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TARGET_LPC1768/arm_common_tables.h@121:672067c3ada4, 2016-04-14 (annotated)

Committer:
elijahorr
Date:
Thu Apr 14 07:28:54 2016 +0000
Revision:
121:672067c3ada4
Parent:
110:165afa46840b 
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Kojto 110:165afa46840b 1 /* ----------------------------------------------------------------------
Kojto 110:165afa46840b 2 * Copyright (C) 2010-2014 ARM Limited. All rights reserved.
Kojto 110:165afa46840b 3 *
Kojto 110:165afa46840b 4 * $Date: 19. March 2015
Kojto 110:165afa46840b 5 * $Revision: V.1.4.5
Kojto 110:165afa46840b 6 *
Kojto 110:165afa46840b 7 * Project: CMSIS DSP Library
Kojto 110:165afa46840b 8 * Title: arm_common_tables.h
Kojto 110:165afa46840b 9 *
Kojto 110:165afa46840b 10 * Description: This file has extern declaration for common tables like Bitreverse, reciprocal etc which are used across different functions
Kojto 110:165afa46840b 11 *
Kojto 110:165afa46840b 12 * Target Processor: Cortex-M4/Cortex-M3
Kojto 110:165afa46840b 13 *
Kojto 110:165afa46840b 14 * Redistribution and use in source and binary forms, with or without
Kojto 110:165afa46840b 15 * modification, are permitted provided that the following conditions
Kojto 110:165afa46840b 16 * are met:
Kojto 110:165afa46840b 17 * - Redistributions of source code must retain the above copyright
Kojto 110:165afa46840b 18 * notice, this list of conditions and the following disclaimer.
Kojto 110:165afa46840b 19 * - Redistributions in binary form must reproduce the above copyright
Kojto 110:165afa46840b 20 * notice, this list of conditions and the following disclaimer in
Kojto 110:165afa46840b 21 * the documentation and/or other materials provided with the
Kojto 110:165afa46840b 22 * distribution.
Kojto 110:165afa46840b 23 * - Neither the name of ARM LIMITED nor the names of its contributors
Kojto 110:165afa46840b 24 * may be used to endorse or promote products derived from this
Kojto 110:165afa46840b 25 * software without specific prior written permission.
Kojto 110:165afa46840b 26 *
Kojto 110:165afa46840b 27 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
Kojto 110:165afa46840b 28 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
Kojto 110:165afa46840b 29 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
Kojto 110:165afa46840b 30 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
Kojto 110:165afa46840b 31 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
Kojto 110:165afa46840b 32 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
Kojto 110:165afa46840b 33 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
Kojto 110:165afa46840b 34 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
Kojto 110:165afa46840b 35 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
Kojto 110:165afa46840b 36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
Kojto 110:165afa46840b 37 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
Kojto 110:165afa46840b 38 * POSSIBILITY OF SUCH DAMAGE.
Kojto 110:165afa46840b 39 * -------------------------------------------------------------------- */
Kojto 110:165afa46840b 40
Kojto 110:165afa46840b 41 #ifndef _ARM_COMMON_TABLES_H
Kojto 110:165afa46840b 42 #define _ARM_COMMON_TABLES_H
Kojto 110:165afa46840b 43
Kojto 110:165afa46840b 44 #include "arm_math.h"
Kojto 110:165afa46840b 45
Kojto 110:165afa46840b 46 extern const uint16_t armBitRevTable[1024];
Kojto 110:165afa46840b 47 extern const q15_t armRecipTableQ15[64];
Kojto 110:165afa46840b 48 extern const q31_t armRecipTableQ31[64];
Kojto 110:165afa46840b 49 //extern const q31_t realCoefAQ31[1024];
