. |
mbed_official | 3:7a284390b0ce | 77 | * Simply include this file and link the appropriate library in the application and begin calling the library functions. The Library supports single |
mbed_official | 3:7a284390b0ce | 78 | * public header file <code> arm_math.h</code> for Cortex-M4/M3/M0 with little endian and big endian. Same header file will be used for floating point unit(FPU) variants. |
mbed_official | 3:7a284390b0ce | 79 | * Define the appropriate pre processor MACRO ARM_MATH_CM4 or ARM_MATH_CM3 or |
mbed_official | 3:7a284390b0ce | 80 | * ARM_MATH_CM0 or ARM_MATH_CM0PLUS depending on the target processor in the application. |
emilmont | 1:fdd22bb7aa52 | 81 | * |
emilmont | 1:fdd22bb7aa52 | 82 | * <b>Examples</b> |
emilmont | 1:fdd22bb7aa52 | 83 | * |
emilmont | 1:fdd22bb7aa52 | 84 | * The library ships with a number of examples which demonstrate how to use the library functions. |
emilmont | 1:fdd22bb7aa52 | 85 | * |
mbed_official | 3:7a284390b0ce | 86 | * <b>Toolchain Support</b> |
mbed_official | 3:7a284390b0ce | 87 | * |
mbed_official | 3:7a284390b0ce | 88 | * The library has been developed and tested with MDK-ARM version 4.60. |
mbed_official | 3:7a284390b0ce | 89 | * The library is being tested in GCC and IAR toolchains and updates on this activity will be made available shortly. |
mbed_official | 3:7a284390b0ce | 90 | * |
emilmont | 1:fdd22bb7aa52 | 91 | * <b>Building the Library</b> |
emilmont | 1:fdd22bb7aa52 | 92 | * |
emilmont | 1:fdd22bb7aa52 | 93 | * The library installer contains project files to re build libraries on MDK Tool chain in the <code>CMSIS\\DSP_Lib\\Source\\ARM</code> folder. |
emilmont | 1:fdd22bb7aa52 | 94 | * - arm_cortexM0b_math.uvproj |
emilmont | 1:fdd22bb7aa52 | 95 | * - arm_cortexM0l_math.uvproj |
emilmont | 1:fdd22bb7aa52 | 96 | * - arm_cortexM3b_math.uvproj |
mbed_official | 3:7a284390b0ce | 97 | * - arm_cortexM3l_math.uvproj |
emilmont | 1:fdd22bb7aa52 | 98 | * - arm_cortexM4b_math.uvproj |
emilmont | 1:fdd22bb7aa52 | 99 | * - arm_cortexM4l_math.uvproj |
emilmont | 1:fdd22bb7aa52 | 100 | * - arm_cortexM4bf_math.uvproj |
emilmont | 1:fdd22bb7aa52 | 101 | * - arm_cortexM4lf_math.uvproj |
emilmont | 1:fdd22bb7aa52 | 102 | * |
emilmont | 1:fdd22bb7aa52 | 103 | * |
mbed_official | 3:7a284390b0ce | 104 | * The project can be built by opening the appropriate project in MDK-ARM 4.60 chain and defining the optional pre processor MACROs detailed above. |
mbed_official | 3:7a284390b0ce | 105 | * |
mbed_official | 3:7a284390b0ce | 106 | * <b>Pre-processor Macros</b> |
mbed_official | 3:7a284390b0ce | 107 | * |
mbed_official | 3:7a284390b0ce | 108 | * Each library project have differant pre-processor macros. |
mbed_official | 3:7a284390b0ce | 109 | * |
mbed_official | 3:7a284390b0ce | 110 | * - UNALIGNED_SUPPORT_DISABLE: |
mbed_official | 3:7a284390b0ce | 111 | * |
mbed_official | 3:7a284390b0ce | 112 | * Define macro UNALIGNED_SUPPORT_DISABLE, If the silicon does not support unaligned memory access |
mbed_official | 3:7a284390b0ce | 113 | * |
mbed_official | 3:7a284390b0ce | 114 | * - ARM_MATH_BIG_ENDIAN: |
mbed_official | 3:7a284390b0ce | 115 | * |
mbed_official | 3:7a284390b0ce | 116 | * Define macro ARM_MATH_BIG_ENDIAN to build the library for big endian targets. By default library builds for little endian targets. |
mbed_official | 3:7a284390b0ce | 117 | * |
mbed_official | 3:7a284390b0ce | 118 | * - ARM_MATH_MATRIX_CHECK: |
mbed_official | 3:7a284390b0ce | 119 | * |
mbed_official | 3:7a284390b0ce | 120 | * Define macro ARM_MATH_MATRIX_CHECK for checking on the input and output sizes of matrices |
mbed_official | 3:7a284390b0ce | 121 | * |
mbed_official | 3:7a284390b0ce | 122 | * - ARM_MATH_ROUNDING: |
mbed_official | 3:7a284390b0ce | 123 | * |
mbed_official | 3:7a284390b0ce | 124 | * Define macro ARM_MATH_ROUNDING for rounding on support functions |
mbed_official | 3:7a284390b0ce | 125 | * |
mbed_official | 3:7a284390b0ce | 126 | * - ARM_MATH_CMx: |
mbed_official | 3:7a284390b0ce | 127 | * |
mbed_official | 3:7a284390b0ce | 128 | * Define macro ARM_MATH_CM4 for building the library on Cortex-M4 target, ARM_MATH_CM3 for building library on Cortex-M3 target |
mbed_official | 3:7a284390b0ce | 129 | * and ARM_MATH_CM0 for building library on cortex-M0 target, ARM_MATH_CM0PLUS for building library on cortex-M0+ target. |
mbed_official | 3:7a284390b0ce | 130 | * |
mbed_official | 3:7a284390b0ce | 131 | * - __FPU_PRESENT: |
mbed_official | 3:7a284390b0ce | 132 | * |
mbed_official | 3:7a284390b0ce | 133 | * Initialize macro __FPU_PRESENT = 1 when building on FPU supported Targets. Enable this macro for M4bf and M4lf libraries |
emilmont | 1:fdd22bb7aa52 | 134 | * |
emilmont | 1:fdd22bb7aa52 | 135 | * <b>Copyright Notice</b> |
emilmont | 1:fdd22bb7aa52 | 136 | * |
mbed_official | 3:7a284390b0ce | 137 | * Copyright (C) 2010-2013 ARM Limited. All rights reserved. |
emilmont | 1:fdd22bb7aa52 | 138 | */ |
emilmont | 1:fdd22bb7aa52 | 139 | |
emilmont | 1:fdd22bb7aa52 | 140 | |
emilmont | 1:fdd22bb7aa52 | 141 | /** |
emilmont | 1:fdd22bb7aa52 | 142 | * @defgroup groupMath Basic Math Functions |
emilmont | 1:fdd22bb7aa52 | 143 | */ |
emilmont | 1:fdd22bb7aa52 | 144 | |
emilmont | 1:fdd22bb7aa52 | 145 | /** |
emilmont | 1:fdd22bb7aa52 | 146 | * @defgroup groupFastMath Fast Math Functions |
emilmont | 1:fdd22bb7aa52 | 147 | * This set of functions provides a fast approximation to sine, cosine, and square root. |
emilmont | 1:fdd22bb7aa52 | 148 | * As compared to most of the other functions in the CMSIS math library, the fast math functions |
emilmont | 1:fdd22bb7aa52 | 149 | * operate on individual values and not arrays. |
emilmont | 1:fdd22bb7aa52 | 150 | * There are separate functions for Q15, Q31, and floating-point data. |
emilmont | 1:fdd22bb7aa52 | 151 | * |
emilmont | 1:fdd22bb7aa52 | 152 | */ |
emilmont | 1:fdd22bb7aa52 | 153 | |
emilmont | 1:fdd22bb7aa52 | 154 | /** |
emilmont | 1:fdd22bb7aa52 | 155 | * @defgroup groupCmplxMath Complex Math Functions |
emilmont | 1:fdd22bb7aa52 | 156 | * This set of functions operates on complex data vectors. |
emilmont | 1:fdd22bb7aa52 | 157 | * The data in the complex arrays is stored in an interleaved fashion |
emilmont | 1:fdd22bb7aa52 | 158 | * (real, imag, real, imag, ...). |
emilmont | 1:fdd22bb7aa52 | 159 | * In the API functions, the number of samples in a complex array refers |
emilmont | 1:fdd22bb7aa52 | 160 | * to the number of complex values; the array contains twice this number of |
emilmont | 1:fdd22bb7aa52 | 161 | * real values. |
emilmont | 1:fdd22bb7aa52 | 162 | */ |
emilmont | 1:fdd22bb7aa52 | 163 | |
emilmont | 1:fdd22bb7aa52 | 164 | /** |
emilmont | 1:fdd22bb7aa52 | 165 | * @defgroup groupFilters Filtering Functions |
emilmont | 1:fdd22bb7aa52 | 166 | */ |
emilmont | 1:fdd22bb7aa52 | 167 | |
emilmont | 1:fdd22bb7aa52 | 168 | /** |
emilmont | 1:fdd22bb7aa52 | 169 | * @defgroup groupMatrix Matrix Functions |
emilmont | 1:fdd22bb7aa52 | 170 | * |
emilmont | 1:fdd22bb7aa52 | 171 | * This set of functions provides basic matrix math operations. |
emilmont | 1:fdd22bb7aa52 | 172 | * The functions operate on matrix data structures. For example, |
emilmont | 1:fdd22bb7aa52 | 173 | * the type |
emilmont | 1:fdd22bb7aa52 | 174 | * definition for the floating-point matrix structure is shown |
emilmont | 1:fdd22bb7aa52 | 175 | * below: |
emilmont | 1:fdd22bb7aa52 | 176 | * <pre> |
emilmont | 1:fdd22bb7aa52 | 177 | * typedef struct |
emilmont | 1:fdd22bb7aa52 | 178 | * { |
emilmont | 1:fdd22bb7aa52 | 179 | * uint16_t numRows; // number of rows of the matrix. |
emilmont | 1:fdd22bb7aa52 | 180 | * uint16_t numCols; // number of columns of the matrix. |
emilmont | 1:fdd22bb7aa52 | 181 | * float32_t *pData; // points to the data of the matrix. |
emilmont | 1:fdd22bb7aa52 | 182 | * } arm_matrix_instance_f32; |
emilmont | 1:fdd22bb7aa52 | 183 | * </pre> |
emilmont | 1:fdd22bb7aa52 | 184 | * There are similar definitions for Q15 and Q31 data types. |
emilmont | 1:fdd22bb7aa52 | 185 | * |
emilmont | 1:fdd22bb7aa52 | 186 | * The structure specifies the size of the matrix and then points to |
emilmont | 1:fdd22bb7aa52 | 187 | * an array of data. The array is of size <code>numRows X numCols</code> |
emilmont | 1:fdd22bb7aa52 | 188 | * and the values are arranged in row order. That is, the |
emilmont | 1:fdd22bb7aa52 | 189 | * matrix element (i, j) is stored at: |
emilmont | 1:fdd22bb7aa52 | 190 | * <pre> |
emilmont | 1:fdd22bb7aa52 | 191 | * pData[i*numCols + j] |
emilmont | 1:fdd22bb7aa52 | 192 | * </pre> |
emilmont | 1:fdd22bb7aa52 | 193 | * |
emilmont | 1:fdd22bb7aa52 | 194 | * \par Init Functions |
emilmont | 1:fdd22bb7aa52 | 195 | * There is an associated initialization function for each type of matrix |
emilmont | 1:fdd22bb7aa52 | 196 | * data structure. |
emilmont | 1:fdd22bb7aa52 | 197 | * The initialization function sets the values of the internal structure fields. |
emilmont | 1:fdd22bb7aa52 | 198 | * Refer to the function <code>arm_mat_init_f32()</code>, <code>arm_mat_init_q31()</code> |
emilmont | 1:fdd22bb7aa52 | 199 | * and <code>arm_mat_init_q15()</code> for floating-point, Q31 and Q15 types, respectively. |
emilmont | 1:fdd22bb7aa52 | 200 | * |
emilmont | 1:fdd22bb7aa52 | 201 | * \par |
emilmont | 1:fdd22bb7aa52 | 202 | * Use of the initialization function is optional. However, if initialization function is used |
emilmont | 1:fdd22bb7aa52 | 203 | * then the instance structure cannot be placed into a const data section. |
emilmont | 1:fdd22bb7aa52 | 204 | * To place the instance structure in a const data |
emilmont | 1:fdd22bb7aa52 | 205 | * section, manually initialize the data structure. For example: |
emilmont | 1:fdd22bb7aa52 | 206 | * <pre> |
emilmont | 1:fdd22bb7aa52 | 207 | * <code>arm_matrix_instance_f32 S = {nRows, nColumns, pData};</code> |
emilmont | 1:fdd22bb7aa52 | 208 | * <code>arm_matrix_instance_q31 S = {nRows, nColumns, pData};</code> |
emilmont | 1:fdd22bb7aa52 | 209 | * <code>arm_matrix_instance_q15 S = {nRows, nColumns, pData};</code> |
emilmont | 1:fdd22bb7aa52 | 210 | * </pre> |
emilmont | 1:fdd22bb7aa52 | 211 | * where <code>nRows</code> specifies the number of rows, <code>nColumns</code> |
emilmont | 1:fdd22bb7aa52 | 212 | * specifies the number of columns, and <code>pData</code> points to the |
emilmont | 1:fdd22bb7aa52 | 213 | * data array. |
emilmont | 1:fdd22bb7aa52 | 214 | * |
emilmont | 1:fdd22bb7aa52 | 215 | * \par Size Checking |
emilmont | 1:fdd22bb7aa52 | 216 | * By default all of the matrix functions perform size checking on the input and |
emilmont | 1:fdd22bb7aa52 | 217 | * output matrices. For example, the matrix addition function verifies that the |
emilmont | 1:fdd22bb7aa52 | 218 | * two input matrices and the output matrix all have the same number of rows and |
emilmont | 1:fdd22bb7aa52 | 219 | * columns. If the size check fails the functions return: |
emilmont | 1:fdd22bb7aa52 | 220 | * <pre> |
emilmont | 1:fdd22bb7aa52 | 221 | * ARM_MATH_SIZE_MISMATCH |
emilmont | 1:fdd22bb7aa52 | 222 | * </pre> |
emilmont | 1:fdd22bb7aa52 | 223 | * Otherwise the functions return |
emilmont | 1:fdd22bb7aa52 | 224 | * <pre> |
emilmont | 1:fdd22bb7aa52 | 225 | * ARM_MATH_SUCCESS |
emilmont | 1:fdd22bb7aa52 | 226 | * </pre> |
emilmont | 1:fdd22bb7aa52 | 227 | * There is some overhead associated with this matrix size checking. |
emilmont | 1:fdd22bb7aa52 | 228 | * The matrix size checking is enabled via the \#define |
emilmont | 1:fdd22bb7aa52 | 229 | * <pre> |
emilmont | 1:fdd22bb7aa52 | 230 | * ARM_MATH_MATRIX_CHECK |
emilmont | 1:fdd22bb7aa52 | 231 | * </pre> |
emilmont | 1:fdd22bb7aa52 | 232 | * within the library project settings. By default this macro is defined |
emilmont | 1:fdd22bb7aa52 | 233 | * and size checking is enabled. By changing the project settings and |
emilmont | 1:fdd22bb7aa52 | 234 | * undefining this macro size checking is eliminated and the functions |
emilmont | 1:fdd22bb7aa52 | 235 | * run a bit faster. With size checking disabled the functions always |
emilmont | 1:fdd22bb7aa52 | 236 | * return <code>ARM_MATH_SUCCESS</code>. |
emilmont | 1:fdd22bb7aa52 | 237 | */ |
emilmont | 1:fdd22bb7aa52 | 238 | |
emilmont | 1:fdd22bb7aa52 | 239 | /** |
emilmont | 1:fdd22bb7aa52 | 240 | * @defgroup groupTransforms Transform Functions |
emilmont | 1:fdd22bb7aa52 | 241 | */ |
emilmont | 1:fdd22bb7aa52 | 242 | |
emilmont | 1:fdd22bb7aa52 | 243 | /** |
emilmont | 1:fdd22bb7aa52 | 244 | * @defgroup groupController Controller Functions |
emilmont | 1:fdd22bb7aa52 | 245 | */ |
emilmont | 1:fdd22bb7aa52 | 246 | |
emilmont | 1:fdd22bb7aa52 | 247 | /** |
emilmont | 1:fdd22bb7aa52 | 248 | * @defgroup groupStats Statistics Functions |
emilmont | 1:fdd22bb7aa52 | 249 | */ |
emilmont | 1:fdd22bb7aa52 | 250 | /** |
emilmont | 1:fdd22bb7aa52 | 251 | * @defgroup groupSupport Support Functions |
emilmont | 1:fdd22bb7aa52 | 252 | */ |
emilmont | 1:fdd22bb7aa52 | 253 | |
emilmont | 1:fdd22bb7aa52 | 254 | /** |
emilmont | 1:fdd22bb7aa52 | 255 | * @defgroup groupInterpolation Interpolation Functions |
emilmont | 1:fdd22bb7aa52 | 256 | * These functions perform 1- and 2-dimensional interpolation of data. |
emilmont | 1:fdd22bb7aa52 | 257 | * Linear interpolation is used for 1-dimensional data and |
emilmont | 1:fdd22bb7aa52 | 258 | * bilinear interpolation is used for 2-dimensional data. |
emilmont | 1:fdd22bb7aa52 | 259 | */ |
emilmont | 1:fdd22bb7aa52 | 260 | |
emilmont | 1:fdd22bb7aa52 | 261 | /** |
emilmont | 1:fdd22bb7aa52 | 262 | * @defgroup groupExamples Examples |
emilmont | 1:fdd22bb7aa52 | 263 | */ |
emilmont | 1:fdd22bb7aa52 | 264 | #ifndef _ARM_MATH_H |
emilmont | 1:fdd22bb7aa52 | 265 | #define _ARM_MATH_H |
emilmont | 1:fdd22bb7aa52 | 266 | |
emilmont | 1:fdd22bb7aa52 | 267 | #define __CMSIS_GENERIC /* disable NVIC and Systick functions */ |
emilmont | 1:fdd22bb7aa52 | 268 | |
emilmont | 1:fdd22bb7aa52 | 269 | #if defined (ARM_MATH_CM4) |
emilmont | 1:fdd22bb7aa52 | 270 | #include "core_cm4.h" |
emilmont | 1:fdd22bb7aa52 | 271 | #elif defined (ARM_MATH_CM3) |
emilmont | 1:fdd22bb7aa52 | 272 | #include "core_cm3.h" |
emilmont | 1:fdd22bb7aa52 | 273 | #elif defined (ARM_MATH_CM0) |
emilmont | 1:fdd22bb7aa52 | 274 | #include "core_cm0.h" |
mbed_official | 3:7a284390b0ce | 275 | #define ARM_MATH_CM0_FAMILY |
mbed_official | 3:7a284390b0ce | 276 | #elif defined (ARM_MATH_CM0PLUS) |
mbed_official | 3:7a284390b0ce | 277 | #include "core_cm0plus.h" |
mbed_official | 3:7a284390b0ce | 278 | #define ARM_MATH_CM0_FAMILY |
emilmont | 1:fdd22bb7aa52 | 279 | #else |
emilmont | 1:fdd22bb7aa52 | 280 | #include "ARMCM4.h" |
emilmont | 1:fdd22bb7aa52 | 281 | #warning "Define either ARM_MATH_CM4 OR ARM_MATH_CM3...By Default building on ARM_MATH_CM4....." |
emilmont | 1:fdd22bb7aa52 | 282 | #endif |
emilmont | 1:fdd22bb7aa52 | 283 | |
emilmont | 1:fdd22bb7aa52 | 284 | #undef __CMSIS_GENERIC /* enable NVIC and Systick functions */ |
emilmont | 1:fdd22bb7aa52 | 285 | #include "string.h" |
emilmont | 1:fdd22bb7aa52 | 286 | #include "math.h" |
emilmont | 2:da51fb522205 | 287 | #ifdef __cplusplus |
emilmont | 1:fdd22bb7aa52 | 288 | extern "C" |
emilmont | 1:fdd22bb7aa52 | 289 | { |
emilmont | 1:fdd22bb7aa52 | 290 | #endif |
emilmont | 1:fdd22bb7aa52 | 291 | |
emilmont | 1:fdd22bb7aa52 | 292 | |
emilmont | 1:fdd22bb7aa52 | 293 | /** |
emilmont | 1:fdd22bb7aa52 | 294 | * @brief Macros required for reciprocal calculation in Normalized LMS |
emilmont | 1:fdd22bb7aa52 | 295 | */ |
emilmont | 1:fdd22bb7aa52 | 296 | |
emilmont | 2:da51fb522205 | 297 | #define DELTA_Q31 (0x100) |
emilmont | 2:da51fb522205 | 298 | #define DELTA_Q15 0x5 |
emilmont | 2:da51fb522205 | 299 | #define INDEX_MASK 0x0000003F |
emilmont | 1:fdd22bb7aa52 | 300 | #ifndef PI |
emilmont | 2:da51fb522205 | 301 | #define PI 3.14159265358979f |
emilmont | 1:fdd22bb7aa52 | 302 | #endif |
emilmont | 1:fdd22bb7aa52 | 303 | |
emilmont | 1:fdd22bb7aa52 | 304 | /** |
emilmont | 1:fdd22bb7aa52 | 305 | * @brief Macros required for SINE and COSINE Fast math approximations |
emilmont | 1:fdd22bb7aa52 | 306 | */ |
emilmont | 1:fdd22bb7aa52 | 307 | |
emilmont | 2:da51fb522205 | 308 | #define TABLE_SIZE 256 |
emilmont | 2:da51fb522205 | 309 | #define TABLE_SPACING_Q31 0x800000 |
emilmont | 2:da51fb522205 | 310 | #define TABLE_SPACING_Q15 0x80 |
emilmont | 1:fdd22bb7aa52 | 311 | |
emilmont | 1:fdd22bb7aa52 | 312 | /** |
emilmont | 1:fdd22bb7aa52 | 313 | * @brief Macros required for SINE and COSINE Controller functions |
emilmont | 1:fdd22bb7aa52 | 314 | */ |
emilmont | 1:fdd22bb7aa52 | 315 | /* 1.31(q31) Fixed value of 2/360 */ |
emilmont | 1:fdd22bb7aa52 | 316 | /* -1 to +1 is divided into 360 values so total spacing is (2/360) */ |
emilmont | 2:da51fb522205 | 317 | #define INPUT_SPACING 0xB60B61 |
emilmont | 1:fdd22bb7aa52 | 318 | |
emilmont | 1:fdd22bb7aa52 | 319 | /** |
emilmont | 1:fdd22bb7aa52 | 320 | * @brief Macro for Unaligned Support |
emilmont | 1:fdd22bb7aa52 | 321 | */ |
emilmont | 1:fdd22bb7aa52 | 322 | #ifndef UNALIGNED_SUPPORT_DISABLE |
emilmont | 1:fdd22bb7aa52 | 323 | #define ALIGN4 |
emilmont | 1:fdd22bb7aa52 | 324 | #else |
emilmont | 1:fdd22bb7aa52 | 325 | #if defined (__GNUC__) |
emilmont | 1:fdd22bb7aa52 | 326 | #define ALIGN4 __attribute__((aligned(4))) |
emilmont | 1:fdd22bb7aa52 | 327 | #else |
emilmont | 1:fdd22bb7aa52 | 328 | #define ALIGN4 __align(4) |
emilmont | 1:fdd22bb7aa52 | 329 | #endif |
emilmont | 2:da51fb522205 | 330 | #endif /* #ifndef UNALIGNED_SUPPORT_DISABLE */ |
emilmont | 1:fdd22bb7aa52 | 331 | |
emilmont | 1:fdd22bb7aa52 | 332 | /** |
emilmont | 1:fdd22bb7aa52 | 333 | * @brief Error status returned by some functions in the library. |
emilmont | 1:fdd22bb7aa52 | 334 | */ |
emilmont | 1:fdd22bb7aa52 | 335 | |
emilmont | 1:fdd22bb7aa52 | 336 | typedef enum |
emilmont | 1:fdd22bb7aa52 | 337 | { |
emilmont | 1:fdd22bb7aa52 | 338 | ARM_MATH_SUCCESS = 0, /**< No error */ |
emilmont | 1:fdd22bb7aa52 | 339 | ARM_MATH_ARGUMENT_ERROR = -1, /**< One or more arguments are incorrect */ |
emilmont | 1:fdd22bb7aa52 | 340 | ARM_MATH_LENGTH_ERROR = -2, /**< Length of data buffer is incorrect */ |
emilmont | 1:fdd22bb7aa52 | 341 | ARM_MATH_SIZE_MISMATCH = -3, /**< Size of matrices is not compatible with the operation. */ |
emilmont | 1:fdd22bb7aa52 | 342 | ARM_MATH_NANINF = -4, /**< Not-a-number (NaN) or infinity is generated */ |
emilmont | 1:fdd22bb7aa52 | 343 | ARM_MATH_SINGULAR = -5, /**< Generated by matrix inversion if the input matrix is singular and cannot be inverted. */ |
emilmont | 1:fdd22bb7aa52 | 344 | ARM_MATH_TEST_FAILURE = -6 /**< Test Failed */ |
emilmont | 1:fdd22bb7aa52 | 345 | } arm_status; |
emilmont | 1:fdd22bb7aa52 | 346 | |
emilmont | 1:fdd22bb7aa52 | 347 | /** |
emilmont | 1:fdd22bb7aa52 | 348 | * @brief 8-bit fractional data type in 1.7 format. |
emilmont | 1:fdd22bb7aa52 | 349 | */ |
emilmont | 1:fdd22bb7aa52 | 350 | typedef int8_t q7_t; |
emilmont | 1:fdd22bb7aa52 | 351 | |
emilmont | 1:fdd22bb7aa52 | 352 | /** |
emilmont | 1:fdd22bb7aa52 | 353 | * @brief 16-bit fractional data type in 1.15 format. |
emilmont | 1:fdd22bb7aa52 | 354 | */ |
emilmont | 1:fdd22bb7aa52 | 355 | typedef int16_t q15_t; |
emilmont | 1:fdd22bb7aa52 | 356 | |
emilmont | 1:fdd22bb7aa52 | 357 | /** |
emilmont | 1:fdd22bb7aa52 | 358 | * @brief 32-bit fractional data type in 1.31 format. |
emilmont | 1:fdd22bb7aa52 | 359 | */ |
emilmont | 1:fdd22bb7aa52 | 360 | typedef int32_t q31_t; |
emilmont | 1:fdd22bb7aa52 | 361 | |
emilmont | 1:fdd22bb7aa52 | 362 | /** |
emilmont | 1:fdd22bb7aa52 | 363 | * @brief 64-bit fractional data type in 1.63 format. |
emilmont | 1:fdd22bb7aa52 | 364 | */ |
emilmont | 1:fdd22bb7aa52 | 365 | typedef int64_t q63_t; |
emilmont | 1:fdd22bb7aa52 | 366 | |
emilmont | 1:fdd22bb7aa52 | 367 | /** |
emilmont | 1:fdd22bb7aa52 | 368 | * @brief 32-bit floating-point type definition. |
emilmont | 1:fdd22bb7aa52 | 369 | */ |
emilmont | 1:fdd22bb7aa52 | 370 | typedef float float32_t; |
emilmont | 1:fdd22bb7aa52 | 371 | |
emilmont | 1:fdd22bb7aa52 | 372 | /** |
emilmont | 1:fdd22bb7aa52 | 373 | * @brief 64-bit floating-point type definition. |
emilmont | 1:fdd22bb7aa52 | 374 | */ |
emilmont | 1:fdd22bb7aa52 | 375 | typedef double float64_t; |
emilmont | 1:fdd22bb7aa52 | 376 | |
emilmont | 1:fdd22bb7aa52 | 377 | /** |
emilmont | 1:fdd22bb7aa52 | 378 | * @brief definition to read/write two 16 bit values. |
emilmont | 1:fdd22bb7aa52 | 379 | */ |
mbed_official | 3:7a284390b0ce | 380 | #if defined __CC_ARM |
mbed_official | 3:7a284390b0ce | 381 | #define __SIMD32_TYPE int32_t __packed |
mbed_official | 3:7a284390b0ce | 382 | #define CMSIS_UNUSED __attribute__((unused)) |
mbed_official | 3:7a284390b0ce | 383 | #elif defined __ICCARM__ |
mbed_official | 3:7a284390b0ce | 384 | #define CMSIS_UNUSED |
mbed_official | 3:7a284390b0ce | 385 | #define __SIMD32_TYPE int32_t __packed |
mbed_official | 3:7a284390b0ce | 386 | #elif defined __GNUC__ |
mbed_official | 3:7a284390b0ce | 387 | #define __SIMD32_TYPE int32_t |
mbed_official | 3:7a284390b0ce | 388 | #define CMSIS_UNUSED __attribute__((unused)) |
emilmont | 1:fdd22bb7aa52 | 389 | #else |
mbed_official | 3:7a284390b0ce | 390 | #error Unknown compiler |
mbed_official | 3:7a284390b0ce | 391 | #endif |
mbed_official | 3:7a284390b0ce | 392 | |
mbed_official | 3:7a284390b0ce | 393 | #define __SIMD32(addr) (*(__SIMD32_TYPE **) & (addr)) |
mbed_official | 3:7a284390b0ce | 394 | #define __SIMD32_CONST(addr) ((__SIMD32_TYPE *)(addr)) |
mbed_official | 3:7a284390b0ce | 395 | |
mbed_official | 3:7a284390b0ce | 396 | #define _SIMD32_OFFSET(addr) (*(__SIMD32_TYPE *) (addr)) |
mbed_official | 3:7a284390b0ce | 397 | |
mbed_official | 3:7a284390b0ce | 398 | #define __SIMD64(addr) (*(int64_t **) & (addr)) |
mbed_official | 3:7a284390b0ce | 399 | |
mbed_official | 3:7a284390b0ce | 400 | #if defined (ARM_MATH_CM3) || defined (ARM_MATH_CM0_FAMILY) |
emilmont | 1:fdd22bb7aa52 | 401 | /** |
emilmont | 1:fdd22bb7aa52 | 402 | * @brief definition to pack two 16 bit values. |
emilmont | 1:fdd22bb7aa52 | 403 | */ |
emilmont | 1:fdd22bb7aa52 | 404 | #define __PKHBT(ARG1, ARG2, ARG3) ( (((int32_t)(ARG1) << 0) & (int32_t)0x0000FFFF) | \ |
emilmont | 1:fdd22bb7aa52 | 405 | (((int32_t)(ARG2) << ARG3) & (int32_t)0xFFFF0000) ) |
emilmont | 1:fdd22bb7aa52 | 406 | #define __PKHTB(ARG1, ARG2, ARG3) ( (((int32_t)(ARG1) << 0) & (int32_t)0xFFFF0000) | \ |
emilmont | 1:fdd22bb7aa52 | 407 | (((int32_t)(ARG2) >> ARG3) & (int32_t)0x0000FFFF) ) |
emilmont | 1:fdd22bb7aa52 | 408 | |
emilmont | 1:fdd22bb7aa52 | 409 | #endif |
emilmont | 1:fdd22bb7aa52 | 410 | |
emilmont | 1:fdd22bb7aa52 | 411 | |
emilmont | 1:fdd22bb7aa52 | 412 | /** |
emilmont | 1:fdd22bb7aa52 | 413 | * @brief definition to pack four 8 bit values. |
emilmont | 1:fdd22bb7aa52 | 414 | */ |
emilmont | 1:fdd22bb7aa52 | 415 | #ifndef ARM_MATH_BIG_ENDIAN |
emilmont | 1:fdd22bb7aa52 | 416 | |
emilmont | 2:da51fb522205 | 417 | #define __PACKq7(v0,v1,v2,v3) ( (((int32_t)(v0) << 0) & (int32_t)0x000000FF) | \ |
emilmont | 2:da51fb522205 | 418 | (((int32_t)(v1) << 8) & (int32_t)0x0000FF00) | \ |
emilmont | 2:da51fb522205 | 419 | (((int32_t)(v2) << 16) & (int32_t)0x00FF0000) | \ |
emilmont | 2:da51fb522205 | 420 | (((int32_t)(v3) << 24) & (int32_t)0xFF000000) ) |
emilmont | 1:fdd22bb7aa52 | 421 | #else |
emilmont | 1:fdd22bb7aa52 | 422 | |
emilmont | 2:da51fb522205 | 423 | #define __PACKq7(v0,v1,v2,v3) ( (((int32_t)(v3) << 0) & (int32_t)0x000000FF) | \ |
emilmont | 2:da51fb522205 | 424 | (((int32_t)(v2) << 8) & (int32_t)0x0000FF00) | \ |
emilmont | 2:da51fb522205 | 425 | (((int32_t)(v1) << 16) & (int32_t)0x00FF0000) | \ |
emilmont | 2:da51fb522205 | 426 | (((int32_t)(v0) << 24) & (int32_t)0xFF000000) ) |
emilmont | 1:fdd22bb7aa52 | 427 | |
emilmont | 1:fdd22bb7aa52 | 428 | #endif |
emilmont | 1:fdd22bb7aa52 | 429 | |
emilmont | 1:fdd22bb7aa52 | 430 | |
emilmont | 1:fdd22bb7aa52 | 431 | /** |
emilmont | 1:fdd22bb7aa52 | 432 | * @brief Clips Q63 to Q31 values. |
emilmont | 1:fdd22bb7aa52 | 433 | */ |
mbed_official | 3:7a284390b0ce | 434 | static __INLINE q31_t clip_q63_to_q31( |
emilmont | 1:fdd22bb7aa52 | 435 | q63_t x) |
emilmont | 1:fdd22bb7aa52 | 436 | { |
emilmont | 1:fdd22bb7aa52 | 437 | return ((q31_t) (x >> 32) != ((q31_t) x >> 31)) ? |
emilmont | 1:fdd22bb7aa52 | 438 | ((0x7FFFFFFF ^ ((q31_t) (x >> 63)))) : (q31_t) x; |
emilmont | 1:fdd22bb7aa52 | 439 | } |
emilmont | 1:fdd22bb7aa52 | 440 | |
emilmont | 1:fdd22bb7aa52 | 441 | /** |
emilmont | 1:fdd22bb7aa52 | 442 | * @brief Clips Q63 to Q15 values. |
