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mbed/TARGET_LPC1768/arm_common_tables.h@0:c88c3b616c00, 2020-03-16 (annotated)

Committer:
IKobayashi
Date:
Mon Mar 16 23:37:42 2020 +0900
Revision:
0:c88c3b616c00
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IKobayashi 0:c88c3b616c00 1 /* ----------------------------------------------------------------------
IKobayashi 0:c88c3b616c00 2 * Copyright (C) 2010-2014 ARM Limited. All rights reserved.
IKobayashi 0:c88c3b616c00 3 *
IKobayashi 0:c88c3b616c00 4 * $Date: 19. March 2015
IKobayashi 0:c88c3b616c00 5 * $Revision: V.1.4.5
IKobayashi 0:c88c3b616c00 6 *
IKobayashi 0:c88c3b616c00 7 * Project: CMSIS DSP Library
IKobayashi 0:c88c3b616c00 8 * Title: arm_common_tables.h
IKobayashi 0:c88c3b616c00 9 *
IKobayashi 0:c88c3b616c00 10 * Description: This file has extern declaration for common tables like Bitreverse, reciprocal etc which are used across different functions
IKobayashi 0:c88c3b616c00 11 *
IKobayashi 0:c88c3b616c00 12 * Target Processor: Cortex-M4/Cortex-M3
IKobayashi 0:c88c3b616c00 13 *
IKobayashi 0:c88c3b616c00 14 * Redistribution and use in source and binary forms, with or without
IKobayashi 0:c88c3b616c00 15 * modification, are permitted provided that the following conditions
IKobayashi 0:c88c3b616c00 16 * are met:
IKobayashi 0:c88c3b616c00 17 * - Redistributions of source code must retain the above copyright
IKobayashi 0:c88c3b616c00 18 * notice, this list of conditions and the following disclaimer.
IKobayashi 0:c88c3b616c00 19 * - Redistributions in binary form must reproduce the above copyright
IKobayashi 0:c88c3b616c00 20 * notice, this list of conditions and the following disclaimer in
IKobayashi 0:c88c3b616c00 21 * the documentation and/or other materials provided with the
IKobayashi 0:c88c3b616c00 22 * distribution.
IKobayashi 0:c88c3b616c00 23 * - Neither the name of ARM LIMITED nor the names of its contributors
IKobayashi 0:c88c3b616c00 24 * may be used to endorse or promote products derived from this
IKobayashi 0:c88c3b616c00 25 * software without specific prior written permission.
IKobayashi 0:c88c3b616c00 26 *
IKobayashi 0:c88c3b616c00 27 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
IKobayashi 0:c88c3b616c00 28 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
IKobayashi 0:c88c3b616c00 29 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
IKobayashi 0:c88c3b616c00 30 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
IKobayashi 0:c88c3b616c00 31 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
IKobayashi 0:c88c3b616c00 32 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
IKobayashi 0:c88c3b616c00 33 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
IKobayashi 0:c88c3b616c00 34 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
IKobayashi 0:c88c3b616c00 35 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
IKobayashi 0:c88c3b616c00 36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
IKobayashi 0:c88c3b616c00 37 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
IKobayashi 0:c88c3b616c00 38 * POSSIBILITY OF SUCH DAMAGE.
