Lee Kai Xuan / mbed-os

mbed-os

Fork of mbed-os by erkin yucel

cmsis/arm_common_tables.h@1:3deb71413561, 2017-07-20 (annotated)

Committer:
xuaner
Date:
Thu Jul 20 14:26:57 2017 +0000
Revision:
1:3deb71413561
Parent:
0:f269e3021894 
mbed_os

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elessair 0:f269e3021894 1 /* ----------------------------------------------------------------------
elessair 0:f269e3021894 2 * Copyright (C) 2010-2014 ARM Limited. All rights reserved.
elessair 0:f269e3021894 3 *
elessair 0:f269e3021894 4 * $Date: 19. March 2015
elessair 0:f269e3021894 5 * $Revision: V.1.4.5
elessair 0:f269e3021894 6 *
elessair 0:f269e3021894 7 * Project: CMSIS DSP Library
elessair 0:f269e3021894 8 * Title: arm_common_tables.h
elessair 0:f269e3021894 9 *
elessair 0:f269e3021894 10 * Description: This file has extern declaration for common tables like Bitreverse, reciprocal etc which are used across different functions
elessair 0:f269e3021894 11 *
elessair 0:f269e3021894 12 * Target Processor: Cortex-M4/Cortex-M3
elessair 0:f269e3021894 13 *
elessair 0:f269e3021894 14 * Redistribution and use in source and binary forms, with or without
elessair 0:f269e3021894 15 * modification, are permitted provided that the following conditions
elessair 0:f269e3021894 16 * are met:
elessair 0:f269e3021894 17 * - Redistributions of source code must retain the above copyright
elessair 0:f269e3021894 18 * notice, this list of conditions and the following disclaimer.
elessair 0:f269e3021894 19 * - Redistributions in binary form must reproduce the above copyright
elessair 0:f269e3021894 20 * notice, this list of conditions and the following disclaimer in
elessair 0:f269e3021894 21 * the documentation and/or other materials provided with the
elessair 0:f269e3021894 22 * distribution.
elessair 0:f269e3021894 23 * - Neither the name of ARM LIMITED nor the names of its contributors
elessair 0:f269e3021894 24 * may be used to endorse or promote products derived from this
elessair 0:f269e3021894 25 * software without specific prior written permission.
elessair 0:f269e3021894 26 *
elessair 0:f269e3021894 27 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
elessair 0:f269e3021894 28 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
elessair 0:f269e3021894 29 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
elessair 0:f269e3021894 30 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
elessair 0:f269e3021894 31 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
elessair 0:f269e3021894 32 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
elessair 0:f269e3021894 33 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
elessair 0:f269e3021894 34 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
elessair 0:f269e3021894 35 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
elessair 0:f269e3021894 36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
elessair 0:f269e3021894 37 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
elessair 0:f269e3021894 38 * POSSIBILITY OF SUCH DAMAGE.
elessair 0:f269e3021894 39 * -------------------------------------------------------------------- */
elessair 0:f269e3021894 40
elessair 0:f269e3021894 41 #ifndef _ARM_COMMON_TABLES_H
elessair 0:f269e3021894 42 #define _ARM_COMMON_TABLES_H
elessair 0:f269e3021894 43
elessair 0:f269e3021894 44 #include "arm_math.h"
elessair 0:f269e3021894 45
elessair 0:f269e3021894 46 extern const uint16_t armBitRevTable[1024];
elessair 0:f269e3021894 47 extern const q15_t armRecipTableQ15[64];
elessair 0:f269e3021894 48 extern const q31_t armRecipTableQ31[64];
elessair 0:f269e3021894 49 //extern const q31_t realCoefAQ31[1024];