emilmont | 1:fdd22bb7aa52 | 443 | */ |
mbed_official | 3:7a284390b0ce | 444 | static __INLINE q15_t clip_q63_to_q15( |
emilmont | 1:fdd22bb7aa52 | 445 | q63_t x) |
emilmont | 1:fdd22bb7aa52 | 446 | { |
emilmont | 1:fdd22bb7aa52 | 447 | return ((q31_t) (x >> 32) != ((q31_t) x >> 31)) ? |
emilmont | 1:fdd22bb7aa52 | 448 | ((0x7FFF ^ ((q15_t) (x >> 63)))) : (q15_t) (x >> 15); |
emilmont | 1:fdd22bb7aa52 | 449 | } |
emilmont | 1:fdd22bb7aa52 | 450 | |
emilmont | 1:fdd22bb7aa52 | 451 | /** |
emilmont | 1:fdd22bb7aa52 | 452 | * @brief Clips Q31 to Q7 values. |
emilmont | 1:fdd22bb7aa52 | 453 | */ |
mbed_official | 3:7a284390b0ce | 454 | static __INLINE q7_t clip_q31_to_q7( |
emilmont | 1:fdd22bb7aa52 | 455 | q31_t x) |
emilmont | 1:fdd22bb7aa52 | 456 | { |
emilmont | 1:fdd22bb7aa52 | 457 | return ((q31_t) (x >> 24) != ((q31_t) x >> 23)) ? |
emilmont | 1:fdd22bb7aa52 | 458 | ((0x7F ^ ((q7_t) (x >> 31)))) : (q7_t) x; |
emilmont | 1:fdd22bb7aa52 | 459 | } |
emilmont | 1:fdd22bb7aa52 | 460 | |
emilmont | 1:fdd22bb7aa52 | 461 | /** |
emilmont | 1:fdd22bb7aa52 | 462 | * @brief Clips Q31 to Q15 values. |
emilmont | 1:fdd22bb7aa52 | 463 | */ |
mbed_official | 3:7a284390b0ce | 464 | static __INLINE q15_t clip_q31_to_q15( |
emilmont | 1:fdd22bb7aa52 | 465 | q31_t x) |
emilmont | 1:fdd22bb7aa52 | 466 | { |
emilmont | 1:fdd22bb7aa52 | 467 | return ((q31_t) (x >> 16) != ((q31_t) x >> 15)) ? |
emilmont | 1:fdd22bb7aa52 | 468 | ((0x7FFF ^ ((q15_t) (x >> 31)))) : (q15_t) x; |
emilmont | 1:fdd22bb7aa52 | 469 | } |
emilmont | 1:fdd22bb7aa52 | 470 | |
emilmont | 1:fdd22bb7aa52 | 471 | /** |
emilmont | 1:fdd22bb7aa52 | 472 | * @brief Multiplies 32 X 64 and returns 32 bit result in 2.30 format. |
emilmont | 1:fdd22bb7aa52 | 473 | */ |
emilmont | 1:fdd22bb7aa52 | 474 | |
mbed_official | 3:7a284390b0ce | 475 | static __INLINE q63_t mult32x64( |
emilmont | 1:fdd22bb7aa52 | 476 | q63_t x, |
emilmont | 1:fdd22bb7aa52 | 477 | q31_t y) |
emilmont | 1:fdd22bb7aa52 | 478 | { |
emilmont | 1:fdd22bb7aa52 | 479 | return ((((q63_t) (x & 0x00000000FFFFFFFF) * y) >> 32) + |
emilmont | 1:fdd22bb7aa52 | 480 | (((q63_t) (x >> 32) * y))); |
emilmont | 1:fdd22bb7aa52 | 481 | } |
emilmont | 1:fdd22bb7aa52 | 482 | |
emilmont | 1:fdd22bb7aa52 | 483 | |
mbed_official | 3:7a284390b0ce | 484 | #if defined (ARM_MATH_CM0_FAMILY) && defined ( __CC_ARM ) |
emilmont | 1:fdd22bb7aa52 | 485 | #define __CLZ __clz |
mbed_official | 3:7a284390b0ce | 486 | #elif defined (ARM_MATH_CM0_FAMILY) && ((defined (__ICCARM__)) ||(defined (__GNUC__)) || defined (__TASKING__) ) |
mbed_official | 3:7a284390b0ce | 487 | |
mbed_official | 3:7a284390b0ce | 488 | static __INLINE uint32_t __CLZ( |
mbed_official | 3:7a284390b0ce | 489 | q31_t data); |
mbed_official | 3:7a284390b0ce | 490 | |
mbed_official | 3:7a284390b0ce | 491 | |
mbed_official | 3:7a284390b0ce | 492 | static __INLINE uint32_t __CLZ( |
mbed_official | 3:7a284390b0ce | 493 | q31_t data) |
emilmont | 1:fdd22bb7aa52 | 494 | { |
emilmont | 1:fdd22bb7aa52 | 495 | uint32_t count = 0; |
emilmont | 1:fdd22bb7aa52 | 496 | uint32_t mask = 0x80000000; |
emilmont | 1:fdd22bb7aa52 | 497 | |
emilmont | 1:fdd22bb7aa52 | 498 | while((data & mask) == 0) |
emilmont | 1:fdd22bb7aa52 | 499 | { |
emilmont | 1:fdd22bb7aa52 | 500 | count += 1u; |
emilmont | 1:fdd22bb7aa52 | 501 | mask = mask >> 1u; |
emilmont | 1:fdd22bb7aa52 | 502 | } |
emilmont | 1:fdd22bb7aa52 | 503 | |
emilmont | 1:fdd22bb7aa52 | 504 | return (count); |
emilmont | 1:fdd22bb7aa52 | 505 | |
emilmont | 1:fdd22bb7aa52 | 506 | } |
emilmont | 1:fdd22bb7aa52 | 507 | |
emilmont | 1:fdd22bb7aa52 | 508 | #endif |
emilmont | 1:fdd22bb7aa52 | 509 | |
emilmont | 1:fdd22bb7aa52 | 510 | /** |
mbed_official | 3:7a284390b0ce | 511 | * @brief Function to Calculates 1/in (reciprocal) value of Q31 Data type. |
mbed_official | 3:7a284390b0ce | 512 | */ |
mbed_official | 3:7a284390b0ce | 513 | |
mbed_official | 3:7a284390b0ce | 514 | static __INLINE uint32_t arm_recip_q31( |
emilmont | 1:fdd22bb7aa52 | 515 | q31_t in, |
emilmont | 1:fdd22bb7aa52 | 516 | q31_t * dst, |
emilmont | 1:fdd22bb7aa52 | 517 | q31_t * pRecipTable) |
emilmont | 1:fdd22bb7aa52 | 518 | { |
emilmont | 1:fdd22bb7aa52 | 519 | |
emilmont | 1:fdd22bb7aa52 | 520 | uint32_t out, tempVal; |
emilmont | 1:fdd22bb7aa52 | 521 | uint32_t index, i; |
emilmont | 1:fdd22bb7aa52 | 522 | uint32_t signBits; |
emilmont | 1:fdd22bb7aa52 | 523 | |
emilmont | 1:fdd22bb7aa52 | 524 | if(in > 0) |
emilmont | 1:fdd22bb7aa52 | 525 | { |
emilmont | 1:fdd22bb7aa52 | 526 | signBits = __CLZ(in) - 1; |
emilmont | 1:fdd22bb7aa52 | 527 | } |
emilmont | 1:fdd22bb7aa52 | 528 | else |
emilmont | 1:fdd22bb7aa52 | 529 | { |
emilmont | 1:fdd22bb7aa52 | 530 | signBits = __CLZ(-in) - 1; |
emilmont | 1:fdd22bb7aa52 | 531 | } |
emilmont | 1:fdd22bb7aa52 | 532 | |
emilmont | 1:fdd22bb7aa52 | 533 | /* Convert input sample to 1.31 format */ |
emilmont | 1:fdd22bb7aa52 | 534 | in = in << signBits; |
emilmont | 1:fdd22bb7aa52 | 535 | |
emilmont | 1:fdd22bb7aa52 | 536 | /* calculation of index for initial approximated Val */ |
emilmont | 1:fdd22bb7aa52 | 537 | index = (uint32_t) (in >> 24u); |
emilmont | 1:fdd22bb7aa52 | 538 | index = (index & INDEX_MASK); |
emilmont | 1:fdd22bb7aa52 | 539 | |
emilmont | 1:fdd22bb7aa52 | 540 | /* 1.31 with exp 1 */ |
emilmont | 1:fdd22bb7aa52 | 541 | out = pRecipTable[index]; |
emilmont | 1:fdd22bb7aa52 | 542 | |
emilmont | 1:fdd22bb7aa52 | 543 | /* calculation of reciprocal value */ |
emilmont | 1:fdd22bb7aa52 | 544 | /* running approximation for two iterations */ |
emilmont | 1:fdd22bb7aa52 | 545 | for (i = 0u; i < 2u; i++) |
emilmont | 1:fdd22bb7aa52 | 546 | { |
emilmont | 1:fdd22bb7aa52 | 547 | tempVal = (q31_t) (((q63_t) in * out) >> 31u); |
emilmont | 1:fdd22bb7aa52 | 548 | tempVal = 0x7FFFFFFF - tempVal; |
emilmont | 1:fdd22bb7aa52 | 549 | /* 1.31 with exp 1 */ |
emilmont | 1:fdd22bb7aa52 | 550 | //out = (q31_t) (((q63_t) out * tempVal) >> 30u); |
emilmont | 1:fdd22bb7aa52 | 551 | out = (q31_t) clip_q63_to_q31(((q63_t) out * tempVal) >> 30u); |
emilmont | 1:fdd22bb7aa52 | 552 | } |
emilmont | 1:fdd22bb7aa52 | 553 | |
emilmont | 1:fdd22bb7aa52 | 554 | /* write output */ |
emilmont | 1:fdd22bb7aa52 | 555 | *dst = out; |
emilmont | 1:fdd22bb7aa52 | 556 | |
emilmont | 1:fdd22bb7aa52 | 557 | /* return num of signbits of out = 1/in value */ |
emilmont | 1:fdd22bb7aa52 | 558 | return (signBits + 1u); |
emilmont | 1:fdd22bb7aa52 | 559 | |
emilmont | 1:fdd22bb7aa52 | 560 | } |
emilmont | 1:fdd22bb7aa52 | 561 | |
emilmont | 1:fdd22bb7aa52 | 562 | /** |
mbed_official | 3:7a284390b0ce | 563 | * @brief Function to Calculates 1/in (reciprocal) value of Q15 Data type. |
mbed_official | 3:7a284390b0ce | 564 | */ |
mbed_official | 3:7a284390b0ce | 565 | static __INLINE uint32_t arm_recip_q15( |
emilmont | 1:fdd22bb7aa52 | 566 | q15_t in, |
emilmont | 1:fdd22bb7aa52 | 567 | q15_t * dst, |
emilmont | 1:fdd22bb7aa52 | 568 | q15_t * pRecipTable) |
emilmont | 1:fdd22bb7aa52 | 569 | { |
emilmont | 1:fdd22bb7aa52 | 570 | |
emilmont | 1:fdd22bb7aa52 | 571 | uint32_t out = 0, tempVal = 0; |
emilmont | 1:fdd22bb7aa52 | 572 | uint32_t index = 0, i = 0; |
emilmont | 1:fdd22bb7aa52 | 573 | uint32_t signBits = 0; |
emilmont | 1:fdd22bb7aa52 | 574 | |
emilmont | 1:fdd22bb7aa52 | 575 | if(in > 0) |
emilmont | 1:fdd22bb7aa52 | 576 | { |
emilmont | 1:fdd22bb7aa52 | 577 | signBits = __CLZ(in) - 17; |
emilmont | 1:fdd22bb7aa52 | 578 | } |
emilmont | 1:fdd22bb7aa52 | 579 | else |
emilmont | 1:fdd22bb7aa52 | 580 | { |
emilmont | 1:fdd22bb7aa52 | 581 | signBits = __CLZ(-in) - 17; |
emilmont | 1:fdd22bb7aa52 | 582 | } |
emilmont | 1:fdd22bb7aa52 | 583 | |
emilmont | 1:fdd22bb7aa52 | 584 | /* Convert input sample to 1.15 format */ |
emilmont | 1:fdd22bb7aa52 | 585 | in = in << signBits; |
emilmont | 1:fdd22bb7aa52 | 586 | |
emilmont | 1:fdd22bb7aa52 | 587 | /* calculation of index for initial approximated Val */ |
emilmont | 1:fdd22bb7aa52 | 588 | index = in >> 8; |
emilmont | 1:fdd22bb7aa52 | 589 | index = (index & INDEX_MASK); |
emilmont | 1:fdd22bb7aa52 | 590 | |
emilmont | 1:fdd22bb7aa52 | 591 | /* 1.15 with exp 1 */ |
emilmont | 1:fdd22bb7aa52 | 592 | out = pRecipTable[index]; |
emilmont | 1:fdd22bb7aa52 | 593 | |
emilmont | 1:fdd22bb7aa52 | 594 | /* calculation of reciprocal value */ |
emilmont | 1:fdd22bb7aa52 | 595 | /* running approximation for two iterations */ |
emilmont | 1:fdd22bb7aa52 | 596 | for (i = 0; i < 2; i++) |
emilmont | 1:fdd22bb7aa52 | 597 | { |
emilmont | 1:fdd22bb7aa52 | 598 | tempVal = (q15_t) (((q31_t) in * out) >> 15); |
emilmont | 1:fdd22bb7aa52 | 599 | tempVal = 0x7FFF - tempVal; |
emilmont | 1:fdd22bb7aa52 | 600 | /* 1.15 with exp 1 */ |
emilmont | 1:fdd22bb7aa52 | 601 | out = (q15_t) (((q31_t) out * tempVal) >> 14); |
emilmont | 1:fdd22bb7aa52 | 602 | } |
emilmont | 1:fdd22bb7aa52 | 603 | |
emilmont | 1:fdd22bb7aa52 | 604 | /* write output */ |
emilmont | 1:fdd22bb7aa52 | 605 | *dst = out; |
emilmont | 1:fdd22bb7aa52 | 606 | |
emilmont | 1:fdd22bb7aa52 | 607 | /* return num of signbits of out = 1/in value */ |
emilmont | 1:fdd22bb7aa52 | 608 | return (signBits + 1); |
emilmont | 1:fdd22bb7aa52 | 609 | |
emilmont | 1:fdd22bb7aa52 | 610 | } |
emilmont | 1:fdd22bb7aa52 | 611 | |
emilmont | 1:fdd22bb7aa52 | 612 | |
emilmont | 1:fdd22bb7aa52 | 613 | /* |
emilmont | 1:fdd22bb7aa52 | 614 | * @brief C custom defined intrinisic function for only M0 processors |
emilmont | 1:fdd22bb7aa52 | 615 | */ |
mbed_official | 3:7a284390b0ce | 616 | #if defined(ARM_MATH_CM0_FAMILY) |
mbed_official | 3:7a284390b0ce | 617 | |
mbed_official | 3:7a284390b0ce | 618 | static __INLINE q31_t __SSAT( |
emilmont | 1:fdd22bb7aa52 | 619 | q31_t x, |
emilmont | 1:fdd22bb7aa52 | 620 | uint32_t y) |
emilmont | 1:fdd22bb7aa52 | 621 | { |
emilmont | 1:fdd22bb7aa52 | 622 | int32_t posMax, negMin; |
emilmont | 1:fdd22bb7aa52 | 623 | uint32_t i; |
emilmont | 1:fdd22bb7aa52 | 624 | |
emilmont | 1:fdd22bb7aa52 | 625 | posMax = 1; |
emilmont | 1:fdd22bb7aa52 | 626 | for (i = 0; i < (y - 1); i++) |
emilmont | 1:fdd22bb7aa52 | 627 | { |
emilmont | 1:fdd22bb7aa52 | 628 | posMax = posMax * 2; |
emilmont | 1:fdd22bb7aa52 | 629 | } |
emilmont | 1:fdd22bb7aa52 | 630 | |
emilmont | 1:fdd22bb7aa52 | 631 | if(x > 0) |
emilmont | 1:fdd22bb7aa52 | 632 | { |
emilmont | 1:fdd22bb7aa52 | 633 | posMax = (posMax - 1); |
emilmont | 1:fdd22bb7aa52 | 634 | |
emilmont | 1:fdd22bb7aa52 | 635 | if(x > posMax) |
emilmont | 1:fdd22bb7aa52 | 636 | { |
emilmont | 1:fdd22bb7aa52 | 637 | x = posMax; |
emilmont | 1:fdd22bb7aa52 | 638 | } |
emilmont | 1:fdd22bb7aa52 | 639 | } |
emilmont | 1:fdd22bb7aa52 | 640 | else |
emilmont | 1:fdd22bb7aa52 | 641 | { |
emilmont | 1:fdd22bb7aa52 | 642 | negMin = -posMax; |
emilmont | 1:fdd22bb7aa52 | 643 | |
emilmont | 1:fdd22bb7aa52 | 644 | if(x < negMin) |
emilmont | 1:fdd22bb7aa52 | 645 | { |
emilmont | 1:fdd22bb7aa52 | 646 | x = negMin; |
emilmont | 1:fdd22bb7aa52 | 647 | } |
emilmont | 1:fdd22bb7aa52 | 648 | } |
emilmont | 1:fdd22bb7aa52 | 649 | return (x); |
emilmont | 1:fdd22bb7aa52 | 650 | |
emilmont | 1:fdd22bb7aa52 | 651 | |
emilmont | 1:fdd22bb7aa52 | 652 | } |
emilmont | 1:fdd22bb7aa52 | 653 | |
mbed_official | 3:7a284390b0ce | 654 | #endif /* end of ARM_MATH_CM0_FAMILY */ |
emilmont | 1:fdd22bb7aa52 | 655 | |
emilmont | 1:fdd22bb7aa52 | 656 | |
emilmont | 1:fdd22bb7aa52 | 657 | |
emilmont | 1:fdd22bb7aa52 | 658 | /* |
emilmont | 1:fdd22bb7aa52 | 659 | * @brief C custom defined intrinsic function for M3 and M0 processors |
emilmont | 1:fdd22bb7aa52 | 660 | */ |
mbed_official | 3:7a284390b0ce | 661 | #if defined (ARM_MATH_CM3) || defined (ARM_MATH_CM0_FAMILY) |
emilmont | 1:fdd22bb7aa52 | 662 | |
emilmont | 1:fdd22bb7aa52 | 663 | /* |
emilmont | 1:fdd22bb7aa52 | 664 | * @brief C custom defined QADD8 for M3 and M0 processors |
emilmont | 1:fdd22bb7aa52 | 665 | */ |
mbed_official | 3:7a284390b0ce | 666 | static __INLINE q31_t __QADD8( |
emilmont | 1:fdd22bb7aa52 | 667 | q31_t x, |
emilmont | 1:fdd22bb7aa52 | 668 | q31_t y) |
emilmont | 1:fdd22bb7aa52 | 669 | { |
emilmont | 1:fdd22bb7aa52 | 670 | |
emilmont | 1:fdd22bb7aa52 | 671 | q31_t sum; |
emilmont | 1:fdd22bb7aa52 | 672 | q7_t r, s, t, u; |
emilmont | 1:fdd22bb7aa52 | 673 | |
emilmont | 1:fdd22bb7aa52 | 674 | r = (q7_t) x; |
emilmont | 1:fdd22bb7aa52 | 675 | s = (q7_t) y; |
emilmont | 1:fdd22bb7aa52 | 676 | |
emilmont | 1:fdd22bb7aa52 | 677 | r = __SSAT((q31_t) (r + s), 8); |
emilmont | 1:fdd22bb7aa52 | 678 | s = __SSAT(((q31_t) (((x << 16) >> 24) + ((y << 16) >> 24))), 8); |
emilmont | 1:fdd22bb7aa52 | 679 | t = __SSAT(((q31_t) (((x << 8) >> 24) + ((y << 8) >> 24))), 8); |
emilmont | 1:fdd22bb7aa52 | 680 | u = __SSAT(((q31_t) ((x >> 24) + (y >> 24))), 8); |
emilmont | 1:fdd22bb7aa52 | 681 | |
emilmont | 1:fdd22bb7aa52 | 682 | sum = |
emilmont | 1:fdd22bb7aa52 | 683 | (((q31_t) u << 24) & 0xFF000000) | (((q31_t) t << 16) & 0x00FF0000) | |
emilmont | 1:fdd22bb7aa52 | 684 | (((q31_t) s << 8) & 0x0000FF00) | (r & 0x000000FF); |
emilmont | 1:fdd22bb7aa52 | 685 | |
emilmont | 1:fdd22bb7aa52 | 686 | return sum; |
emilmont | 1:fdd22bb7aa52 | 687 | |
emilmont | 1:fdd22bb7aa52 | 688 | } |
emilmont | 1:fdd22bb7aa52 | 689 | |
emilmont | 1:fdd22bb7aa52 | 690 | /* |
emilmont | 1:fdd22bb7aa52 | 691 | * @brief C custom defined QSUB8 for M3 and M0 processors |
emilmont | 1:fdd22bb7aa52 | 692 | */ |
mbed_official | 3:7a284390b0ce | 693 | static __INLINE q31_t __QSUB8( |
emilmont | 1:fdd22bb7aa52 | 694 | q31_t x, |
emilmont | 1:fdd22bb7aa52 | 695 | q31_t y) |
emilmont | 1:fdd22bb7aa52 | 696 | { |
emilmont | 1:fdd22bb7aa52 | 697 | |
emilmont | 1:fdd22bb7aa52 | 698 | q31_t sum; |
emilmont | 1:fdd22bb7aa52 | 699 | q31_t r, s, t, u; |
emilmont | 1:fdd22bb7aa52 | 700 | |
emilmont | 1:fdd22bb7aa52 | 701 | r = (q7_t) x; |
emilmont | 1:fdd22bb7aa52 | 702 | s = (q7_t) y; |
emilmont | 1:fdd22bb7aa52 | 703 | |
emilmont | 1:fdd22bb7aa52 | 704 | r = __SSAT((r - s), 8); |
emilmont | 1:fdd22bb7aa52 | 705 | s = __SSAT(((q31_t) (((x << 16) >> 24) - ((y << 16) >> 24))), 8) << 8; |
emilmont | 1:fdd22bb7aa52 | 706 | t = __SSAT(((q31_t) (((x << 8) >> 24) - ((y << 8) >> 24))), 8) << 16; |
emilmont | 1:fdd22bb7aa52 | 707 | u = __SSAT(((q31_t) ((x >> 24) - (y >> 24))), 8) << 24; |
emilmont | 1:fdd22bb7aa52 | 708 | |
emilmont | 1:fdd22bb7aa52 | 709 | sum = |
emilmont | 1:fdd22bb7aa52 | 710 | (u & 0xFF000000) | (t & 0x00FF0000) | (s & 0x0000FF00) | (r & |
emilmont | 1:fdd22bb7aa52 | 711 | 0x000000FF); |
emilmont | 1:fdd22bb7aa52 | 712 | |
emilmont | 1:fdd22bb7aa52 | 713 | return sum; |
emilmont | 1:fdd22bb7aa52 | 714 | } |
emilmont | 1:fdd22bb7aa52 | 715 | |
emilmont | 1:fdd22bb7aa52 | 716 | /* |
emilmont | 1:fdd22bb7aa52 | 717 | * @brief C custom defined QADD16 for M3 and M0 processors |
emilmont | 1:fdd22bb7aa52 | 718 | */ |
emilmont | 1:fdd22bb7aa52 | 719 | |
emilmont | 1:fdd22bb7aa52 | 720 | /* |
emilmont | 1:fdd22bb7aa52 | 721 | * @brief C custom defined QADD16 for M3 and M0 processors |
emilmont | 1:fdd22bb7aa52 | 722 | */ |
mbed_official | 3:7a284390b0ce | 723 | static __INLINE q31_t __QADD16( |
emilmont | 1:fdd22bb7aa52 | 724 | q31_t x, |
emilmont | 1:fdd22bb7aa52 | 725 | q31_t y) |
emilmont | 1:fdd22bb7aa52 | 726 | { |
emilmont | 1:fdd22bb7aa52 | 727 | |
emilmont | 1:fdd22bb7aa52 | 728 | q31_t sum; |
emilmont | 1:fdd22bb7aa52 | 729 | q31_t r, s; |
emilmont | 1:fdd22bb7aa52 | 730 | |
emilmont | 1:fdd22bb7aa52 | 731 | r = (short) x; |
emilmont | 1:fdd22bb7aa52 | 732 | s = (short) y; |
emilmont | 1:fdd22bb7aa52 | 733 | |
emilmont | 1:fdd22bb7aa52 | 734 | r = __SSAT(r + s, 16); |
emilmont | 1:fdd22bb7aa52 | 735 | s = __SSAT(((q31_t) ((x >> 16) + (y >> 16))), 16) << 16; |
emilmont | 1:fdd22bb7aa52 | 736 | |
emilmont | 1:fdd22bb7aa52 | 737 | sum = (s & 0xFFFF0000) | (r & 0x0000FFFF); |
emilmont | 1:fdd22bb7aa52 | 738 | |
emilmont | 1:fdd22bb7aa52 | 739 | return sum; |
emilmont | 1:fdd22bb7aa52 | 740 | |
emilmont | 1:fdd22bb7aa52 | 741 | } |
emilmont | 1:fdd22bb7aa52 | 742 | |
emilmont | 1:fdd22bb7aa52 | 743 | /* |
emilmont | 1:fdd22bb7aa52 | 744 | * @brief C custom defined SHADD16 for M3 and M0 processors |
emilmont | 1:fdd22bb7aa52 | 745 | */ |
mbed_official | 3:7a284390b0ce | 746 | static __INLINE q31_t __SHADD16( |
emilmont | 1:fdd22bb7aa52 | 747 | q31_t x, |
emilmont | 1:fdd22bb7aa52 | 748 | q31_t y) |
emilmont | 1:fdd22bb7aa52 | 749 | { |
emilmont | 1:fdd22bb7aa52 | 750 | |
emilmont | 1:fdd22bb7aa52 | 751 | q31_t sum; |
emilmont | 1:fdd22bb7aa52 | 752 | q31_t r, s; |
emilmont | 1:fdd22bb7aa52 | 753 | |
emilmont | 1:fdd22bb7aa52 | 754 | r = (short) x; |
emilmont | 1:fdd22bb7aa52 | 755 | s = (short) y; |
emilmont | 1:fdd22bb7aa52 | 756 | |
emilmont | 1:fdd22bb7aa52 | 757 | r = ((r >> 1) + (s >> 1)); |
emilmont | 1:fdd22bb7aa52 | 758 | s = ((q31_t) ((x >> 17) + (y >> 17))) << 16; |
emilmont | 1:fdd22bb7aa52 | 759 | |
emilmont | 1:fdd22bb7aa52 | 760 | sum = (s & 0xFFFF0000) | (r & 0x0000FFFF); |
emilmont | 1:fdd22bb7aa52 | 761 | |
emilmont | 1:fdd22bb7aa52 | 762 | return sum; |
emilmont | 1:fdd22bb7aa52 | 763 | |
emilmont | 1:fdd22bb7aa52 | 764 | } |
emilmont | 1:fdd22bb7aa52 | 765 | |
emilmont | 1:fdd22bb7aa52 | 766 | /* |
emilmont | 1:fdd22bb7aa52 | 767 | * @brief C custom defined QSUB16 for M3 and M0 processors |
emilmont | 1:fdd22bb7aa52 | 768 | */ |
mbed_official | 3:7a284390b0ce | 769 | static __INLINE q31_t __QSUB16( |
emilmont | 1:fdd22bb7aa52 | 770 | q31_t x, |
emilmont | 1:fdd22bb7aa52 | 771 | q31_t y) |
emilmont | 1:fdd22bb7aa52 | 772 | { |
emilmont | 1:fdd22bb7aa52 | 773 | |
emilmont | 1:fdd22bb7aa52 | 774 | q31_t sum; |
emilmont | 1:fdd22bb7aa52 | 775 | q31_t r, s; |
emilmont | 1:fdd22bb7aa52 | 776 | |
emilmont | 1:fdd22bb7aa52 | 777 | r = (short) x; |
emilmont | 1:fdd22bb7aa52 | 778 | s = (short) y; |
emilmont | 1:fdd22bb7aa52 | 779 | |
emilmont | 1:fdd22bb7aa52 | 780 | r = __SSAT(r - s, 16); |
emilmont | 1:fdd22bb7aa52 | 781 | s = __SSAT(((q31_t) ((x >> 16) - (y >> 16))), 16) << 16; |
emilmont | 1:fdd22bb7aa52 | 782 | |
emilmont | 1:fdd22bb7aa52 | 783 | sum = (s & 0xFFFF0000) | (r & 0x0000FFFF); |
emilmont | 1:fdd22bb7aa52 | 784 | |
emilmont | 1:fdd22bb7aa52 | 785 | return sum; |
emilmont | 1:fdd22bb7aa52 | 786 | } |
emilmont | 1:fdd22bb7aa52 | 787 | |
emilmont | 1:fdd22bb7aa52 | 788 | /* |
emilmont | 1:fdd22bb7aa52 | 789 | * @brief C custom defined SHSUB16 for M3 and M0 processors |
emilmont | 1:fdd22bb7aa52 | 790 | */ |
mbed_official | 3:7a284390b0ce | 791 | static __INLINE q31_t __SHSUB16( |
emilmont | 1:fdd22bb7aa52 | 792 | q31_t x, |
emilmont | 1:fdd22bb7aa52 | 793 | q31_t y) |
emilmont | 1:fdd22bb7aa52 | 794 | { |
emilmont | 1:fdd22bb7aa52 | 795 | |
emilmont | 1:fdd22bb7aa52 | 796 | q31_t diff; |
emilmont | 1:fdd22bb7aa52 | 797 | q31_t r, s; |
emilmont | 1:fdd22bb7aa52 | 798 | |
emilmont | 1:fdd22bb7aa52 | 799 | r = (short) x; |
emilmont | 1:fdd22bb7aa52 | 800 | s = (short) y; |
emilmont | 1:fdd22bb7aa52 | 801 | |
emilmont | 1:fdd22bb7aa52 | 802 | r = ((r >> 1) - (s >> 1)); |
emilmont | 1:fdd22bb7aa52 | 803 | s = (((x >> 17) - (y >> 17)) << 16); |
emilmont | 1:fdd22bb7aa52 | 804 | |
emilmont | 1:fdd22bb7aa52 | 805 | diff = (s & 0xFFFF0000) | (r & 0x0000FFFF); |
emilmont | 1:fdd22bb7aa52 | 806 | |
emilmont | 1:fdd22bb7aa52 | 807 | return diff; |
emilmont | 1:fdd22bb7aa52 | 808 | } |
emilmont | 1:fdd22bb7aa52 | 809 | |
emilmont | 1:fdd22bb7aa52 | 810 | /* |
emilmont | 1:fdd22bb7aa52 | 811 | * @brief C custom defined QASX for M3 and M0 processors |
emilmont | 1:fdd22bb7aa52 | 812 | */ |
mbed_official | 3:7a284390b0ce | 813 | static __INLINE q31_t __QASX( |
emilmont | 1:fdd22bb7aa52 | 814 | q31_t x, |
emilmont | 1:fdd22bb7aa52 | 815 | q31_t y) |
emilmont | 1:fdd22bb7aa52 | 816 | { |
emilmont | 1:fdd22bb7aa52 | 817 | |
emilmont | 1:fdd22bb7aa52 | 818 | q31_t sum = 0; |
emilmont | 1:fdd22bb7aa52 | 819 | |
emilmont | 1:fdd22bb7aa52 | 820 | sum = |
emilmont | 1:fdd22bb7aa52 | 821 | ((sum + |
emilmont | 1:fdd22bb7aa52 | 822 | clip_q31_to_q15((q31_t) ((short) (x >> 16) + (short) y))) << 16) + |
emilmont | 1:fdd22bb7aa52 | 823 | clip_q31_to_q15((q31_t) ((short) x - (short) (y >> 16))); |
emilmont | 1:fdd22bb7aa52 | 824 | |
emilmont | 1:fdd22bb7aa52 | 825 | return sum; |
emilmont | 1:fdd22bb7aa52 | 826 | } |
emilmont | 1:fdd22bb7aa52 | 827 | |
emilmont | 1:fdd22bb7aa52 | 828 | /* |
emilmont | 1:fdd22bb7aa52 | 829 | * @brief C custom defined SHASX for M3 and M0 processors |
emilmont | 1:fdd22bb7aa52 | 830 | */ |
mbed_official | 3:7a284390b0ce | 831 | static __INLINE q31_t __SHASX( |
emilmont | 1:fdd22bb7aa52 | 832 | q31_t x, |
emilmont | 1:fdd22bb7aa52 | 833 | q31_t y) |
emilmont | 1:fdd22bb7aa52 | 834 | { |
emilmont | 1:fdd22bb7aa52 | 835 | |
emilmont | 1:fdd22bb7aa52 | 836 | q31_t sum; |
emilmont | 1:fdd22bb7aa52 | 837 | q31_t r, s; |
emilmont | 1:fdd22bb7aa52 | 838 | |
emilmont | 1:fdd22bb7aa52 | 839 | r = (short) x; |
emilmont | 1:fdd22bb7aa52 | 840 | s = (short) y; |
emilmont | 1:fdd22bb7aa52 | 841 | |
emilmont | 1:fdd22bb7aa52 | 842 | r = ((r >> 1) - (y >> 17)); |
emilmont | 1:fdd22bb7aa52 | 843 | s = (((x >> 17) + (s >> 1)) << 16); |
emilmont | 1:fdd22bb7aa52 | 844 | |
emilmont | 1:fdd22bb7aa52 | 845 | sum = (s & 0xFFFF0000) | (r & 0x0000FFFF); |
emilmont | 1:fdd22bb7aa52 | 846 | |
emilmont | 1:fdd22bb7aa52 | 847 | return sum; |
emilmont | 1:fdd22bb7aa52 | 848 | } |
emilmont | 1:fdd22bb7aa52 | 849 | |
emilmont | 1:fdd22bb7aa52 | 850 | |
emilmont | 1:fdd22bb7aa52 | 851 | /* |
emilmont | 1:fdd22bb7aa52 | 852 | * @brief C custom defined QSAX for M3 and M0 processors |
emilmont | 1:fdd22bb7aa52 | 853 | */ |
mbed_official | 3:7a284390b0ce | 854 | static __INLINE q31_t __QSAX( |
emilmont | 1:fdd22bb7aa52 | 855 | q31_t x, |
emilmont | 1:fdd22bb7aa52 | 856 | q31_t y) |
emilmont | 1:fdd22bb7aa52 | 857 | { |
emilmont | 1:fdd22bb7aa52 | 858 | |
emilmont | 1:fdd22bb7aa52 | 859 | q31_t sum = 0; |
emilmont | 1:fdd22bb7aa52 | 860 | |
emilmont | 1:fdd22bb7aa52 | 861 | sum = |
emilmont | 1:fdd22bb7aa52 | 862 | ((sum + |
emilmont | 1:fdd22bb7aa52 | 863 | clip_q31_to_q15((q31_t) ((short) (x >> 16) - (short) y))) << 16) + |
emilmont | 1:fdd22bb7aa52 | 864 | clip_q31_to_q15((q31_t) ((short) x + (short) (y >> 16))); |
emilmont | 1:fdd22bb7aa52 | 865 | |
emilmont | 1:fdd22bb7aa52 | 866 | return sum; |
emilmont | 1:fdd22bb7aa52 | 867 | } |
emilmont | 1:fdd22bb7aa52 | 868 | |
emilmont | 1:fdd22bb7aa52 | 869 | /* |
emilmont | 1:fdd22bb7aa52 | 870 | * @brief C custom defined SHSAX for M3 and M0 processors |
emilmont | 1:fdd22bb7aa52 | 871 | */ |
mbed_official | 3:7a284390b0ce | 872 | static __INLINE q31_t __SHSAX( |
emilmont | 1:fdd22bb7aa52 | 873 | q31_t x, |
emilmont | 1:fdd22bb7aa52 | 874 | q31_t y) |
emilmont | 1:fdd22bb7aa52 | 875 | { |
emilmont | 1:fdd22bb7aa52 | 876 | |
emilmont | 1:fdd22bb7aa52 | 877 | q31_t sum; |
emilmont | 1:fdd22bb7aa52 | 878 | q31_t r, s; |
emilmont | 1:fdd22bb7aa52 | 879 | |
emilmont | 1:fdd22bb7aa52 | 880 | r = (short) x; |
emilmont | 1:fdd22bb7aa52 | 881 | s = (short) y; |
emilmont | 1:fdd22bb7aa52 | 882 | |
emilmont | 1:fdd22bb7aa52 | 883 | r = ((r >> 1) + (y >> 17)); |
emilmont | 1:fdd22bb7aa52 | 884 | s = (((x >> 17) - (s >> 1)) << 16); |
emilmont | 1:fdd22bb7aa52 | 885 | |
emilmont | 1:fdd22bb7aa52 | 886 | sum = (s & 0xFFFF0000) | (r & 0x0000FFFF); |
emilmont | 1:fdd22bb7aa52 | 887 | |
emilmont | 1:fdd22bb7aa52 | 888 | return sum; |
emilmont | 1:fdd22bb7aa52 | 889 | } |
emilmont | 1:fdd22bb7aa52 | 890 | |
emilmont | 1:fdd22bb7aa52 | 891 | /* |
emilmont | 1:fdd22bb7aa52 | 892 | * @brief C custom defined SMUSDX for M3 and M0 processors |
emilmont | 1:fdd22bb7aa52 | 893 | */ |
mbed_official | 3:7a284390b0ce | 894 | static __INLINE q31_t __SMUSDX( |
emilmont | 1:fdd22bb7aa52 | 895 | q31_t x, |
emilmont | 1:fdd22bb7aa52 | 896 | q31_t y) |
emilmont | 1:fdd22bb7aa52 | 897 | { |
emilmont | 1:fdd22bb7aa52 | 898 | |
emilmont | 1:fdd22bb7aa52 | 899 | return ((q31_t) (((short) x * (short) (y >> 16)) - |
emilmont | 1:fdd22bb7aa52 | 900 | ((short) (x >> 16) * (short) y))); |
emilmont | 1:fdd22bb7aa52 | 901 | } |
emilmont | 1:fdd22bb7aa52 | 902 | |
emilmont | 1:fdd22bb7aa52 | 903 | /* |
emilmont | 1:fdd22bb7aa52 | 904 | * @brief C custom defined SMUADX for M3 and M0 processors |
emilmont | 1:fdd22bb7aa52 | 905 | */ |
mbed_official | 3:7a284390b0ce | 906 | static __INLINE q31_t __SMUADX( |
emilmont | 1:fdd22bb7aa52 | 907 | q31_t x, |
emilmont | 1:fdd22bb7aa52 | 908 | q31_t y) |
emilmont | 1:fdd22bb7aa52 | 909 | { |
emilmont | 1:fdd22bb7aa52 | 910 | |
emilmont | 1:fdd22bb7aa52 | 911 | return ((q31_t) (((short) x * (short) (y >> 16)) + |
emilmont | 1:fdd22bb7aa52 | 912 | ((short) (x >> 16) * (short) y))); |
