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Tue Nov 08 18:27:11 2016 +0000
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switches 0:0e018d759a2a 1 /* ----------------------------------------------------------------------
switches 0:0e018d759a2a 2 * Copyright (C) 2010-2014 ARM Limited. All rights reserved.
switches 0:0e018d759a2a 3 *
switches 0:0e018d759a2a 4 * $Date: 19. March 2015
switches 0:0e018d759a2a 5 * $Revision: V.1.4.5
switches 0:0e018d759a2a 6 *
switches 0:0e018d759a2a 7 * Project: CMSIS DSP Library
switches 0:0e018d759a2a 8 * Title: arm_common_tables.h
switches 0:0e018d759a2a 9 *
switches 0:0e018d759a2a 10 * Description: This file has extern declaration for common tables like Bitreverse, reciprocal etc which are used across different functions
switches 0:0e018d759a2a 11 *
switches 0:0e018d759a2a 12 * Target Processor: Cortex-M4/Cortex-M3
switches 0:0e018d759a2a 13 *
switches 0:0e018d759a2a 14 * Redistribution and use in source and binary forms, with or without
switches 0:0e018d759a2a 15 * modification, are permitted provided that the following conditions
switches 0:0e018d759a2a 16 * are met:
switches 0:0e018d759a2a 17 * - Redistributions of source code must retain the above copyright
switches 0:0e018d759a2a 18 * notice, this list of conditions and the following disclaimer.
switches 0:0e018d759a2a 19 * - Redistributions in binary form must reproduce the above copyright
switches 0:0e018d759a2a 20 * notice, this list of conditions and the following disclaimer in
switches 0:0e018d759a2a 21 * the documentation and/or other materials provided with the
switches 0:0e018d759a2a 22 * distribution.
switches 0:0e018d759a2a 23 * - Neither the name of ARM LIMITED nor the names of its contributors
switches 0:0e018d759a2a 24 * may be used to endorse or promote products derived from this
switches 0:0e018d759a2a 25 * software without specific prior written permission.
switches 0:0e018d759a2a 26 *
switches 0:0e018d759a2a 27 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
switches 0:0e018d759a2a 28 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
switches 0:0e018d759a2a 29 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
switches 0:0e018d759a2a 30 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
switches 0:0e018d759a2a 31 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
switches 0:0e018d759a2a 32 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
switches 0:0e018d759a2a 33 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
switches 0:0e018d759a2a 34 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
switches 0:0e018d759a2a 35 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
switches 0:0e018d759a2a 36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
switches 0:0e018d759a2a 37 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
switches 0:0e018d759a2a 38 * POSSIBILITY OF SUCH DAMAGE.
switches 0:0e018d759a2a 39 * -------------------------------------------------------------------- */
switches 0:0e018d759a2a 40
switches 0:0e018d759a2a 41 #ifndef _ARM_COMMON_TABLES_H
switches 0:0e018d759a2a 42 #define _ARM_COMMON_TABLES_H
switches 0:0e018d759a2a 43
switches 0:0e018d759a2a 44 #include "arm_math.h"
switches 0:0e018d759a2a 45
switches 0:0e018d759a2a 46 extern const uint16_t armBitRevTable[1024];
switches 0:0e018d759a2a 47 extern const q15_t armRecipTableQ15[64];
switches 0:0e018d759a2a 48 extern const q31_t armRecipTableQ31[64];
switches 0:0e018d759a2a 49 //extern const q31_t realCoefAQ31[1024];
switches 0:0e018d759a2a 50 //extern const q31_t realCoefBQ31[1024];
