1*e8380792SMatthias Ringwald /* ---------------------------------------------------------------------- 2*e8380792SMatthias Ringwald * Copyright (C) 2010-2014 ARM Limited. All rights reserved. 3*e8380792SMatthias Ringwald * 4*e8380792SMatthias Ringwald * $Date: 19. October 2015 5*e8380792SMatthias Ringwald * $Revision: V.1.4.5 a 6*e8380792SMatthias Ringwald * 7*e8380792SMatthias Ringwald * Project: CMSIS DSP Library 8*e8380792SMatthias Ringwald * Title: arm_common_tables.h 9*e8380792SMatthias Ringwald * 10*e8380792SMatthias Ringwald * Description: This file has extern declaration for common tables like Bitreverse, reciprocal etc which are used across different functions 11*e8380792SMatthias Ringwald * 12*e8380792SMatthias Ringwald * Target Processor: Cortex-M4/Cortex-M3 13*e8380792SMatthias Ringwald * 14*e8380792SMatthias Ringwald * Redistribution and use in source and binary forms, with or without 15*e8380792SMatthias Ringwald * modification, are permitted provided that the following conditions 16*e8380792SMatthias Ringwald * are met: 17*e8380792SMatthias Ringwald * - Redistributions of source code must retain the above copyright 18*e8380792SMatthias Ringwald * notice, this list of conditions and the following disclaimer. 19*e8380792SMatthias Ringwald * - Redistributions in binary form must reproduce the above copyright 20*e8380792SMatthias Ringwald * notice, this list of conditions and the following disclaimer in 21*e8380792SMatthias Ringwald * the documentation and/or other materials provided with the 22*e8380792SMatthias Ringwald * distribution. 23*e8380792SMatthias Ringwald * - Neither the name of ARM LIMITED nor the names of its contributors 24*e8380792SMatthias Ringwald * may be used to endorse or promote products derived from this 25*e8380792SMatthias Ringwald * software without specific prior written permission. 26*e8380792SMatthias Ringwald * 27*e8380792SMatthias Ringwald * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 28*e8380792SMatthias Ringwald * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 29*e8380792SMatthias Ringwald * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 30*e8380792SMatthias Ringwald * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 31*e8380792SMatthias Ringwald * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 32*e8380792SMatthias Ringwald * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 33*e8380792SMatthias Ringwald * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 34*e8380792SMatthias Ringwald * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 35*e8380792SMatthias Ringwald * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 36*e8380792SMatthias Ringwald * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 37*e8380792SMatthias Ringwald * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 38*e8380792SMatthias Ringwald * POSSIBILITY OF SUCH DAMAGE. 39*e8380792SMatthias Ringwald * -------------------------------------------------------------------- */ 40*e8380792SMatthias Ringwald 41*e8380792SMatthias Ringwald #ifndef _ARM_COMMON_TABLES_H 42*e8380792SMatthias Ringwald #define _ARM_COMMON_TABLES_H 43*e8380792SMatthias Ringwald 44*e8380792SMatthias Ringwald #include "arm_math.h" 45*e8380792SMatthias Ringwald 46*e8380792SMatthias Ringwald extern const uint16_t armBitRevTable[1024]; 47*e8380792SMatthias Ringwald extern const q15_t armRecipTableQ15[64]; 48*e8380792SMatthias Ringwald extern const q31_t armRecipTableQ31[64]; 49*e8380792SMatthias Ringwald /* extern const q31_t realCoefAQ31[1024]; */ 50*e8380792SMatthias Ringwald /* extern const q31_t realCoefBQ31[1024]; */ 51*e8380792SMatthias Ringwald extern const float32_t twiddleCoef_16[32]; 