emilmont | 1:fdd22bb7aa52 | 913 | } |
emilmont | 1:fdd22bb7aa52 | 914 | |
emilmont | 1:fdd22bb7aa52 | 915 | /* |
emilmont | 1:fdd22bb7aa52 | 916 | * @brief C custom defined QADD for M3 and M0 processors |
emilmont | 1:fdd22bb7aa52 | 917 | */ |
mbed_official | 3:7a284390b0ce | 918 | static __INLINE q31_t __QADD( |
emilmont | 1:fdd22bb7aa52 | 919 | q31_t x, |
emilmont | 1:fdd22bb7aa52 | 920 | q31_t y) |
emilmont | 1:fdd22bb7aa52 | 921 | { |
emilmont | 1:fdd22bb7aa52 | 922 | return clip_q63_to_q31((q63_t) x + y); |
emilmont | 1:fdd22bb7aa52 | 923 | } |
emilmont | 1:fdd22bb7aa52 | 924 | |
emilmont | 1:fdd22bb7aa52 | 925 | /* |
emilmont | 1:fdd22bb7aa52 | 926 | * @brief C custom defined QSUB for M3 and M0 processors |
emilmont | 1:fdd22bb7aa52 | 927 | */ |
mbed_official | 3:7a284390b0ce | 928 | static __INLINE q31_t __QSUB( |
emilmont | 1:fdd22bb7aa52 | 929 | q31_t x, |
emilmont | 1:fdd22bb7aa52 | 930 | q31_t y) |
emilmont | 1:fdd22bb7aa52 | 931 | { |
emilmont | 1:fdd22bb7aa52 | 932 | return clip_q63_to_q31((q63_t) x - y); |
emilmont | 1:fdd22bb7aa52 | 933 | } |
emilmont | 1:fdd22bb7aa52 | 934 | |
emilmont | 1:fdd22bb7aa52 | 935 | /* |
emilmont | 1:fdd22bb7aa52 | 936 | * @brief C custom defined SMLAD for M3 and M0 processors |
emilmont | 1:fdd22bb7aa52 | 937 | */ |
mbed_official | 3:7a284390b0ce | 938 | static __INLINE q31_t __SMLAD( |
emilmont | 1:fdd22bb7aa52 | 939 | q31_t x, |
emilmont | 1:fdd22bb7aa52 | 940 | q31_t y, |
emilmont | 1:fdd22bb7aa52 | 941 | q31_t sum) |
emilmont | 1:fdd22bb7aa52 | 942 | { |
emilmont | 1:fdd22bb7aa52 | 943 | |
emilmont | 1:fdd22bb7aa52 | 944 | return (sum + ((short) (x >> 16) * (short) (y >> 16)) + |
emilmont | 1:fdd22bb7aa52 | 945 | ((short) x * (short) y)); |
emilmont | 1:fdd22bb7aa52 | 946 | } |
emilmont | 1:fdd22bb7aa52 | 947 | |
emilmont | 1:fdd22bb7aa52 | 948 | /* |
emilmont | 1:fdd22bb7aa52 | 949 | * @brief C custom defined SMLADX for M3 and M0 processors |
emilmont | 1:fdd22bb7aa52 | 950 | */ |
mbed_official | 3:7a284390b0ce | 951 | static __INLINE q31_t __SMLADX( |
emilmont | 1:fdd22bb7aa52 | 952 | q31_t x, |
emilmont | 1:fdd22bb7aa52 | 953 | q31_t y, |
emilmont | 1:fdd22bb7aa52 | 954 | q31_t sum) |
emilmont | 1:fdd22bb7aa52 | 955 | { |
emilmont | 1:fdd22bb7aa52 | 956 | |
emilmont | 1:fdd22bb7aa52 | 957 | return (sum + ((short) (x >> 16) * (short) (y)) + |
emilmont | 1:fdd22bb7aa52 | 958 | ((short) x * (short) (y >> 16))); |
emilmont | 1:fdd22bb7aa52 | 959 | } |
emilmont | 1:fdd22bb7aa52 | 960 | |
emilmont | 1:fdd22bb7aa52 | 961 | /* |
emilmont | 1:fdd22bb7aa52 | 962 | * @brief C custom defined SMLSDX for M3 and M0 processors |
emilmont | 1:fdd22bb7aa52 | 963 | */ |
mbed_official | 3:7a284390b0ce | 964 | static __INLINE q31_t __SMLSDX( |
emilmont | 1:fdd22bb7aa52 | 965 | q31_t x, |
emilmont | 1:fdd22bb7aa52 | 966 | q31_t y, |
emilmont | 1:fdd22bb7aa52 | 967 | q31_t sum) |
emilmont | 1:fdd22bb7aa52 | 968 | { |
emilmont | 1:fdd22bb7aa52 | 969 | |
emilmont | 1:fdd22bb7aa52 | 970 | return (sum - ((short) (x >> 16) * (short) (y)) + |
emilmont | 1:fdd22bb7aa52 | 971 | ((short) x * (short) (y >> 16))); |
emilmont | 1:fdd22bb7aa52 | 972 | } |
emilmont | 1:fdd22bb7aa52 | 973 | |
emilmont | 1:fdd22bb7aa52 | 974 | /* |
emilmont | 1:fdd22bb7aa52 | 975 | * @brief C custom defined SMLALD for M3 and M0 processors |
emilmont | 1:fdd22bb7aa52 | 976 | */ |
mbed_official | 3:7a284390b0ce | 977 | static __INLINE q63_t __SMLALD( |
emilmont | 1:fdd22bb7aa52 | 978 | q31_t x, |
emilmont | 1:fdd22bb7aa52 | 979 | q31_t y, |
emilmont | 1:fdd22bb7aa52 | 980 | q63_t sum) |
emilmont | 1:fdd22bb7aa52 | 981 | { |
emilmont | 1:fdd22bb7aa52 | 982 | |
emilmont | 1:fdd22bb7aa52 | 983 | return (sum + ((short) (x >> 16) * (short) (y >> 16)) + |
emilmont | 1:fdd22bb7aa52 | 984 | ((short) x * (short) y)); |
emilmont | 1:fdd22bb7aa52 | 985 | } |
emilmont | 1:fdd22bb7aa52 | 986 | |
emilmont | 1:fdd22bb7aa52 | 987 | /* |
emilmont | 1:fdd22bb7aa52 | 988 | * @brief C custom defined SMLALDX for M3 and M0 processors |
emilmont | 1:fdd22bb7aa52 | 989 | */ |
mbed_official | 3:7a284390b0ce | 990 | static __INLINE q63_t __SMLALDX( |
emilmont | 1:fdd22bb7aa52 | 991 | q31_t x, |
emilmont | 1:fdd22bb7aa52 | 992 | q31_t y, |
emilmont | 1:fdd22bb7aa52 | 993 | q63_t sum) |
emilmont | 1:fdd22bb7aa52 | 994 | { |
emilmont | 1:fdd22bb7aa52 | 995 | |
emilmont | 1:fdd22bb7aa52 | 996 | return (sum + ((short) (x >> 16) * (short) y)) + |
emilmont | 1:fdd22bb7aa52 | 997 | ((short) x * (short) (y >> 16)); |
emilmont | 1:fdd22bb7aa52 | 998 | } |
emilmont | 1:fdd22bb7aa52 | 999 | |
emilmont | 1:fdd22bb7aa52 | 1000 | /* |
emilmont | 1:fdd22bb7aa52 | 1001 | * @brief C custom defined SMUAD for M3 and M0 processors |
emilmont | 1:fdd22bb7aa52 | 1002 | */ |
mbed_official | 3:7a284390b0ce | 1003 | static __INLINE q31_t __SMUAD( |
emilmont | 1:fdd22bb7aa52 | 1004 | q31_t x, |
emilmont | 1:fdd22bb7aa52 | 1005 | q31_t y) |
emilmont | 1:fdd22bb7aa52 | 1006 | { |
emilmont | 1:fdd22bb7aa52 | 1007 | |
emilmont | 1:fdd22bb7aa52 | 1008 | return (((x >> 16) * (y >> 16)) + |
emilmont | 1:fdd22bb7aa52 | 1009 | (((x << 16) >> 16) * ((y << 16) >> 16))); |
emilmont | 1:fdd22bb7aa52 | 1010 | } |
emilmont | 1:fdd22bb7aa52 | 1011 | |
emilmont | 1:fdd22bb7aa52 | 1012 | /* |
emilmont | 1:fdd22bb7aa52 | 1013 | * @brief C custom defined SMUSD for M3 and M0 processors |
emilmont | 1:fdd22bb7aa52 | 1014 | */ |
mbed_official | 3:7a284390b0ce | 1015 | static __INLINE q31_t __SMUSD( |
emilmont | 1:fdd22bb7aa52 | 1016 | q31_t x, |
emilmont | 1:fdd22bb7aa52 | 1017 | q31_t y) |
emilmont | 1:fdd22bb7aa52 | 1018 | { |
emilmont | 1:fdd22bb7aa52 | 1019 | |
emilmont | 1:fdd22bb7aa52 | 1020 | return (-((x >> 16) * (y >> 16)) + |
emilmont | 1:fdd22bb7aa52 | 1021 | (((x << 16) >> 16) * ((y << 16) >> 16))); |
emilmont | 1:fdd22bb7aa52 | 1022 | } |
emilmont | 1:fdd22bb7aa52 | 1023 | |
emilmont | 1:fdd22bb7aa52 | 1024 | |
emilmont | 1:fdd22bb7aa52 | 1025 | /* |
emilmont | 1:fdd22bb7aa52 | 1026 | * @brief C custom defined SXTB16 for M3 and M0 processors |
emilmont | 1:fdd22bb7aa52 | 1027 | */ |
mbed_official | 3:7a284390b0ce | 1028 | static __INLINE q31_t __SXTB16( |
emilmont | 1:fdd22bb7aa52 | 1029 | q31_t x) |
emilmont | 1:fdd22bb7aa52 | 1030 | { |
emilmont | 1:fdd22bb7aa52 | 1031 | |
emilmont | 1:fdd22bb7aa52 | 1032 | return ((((x << 24) >> 24) & 0x0000FFFF) | |
emilmont | 1:fdd22bb7aa52 | 1033 | (((x << 8) >> 8) & 0xFFFF0000)); |
emilmont | 1:fdd22bb7aa52 | 1034 | } |
emilmont | 1:fdd22bb7aa52 | 1035 | |
emilmont | 1:fdd22bb7aa52 | 1036 | |
mbed_official | 3:7a284390b0ce | 1037 | #endif /* defined (ARM_MATH_CM3) || defined (ARM_MATH_CM0_FAMILY) */ |
emilmont | 1:fdd22bb7aa52 | 1038 | |
emilmont | 1:fdd22bb7aa52 | 1039 | |
emilmont | 1:fdd22bb7aa52 | 1040 | /** |
emilmont | 1:fdd22bb7aa52 | 1041 | * @brief Instance structure for the Q7 FIR filter. |
emilmont | 1:fdd22bb7aa52 | 1042 | */ |
emilmont | 1:fdd22bb7aa52 | 1043 | typedef struct |
emilmont | 1:fdd22bb7aa52 | 1044 | { |
emilmont | 1:fdd22bb7aa52 | 1045 | uint16_t numTaps; /**< number of filter coefficients in the filter. */ |
emilmont | 1:fdd22bb7aa52 | 1046 | q7_t *pState; /**< points to the state variable array. The array is of length numTaps+blockSize-1. */ |
emilmont | 1:fdd22bb7aa52 | 1047 | q7_t *pCoeffs; /**< points to the coefficient array. The array is of length numTaps.*/ |
emilmont | 1:fdd22bb7aa52 | 1048 | } arm_fir_instance_q7; |
emilmont | 1:fdd22bb7aa52 | 1049 | |
emilmont | 1:fdd22bb7aa52 | 1050 | /** |
emilmont | 1:fdd22bb7aa52 | 1051 | * @brief Instance structure for the Q15 FIR filter. |
emilmont | 1:fdd22bb7aa52 | 1052 | */ |
emilmont | 1:fdd22bb7aa52 | 1053 | typedef struct |
emilmont | 1:fdd22bb7aa52 | 1054 | { |
emilmont | 1:fdd22bb7aa52 | 1055 | uint16_t numTaps; /**< number of filter coefficients in the filter. */ |
emilmont | 1:fdd22bb7aa52 | 1056 | q15_t *pState; /**< points to the state variable array. The array is of length numTaps+blockSize-1. */ |
emilmont | 1:fdd22bb7aa52 | 1057 | q15_t *pCoeffs; /**< points to the coefficient array. The array is of length numTaps.*/ |
emilmont | 1:fdd22bb7aa52 | 1058 | } arm_fir_instance_q15; |
emilmont | 1:fdd22bb7aa52 | 1059 | |
emilmont | 1:fdd22bb7aa52 | 1060 | /** |
emilmont | 1:fdd22bb7aa52 | 1061 | * @brief Instance structure for the Q31 FIR filter. |
emilmont | 1:fdd22bb7aa52 | 1062 | */ |
emilmont | 1:fdd22bb7aa52 | 1063 | typedef struct |
emilmont | 1:fdd22bb7aa52 | 1064 | { |
emilmont | 1:fdd22bb7aa52 | 1065 | uint16_t numTaps; /**< number of filter coefficients in the filter. */ |
emilmont | 1:fdd22bb7aa52 | 1066 | q31_t *pState; /**< points to the state variable array. The array is of length numTaps+blockSize-1. */ |
emilmont | 1:fdd22bb7aa52 | 1067 | q31_t *pCoeffs; /**< points to the coefficient array. The array is of length numTaps. */ |
emilmont | 1:fdd22bb7aa52 | 1068 | } arm_fir_instance_q31; |
emilmont | 1:fdd22bb7aa52 | 1069 | |
emilmont | 1:fdd22bb7aa52 | 1070 | /** |
emilmont | 1:fdd22bb7aa52 | 1071 | * @brief Instance structure for the floating-point FIR filter. |
emilmont | 1:fdd22bb7aa52 | 1072 | */ |
emilmont | 1:fdd22bb7aa52 | 1073 | typedef struct |
emilmont | 1:fdd22bb7aa52 | 1074 | { |
emilmont | 1:fdd22bb7aa52 | 1075 | uint16_t numTaps; /**< number of filter coefficients in the filter. */ |
emilmont | 1:fdd22bb7aa52 | 1076 | float32_t *pState; /**< points to the state variable array. The array is of length numTaps+blockSize-1. */ |
emilmont | 1:fdd22bb7aa52 | 1077 | float32_t *pCoeffs; /**< points to the coefficient array. The array is of length numTaps. */ |
emilmont | 1:fdd22bb7aa52 | 1078 | } arm_fir_instance_f32; |
emilmont | 1:fdd22bb7aa52 | 1079 | |
emilmont | 1:fdd22bb7aa52 | 1080 | |
emilmont | 1:fdd22bb7aa52 | 1081 | /** |
emilmont | 1:fdd22bb7aa52 | 1082 | * @brief Processing function for the Q7 FIR filter. |
emilmont | 1:fdd22bb7aa52 | 1083 | * @param[in] *S points to an instance of the Q7 FIR filter structure. |
emilmont | 1:fdd22bb7aa52 | 1084 | * @param[in] *pSrc points to the block of input data. |
emilmont | 1:fdd22bb7aa52 | 1085 | * @param[out] *pDst points to the block of output data. |
emilmont | 1:fdd22bb7aa52 | 1086 | * @param[in] blockSize number of samples to process. |
emilmont | 1:fdd22bb7aa52 | 1087 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 1088 | */ |
emilmont | 1:fdd22bb7aa52 | 1089 | void arm_fir_q7( |
emilmont | 1:fdd22bb7aa52 | 1090 | const arm_fir_instance_q7 * S, |
emilmont | 1:fdd22bb7aa52 | 1091 | q7_t * pSrc, |
emilmont | 1:fdd22bb7aa52 | 1092 | q7_t * pDst, |
emilmont | 1:fdd22bb7aa52 | 1093 | uint32_t blockSize); |
emilmont | 1:fdd22bb7aa52 | 1094 | |
emilmont | 1:fdd22bb7aa52 | 1095 | |
emilmont | 1:fdd22bb7aa52 | 1096 | /** |
emilmont | 1:fdd22bb7aa52 | 1097 | * @brief Initialization function for the Q7 FIR filter. |
emilmont | 1:fdd22bb7aa52 | 1098 | * @param[in,out] *S points to an instance of the Q7 FIR structure. |
emilmont | 1:fdd22bb7aa52 | 1099 | * @param[in] numTaps Number of filter coefficients in the filter. |
emilmont | 1:fdd22bb7aa52 | 1100 | * @param[in] *pCoeffs points to the filter coefficients. |
emilmont | 1:fdd22bb7aa52 | 1101 | * @param[in] *pState points to the state buffer. |
emilmont | 1:fdd22bb7aa52 | 1102 | * @param[in] blockSize number of samples that are processed. |
emilmont | 1:fdd22bb7aa52 | 1103 | * @return none |
emilmont | 1:fdd22bb7aa52 | 1104 | */ |
emilmont | 1:fdd22bb7aa52 | 1105 | void arm_fir_init_q7( |
emilmont | 1:fdd22bb7aa52 | 1106 | arm_fir_instance_q7 * S, |
emilmont | 1:fdd22bb7aa52 | 1107 | uint16_t numTaps, |
emilmont | 1:fdd22bb7aa52 | 1108 | q7_t * pCoeffs, |
emilmont | 1:fdd22bb7aa52 | 1109 | q7_t * pState, |
emilmont | 1:fdd22bb7aa52 | 1110 | uint32_t blockSize); |
emilmont | 1:fdd22bb7aa52 | 1111 | |
emilmont | 1:fdd22bb7aa52 | 1112 | |
emilmont | 1:fdd22bb7aa52 | 1113 | /** |
emilmont | 1:fdd22bb7aa52 | 1114 | * @brief Processing function for the Q15 FIR filter. |
emilmont | 1:fdd22bb7aa52 | 1115 | * @param[in] *S points to an instance of the Q15 FIR structure. |
emilmont | 1:fdd22bb7aa52 | 1116 | * @param[in] *pSrc points to the block of input data. |
emilmont | 1:fdd22bb7aa52 | 1117 | * @param[out] *pDst points to the block of output data. |
emilmont | 1:fdd22bb7aa52 | 1118 | * @param[in] blockSize number of samples to process. |
emilmont | 1:fdd22bb7aa52 | 1119 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 1120 | */ |
emilmont | 1:fdd22bb7aa52 | 1121 | void arm_fir_q15( |
emilmont | 1:fdd22bb7aa52 | 1122 | const arm_fir_instance_q15 * S, |
emilmont | 1:fdd22bb7aa52 | 1123 | q15_t * pSrc, |
emilmont | 1:fdd22bb7aa52 | 1124 | q15_t * pDst, |
emilmont | 1:fdd22bb7aa52 | 1125 | uint32_t blockSize); |
emilmont | 1:fdd22bb7aa52 | 1126 | |
emilmont | 1:fdd22bb7aa52 | 1127 | /** |
emilmont | 1:fdd22bb7aa52 | 1128 | * @brief Processing function for the fast Q15 FIR filter for Cortex-M3 and Cortex-M4. |
emilmont | 1:fdd22bb7aa52 | 1129 | * @param[in] *S points to an instance of the Q15 FIR filter structure. |
emilmont | 1:fdd22bb7aa52 | 1130 | * @param[in] *pSrc points to the block of input data. |
emilmont | 1:fdd22bb7aa52 | 1131 | * @param[out] *pDst points to the block of output data. |
emilmont | 1:fdd22bb7aa52 | 1132 | * @param[in] blockSize number of samples to process. |
emilmont | 1:fdd22bb7aa52 | 1133 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 1134 | */ |
emilmont | 1:fdd22bb7aa52 | 1135 | void arm_fir_fast_q15( |
emilmont | 1:fdd22bb7aa52 | 1136 | const arm_fir_instance_q15 * S, |
emilmont | 1:fdd22bb7aa52 | 1137 | q15_t * pSrc, |
emilmont | 1:fdd22bb7aa52 | 1138 | q15_t * pDst, |
emilmont | 1:fdd22bb7aa52 | 1139 | uint32_t blockSize); |
emilmont | 1:fdd22bb7aa52 | 1140 | |
emilmont | 1:fdd22bb7aa52 | 1141 | /** |
emilmont | 1:fdd22bb7aa52 | 1142 | * @brief Initialization function for the Q15 FIR filter. |
emilmont | 1:fdd22bb7aa52 | 1143 | * @param[in,out] *S points to an instance of the Q15 FIR filter structure. |
emilmont | 1:fdd22bb7aa52 | 1144 | * @param[in] numTaps Number of filter coefficients in the filter. Must be even and greater than or equal to 4. |
emilmont | 1:fdd22bb7aa52 | 1145 | * @param[in] *pCoeffs points to the filter coefficients. |
emilmont | 1:fdd22bb7aa52 | 1146 | * @param[in] *pState points to the state buffer. |
emilmont | 1:fdd22bb7aa52 | 1147 | * @param[in] blockSize number of samples that are processed at a time. |
emilmont | 1:fdd22bb7aa52 | 1148 | * @return The function returns ARM_MATH_SUCCESS if initialization was successful or ARM_MATH_ARGUMENT_ERROR if |
emilmont | 1:fdd22bb7aa52 | 1149 | * <code>numTaps</code> is not a supported value. |
emilmont | 1:fdd22bb7aa52 | 1150 | */ |
emilmont | 1:fdd22bb7aa52 | 1151 | |
emilmont | 1:fdd22bb7aa52 | 1152 | arm_status arm_fir_init_q15( |
emilmont | 1:fdd22bb7aa52 | 1153 | arm_fir_instance_q15 * S, |
emilmont | 1:fdd22bb7aa52 | 1154 | uint16_t numTaps, |
emilmont | 1:fdd22bb7aa52 | 1155 | q15_t * pCoeffs, |
emilmont | 1:fdd22bb7aa52 | 1156 | q15_t * pState, |
emilmont | 1:fdd22bb7aa52 | 1157 | uint32_t blockSize); |
emilmont | 1:fdd22bb7aa52 | 1158 | |
emilmont | 1:fdd22bb7aa52 | 1159 | /** |
emilmont | 1:fdd22bb7aa52 | 1160 | * @brief Processing function for the Q31 FIR filter. |
emilmont | 1:fdd22bb7aa52 | 1161 | * @param[in] *S points to an instance of the Q31 FIR filter structure. |
emilmont | 1:fdd22bb7aa52 | 1162 | * @param[in] *pSrc points to the block of input data. |
emilmont | 1:fdd22bb7aa52 | 1163 | * @param[out] *pDst points to the block of output data. |
emilmont | 1:fdd22bb7aa52 | 1164 | * @param[in] blockSize number of samples to process. |
emilmont | 1:fdd22bb7aa52 | 1165 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 1166 | */ |
emilmont | 1:fdd22bb7aa52 | 1167 | void arm_fir_q31( |
emilmont | 1:fdd22bb7aa52 | 1168 | const arm_fir_instance_q31 * S, |
emilmont | 1:fdd22bb7aa52 | 1169 | q31_t * pSrc, |
emilmont | 1:fdd22bb7aa52 | 1170 | q31_t * pDst, |
emilmont | 1:fdd22bb7aa52 | 1171 | uint32_t blockSize); |
emilmont | 1:fdd22bb7aa52 | 1172 | |
emilmont | 1:fdd22bb7aa52 | 1173 | /** |
emilmont | 1:fdd22bb7aa52 | 1174 | * @brief Processing function for the fast Q31 FIR filter for Cortex-M3 and Cortex-M4. |
emilmont | 1:fdd22bb7aa52 | 1175 | * @param[in] *S points to an instance of the Q31 FIR structure. |
emilmont | 1:fdd22bb7aa52 | 1176 | * @param[in] *pSrc points to the block of input data. |
emilmont | 1:fdd22bb7aa52 | 1177 | * @param[out] *pDst points to the block of output data. |
emilmont | 1:fdd22bb7aa52 | 1178 | * @param[in] blockSize number of samples to process. |
emilmont | 1:fdd22bb7aa52 | 1179 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 1180 | */ |
emilmont | 1:fdd22bb7aa52 | 1181 | void arm_fir_fast_q31( |
emilmont | 1:fdd22bb7aa52 | 1182 | const arm_fir_instance_q31 * S, |
emilmont | 1:fdd22bb7aa52 | 1183 | q31_t * pSrc, |
emilmont | 1:fdd22bb7aa52 | 1184 | q31_t * pDst, |
emilmont | 1:fdd22bb7aa52 | 1185 | uint32_t blockSize); |
emilmont | 1:fdd22bb7aa52 | 1186 | |
emilmont | 1:fdd22bb7aa52 | 1187 | /** |
emilmont | 1:fdd22bb7aa52 | 1188 | * @brief Initialization function for the Q31 FIR filter. |
emilmont | 1:fdd22bb7aa52 | 1189 | * @param[in,out] *S points to an instance of the Q31 FIR structure. |
emilmont | 2:da51fb522205 | 1190 | * @param[in] numTaps Number of filter coefficients in the filter. |
emilmont | 2:da51fb522205 | 1191 | * @param[in] *pCoeffs points to the filter coefficients. |
emilmont | 2:da51fb522205 | 1192 | * @param[in] *pState points to the state buffer. |
emilmont | 2:da51fb522205 | 1193 | * @param[in] blockSize number of samples that are processed at a time. |
emilmont | 2:da51fb522205 | 1194 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 1195 | */ |
emilmont | 1:fdd22bb7aa52 | 1196 | void arm_fir_init_q31( |
emilmont | 1:fdd22bb7aa52 | 1197 | arm_fir_instance_q31 * S, |
emilmont | 1:fdd22bb7aa52 | 1198 | uint16_t numTaps, |
emilmont | 1:fdd22bb7aa52 | 1199 | q31_t * pCoeffs, |
emilmont | 1:fdd22bb7aa52 | 1200 | q31_t * pState, |
emilmont | 1:fdd22bb7aa52 | 1201 | uint32_t blockSize); |
emilmont | 1:fdd22bb7aa52 | 1202 | |
emilmont | 1:fdd22bb7aa52 | 1203 | /** |
emilmont | 1:fdd22bb7aa52 | 1204 | * @brief Processing function for the floating-point FIR filter. |
emilmont | 1:fdd22bb7aa52 | 1205 | * @param[in] *S points to an instance of the floating-point FIR structure. |
emilmont | 1:fdd22bb7aa52 | 1206 | * @param[in] *pSrc points to the block of input data. |
emilmont | 1:fdd22bb7aa52 | 1207 | * @param[out] *pDst points to the block of output data. |
emilmont | 1:fdd22bb7aa52 | 1208 | * @param[in] blockSize number of samples to process. |
emilmont | 1:fdd22bb7aa52 | 1209 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 1210 | */ |
emilmont | 1:fdd22bb7aa52 | 1211 | void arm_fir_f32( |
emilmont | 1:fdd22bb7aa52 | 1212 | const arm_fir_instance_f32 * S, |
emilmont | 1:fdd22bb7aa52 | 1213 | float32_t * pSrc, |
emilmont | 1:fdd22bb7aa52 | 1214 | float32_t * pDst, |
emilmont | 1:fdd22bb7aa52 | 1215 | uint32_t blockSize); |
emilmont | 1:fdd22bb7aa52 | 1216 | |
emilmont | 1:fdd22bb7aa52 | 1217 | /** |
emilmont | 1:fdd22bb7aa52 | 1218 | * @brief Initialization function for the floating-point FIR filter. |
emilmont | 1:fdd22bb7aa52 | 1219 | * @param[in,out] *S points to an instance of the floating-point FIR filter structure. |
emilmont | 2:da51fb522205 | 1220 | * @param[in] numTaps Number of filter coefficients in the filter. |
emilmont | 2:da51fb522205 | 1221 | * @param[in] *pCoeffs points to the filter coefficients. |
emilmont | 2:da51fb522205 | 1222 | * @param[in] *pState points to the state buffer. |
emilmont | 2:da51fb522205 | 1223 | * @param[in] blockSize number of samples that are processed at a time. |
emilmont | 2:da51fb522205 | 1224 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 1225 | */ |
emilmont | 1:fdd22bb7aa52 | 1226 | void arm_fir_init_f32( |
emilmont | 1:fdd22bb7aa52 | 1227 | arm_fir_instance_f32 * S, |
emilmont | 1:fdd22bb7aa52 | 1228 | uint16_t numTaps, |
emilmont | 1:fdd22bb7aa52 | 1229 | float32_t * pCoeffs, |
emilmont | 1:fdd22bb7aa52 | 1230 | float32_t * pState, |
emilmont | 1:fdd22bb7aa52 | 1231 | uint32_t blockSize); |
emilmont | 1:fdd22bb7aa52 | 1232 | |
emilmont | 1:fdd22bb7aa52 | 1233 | |
emilmont | 1:fdd22bb7aa52 | 1234 | /** |
emilmont | 1:fdd22bb7aa52 | 1235 | * @brief Instance structure for the Q15 Biquad cascade filter. |
emilmont | 1:fdd22bb7aa52 | 1236 | */ |
emilmont | 1:fdd22bb7aa52 | 1237 | typedef struct |
emilmont | 1:fdd22bb7aa52 | 1238 | { |
emilmont | 1:fdd22bb7aa52 | 1239 | int8_t numStages; /**< number of 2nd order stages in the filter. Overall order is 2*numStages. */ |
emilmont | 1:fdd22bb7aa52 | 1240 | q15_t *pState; /**< Points to the array of state coefficients. The array is of length 4*numStages. */ |
emilmont | 1:fdd22bb7aa52 | 1241 | q15_t *pCoeffs; /**< Points to the array of coefficients. The array is of length 5*numStages. */ |
emilmont | 1:fdd22bb7aa52 | 1242 | int8_t postShift; /**< Additional shift, in bits, applied to each output sample. */ |
emilmont | 1:fdd22bb7aa52 | 1243 | |
emilmont | 1:fdd22bb7aa52 | 1244 | } arm_biquad_casd_df1_inst_q15; |
emilmont | 1:fdd22bb7aa52 | 1245 | |
emilmont | 1:fdd22bb7aa52 | 1246 | |
emilmont | 1:fdd22bb7aa52 | 1247 | /** |
emilmont | 1:fdd22bb7aa52 | 1248 | * @brief Instance structure for the Q31 Biquad cascade filter. |
emilmont | 1:fdd22bb7aa52 | 1249 | */ |
emilmont | 1:fdd22bb7aa52 | 1250 | typedef struct |
emilmont | 1:fdd22bb7aa52 | 1251 | { |
emilmont | 1:fdd22bb7aa52 | 1252 | uint32_t numStages; /**< number of 2nd order stages in the filter. Overall order is 2*numStages. */ |
emilmont | 1:fdd22bb7aa52 | 1253 | q31_t *pState; /**< Points to the array of state coefficients. The array is of length 4*numStages. */ |
emilmont | 1:fdd22bb7aa52 | 1254 | q31_t *pCoeffs; /**< Points to the array of coefficients. The array is of length 5*numStages. */ |
emilmont | 1:fdd22bb7aa52 | 1255 | uint8_t postShift; /**< Additional shift, in bits, applied to each output sample. */ |
emilmont | 1:fdd22bb7aa52 | 1256 | |
emilmont | 1:fdd22bb7aa52 | 1257 | } arm_biquad_casd_df1_inst_q31; |
emilmont | 1:fdd22bb7aa52 | 1258 | |
emilmont | 1:fdd22bb7aa52 | 1259 | /** |
emilmont | 1:fdd22bb7aa52 | 1260 | * @brief Instance structure for the floating-point Biquad cascade filter. |
emilmont | 1:fdd22bb7aa52 | 1261 | */ |
emilmont | 1:fdd22bb7aa52 | 1262 | typedef struct |
emilmont | 1:fdd22bb7aa52 | 1263 | { |
emilmont | 1:fdd22bb7aa52 | 1264 | uint32_t numStages; /**< number of 2nd order stages in the filter. Overall order is 2*numStages. */ |
emilmont | 1:fdd22bb7aa52 | 1265 | float32_t *pState; /**< Points to the array of state coefficients. The array is of length 4*numStages. */ |
emilmont | 1:fdd22bb7aa52 | 1266 | float32_t *pCoeffs; /**< Points to the array of coefficients. The array is of length 5*numStages. */ |
emilmont | 1:fdd22bb7aa52 | 1267 | |
emilmont | 1:fdd22bb7aa52 | 1268 | |
emilmont | 1:fdd22bb7aa52 | 1269 | } arm_biquad_casd_df1_inst_f32; |
emilmont | 1:fdd22bb7aa52 | 1270 | |
emilmont | 1:fdd22bb7aa52 | 1271 | |
emilmont | 1:fdd22bb7aa52 | 1272 | |
emilmont | 1:fdd22bb7aa52 | 1273 | /** |
emilmont | 1:fdd22bb7aa52 | 1274 | * @brief Processing function for the Q15 Biquad cascade filter. |
emilmont | 1:fdd22bb7aa52 | 1275 | * @param[in] *S points to an instance of the Q15 Biquad cascade structure. |
emilmont | 1:fdd22bb7aa52 | 1276 | * @param[in] *pSrc points to the block of input data. |
emilmont | 1:fdd22bb7aa52 | 1277 | * @param[out] *pDst points to the block of output data. |
emilmont | 1:fdd22bb7aa52 | 1278 | * @param[in] blockSize number of samples to process. |
emilmont | 1:fdd22bb7aa52 | 1279 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 1280 | */ |
emilmont | 1:fdd22bb7aa52 | 1281 | |
emilmont | 1:fdd22bb7aa52 | 1282 | void arm_biquad_cascade_df1_q15( |
emilmont | 1:fdd22bb7aa52 | 1283 | const arm_biquad_casd_df1_inst_q15 * S, |
emilmont | 1:fdd22bb7aa52 | 1284 | q15_t * pSrc, |
emilmont | 1:fdd22bb7aa52 | 1285 | q15_t * pDst, |
emilmont | 1:fdd22bb7aa52 | 1286 | uint32_t blockSize); |
emilmont | 1:fdd22bb7aa52 | 1287 | |
emilmont | 1:fdd22bb7aa52 | 1288 | /** |
emilmont | 1:fdd22bb7aa52 | 1289 | * @brief Initialization function for the Q15 Biquad cascade filter. |
emilmont | 1:fdd22bb7aa52 | 1290 | * @param[in,out] *S points to an instance of the Q15 Biquad cascade structure. |
emilmont | 1:fdd22bb7aa52 | 1291 | * @param[in] numStages number of 2nd order stages in the filter. |
emilmont | 1:fdd22bb7aa52 | 1292 | * @param[in] *pCoeffs points to the filter coefficients. |