IKobayashi 0:c88c3b616c00 39 * -------------------------------------------------------------------- */
IKobayashi 0:c88c3b616c00 40
IKobayashi 0:c88c3b616c00 41 #ifndef _ARM_COMMON_TABLES_H
IKobayashi 0:c88c3b616c00 42 #define _ARM_COMMON_TABLES_H
IKobayashi 0:c88c3b616c00 43
IKobayashi 0:c88c3b616c00 44 #include "arm_math.h"
IKobayashi 0:c88c3b616c00 45
IKobayashi 0:c88c3b616c00 46 extern const uint16_t armBitRevTable[1024];
IKobayashi 0:c88c3b616c00 47 extern const q15_t armRecipTableQ15[64];
IKobayashi 0:c88c3b616c00 48 extern const q31_t armRecipTableQ31[64];
IKobayashi 0:c88c3b616c00 49 //extern const q31_t realCoefAQ31[1024];
IKobayashi 0:c88c3b616c00 50 //extern const q31_t realCoefBQ31[1024];
IKobayashi 0:c88c3b616c00 51 extern const float32_t twiddleCoef_16[32];
IKobayashi 0:c88c3b616c00 52 extern const float32_t twiddleCoef_32[64];
IKobayashi 0:c88c3b616c00 53 extern const float32_t twiddleCoef_64[128];
IKobayashi 0:c88c3b616c00 54 extern const float32_t twiddleCoef_128[256];
IKobayashi 0:c88c3b616c00 55 extern const float32_t twiddleCoef_256[512];
IKobayashi 0:c88c3b616c00 56 extern const float32_t twiddleCoef_512[1024];
IKobayashi 0:c88c3b616c00 57 extern const float32_t twiddleCoef_1024[2048];
IKobayashi 0:c88c3b616c00 58 extern const float32_t twiddleCoef_2048[4096];
IKobayashi 0:c88c3b616c00 59 extern const float32_t twiddleCoef_4096[8192];
IKobayashi 0:c88c3b616c00 60 #define twiddleCoef twiddleCoef_4096
IKobayashi 0:c88c3b616c00 61 extern const q31_t twiddleCoef_16_q31[24];
IKobayashi 0:c88c3b616c00 62 extern const q31_t twiddleCoef_32_q31[48];
IKobayashi 0:c88c3b616c00 63 extern const q31_t twiddleCoef_64_q31[96];
IKobayashi 0:c88c3b616c00 64 extern const q31_t twiddleCoef_128_q31[192];
IKobayashi 0:c88c3b616c00 65 extern const q31_t twiddleCoef_256_q31[384];
IKobayashi 0:c88c3b616c00 66 extern const q31_t twiddleCoef_512_q31[768];
IKobayashi 0:c88c3b616c00 67 extern const q31_t twiddleCoef_1024_q31[1536];
IKobayashi 0:c88c3b616c00 68 extern const q31_t twiddleCoef_2048_q31[3072];
IKobayashi 0:c88c3b616c00 69 extern const q31_t twiddleCoef_4096_q31[6144];
IKobayashi 0:c88c3b616c00 70 extern const q15_t twiddleCoef_16_q15[24];
IKobayashi 0:c88c3b616c00 71 extern const q15_t twiddleCoef_32_q15[48];
IKobayashi 0:c88c3b616c00 72 extern const q15_t twiddleCoef_64_q15[96];
IKobayashi 0:c88c3b616c00 73 extern const q15_t twiddleCoef_128_q15[192];
IKobayashi 0:c88c3b616c00 74 extern const q15_t twiddleCoef_256_q15[384];
IKobayashi 0:c88c3b616c00 75 extern const q15_t twiddleCoef_512_q15[768];
IKobayashi 0:c88c3b616c00 76 extern const q15_t twiddleCoef_1024_q15[1536];
IKobayashi 0:c88c3b616c00 77 extern const q15_t twiddleCoef_2048_q15[3072];
