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arm_common_tables.h

  • arm_common_tables.h 6.96 KiB
    /* ----------------------------------------------------------------------
    * Copyright (C) 2010-2014 ARM Limited. All rights reserved.
    *
    * $Date:        19. October 2015
    * $Revision: 	V.1.4.5 a
    *
    * Project: 	    CMSIS DSP Library
    * Title:	    arm_common_tables.h
    *
    * Description:	This file has extern declaration for common tables like Bitreverse, reciprocal etc which are used across different functions
    *
    * Target Processor: Cortex-M4/Cortex-M3
    *
    * Redistribution and use in source and binary forms, with or without
    * modification, are permitted provided that the following conditions
    * are met:
    *   - Redistributions of source code must retain the above copyright
    *     notice, this list of conditions and the following disclaimer.
    *   - Redistributions in binary form must reproduce the above copyright
    *     notice, this list of conditions and the following disclaimer in
    *     the documentation and/or other materials provided with the
    *     distribution.
    *   - Neither the name of ARM LIMITED nor the names of its contributors
    *     may be used to endorse or promote products derived from this
    *     software without specific prior written permission.
    *
    * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
    * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
    * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
    * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
    * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
    * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
    * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
    * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
    * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
    * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
    * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
    * POSSIBILITY OF SUCH DAMAGE.
    * -------------------------------------------------------------------- */
    
    #ifndef _ARM_COMMON_TABLES_H
    #define _ARM_COMMON_TABLES_H
    
    #include "arm_math.h"
    
    extern const uint16_t armBitRevTable[1024];
    extern const q15_t armRecipTableQ15[64];
    extern const q31_t armRecipTableQ31[64];
    /* extern const q31_t realCoefAQ31[1024]; */
    /* extern const q31_t realCoefBQ31[1024]; */
    extern const float32_t twiddleCoef_16[32];
    extern const float32_t twiddleCoef_32[64];
    extern const float32_t twiddleCoef_64[128];
    extern const float32_t twiddleCoef_128[256];
    extern const float32_t twiddleCoef_256[512];
    extern const float32_t twiddleCoef_512[1024];
    extern const float32_t twiddleCoef_1024[2048];
    extern const float32_t twiddleCoef_2048[4096];
    extern const float32_t twiddleCoef_4096[8192];
    #define twiddleCoef twiddleCoef_4096
    extern const q31_t twiddleCoef_16_q31[24];
    extern const q31_t twiddleCoef_32_q31[48];
    extern const q31_t twiddleCoef_64_q31[96];
    extern const q31_t twiddleCoef_128_q31[192];
    extern const q31_t twiddleCoef_256_q31[384];
    extern const q31_t twiddleCoef_512_q31[768];
    extern const q31_t twiddleCoef_1024_q31[1536];
    extern const q31_t twiddleCoef_2048_q31[3072];
    extern const q31_t twiddleCoef_4096_q31[6144];
    extern const q15_t twiddleCoef_16_q15[24];
    extern const q15_t twiddleCoef_32_q15[48];
    extern const q15_t twiddleCoef_64_q15[96];
    extern const q15_t twiddleCoef_128_q15[192];
    extern const q15_t twiddleCoef_256_q15[384];
    extern const q15_t twiddleCoef_512_q15[768];
    extern const q15_t twiddleCoef_1024_q15[1536];
    extern const q15_t twiddleCoef_2048_q15[3072];
    extern const q15_t twiddleCoef_4096_q15[6144];
    extern const float32_t twiddleCoef_rfft_32[32];
    extern const float32_t twiddleCoef_rfft_64[64];
    extern const float32_t twiddleCoef_rfft_128[128];
    extern const float32_t twiddleCoef_rfft_256[256];
    extern const float32_t twiddleCoef_rfft_512[512];
    extern const float32_t twiddleCoef_rfft_1024[1024];
    extern const float32_t twiddleCoef_rfft_2048[2048];
    extern const float32_t twiddleCoef_rfft_4096[4096];
    