emilmont | 1:fdd22bb7aa52 | 1293 | * @param[in] *pState points to the state buffer. |
emilmont | 1:fdd22bb7aa52 | 1294 | * @param[in] postShift Shift to be applied to the output. Varies according to the coefficients format |
emilmont | 1:fdd22bb7aa52 | 1295 | * @return none |
emilmont | 1:fdd22bb7aa52 | 1296 | */ |
emilmont | 1:fdd22bb7aa52 | 1297 | |
emilmont | 1:fdd22bb7aa52 | 1298 | void arm_biquad_cascade_df1_init_q15( |
emilmont | 1:fdd22bb7aa52 | 1299 | arm_biquad_casd_df1_inst_q15 * S, |
emilmont | 1:fdd22bb7aa52 | 1300 | uint8_t numStages, |
emilmont | 1:fdd22bb7aa52 | 1301 | q15_t * pCoeffs, |
emilmont | 1:fdd22bb7aa52 | 1302 | q15_t * pState, |
emilmont | 1:fdd22bb7aa52 | 1303 | int8_t postShift); |
emilmont | 1:fdd22bb7aa52 | 1304 | |
emilmont | 1:fdd22bb7aa52 | 1305 | |
emilmont | 1:fdd22bb7aa52 | 1306 | /** |
emilmont | 1:fdd22bb7aa52 | 1307 | * @brief Fast but less precise processing function for the Q15 Biquad cascade filter for Cortex-M3 and Cortex-M4. |
emilmont | 1:fdd22bb7aa52 | 1308 | * @param[in] *S points to an instance of the Q15 Biquad cascade structure. |
emilmont | 1:fdd22bb7aa52 | 1309 | * @param[in] *pSrc points to the block of input data. |
emilmont | 1:fdd22bb7aa52 | 1310 | * @param[out] *pDst points to the block of output data. |
emilmont | 1:fdd22bb7aa52 | 1311 | * @param[in] blockSize number of samples to process. |
emilmont | 1:fdd22bb7aa52 | 1312 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 1313 | */ |
emilmont | 1:fdd22bb7aa52 | 1314 | |
emilmont | 1:fdd22bb7aa52 | 1315 | void arm_biquad_cascade_df1_fast_q15( |
emilmont | 1:fdd22bb7aa52 | 1316 | const arm_biquad_casd_df1_inst_q15 * S, |
emilmont | 1:fdd22bb7aa52 | 1317 | q15_t * pSrc, |
emilmont | 1:fdd22bb7aa52 | 1318 | q15_t * pDst, |
emilmont | 1:fdd22bb7aa52 | 1319 | uint32_t blockSize); |
emilmont | 1:fdd22bb7aa52 | 1320 | |
emilmont | 1:fdd22bb7aa52 | 1321 | |
emilmont | 1:fdd22bb7aa52 | 1322 | /** |
emilmont | 1:fdd22bb7aa52 | 1323 | * @brief Processing function for the Q31 Biquad cascade filter |
emilmont | 1:fdd22bb7aa52 | 1324 | * @param[in] *S points to an instance of the Q31 Biquad cascade structure. |
emilmont | 1:fdd22bb7aa52 | 1325 | * @param[in] *pSrc points to the block of input data. |
emilmont | 1:fdd22bb7aa52 | 1326 | * @param[out] *pDst points to the block of output data. |
emilmont | 1:fdd22bb7aa52 | 1327 | * @param[in] blockSize number of samples to process. |
emilmont | 1:fdd22bb7aa52 | 1328 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 1329 | */ |
emilmont | 1:fdd22bb7aa52 | 1330 | |
emilmont | 1:fdd22bb7aa52 | 1331 | void arm_biquad_cascade_df1_q31( |
emilmont | 1:fdd22bb7aa52 | 1332 | const arm_biquad_casd_df1_inst_q31 * S, |
emilmont | 1:fdd22bb7aa52 | 1333 | q31_t * pSrc, |
emilmont | 1:fdd22bb7aa52 | 1334 | q31_t * pDst, |
emilmont | 1:fdd22bb7aa52 | 1335 | uint32_t blockSize); |
emilmont | 1:fdd22bb7aa52 | 1336 | |
emilmont | 1:fdd22bb7aa52 | 1337 | /** |
emilmont | 1:fdd22bb7aa52 | 1338 | * @brief Fast but less precise processing function for the Q31 Biquad cascade filter for Cortex-M3 and Cortex-M4. |
emilmont | 1:fdd22bb7aa52 | 1339 | * @param[in] *S points to an instance of the Q31 Biquad cascade structure. |
emilmont | 1:fdd22bb7aa52 | 1340 | * @param[in] *pSrc points to the block of input data. |
emilmont | 1:fdd22bb7aa52 | 1341 | * @param[out] *pDst points to the block of output data. |
emilmont | 1:fdd22bb7aa52 | 1342 | * @param[in] blockSize number of samples to process. |
emilmont | 1:fdd22bb7aa52 | 1343 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 1344 | */ |
emilmont | 1:fdd22bb7aa52 | 1345 | |
emilmont | 1:fdd22bb7aa52 | 1346 | void arm_biquad_cascade_df1_fast_q31( |
emilmont | 1:fdd22bb7aa52 | 1347 | const arm_biquad_casd_df1_inst_q31 * S, |
emilmont | 1:fdd22bb7aa52 | 1348 | q31_t * pSrc, |
emilmont | 1:fdd22bb7aa52 | 1349 | q31_t * pDst, |
emilmont | 1:fdd22bb7aa52 | 1350 | uint32_t blockSize); |
emilmont | 1:fdd22bb7aa52 | 1351 | |
emilmont | 1:fdd22bb7aa52 | 1352 | /** |
emilmont | 1:fdd22bb7aa52 | 1353 | * @brief Initialization function for the Q31 Biquad cascade filter. |
emilmont | 1:fdd22bb7aa52 | 1354 | * @param[in,out] *S points to an instance of the Q31 Biquad cascade structure. |
emilmont | 1:fdd22bb7aa52 | 1355 | * @param[in] numStages number of 2nd order stages in the filter. |
emilmont | 1:fdd22bb7aa52 | 1356 | * @param[in] *pCoeffs points to the filter coefficients. |
emilmont | 1:fdd22bb7aa52 | 1357 | * @param[in] *pState points to the state buffer. |
emilmont | 1:fdd22bb7aa52 | 1358 | * @param[in] postShift Shift to be applied to the output. Varies according to the coefficients format |
emilmont | 1:fdd22bb7aa52 | 1359 | * @return none |
emilmont | 1:fdd22bb7aa52 | 1360 | */ |
emilmont | 1:fdd22bb7aa52 | 1361 | |
emilmont | 1:fdd22bb7aa52 | 1362 | void arm_biquad_cascade_df1_init_q31( |
emilmont | 1:fdd22bb7aa52 | 1363 | arm_biquad_casd_df1_inst_q31 * S, |
emilmont | 1:fdd22bb7aa52 | 1364 | uint8_t numStages, |
emilmont | 1:fdd22bb7aa52 | 1365 | q31_t * pCoeffs, |
emilmont | 1:fdd22bb7aa52 | 1366 | q31_t * pState, |
emilmont | 1:fdd22bb7aa52 | 1367 | int8_t postShift); |
emilmont | 1:fdd22bb7aa52 | 1368 | |
emilmont | 1:fdd22bb7aa52 | 1369 | /** |
emilmont | 1:fdd22bb7aa52 | 1370 | * @brief Processing function for the floating-point Biquad cascade filter. |
emilmont | 1:fdd22bb7aa52 | 1371 | * @param[in] *S points to an instance of the floating-point Biquad cascade structure. |
emilmont | 1:fdd22bb7aa52 | 1372 | * @param[in] *pSrc points to the block of input data. |
emilmont | 1:fdd22bb7aa52 | 1373 | * @param[out] *pDst points to the block of output data. |
emilmont | 1:fdd22bb7aa52 | 1374 | * @param[in] blockSize number of samples to process. |
emilmont | 1:fdd22bb7aa52 | 1375 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 1376 | */ |
emilmont | 1:fdd22bb7aa52 | 1377 | |
emilmont | 1:fdd22bb7aa52 | 1378 | void arm_biquad_cascade_df1_f32( |
emilmont | 1:fdd22bb7aa52 | 1379 | const arm_biquad_casd_df1_inst_f32 * S, |
emilmont | 1:fdd22bb7aa52 | 1380 | float32_t * pSrc, |
emilmont | 1:fdd22bb7aa52 | 1381 | float32_t * pDst, |
emilmont | 1:fdd22bb7aa52 | 1382 | uint32_t blockSize); |
emilmont | 1:fdd22bb7aa52 | 1383 | |
emilmont | 1:fdd22bb7aa52 | 1384 | /** |
emilmont | 1:fdd22bb7aa52 | 1385 | * @brief Initialization function for the floating-point Biquad cascade filter. |
emilmont | 1:fdd22bb7aa52 | 1386 | * @param[in,out] *S points to an instance of the floating-point Biquad cascade structure. |
emilmont | 1:fdd22bb7aa52 | 1387 | * @param[in] numStages number of 2nd order stages in the filter. |
emilmont | 1:fdd22bb7aa52 | 1388 | * @param[in] *pCoeffs points to the filter coefficients. |
emilmont | 1:fdd22bb7aa52 | 1389 | * @param[in] *pState points to the state buffer. |
emilmont | 1:fdd22bb7aa52 | 1390 | * @return none |
emilmont | 1:fdd22bb7aa52 | 1391 | */ |
emilmont | 1:fdd22bb7aa52 | 1392 | |
emilmont | 1:fdd22bb7aa52 | 1393 | void arm_biquad_cascade_df1_init_f32( |
emilmont | 1:fdd22bb7aa52 | 1394 | arm_biquad_casd_df1_inst_f32 * S, |
emilmont | 1:fdd22bb7aa52 | 1395 | uint8_t numStages, |
emilmont | 1:fdd22bb7aa52 | 1396 | float32_t * pCoeffs, |
emilmont | 1:fdd22bb7aa52 | 1397 | float32_t * pState); |
emilmont | 1:fdd22bb7aa52 | 1398 | |
emilmont | 1:fdd22bb7aa52 | 1399 | |
emilmont | 1:fdd22bb7aa52 | 1400 | /** |
emilmont | 1:fdd22bb7aa52 | 1401 | * @brief Instance structure for the floating-point matrix structure. |
emilmont | 1:fdd22bb7aa52 | 1402 | */ |
emilmont | 1:fdd22bb7aa52 | 1403 | |
emilmont | 1:fdd22bb7aa52 | 1404 | typedef struct |
emilmont | 1:fdd22bb7aa52 | 1405 | { |
emilmont | 1:fdd22bb7aa52 | 1406 | uint16_t numRows; /**< number of rows of the matrix. */ |
emilmont | 1:fdd22bb7aa52 | 1407 | uint16_t numCols; /**< number of columns of the matrix. */ |
emilmont | 1:fdd22bb7aa52 | 1408 | float32_t *pData; /**< points to the data of the matrix. */ |
emilmont | 1:fdd22bb7aa52 | 1409 | } arm_matrix_instance_f32; |
emilmont | 1:fdd22bb7aa52 | 1410 | |
emilmont | 1:fdd22bb7aa52 | 1411 | /** |
emilmont | 1:fdd22bb7aa52 | 1412 | * @brief Instance structure for the Q15 matrix structure. |
emilmont | 1:fdd22bb7aa52 | 1413 | */ |
emilmont | 1:fdd22bb7aa52 | 1414 | |
emilmont | 1:fdd22bb7aa52 | 1415 | typedef struct |
emilmont | 1:fdd22bb7aa52 | 1416 | { |
emilmont | 1:fdd22bb7aa52 | 1417 | uint16_t numRows; /**< number of rows of the matrix. */ |
emilmont | 1:fdd22bb7aa52 | 1418 | uint16_t numCols; /**< number of columns of the matrix. */ |
emilmont | 1:fdd22bb7aa52 | 1419 | q15_t *pData; /**< points to the data of the matrix. */ |
emilmont | 1:fdd22bb7aa52 | 1420 | |
emilmont | 1:fdd22bb7aa52 | 1421 | } arm_matrix_instance_q15; |
emilmont | 1:fdd22bb7aa52 | 1422 | |
emilmont | 1:fdd22bb7aa52 | 1423 | /** |
emilmont | 1:fdd22bb7aa52 | 1424 | * @brief Instance structure for the Q31 matrix structure. |
emilmont | 1:fdd22bb7aa52 | 1425 | */ |
emilmont | 1:fdd22bb7aa52 | 1426 | |
emilmont | 1:fdd22bb7aa52 | 1427 | typedef struct |
emilmont | 1:fdd22bb7aa52 | 1428 | { |
emilmont | 1:fdd22bb7aa52 | 1429 | uint16_t numRows; /**< number of rows of the matrix. */ |
emilmont | 1:fdd22bb7aa52 | 1430 | uint16_t numCols; /**< number of columns of the matrix. */ |
emilmont | 1:fdd22bb7aa52 | 1431 | q31_t *pData; /**< points to the data of the matrix. */ |
emilmont | 1:fdd22bb7aa52 | 1432 | |
emilmont | 1:fdd22bb7aa52 | 1433 | } arm_matrix_instance_q31; |
emilmont | 1:fdd22bb7aa52 | 1434 | |
emilmont | 1:fdd22bb7aa52 | 1435 | |
emilmont | 1:fdd22bb7aa52 | 1436 | |
emilmont | 1:fdd22bb7aa52 | 1437 | /** |
emilmont | 1:fdd22bb7aa52 | 1438 | * @brief Floating-point matrix addition. |
emilmont | 1:fdd22bb7aa52 | 1439 | * @param[in] *pSrcA points to the first input matrix structure |
emilmont | 1:fdd22bb7aa52 | 1440 | * @param[in] *pSrcB points to the second input matrix structure |
emilmont | 1:fdd22bb7aa52 | 1441 | * @param[out] *pDst points to output matrix structure |
emilmont | 1:fdd22bb7aa52 | 1442 | * @return The function returns either |
emilmont | 1:fdd22bb7aa52 | 1443 | * <code>ARM_MATH_SIZE_MISMATCH</code> or <code>ARM_MATH_SUCCESS</code> based on the outcome of size checking. |
emilmont | 1:fdd22bb7aa52 | 1444 | */ |
emilmont | 1:fdd22bb7aa52 | 1445 | |
emilmont | 1:fdd22bb7aa52 | 1446 | arm_status arm_mat_add_f32( |
emilmont | 1:fdd22bb7aa52 | 1447 | const arm_matrix_instance_f32 * pSrcA, |
emilmont | 1:fdd22bb7aa52 | 1448 | const arm_matrix_instance_f32 * pSrcB, |
emilmont | 1:fdd22bb7aa52 | 1449 | arm_matrix_instance_f32 * pDst); |
emilmont | 1:fdd22bb7aa52 | 1450 | |
emilmont | 1:fdd22bb7aa52 | 1451 | /** |
emilmont | 1:fdd22bb7aa52 | 1452 | * @brief Q15 matrix addition. |
emilmont | 1:fdd22bb7aa52 | 1453 | * @param[in] *pSrcA points to the first input matrix structure |
emilmont | 1:fdd22bb7aa52 | 1454 | * @param[in] *pSrcB points to the second input matrix structure |
emilmont | 1:fdd22bb7aa52 | 1455 | * @param[out] *pDst points to output matrix structure |
emilmont | 1:fdd22bb7aa52 | 1456 | * @return The function returns either |
emilmont | 1:fdd22bb7aa52 | 1457 | * <code>ARM_MATH_SIZE_MISMATCH</code> or <code>ARM_MATH_SUCCESS</code> based on the outcome of size checking. |
emilmont | 1:fdd22bb7aa52 | 1458 | */ |
emilmont | 1:fdd22bb7aa52 | 1459 | |
emilmont | 1:fdd22bb7aa52 | 1460 | arm_status arm_mat_add_q15( |
emilmont | 1:fdd22bb7aa52 | 1461 | const arm_matrix_instance_q15 * pSrcA, |
emilmont | 1:fdd22bb7aa52 | 1462 | const arm_matrix_instance_q15 * pSrcB, |
emilmont | 1:fdd22bb7aa52 | 1463 | arm_matrix_instance_q15 * pDst); |
emilmont | 1:fdd22bb7aa52 | 1464 | |
emilmont | 1:fdd22bb7aa52 | 1465 | /** |
emilmont | 1:fdd22bb7aa52 | 1466 | * @brief Q31 matrix addition. |
emilmont | 1:fdd22bb7aa52 | 1467 | * @param[in] *pSrcA points to the first input matrix structure |
emilmont | 1:fdd22bb7aa52 | 1468 | * @param[in] *pSrcB points to the second input matrix structure |
emilmont | 1:fdd22bb7aa52 | 1469 | * @param[out] *pDst points to output matrix structure |
emilmont | 1:fdd22bb7aa52 | 1470 | * @return The function returns either |
emilmont | 1:fdd22bb7aa52 | 1471 | * <code>ARM_MATH_SIZE_MISMATCH</code> or <code>ARM_MATH_SUCCESS</code> based on the outcome of size checking. |
emilmont | 1:fdd22bb7aa52 | 1472 | */ |
emilmont | 1:fdd22bb7aa52 | 1473 | |
emilmont | 1:fdd22bb7aa52 | 1474 | arm_status arm_mat_add_q31( |
emilmont | 1:fdd22bb7aa52 | 1475 | const arm_matrix_instance_q31 * pSrcA, |
emilmont | 1:fdd22bb7aa52 | 1476 | const arm_matrix_instance_q31 * pSrcB, |
emilmont | 1:fdd22bb7aa52 | 1477 | arm_matrix_instance_q31 * pDst); |
emilmont | 1:fdd22bb7aa52 | 1478 | |
emilmont | 1:fdd22bb7aa52 | 1479 | |
emilmont | 1:fdd22bb7aa52 | 1480 | /** |
emilmont | 1:fdd22bb7aa52 | 1481 | * @brief Floating-point matrix transpose. |
emilmont | 1:fdd22bb7aa52 | 1482 | * @param[in] *pSrc points to the input matrix |
emilmont | 1:fdd22bb7aa52 | 1483 | * @param[out] *pDst points to the output matrix |
emilmont | 2:da51fb522205 | 1484 | * @return The function returns either <code>ARM_MATH_SIZE_MISMATCH</code> |
emilmont | 1:fdd22bb7aa52 | 1485 | * or <code>ARM_MATH_SUCCESS</code> based on the outcome of size checking. |
emilmont | 1:fdd22bb7aa52 | 1486 | */ |
emilmont | 1:fdd22bb7aa52 | 1487 | |
emilmont | 1:fdd22bb7aa52 | 1488 | arm_status arm_mat_trans_f32( |
emilmont | 1:fdd22bb7aa52 | 1489 | const arm_matrix_instance_f32 * pSrc, |
emilmont | 1:fdd22bb7aa52 | 1490 | arm_matrix_instance_f32 * pDst); |
emilmont | 1:fdd22bb7aa52 | 1491 | |
emilmont | 1:fdd22bb7aa52 | 1492 | |
emilmont | 1:fdd22bb7aa52 | 1493 | /** |
emilmont | 1:fdd22bb7aa52 | 1494 | * @brief Q15 matrix transpose. |
emilmont | 1:fdd22bb7aa52 | 1495 | * @param[in] *pSrc points to the input matrix |
emilmont | 1:fdd22bb7aa52 | 1496 | * @param[out] *pDst points to the output matrix |
emilmont | 2:da51fb522205 | 1497 | * @return The function returns either <code>ARM_MATH_SIZE_MISMATCH</code> |
emilmont | 1:fdd22bb7aa52 | 1498 | * or <code>ARM_MATH_SUCCESS</code> based on the outcome of size checking. |
emilmont | 1:fdd22bb7aa52 | 1499 | */ |
emilmont | 1:fdd22bb7aa52 | 1500 | |
emilmont | 1:fdd22bb7aa52 | 1501 | arm_status arm_mat_trans_q15( |
emilmont | 1:fdd22bb7aa52 | 1502 | const arm_matrix_instance_q15 * pSrc, |
emilmont | 1:fdd22bb7aa52 | 1503 | arm_matrix_instance_q15 * pDst); |
emilmont | 1:fdd22bb7aa52 | 1504 | |
emilmont | 1:fdd22bb7aa52 | 1505 | /** |
emilmont | 1:fdd22bb7aa52 | 1506 | * @brief Q31 matrix transpose. |
emilmont | 1:fdd22bb7aa52 | 1507 | * @param[in] *pSrc points to the input matrix |
emilmont | 1:fdd22bb7aa52 | 1508 | * @param[out] *pDst points to the output matrix |
emilmont | 2:da51fb522205 | 1509 | * @return The function returns either <code>ARM_MATH_SIZE_MISMATCH</code> |
emilmont | 1:fdd22bb7aa52 | 1510 | * or <code>ARM_MATH_SUCCESS</code> based on the outcome of size checking. |
emilmont | 1:fdd22bb7aa52 | 1511 | */ |
emilmont | 1:fdd22bb7aa52 | 1512 | |
emilmont | 1:fdd22bb7aa52 | 1513 | arm_status arm_mat_trans_q31( |
emilmont | 1:fdd22bb7aa52 | 1514 | const arm_matrix_instance_q31 * pSrc, |
emilmont | 1:fdd22bb7aa52 | 1515 | arm_matrix_instance_q31 * pDst); |
emilmont | 1:fdd22bb7aa52 | 1516 | |
emilmont | 1:fdd22bb7aa52 | 1517 | |
emilmont | 1:fdd22bb7aa52 | 1518 | /** |
emilmont | 1:fdd22bb7aa52 | 1519 | * @brief Floating-point matrix multiplication |
emilmont | 1:fdd22bb7aa52 | 1520 | * @param[in] *pSrcA points to the first input matrix structure |
emilmont | 1:fdd22bb7aa52 | 1521 | * @param[in] *pSrcB points to the second input matrix structure |
emilmont | 1:fdd22bb7aa52 | 1522 | * @param[out] *pDst points to output matrix structure |
emilmont | 1:fdd22bb7aa52 | 1523 | * @return The function returns either |
emilmont | 1:fdd22bb7aa52 | 1524 | * <code>ARM_MATH_SIZE_MISMATCH</code> or <code>ARM_MATH_SUCCESS</code> based on the outcome of size checking. |
emilmont | 1:fdd22bb7aa52 | 1525 | */ |
emilmont | 1:fdd22bb7aa52 | 1526 | |
emilmont | 1:fdd22bb7aa52 | 1527 | arm_status arm_mat_mult_f32( |
emilmont | 1:fdd22bb7aa52 | 1528 | const arm_matrix_instance_f32 * pSrcA, |
emilmont | 1:fdd22bb7aa52 | 1529 | const arm_matrix_instance_f32 * pSrcB, |
emilmont | 1:fdd22bb7aa52 | 1530 | arm_matrix_instance_f32 * pDst); |
emilmont | 1:fdd22bb7aa52 | 1531 | |
emilmont | 1:fdd22bb7aa52 | 1532 | /** |
emilmont | 1:fdd22bb7aa52 | 1533 | * @brief Q15 matrix multiplication |
emilmont | 1:fdd22bb7aa52 | 1534 | * @param[in] *pSrcA points to the first input matrix structure |
emilmont | 1:fdd22bb7aa52 | 1535 | * @param[in] *pSrcB points to the second input matrix structure |
emilmont | 1:fdd22bb7aa52 | 1536 | * @param[out] *pDst points to output matrix structure |
mbed_official | 3:7a284390b0ce | 1537 | * @param[in] *pState points to the array for storing intermediate results |
emilmont | 1:fdd22bb7aa52 | 1538 | * @return The function returns either |
emilmont | 1:fdd22bb7aa52 | 1539 | * <code>ARM_MATH_SIZE_MISMATCH</code> or <code>ARM_MATH_SUCCESS</code> based on the outcome of size checking. |
emilmont | 1:fdd22bb7aa52 | 1540 | */ |
emilmont | 1:fdd22bb7aa52 | 1541 | |
emilmont | 1:fdd22bb7aa52 | 1542 | arm_status arm_mat_mult_q15( |
emilmont | 1:fdd22bb7aa52 | 1543 | const arm_matrix_instance_q15 * pSrcA, |
emilmont | 1:fdd22bb7aa52 | 1544 | const arm_matrix_instance_q15 * pSrcB, |
emilmont | 1:fdd22bb7aa52 | 1545 | arm_matrix_instance_q15 * pDst, |
emilmont | 1:fdd22bb7aa52 | 1546 | q15_t * pState); |
emilmont | 1:fdd22bb7aa52 | 1547 | |
emilmont | 1:fdd22bb7aa52 | 1548 | /** |
emilmont | 1:fdd22bb7aa52 | 1549 | * @brief Q15 matrix multiplication (fast variant) for Cortex-M3 and Cortex-M4 |
emilmont | 1:fdd22bb7aa52 | 1550 | * @param[in] *pSrcA points to the first input matrix structure |
emilmont | 1:fdd22bb7aa52 | 1551 | * @param[in] *pSrcB points to the second input matrix structure |
emilmont | 1:fdd22bb7aa52 | 1552 | * @param[out] *pDst points to output matrix structure |
mbed_official | 3:7a284390b0ce | 1553 | * @param[in] *pState points to the array for storing intermediate results |
emilmont | 1:fdd22bb7aa52 | 1554 | * @return The function returns either |
emilmont | 1:fdd22bb7aa52 | 1555 | * <code>ARM_MATH_SIZE_MISMATCH</code> or <code>ARM_MATH_SUCCESS</code> based on the outcome of size checking. |
emilmont | 1:fdd22bb7aa52 | 1556 | */ |
emilmont | 1:fdd22bb7aa52 | 1557 | |
emilmont | 1:fdd22bb7aa52 | 1558 | arm_status arm_mat_mult_fast_q15( |
emilmont | 1:fdd22bb7aa52 | 1559 | const arm_matrix_instance_q15 * pSrcA, |
emilmont | 1:fdd22bb7aa52 | 1560 | const arm_matrix_instance_q15 * pSrcB, |
emilmont | 1:fdd22bb7aa52 | 1561 | arm_matrix_instance_q15 * pDst, |
emilmont | 1:fdd22bb7aa52 | 1562 | q15_t * pState); |
emilmont | 1:fdd22bb7aa52 | 1563 | |
emilmont | 1:fdd22bb7aa52 | 1564 | /** |
emilmont | 1:fdd22bb7aa52 | 1565 | * @brief Q31 matrix multiplication |
emilmont | 1:fdd22bb7aa52 | 1566 | * @param[in] *pSrcA points to the first input matrix structure |
emilmont | 1:fdd22bb7aa52 | 1567 | * @param[in] *pSrcB points to the second input matrix structure |
emilmont | 1:fdd22bb7aa52 | 1568 | * @param[out] *pDst points to output matrix structure |
emilmont | 1:fdd22bb7aa52 | 1569 | * @return The function returns either |
emilmont | 1:fdd22bb7aa52 | 1570 | * <code>ARM_MATH_SIZE_MISMATCH</code> or <code>ARM_MATH_SUCCESS</code> based on the outcome of size checking. |
emilmont | 1:fdd22bb7aa52 | 1571 | */ |
emilmont | 1:fdd22bb7aa52 | 1572 | |
emilmont | 1:fdd22bb7aa52 | 1573 | arm_status arm_mat_mult_q31( |
emilmont | 1:fdd22bb7aa52 | 1574 | const arm_matrix_instance_q31 * pSrcA, |
emilmont | 1:fdd22bb7aa52 | 1575 | const arm_matrix_instance_q31 * pSrcB, |
emilmont | 1:fdd22bb7aa52 | 1576 | arm_matrix_instance_q31 * pDst); |
emilmont | 1:fdd22bb7aa52 | 1577 | |
emilmont | 1:fdd22bb7aa52 | 1578 | /** |
emilmont | 1:fdd22bb7aa52 | 1579 | * @brief Q31 matrix multiplication (fast variant) for Cortex-M3 and Cortex-M4 |
emilmont | 1:fdd22bb7aa52 | 1580 | * @param[in] *pSrcA points to the first input matrix structure |
emilmont | 1:fdd22bb7aa52 | 1581 | * @param[in] *pSrcB points to the second input matrix structure |
emilmont | 1:fdd22bb7aa52 | 1582 | * @param[out] *pDst points to output matrix structure |
emilmont | 1:fdd22bb7aa52 | 1583 | * @return The function returns either |
emilmont | 1:fdd22bb7aa52 | 1584 | * <code>ARM_MATH_SIZE_MISMATCH</code> or <code>ARM_MATH_SUCCESS</code> based on the outcome of size checking. |
emilmont | 1:fdd22bb7aa52 | 1585 | */ |
emilmont | 1:fdd22bb7aa52 | 1586 | |
emilmont | 1:fdd22bb7aa52 | 1587 | arm_status arm_mat_mult_fast_q31( |
emilmont | 1:fdd22bb7aa52 | 1588 | const arm_matrix_instance_q31 * pSrcA, |
emilmont | 1:fdd22bb7aa52 | 1589 | const arm_matrix_instance_q31 * pSrcB, |
emilmont | 1:fdd22bb7aa52 | 1590 | arm_matrix_instance_q31 * pDst); |
emilmont | 1:fdd22bb7aa52 | 1591 | |
emilmont | 1:fdd22bb7aa52 | 1592 | |
emilmont | 1:fdd22bb7aa52 | 1593 | /** |
emilmont | 1:fdd22bb7aa52 | 1594 | * @brief Floating-point matrix subtraction |
emilmont | 1:fdd22bb7aa52 | 1595 | * @param[in] *pSrcA points to the first input matrix structure |
emilmont | 1:fdd22bb7aa52 | 1596 | * @param[in] *pSrcB points to the second input matrix structure |
emilmont | 1:fdd22bb7aa52 | 1597 | * @param[out] *pDst points to output matrix structure |
emilmont | 1:fdd22bb7aa52 | 1598 | * @return The function returns either |
emilmont | 1:fdd22bb7aa52 | 1599 | * <code>ARM_MATH_SIZE_MISMATCH</code> or <code>ARM_MATH_SUCCESS</code> based on the outcome of size checking. |
emilmont | 1:fdd22bb7aa52 | 1600 | */ |
emilmont | 1:fdd22bb7aa52 | 1601 | |
emilmont | 1:fdd22bb7aa52 | 1602 | arm_status arm_mat_sub_f32( |
emilmont | 1:fdd22bb7aa52 | 1603 | const arm_matrix_instance_f32 * pSrcA, |
emilmont | 1:fdd22bb7aa52 | 1604 | const arm_matrix_instance_f32 * pSrcB, |
emilmont | 1:fdd22bb7aa52 | 1605 | arm_matrix_instance_f32 * pDst); |
emilmont | 1:fdd22bb7aa52 | 1606 | |
emilmont | 1:fdd22bb7aa52 | 1607 | /** |
emilmont | 1:fdd22bb7aa52 | 1608 | * @brief Q15 matrix subtraction |
emilmont | 1:fdd22bb7aa52 | 1609 | * @param[in] *pSrcA points to the first input matrix structure |
emilmont | 1:fdd22bb7aa52 | 1610 | * @param[in] *pSrcB points to the second input matrix structure |
emilmont | 1:fdd22bb7aa52 | 1611 | * @param[out] *pDst points to output matrix structure |
emilmont | 1:fdd22bb7aa52 | 1612 | * @return The function returns either |
emilmont | 1:fdd22bb7aa52 | 1613 | * <code>ARM_MATH_SIZE_MISMATCH</code> or <code>ARM_MATH_SUCCESS</code> based on the outcome of size checking. |
emilmont | 1:fdd22bb7aa52 | 1614 | */ |
emilmont | 1:fdd22bb7aa52 | 1615 | |
emilmont | 1:fdd22bb7aa52 | 1616 | arm_status arm_mat_sub_q15( |
emilmont | 1:fdd22bb7aa52 | 1617 | const arm_matrix_instance_q15 * pSrcA, |
emilmont | 1:fdd22bb7aa52 | 1618 | const arm_matrix_instance_q15 * pSrcB, |
emilmont | 1:fdd22bb7aa52 | 1619 | arm_matrix_instance_q15 * pDst); |
emilmont | 1:fdd22bb7aa52 | 1620 | |
emilmont | 1:fdd22bb7aa52 | 1621 | /** |
emilmont | 1:fdd22bb7aa52 | 1622 | * @brief Q31 matrix subtraction |
emilmont | 1:fdd22bb7aa52 | 1623 | * @param[in] *pSrcA points to the first input matrix structure |
emilmont | 1:fdd22bb7aa52 | 1624 | * @param[in] *pSrcB points to the second input matrix structure |
emilmont | 1:fdd22bb7aa52 | 1625 | * @param[out] *pDst points to output matrix structure |
emilmont | 1:fdd22bb7aa52 | 1626 | * @return The function returns either |
emilmont | 1:fdd22bb7aa52 | 1627 | * <code>ARM_MATH_SIZE_MISMATCH</code> or <code>ARM_MATH_SUCCESS</code> based on the outcome of size checking. |
emilmont | 1:fdd22bb7aa52 | 1628 | */ |
emilmont | 1:fdd22bb7aa52 | 1629 | |
emilmont | 1:fdd22bb7aa52 | 1630 | arm_status arm_mat_sub_q31( |
emilmont | 1:fdd22bb7aa52 | 1631 | const arm_matrix_instance_q31 * pSrcA, |
emilmont | 1:fdd22bb7aa52 | 1632 | const arm_matrix_instance_q31 * pSrcB, |
emilmont | 1:fdd22bb7aa52 | 1633 | arm_matrix_instance_q31 * pDst); |
emilmont | 1:fdd22bb7aa52 | 1634 | |
emilmont | 1:fdd22bb7aa52 | 1635 | /** |
emilmont | 1:fdd22bb7aa52 | 1636 | * @brief Floating-point matrix scaling. |
emilmont | 1:fdd22bb7aa52 | 1637 | * @param[in] *pSrc points to the input matrix |
emilmont | 1:fdd22bb7aa52 | 1638 | * @param[in] scale scale factor |
emilmont | 1:fdd22bb7aa52 | 1639 | * @param[out] *pDst points to the output matrix |
emilmont | 1:fdd22bb7aa52 | 1640 | * @return The function returns either |
emilmont | 1:fdd22bb7aa52 | 1641 | * <code>ARM_MATH_SIZE_MISMATCH</code> or <code>ARM_MATH_SUCCESS</code> based on the outcome of size checking. |
