arm_common_tables.h

00001 /* ----------------------------------------------------------------------
00002 * Copyright (C) 2010-2014 ARM Limited. All rights reserved.
00003 *
00004 * $Date:        19. October 2015
00005 * $Revision:    V.1.4.5 a
00006 *
00007 * Project:      CMSIS DSP Library
00008 * Title:        arm_common_tables.h
00009 *
00010 * Description:  This file has extern declaration for common tables like Bitreverse, reciprocal etc which are used across different functions
00011 *
00012 * Target Processor: Cortex-M4/Cortex-M3
00013 *
00014 * Redistribution and use in source and binary forms, with or without
00015 * modification, are permitted provided that the following conditions
00016 * are met:
00017 *   - Redistributions of source code must retain the above copyright
00018 *     notice, this list of conditions and the following disclaimer.
00019 *   - Redistributions in binary form must reproduce the above copyright
00020 *     notice, this list of conditions and the following disclaimer in
00021 *     the documentation and/or other materials provided with the
00022 *     distribution.
00023 *   - Neither the name of ARM LIMITED nor the names of its contributors
00024 *     may be used to endorse or promote products derived from this
00025 *     software without specific prior written permission.
00026 *
00027 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
00028 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
00029 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
00030 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
00031 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
00032 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
00033 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
00034 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
00035 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
00036 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
00037 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
00038 * POSSIBILITY OF SUCH DAMAGE.
00039 * -------------------------------------------------------------------- */
00040 
00041 #ifndef _ARM_COMMON_TABLES_H
00042 #define _ARM_COMMON_TABLES_H
00043 
00044 #include "arm_math.h"
00045 
00046 extern const uint16_t armBitRevTable [1024];
00047 extern const q15_t armRecipTableQ15[64];
00048 extern const q31_t armRecipTableQ31[64];
00049 /* extern const q31_t realCoefAQ31[1024]; */
00050 /* extern const q31_t realCoefBQ31[1024]; */
00051 extern const float32_t twiddleCoef_16 [32];
00052 extern const float32_t twiddleCoef_32 [64];
00053 extern const float32_t twiddleCoef_64 [128];
00054 extern const float32_t twiddleCoef_128 [256];
00055 extern const float32_t twiddleCoef_256 [512];
00056 extern const float32_t twiddleCoef_512 [1024];
00057 extern const float32_t twiddleCoef_1024 [2048];
00058 extern const float32_t twiddleCoef_2048 [4096];
00059 extern const float32_t twiddleCoef_4096 [8192];
00060 #define twiddleCoef twiddleCoef_4096
00061 extern const q31_t twiddleCoef_16_q31 [24];
00062 extern const q31_t twiddleCoef_32_q31 [48];
00063 extern const q31_t twiddleCoef_64_q31 [96];
00064 extern const q31_t twiddleCoef_128_q31 [192];
00065 extern const q31_t twiddleCoef_256_q31 [384];
00066 extern const q31_t twiddleCoef_512_q31 [768];
00067 extern const q31_t twiddleCoef_1024_q31 [1536];
00068 extern const q31_t twiddleCoef_2048_q31 [3072];
00069 extern const q31_t twiddleCoef_4096_q31 [6144];
00070 extern const q15_t twiddleCoef_16_q15 [24];
00071 extern const q15_t twiddleCoef_32_q15 [48];
00072 extern const q15_t twiddleCoef_64_q15 [96];
00073 extern const q15_t twiddleCoef_128_q15 [192];
00074 extern const q15_t twiddleCoef_256_q15 [384];
00075 extern const q15_t twiddleCoef_512_q15 [768];
00076 extern const q15_t twiddleCoef_1024_q15 [1536];
00077 extern const q15_t twiddleCoef_2048_q15 [3072];
00078 extern const q15_t twiddleCoef_4096_q15 [6144];