IKobayashi 0:c88c3b616c00 78 extern const q15_t twiddleCoef_4096_q15[6144];
IKobayashi 0:c88c3b616c00 79 extern const float32_t twiddleCoef_rfft_32[32];
IKobayashi 0:c88c3b616c00 80 extern const float32_t twiddleCoef_rfft_64[64];
IKobayashi 0:c88c3b616c00 81 extern const float32_t twiddleCoef_rfft_128[128];
IKobayashi 0:c88c3b616c00 82 extern const float32_t twiddleCoef_rfft_256[256];
IKobayashi 0:c88c3b616c00 83 extern const float32_t twiddleCoef_rfft_512[512];
IKobayashi 0:c88c3b616c00 84 extern const float32_t twiddleCoef_rfft_1024[1024];
IKobayashi 0:c88c3b616c00 85 extern const float32_t twiddleCoef_rfft_2048[2048];
IKobayashi 0:c88c3b616c00 86 extern const float32_t twiddleCoef_rfft_4096[4096];
IKobayashi 0:c88c3b616c00 87
IKobayashi 0:c88c3b616c00 88
IKobayashi 0:c88c3b616c00 89 /* floating-point bit reversal tables */
IKobayashi 0:c88c3b616c00 90 #define ARMBITREVINDEXTABLE__16_TABLE_LENGTH ((uint16_t)20 )
IKobayashi 0:c88c3b616c00 91 #define ARMBITREVINDEXTABLE__32_TABLE_LENGTH ((uint16_t)48 )
IKobayashi 0:c88c3b616c00 92 #define ARMBITREVINDEXTABLE__64_TABLE_LENGTH ((uint16_t)56 )
IKobayashi 0:c88c3b616c00 93 #define ARMBITREVINDEXTABLE_128_TABLE_LENGTH ((uint16_t)208 )
IKobayashi 0:c88c3b616c00 94 #define ARMBITREVINDEXTABLE_256_TABLE_LENGTH ((uint16_t)440 )
IKobayashi 0:c88c3b616c00 95 #define ARMBITREVINDEXTABLE_512_TABLE_LENGTH ((uint16_t)448 )
IKobayashi 0:c88c3b616c00 96 #define ARMBITREVINDEXTABLE1024_TABLE_LENGTH ((uint16_t)1800)
IKobayashi 0:c88c3b616c00 97 #define ARMBITREVINDEXTABLE2048_TABLE_LENGTH ((uint16_t)3808)
IKobayashi 0:c88c3b616c00 98 #define ARMBITREVINDEXTABLE4096_TABLE_LENGTH ((uint16_t)4032)
IKobayashi 0:c88c3b616c00 99
IKobayashi 0:c88c3b616c00 100 extern const uint16_t armBitRevIndexTable16[ARMBITREVINDEXTABLE__16_TABLE_LENGTH];
IKobayashi 0:c88c3b616c00 101 extern const uint16_t armBitRevIndexTable32[ARMBITREVINDEXTABLE__32_TABLE_LENGTH];
IKobayashi 0:c88c3b616c00 102 extern const uint16_t armBitRevIndexTable64[ARMBITREVINDEXTABLE__64_TABLE_LENGTH];
IKobayashi 0:c88c3b616c00 103 extern const uint16_t armBitRevIndexTable128[ARMBITREVINDEXTABLE_128_TABLE_LENGTH];
IKobayashi 0:c88c3b616c00 104 extern const uint16_t armBitRevIndexTable256[ARMBITREVINDEXTABLE_256_TABLE_LENGTH];
IKobayashi 0:c88c3b616c00 105 extern const uint16_t armBitRevIndexTable512[ARMBITREVINDEXTABLE_512_TABLE_LENGTH];
IKobayashi 0:c88c3b616c00 106 extern const uint16_t armBitRevIndexTable1024[ARMBITREVINDEXTABLE1024_TABLE_LENGTH];
IKobayashi 0:c88c3b616c00 107 extern const uint16_t armBitRevIndexTable2048[ARMBITREVINDEXTABLE2048_TABLE_LENGTH];
IKobayashi 0:c88c3b616c00 108 extern const uint16_t armBitRevIndexTable4096[ARMBITREVINDEXTABLE4096_TABLE_LENGTH];