emilmont | 1:fdd22bb7aa52 | 1642 | */ |
emilmont | 1:fdd22bb7aa52 | 1643 | |
emilmont | 1:fdd22bb7aa52 | 1644 | arm_status arm_mat_scale_f32( |
emilmont | 1:fdd22bb7aa52 | 1645 | const arm_matrix_instance_f32 * pSrc, |
emilmont | 1:fdd22bb7aa52 | 1646 | float32_t scale, |
emilmont | 1:fdd22bb7aa52 | 1647 | arm_matrix_instance_f32 * pDst); |
emilmont | 1:fdd22bb7aa52 | 1648 | |
emilmont | 1:fdd22bb7aa52 | 1649 | /** |
emilmont | 1:fdd22bb7aa52 | 1650 | * @brief Q15 matrix scaling. |
emilmont | 1:fdd22bb7aa52 | 1651 | * @param[in] *pSrc points to input matrix |
emilmont | 1:fdd22bb7aa52 | 1652 | * @param[in] scaleFract fractional portion of the scale factor |
emilmont | 1:fdd22bb7aa52 | 1653 | * @param[in] shift number of bits to shift the result by |
emilmont | 1:fdd22bb7aa52 | 1654 | * @param[out] *pDst points to output matrix |
emilmont | 1:fdd22bb7aa52 | 1655 | * @return The function returns either |
emilmont | 1:fdd22bb7aa52 | 1656 | * <code>ARM_MATH_SIZE_MISMATCH</code> or <code>ARM_MATH_SUCCESS</code> based on the outcome of size checking. |
emilmont | 1:fdd22bb7aa52 | 1657 | */ |
emilmont | 1:fdd22bb7aa52 | 1658 | |
emilmont | 1:fdd22bb7aa52 | 1659 | arm_status arm_mat_scale_q15( |
emilmont | 1:fdd22bb7aa52 | 1660 | const arm_matrix_instance_q15 * pSrc, |
emilmont | 1:fdd22bb7aa52 | 1661 | q15_t scaleFract, |
emilmont | 1:fdd22bb7aa52 | 1662 | int32_t shift, |
emilmont | 1:fdd22bb7aa52 | 1663 | arm_matrix_instance_q15 * pDst); |
emilmont | 1:fdd22bb7aa52 | 1664 | |
emilmont | 1:fdd22bb7aa52 | 1665 | /** |
emilmont | 1:fdd22bb7aa52 | 1666 | * @brief Q31 matrix scaling. |
emilmont | 1:fdd22bb7aa52 | 1667 | * @param[in] *pSrc points to input matrix |
emilmont | 1:fdd22bb7aa52 | 1668 | * @param[in] scaleFract fractional portion of the scale factor |
emilmont | 1:fdd22bb7aa52 | 1669 | * @param[in] shift number of bits to shift the result by |
emilmont | 1:fdd22bb7aa52 | 1670 | * @param[out] *pDst points to output matrix structure |
emilmont | 1:fdd22bb7aa52 | 1671 | * @return The function returns either |
emilmont | 1:fdd22bb7aa52 | 1672 | * <code>ARM_MATH_SIZE_MISMATCH</code> or <code>ARM_MATH_SUCCESS</code> based on the outcome of size checking. |
emilmont | 1:fdd22bb7aa52 | 1673 | */ |
emilmont | 1:fdd22bb7aa52 | 1674 | |
emilmont | 1:fdd22bb7aa52 | 1675 | arm_status arm_mat_scale_q31( |
emilmont | 1:fdd22bb7aa52 | 1676 | const arm_matrix_instance_q31 * pSrc, |
emilmont | 1:fdd22bb7aa52 | 1677 | q31_t scaleFract, |
emilmont | 1:fdd22bb7aa52 | 1678 | int32_t shift, |
emilmont | 1:fdd22bb7aa52 | 1679 | arm_matrix_instance_q31 * pDst); |
emilmont | 1:fdd22bb7aa52 | 1680 | |
emilmont | 1:fdd22bb7aa52 | 1681 | |
emilmont | 1:fdd22bb7aa52 | 1682 | /** |
emilmont | 1:fdd22bb7aa52 | 1683 | * @brief Q31 matrix initialization. |
emilmont | 1:fdd22bb7aa52 | 1684 | * @param[in,out] *S points to an instance of the floating-point matrix structure. |
emilmont | 1:fdd22bb7aa52 | 1685 | * @param[in] nRows number of rows in the matrix. |
emilmont | 1:fdd22bb7aa52 | 1686 | * @param[in] nColumns number of columns in the matrix. |
emilmont | 2:da51fb522205 | 1687 | * @param[in] *pData points to the matrix data array. |
emilmont | 1:fdd22bb7aa52 | 1688 | * @return none |
emilmont | 1:fdd22bb7aa52 | 1689 | */ |
emilmont | 1:fdd22bb7aa52 | 1690 | |
emilmont | 1:fdd22bb7aa52 | 1691 | void arm_mat_init_q31( |
emilmont | 1:fdd22bb7aa52 | 1692 | arm_matrix_instance_q31 * S, |
emilmont | 1:fdd22bb7aa52 | 1693 | uint16_t nRows, |
emilmont | 1:fdd22bb7aa52 | 1694 | uint16_t nColumns, |
emilmont | 1:fdd22bb7aa52 | 1695 | q31_t * pData); |
emilmont | 1:fdd22bb7aa52 | 1696 | |
emilmont | 1:fdd22bb7aa52 | 1697 | /** |
emilmont | 1:fdd22bb7aa52 | 1698 | * @brief Q15 matrix initialization. |
emilmont | 1:fdd22bb7aa52 | 1699 | * @param[in,out] *S points to an instance of the floating-point matrix structure. |
emilmont | 1:fdd22bb7aa52 | 1700 | * @param[in] nRows number of rows in the matrix. |
emilmont | 1:fdd22bb7aa52 | 1701 | * @param[in] nColumns number of columns in the matrix. |
emilmont | 2:da51fb522205 | 1702 | * @param[in] *pData points to the matrix data array. |
emilmont | 1:fdd22bb7aa52 | 1703 | * @return none |
emilmont | 1:fdd22bb7aa52 | 1704 | */ |
emilmont | 1:fdd22bb7aa52 | 1705 | |
emilmont | 1:fdd22bb7aa52 | 1706 | void arm_mat_init_q15( |
emilmont | 1:fdd22bb7aa52 | 1707 | arm_matrix_instance_q15 * S, |
emilmont | 1:fdd22bb7aa52 | 1708 | uint16_t nRows, |
emilmont | 1:fdd22bb7aa52 | 1709 | uint16_t nColumns, |
emilmont | 1:fdd22bb7aa52 | 1710 | q15_t * pData); |
emilmont | 1:fdd22bb7aa52 | 1711 | |
emilmont | 1:fdd22bb7aa52 | 1712 | /** |
emilmont | 1:fdd22bb7aa52 | 1713 | * @brief Floating-point matrix initialization. |
emilmont | 1:fdd22bb7aa52 | 1714 | * @param[in,out] *S points to an instance of the floating-point matrix structure. |
emilmont | 1:fdd22bb7aa52 | 1715 | * @param[in] nRows number of rows in the matrix. |
emilmont | 1:fdd22bb7aa52 | 1716 | * @param[in] nColumns number of columns in the matrix. |
emilmont | 2:da51fb522205 | 1717 | * @param[in] *pData points to the matrix data array. |
emilmont | 1:fdd22bb7aa52 | 1718 | * @return none |
emilmont | 1:fdd22bb7aa52 | 1719 | */ |
emilmont | 1:fdd22bb7aa52 | 1720 | |
emilmont | 1:fdd22bb7aa52 | 1721 | void arm_mat_init_f32( |
emilmont | 1:fdd22bb7aa52 | 1722 | arm_matrix_instance_f32 * S, |
emilmont | 1:fdd22bb7aa52 | 1723 | uint16_t nRows, |
emilmont | 1:fdd22bb7aa52 | 1724 | uint16_t nColumns, |
emilmont | 1:fdd22bb7aa52 | 1725 | float32_t * pData); |
emilmont | 1:fdd22bb7aa52 | 1726 | |
emilmont | 1:fdd22bb7aa52 | 1727 | |
emilmont | 1:fdd22bb7aa52 | 1728 | |
emilmont | 1:fdd22bb7aa52 | 1729 | /** |
emilmont | 1:fdd22bb7aa52 | 1730 | * @brief Instance structure for the Q15 PID Control. |
emilmont | 1:fdd22bb7aa52 | 1731 | */ |
emilmont | 1:fdd22bb7aa52 | 1732 | typedef struct |
emilmont | 1:fdd22bb7aa52 | 1733 | { |
emilmont | 1:fdd22bb7aa52 | 1734 | q15_t A0; /**< The derived gain, A0 = Kp + Ki + Kd . */ |
mbed_official | 3:7a284390b0ce | 1735 | #ifdef ARM_MATH_CM0_FAMILY |
emilmont | 1:fdd22bb7aa52 | 1736 | q15_t A1; |
emilmont | 1:fdd22bb7aa52 | 1737 | q15_t A2; |
emilmont | 1:fdd22bb7aa52 | 1738 | #else |
emilmont | 1:fdd22bb7aa52 | 1739 | q31_t A1; /**< The derived gain A1 = -Kp - 2Kd | Kd.*/ |
emilmont | 1:fdd22bb7aa52 | 1740 | #endif |
emilmont | 1:fdd22bb7aa52 | 1741 | q15_t state[3]; /**< The state array of length 3. */ |
emilmont | 1:fdd22bb7aa52 | 1742 | q15_t Kp; /**< The proportional gain. */ |
emilmont | 1:fdd22bb7aa52 | 1743 | q15_t Ki; /**< The integral gain. */ |
emilmont | 1:fdd22bb7aa52 | 1744 | q15_t Kd; /**< The derivative gain. */ |
emilmont | 1:fdd22bb7aa52 | 1745 | } arm_pid_instance_q15; |
emilmont | 1:fdd22bb7aa52 | 1746 | |
emilmont | 1:fdd22bb7aa52 | 1747 | /** |
emilmont | 1:fdd22bb7aa52 | 1748 | * @brief Instance structure for the Q31 PID Control. |
emilmont | 1:fdd22bb7aa52 | 1749 | */ |
emilmont | 1:fdd22bb7aa52 | 1750 | typedef struct |
emilmont | 1:fdd22bb7aa52 | 1751 | { |
emilmont | 1:fdd22bb7aa52 | 1752 | q31_t A0; /**< The derived gain, A0 = Kp + Ki + Kd . */ |
emilmont | 1:fdd22bb7aa52 | 1753 | q31_t A1; /**< The derived gain, A1 = -Kp - 2Kd. */ |
emilmont | 1:fdd22bb7aa52 | 1754 | q31_t A2; /**< The derived gain, A2 = Kd . */ |
emilmont | 1:fdd22bb7aa52 | 1755 | q31_t state[3]; /**< The state array of length 3. */ |
emilmont | 1:fdd22bb7aa52 | 1756 | q31_t Kp; /**< The proportional gain. */ |
emilmont | 1:fdd22bb7aa52 | 1757 | q31_t Ki; /**< The integral gain. */ |
emilmont | 1:fdd22bb7aa52 | 1758 | q31_t Kd; /**< The derivative gain. */ |
emilmont | 1:fdd22bb7aa52 | 1759 | |
emilmont | 1:fdd22bb7aa52 | 1760 | } arm_pid_instance_q31; |
emilmont | 1:fdd22bb7aa52 | 1761 | |
emilmont | 1:fdd22bb7aa52 | 1762 | /** |
emilmont | 1:fdd22bb7aa52 | 1763 | * @brief Instance structure for the floating-point PID Control. |
emilmont | 1:fdd22bb7aa52 | 1764 | */ |
emilmont | 1:fdd22bb7aa52 | 1765 | typedef struct |
emilmont | 1:fdd22bb7aa52 | 1766 | { |
emilmont | 1:fdd22bb7aa52 | 1767 | float32_t A0; /**< The derived gain, A0 = Kp + Ki + Kd . */ |
emilmont | 1:fdd22bb7aa52 | 1768 | float32_t A1; /**< The derived gain, A1 = -Kp - 2Kd. */ |
emilmont | 1:fdd22bb7aa52 | 1769 | float32_t A2; /**< The derived gain, A2 = Kd . */ |
emilmont | 1:fdd22bb7aa52 | 1770 | float32_t state[3]; /**< The state array of length 3. */ |
emilmont | 1:fdd22bb7aa52 | 1771 | float32_t Kp; /**< The proportional gain. */ |
emilmont | 1:fdd22bb7aa52 | 1772 | float32_t Ki; /**< The integral gain. */ |
emilmont | 1:fdd22bb7aa52 | 1773 | float32_t Kd; /**< The derivative gain. */ |
emilmont | 1:fdd22bb7aa52 | 1774 | } arm_pid_instance_f32; |
emilmont | 1:fdd22bb7aa52 | 1775 | |
emilmont | 1:fdd22bb7aa52 | 1776 | |
emilmont | 1:fdd22bb7aa52 | 1777 | |
emilmont | 1:fdd22bb7aa52 | 1778 | /** |
emilmont | 1:fdd22bb7aa52 | 1779 | * @brief Initialization function for the floating-point PID Control. |
emilmont | 1:fdd22bb7aa52 | 1780 | * @param[in,out] *S points to an instance of the PID structure. |
emilmont | 1:fdd22bb7aa52 | 1781 | * @param[in] resetStateFlag flag to reset the state. 0 = no change in state 1 = reset the state. |
emilmont | 1:fdd22bb7aa52 | 1782 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 1783 | */ |
emilmont | 1:fdd22bb7aa52 | 1784 | void arm_pid_init_f32( |
emilmont | 1:fdd22bb7aa52 | 1785 | arm_pid_instance_f32 * S, |
emilmont | 1:fdd22bb7aa52 | 1786 | int32_t resetStateFlag); |
emilmont | 1:fdd22bb7aa52 | 1787 | |
emilmont | 1:fdd22bb7aa52 | 1788 | /** |
emilmont | 1:fdd22bb7aa52 | 1789 | * @brief Reset function for the floating-point PID Control. |
emilmont | 1:fdd22bb7aa52 | 1790 | * @param[in,out] *S is an instance of the floating-point PID Control structure |
emilmont | 1:fdd22bb7aa52 | 1791 | * @return none |
emilmont | 1:fdd22bb7aa52 | 1792 | */ |
emilmont | 1:fdd22bb7aa52 | 1793 | void arm_pid_reset_f32( |
emilmont | 1:fdd22bb7aa52 | 1794 | arm_pid_instance_f32 * S); |
emilmont | 1:fdd22bb7aa52 | 1795 | |
emilmont | 1:fdd22bb7aa52 | 1796 | |
emilmont | 1:fdd22bb7aa52 | 1797 | /** |
emilmont | 1:fdd22bb7aa52 | 1798 | * @brief Initialization function for the Q31 PID Control. |
emilmont | 1:fdd22bb7aa52 | 1799 | * @param[in,out] *S points to an instance of the Q15 PID structure. |
emilmont | 1:fdd22bb7aa52 | 1800 | * @param[in] resetStateFlag flag to reset the state. 0 = no change in state 1 = reset the state. |
emilmont | 1:fdd22bb7aa52 | 1801 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 1802 | */ |
emilmont | 1:fdd22bb7aa52 | 1803 | void arm_pid_init_q31( |
emilmont | 1:fdd22bb7aa52 | 1804 | arm_pid_instance_q31 * S, |
emilmont | 1:fdd22bb7aa52 | 1805 | int32_t resetStateFlag); |
emilmont | 1:fdd22bb7aa52 | 1806 | |
emilmont | 1:fdd22bb7aa52 | 1807 | |
emilmont | 1:fdd22bb7aa52 | 1808 | /** |
emilmont | 1:fdd22bb7aa52 | 1809 | * @brief Reset function for the Q31 PID Control. |
emilmont | 1:fdd22bb7aa52 | 1810 | * @param[in,out] *S points to an instance of the Q31 PID Control structure |
emilmont | 1:fdd22bb7aa52 | 1811 | * @return none |
emilmont | 1:fdd22bb7aa52 | 1812 | */ |
emilmont | 1:fdd22bb7aa52 | 1813 | |
emilmont | 1:fdd22bb7aa52 | 1814 | void arm_pid_reset_q31( |
emilmont | 1:fdd22bb7aa52 | 1815 | arm_pid_instance_q31 * S); |
emilmont | 1:fdd22bb7aa52 | 1816 | |
emilmont | 1:fdd22bb7aa52 | 1817 | /** |
emilmont | 1:fdd22bb7aa52 | 1818 | * @brief Initialization function for the Q15 PID Control. |
emilmont | 1:fdd22bb7aa52 | 1819 | * @param[in,out] *S points to an instance of the Q15 PID structure. |
emilmont | 1:fdd22bb7aa52 | 1820 | * @param[in] resetStateFlag flag to reset the state. 0 = no change in state 1 = reset the state. |
emilmont | 1:fdd22bb7aa52 | 1821 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 1822 | */ |
emilmont | 1:fdd22bb7aa52 | 1823 | void arm_pid_init_q15( |
emilmont | 1:fdd22bb7aa52 | 1824 | arm_pid_instance_q15 * S, |
emilmont | 1:fdd22bb7aa52 | 1825 | int32_t resetStateFlag); |
emilmont | 1:fdd22bb7aa52 | 1826 | |
emilmont | 1:fdd22bb7aa52 | 1827 | /** |
emilmont | 1:fdd22bb7aa52 | 1828 | * @brief Reset function for the Q15 PID Control. |
emilmont | 1:fdd22bb7aa52 | 1829 | * @param[in,out] *S points to an instance of the q15 PID Control structure |
emilmont | 1:fdd22bb7aa52 | 1830 | * @return none |
emilmont | 1:fdd22bb7aa52 | 1831 | */ |
emilmont | 1:fdd22bb7aa52 | 1832 | void arm_pid_reset_q15( |
emilmont | 1:fdd22bb7aa52 | 1833 | arm_pid_instance_q15 * S); |
emilmont | 1:fdd22bb7aa52 | 1834 | |
emilmont | 1:fdd22bb7aa52 | 1835 | |
emilmont | 1:fdd22bb7aa52 | 1836 | /** |
emilmont | 1:fdd22bb7aa52 | 1837 | * @brief Instance structure for the floating-point Linear Interpolate function. |
emilmont | 1:fdd22bb7aa52 | 1838 | */ |
emilmont | 1:fdd22bb7aa52 | 1839 | typedef struct |
emilmont | 1:fdd22bb7aa52 | 1840 | { |
emilmont | 1:fdd22bb7aa52 | 1841 | uint32_t nValues; /**< nValues */ |
emilmont | 1:fdd22bb7aa52 | 1842 | float32_t x1; /**< x1 */ |
emilmont | 1:fdd22bb7aa52 | 1843 | float32_t xSpacing; /**< xSpacing */ |
emilmont | 1:fdd22bb7aa52 | 1844 | float32_t *pYData; /**< pointer to the table of Y values */ |
emilmont | 1:fdd22bb7aa52 | 1845 | } arm_linear_interp_instance_f32; |
emilmont | 1:fdd22bb7aa52 | 1846 | |
emilmont | 1:fdd22bb7aa52 | 1847 | /** |
emilmont | 1:fdd22bb7aa52 | 1848 | * @brief Instance structure for the floating-point bilinear interpolation function. |
emilmont | 1:fdd22bb7aa52 | 1849 | */ |
emilmont | 1:fdd22bb7aa52 | 1850 | |
emilmont | 1:fdd22bb7aa52 | 1851 | typedef struct |
emilmont | 1:fdd22bb7aa52 | 1852 | { |
emilmont | 1:fdd22bb7aa52 | 1853 | uint16_t numRows; /**< number of rows in the data table. */ |
emilmont | 1:fdd22bb7aa52 | 1854 | uint16_t numCols; /**< number of columns in the data table. */ |
emilmont | 1:fdd22bb7aa52 | 1855 | float32_t *pData; /**< points to the data table. */ |
emilmont | 1:fdd22bb7aa52 | 1856 | } arm_bilinear_interp_instance_f32; |
emilmont | 1:fdd22bb7aa52 | 1857 | |
emilmont | 1:fdd22bb7aa52 | 1858 | /** |
emilmont | 1:fdd22bb7aa52 | 1859 | * @brief Instance structure for the Q31 bilinear interpolation function. |
emilmont | 1:fdd22bb7aa52 | 1860 | */ |
emilmont | 1:fdd22bb7aa52 | 1861 | |
emilmont | 1:fdd22bb7aa52 | 1862 | typedef struct |
emilmont | 1:fdd22bb7aa52 | 1863 | { |
emilmont | 1:fdd22bb7aa52 | 1864 | uint16_t numRows; /**< number of rows in the data table. */ |
emilmont | 1:fdd22bb7aa52 | 1865 | uint16_t numCols; /**< number of columns in the data table. */ |
emilmont | 1:fdd22bb7aa52 | 1866 | q31_t *pData; /**< points to the data table. */ |
emilmont | 1:fdd22bb7aa52 | 1867 | } arm_bilinear_interp_instance_q31; |
emilmont | 1:fdd22bb7aa52 | 1868 | |
emilmont | 1:fdd22bb7aa52 | 1869 | /** |
emilmont | 1:fdd22bb7aa52 | 1870 | * @brief Instance structure for the Q15 bilinear interpolation function. |
emilmont | 1:fdd22bb7aa52 | 1871 | */ |
emilmont | 1:fdd22bb7aa52 | 1872 | |
emilmont | 1:fdd22bb7aa52 | 1873 | typedef struct |
emilmont | 1:fdd22bb7aa52 | 1874 | { |
emilmont | 1:fdd22bb7aa52 | 1875 | uint16_t numRows; /**< number of rows in the data table. */ |
emilmont | 1:fdd22bb7aa52 | 1876 | uint16_t numCols; /**< number of columns in the data table. */ |
emilmont | 1:fdd22bb7aa52 | 1877 | q15_t *pData; /**< points to the data table. */ |
emilmont | 1:fdd22bb7aa52 | 1878 | } arm_bilinear_interp_instance_q15; |
emilmont | 1:fdd22bb7aa52 | 1879 | |
emilmont | 1:fdd22bb7aa52 | 1880 | /** |
emilmont | 1:fdd22bb7aa52 | 1881 | * @brief Instance structure for the Q15 bilinear interpolation function. |
emilmont | 1:fdd22bb7aa52 | 1882 | */ |
emilmont | 1:fdd22bb7aa52 | 1883 | |
emilmont | 1:fdd22bb7aa52 | 1884 | typedef struct |
emilmont | 1:fdd22bb7aa52 | 1885 | { |
emilmont | 1:fdd22bb7aa52 | 1886 | uint16_t numRows; /**< number of rows in the data table. */ |
emilmont | 1:fdd22bb7aa52 | 1887 | uint16_t numCols; /**< number of columns in the data table. */ |
emilmont | 1:fdd22bb7aa52 | 1888 | q7_t *pData; /**< points to the data table. */ |
emilmont | 1:fdd22bb7aa52 | 1889 | } arm_bilinear_interp_instance_q7; |
emilmont | 1:fdd22bb7aa52 | 1890 | |
emilmont | 1:fdd22bb7aa52 | 1891 | |
emilmont | 1:fdd22bb7aa52 | 1892 | /** |
emilmont | 1:fdd22bb7aa52 | 1893 | * @brief Q7 vector multiplication. |
emilmont | 1:fdd22bb7aa52 | 1894 | * @param[in] *pSrcA points to the first input vector |
emilmont | 1:fdd22bb7aa52 | 1895 | * @param[in] *pSrcB points to the second input vector |
emilmont | 1:fdd22bb7aa52 | 1896 | * @param[out] *pDst points to the output vector |
emilmont | 1:fdd22bb7aa52 | 1897 | * @param[in] blockSize number of samples in each vector |
emilmont | 1:fdd22bb7aa52 | 1898 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 1899 | */ |
emilmont | 1:fdd22bb7aa52 | 1900 | |
emilmont | 1:fdd22bb7aa52 | 1901 | void arm_mult_q7( |
emilmont | 1:fdd22bb7aa52 | 1902 | q7_t * pSrcA, |
emilmont | 1:fdd22bb7aa52 | 1903 | q7_t * pSrcB, |
emilmont | 1:fdd22bb7aa52 | 1904 | q7_t * pDst, |
emilmont | 1:fdd22bb7aa52 | 1905 | uint32_t blockSize); |
emilmont | 1:fdd22bb7aa52 | 1906 | |
emilmont | 1:fdd22bb7aa52 | 1907 | /** |
emilmont | 1:fdd22bb7aa52 | 1908 | * @brief Q15 vector multiplication. |
emilmont | 1:fdd22bb7aa52 | 1909 | * @param[in] *pSrcA points to the first input vector |
emilmont | 1:fdd22bb7aa52 | 1910 | * @param[in] *pSrcB points to the second input vector |
emilmont | 1:fdd22bb7aa52 | 1911 | * @param[out] *pDst points to the output vector |
emilmont | 1:fdd22bb7aa52 | 1912 | * @param[in] blockSize number of samples in each vector |
emilmont | 1:fdd22bb7aa52 | 1913 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 1914 | */ |
emilmont | 1:fdd22bb7aa52 | 1915 | |
emilmont | 1:fdd22bb7aa52 | 1916 | void arm_mult_q15( |
emilmont | 1:fdd22bb7aa52 | 1917 | q15_t * pSrcA, |
emilmont | 1:fdd22bb7aa52 | 1918 | q15_t * pSrcB, |
emilmont | 1:fdd22bb7aa52 | 1919 | q15_t * pDst, |
emilmont | 1:fdd22bb7aa52 | 1920 | uint32_t blockSize); |
emilmont | 1:fdd22bb7aa52 | 1921 | |
emilmont | 1:fdd22bb7aa52 | 1922 | /** |
emilmont | 1:fdd22bb7aa52 | 1923 | * @brief Q31 vector multiplication. |
emilmont | 1:fdd22bb7aa52 | 1924 | * @param[in] *pSrcA points to the first input vector |
emilmont | 1:fdd22bb7aa52 | 1925 | * @param[in] *pSrcB points to the second input vector |
emilmont | 1:fdd22bb7aa52 | 1926 | * @param[out] *pDst points to the output vector |
emilmont | 1:fdd22bb7aa52 | 1927 | * @param[in] blockSize number of samples in each vector |
emilmont | 1:fdd22bb7aa52 | 1928 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 1929 | */ |
emilmont | 1:fdd22bb7aa52 | 1930 | |
emilmont | 1:fdd22bb7aa52 | 1931 | void arm_mult_q31( |
emilmont | 1:fdd22bb7aa52 | 1932 | q31_t * pSrcA, |
emilmont | 1:fdd22bb7aa52 | 1933 | q31_t * pSrcB, |
emilmont | 1:fdd22bb7aa52 | 1934 | q31_t * pDst, |
emilmont | 1:fdd22bb7aa52 | 1935 | uint32_t blockSize); |
emilmont | 1:fdd22bb7aa52 | 1936 | |
emilmont | 1:fdd22bb7aa52 | 1937 | /** |
emilmont | 1:fdd22bb7aa52 | 1938 | * @brief Floating-point vector multiplication. |
emilmont | 1:fdd22bb7aa52 | 1939 | * @param[in] *pSrcA points to the first input vector |
emilmont | 1:fdd22bb7aa52 | 1940 | * @param[in] *pSrcB points to the second input vector |
emilmont | 1:fdd22bb7aa52 | 1941 | * @param[out] *pDst points to the output vector |
emilmont | 1:fdd22bb7aa52 | 1942 | * @param[in] blockSize number of samples in each vector |
emilmont | 1:fdd22bb7aa52 | 1943 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 1944 | */ |
emilmont | 1:fdd22bb7aa52 | 1945 | |
emilmont | 1:fdd22bb7aa52 | 1946 | void arm_mult_f32( |
emilmont | 1:fdd22bb7aa52 | 1947 | float32_t * pSrcA, |
emilmont | 1:fdd22bb7aa52 | 1948 | float32_t * pSrcB, |
emilmont | 1:fdd22bb7aa52 | 1949 | float32_t * pDst, |
emilmont | 1:fdd22bb7aa52 | 1950 | uint32_t blockSize); |
emilmont | 1:fdd22bb7aa52 | 1951 | |
emilmont | 1:fdd22bb7aa52 | 1952 | |
mbed_official | 3:7a284390b0ce | 1953 | |
mbed_official | 3:7a284390b0ce | 1954 | |
emilmont | 1:fdd22bb7aa52 | 1955 | |
emilmont | 1:fdd22bb7aa52 | 1956 | |
emilmont | 1:fdd22bb7aa52 | 1957 | /** |
emilmont | 1:fdd22bb7aa52 | 1958 | * @brief Instance structure for the Q15 CFFT/CIFFT function. |
emilmont | 1:fdd22bb7aa52 | 1959 | */ |
emilmont | 1:fdd22bb7aa52 | 1960 | |
emilmont | 1:fdd22bb7aa52 | 1961 | typedef struct |
emilmont | 1:fdd22bb7aa52 | 1962 | { |
emilmont | 1:fdd22bb7aa52 | 1963 | uint16_t fftLen; /**< length of the FFT. */ |
emilmont | 1:fdd22bb7aa52 | 1964 | uint8_t ifftFlag; /**< flag that selects forward (ifftFlag=0) or inverse (ifftFlag=1) transform. */ |
emilmont | 1:fdd22bb7aa52 | 1965 | uint8_t bitReverseFlag; /**< flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output. */ |
emilmont | 1:fdd22bb7aa52 | 1966 | q15_t *pTwiddle; /**< points to the Sin twiddle factor table. */ |
emilmont | 1:fdd22bb7aa52 | 1967 | uint16_t *pBitRevTable; /**< points to the bit reversal table. */ |
emilmont | 1:fdd22bb7aa52 | 1968 | uint16_t twidCoefModifier; /**< twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. */ |
emilmont | 1:fdd22bb7aa52 | 1969 | uint16_t bitRevFactor; /**< bit reversal modifier that supports different size FFTs with the same bit reversal table. */ |
emilmont | 1:fdd22bb7aa52 | 1970 | } arm_cfft_radix2_instance_q15; |
emilmont | 1:fdd22bb7aa52 | 1971 | |
mbed_official | 3:7a284390b0ce | 1972 | arm_status arm_cfft_radix2_init_q15( |
mbed_official | 3:7a284390b0ce | 1973 | arm_cfft_radix2_instance_q15 * S, |
mbed_official | 3:7a284390b0ce | 1974 | uint16_t fftLen, |
mbed_official | 3:7a284390b0ce | 1975 | uint8_t ifftFlag, |
mbed_official | 3:7a284390b0ce | 1976 | uint8_t bitReverseFlag); |
mbed_official | 3:7a284390b0ce | 1977 | |
mbed_official | 3:7a284390b0ce | 1978 | void arm_cfft_radix2_q15( |
mbed_official | 3:7a284390b0ce | 1979 | const arm_cfft_radix2_instance_q15 * S, |
mbed_official | 3:7a284390b0ce | 1980 | q15_t * pSrc); |
mbed_official | 3:7a284390b0ce | 1981 | |
mbed_official | 3:7a284390b0ce | 1982 | |
mbed_official | 3:7a284390b0ce | 1983 | |
mbed_official | 3:7a284390b0ce | 1984 | /** |
mbed_official | 3:7a284390b0ce | 1985 | * @brief Instance structure for the Q15 CFFT/CIFFT function. |
mbed_official | 3:7a284390b0ce | 1986 | */ |
mbed_official | 3:7a284390b0ce | 1987 | |
mbed_official | 3:7a284390b0ce | 1988 | typedef struct |
mbed_official | 3:7a284390b0ce | 1989 | { |
mbed_official | 3:7a284390b0ce | 1990 | uint16_t fftLen; /**< length of the FFT. */ |
mbed_official | 3:7a284390b0ce | 1991 | uint8_t ifftFlag; /**< flag that selects forward (ifftFlag=0) or inverse (ifftFlag=1) transform. */ |
mbed_official | 3:7a284390b0ce | 1992 | uint8_t bitReverseFlag; /**< flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output. */ |
mbed_official | 3:7a284390b0ce | 1993 | q15_t *pTwiddle; /**< points to the twiddle factor table. */ |
mbed_official | 3:7a284390b0ce | 1994 | uint16_t *pBitRevTable; /**< points to the bit reversal table. */ |
mbed_official | 3:7a284390b0ce | 1995 | uint16_t twidCoefModifier; /**< twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. */ |
mbed_official | 3:7a284390b0ce | 1996 | uint16_t bitRevFactor; /**< bit reversal modifier that supports different size FFTs with the same bit reversal table. */ |
mbed_official | 3:7a284390b0ce | 1997 | } arm_cfft_radix4_instance_q15; |
mbed_official | 3:7a284390b0ce | 1998 | |
mbed_official | 3:7a284390b0ce | 1999 | arm_status arm_cfft_radix4_init_q15( |
mbed_official | 3:7a284390b0ce | 2000 | arm_cfft_radix4_instance_q15 * S, |
mbed_official | 3:7a284390b0ce | 2001 | uint16_t fftLen, |
mbed_official | 3:7a284390b0ce | 2002 | uint8_t ifftFlag, |
mbed_official | 3:7a284390b0ce | 2003 | uint8_t bitReverseFlag); |
mbed_official | 3:7a284390b0ce | 2004 | |
mbed_official | 3:7a284390b0ce | 2005 | void arm_cfft_radix4_q15( |
mbed_official | 3:7a284390b0ce | 2006 | const arm_cfft_radix4_instance_q15 * S, |
mbed_official | 3:7a284390b0ce | 2007 | q15_t * pSrc); |
mbed_official | 3:7a284390b0ce | 2008 | |
emilmont | 1:fdd22bb7aa52 | 2009 | /** |
emilmont | 1:fdd22bb7aa52 | 2010 | * @brief Instance structure for the Radix-2 Q31 CFFT/CIFFT function. |
emilmont | 1:fdd22bb7aa52 | 2011 | */ |
emilmont | 1:fdd22bb7aa52 | 2012 | |
emilmont | 1:fdd22bb7aa52 | 2013 | typedef struct |
emilmont | 1:fdd22bb7aa52 | 2014 | { |
emilmont | 1:fdd22bb7aa52 | 2015 | uint16_t fftLen; /**< length of the FFT. */ |
emilmont | 1:fdd22bb7aa52 | 2016 | uint8_t ifftFlag; /**< flag that selects forward (ifftFlag=0) or inverse (ifftFlag=1) transform. */ |
