[136] | 1 | /* ----------------------------------------------------------------------
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| 2 | * Copyright (C) 2010-2013 ARM Limited. All rights reserved.
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| 3 | *
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| 4 | * $Date: 16. October 2013
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| 5 | * $Revision: V1.4.2
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| 6 | *
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| 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 |
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| 41 | #ifndef _ARM_COMMON_TABLES_H
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| 42 | #define _ARM_COMMON_TABLES_H
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| 43 |
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| 44 | #include "arm_math.h"
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| 45 |
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| 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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| 49 | extern const q31_t realCoefAQ31[1024];
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| 50 | extern const q31_t realCoefBQ31[1024];
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| 51 | extern const float32_t twiddleCoef_16[32];
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| 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 twiddleCoefQ31[6144];
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| 62 | extern const q15_t twiddleCoefQ15[6144];
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| 63 | extern const float32_t twiddleCoef_rfft_32[32];
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| 64 | extern const float32_t twiddleCoef_rfft_64[64];
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| 65 | extern const float32_t twiddleCoef_rfft_128[128];
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| 66 | extern const float32_t twiddleCoef_rfft_256[256];
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| 67 | extern const float32_t twiddleCoef_rfft_512[512];
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| 68 | extern const float32_t twiddleCoef_rfft_1024[1024];
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| 69 | extern const float32_t twiddleCoef_rfft_2048[2048];
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| 70 | extern const float32_t twiddleCoef_rfft_4096[4096];
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| 71 |
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| 72 |
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| 73 | #define ARMBITREVINDEXTABLE__16_TABLE_LENGTH ((uint16_t)20 )
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| 74 | #define ARMBITREVINDEXTABLE__32_TABLE_LENGTH ((uint16_t)48 )
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| 75 | #define ARMBITREVINDEXTABLE__64_TABLE_LENGTH ((uint16_t)56 )
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| 76 | #define ARMBITREVINDEXTABLE_128_TABLE_LENGTH ((uint16_t)208 )
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| 77 | #define ARMBITREVINDEXTABLE_256_TABLE_LENGTH ((uint16_t)440 )
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| 78 | #define ARMBITREVINDEXTABLE_512_TABLE_LENGTH ((uint16_t)448 )
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| 79 | #define ARMBITREVINDEXTABLE1024_TABLE_LENGTH ((uint16_t)1800)
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| 80 | #define ARMBITREVINDEXTABLE2048_TABLE_LENGTH ((uint16_t)3808)
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| 81 | #define ARMBITREVINDEXTABLE4096_TABLE_LENGTH ((uint16_t)4032)
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| 82 |
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| 83 | extern const uint16_t armBitRevIndexTable16[ARMBITREVINDEXTABLE__16_TABLE_LENGTH];
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| 84 | extern const uint16_t armBitRevIndexTable32[ARMBITREVINDEXTABLE__32_TABLE_LENGTH];
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| 85 | extern const uint16_t armBitRevIndexTable64[ARMBITREVINDEXTABLE__64_TABLE_LENGTH];
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| 86 | extern const uint16_t armBitRevIndexTable128[ARMBITREVINDEXTABLE_128_TABLE_LENGTH];
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| 87 | extern const uint16_t armBitRevIndexTable256[ARMBITREVINDEXTABLE_256_TABLE_LENGTH];
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| 88 | extern const uint16_t armBitRevIndexTable512[ARMBITREVINDEXTABLE_512_TABLE_LENGTH];
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| 89 | extern const uint16_t armBitRevIndexTable1024[ARMBITREVINDEXTABLE1024_TABLE_LENGTH];
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| 90 | extern const uint16_t armBitRevIndexTable2048[ARMBITREVINDEXTABLE2048_TABLE_LENGTH];
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| 91 | extern const uint16_t armBitRevIndexTable4096[ARMBITREVINDEXTABLE4096_TABLE_LENGTH];
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| 92 |
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| 93 | /* Tables for Fast Math Sine and Cosine */
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| 94 | extern const float32_t sinTable_f32[FAST_MATH_TABLE_SIZE + 1];
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| 95 | extern const q31_t sinTable_q31[FAST_MATH_TABLE_SIZE + 1];
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| 96 | extern const q15_t sinTable_q15[FAST_MATH_TABLE_SIZE + 1];
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| 97 |
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| 98 | #endif /* ARM_COMMON_TABLES_H */
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