IKobayashi 0:c88c3b616c00 109
IKobayashi 0:c88c3b616c00 110 /* fixed-point bit reversal tables */
IKobayashi 0:c88c3b616c00 111 #define ARMBITREVINDEXTABLE_FIXED___16_TABLE_LENGTH ((uint16_t)12 )
IKobayashi 0:c88c3b616c00 112 #define ARMBITREVINDEXTABLE_FIXED___32_TABLE_LENGTH ((uint16_t)24 )
IKobayashi 0:c88c3b616c00 113 #define ARMBITREVINDEXTABLE_FIXED___64_TABLE_LENGTH ((uint16_t)56 )
IKobayashi 0:c88c3b616c00 114 #define ARMBITREVINDEXTABLE_FIXED__128_TABLE_LENGTH ((uint16_t)112 )
IKobayashi 0:c88c3b616c00 115 #define ARMBITREVINDEXTABLE_FIXED__256_TABLE_LENGTH ((uint16_t)240 )
IKobayashi 0:c88c3b616c00 116 #define ARMBITREVINDEXTABLE_FIXED__512_TABLE_LENGTH ((uint16_t)480 )
IKobayashi 0:c88c3b616c00 117 #define ARMBITREVINDEXTABLE_FIXED_1024_TABLE_LENGTH ((uint16_t)992 )
IKobayashi 0:c88c3b616c00 118 #define ARMBITREVINDEXTABLE_FIXED_2048_TABLE_LENGTH ((uint16_t)1984)
IKobayashi 0:c88c3b616c00 119 #define ARMBITREVINDEXTABLE_FIXED_4096_TABLE_LENGTH ((uint16_t)4032)
IKobayashi 0:c88c3b616c00 120
IKobayashi 0:c88c3b616c00 121 extern const uint16_t armBitRevIndexTable_fixed_16[ARMBITREVINDEXTABLE_FIXED___16_TABLE_LENGTH];
IKobayashi 0:c88c3b616c00 122 extern const uint16_t armBitRevIndexTable_fixed_32[ARMBITREVINDEXTABLE_FIXED___32_TABLE_LENGTH];
IKobayashi 0:c88c3b616c00 123 extern const uint16_t armBitRevIndexTable_fixed_64[ARMBITREVINDEXTABLE_FIXED___64_TABLE_LENGTH];
IKobayashi 0:c88c3b616c00 124 extern const uint16_t armBitRevIndexTable_fixed_128[ARMBITREVINDEXTABLE_FIXED__128_TABLE_LENGTH];
IKobayashi 0:c88c3b616c00 125 extern const uint16_t armBitRevIndexTable_fixed_256[ARMBITREVINDEXTABLE_FIXED__256_TABLE_LENGTH];
IKobayashi 0:c88c3b616c00 126 extern const uint16_t armBitRevIndexTable_fixed_512[ARMBITREVINDEXTABLE_FIXED__512_TABLE_LENGTH];
IKobayashi 0:c88c3b616c00 127 extern const uint16_t armBitRevIndexTable_fixed_1024[ARMBITREVINDEXTABLE_FIXED_1024_TABLE_LENGTH];
IKobayashi 0:c88c3b616c00 128 extern const uint16_t armBitRevIndexTable_fixed_2048[ARMBITREVINDEXTABLE_FIXED_2048_TABLE_LENGTH];
IKobayashi 0:c88c3b616c00 129 extern const uint16_t armBitRevIndexTable_fixed_4096[ARMBITREVINDEXTABLE_FIXED_4096_TABLE_LENGTH];
IKobayashi 0:c88c3b616c00 130
IKobayashi 0:c88c3b616c00 131 /* Tables for Fast Math Sine and Cosine */
IKobayashi 0:c88c3b616c00 132 extern const float32_t sinTable_f32[FAST_MATH_TABLE_SIZE + 1];
IKobayashi 0:c88c3b616c00 133 extern const q31_t sinTable_q31[FAST_MATH_TABLE_SIZE + 1];
IKobayashi 0:c88c3b616c00 134 extern const q15_t sinTable_q15[FAST_MATH_TABLE_SIZE + 1];
IKobayashi 0:c88c3b616c00 135
IKobayashi 0:c88c3b616c00 136 #endif /* ARM_COMMON_TABLES_H */