    
    /* floating-point bit reversal tables */
    #define ARMBITREVINDEXTABLE__16_TABLE_LENGTH ((uint16_t)20  )
    #define ARMBITREVINDEXTABLE__32_TABLE_LENGTH ((uint16_t)48  )
    #define ARMBITREVINDEXTABLE__64_TABLE_LENGTH ((uint16_t)56  )
    #define ARMBITREVINDEXTABLE_128_TABLE_LENGTH ((uint16_t)208 )
    #define ARMBITREVINDEXTABLE_256_TABLE_LENGTH ((uint16_t)440 )
    #define ARMBITREVINDEXTABLE_512_TABLE_LENGTH ((uint16_t)448 )
    #define ARMBITREVINDEXTABLE1024_TABLE_LENGTH ((uint16_t)1800)
    #define ARMBITREVINDEXTABLE2048_TABLE_LENGTH ((uint16_t)3808)
    #define ARMBITREVINDEXTABLE4096_TABLE_LENGTH ((uint16_t)4032)
    
    extern const uint16_t armBitRevIndexTable16[ARMBITREVINDEXTABLE__16_TABLE_LENGTH];
    extern const uint16_t armBitRevIndexTable32[ARMBITREVINDEXTABLE__32_TABLE_LENGTH];
    extern const uint16_t armBitRevIndexTable64[ARMBITREVINDEXTABLE__64_TABLE_LENGTH];
    extern const uint16_t armBitRevIndexTable128[ARMBITREVINDEXTABLE_128_TABLE_LENGTH];
    extern const uint16_t armBitRevIndexTable256[ARMBITREVINDEXTABLE_256_TABLE_LENGTH];
    extern const uint16_t armBitRevIndexTable512[ARMBITREVINDEXTABLE_512_TABLE_LENGTH];
    extern const uint16_t armBitRevIndexTable1024[ARMBITREVINDEXTABLE1024_TABLE_LENGTH];
    extern const uint16_t armBitRevIndexTable2048[ARMBITREVINDEXTABLE2048_TABLE_LENGTH];
    extern const uint16_t armBitRevIndexTable4096[ARMBITREVINDEXTABLE4096_TABLE_LENGTH];
    
    /* fixed-point bit reversal tables */
    #define ARMBITREVINDEXTABLE_FIXED___16_TABLE_LENGTH ((uint16_t)12  )
    #define ARMBITREVINDEXTABLE_FIXED___32_TABLE_LENGTH ((uint16_t)24  )
    #define ARMBITREVINDEXTABLE_FIXED___64_TABLE_LENGTH ((uint16_t)56  )
    #define ARMBITREVINDEXTABLE_FIXED__128_TABLE_LENGTH ((uint16_t)112 )
    #define ARMBITREVINDEXTABLE_FIXED__256_TABLE_LENGTH ((uint16_t)240 )
    #define ARMBITREVINDEXTABLE_FIXED__512_TABLE_LENGTH ((uint16_t)480 )
    #define ARMBITREVINDEXTABLE_FIXED_1024_TABLE_LENGTH ((uint16_t)992 )
    #define ARMBITREVINDEXTABLE_FIXED_2048_TABLE_LENGTH ((uint16_t)1984)
    #define ARMBITREVINDEXTABLE_FIXED_4096_TABLE_LENGTH ((uint16_t)4032)
    
    extern const uint16_t armBitRevIndexTable_fixed_16[ARMBITREVINDEXTABLE_FIXED___16_TABLE_LENGTH];
    extern const uint16_t armBitRevIndexTable_fixed_32[ARMBITREVINDEXTABLE_FIXED___32_TABLE_LENGTH];
    extern const uint16_t armBitRevIndexTable_fixed_64[ARMBITREVINDEXTABLE_FIXED___64_TABLE_LENGTH];
    extern const uint16_t armBitRevIndexTable_fixed_128[ARMBITREVINDEXTABLE_FIXED__128_TABLE_LENGTH];
    extern const uint16_t armBitRevIndexTable_fixed_256[ARMBITREVINDEXTABLE_FIXED__256_TABLE_LENGTH];
    extern const uint16_t armBitRevIndexTable_fixed_512[ARMBITREVINDEXTABLE_FIXED__512_TABLE_LENGTH];
    extern const uint16_t armBitRevIndexTable_fixed_1024[ARMBITREVINDEXTABLE_FIXED_1024_TABLE_LENGTH];
    extern const uint16_t armBitRevIndexTable_fixed_2048[ARMBITREVINDEXTABLE_FIXED_2048_TABLE_LENGTH];
    extern const uint16_t armBitRevIndexTable_fixed_4096[ARMBITREVINDEXTABLE_FIXED_4096_TABLE_LENGTH];
    
    /* Tables for Fast Math Sine and Cosine */
    extern const float32_t sinTable_f32[FAST_MATH_TABLE_SIZE + 1];
    extern const q31_t sinTable_q31[FAST_MATH_TABLE_SIZE + 1];
    extern const q15_t sinTable_q15[FAST_MATH_TABLE_SIZE + 1];
    
    #endif /*  ARM_COMMON_TABLES_H */