elessair 0:f269e3021894 50 //extern const q31_t realCoefBQ31[1024];
elessair 0:f269e3021894 51 extern const float32_t twiddleCoef_16[32];
elessair 0:f269e3021894 52 extern const float32_t twiddleCoef_32[64];
elessair 0:f269e3021894 53 extern const float32_t twiddleCoef_64[128];
elessair 0:f269e3021894 54 extern const float32_t twiddleCoef_128[256];
elessair 0:f269e3021894 55 extern const float32_t twiddleCoef_256[512];
elessair 0:f269e3021894 56 extern const float32_t twiddleCoef_512[1024];
elessair 0:f269e3021894 57 extern const float32_t twiddleCoef_1024[2048];
elessair 0:f269e3021894 58 extern const float32_t twiddleCoef_2048[4096];
elessair 0:f269e3021894 59 extern const float32_t twiddleCoef_4096[8192];
elessair 0:f269e3021894 60 #define twiddleCoef twiddleCoef_4096
elessair 0:f269e3021894 61 extern const q31_t twiddleCoef_16_q31[24];
elessair 0:f269e3021894 62 extern const q31_t twiddleCoef_32_q31[48];
elessair 0:f269e3021894 63 extern const q31_t twiddleCoef_64_q31[96];
elessair 0:f269e3021894 64 extern const q31_t twiddleCoef_128_q31[192];
elessair 0:f269e3021894 65 extern const q31_t twiddleCoef_256_q31[384];
elessair 0:f269e3021894 66 extern const q31_t twiddleCoef_512_q31[768];
elessair 0:f269e3021894 67 extern const q31_t twiddleCoef_1024_q31[1536];
elessair 0:f269e3021894 68 extern const q31_t twiddleCoef_2048_q31[3072];
elessair 0:f269e3021894 69 extern const q31_t twiddleCoef_4096_q31[6144];
elessair 0:f269e3021894 70 extern const q15_t twiddleCoef_16_q15[24];
elessair 0:f269e3021894 71 extern const q15_t twiddleCoef_32_q15[48];
elessair 0:f269e3021894 72 extern const q15_t twiddleCoef_64_q15[96];
elessair 0:f269e3021894 73 extern const q15_t twiddleCoef_128_q15[192];
elessair 0:f269e3021894 74 extern const q15_t twiddleCoef_256_q15[384];
elessair 0:f269e3021894 75 extern const q15_t twiddleCoef_512_q15[768];
elessair 0:f269e3021894 76 extern const q15_t twiddleCoef_1024_q15[1536];
elessair 0:f269e3021894 77 extern const q15_t twiddleCoef_2048_q15[3072];
elessair 0:f269e3021894 78 extern const q15_t twiddleCoef_4096_q15[6144];
elessair 0:f269e3021894 79 extern const float32_t twiddleCoef_rfft_32[32];
elessair 0:f269e3021894 80 extern const float32_t twiddleCoef_rfft_64[64];
elessair 0:f269e3021894 81 extern const float32_t twiddleCoef_rfft_128[128];
elessair 0:f269e3021894 82 extern const float32_t twiddleCoef_rfft_256[256];
elessair 0:f269e3021894 83 extern const float32_t twiddleCoef_rfft_512[512];
elessair 0:f269e3021894 84 extern const float32_t twiddleCoef_rfft_1024[1024];
elessair 0:f269e3021894 85 extern const float32_t twiddleCoef_rfft_2048[2048];
elessair 0:f269e3021894 86 extern const float32_t twiddleCoef_rfft_4096[4096];
elessair 0:f269e3021894 87
elessair 0:f269e3021894 88
elessair 0:f269e3021894 89 /* floating-point bit reversal tables */
elessair 0:f269e3021894 90 #define ARMBITREVINDEXTABLE__16_TABLE_LENGTH ((uint16_t)20 )
elessair 0:f269e3021894 91 #define ARMBITREVINDEXTABLE__32_TABLE_LENGTH ((uint16_t)48 )
elessair 0:f269e3021894 92 #define ARMBITREVINDEXTABLE__64_TABLE_LENGTH ((uint16_t)56 )
elessair 0:f269e3021894 93 #define ARMBITREVINDEXTABLE_128_TABLE_LENGTH ((uint16_t)208 )
elessair 0:f269e3021894 94 #define ARMBITREVINDEXTABLE_256_TABLE_LENGTH ((uint16_t)440 )
elessair 0:f269e3021894 95 #define ARMBITREVINDEXTABLE_512_TABLE_LENGTH ((uint16_t)448 )
elessair 0:f269e3021894 96 #define ARMBITREVINDEXTABLE1024_TABLE_LENGTH ((uint16_t)1800)
elessair 0:f269e3021894 97 #define ARMBITREVINDEXTABLE2048_TABLE_LENGTH ((uint16_t)3808)
elessair 0:f269e3021894 98 #define ARMBITREVINDEXTABLE4096_TABLE_LENGTH ((uint16_t)4032)