52*e8380792SMatthias Ringwald extern const float32_t twiddleCoef_32[64]; 53*e8380792SMatthias Ringwald extern const float32_t twiddleCoef_64[128]; 54*e8380792SMatthias Ringwald extern const float32_t twiddleCoef_128[256]; 55*e8380792SMatthias Ringwald extern const float32_t twiddleCoef_256[512]; 56*e8380792SMatthias Ringwald extern const float32_t twiddleCoef_512[1024]; 57*e8380792SMatthias Ringwald extern const float32_t twiddleCoef_1024[2048]; 58*e8380792SMatthias Ringwald extern const float32_t twiddleCoef_2048[4096]; 59*e8380792SMatthias Ringwald extern const float32_t twiddleCoef_4096[8192]; 60*e8380792SMatthias Ringwald #define twiddleCoef twiddleCoef_4096 61*e8380792SMatthias Ringwald extern const q31_t twiddleCoef_16_q31[24]; 62*e8380792SMatthias Ringwald extern const q31_t twiddleCoef_32_q31[48]; 63*e8380792SMatthias Ringwald extern const q31_t twiddleCoef_64_q31[96]; 64*e8380792SMatthias Ringwald extern const q31_t twiddleCoef_128_q31[192]; 65*e8380792SMatthias Ringwald extern const q31_t twiddleCoef_256_q31[384]; 66*e8380792SMatthias Ringwald extern const q31_t twiddleCoef_512_q31[768]; 67*e8380792SMatthias Ringwald extern const q31_t twiddleCoef_1024_q31[1536]; 68*e8380792SMatthias Ringwald extern const q31_t twiddleCoef_2048_q31[3072]; 69*e8380792SMatthias Ringwald extern const q31_t twiddleCoef_4096_q31[6144]; 70*e8380792SMatthias Ringwald extern const q15_t twiddleCoef_16_q15[24]; 71*e8380792SMatthias Ringwald extern const q15_t twiddleCoef_32_q15[48]; 72*e8380792SMatthias Ringwald extern const q15_t twiddleCoef_64_q15[96]; 73*e8380792SMatthias Ringwald extern const q15_t twiddleCoef_128_q15[192]; 74*e8380792SMatthias Ringwald extern const q15_t twiddleCoef_256_q15[384]; 75*e8380792SMatthias Ringwald extern const q15_t twiddleCoef_512_q15[768]; 76*e8380792SMatthias Ringwald extern const q15_t twiddleCoef_1024_q15[1536]; 77*e8380792SMatthias Ringwald extern const q15_t twiddleCoef_2048_q15[3072]; 78*e8380792SMatthias Ringwald extern const q15_t twiddleCoef_4096_q15[6144]; 79*e8380792SMatthias Ringwald extern const float32_t twiddleCoef_rfft_32[32]; 80*e8380792SMatthias Ringwald extern const float32_t twiddleCoef_rfft_64[64]; 81*e8380792SMatthias Ringwald extern const float32_t twiddleCoef_rfft_128[128]; 82*e8380792SMatthias Ringwald extern const float32_t twiddleCoef_rfft_256[256]; 83*e8380792SMatthias Ringwald extern const float32_t twiddleCoef_rfft_512[512]; 84*e8380792SMatthias Ringwald extern const float32_t twiddleCoef_rfft_1024[1024]; 85*e8380792SMatthias Ringwald extern const float32_t twiddleCoef_rfft_2048[2048]; 86*e8380792SMatthias Ringwald extern const float32_t twiddleCoef_rfft_4096[4096]; 87*e8380792SMatthias Ringwald 88*e8380792SMatthias Ringwald 89*e8380792SMatthias Ringwald /* floating-point bit reversal tables */ 90*e8380792SMatthias Ringwald #define ARMBITREVINDEXTABLE__16_TABLE_LENGTH ((uint16_t)20 ) 91*e8380792SMatthias Ringwald #define ARMBITREVINDEXTABLE__32_TABLE_LENGTH ((uint16_t)48 ) 92*e8380792SMatthias Ringwald #define ARMBITREVINDEXTABLE__64_TABLE_LENGTH ((uint16_t)56 ) 93*e8380792SMatthias Ringwald #define ARMBITREVINDEXTABLE_128_TABLE_LENGTH ((uint16_t)208 ) 94*e8380792SMatthias Ringwald #define ARMBITREVINDEXTABLE_256_TABLE_LENGTH ((uint16_t)440 ) 95*e8380792SMatthias Ringwald #define ARMBITREVINDEXTABLE_512_TABLE_LENGTH ((uint16_t)448 ) 96*e8380792SMatthias Ringwald #define ARMBITREVINDEXTABLE1024_TABLE_LENGTH ((uint16_t)1800) 97*e8380792SMatthias Ringwald #define ARMBITREVINDEXTABLE2048_TABLE_LENGTH ((uint16_t)3808) 98*e8380792SMatthias Ringwald #define ARMBITREVINDEXTABLE4096_TABLE_LENGTH ((uint16_t)4032) 99*e8380792SMatthias Ringwald 100*e8380792SMatthias