switches 0:0e018d759a2a 51 extern const float32_t twiddleCoef_16[32];
switches 0:0e018d759a2a 52 extern const float32_t twiddleCoef_32[64];
switches 0:0e018d759a2a 53 extern const float32_t twiddleCoef_64[128];
switches 0:0e018d759a2a 54 extern const float32_t twiddleCoef_128[256];
switches 0:0e018d759a2a 55 extern const float32_t twiddleCoef_256[512];
switches 0:0e018d759a2a 56 extern const float32_t twiddleCoef_512[1024];
switches 0:0e018d759a2a 57 extern const float32_t twiddleCoef_1024[2048];
switches 0:0e018d759a2a 58 extern const float32_t twiddleCoef_2048[4096];
switches 0:0e018d759a2a 59 extern const float32_t twiddleCoef_4096[8192];
switches 0:0e018d759a2a 60 #define twiddleCoef twiddleCoef_4096
switches 0:0e018d759a2a 61 extern const q31_t twiddleCoef_16_q31[24];
switches 0:0e018d759a2a 62 extern const q31_t twiddleCoef_32_q31[48];
switches 0:0e018d759a2a 63 extern const q31_t twiddleCoef_64_q31[96];
switches 0:0e018d759a2a 64 extern const q31_t twiddleCoef_128_q31[192];
switches 0:0e018d759a2a 65 extern const q31_t twiddleCoef_256_q31[384];
switches 0:0e018d759a2a 66 extern const q31_t twiddleCoef_512_q31[768];
switches 0:0e018d759a2a 67 extern const q31_t twiddleCoef_1024_q31[1536];
switches 0:0e018d759a2a 68 extern const q31_t twiddleCoef_2048_q31[3072];
switches 0:0e018d759a2a 69 extern const q31_t twiddleCoef_4096_q31[6144];
switches 0:0e018d759a2a 70 extern const q15_t twiddleCoef_16_q15[24];
switches 0:0e018d759a2a 71 extern const q15_t twiddleCoef_32_q15[48];
switches 0:0e018d759a2a 72 extern const q15_t twiddleCoef_64_q15[96];
switches 0:0e018d759a2a 73 extern const q15_t twiddleCoef_128_q15[192];
switches 0:0e018d759a2a 74 extern const q15_t twiddleCoef_256_q15[384];
switches 0:0e018d759a2a 75 extern const q15_t twiddleCoef_512_q15[768];
switches 0:0e018d759a2a 76 extern const q15_t twiddleCoef_1024_q15[1536];
switches 0:0e018d759a2a 77 extern const q15_t twiddleCoef_2048_q15[3072];
switches 0:0e018d759a2a 78 extern const q15_t twiddleCoef_4096_q15[6144];
switches 0:0e018d759a2a 79 extern const float32_t twiddleCoef_rfft_32[32];
switches 0:0e018d759a2a 80 extern const float32_t twiddleCoef_rfft_64[64];
switches 0:0e018d759a2a 81 extern const float32_t twiddleCoef_rfft_128[128];
switches 0:0e018d759a2a 82 extern const float32_t twiddleCoef_rfft_256[256];
switches 0:0e018d759a2a 83 extern const float32_t twiddleCoef_rfft_512[512];
switches 0:0e018d759a2a 84 extern const float32_t twiddleCoef_rfft_1024[1024];
switches 0:0e018d759a2a 85 extern const float32_t twiddleCoef_rfft_2048[2048];
switches 0:0e018d759a2a 86 extern const float32_t twiddleCoef_rfft_4096[4096];
switches 0:0e018d759a2a 87
switches 0:0e018d759a2a 88
switches 0:0e018d759a2a 89 /* floating-point bit reversal tables */
switches 0:0e018d759a2a 90 #define ARMBITREVINDEXTABLE__16_TABLE_LENGTH ((uint16_t)20 )
switches 0:0e018d759a2a 91 #define ARMBITREVINDEXTABLE__32_TABLE_LENGTH ((uint16_t)48 )
switches 0:0e018d759a2a 92 #define ARMBITREVINDEXTABLE__64_TABLE_LENGTH ((uint16_t)56 )
switches 0:0e018d759a2a 93 #define ARMBITREVINDEXTABLE_128_TABLE_LENGTH ((uint16_t)208 )
switches 0:0e018d759a2a 94 #define ARMBITREVINDEXTABLE_256_TABLE_LENGTH ((uint16_t)440 )
switches 0:0e018d759a2a 95 #define ARMBITREVINDEXTABLE_512_TABLE_LENGTH ((uint16_t)448 )
switches 0:0e018d759a2a 96 #define ARMBITREVINDEXTABLE1024_TABLE_LENGTH ((uint16_t)1800)
switches 0:0e018d759a2a 97 #define ARMBITREVINDEXTABLE2048_TABLE_LENGTH ((uint16_t)3808)
switches 0:0e018d759a2a 98 #define ARMBITREVINDEXTABLE4096_TABLE_LENGTH ((uint16_t)4032)
switches 0:0e018d759a2a 99