emilmont | 1:fdd22bb7aa52 | 2017 | uint8_t bitReverseFlag; /**< flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output. */ |
emilmont | 1:fdd22bb7aa52 | 2018 | q31_t *pTwiddle; /**< points to the Twiddle factor table. */ |
emilmont | 1:fdd22bb7aa52 | 2019 | uint16_t *pBitRevTable; /**< points to the bit reversal table. */ |
emilmont | 1:fdd22bb7aa52 | 2020 | uint16_t twidCoefModifier; /**< twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. */ |
emilmont | 1:fdd22bb7aa52 | 2021 | uint16_t bitRevFactor; /**< bit reversal modifier that supports different size FFTs with the same bit reversal table. */ |
emilmont | 1:fdd22bb7aa52 | 2022 | } arm_cfft_radix2_instance_q31; |
emilmont | 1:fdd22bb7aa52 | 2023 | |
mbed_official | 3:7a284390b0ce | 2024 | arm_status arm_cfft_radix2_init_q31( |
mbed_official | 3:7a284390b0ce | 2025 | arm_cfft_radix2_instance_q31 * S, |
mbed_official | 3:7a284390b0ce | 2026 | uint16_t fftLen, |
mbed_official | 3:7a284390b0ce | 2027 | uint8_t ifftFlag, |
mbed_official | 3:7a284390b0ce | 2028 | uint8_t bitReverseFlag); |
mbed_official | 3:7a284390b0ce | 2029 | |
mbed_official | 3:7a284390b0ce | 2030 | void arm_cfft_radix2_q31( |
mbed_official | 3:7a284390b0ce | 2031 | const arm_cfft_radix2_instance_q31 * S, |
mbed_official | 3:7a284390b0ce | 2032 | q31_t * pSrc); |
mbed_official | 3:7a284390b0ce | 2033 | |
mbed_official | 3:7a284390b0ce | 2034 | /** |
mbed_official | 3:7a284390b0ce | 2035 | * @brief Instance structure for the Q31 CFFT/CIFFT function. |
mbed_official | 3:7a284390b0ce | 2036 | */ |
mbed_official | 3:7a284390b0ce | 2037 | |
mbed_official | 3:7a284390b0ce | 2038 | typedef struct |
mbed_official | 3:7a284390b0ce | 2039 | { |
mbed_official | 3:7a284390b0ce | 2040 | uint16_t fftLen; /**< length of the FFT. */ |
mbed_official | 3:7a284390b0ce | 2041 | uint8_t ifftFlag; /**< flag that selects forward (ifftFlag=0) or inverse (ifftFlag=1) transform. */ |
mbed_official | 3:7a284390b0ce | 2042 | uint8_t bitReverseFlag; /**< flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output. */ |
mbed_official | 3:7a284390b0ce | 2043 | q31_t *pTwiddle; /**< points to the twiddle factor table. */ |
mbed_official | 3:7a284390b0ce | 2044 | uint16_t *pBitRevTable; /**< points to the bit reversal table. */ |
mbed_official | 3:7a284390b0ce | 2045 | uint16_t twidCoefModifier; /**< twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. */ |
mbed_official | 3:7a284390b0ce | 2046 | uint16_t bitRevFactor; /**< bit reversal modifier that supports different size FFTs with the same bit reversal table. */ |
mbed_official | 3:7a284390b0ce | 2047 | } arm_cfft_radix4_instance_q31; |
mbed_official | 3:7a284390b0ce | 2048 | |
mbed_official | 3:7a284390b0ce | 2049 | |
mbed_official | 3:7a284390b0ce | 2050 | void arm_cfft_radix4_q31( |
mbed_official | 3:7a284390b0ce | 2051 | const arm_cfft_radix4_instance_q31 * S, |
mbed_official | 3:7a284390b0ce | 2052 | q31_t * pSrc); |
mbed_official | 3:7a284390b0ce | 2053 | |
mbed_official | 3:7a284390b0ce | 2054 | arm_status arm_cfft_radix4_init_q31( |
mbed_official | 3:7a284390b0ce | 2055 | arm_cfft_radix4_instance_q31 * S, |
mbed_official | 3:7a284390b0ce | 2056 | uint16_t fftLen, |
mbed_official | 3:7a284390b0ce | 2057 | uint8_t ifftFlag, |
mbed_official | 3:7a284390b0ce | 2058 | uint8_t bitReverseFlag); |
mbed_official | 3:7a284390b0ce | 2059 | |
emilmont | 1:fdd22bb7aa52 | 2060 | /** |
emilmont | 1:fdd22bb7aa52 | 2061 | * @brief Instance structure for the floating-point CFFT/CIFFT function. |
emilmont | 1:fdd22bb7aa52 | 2062 | */ |
emilmont | 1:fdd22bb7aa52 | 2063 | |
emilmont | 1:fdd22bb7aa52 | 2064 | typedef struct |
emilmont | 1:fdd22bb7aa52 | 2065 | { |
emilmont | 1:fdd22bb7aa52 | 2066 | uint16_t fftLen; /**< length of the FFT. */ |
emilmont | 1:fdd22bb7aa52 | 2067 | uint8_t ifftFlag; /**< flag that selects forward (ifftFlag=0) or inverse (ifftFlag=1) transform. */ |
emilmont | 1:fdd22bb7aa52 | 2068 | uint8_t bitReverseFlag; /**< flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output. */ |
emilmont | 1:fdd22bb7aa52 | 2069 | float32_t *pTwiddle; /**< points to the Twiddle factor table. */ |
emilmont | 1:fdd22bb7aa52 | 2070 | uint16_t *pBitRevTable; /**< points to the bit reversal table. */ |
emilmont | 1:fdd22bb7aa52 | 2071 | uint16_t twidCoefModifier; /**< twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. */ |
emilmont | 1:fdd22bb7aa52 | 2072 | uint16_t bitRevFactor; /**< bit reversal modifier that supports different size FFTs with the same bit reversal table. */ |
emilmont | 1:fdd22bb7aa52 | 2073 | float32_t onebyfftLen; /**< value of 1/fftLen. */ |
emilmont | 1:fdd22bb7aa52 | 2074 | } arm_cfft_radix2_instance_f32; |
emilmont | 1:fdd22bb7aa52 | 2075 | |
mbed_official | 3:7a284390b0ce | 2076 | /* Deprecated */ |
emilmont | 1:fdd22bb7aa52 | 2077 | arm_status arm_cfft_radix2_init_f32( |
emilmont | 1:fdd22bb7aa52 | 2078 | arm_cfft_radix2_instance_f32 * S, |
emilmont | 1:fdd22bb7aa52 | 2079 | uint16_t fftLen, |
emilmont | 1:fdd22bb7aa52 | 2080 | uint8_t ifftFlag, |
emilmont | 1:fdd22bb7aa52 | 2081 | uint8_t bitReverseFlag); |
emilmont | 1:fdd22bb7aa52 | 2082 | |
mbed_official | 3:7a284390b0ce | 2083 | /* Deprecated */ |
mbed_official | 3:7a284390b0ce | 2084 | void arm_cfft_radix2_f32( |
mbed_official | 3:7a284390b0ce | 2085 | const arm_cfft_radix2_instance_f32 * S, |
emilmont | 1:fdd22bb7aa52 | 2086 | float32_t * pSrc); |
emilmont | 1:fdd22bb7aa52 | 2087 | |
emilmont | 1:fdd22bb7aa52 | 2088 | /** |
mbed_official | 3:7a284390b0ce | 2089 | * @brief Instance structure for the floating-point CFFT/CIFFT function. |
mbed_official | 3:7a284390b0ce | 2090 | */ |
mbed_official | 3:7a284390b0ce | 2091 | |
mbed_official | 3:7a284390b0ce | 2092 | typedef struct |
mbed_official | 3:7a284390b0ce | 2093 | { |
mbed_official | 3:7a284390b0ce | 2094 | uint16_t fftLen; /**< length of the FFT. */ |
mbed_official | 3:7a284390b0ce | 2095 | uint8_t ifftFlag; /**< flag that selects forward (ifftFlag=0) or inverse (ifftFlag=1) transform. */ |
mbed_official | 3:7a284390b0ce | 2096 | uint8_t bitReverseFlag; /**< flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output. */ |
mbed_official | 3:7a284390b0ce | 2097 | float32_t *pTwiddle; /**< points to the Twiddle factor table. */ |
mbed_official | 3:7a284390b0ce | 2098 | uint16_t *pBitRevTable; /**< points to the bit reversal table. */ |
mbed_official | 3:7a284390b0ce | 2099 | uint16_t twidCoefModifier; /**< twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. */ |
mbed_official | 3:7a284390b0ce | 2100 | uint16_t bitRevFactor; /**< bit reversal modifier that supports different size FFTs with the same bit reversal table. */ |
mbed_official | 3:7a284390b0ce | 2101 | float32_t onebyfftLen; /**< value of 1/fftLen. */ |
mbed_official | 3:7a284390b0ce | 2102 | } arm_cfft_radix4_instance_f32; |
mbed_official | 3:7a284390b0ce | 2103 | |
mbed_official | 3:7a284390b0ce | 2104 | /* Deprecated */ |
emilmont | 1:fdd22bb7aa52 | 2105 | arm_status arm_cfft_radix4_init_f32( |
emilmont | 1:fdd22bb7aa52 | 2106 | arm_cfft_radix4_instance_f32 * S, |
emilmont | 1:fdd22bb7aa52 | 2107 | uint16_t fftLen, |
emilmont | 1:fdd22bb7aa52 | 2108 | uint8_t ifftFlag, |
emilmont | 1:fdd22bb7aa52 | 2109 | uint8_t bitReverseFlag); |
emilmont | 1:fdd22bb7aa52 | 2110 | |
mbed_official | 3:7a284390b0ce | 2111 | /* Deprecated */ |
mbed_official | 3:7a284390b0ce | 2112 | void arm_cfft_radix4_f32( |
mbed_official | 3:7a284390b0ce | 2113 | const arm_cfft_radix4_instance_f32 * S, |
mbed_official | 3:7a284390b0ce | 2114 | float32_t * pSrc); |
mbed_official | 3:7a284390b0ce | 2115 | |
mbed_official | 3:7a284390b0ce | 2116 | /** |
mbed_official | 3:7a284390b0ce | 2117 | * @brief Instance structure for the floating-point CFFT/CIFFT function. |
mbed_official | 3:7a284390b0ce | 2118 | */ |
mbed_official | 3:7a284390b0ce | 2119 | |
mbed_official | 3:7a284390b0ce | 2120 | typedef struct |
mbed_official | 3:7a284390b0ce | 2121 | { |
mbed_official | 3:7a284390b0ce | 2122 | uint16_t fftLen; /**< length of the FFT. */ |
mbed_official | 3:7a284390b0ce | 2123 | const float32_t *pTwiddle; /**< points to the Twiddle factor table. */ |
mbed_official | 3:7a284390b0ce | 2124 | const uint16_t *pBitRevTable; /**< points to the bit reversal table. */ |
mbed_official | 3:7a284390b0ce | 2125 | uint16_t bitRevLength; /**< bit reversal table length. */ |
mbed_official | 3:7a284390b0ce | 2126 | } arm_cfft_instance_f32; |
mbed_official | 3:7a284390b0ce | 2127 | |
mbed_official | 3:7a284390b0ce | 2128 | void arm_cfft_f32( |
mbed_official | 3:7a284390b0ce | 2129 | const arm_cfft_instance_f32 * S, |
mbed_official | 3:7a284390b0ce | 2130 | float32_t * p1, |
mbed_official | 3:7a284390b0ce | 2131 | uint8_t ifftFlag, |
mbed_official | 3:7a284390b0ce | 2132 | uint8_t bitReverseFlag); |
emilmont | 1:fdd22bb7aa52 | 2133 | |
emilmont | 1:fdd22bb7aa52 | 2134 | /** |
emilmont | 1:fdd22bb7aa52 | 2135 | * @brief Instance structure for the Q15 RFFT/RIFFT function. |
emilmont | 1:fdd22bb7aa52 | 2136 | */ |
emilmont | 1:fdd22bb7aa52 | 2137 | |
emilmont | 1:fdd22bb7aa52 | 2138 | typedef struct |
emilmont | 1:fdd22bb7aa52 | 2139 | { |
emilmont | 1:fdd22bb7aa52 | 2140 | uint32_t fftLenReal; /**< length of the real FFT. */ |
emilmont | 1:fdd22bb7aa52 | 2141 | uint32_t fftLenBy2; /**< length of the complex FFT. */ |
emilmont | 1:fdd22bb7aa52 | 2142 | uint8_t ifftFlagR; /**< flag that selects forward (ifftFlagR=0) or inverse (ifftFlagR=1) transform. */ |
emilmont | 1:fdd22bb7aa52 | 2143 | uint8_t bitReverseFlagR; /**< flag that enables (bitReverseFlagR=1) or disables (bitReverseFlagR=0) bit reversal of output. */ |
emilmont | 1:fdd22bb7aa52 | 2144 | uint32_t twidCoefRModifier; /**< twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. */ |
emilmont | 1:fdd22bb7aa52 | 2145 | q15_t *pTwiddleAReal; /**< points to the real twiddle factor table. */ |
emilmont | 1:fdd22bb7aa52 | 2146 | q15_t *pTwiddleBReal; /**< points to the imag twiddle factor table. */ |
emilmont | 1:fdd22bb7aa52 | 2147 | arm_cfft_radix4_instance_q15 *pCfft; /**< points to the complex FFT instance. */ |
emilmont | 1:fdd22bb7aa52 | 2148 | } arm_rfft_instance_q15; |
emilmont | 1:fdd22bb7aa52 | 2149 | |
mbed_official | 3:7a284390b0ce | 2150 | arm_status arm_rfft_init_q15( |
mbed_official | 3:7a284390b0ce | 2151 | arm_rfft_instance_q15 * S, |
mbed_official | 3:7a284390b0ce | 2152 | arm_cfft_radix4_instance_q15 * S_CFFT, |
mbed_official | 3:7a284390b0ce | 2153 | uint32_t fftLenReal, |
mbed_official | 3:7a284390b0ce | 2154 | uint32_t ifftFlagR, |
mbed_official | 3:7a284390b0ce | 2155 | uint32_t bitReverseFlag); |
mbed_official | 3:7a284390b0ce | 2156 | |
mbed_official | 3:7a284390b0ce | 2157 | void arm_rfft_q15( |
mbed_official | 3:7a284390b0ce | 2158 | const arm_rfft_instance_q15 * S, |
mbed_official | 3:7a284390b0ce | 2159 | q15_t * pSrc, |
mbed_official | 3:7a284390b0ce | 2160 | q15_t * pDst); |
mbed_official | 3:7a284390b0ce | 2161 | |
emilmont | 1:fdd22bb7aa52 | 2162 | /** |
emilmont | 1:fdd22bb7aa52 | 2163 | * @brief Instance structure for the Q31 RFFT/RIFFT function. |
emilmont | 1:fdd22bb7aa52 | 2164 | */ |
emilmont | 1:fdd22bb7aa52 | 2165 | |
emilmont | 1:fdd22bb7aa52 | 2166 | typedef struct |
emilmont | 1:fdd22bb7aa52 | 2167 | { |
emilmont | 1:fdd22bb7aa52 | 2168 | uint32_t fftLenReal; /**< length of the real FFT. */ |
emilmont | 1:fdd22bb7aa52 | 2169 | uint32_t fftLenBy2; /**< length of the complex FFT. */ |
emilmont | 1:fdd22bb7aa52 | 2170 | uint8_t ifftFlagR; /**< flag that selects forward (ifftFlagR=0) or inverse (ifftFlagR=1) transform. */ |
emilmont | 1:fdd22bb7aa52 | 2171 | uint8_t bitReverseFlagR; /**< flag that enables (bitReverseFlagR=1) or disables (bitReverseFlagR=0) bit reversal of output. */ |
emilmont | 1:fdd22bb7aa52 | 2172 | uint32_t twidCoefRModifier; /**< twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. */ |
emilmont | 1:fdd22bb7aa52 | 2173 | q31_t *pTwiddleAReal; /**< points to the real twiddle factor table. */ |
emilmont | 1:fdd22bb7aa52 | 2174 | q31_t *pTwiddleBReal; /**< points to the imag twiddle factor table. */ |
emilmont | 1:fdd22bb7aa52 | 2175 | arm_cfft_radix4_instance_q31 *pCfft; /**< points to the complex FFT instance. */ |
emilmont | 1:fdd22bb7aa52 | 2176 | } arm_rfft_instance_q31; |
emilmont | 1:fdd22bb7aa52 | 2177 | |
mbed_official | 3:7a284390b0ce | 2178 | arm_status arm_rfft_init_q31( |
mbed_official | 3:7a284390b0ce | 2179 | arm_rfft_instance_q31 * S, |
mbed_official | 3:7a284390b0ce | 2180 | arm_cfft_radix4_instance_q31 * S_CFFT, |
mbed_official | 3:7a284390b0ce | 2181 | uint32_t fftLenReal, |
mbed_official | 3:7a284390b0ce | 2182 | uint32_t ifftFlagR, |
mbed_official | 3:7a284390b0ce | 2183 | uint32_t bitReverseFlag); |
mbed_official | 3:7a284390b0ce | 2184 | |
mbed_official | 3:7a284390b0ce | 2185 | void arm_rfft_q31( |
mbed_official | 3:7a284390b0ce | 2186 | const arm_rfft_instance_q31 * S, |
mbed_official | 3:7a284390b0ce | 2187 | q31_t * pSrc, |
mbed_official | 3:7a284390b0ce | 2188 | q31_t * pDst); |
mbed_official | 3:7a284390b0ce | 2189 | |
emilmont | 1:fdd22bb7aa52 | 2190 | /** |
emilmont | 1:fdd22bb7aa52 | 2191 | * @brief Instance structure for the floating-point RFFT/RIFFT function. |
emilmont | 1:fdd22bb7aa52 | 2192 | */ |
emilmont | 1:fdd22bb7aa52 | 2193 | |
emilmont | 1:fdd22bb7aa52 | 2194 | typedef struct |
emilmont | 1:fdd22bb7aa52 | 2195 | { |
emilmont | 1:fdd22bb7aa52 | 2196 | uint32_t fftLenReal; /**< length of the real FFT. */ |
emilmont | 1:fdd22bb7aa52 | 2197 | uint16_t fftLenBy2; /**< length of the complex FFT. */ |
emilmont | 1:fdd22bb7aa52 | 2198 | uint8_t ifftFlagR; /**< flag that selects forward (ifftFlagR=0) or inverse (ifftFlagR=1) transform. */ |
emilmont | 1:fdd22bb7aa52 | 2199 | uint8_t bitReverseFlagR; /**< flag that enables (bitReverseFlagR=1) or disables (bitReverseFlagR=0) bit reversal of output. */ |
emilmont | 1:fdd22bb7aa52 | 2200 | uint32_t twidCoefRModifier; /**< twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. */ |
emilmont | 1:fdd22bb7aa52 | 2201 | float32_t *pTwiddleAReal; /**< points to the real twiddle factor table. */ |
emilmont | 1:fdd22bb7aa52 | 2202 | float32_t *pTwiddleBReal; /**< points to the imag twiddle factor table. */ |
emilmont | 1:fdd22bb7aa52 | 2203 | arm_cfft_radix4_instance_f32 *pCfft; /**< points to the complex FFT instance. */ |
emilmont | 1:fdd22bb7aa52 | 2204 | } arm_rfft_instance_f32; |
emilmont | 1:fdd22bb7aa52 | 2205 | |
emilmont | 1:fdd22bb7aa52 | 2206 | arm_status arm_rfft_init_f32( |
emilmont | 1:fdd22bb7aa52 | 2207 | arm_rfft_instance_f32 * S, |
emilmont | 1:fdd22bb7aa52 | 2208 | arm_cfft_radix4_instance_f32 * S_CFFT, |
emilmont | 1:fdd22bb7aa52 | 2209 | uint32_t fftLenReal, |
emilmont | 1:fdd22bb7aa52 | 2210 | uint32_t ifftFlagR, |
emilmont | 1:fdd22bb7aa52 | 2211 | uint32_t bitReverseFlag); |
emilmont | 1:fdd22bb7aa52 | 2212 | |
emilmont | 1:fdd22bb7aa52 | 2213 | void arm_rfft_f32( |
emilmont | 1:fdd22bb7aa52 | 2214 | const arm_rfft_instance_f32 * S, |
emilmont | 1:fdd22bb7aa52 | 2215 | float32_t * pSrc, |
emilmont | 1:fdd22bb7aa52 | 2216 | float32_t * pDst); |
emilmont | 1:fdd22bb7aa52 | 2217 | |
emilmont | 1:fdd22bb7aa52 | 2218 | /** |
mbed_official | 3:7a284390b0ce | 2219 | * @brief Instance structure for the floating-point RFFT/RIFFT function. |
mbed_official | 3:7a284390b0ce | 2220 | */ |
mbed_official | 3:7a284390b0ce | 2221 | |
mbed_official | 3:7a284390b0ce | 2222 | typedef struct |
mbed_official | 3:7a284390b0ce | 2223 | { |
mbed_official | 3:7a284390b0ce | 2224 | arm_cfft_instance_f32 Sint; /**< Internal CFFT structure. */ |
mbed_official | 3:7a284390b0ce | 2225 | uint16_t fftLenRFFT; /**< length of the real sequence */ |
mbed_official | 3:7a284390b0ce | 2226 | float32_t * pTwiddleRFFT; /**< Twiddle factors real stage */ |
mbed_official | 3:7a284390b0ce | 2227 | } arm_rfft_fast_instance_f32 ; |
mbed_official | 3:7a284390b0ce | 2228 | |
mbed_official | 3:7a284390b0ce | 2229 | arm_status arm_rfft_fast_init_f32 ( |
mbed_official | 3:7a284390b0ce | 2230 | arm_rfft_fast_instance_f32 * S, |
mbed_official | 3:7a284390b0ce | 2231 | uint16_t fftLen); |
mbed_official | 3:7a284390b0ce | 2232 | |
mbed_official | 3:7a284390b0ce | 2233 | void arm_rfft_fast_f32( |
mbed_official | 3:7a284390b0ce | 2234 | arm_rfft_fast_instance_f32 * S, |
mbed_official | 3:7a284390b0ce | 2235 | float32_t * p, float32_t * pOut, |
mbed_official | 3:7a284390b0ce | 2236 | uint8_t ifftFlag); |
mbed_official | 3:7a284390b0ce | 2237 | |
mbed_official | 3:7a284390b0ce | 2238 | /** |
emilmont | 1:fdd22bb7aa52 | 2239 | * @brief Instance structure for the floating-point DCT4/IDCT4 function. |
emilmont | 1:fdd22bb7aa52 | 2240 | */ |
emilmont | 1:fdd22bb7aa52 | 2241 | |
emilmont | 1:fdd22bb7aa52 | 2242 | typedef struct |
emilmont | 1:fdd22bb7aa52 | 2243 | { |
emilmont | 1:fdd22bb7aa52 | 2244 | uint16_t N; /**< length of the DCT4. */ |
emilmont | 1:fdd22bb7aa52 | 2245 | uint16_t Nby2; /**< half of the length of the DCT4. */ |
emilmont | 1:fdd22bb7aa52 | 2246 | float32_t normalize; /**< normalizing factor. */ |
emilmont | 1:fdd22bb7aa52 | 2247 | float32_t *pTwiddle; /**< points to the twiddle factor table. */ |
emilmont | 1:fdd22bb7aa52 | 2248 | float32_t *pCosFactor; /**< points to the cosFactor table. */ |
emilmont | 1:fdd22bb7aa52 | 2249 | arm_rfft_instance_f32 *pRfft; /**< points to the real FFT instance. */ |
emilmont | 1:fdd22bb7aa52 | 2250 | arm_cfft_radix4_instance_f32 *pCfft; /**< points to the complex FFT instance. */ |
emilmont | 1:fdd22bb7aa52 | 2251 | } arm_dct4_instance_f32; |
emilmont | 1:fdd22bb7aa52 | 2252 | |
emilmont | 1:fdd22bb7aa52 | 2253 | /** |
emilmont | 1:fdd22bb7aa52 | 2254 | * @brief Initialization function for the floating-point DCT4/IDCT4. |
emilmont | 1:fdd22bb7aa52 | 2255 | * @param[in,out] *S points to an instance of floating-point DCT4/IDCT4 structure. |
emilmont | 1:fdd22bb7aa52 | 2256 | * @param[in] *S_RFFT points to an instance of floating-point RFFT/RIFFT structure. |
emilmont | 1:fdd22bb7aa52 | 2257 | * @param[in] *S_CFFT points to an instance of floating-point CFFT/CIFFT structure. |
emilmont | 1:fdd22bb7aa52 | 2258 | * @param[in] N length of the DCT4. |
emilmont | 1:fdd22bb7aa52 | 2259 | * @param[in] Nby2 half of the length of the DCT4. |
emilmont | 1:fdd22bb7aa52 | 2260 | * @param[in] normalize normalizing factor. |
emilmont | 2:da51fb522205 | 2261 | * @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. |
emilmont | 1:fdd22bb7aa52 | 2262 | */ |
emilmont | 1:fdd22bb7aa52 | 2263 | |
emilmont | 1:fdd22bb7aa52 | 2264 | arm_status arm_dct4_init_f32( |
emilmont | 1:fdd22bb7aa52 | 2265 | arm_dct4_instance_f32 * S, |
emilmont | 1:fdd22bb7aa52 | 2266 | arm_rfft_instance_f32 * S_RFFT, |
emilmont | 1:fdd22bb7aa52 | 2267 | arm_cfft_radix4_instance_f32 * S_CFFT, |
emilmont | 1:fdd22bb7aa52 | 2268 | uint16_t N, |
emilmont | 1:fdd22bb7aa52 | 2269 | uint16_t Nby2, |
emilmont | 1:fdd22bb7aa52 | 2270 | float32_t normalize); |
emilmont | 1:fdd22bb7aa52 | 2271 | |
emilmont | 1:fdd22bb7aa52 | 2272 | /** |
emilmont | 1:fdd22bb7aa52 | 2273 | * @brief Processing function for the floating-point DCT4/IDCT4. |
emilmont | 1:fdd22bb7aa52 | 2274 | * @param[in] *S points to an instance of the floating-point DCT4/IDCT4 structure. |
emilmont | 1:fdd22bb7aa52 | 2275 | * @param[in] *pState points to state buffer. |
emilmont | 1:fdd22bb7aa52 | 2276 | * @param[in,out] *pInlineBuffer points to the in-place input and output buffer. |
emilmont | 1:fdd22bb7aa52 | 2277 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 2278 | */ |
emilmont | 1:fdd22bb7aa52 | 2279 | |
emilmont | 1:fdd22bb7aa52 | 2280 | void arm_dct4_f32( |
emilmont | 1:fdd22bb7aa52 | 2281 | const arm_dct4_instance_f32 * S, |
emilmont | 1:fdd22bb7aa52 | 2282 | float32_t * pState, |
emilmont | 1:fdd22bb7aa52 | 2283 | float32_t * pInlineBuffer); |
emilmont | 1:fdd22bb7aa52 | 2284 | |
emilmont | 1:fdd22bb7aa52 | 2285 | /** |
emilmont | 1:fdd22bb7aa52 | 2286 | * @brief Instance structure for the Q31 DCT4/IDCT4 function. |
emilmont | 1:fdd22bb7aa52 | 2287 | */ |
emilmont | 1:fdd22bb7aa52 | 2288 | |
emilmont | 1:fdd22bb7aa52 | 2289 | typedef struct |
emilmont | 1:fdd22bb7aa52 | 2290 | { |
emilmont | 1:fdd22bb7aa52 | 2291 | uint16_t N; /**< length of the DCT4. */ |
emilmont | 1:fdd22bb7aa52 | 2292 | uint16_t Nby2; /**< half of the length of the DCT4. */ |
emilmont | 1:fdd22bb7aa52 | 2293 | q31_t normalize; /**< normalizing factor. */ |
emilmont | 1:fdd22bb7aa52 | 2294 | q31_t *pTwiddle; /**< points to the twiddle factor table. */ |
emilmont | 1:fdd22bb7aa52 | 2295 | q31_t *pCosFactor; /**< points to the cosFactor table. */ |
emilmont | 1:fdd22bb7aa52 | 2296 | arm_rfft_instance_q31 *pRfft; /**< points to the real FFT instance. */ |
emilmont | 1:fdd22bb7aa52 | 2297 | arm_cfft_radix4_instance_q31 *pCfft; /**< points to the complex FFT instance. */ |
emilmont | 1:fdd22bb7aa52 | 2298 | } arm_dct4_instance_q31; |
emilmont | 1:fdd22bb7aa52 | 2299 | |
emilmont | 1:fdd22bb7aa52 | 2300 | /** |
emilmont | 1:fdd22bb7aa52 | 2301 | * @brief Initialization function for the Q31 DCT4/IDCT4. |
emilmont | 1:fdd22bb7aa52 | 2302 | * @param[in,out] *S points to an instance of Q31 DCT4/IDCT4 structure. |
emilmont | 1:fdd22bb7aa52 | 2303 | * @param[in] *S_RFFT points to an instance of Q31 RFFT/RIFFT structure |
emilmont | 1:fdd22bb7aa52 | 2304 | * @param[in] *S_CFFT points to an instance of Q31 CFFT/CIFFT structure |
emilmont | 1:fdd22bb7aa52 | 2305 | * @param[in] N length of the DCT4. |
emilmont | 1:fdd22bb7aa52 | 2306 | * @param[in] Nby2 half of the length of the DCT4. |
emilmont | 1:fdd22bb7aa52 | 2307 | * @param[in] normalize normalizing factor. |
emilmont | 2:da51fb522205 | 2308 | * @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. |
emilmont | 1:fdd22bb7aa52 | 2309 | */ |
emilmont | 1:fdd22bb7aa52 | 2310 | |
emilmont | 1:fdd22bb7aa52 | 2311 | arm_status arm_dct4_init_q31( |
emilmont | 1:fdd22bb7aa52 | 2312 | arm_dct4_instance_q31 * S, |
emilmont | 1:fdd22bb7aa52 | 2313 | arm_rfft_instance_q31 * S_RFFT, |
emilmont | 1:fdd22bb7aa52 | 2314 | arm_cfft_radix4_instance_q31 * S_CFFT, |
emilmont | 1:fdd22bb7aa52 | 2315 | uint16_t N, |
emilmont | 1:fdd22bb7aa52 | 2316 | uint16_t Nby2, |
emilmont | 1:fdd22bb7aa52 | 2317 | q31_t normalize); |
emilmont | 1:fdd22bb7aa52 | 2318 | |
emilmont | 1:fdd22bb7aa52 | 2319 | /** |
emilmont | 1:fdd22bb7aa52 | 2320 | * @brief Processing function for the Q31 DCT4/IDCT4. |
emilmont | 1:fdd22bb7aa52 | 2321 | * @param[in] *S points to an instance of the Q31 DCT4 structure. |
emilmont | 1:fdd22bb7aa52 | 2322 | * @param[in] *pState points to state buffer. |
emilmont | 1:fdd22bb7aa52 | 2323 | * @param[in,out] *pInlineBuffer points to the in-place input and output buffer. |
emilmont | 1:fdd22bb7aa52 | 2324 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 2325 | */ |
emilmont | 1:fdd22bb7aa52 | 2326 | |
emilmont | 1:fdd22bb7aa52 | 2327 | void arm_dct4_q31( |
emilmont | 1:fdd22bb7aa52 | 2328 | const arm_dct4_instance_q31 * S, |
emilmont | 1:fdd22bb7aa52 | 2329 | q31_t * pState, |
emilmont | 1:fdd22bb7aa52 | 2330 | q31_t * pInlineBuffer); |
emilmont | 1:fdd22bb7aa52 | 2331 | |
emilmont | 1:fdd22bb7aa52 | 2332 | /** |
emilmont | 1:fdd22bb7aa52 | 2333 | * @brief Instance structure for the Q15 DCT4/IDCT4 function. |
emilmont | 1:fdd22bb7aa52 | 2334 | */ |
emilmont | 1:fdd22bb7aa52 | 2335 | |
emilmont | 1:fdd22bb7aa52 | 2336 | typedef struct |
emilmont | 1:fdd22bb7aa52 | 2337 | { |
emilmont | 1:fdd22bb7aa52 | 2338 | uint16_t N; /**< length of the DCT4. */ |
emilmont | 1:fdd22bb7aa52 | 2339 | uint16_t Nby2; /**< half of the length of the DCT4. */ |
emilmont | 1:fdd22bb7aa52 | 2340 | q15_t normalize; /**< normalizing factor. */ |
emilmont | 1:fdd22bb7aa52 | 2341 | q15_t *pTwiddle; /**< points to the twiddle factor table. */ |
emilmont | 1:fdd22bb7aa52 | 2342 | q15_t *pCosFactor; /**< points to the cosFactor table. */ |
emilmont | 1:fdd22bb7aa52 | 2343 | arm_rfft_instance_q15 *pRfft; /**< points to the real FFT instance. */ |
emilmont | 1:fdd22bb7aa52 | 2344 | arm_cfft_radix4_instance_q15 *pCfft; /**< points to the complex FFT instance. */ |
emilmont | 1:fdd22bb7aa52 | 2345 | } arm_dct4_instance_q15; |
emilmont | 1:fdd22bb7aa52 | 2346 | |
emilmont | 1:fdd22bb7aa52 | 2347 | /** |
emilmont | 1:fdd22bb7aa52 | 2348 | * @brief Initialization function for the Q15 DCT4/IDCT4. |
emilmont | 1:fdd22bb7aa52 | 2349 | * @param[in,out] *S points to an instance of Q15 DCT4/IDCT4 structure. |
emilmont | 1:fdd22bb7aa52 | 2350 | * @param[in] *S_RFFT points to an instance of Q15 RFFT/RIFFT structure. |
emilmont | 1:fdd22bb7aa52 | 2351 | * @param[in] *S_CFFT points to an instance of Q15 CFFT/CIFFT structure. |