Kojto 110:165afa46840b 50 //extern const q31_t realCoefBQ31[1024];
Kojto 110:165afa46840b 51 extern const float32_t twiddleCoef_16[32];
Kojto 110:165afa46840b 52 extern const float32_t twiddleCoef_32[64];
Kojto 110:165afa46840b 53 extern const float32_t twiddleCoef_64[128];
Kojto 110:165afa46840b 54 extern const float32_t twiddleCoef_128[256];
Kojto 110:165afa46840b 55 extern const float32_t twiddleCoef_256[512];
Kojto 110:165afa46840b 56 extern const float32_t twiddleCoef_512[1024];
Kojto 110:165afa46840b 57 extern const float32_t twiddleCoef_1024[2048];
Kojto 110:165afa46840b 58 extern const float32_t twiddleCoef_2048[4096];
Kojto 110:165afa46840b 59 extern const float32_t twiddleCoef_4096[8192];
Kojto 110:165afa46840b 60 #define twiddleCoef twiddleCoef_4096
Kojto 110:165afa46840b 61 extern const q31_t twiddleCoef_16_q31[24];
Kojto 110:165afa46840b 62 extern const q31_t twiddleCoef_32_q31[48];
Kojto 110:165afa46840b 63 extern const q31_t twiddleCoef_64_q31[96];
Kojto 110:165afa46840b 64 extern const q31_t twiddleCoef_128_q31[192];
Kojto 110:165afa46840b 65 extern const q31_t twiddleCoef_256_q31[384];
Kojto 110:165afa46840b 66 extern const q31_t twiddleCoef_512_q31[768];
Kojto 110:165afa46840b 67 extern const q31_t twiddleCoef_1024_q31[1536];
Kojto 110:165afa46840b 68 extern const q31_t twiddleCoef_2048_q31[3072];
Kojto 110:165afa46840b 69 extern const q31_t twiddleCoef_4096_q31[6144];
Kojto 110:165afa46840b 70 extern const q15_t twiddleCoef_16_q15[24];
Kojto 110:165afa46840b 71 extern const q15_t twiddleCoef_32_q15[48];
Kojto 110:165afa46840b 72 extern const q15_t twiddleCoef_64_q15[96];
Kojto 110:165afa46840b 73 extern const q15_t twiddleCoef_128_q15[192];
Kojto 110:165afa46840b 74 extern const q15_t twiddleCoef_256_q15[384];
Kojto 110:165afa46840b 75 extern const q15_t twiddleCoef_512_q15[768];
Kojto 110:165afa46840b 76 extern const q15_t twiddleCoef_1024_q15[1536];
Kojto 110:165afa46840b 77 extern const q15_t twiddleCoef_2048_q15[3072];
Kojto 110:165afa46840b 78 extern const q15_t twiddleCoef_4096_q15[6144];
Kojto 110:165afa46840b 79 extern const float32_t twiddleCoef_rfft_32[32];
Kojto 110:165afa46840b 80 extern const float32_t twiddleCoef_rfft_64[64];
Kojto 110:165afa46840b 81 extern const float32_t twiddleCoef_rfft_128[128];
Kojto 110:165afa46840b 82 extern const float32_t twiddleCoef_rfft_256[256];
Kojto 110:165afa46840b 83 extern const float32_t twiddleCoef_rfft_512[512];
Kojto 110:165afa46840b 84 extern const float32_t twiddleCoef_rfft_1024[1024];
Kojto 110:165afa46840b 85 extern const float32_t twiddleCoef_rfft_2048[2048];
Kojto 110:165afa46840b 86 extern const float32_t twiddleCoef_rfft_4096[4096];
Kojto 110:165afa46840b 87
Kojto 110:165afa46840b 88
Kojto 110:165afa46840b 89 /* floating-point bit reversal tables */
Kojto 110:165afa46840b 90 #define ARMBITREVINDEXTABLE__16_TABLE_LENGTH ((uint16_t)20 )
Kojto 110:165afa46840b 91 #define ARMBITREVINDEXTABLE__32_TABLE_LENGTH ((uint16_t)48 )
Kojto 110:165afa46840b 92 #define ARMBITREVINDEXTABLE__64_TABLE_LENGTH ((uint16_t)56 )
Kojto 110:165afa46840b 93 #define ARMBITREVINDEXTABLE_128_TABLE_LENGTH ((uint16_t)208 )
Kojto 110:165afa46840b 94 #define ARMBITREVINDEXTABLE_256_TABLE_LENGTH ((uint16_t)440 )
Kojto 110:165afa46840b 95 #define ARMBITREVINDEXTABLE_512_TABLE_LENGTH ((uint16_t)448 )
Kojto 110:165afa46840b 96 #define ARMBITREVINDEXTABLE1024_TABLE_LENGTH ((uint16_t)1800)
Kojto 110:165afa46840b 97 #define ARMBITREVINDEXTABLE2048_TABLE_LENGTH ((uint16_t)3808)
Kojto 110:165afa46840b 98 #define ARMBITREVINDEXTABLE4096_TABLE_LENGTH ((uint16_t)4032)