switches 0:0e018d759a2a 100 extern const uint16_t armBitRevIndexTable16[ARMBITREVINDEXTABLE__16_TABLE_LENGTH];
switches 0:0e018d759a2a 101 extern const uint16_t armBitRevIndexTable32[ARMBITREVINDEXTABLE__32_TABLE_LENGTH];
switches 0:0e018d759a2a 102 extern const uint16_t armBitRevIndexTable64[ARMBITREVINDEXTABLE__64_TABLE_LENGTH];
switches 0:0e018d759a2a 103 extern const uint16_t armBitRevIndexTable128[ARMBITREVINDEXTABLE_128_TABLE_LENGTH];
switches 0:0e018d759a2a 104 extern const uint16_t armBitRevIndexTable256[ARMBITREVINDEXTABLE_256_TABLE_LENGTH];
switches 0:0e018d759a2a 105 extern const uint16_t armBitRevIndexTable512[ARMBITREVINDEXTABLE_512_TABLE_LENGTH];
switches 0:0e018d759a2a 106 extern const uint16_t armBitRevIndexTable1024[ARMBITREVINDEXTABLE1024_TABLE_LENGTH];
switches 0:0e018d759a2a 107 extern const uint16_t armBitRevIndexTable2048[ARMBITREVINDEXTABLE2048_TABLE_LENGTH];
switches 0:0e018d759a2a 108 extern const uint16_t armBitRevIndexTable4096[ARMBITREVINDEXTABLE4096_TABLE_LENGTH];
switches 0:0e018d759a2a 109
switches 0:0e018d759a2a 110 /* fixed-point bit reversal tables */
switches 0:0e018d759a2a 111 #define ARMBITREVINDEXTABLE_FIXED___16_TABLE_LENGTH ((uint16_t)12 )
switches 0:0e018d759a2a 112 #define ARMBITREVINDEXTABLE_FIXED___32_TABLE_LENGTH ((uint16_t)24 )
switches 0:0e018d759a2a 113 #define ARMBITREVINDEXTABLE_FIXED___64_TABLE_LENGTH ((uint16_t)56 )
switches 0:0e018d759a2a 114 #define ARMBITREVINDEXTABLE_FIXED__128_TABLE_LENGTH ((uint16_t)112 )
switches 0:0e018d759a2a 115 #define ARMBITREVINDEXTABLE_FIXED__256_TABLE_LENGTH ((uint16_t)240 )
switches 0:0e018d759a2a 116 #define ARMBITREVINDEXTABLE_FIXED__512_TABLE_LENGTH ((uint16_t)480 )
switches 0:0e018d759a2a 117 #define ARMBITREVINDEXTABLE_FIXED_1024_TABLE_LENGTH ((uint16_t)992 )
switches 0:0e018d759a2a 118 #define ARMBITREVINDEXTABLE_FIXED_2048_TABLE_LENGTH ((uint16_t)1984)
switches 0:0e018d759a2a 119 #define ARMBITREVINDEXTABLE_FIXED_4096_TABLE_LENGTH ((uint16_t)4032)
switches 0:0e018d759a2a 120
switches 0:0e018d759a2a 121 extern const uint16_t armBitRevIndexTable_fixed_16[ARMBITREVINDEXTABLE_FIXED___16_TABLE_LENGTH];
switches 0:0e018d759a2a 122 extern const uint16_t armBitRevIndexTable_fixed_32[ARMBITREVINDEXTABLE_FIXED___32_TABLE_LENGTH];
switches 0:0e018d759a2a 123 extern const uint16_t armBitRevIndexTable_fixed_64[ARMBITREVINDEXTABLE_FIXED___64_TABLE_LENGTH];
switches 0:0e018d759a2a 124 extern const uint16_t armBitRevIndexTable_fixed_128[ARMBITREVINDEXTABLE_FIXED__128_TABLE_LENGTH];
switches 0:0e018d759a2a 125 extern const uint16_t armBitRevIndexTable_fixed_256[ARMBITREVINDEXTABLE_FIXED__256_TABLE_LENGTH];
switches 0:0e018d759a2a 126 extern const uint16_t armBitRevIndexTable_fixed_512[ARMBITREVINDEXTABLE_FIXED__512_TABLE_LENGTH];
switches 0:0e018d759a2a 127 extern const uint16_t armBitRevIndexTable_fixed_1024[ARMBITREVINDEXTABLE_FIXED_1024_TABLE_LENGTH];
switches 0:0e018d759a2a 128 extern const uint16_t armBitRevIndexTable_fixed_2048[ARMBITREVINDEXTABLE_FIXED_2048_TABLE_LENGTH];
switches 0:0e018d759a2a 129 extern const uint16_t armBitRevIndexTable_fixed_4096[ARMBITREVINDEXTABLE_FIXED_4096_TABLE_LENGTH];
switches 0:0e018d759a2a 130
switches 0:0e018d759a2a 131 /* Tables for Fast Math Sine and Cosine */
switches 0:0e018d759a2a 132 extern const float32_t sinTable_f32[FAST_MATH_TABLE_SIZE + 1];
switches 0:0e018d759a2a 133 extern const q31_t sinTable_q31[FAST_MATH_TABLE_SIZE + 1];
switches 0:0e018d759a2a 134 extern const q15_t sinTable_q15[FAST_MATH_TABLE_SIZE + 1];
switches 0:0e018d759a2a 135
switches 0:0e018d759a2a 136 #endif /* ARM_COMMON_TABLES_H */