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