00079 extern const float32_t twiddleCoef_rfft_32[32];
00080 extern const float32_t twiddleCoef_rfft_64[64];
00081 extern const float32_t twiddleCoef_rfft_128[128];
00082 extern const float32_t twiddleCoef_rfft_256[256];
00083 extern const float32_t twiddleCoef_rfft_512[512];
00084 extern const float32_t twiddleCoef_rfft_1024[1024];
00085 extern const float32_t twiddleCoef_rfft_2048[2048];
00086 extern const float32_t twiddleCoef_rfft_4096[4096];
00087 
00088 
00089 /* floating-point bit reversal tables */
00090 #define ARMBITREVINDEXTABLE__16_TABLE_LENGTH ((uint16_t)20  )
00091 #define ARMBITREVINDEXTABLE__32_TABLE_LENGTH ((uint16_t)48  )
00092 #define ARMBITREVINDEXTABLE__64_TABLE_LENGTH ((uint16_t)56  )
00093 #define ARMBITREVINDEXTABLE_128_TABLE_LENGTH ((uint16_t)208 )
00094 #define ARMBITREVINDEXTABLE_256_TABLE_LENGTH ((uint16_t)440 )
00095 #define ARMBITREVINDEXTABLE_512_TABLE_LENGTH ((uint16_t)448 )
00096 #define ARMBITREVINDEXTABLE1024_TABLE_LENGTH ((uint16_t)1800)
00097 #define ARMBITREVINDEXTABLE2048_TABLE_LENGTH ((uint16_t)3808)
00098 #define ARMBITREVINDEXTABLE4096_TABLE_LENGTH ((uint16_t)4032)
00099 
00100 extern const uint16_t armBitRevIndexTable16[ARMBITREVINDEXTABLE__16_TABLE_LENGTH];
00101 extern const uint16_t armBitRevIndexTable32[ARMBITREVINDEXTABLE__32_TABLE_LENGTH];
00102 extern const uint16_t armBitRevIndexTable64[ARMBITREVINDEXTABLE__64_TABLE_LENGTH];
00103 extern const uint16_t armBitRevIndexTable128[ARMBITREVINDEXTABLE_128_TABLE_LENGTH];
00104 extern const uint16_t armBitRevIndexTable256[ARMBITREVINDEXTABLE_256_TABLE_LENGTH];
00105 extern const uint16_t armBitRevIndexTable512[ARMBITREVINDEXTABLE_512_TABLE_LENGTH];
00106 extern const uint16_t armBitRevIndexTable1024[ARMBITREVINDEXTABLE1024_TABLE_LENGTH];
00107 extern const uint16_t armBitRevIndexTable2048[ARMBITREVINDEXTABLE2048_TABLE_LENGTH];
00108 extern const uint16_t armBitRevIndexTable4096[ARMBITREVINDEXTABLE4096_TABLE_LENGTH];
00109 
00110 /* fixed-point bit reversal tables */
00111 #define ARMBITREVINDEXTABLE_FIXED___16_TABLE_LENGTH ((uint16_t)12  )
00112 #define ARMBITREVINDEXTABLE_FIXED___32_TABLE_LENGTH ((uint16_t)24  )
00113 #define ARMBITREVINDEXTABLE_FIXED___64_TABLE_LENGTH ((uint16_t)56  )
00114 #define ARMBITREVINDEXTABLE_FIXED__128_TABLE_LENGTH ((uint16_t)112 )
00115 #define ARMBITREVINDEXTABLE_FIXED__256_TABLE_LENGTH ((uint16_t)240 )
00116 #define ARMBITREVINDEXTABLE_FIXED__512_TABLE_LENGTH ((uint16_t)480 )
00117 #define ARMBITREVINDEXTABLE_FIXED_1024_TABLE_LENGTH ((uint16_t)992 )
00118 #define ARMBITREVINDEXTABLE_FIXED_2048_TABLE_LENGTH ((uint16_t)1984)
00119 #define ARMBITREVINDEXTABLE_FIXED_4096_TABLE_LENGTH ((uint16_t)4032)
00120 
00121 extern const uint16_t armBitRevIndexTable_fixed_16[ARMBITREVINDEXTABLE_FIXED___16_TABLE_LENGTH];
00122 extern const uint16_t armBitRevIndexTable_fixed_32[ARMBITREVINDEXTABLE_FIXED___32_TABLE_LENGTH];
00123 extern const uint16_t armBitRevIndexTable_fixed_64[ARMBITREVINDEXTABLE_FIXED___64_TABLE_LENGTH];
00124 extern const uint16_t armBitRevIndexTable_fixed_128[ARMBITREVINDEXTABLE_FIXED__128_TABLE_LENGTH];
00125 extern const uint16_t armBitRevIndexTable_fixed_256[ARMBITREVINDEXTABLE_FIXED__256_TABLE_LENGTH];
00126 extern const uint16_t armBitRevIndexTable_fixed_512[ARMBITREVINDEXTABLE_FIXED__512_TABLE_LENGTH];
00127 extern const uint16_t armBitRevIndexTable_fixed_1024[ARMBITREVINDEXTABLE_FIXED_1024_TABLE_LENGTH];
00128 extern const uint16_t armBitRevIndexTable_fixed_2048[ARMBITREVINDEXTABLE_FIXED_2048_TABLE_LENGTH];
00129 extern const uint16_t armBitRevIndexTable_fixed_4096[ARMBITREVINDEXTABLE_FIXED_4096_TABLE_LENGTH];
00130 
00131 /* Tables for Fast Math Sine and Cosine */
00132 extern const float32_t sinTable_f32[FAST_MATH_TABLE_SIZE + 1];
00133 extern const q31_t sinTable_q31[FAST_MATH_TABLE_SIZE + 1];
00134 extern const q15_t sinTable_q15[FAST_MATH_TABLE_SIZE + 1];
00135 
00136 #endif /*  ARM_COMMON_TABLES_H */