Ringwald extern const uint16_t armBitRevIndexTable16[ARMBITREVINDEXTABLE__16_TABLE_LENGTH]; 101*e8380792SMatthias Ringwald extern const uint16_t armBitRevIndexTable32[ARMBITREVINDEXTABLE__32_TABLE_LENGTH]; 102*e8380792SMatthias Ringwald extern const uint16_t armBitRevIndexTable64[ARMBITREVINDEXTABLE__64_TABLE_LENGTH]; 103*e8380792SMatthias Ringwald extern const uint16_t armBitRevIndexTable128[ARMBITREVINDEXTABLE_128_TABLE_LENGTH]; 104*e8380792SMatthias Ringwald extern const uint16_t armBitRevIndexTable256[ARMBITREVINDEXTABLE_256_TABLE_LENGTH]; 105*e8380792SMatthias Ringwald extern const uint16_t armBitRevIndexTable512[ARMBITREVINDEXTABLE_512_TABLE_LENGTH]; 106*e8380792SMatthias Ringwald extern const uint16_t armBitRevIndexTable1024[ARMBITREVINDEXTABLE1024_TABLE_LENGTH]; 107*e8380792SMatthias Ringwald extern const uint16_t armBitRevIndexTable2048[ARMBITREVINDEXTABLE2048_TABLE_LENGTH]; 108*e8380792SMatthias Ringwald extern const uint16_t armBitRevIndexTable4096[ARMBITREVINDEXTABLE4096_TABLE_LENGTH]; 109*e8380792SMatthias Ringwald 110*e8380792SMatthias Ringwald /* fixed-point bit reversal tables */ 111*e8380792SMatthias Ringwald #define ARMBITREVINDEXTABLE_FIXED___16_TABLE_LENGTH ((uint16_t)12 ) 112*e8380792SMatthias Ringwald #define ARMBITREVINDEXTABLE_FIXED___32_TABLE_LENGTH ((uint16_t)24 ) 113*e8380792SMatthias Ringwald #define ARMBITREVINDEXTABLE_FIXED___64_TABLE_LENGTH ((uint16_t)56 ) 114*e8380792SMatthias Ringwald #define ARMBITREVINDEXTABLE_FIXED__128_TABLE_LENGTH ((uint16_t)112 ) 115*e8380792SMatthias Ringwald #define ARMBITREVINDEXTABLE_FIXED__256_TABLE_LENGTH ((uint16_t)240 ) 116*e8380792SMatthias Ringwald #define ARMBITREVINDEXTABLE_FIXED__512_TABLE_LENGTH ((uint16_t)480 ) 117*e8380792SMatthias Ringwald #define ARMBITREVINDEXTABLE_FIXED_1024_TABLE_LENGTH ((uint16_t)992 ) 118*e8380792SMatthias Ringwald #define ARMBITREVINDEXTABLE_FIXED_2048_TABLE_LENGTH ((uint16_t)1984) 119*e8380792SMatthias Ringwald #define ARMBITREVINDEXTABLE_FIXED_4096_TABLE_LENGTH ((uint16_t)4032) 120*e8380792SMatthias Ringwald 121*e8380792SMatthias Ringwald extern const uint16_t armBitRevIndexTable_fixed_16[ARMBITREVINDEXTABLE_FIXED___16_TABLE_LENGTH]; 122*e8380792SMatthias Ringwald extern const uint16_t armBitRevIndexTable_fixed_32[ARMBITREVINDEXTABLE_FIXED___32_TABLE_LENGTH]; 123*e8380792SMatthias Ringwald extern const uint16_t armBitRevIndexTable_fixed_64[ARMBITREVINDEXTABLE_FIXED___64_TABLE_LENGTH]; 124*e8380792SMatthias Ringwald extern const uint16_t armBitRevIndexTable_fixed_128[ARMBITREVINDEXTABLE_FIXED__128_TABLE_LENGTH]; 125*e8380792SMatthias Ringwald extern const uint16_t armBitRevIndexTable_fixed_256[ARMBITREVINDEXTABLE_FIXED__256_TABLE_LENGTH]; 126*e8380792SMatthias Ringwald extern const uint16_t armBitRevIndexTable_fixed_512[ARMBITREVINDEXTABLE_FIXED__512_TABLE_LENGTH]; 127*e8380792SMatthias Ringwald extern const uint16_t armBitRevIndexTable_fixed_1024[ARMBITREVINDEXTABLE_FIXED_1024_TABLE_LENGTH]; 128*e8380792SMatthias Ringwald extern const uint16_t armBitRevIndexTable_fixed_2048[ARMBITREVINDEXTABLE_FIXED_2048_TABLE_LENGTH]; 129*e8380792SMatthias Ringwald extern const uint16_t armBitRevIndexTable_fixed_4096[ARMBITREVINDEXTABLE_FIXED_4096_TABLE_LENGTH]; 130*e8380792SMatthias Ringwald 131*e8380792SMatthias Ringwald /* Tables for Fast Math Sine and Cosine */ 132*e8380792SMatthias Ringwald extern const float32_t sinTable_f32[FAST_MATH_TABLE_SIZE + 1]; 133*e8380792SMatthias Ringwald extern const q31_t sinTable_q31[FAST_MATH_TABLE_SIZE + 1]; 134*e8380792SMatthias Ringwald extern const q15_t sinTable_q15[FAST_MATH_TABLE_SIZE + 1]; 135*e8380792SMatthias Ringwald 136*e8380792SMatthias Ringwald #endif /* ARM_COMMON_TABLES_H */ 137