emilmont | 1:fdd22bb7aa52 | 2352 | * @param[in] N length of the DCT4. |
emilmont | 1:fdd22bb7aa52 | 2353 | * @param[in] Nby2 half of the length of the DCT4. |
emilmont | 1:fdd22bb7aa52 | 2354 | * @param[in] normalize normalizing factor. |
emilmont | 2:da51fb522205 | 2355 | * @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. |
emilmont | 1:fdd22bb7aa52 | 2356 | */ |
emilmont | 1:fdd22bb7aa52 | 2357 | |
emilmont | 1:fdd22bb7aa52 | 2358 | arm_status arm_dct4_init_q15( |
emilmont | 1:fdd22bb7aa52 | 2359 | arm_dct4_instance_q15 * S, |
emilmont | 1:fdd22bb7aa52 | 2360 | arm_rfft_instance_q15 * S_RFFT, |
emilmont | 1:fdd22bb7aa52 | 2361 | arm_cfft_radix4_instance_q15 * S_CFFT, |
emilmont | 1:fdd22bb7aa52 | 2362 | uint16_t N, |
emilmont | 1:fdd22bb7aa52 | 2363 | uint16_t Nby2, |
emilmont | 1:fdd22bb7aa52 | 2364 | q15_t normalize); |
emilmont | 1:fdd22bb7aa52 | 2365 | |
emilmont | 1:fdd22bb7aa52 | 2366 | /** |
emilmont | 1:fdd22bb7aa52 | 2367 | * @brief Processing function for the Q15 DCT4/IDCT4. |
emilmont | 1:fdd22bb7aa52 | 2368 | * @param[in] *S points to an instance of the Q15 DCT4 structure. |
emilmont | 1:fdd22bb7aa52 | 2369 | * @param[in] *pState points to state buffer. |
emilmont | 1:fdd22bb7aa52 | 2370 | * @param[in,out] *pInlineBuffer points to the in-place input and output buffer. |
emilmont | 1:fdd22bb7aa52 | 2371 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 2372 | */ |
emilmont | 1:fdd22bb7aa52 | 2373 | |
emilmont | 1:fdd22bb7aa52 | 2374 | void arm_dct4_q15( |
emilmont | 1:fdd22bb7aa52 | 2375 | const arm_dct4_instance_q15 * S, |
emilmont | 1:fdd22bb7aa52 | 2376 | q15_t * pState, |
emilmont | 1:fdd22bb7aa52 | 2377 | q15_t * pInlineBuffer); |
emilmont | 1:fdd22bb7aa52 | 2378 | |
emilmont | 1:fdd22bb7aa52 | 2379 | /** |
emilmont | 1:fdd22bb7aa52 | 2380 | * @brief Floating-point vector addition. |
emilmont | 1:fdd22bb7aa52 | 2381 | * @param[in] *pSrcA points to the first input vector |
emilmont | 1:fdd22bb7aa52 | 2382 | * @param[in] *pSrcB points to the second input vector |
emilmont | 1:fdd22bb7aa52 | 2383 | * @param[out] *pDst points to the output vector |
emilmont | 1:fdd22bb7aa52 | 2384 | * @param[in] blockSize number of samples in each vector |
emilmont | 1:fdd22bb7aa52 | 2385 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 2386 | */ |
emilmont | 1:fdd22bb7aa52 | 2387 | |
emilmont | 1:fdd22bb7aa52 | 2388 | void arm_add_f32( |
emilmont | 1:fdd22bb7aa52 | 2389 | float32_t * pSrcA, |
emilmont | 1:fdd22bb7aa52 | 2390 | float32_t * pSrcB, |
emilmont | 1:fdd22bb7aa52 | 2391 | float32_t * pDst, |
emilmont | 1:fdd22bb7aa52 | 2392 | uint32_t blockSize); |
emilmont | 1:fdd22bb7aa52 | 2393 | |
emilmont | 1:fdd22bb7aa52 | 2394 | /** |
emilmont | 1:fdd22bb7aa52 | 2395 | * @brief Q7 vector addition. |
emilmont | 1:fdd22bb7aa52 | 2396 | * @param[in] *pSrcA points to the first input vector |
emilmont | 1:fdd22bb7aa52 | 2397 | * @param[in] *pSrcB points to the second input vector |
emilmont | 1:fdd22bb7aa52 | 2398 | * @param[out] *pDst points to the output vector |
emilmont | 1:fdd22bb7aa52 | 2399 | * @param[in] blockSize number of samples in each vector |
emilmont | 1:fdd22bb7aa52 | 2400 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 2401 | */ |
emilmont | 1:fdd22bb7aa52 | 2402 | |
emilmont | 1:fdd22bb7aa52 | 2403 | void arm_add_q7( |
emilmont | 1:fdd22bb7aa52 | 2404 | q7_t * pSrcA, |
emilmont | 1:fdd22bb7aa52 | 2405 | q7_t * pSrcB, |
emilmont | 1:fdd22bb7aa52 | 2406 | q7_t * pDst, |
emilmont | 1:fdd22bb7aa52 | 2407 | uint32_t blockSize); |
emilmont | 1:fdd22bb7aa52 | 2408 | |
emilmont | 1:fdd22bb7aa52 | 2409 | /** |
emilmont | 1:fdd22bb7aa52 | 2410 | * @brief Q15 vector addition. |
emilmont | 1:fdd22bb7aa52 | 2411 | * @param[in] *pSrcA points to the first input vector |
emilmont | 1:fdd22bb7aa52 | 2412 | * @param[in] *pSrcB points to the second input vector |
emilmont | 1:fdd22bb7aa52 | 2413 | * @param[out] *pDst points to the output vector |
emilmont | 1:fdd22bb7aa52 | 2414 | * @param[in] blockSize number of samples in each vector |
emilmont | 1:fdd22bb7aa52 | 2415 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 2416 | */ |
emilmont | 1:fdd22bb7aa52 | 2417 | |
emilmont | 1:fdd22bb7aa52 | 2418 | void arm_add_q15( |
emilmont | 1:fdd22bb7aa52 | 2419 | q15_t * pSrcA, |
emilmont | 1:fdd22bb7aa52 | 2420 | q15_t * pSrcB, |
emilmont | 1:fdd22bb7aa52 | 2421 | q15_t * pDst, |
emilmont | 1:fdd22bb7aa52 | 2422 | uint32_t blockSize); |
emilmont | 1:fdd22bb7aa52 | 2423 | |
emilmont | 1:fdd22bb7aa52 | 2424 | /** |
emilmont | 1:fdd22bb7aa52 | 2425 | * @brief Q31 vector addition. |
emilmont | 1:fdd22bb7aa52 | 2426 | * @param[in] *pSrcA points to the first input vector |
emilmont | 1:fdd22bb7aa52 | 2427 | * @param[in] *pSrcB points to the second input vector |
emilmont | 1:fdd22bb7aa52 | 2428 | * @param[out] *pDst points to the output vector |
emilmont | 1:fdd22bb7aa52 | 2429 | * @param[in] blockSize number of samples in each vector |
emilmont | 1:fdd22bb7aa52 | 2430 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 2431 | */ |
emilmont | 1:fdd22bb7aa52 | 2432 | |
emilmont | 1:fdd22bb7aa52 | 2433 | void arm_add_q31( |
emilmont | 1:fdd22bb7aa52 | 2434 | q31_t * pSrcA, |
emilmont | 1:fdd22bb7aa52 | 2435 | q31_t * pSrcB, |
emilmont | 1:fdd22bb7aa52 | 2436 | q31_t * pDst, |
emilmont | 1:fdd22bb7aa52 | 2437 | uint32_t blockSize); |
emilmont | 1:fdd22bb7aa52 | 2438 | |
emilmont | 1:fdd22bb7aa52 | 2439 | /** |
emilmont | 1:fdd22bb7aa52 | 2440 | * @brief Floating-point vector subtraction. |
emilmont | 1:fdd22bb7aa52 | 2441 | * @param[in] *pSrcA points to the first input vector |
emilmont | 1:fdd22bb7aa52 | 2442 | * @param[in] *pSrcB points to the second input vector |
emilmont | 1:fdd22bb7aa52 | 2443 | * @param[out] *pDst points to the output vector |
emilmont | 1:fdd22bb7aa52 | 2444 | * @param[in] blockSize number of samples in each vector |
emilmont | 1:fdd22bb7aa52 | 2445 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 2446 | */ |
emilmont | 1:fdd22bb7aa52 | 2447 | |
emilmont | 1:fdd22bb7aa52 | 2448 | void arm_sub_f32( |
emilmont | 1:fdd22bb7aa52 | 2449 | float32_t * pSrcA, |
emilmont | 1:fdd22bb7aa52 | 2450 | float32_t * pSrcB, |
emilmont | 1:fdd22bb7aa52 | 2451 | float32_t * pDst, |
emilmont | 1:fdd22bb7aa52 | 2452 | uint32_t blockSize); |
emilmont | 1:fdd22bb7aa52 | 2453 | |
emilmont | 1:fdd22bb7aa52 | 2454 | /** |
emilmont | 1:fdd22bb7aa52 | 2455 | * @brief Q7 vector subtraction. |
emilmont | 1:fdd22bb7aa52 | 2456 | * @param[in] *pSrcA points to the first input vector |
emilmont | 1:fdd22bb7aa52 | 2457 | * @param[in] *pSrcB points to the second input vector |
emilmont | 1:fdd22bb7aa52 | 2458 | * @param[out] *pDst points to the output vector |
emilmont | 1:fdd22bb7aa52 | 2459 | * @param[in] blockSize number of samples in each vector |
emilmont | 1:fdd22bb7aa52 | 2460 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 2461 | */ |
emilmont | 1:fdd22bb7aa52 | 2462 | |
emilmont | 1:fdd22bb7aa52 | 2463 | void arm_sub_q7( |
emilmont | 1:fdd22bb7aa52 | 2464 | q7_t * pSrcA, |
emilmont | 1:fdd22bb7aa52 | 2465 | q7_t * pSrcB, |
emilmont | 1:fdd22bb7aa52 | 2466 | q7_t * pDst, |
emilmont | 1:fdd22bb7aa52 | 2467 | uint32_t blockSize); |
emilmont | 1:fdd22bb7aa52 | 2468 | |
emilmont | 1:fdd22bb7aa52 | 2469 | /** |
emilmont | 1:fdd22bb7aa52 | 2470 | * @brief Q15 vector subtraction. |
emilmont | 1:fdd22bb7aa52 | 2471 | * @param[in] *pSrcA points to the first input vector |
emilmont | 1:fdd22bb7aa52 | 2472 | * @param[in] *pSrcB points to the second input vector |
emilmont | 1:fdd22bb7aa52 | 2473 | * @param[out] *pDst points to the output vector |
emilmont | 1:fdd22bb7aa52 | 2474 | * @param[in] blockSize number of samples in each vector |
emilmont | 1:fdd22bb7aa52 | 2475 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 2476 | */ |
emilmont | 1:fdd22bb7aa52 | 2477 | |
emilmont | 1:fdd22bb7aa52 | 2478 | void arm_sub_q15( |
emilmont | 1:fdd22bb7aa52 | 2479 | q15_t * pSrcA, |
emilmont | 1:fdd22bb7aa52 | 2480 | q15_t * pSrcB, |
emilmont | 1:fdd22bb7aa52 | 2481 | q15_t * pDst, |
emilmont | 1:fdd22bb7aa52 | 2482 | uint32_t blockSize); |
emilmont | 1:fdd22bb7aa52 | 2483 | |
emilmont | 1:fdd22bb7aa52 | 2484 | /** |
emilmont | 1:fdd22bb7aa52 | 2485 | * @brief Q31 vector subtraction. |
emilmont | 1:fdd22bb7aa52 | 2486 | * @param[in] *pSrcA points to the first input vector |
emilmont | 1:fdd22bb7aa52 | 2487 | * @param[in] *pSrcB points to the second input vector |
emilmont | 1:fdd22bb7aa52 | 2488 | * @param[out] *pDst points to the output vector |
emilmont | 1:fdd22bb7aa52 | 2489 | * @param[in] blockSize number of samples in each vector |
emilmont | 1:fdd22bb7aa52 | 2490 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 2491 | */ |
emilmont | 1:fdd22bb7aa52 | 2492 | |
emilmont | 1:fdd22bb7aa52 | 2493 | void arm_sub_q31( |
emilmont | 1:fdd22bb7aa52 | 2494 | q31_t * pSrcA, |
emilmont | 1:fdd22bb7aa52 | 2495 | q31_t * pSrcB, |
emilmont | 1:fdd22bb7aa52 | 2496 | q31_t * pDst, |
emilmont | 1:fdd22bb7aa52 | 2497 | uint32_t blockSize); |
emilmont | 1:fdd22bb7aa52 | 2498 | |
emilmont | 1:fdd22bb7aa52 | 2499 | /** |
emilmont | 1:fdd22bb7aa52 | 2500 | * @brief Multiplies a floating-point vector by a scalar. |
emilmont | 1:fdd22bb7aa52 | 2501 | * @param[in] *pSrc points to the input vector |
emilmont | 1:fdd22bb7aa52 | 2502 | * @param[in] scale scale factor to be applied |
emilmont | 1:fdd22bb7aa52 | 2503 | * @param[out] *pDst points to the output vector |
emilmont | 1:fdd22bb7aa52 | 2504 | * @param[in] blockSize number of samples in the vector |
emilmont | 1:fdd22bb7aa52 | 2505 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 2506 | */ |
emilmont | 1:fdd22bb7aa52 | 2507 | |
emilmont | 1:fdd22bb7aa52 | 2508 | void arm_scale_f32( |
emilmont | 1:fdd22bb7aa52 | 2509 | float32_t * pSrc, |
emilmont | 1:fdd22bb7aa52 | 2510 | float32_t scale, |
emilmont | 1:fdd22bb7aa52 | 2511 | float32_t * pDst, |
emilmont | 1:fdd22bb7aa52 | 2512 | uint32_t blockSize); |
emilmont | 1:fdd22bb7aa52 | 2513 | |
emilmont | 1:fdd22bb7aa52 | 2514 | /** |
emilmont | 1:fdd22bb7aa52 | 2515 | * @brief Multiplies a Q7 vector by a scalar. |
emilmont | 1:fdd22bb7aa52 | 2516 | * @param[in] *pSrc points to the input vector |
emilmont | 1:fdd22bb7aa52 | 2517 | * @param[in] scaleFract fractional portion of the scale value |
emilmont | 1:fdd22bb7aa52 | 2518 | * @param[in] shift number of bits to shift the result by |
emilmont | 1:fdd22bb7aa52 | 2519 | * @param[out] *pDst points to the output vector |
emilmont | 1:fdd22bb7aa52 | 2520 | * @param[in] blockSize number of samples in the vector |
emilmont | 1:fdd22bb7aa52 | 2521 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 2522 | */ |
emilmont | 1:fdd22bb7aa52 | 2523 | |
emilmont | 1:fdd22bb7aa52 | 2524 | void arm_scale_q7( |
emilmont | 1:fdd22bb7aa52 | 2525 | q7_t * pSrc, |
emilmont | 1:fdd22bb7aa52 | 2526 | q7_t scaleFract, |
emilmont | 1:fdd22bb7aa52 | 2527 | int8_t shift, |
emilmont | 1:fdd22bb7aa52 | 2528 | q7_t * pDst, |
emilmont | 1:fdd22bb7aa52 | 2529 | uint32_t blockSize); |
emilmont | 1:fdd22bb7aa52 | 2530 | |
emilmont | 1:fdd22bb7aa52 | 2531 | /** |
emilmont | 1:fdd22bb7aa52 | 2532 | * @brief Multiplies a Q15 vector by a scalar. |
emilmont | 1:fdd22bb7aa52 | 2533 | * @param[in] *pSrc points to the input vector |
emilmont | 1:fdd22bb7aa52 | 2534 | * @param[in] scaleFract fractional portion of the scale value |
emilmont | 1:fdd22bb7aa52 | 2535 | * @param[in] shift number of bits to shift the result by |
emilmont | 1:fdd22bb7aa52 | 2536 | * @param[out] *pDst points to the output vector |
emilmont | 1:fdd22bb7aa52 | 2537 | * @param[in] blockSize number of samples in the vector |
emilmont | 1:fdd22bb7aa52 | 2538 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 2539 | */ |
emilmont | 1:fdd22bb7aa52 | 2540 | |
emilmont | 1:fdd22bb7aa52 | 2541 | void arm_scale_q15( |
emilmont | 1:fdd22bb7aa52 | 2542 | q15_t * pSrc, |
emilmont | 1:fdd22bb7aa52 | 2543 | q15_t scaleFract, |
emilmont | 1:fdd22bb7aa52 | 2544 | int8_t shift, |
emilmont | 1:fdd22bb7aa52 | 2545 | q15_t * pDst, |
emilmont | 1:fdd22bb7aa52 | 2546 | uint32_t blockSize); |
emilmont | 1:fdd22bb7aa52 | 2547 | |
emilmont | 1:fdd22bb7aa52 | 2548 | /** |
emilmont | 1:fdd22bb7aa52 | 2549 | * @brief Multiplies a Q31 vector by a scalar. |
emilmont | 1:fdd22bb7aa52 | 2550 | * @param[in] *pSrc points to the input vector |
emilmont | 1:fdd22bb7aa52 | 2551 | * @param[in] scaleFract fractional portion of the scale value |
emilmont | 1:fdd22bb7aa52 | 2552 | * @param[in] shift number of bits to shift the result by |
emilmont | 1:fdd22bb7aa52 | 2553 | * @param[out] *pDst points to the output vector |
emilmont | 1:fdd22bb7aa52 | 2554 | * @param[in] blockSize number of samples in the vector |
emilmont | 1:fdd22bb7aa52 | 2555 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 2556 | */ |
emilmont | 1:fdd22bb7aa52 | 2557 | |
emilmont | 1:fdd22bb7aa52 | 2558 | void arm_scale_q31( |
emilmont | 1:fdd22bb7aa52 | 2559 | q31_t * pSrc, |
emilmont | 1:fdd22bb7aa52 | 2560 | q31_t scaleFract, |
emilmont | 1:fdd22bb7aa52 | 2561 | int8_t shift, |
emilmont | 1:fdd22bb7aa52 | 2562 | q31_t * pDst, |
emilmont | 1:fdd22bb7aa52 | 2563 | uint32_t blockSize); |
emilmont | 1:fdd22bb7aa52 | 2564 | |
emilmont | 1:fdd22bb7aa52 | 2565 | /** |
emilmont | 1:fdd22bb7aa52 | 2566 | * @brief Q7 vector absolute value. |
emilmont | 1:fdd22bb7aa52 | 2567 | * @param[in] *pSrc points to the input buffer |
emilmont | 1:fdd22bb7aa52 | 2568 | * @param[out] *pDst points to the output buffer |
emilmont | 1:fdd22bb7aa52 | 2569 | * @param[in] blockSize number of samples in each vector |
emilmont | 1:fdd22bb7aa52 | 2570 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 2571 | */ |
emilmont | 1:fdd22bb7aa52 | 2572 | |
emilmont | 1:fdd22bb7aa52 | 2573 | void arm_abs_q7( |
emilmont | 1:fdd22bb7aa52 | 2574 | q7_t * pSrc, |
emilmont | 1:fdd22bb7aa52 | 2575 | q7_t * pDst, |
emilmont | 1:fdd22bb7aa52 | 2576 | uint32_t blockSize); |
emilmont | 1:fdd22bb7aa52 | 2577 | |
emilmont | 1:fdd22bb7aa52 | 2578 | /** |
emilmont | 1:fdd22bb7aa52 | 2579 | * @brief Floating-point vector absolute value. |
emilmont | 1:fdd22bb7aa52 | 2580 | * @param[in] *pSrc points to the input buffer |
emilmont | 1:fdd22bb7aa52 | 2581 | * @param[out] *pDst points to the output buffer |
emilmont | 1:fdd22bb7aa52 | 2582 | * @param[in] blockSize number of samples in each vector |
emilmont | 1:fdd22bb7aa52 | 2583 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 2584 | */ |
emilmont | 1:fdd22bb7aa52 | 2585 | |
emilmont | 1:fdd22bb7aa52 | 2586 | void arm_abs_f32( |
emilmont | 1:fdd22bb7aa52 | 2587 | float32_t * pSrc, |
emilmont | 1:fdd22bb7aa52 | 2588 | float32_t * pDst, |
emilmont | 1:fdd22bb7aa52 | 2589 | uint32_t blockSize); |
emilmont | 1:fdd22bb7aa52 | 2590 | |
emilmont | 1:fdd22bb7aa52 | 2591 | /** |
emilmont | 1:fdd22bb7aa52 | 2592 | * @brief Q15 vector absolute value. |
emilmont | 1:fdd22bb7aa52 | 2593 | * @param[in] *pSrc points to the input buffer |
emilmont | 1:fdd22bb7aa52 | 2594 | * @param[out] *pDst points to the output buffer |
emilmont | 1:fdd22bb7aa52 | 2595 | * @param[in] blockSize number of samples in each vector |
emilmont | 1:fdd22bb7aa52 | 2596 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 2597 | */ |
emilmont | 1:fdd22bb7aa52 | 2598 | |
emilmont | 1:fdd22bb7aa52 | 2599 | void arm_abs_q15( |
emilmont | 1:fdd22bb7aa52 | 2600 | q15_t * pSrc, |
emilmont | 1:fdd22bb7aa52 | 2601 | q15_t * pDst, |
emilmont | 1:fdd22bb7aa52 | 2602 | uint32_t blockSize); |
emilmont | 1:fdd22bb7aa52 | 2603 | |
emilmont | 1:fdd22bb7aa52 | 2604 | /** |
emilmont | 1:fdd22bb7aa52 | 2605 | * @brief Q31 vector absolute value. |
emilmont | 1:fdd22bb7aa52 | 2606 | * @param[in] *pSrc points to the input buffer |
emilmont | 1:fdd22bb7aa52 | 2607 | * @param[out] *pDst points to the output buffer |
emilmont | 1:fdd22bb7aa52 | 2608 | * @param[in] blockSize number of samples in each vector |
emilmont | 1:fdd22bb7aa52 | 2609 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 2610 | */ |
emilmont | 1:fdd22bb7aa52 | 2611 | |
emilmont | 1:fdd22bb7aa52 | 2612 | void arm_abs_q31( |
emilmont | 1:fdd22bb7aa52 | 2613 | q31_t * pSrc, |
emilmont | 1:fdd22bb7aa52 | 2614 | q31_t * pDst, |
emilmont | 1:fdd22bb7aa52 | 2615 | uint32_t blockSize); |
emilmont | 1:fdd22bb7aa52 | 2616 | |
emilmont | 1:fdd22bb7aa52 | 2617 | /** |
emilmont | 1:fdd22bb7aa52 | 2618 | * @brief Dot product of floating-point vectors. |
emilmont | 1:fdd22bb7aa52 | 2619 | * @param[in] *pSrcA points to the first input vector |
emilmont | 1:fdd22bb7aa52 | 2620 | * @param[in] *pSrcB points to the second input vector |
emilmont | 1:fdd22bb7aa52 | 2621 | * @param[in] blockSize number of samples in each vector |
emilmont | 1:fdd22bb7aa52 | 2622 | * @param[out] *result output result returned here |
emilmont | 1:fdd22bb7aa52 | 2623 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 2624 | */ |
emilmont | 1:fdd22bb7aa52 | 2625 | |
emilmont | 1:fdd22bb7aa52 | 2626 | void arm_dot_prod_f32( |
emilmont | 1:fdd22bb7aa52 | 2627 | float32_t * pSrcA, |
emilmont | 1:fdd22bb7aa52 | 2628 | float32_t * pSrcB, |
emilmont | 1:fdd22bb7aa52 | 2629 | uint32_t blockSize, |
emilmont | 1:fdd22bb7aa52 | 2630 | float32_t * result); |
emilmont | 1:fdd22bb7aa52 | 2631 | |
emilmont | 1:fdd22bb7aa52 | 2632 | /** |
emilmont | 1:fdd22bb7aa52 | 2633 | * @brief Dot product of Q7 vectors. |
emilmont | 1:fdd22bb7aa52 | 2634 | * @param[in] *pSrcA points to the first input vector |
emilmont | 1:fdd22bb7aa52 | 2635 | * @param[in] *pSrcB points to the second input vector |
emilmont | 1:fdd22bb7aa52 | 2636 | * @param[in] blockSize number of samples in each vector |
emilmont | 1:fdd22bb7aa52 | 2637 | * @param[out] *result output result returned here |
emilmont | 1:fdd22bb7aa52 | 2638 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 2639 | */ |
emilmont | 1:fdd22bb7aa52 | 2640 | |
emilmont | 1:fdd22bb7aa52 | 2641 | void arm_dot_prod_q7( |
emilmont | 1:fdd22bb7aa52 | 2642 | q7_t * pSrcA, |
emilmont | 1:fdd22bb7aa52 | 2643 | q7_t * pSrcB, |
emilmont | 1:fdd22bb7aa52 | 2644 | uint32_t blockSize, |
emilmont | 1:fdd22bb7aa52 | 2645 | q31_t * result); |
emilmont | 1:fdd22bb7aa52 | 2646 | |
emilmont | 1:fdd22bb7aa52 | 2647 | /** |
emilmont | 1:fdd22bb7aa52 | 2648 | * @brief Dot product of Q15 vectors. |
emilmont | 1:fdd22bb7aa52 | 2649 | * @param[in] *pSrcA points to the first input vector |
emilmont | 1:fdd22bb7aa52 | 2650 | * @param[in] *pSrcB points to the second input vector |
emilmont | 1:fdd22bb7aa52 | 2651 | * @param[in] blockSize number of samples in each vector |
emilmont | 1:fdd22bb7aa52 | 2652 | * @param[out] *result output result returned here |
emilmont | 1:fdd22bb7aa52 | 2653 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 2654 | */ |
emilmont | 1:fdd22bb7aa52 | 2655 | |
emilmont | 1:fdd22bb7aa52 | 2656 | void arm_dot_prod_q15( |
emilmont | 1:fdd22bb7aa52 | 2657 | q15_t * pSrcA, |
emilmont | 1:fdd22bb7aa52 | 2658 | q15_t * pSrcB, |
emilmont | 1:fdd22bb7aa52 | 2659 | uint32_t blockSize, |
emilmont | 1:fdd22bb7aa52 | 2660 | q63_t * result); |
emilmont | 1:fdd22bb7aa52 | 2661 | |
emilmont | 1:fdd22bb7aa52 | 2662 | /** |
emilmont | 1:fdd22bb7aa52 | 2663 | * @brief Dot product of Q31 vectors. |
emilmont | 1:fdd22bb7aa52 | 2664 | * @param[in] *pSrcA points to the first input vector |
emilmont | 1:fdd22bb7aa52 | 2665 | * @param[in] *pSrcB points to the second input vector |
emilmont | 1:fdd22bb7aa52 | 2666 | * @param[in] blockSize number of samples in each vector |
emilmont | 1:fdd22bb7aa52 | 2667 | * @param[out] *result output result returned here |
emilmont | 1:fdd22bb7aa52 | 2668 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 2669 | */ |
emilmont | 1:fdd22bb7aa52 | 2670 | |
emilmont | 1:fdd22bb7aa52 | 2671 | void arm_dot_prod_q31( |
emilmont | 1:fdd22bb7aa52 | 2672 | q31_t * pSrcA, |
emilmont | 1:fdd22bb7aa52 | 2673 | q31_t * pSrcB, |
emilmont | 1:fdd22bb7aa52 | 2674 | uint32_t blockSize, |
emilmont | 1:fdd22bb7aa52 | 2675 | q63_t * result); |
emilmont | 1:fdd22bb7aa52 | 2676 | |
emilmont | 1:fdd22bb7aa52 | 2677 | /** |
emilmont | 1:fdd22bb7aa52 | 2678 | * @brief Shifts the elements of a Q7 vector a specified number of bits. |
emilmont | 1:fdd22bb7aa52 | 2679 | * @param[in] *pSrc points to the input vector |
emilmont | 1:fdd22bb7aa52 | 2680 | * @param[in] shiftBits number of bits to shift. A positive value shifts left; a negative value shifts right. |
emilmont | 1:fdd22bb7aa52 | 2681 | * @param[out] *pDst points to the output vector |
emilmont | 1:fdd22bb7aa52 | 2682 | * @param[in] blockSize number of samples in the vector |
emilmont | 1:fdd22bb7aa52 | 2683 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 2684 | */ |
emilmont | 1:fdd22bb7aa52 | 2685 | |
emilmont | 1:fdd22bb7aa52 | 2686 | void arm_shift_q7( |
emilmont | 1:fdd22bb7aa52 | 2687 | q7_t * pSrc, |
emilmont | 1:fdd22bb7aa52 | 2688 | int8_t shiftBits, |
emilmont | 1:fdd22bb7aa52 | 2689 | q7_t * pDst, |
emilmont | 1:fdd22bb7aa52 | 2690 | uint32_t blockSize); |
emilmont | 1:fdd22bb7aa52 | 2691 | |
emilmont | 1:fdd22bb7aa52 | 2692 | /** |
emilmont | 1:fdd22bb7aa52 | 2693 | * @brief Shifts the elements of a Q15 vector a specified number of bits. |
emilmont | 1:fdd22bb7aa52 | 2694 | * @param[in] *pSrc points to the input vector |
emilmont | 1:fdd22bb7aa52 | 2695 | * @param[in] shiftBits number of bits to shift. A positive value shifts left; a negative value shifts right. |
emilmont | 1:fdd22bb7aa52 | 2696 | * @param[out] *pDst points to the output vector |
emilmont | 1:fdd22bb7aa52 | 2697 | * @param[in] blockSize number of samples in the vector |
emilmont | 1:fdd22bb7aa52 | 2698 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 2699 | */ |
emilmont | 1:fdd22bb7aa52 | 2700 | |
emilmont | 1:fdd22bb7aa52 | 2701 | void arm_shift_q15( |
emilmont | 1:fdd22bb7aa52 | 2702 | q15_t * pSrc, |
emilmont | 1:fdd22bb7aa52 | 2703 | int8_t shiftBits, |
emilmont | 1:fdd22bb7aa52 | 2704 | q15_t * pDst, |
emilmont | 1:fdd22bb7aa52 | 2705 | uint32_t blockSize); |
emilmont | 1:fdd22bb7aa52 | 2706 | |
emilmont | 1:fdd22bb7aa52 | 2707 | /** |
emilmont | 1:fdd22bb7aa52 | 2708 | * @brief Shifts the elements of a Q31 vector a specified number of bits. |
emilmont | 1:fdd22bb7aa52 | 2709 | * @param[in] *pSrc points to the input vector |
emilmont | 1:fdd22bb7aa52 | 2710 | * @param[in] shiftBits number of bits to shift. A positive value shifts left; a negative value shifts right. |
emilmont | 1:fdd22bb7aa52 | 2711 | * @param[out] *pDst points to the output vector |
emilmont | 1:fdd22bb7aa52 | 2712 | * @param[in] blockSize number of samples in the vector |
emilmont | 1:fdd22bb7aa52 | 2713 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 2714 | */ |
emilmont | 1:fdd22bb7aa52 | 2715 | |
emilmont | 1:fdd22bb7aa52 | 2716 | void arm_shift_q31( |
emilmont | 1:fdd22bb7aa52 | 2717 | q31_t * pSrc, |
emilmont | 1:fdd22bb7aa52 | 2718 | int8_t shiftBits, |
emilmont | 1:fdd22bb7aa52 | 2719 | q31_t * pDst, |
emilmont | 1:fdd22bb7aa52 | 2720 | uint32_t blockSize); |
emilmont | 1:fdd22bb7aa52 | 2721 | |
emilmont | 1:fdd22bb7aa52 | 2722 | /** |
emilmont | 1:fdd22bb7aa52 | 2723 | * @brief Adds a constant offset to a floating-point vector. |
emilmont | 1:fdd22bb7aa52 | 2724 | * @param[in] *pSrc points to the input vector |
emilmont | 1:fdd22bb7aa52 | 2725 | * @param[in] offset is the offset to be added |
emilmont | 1:fdd22bb7aa52 | 2726 | * @param[out] *pDst points to the output vector |
emilmont | 1:fdd22bb7aa52 | 2727 | * @param[in] blockSize number of samples in the vector |
emilmont | 1:fdd22bb7aa52 | 2728 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 2729 | */ |
emilmont | 1:fdd22bb7aa52 | 2730 | |
emilmont | 1:fdd22bb7aa52 | 2731 | void arm_offset_f32( |
emilmont | 1:fdd22bb7aa52 | 2732 | float32_t * pSrc, |
emilmont | 1:fdd22bb7aa52 | 2733 | float32_t offset, |
emilmont | 1:fdd22bb7aa52 | 2734 | float32_t * pDst, |
emilmont | 1:fdd22bb7aa52 | 2735 | uint32_t blockSize); |
emilmont | 1:fdd22bb7aa52 | 2736 | |
emilmont | 1:fdd22bb7aa52 | 2737 | /** |
emilmont | 1:fdd22bb7aa52 | 2738 | * @brief Adds a constant offset to a Q7 vector. |
emilmont | 1:fdd22bb7aa52 | 2739 | * @param[in] *pSrc points to the input vector |
emilmont | 1:fdd22bb7aa52 | 2740 | * @param[in] offset is the offset to be added |
emilmont | 1:fdd22bb7aa52 | 2741 | * @param[out] *pDst points to the output vector |
emilmont | 1:fdd22bb7aa52 | 2742 | * @param[in] blockSize number of samples in the vector |
emilmont | 1:fdd22bb7aa52 | 2743 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 2744 | */ |