Kojto 110:165afa46840b 99
Kojto 110:165afa46840b 100 extern const uint16_t armBitRevIndexTable16[ARMBITREVINDEXTABLE__16_TABLE_LENGTH];
Kojto 110:165afa46840b 101 extern const uint16_t armBitRevIndexTable32[ARMBITREVINDEXTABLE__32_TABLE_LENGTH];
Kojto 110:165afa46840b 102 extern const uint16_t armBitRevIndexTable64[ARMBITREVINDEXTABLE__64_TABLE_LENGTH];
Kojto 110:165afa46840b 103 extern const uint16_t armBitRevIndexTable128[ARMBITREVINDEXTABLE_128_TABLE_LENGTH];
Kojto 110:165afa46840b 104 extern const uint16_t armBitRevIndexTable256[ARMBITREVINDEXTABLE_256_TABLE_LENGTH];
Kojto 110:165afa46840b 105 extern const uint16_t armBitRevIndexTable512[ARMBITREVINDEXTABLE_512_TABLE_LENGTH];
Kojto 110:165afa46840b 106 extern const uint16_t armBitRevIndexTable1024[ARMBITREVINDEXTABLE1024_TABLE_LENGTH];
Kojto 110:165afa46840b 107 extern const uint16_t armBitRevIndexTable2048[ARMBITREVINDEXTABLE2048_TABLE_LENGTH];
Kojto 110:165afa46840b 108 extern const uint16_t armBitRevIndexTable4096[ARMBITREVINDEXTABLE4096_TABLE_LENGTH];
Kojto 110:165afa46840b 109
Kojto 110:165afa46840b 110 /* fixed-point bit reversal tables */
Kojto 110:165afa46840b 111 #define ARMBITREVINDEXTABLE_FIXED___16_TABLE_LENGTH ((uint16_t)12 )
Kojto 110:165afa46840b 112 #define ARMBITREVINDEXTABLE_FIXED___32_TABLE_LENGTH ((uint16_t)24 )
Kojto 110:165afa46840b 113 #define ARMBITREVINDEXTABLE_FIXED___64_TABLE_LENGTH ((uint16_t)56 )
Kojto 110:165afa46840b 114 #define ARMBITREVINDEXTABLE_FIXED__128_TABLE_LENGTH ((uint16_t)112 )
Kojto 110:165afa46840b 115 #define ARMBITREVINDEXTABLE_FIXED__256_TABLE_LENGTH ((uint16_t)240 )
Kojto 110:165afa46840b 116 #define ARMBITREVINDEXTABLE_FIXED__512_TABLE_LENGTH ((uint16_t)480 )
Kojto 110:165afa46840b 117 #define ARMBITREVINDEXTABLE_FIXED_1024_TABLE_LENGTH ((uint16_t)992 )
Kojto 110:165afa46840b 118 #define ARMBITREVINDEXTABLE_FIXED_2048_TABLE_LENGTH ((uint16_t)1984)
Kojto 110:165afa46840b 119 #define ARMBITREVINDEXTABLE_FIXED_4096_TABLE_LENGTH ((uint16_t)4032)
Kojto 110:165afa46840b 120
Kojto 110:165afa46840b 121 extern const uint16_t armBitRevIndexTable_fixed_16[ARMBITREVINDEXTABLE_FIXED___16_TABLE_LENGTH];
Kojto 110:165afa46840b 122 extern const uint16_t armBitRevIndexTable_fixed_32[ARMBITREVINDEXTABLE_FIXED___32_TABLE_LENGTH];
Kojto 110:165afa46840b 123 extern const uint16_t armBitRevIndexTable_fixed_64[ARMBITREVINDEXTABLE_FIXED___64_TABLE_LENGTH];
Kojto 110:165afa46840b 124 extern const uint16_t armBitRevIndexTable_fixed_128[ARMBITREVINDEXTABLE_FIXED__128_TABLE_LENGTH];
Kojto 110:165afa46840b 125 extern const uint16_t armBitRevIndexTable_fixed_256[ARMBITREVINDEXTABLE_FIXED__256_TABLE_LENGTH];
Kojto 110:165afa46840b 126 extern const uint16_t armBitRevIndexTable_fixed_512[ARMBITREVINDEXTABLE_FIXED__512_TABLE_LENGTH];
Kojto 110:165afa46840b 127 extern const uint16_t armBitRevIndexTable_fixed_1024[ARMBITREVINDEXTABLE_FIXED_1024_TABLE_LENGTH];
Kojto 110:165afa46840b 128 extern const uint16_t armBitRevIndexTable_fixed_2048[ARMBITREVINDEXTABLE_FIXED_2048_TABLE_LENGTH];
Kojto 110:165afa46840b 129 extern const uint16_t armBitRevIndexTable_fixed_4096[ARMBITREVINDEXTABLE_FIXED_4096_TABLE_LENGTH];
Kojto 110:165afa46840b 130
Kojto 110:165afa46840b 131 /* Tables for Fast Math Sine and Cosine */
Kojto 110:165afa46840b 132 extern const float32_t sinTable_f32[FAST_MATH_TABLE_SIZE + 1];
Kojto 110:165afa46840b 133 extern const q31_t sinTable_q31[FAST_MATH_TABLE_SIZE + 1];
Kojto 110:165afa46840b 134 extern const q15_t sinTable_q15[FAST_MATH_TABLE_SIZE + 1];
Kojto 110:165afa46840b 135
Kojto 110:165afa46840b 136 #endif /* ARM_COMMON_TABLES_H */