elessair 0:f269e3021894 99
elessair 0:f269e3021894 100 extern const uint16_t armBitRevIndexTable16[ARMBITREVINDEXTABLE__16_TABLE_LENGTH];
elessair 0:f269e3021894 101 extern const uint16_t armBitRevIndexTable32[ARMBITREVINDEXTABLE__32_TABLE_LENGTH];
elessair 0:f269e3021894 102 extern const uint16_t armBitRevIndexTable64[ARMBITREVINDEXTABLE__64_TABLE_LENGTH];
elessair 0:f269e3021894 103 extern const uint16_t armBitRevIndexTable128[ARMBITREVINDEXTABLE_128_TABLE_LENGTH];
elessair 0:f269e3021894 104 extern const uint16_t armBitRevIndexTable256[ARMBITREVINDEXTABLE_256_TABLE_LENGTH];
elessair 0:f269e3021894 105 extern const uint16_t armBitRevIndexTable512[ARMBITREVINDEXTABLE_512_TABLE_LENGTH];
elessair 0:f269e3021894 106 extern const uint16_t armBitRevIndexTable1024[ARMBITREVINDEXTABLE1024_TABLE_LENGTH];
elessair 0:f269e3021894 107 extern const uint16_t armBitRevIndexTable2048[ARMBITREVINDEXTABLE2048_TABLE_LENGTH];
elessair 0:f269e3021894 108 extern const uint16_t armBitRevIndexTable4096[ARMBITREVINDEXTABLE4096_TABLE_LENGTH];
elessair 0:f269e3021894 109
elessair 0:f269e3021894 110 /* fixed-point bit reversal tables */
elessair 0:f269e3021894 111 #define ARMBITREVINDEXTABLE_FIXED___16_TABLE_LENGTH ((uint16_t)12 )
elessair 0:f269e3021894 112 #define ARMBITREVINDEXTABLE_FIXED___32_TABLE_LENGTH ((uint16_t)24 )
elessair 0:f269e3021894 113 #define ARMBITREVINDEXTABLE_FIXED___64_TABLE_LENGTH ((uint16_t)56 )
elessair 0:f269e3021894 114 #define ARMBITREVINDEXTABLE_FIXED__128_TABLE_LENGTH ((uint16_t)112 )
elessair 0:f269e3021894 115 #define ARMBITREVINDEXTABLE_FIXED__256_TABLE_LENGTH ((uint16_t)240 )
elessair 0:f269e3021894 116 #define ARMBITREVINDEXTABLE_FIXED__512_TABLE_LENGTH ((uint16_t)480 )
elessair 0:f269e3021894 117 #define ARMBITREVINDEXTABLE_FIXED_1024_TABLE_LENGTH ((uint16_t)992 )
elessair 0:f269e3021894 118 #define ARMBITREVINDEXTABLE_FIXED_2048_TABLE_LENGTH ((uint16_t)1984)
elessair 0:f269e3021894 119 #define ARMBITREVINDEXTABLE_FIXED_4096_TABLE_LENGTH ((uint16_t)4032)
elessair 0:f269e3021894 120
elessair 0:f269e3021894 121 extern const uint16_t armBitRevIndexTable_fixed_16[ARMBITREVINDEXTABLE_FIXED___16_TABLE_LENGTH];
elessair 0:f269e3021894 122 extern const uint16_t armBitRevIndexTable_fixed_32[ARMBITREVINDEXTABLE_FIXED___32_TABLE_LENGTH];
elessair 0:f269e3021894 123 extern const uint16_t armBitRevIndexTable_fixed_64[ARMBITREVINDEXTABLE_FIXED___64_TABLE_LENGTH];
elessair 0:f269e3021894 124 extern const uint16_t armBitRevIndexTable_fixed_128[ARMBITREVINDEXTABLE_FIXED__128_TABLE_LENGTH];
elessair 0:f269e3021894 125 extern const uint16_t armBitRevIndexTable_fixed_256[ARMBITREVINDEXTABLE_FIXED__256_TABLE_LENGTH];
elessair 0:f269e3021894 126 extern const uint16_t armBitRevIndexTable_fixed_512[ARMBITREVINDEXTABLE_FIXED__512_TABLE_LENGTH];
elessair 0:f269e3021894 127 extern const uint16_t armBitRevIndexTable_fixed_1024[ARMBITREVINDEXTABLE_FIXED_1024_TABLE_LENGTH];
elessair 0:f269e3021894 128 extern const uint16_t armBitRevIndexTable_fixed_2048[ARMBITREVINDEXTABLE_FIXED_2048_TABLE_LENGTH];
elessair 0:f269e3021894 129 extern const uint16_t armBitRevIndexTable_fixed_4096[ARMBITREVINDEXTABLE_FIXED_4096_TABLE_LENGTH];
elessair 0:f269e3021894 130
elessair 0:f269e3021894 131 /* Tables for Fast Math Sine and Cosine */
elessair 0:f269e3021894 132 extern const float32_t sinTable_f32[FAST_MATH_TABLE_SIZE + 1];
elessair 0:f269e3021894 133 extern const q31_t sinTable_q31[FAST_MATH_TABLE_SIZE + 1];
elessair 0:f269e3021894 134 extern const q15_t sinTable_q15[FAST_MATH_TABLE_SIZE + 1];
elessair 0:f269e3021894 135
elessair 0:f269e3021894 136 #endif /* ARM_COMMON_TABLES_H */