emilmont | 1:fdd22bb7aa52 | 2745 | |
emilmont | 1:fdd22bb7aa52 | 2746 | void arm_offset_q7( |
emilmont | 1:fdd22bb7aa52 | 2747 | q7_t * pSrc, |
emilmont | 1:fdd22bb7aa52 | 2748 | q7_t offset, |
emilmont | 1:fdd22bb7aa52 | 2749 | q7_t * pDst, |
emilmont | 1:fdd22bb7aa52 | 2750 | uint32_t blockSize); |
emilmont | 1:fdd22bb7aa52 | 2751 | |
emilmont | 1:fdd22bb7aa52 | 2752 | /** |
emilmont | 1:fdd22bb7aa52 | 2753 | * @brief Adds a constant offset to a Q15 vector. |
emilmont | 1:fdd22bb7aa52 | 2754 | * @param[in] *pSrc points to the input vector |
emilmont | 1:fdd22bb7aa52 | 2755 | * @param[in] offset is the offset to be added |
emilmont | 1:fdd22bb7aa52 | 2756 | * @param[out] *pDst points to the output vector |
emilmont | 1:fdd22bb7aa52 | 2757 | * @param[in] blockSize number of samples in the vector |
emilmont | 1:fdd22bb7aa52 | 2758 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 2759 | */ |
emilmont | 1:fdd22bb7aa52 | 2760 | |
emilmont | 1:fdd22bb7aa52 | 2761 | void arm_offset_q15( |
emilmont | 1:fdd22bb7aa52 | 2762 | q15_t * pSrc, |
emilmont | 1:fdd22bb7aa52 | 2763 | q15_t offset, |
emilmont | 1:fdd22bb7aa52 | 2764 | q15_t * pDst, |
emilmont | 1:fdd22bb7aa52 | 2765 | uint32_t blockSize); |
emilmont | 1:fdd22bb7aa52 | 2766 | |
emilmont | 1:fdd22bb7aa52 | 2767 | /** |
emilmont | 1:fdd22bb7aa52 | 2768 | * @brief Adds a constant offset to a Q31 vector. |
emilmont | 1:fdd22bb7aa52 | 2769 | * @param[in] *pSrc points to the input vector |
emilmont | 1:fdd22bb7aa52 | 2770 | * @param[in] offset is the offset to be added |
emilmont | 1:fdd22bb7aa52 | 2771 | * @param[out] *pDst points to the output vector |
emilmont | 1:fdd22bb7aa52 | 2772 | * @param[in] blockSize number of samples in the vector |
emilmont | 1:fdd22bb7aa52 | 2773 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 2774 | */ |
emilmont | 1:fdd22bb7aa52 | 2775 | |
emilmont | 1:fdd22bb7aa52 | 2776 | void arm_offset_q31( |
emilmont | 1:fdd22bb7aa52 | 2777 | q31_t * pSrc, |
emilmont | 1:fdd22bb7aa52 | 2778 | q31_t offset, |
emilmont | 1:fdd22bb7aa52 | 2779 | q31_t * pDst, |
emilmont | 1:fdd22bb7aa52 | 2780 | uint32_t blockSize); |
emilmont | 1:fdd22bb7aa52 | 2781 | |
emilmont | 1:fdd22bb7aa52 | 2782 | /** |
emilmont | 1:fdd22bb7aa52 | 2783 | * @brief Negates the elements of a floating-point vector. |
emilmont | 1:fdd22bb7aa52 | 2784 | * @param[in] *pSrc points to the input vector |
emilmont | 1:fdd22bb7aa52 | 2785 | * @param[out] *pDst points to the output vector |
emilmont | 1:fdd22bb7aa52 | 2786 | * @param[in] blockSize number of samples in the vector |
emilmont | 1:fdd22bb7aa52 | 2787 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 2788 | */ |
emilmont | 1:fdd22bb7aa52 | 2789 | |
emilmont | 1:fdd22bb7aa52 | 2790 | void arm_negate_f32( |
emilmont | 1:fdd22bb7aa52 | 2791 | float32_t * pSrc, |
emilmont | 1:fdd22bb7aa52 | 2792 | float32_t * pDst, |
emilmont | 1:fdd22bb7aa52 | 2793 | uint32_t blockSize); |
emilmont | 1:fdd22bb7aa52 | 2794 | |
emilmont | 1:fdd22bb7aa52 | 2795 | /** |
emilmont | 1:fdd22bb7aa52 | 2796 | * @brief Negates the elements of a Q7 vector. |
emilmont | 1:fdd22bb7aa52 | 2797 | * @param[in] *pSrc points to the input vector |
emilmont | 1:fdd22bb7aa52 | 2798 | * @param[out] *pDst points to the output vector |
emilmont | 1:fdd22bb7aa52 | 2799 | * @param[in] blockSize number of samples in the vector |
emilmont | 1:fdd22bb7aa52 | 2800 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 2801 | */ |
emilmont | 1:fdd22bb7aa52 | 2802 | |
emilmont | 1:fdd22bb7aa52 | 2803 | void arm_negate_q7( |
emilmont | 1:fdd22bb7aa52 | 2804 | q7_t * pSrc, |
emilmont | 1:fdd22bb7aa52 | 2805 | q7_t * pDst, |
emilmont | 1:fdd22bb7aa52 | 2806 | uint32_t blockSize); |
emilmont | 1:fdd22bb7aa52 | 2807 | |
emilmont | 1:fdd22bb7aa52 | 2808 | /** |
emilmont | 1:fdd22bb7aa52 | 2809 | * @brief Negates the elements of a Q15 vector. |
emilmont | 1:fdd22bb7aa52 | 2810 | * @param[in] *pSrc points to the input vector |
emilmont | 1:fdd22bb7aa52 | 2811 | * @param[out] *pDst points to the output vector |
emilmont | 1:fdd22bb7aa52 | 2812 | * @param[in] blockSize number of samples in the vector |
emilmont | 1:fdd22bb7aa52 | 2813 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 2814 | */ |
emilmont | 1:fdd22bb7aa52 | 2815 | |
emilmont | 1:fdd22bb7aa52 | 2816 | void arm_negate_q15( |
emilmont | 1:fdd22bb7aa52 | 2817 | q15_t * pSrc, |
emilmont | 1:fdd22bb7aa52 | 2818 | q15_t * pDst, |
emilmont | 1:fdd22bb7aa52 | 2819 | uint32_t blockSize); |
emilmont | 1:fdd22bb7aa52 | 2820 | |
emilmont | 1:fdd22bb7aa52 | 2821 | /** |
emilmont | 1:fdd22bb7aa52 | 2822 | * @brief Negates the elements of a Q31 vector. |
emilmont | 1:fdd22bb7aa52 | 2823 | * @param[in] *pSrc points to the input vector |
emilmont | 1:fdd22bb7aa52 | 2824 | * @param[out] *pDst points to the output vector |
emilmont | 1:fdd22bb7aa52 | 2825 | * @param[in] blockSize number of samples in the vector |
emilmont | 1:fdd22bb7aa52 | 2826 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 2827 | */ |
emilmont | 1:fdd22bb7aa52 | 2828 | |
emilmont | 1:fdd22bb7aa52 | 2829 | void arm_negate_q31( |
emilmont | 1:fdd22bb7aa52 | 2830 | q31_t * pSrc, |
emilmont | 1:fdd22bb7aa52 | 2831 | q31_t * pDst, |
emilmont | 1:fdd22bb7aa52 | 2832 | uint32_t blockSize); |
emilmont | 1:fdd22bb7aa52 | 2833 | /** |
mbed_official | 3:7a284390b0ce | 2834 | * @brief Copies the elements of a floating-point vector. |
emilmont | 1:fdd22bb7aa52 | 2835 | * @param[in] *pSrc input pointer |
emilmont | 1:fdd22bb7aa52 | 2836 | * @param[out] *pDst output pointer |
emilmont | 1:fdd22bb7aa52 | 2837 | * @param[in] blockSize number of samples to process |
emilmont | 1:fdd22bb7aa52 | 2838 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 2839 | */ |
emilmont | 1:fdd22bb7aa52 | 2840 | void arm_copy_f32( |
emilmont | 1:fdd22bb7aa52 | 2841 | float32_t * pSrc, |
emilmont | 1:fdd22bb7aa52 | 2842 | float32_t * pDst, |
emilmont | 1:fdd22bb7aa52 | 2843 | uint32_t blockSize); |
emilmont | 1:fdd22bb7aa52 | 2844 | |
emilmont | 1:fdd22bb7aa52 | 2845 | /** |
mbed_official | 3:7a284390b0ce | 2846 | * @brief Copies the elements of a Q7 vector. |
emilmont | 1:fdd22bb7aa52 | 2847 | * @param[in] *pSrc input pointer |
emilmont | 1:fdd22bb7aa52 | 2848 | * @param[out] *pDst output pointer |
emilmont | 1:fdd22bb7aa52 | 2849 | * @param[in] blockSize number of samples to process |
emilmont | 1:fdd22bb7aa52 | 2850 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 2851 | */ |
emilmont | 1:fdd22bb7aa52 | 2852 | void arm_copy_q7( |
emilmont | 1:fdd22bb7aa52 | 2853 | q7_t * pSrc, |
emilmont | 1:fdd22bb7aa52 | 2854 | q7_t * pDst, |
emilmont | 1:fdd22bb7aa52 | 2855 | uint32_t blockSize); |
emilmont | 1:fdd22bb7aa52 | 2856 | |
emilmont | 1:fdd22bb7aa52 | 2857 | /** |
mbed_official | 3:7a284390b0ce | 2858 | * @brief Copies the elements of a Q15 vector. |
emilmont | 1:fdd22bb7aa52 | 2859 | * @param[in] *pSrc input pointer |
emilmont | 1:fdd22bb7aa52 | 2860 | * @param[out] *pDst output pointer |
emilmont | 1:fdd22bb7aa52 | 2861 | * @param[in] blockSize number of samples to process |
emilmont | 1:fdd22bb7aa52 | 2862 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 2863 | */ |
emilmont | 1:fdd22bb7aa52 | 2864 | void arm_copy_q15( |
emilmont | 1:fdd22bb7aa52 | 2865 | q15_t * pSrc, |
emilmont | 1:fdd22bb7aa52 | 2866 | q15_t * pDst, |
emilmont | 1:fdd22bb7aa52 | 2867 | uint32_t blockSize); |
emilmont | 1:fdd22bb7aa52 | 2868 | |
emilmont | 1:fdd22bb7aa52 | 2869 | /** |
mbed_official | 3:7a284390b0ce | 2870 | * @brief Copies the elements of a Q31 vector. |
emilmont | 1:fdd22bb7aa52 | 2871 | * @param[in] *pSrc input pointer |
emilmont | 1:fdd22bb7aa52 | 2872 | * @param[out] *pDst output pointer |
emilmont | 1:fdd22bb7aa52 | 2873 | * @param[in] blockSize number of samples to process |
emilmont | 1:fdd22bb7aa52 | 2874 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 2875 | */ |
emilmont | 1:fdd22bb7aa52 | 2876 | void arm_copy_q31( |
emilmont | 1:fdd22bb7aa52 | 2877 | q31_t * pSrc, |
emilmont | 1:fdd22bb7aa52 | 2878 | q31_t * pDst, |
emilmont | 1:fdd22bb7aa52 | 2879 | uint32_t blockSize); |
emilmont | 1:fdd22bb7aa52 | 2880 | /** |
mbed_official | 3:7a284390b0ce | 2881 | * @brief Fills a constant value into a floating-point vector. |
emilmont | 1:fdd22bb7aa52 | 2882 | * @param[in] value input value to be filled |
emilmont | 1:fdd22bb7aa52 | 2883 | * @param[out] *pDst output pointer |
emilmont | 1:fdd22bb7aa52 | 2884 | * @param[in] blockSize number of samples to process |
emilmont | 1:fdd22bb7aa52 | 2885 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 2886 | */ |
emilmont | 1:fdd22bb7aa52 | 2887 | void arm_fill_f32( |
emilmont | 1:fdd22bb7aa52 | 2888 | float32_t value, |
emilmont | 1:fdd22bb7aa52 | 2889 | float32_t * pDst, |
emilmont | 1:fdd22bb7aa52 | 2890 | uint32_t blockSize); |
emilmont | 1:fdd22bb7aa52 | 2891 | |
emilmont | 1:fdd22bb7aa52 | 2892 | /** |
mbed_official | 3:7a284390b0ce | 2893 | * @brief Fills a constant value into a Q7 vector. |
emilmont | 1:fdd22bb7aa52 | 2894 | * @param[in] value input value to be filled |
emilmont | 1:fdd22bb7aa52 | 2895 | * @param[out] *pDst output pointer |
emilmont | 1:fdd22bb7aa52 | 2896 | * @param[in] blockSize number of samples to process |
emilmont | 1:fdd22bb7aa52 | 2897 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 2898 | */ |
emilmont | 1:fdd22bb7aa52 | 2899 | void arm_fill_q7( |
emilmont | 1:fdd22bb7aa52 | 2900 | q7_t value, |
emilmont | 1:fdd22bb7aa52 | 2901 | q7_t * pDst, |
emilmont | 1:fdd22bb7aa52 | 2902 | uint32_t blockSize); |
emilmont | 1:fdd22bb7aa52 | 2903 | |
emilmont | 1:fdd22bb7aa52 | 2904 | /** |
mbed_official | 3:7a284390b0ce | 2905 | * @brief Fills a constant value into a Q15 vector. |
emilmont | 1:fdd22bb7aa52 | 2906 | * @param[in] value input value to be filled |
emilmont | 1:fdd22bb7aa52 | 2907 | * @param[out] *pDst output pointer |
emilmont | 1:fdd22bb7aa52 | 2908 | * @param[in] blockSize number of samples to process |
emilmont | 1:fdd22bb7aa52 | 2909 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 2910 | */ |
emilmont | 1:fdd22bb7aa52 | 2911 | void arm_fill_q15( |
emilmont | 1:fdd22bb7aa52 | 2912 | q15_t value, |
emilmont | 1:fdd22bb7aa52 | 2913 | q15_t * pDst, |
emilmont | 1:fdd22bb7aa52 | 2914 | uint32_t blockSize); |
emilmont | 1:fdd22bb7aa52 | 2915 | |
emilmont | 1:fdd22bb7aa52 | 2916 | /** |
mbed_official | 3:7a284390b0ce | 2917 | * @brief Fills a constant value into a Q31 vector. |
emilmont | 1:fdd22bb7aa52 | 2918 | * @param[in] value input value to be filled |
emilmont | 1:fdd22bb7aa52 | 2919 | * @param[out] *pDst output pointer |
emilmont | 1:fdd22bb7aa52 | 2920 | * @param[in] blockSize number of samples to process |
emilmont | 1:fdd22bb7aa52 | 2921 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 2922 | */ |
emilmont | 1:fdd22bb7aa52 | 2923 | void arm_fill_q31( |
emilmont | 1:fdd22bb7aa52 | 2924 | q31_t value, |
emilmont | 1:fdd22bb7aa52 | 2925 | q31_t * pDst, |
emilmont | 1:fdd22bb7aa52 | 2926 | uint32_t blockSize); |
emilmont | 1:fdd22bb7aa52 | 2927 | |
mbed_official | 3:7a284390b0ce | 2928 | /** |
mbed_official | 3:7a284390b0ce | 2929 | * @brief Convolution of floating-point sequences. |
mbed_official | 3:7a284390b0ce | 2930 | * @param[in] *pSrcA points to the first input sequence. |
mbed_official | 3:7a284390b0ce | 2931 | * @param[in] srcALen length of the first input sequence. |
mbed_official | 3:7a284390b0ce | 2932 | * @param[in] *pSrcB points to the second input sequence. |
mbed_official | 3:7a284390b0ce | 2933 | * @param[in] srcBLen length of the second input sequence. |
mbed_official | 3:7a284390b0ce | 2934 | * @param[out] *pDst points to the location where the output result is written. Length srcALen+srcBLen-1. |
mbed_official | 3:7a284390b0ce | 2935 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 2936 | */ |
emilmont | 1:fdd22bb7aa52 | 2937 | |
emilmont | 1:fdd22bb7aa52 | 2938 | void arm_conv_f32( |
emilmont | 1:fdd22bb7aa52 | 2939 | float32_t * pSrcA, |
emilmont | 1:fdd22bb7aa52 | 2940 | uint32_t srcALen, |
emilmont | 1:fdd22bb7aa52 | 2941 | float32_t * pSrcB, |
emilmont | 1:fdd22bb7aa52 | 2942 | uint32_t srcBLen, |
emilmont | 1:fdd22bb7aa52 | 2943 | float32_t * pDst); |
emilmont | 1:fdd22bb7aa52 | 2944 | |
mbed_official | 3:7a284390b0ce | 2945 | |
mbed_official | 3:7a284390b0ce | 2946 | /** |
mbed_official | 3:7a284390b0ce | 2947 | * @brief Convolution of Q15 sequences. |
mbed_official | 3:7a284390b0ce | 2948 | * @param[in] *pSrcA points to the first input sequence. |
mbed_official | 3:7a284390b0ce | 2949 | * @param[in] srcALen length of the first input sequence. |
mbed_official | 3:7a284390b0ce | 2950 | * @param[in] *pSrcB points to the second input sequence. |
mbed_official | 3:7a284390b0ce | 2951 | * @param[in] srcBLen length of the second input sequence. |
mbed_official | 3:7a284390b0ce | 2952 | * @param[out] *pDst points to the block of output data Length srcALen+srcBLen-1. |
mbed_official | 3:7a284390b0ce | 2953 | * @param[in] *pScratch1 points to scratch buffer of size max(srcALen, srcBLen) + 2*min(srcALen, srcBLen) - 2. |
mbed_official | 3:7a284390b0ce | 2954 | * @param[in] *pScratch2 points to scratch buffer of size min(srcALen, srcBLen). |
mbed_official | 3:7a284390b0ce | 2955 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 2956 | */ |
emilmont | 1:fdd22bb7aa52 | 2957 | |
emilmont | 1:fdd22bb7aa52 | 2958 | |
emilmont | 1:fdd22bb7aa52 | 2959 | void arm_conv_opt_q15( |
emilmont | 1:fdd22bb7aa52 | 2960 | q15_t * pSrcA, |
emilmont | 1:fdd22bb7aa52 | 2961 | uint32_t srcALen, |
emilmont | 1:fdd22bb7aa52 | 2962 | q15_t * pSrcB, |
emilmont | 1:fdd22bb7aa52 | 2963 | uint32_t srcBLen, |
emilmont | 1:fdd22bb7aa52 | 2964 | q15_t * pDst, |
emilmont | 1:fdd22bb7aa52 | 2965 | q15_t * pScratch1, |
emilmont | 1:fdd22bb7aa52 | 2966 | q15_t * pScratch2); |
emilmont | 1:fdd22bb7aa52 | 2967 | |
emilmont | 1:fdd22bb7aa52 | 2968 | |
mbed_official | 3:7a284390b0ce | 2969 | /** |
mbed_official | 3:7a284390b0ce | 2970 | * @brief Convolution of Q15 sequences. |
mbed_official | 3:7a284390b0ce | 2971 | * @param[in] *pSrcA points to the first input sequence. |
mbed_official | 3:7a284390b0ce | 2972 | * @param[in] srcALen length of the first input sequence. |
mbed_official | 3:7a284390b0ce | 2973 | * @param[in] *pSrcB points to the second input sequence. |
mbed_official | 3:7a284390b0ce | 2974 | * @param[in] srcBLen length of the second input sequence. |
mbed_official | 3:7a284390b0ce | 2975 | * @param[out] *pDst points to the location where the output result is written. Length srcALen+srcBLen-1. |
mbed_official | 3:7a284390b0ce | 2976 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 2977 | */ |
emilmont | 1:fdd22bb7aa52 | 2978 | |
emilmont | 1:fdd22bb7aa52 | 2979 | void arm_conv_q15( |
emilmont | 1:fdd22bb7aa52 | 2980 | q15_t * pSrcA, |
emilmont | 1:fdd22bb7aa52 | 2981 | uint32_t srcALen, |
emilmont | 1:fdd22bb7aa52 | 2982 | q15_t * pSrcB, |
emilmont | 1:fdd22bb7aa52 | 2983 | uint32_t srcBLen, |
emilmont | 1:fdd22bb7aa52 | 2984 | q15_t * pDst); |
emilmont | 1:fdd22bb7aa52 | 2985 | |
emilmont | 1:fdd22bb7aa52 | 2986 | /** |
emilmont | 1:fdd22bb7aa52 | 2987 | * @brief Convolution of Q15 sequences (fast version) for Cortex-M3 and Cortex-M4 |
emilmont | 1:fdd22bb7aa52 | 2988 | * @param[in] *pSrcA points to the first input sequence. |
emilmont | 1:fdd22bb7aa52 | 2989 | * @param[in] srcALen length of the first input sequence. |
emilmont | 1:fdd22bb7aa52 | 2990 | * @param[in] *pSrcB points to the second input sequence. |
emilmont | 1:fdd22bb7aa52 | 2991 | * @param[in] srcBLen length of the second input sequence. |
emilmont | 1:fdd22bb7aa52 | 2992 | * @param[out] *pDst points to the block of output data Length srcALen+srcBLen-1. |
emilmont | 1:fdd22bb7aa52 | 2993 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 2994 | */ |
emilmont | 1:fdd22bb7aa52 | 2995 | |
emilmont | 1:fdd22bb7aa52 | 2996 | void arm_conv_fast_q15( |
emilmont | 2:da51fb522205 | 2997 | q15_t * pSrcA, |
emilmont | 2:da51fb522205 | 2998 | uint32_t srcALen, |
emilmont | 2:da51fb522205 | 2999 | q15_t * pSrcB, |
emilmont | 2:da51fb522205 | 3000 | uint32_t srcBLen, |
emilmont | 2:da51fb522205 | 3001 | q15_t * pDst); |
emilmont | 1:fdd22bb7aa52 | 3002 | |
emilmont | 1:fdd22bb7aa52 | 3003 | /** |
emilmont | 1:fdd22bb7aa52 | 3004 | * @brief Convolution of Q15 sequences (fast version) for Cortex-M3 and Cortex-M4 |
emilmont | 1:fdd22bb7aa52 | 3005 | * @param[in] *pSrcA points to the first input sequence. |
emilmont | 1:fdd22bb7aa52 | 3006 | * @param[in] srcALen length of the first input sequence. |
emilmont | 1:fdd22bb7aa52 | 3007 | * @param[in] *pSrcB points to the second input sequence. |
emilmont | 1:fdd22bb7aa52 | 3008 | * @param[in] srcBLen length of the second input sequence. |
emilmont | 1:fdd22bb7aa52 | 3009 | * @param[out] *pDst points to the block of output data Length srcALen+srcBLen-1. |
mbed_official | 3:7a284390b0ce | 3010 | * @param[in] *pScratch1 points to scratch buffer of size max(srcALen, srcBLen) + 2*min(srcALen, srcBLen) - 2. |
mbed_official | 3:7a284390b0ce | 3011 | * @param[in] *pScratch2 points to scratch buffer of size min(srcALen, srcBLen). |
mbed_official | 3:7a284390b0ce | 3012 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 3013 | */ |
emilmont | 1:fdd22bb7aa52 | 3014 | |
emilmont | 1:fdd22bb7aa52 | 3015 | void arm_conv_fast_opt_q15( |
emilmont | 1:fdd22bb7aa52 | 3016 | q15_t * pSrcA, |
emilmont | 1:fdd22bb7aa52 | 3017 | uint32_t srcALen, |
emilmont | 1:fdd22bb7aa52 | 3018 | q15_t * pSrcB, |
emilmont | 1:fdd22bb7aa52 | 3019 | uint32_t srcBLen, |
emilmont | 1:fdd22bb7aa52 | 3020 | q15_t * pDst, |
emilmont | 1:fdd22bb7aa52 | 3021 | q15_t * pScratch1, |
emilmont | 1:fdd22bb7aa52 | 3022 | q15_t * pScratch2); |
emilmont | 1:fdd22bb7aa52 | 3023 | |
emilmont | 1:fdd22bb7aa52 | 3024 | |
emilmont | 1:fdd22bb7aa52 | 3025 | |
emilmont | 1:fdd22bb7aa52 | 3026 | /** |
emilmont | 1:fdd22bb7aa52 | 3027 | * @brief Convolution of Q31 sequences. |
emilmont | 1:fdd22bb7aa52 | 3028 | * @param[in] *pSrcA points to the first input sequence. |
emilmont | 1:fdd22bb7aa52 | 3029 | * @param[in] srcALen length of the first input sequence. |
emilmont | 1:fdd22bb7aa52 | 3030 | * @param[in] *pSrcB points to the second input sequence. |
emilmont | 1:fdd22bb7aa52 | 3031 | * @param[in] srcBLen length of the second input sequence. |
emilmont | 1:fdd22bb7aa52 | 3032 | * @param[out] *pDst points to the block of output data Length srcALen+srcBLen-1. |
emilmont | 1:fdd22bb7aa52 | 3033 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 3034 | */ |
emilmont | 1:fdd22bb7aa52 | 3035 | |
emilmont | 1:fdd22bb7aa52 | 3036 | void arm_conv_q31( |
emilmont | 1:fdd22bb7aa52 | 3037 | q31_t * pSrcA, |
emilmont | 1:fdd22bb7aa52 | 3038 | uint32_t srcALen, |
emilmont | 1:fdd22bb7aa52 | 3039 | q31_t * pSrcB, |
emilmont | 1:fdd22bb7aa52 | 3040 | uint32_t srcBLen, |
emilmont | 1:fdd22bb7aa52 | 3041 | q31_t * pDst); |
emilmont | 1:fdd22bb7aa52 | 3042 | |
emilmont | 1:fdd22bb7aa52 | 3043 | /** |
emilmont | 1:fdd22bb7aa52 | 3044 | * @brief Convolution of Q31 sequences (fast version) for Cortex-M3 and Cortex-M4 |
emilmont | 1:fdd22bb7aa52 | 3045 | * @param[in] *pSrcA points to the first input sequence. |
emilmont | 1:fdd22bb7aa52 | 3046 | * @param[in] srcALen length of the first input sequence. |
emilmont | 1:fdd22bb7aa52 | 3047 | * @param[in] *pSrcB points to the second input sequence. |
emilmont | 1:fdd22bb7aa52 | 3048 | * @param[in] srcBLen length of the second input sequence. |
emilmont | 1:fdd22bb7aa52 | 3049 | * @param[out] *pDst points to the block of output data Length srcALen+srcBLen-1. |
emilmont | 1:fdd22bb7aa52 | 3050 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 3051 | */ |
emilmont | 1:fdd22bb7aa52 | 3052 | |
emilmont | 1:fdd22bb7aa52 | 3053 | void arm_conv_fast_q31( |
emilmont | 1:fdd22bb7aa52 | 3054 | q31_t * pSrcA, |
emilmont | 1:fdd22bb7aa52 | 3055 | uint32_t srcALen, |
emilmont | 1:fdd22bb7aa52 | 3056 | q31_t * pSrcB, |
emilmont | 1:fdd22bb7aa52 | 3057 | uint32_t srcBLen, |
emilmont | 1:fdd22bb7aa52 | 3058 | q31_t * pDst); |
emilmont | 1:fdd22bb7aa52 | 3059 | |
emilmont | 1:fdd22bb7aa52 | 3060 | |
mbed_official | 3:7a284390b0ce | 3061 | /** |
mbed_official | 3:7a284390b0ce | 3062 | * @brief Convolution of Q7 sequences. |
mbed_official | 3:7a284390b0ce | 3063 | * @param[in] *pSrcA points to the first input sequence. |
mbed_official | 3:7a284390b0ce | 3064 | * @param[in] srcALen length of the first input sequence. |
mbed_official | 3:7a284390b0ce | 3065 | * @param[in] *pSrcB points to the second input sequence. |
mbed_official | 3:7a284390b0ce | 3066 | * @param[in] srcBLen length of the second input sequence. |
mbed_official | 3:7a284390b0ce | 3067 | * @param[out] *pDst points to the block of output data Length srcALen+srcBLen-1. |
mbed_official | 3:7a284390b0ce | 3068 | * @param[in] *pScratch1 points to scratch buffer(of type q15_t) of size max(srcALen, srcBLen) + 2*min(srcALen, srcBLen) - 2. |
mbed_official | 3:7a284390b0ce | 3069 | * @param[in] *pScratch2 points to scratch buffer (of type q15_t) of size min(srcALen, srcBLen). |
mbed_official | 3:7a284390b0ce | 3070 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 3071 | */ |
emilmont | 1:fdd22bb7aa52 | 3072 | |
emilmont | 1:fdd22bb7aa52 | 3073 | void arm_conv_opt_q7( |
emilmont | 1:fdd22bb7aa52 | 3074 | q7_t * pSrcA, |
emilmont | 1:fdd22bb7aa52 | 3075 | uint32_t srcALen, |
emilmont | 1:fdd22bb7aa52 | 3076 | q7_t * pSrcB, |
emilmont | 1:fdd22bb7aa52 | 3077 | uint32_t srcBLen, |
emilmont | 1:fdd22bb7aa52 | 3078 | q7_t * pDst, |
emilmont | 1:fdd22bb7aa52 | 3079 | q15_t * pScratch1, |
emilmont | 1:fdd22bb7aa52 | 3080 | q15_t * pScratch2); |
emilmont | 1:fdd22bb7aa52 | 3081 | |
emilmont | 1:fdd22bb7aa52 | 3082 | |
emilmont | 1:fdd22bb7aa52 | 3083 | |
emilmont | 1:fdd22bb7aa52 | 3084 | /** |
emilmont | 1:fdd22bb7aa52 | 3085 | * @brief Convolution of Q7 sequences. |
emilmont | 1:fdd22bb7aa52 | 3086 | * @param[in] *pSrcA points to the first input sequence. |
emilmont | 1:fdd22bb7aa52 | 3087 | * @param[in] srcALen length of the first input sequence. |
emilmont | 1:fdd22bb7aa52 | 3088 | * @param[in] *pSrcB points to the second input sequence. |
emilmont | 1:fdd22bb7aa52 | 3089 | * @param[in] srcBLen length of the second input sequence. |
emilmont | 1:fdd22bb7aa52 | 3090 | * @param[out] *pDst points to the block of output data Length srcALen+srcBLen-1. |
emilmont | 1:fdd22bb7aa52 | 3091 | * @return none. |
emilmont | 1:fdd22bb7aa52 | 3092 | */ |
emilmont | 1:fdd22bb7aa52 | 3093 | |
emilmont | 1:fdd22bb7aa52 | 3094 | void arm_conv_q7( |
emilmont | 1:fdd22bb7aa52 | 3095 | q7_t * pSrcA, |
emilmont | 1:fdd22bb7aa52 | 3096 | uint32_t srcALen, |
emilmont | 1:fdd22bb7aa52 | 3097 | q7_t * pSrcB, |
emilmont | 1:fdd22bb7aa52 | 3098 | uint32_t srcBLen, |
emilmont | 1:fdd22bb7aa52 | 3099 | q7_t * pDst); |
emilmont | 1:fdd22bb7aa52 | 3100 | |
emilmont | 1:fdd22bb7aa52 | 3101 | |
emilmont | 1:fdd22bb7aa52 | 3102 | /** |
emilmont | 1:fdd22bb7aa52 | 3103 | * @brief Partial convolution of floating-point sequences. |
emilmont | 1:fdd22bb7aa52 | 3104 | * @param[in] *pSrcA points to the first input sequence. |
emilmont | 1:fdd22bb7aa52 | 3105 | * @param[in] srcALen length of the first input sequence. |
emilmont | 1:fdd22bb7aa52 | 3106 | * @param[in] *pSrcB points to the second input sequence. |
emilmont | 1:fdd22bb7aa52 | 3107 | * @param[in] srcBLen length of the second input sequence. |
emilmont | 1:fdd22bb7aa52 | 3108 | * @param[out] *pDst points to the block of output data |
emilmont | 1:fdd22bb7aa52 | 3109 | * @param[in] firstIndex is the first output sample to start with. |
emilmont | 1:fdd22bb7aa52 | 3110 | * @param[in] numPoints is the number of output points to be computed. |
emilmont | 1:fdd22bb7aa52 | 3111 | * @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]. |
emilmont | 1:fdd22bb7aa52 | 3112 | */ |
emilmont | 1:fdd22bb7aa52 | 3113 | |
emilmont | 1:fdd22bb7aa52 | 3114 | arm_status arm_conv_partial_f32( |
emilmont | 1:fdd22bb7aa52 | 3115 | float32_t * pSrcA, |
emilmont | 1:fdd22bb7aa52 | 3116 | uint32_t srcALen, |
emilmont | 1:fdd22bb7aa52 | 3117 | float32_t * pSrcB, |
emilmont | 1:fdd22bb7aa52 | 3118 | uint32_t srcBLen, |
emilmont | 1:fdd22bb7aa52 | 3119 | float32_t * pDst, |
emilmont | 1:fdd22bb7aa52 | 3120 | uint32_t firstIndex, |
emilmont | 1:fdd22bb7aa52 | 3121 | uint32_t numPoints); |
emilmont | 1:fdd22bb7aa52 | 3122 | |
mbed_official | 3:7a284390b0ce | 3123 | /** |
mbed_official | 3:7a284390b0ce | 3124 | * @brief Partial convolution of Q15 sequences. |
mbed_official | < |