122 lines
6.0 KiB
C
122 lines
6.0 KiB
C
/* ----------------------------------------------------------------------
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* Project: CMSIS DSP Library
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* Title: arm_common_tables.h
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* Description: Extern declaration for common tables
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*
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* $Date: 27. January 2017
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* $Revision: V.1.5.1
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*
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* Target Processor: Cortex-M cores
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* -------------------------------------------------------------------- */
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/*
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* Copyright (C) 2010-2017 ARM Limited or its affiliates. All rights reserved.
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the License); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an AS IS BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef _ARM_COMMON_TABLES_H
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#define _ARM_COMMON_TABLES_H
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#include "arm_math.h"
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extern const uint16_t armBitRevTable[1024];
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extern const q15_t armRecipTableQ15[64];
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extern const q31_t armRecipTableQ31[64];
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extern const float32_t twiddleCoef_16[32];
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extern const float32_t twiddleCoef_32[64];
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extern const float32_t twiddleCoef_64[128];
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extern const float32_t twiddleCoef_128[256];
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extern const float32_t twiddleCoef_256[512];
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extern const float32_t twiddleCoef_512[1024];
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extern const float32_t twiddleCoef_1024[2048];
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extern const float32_t twiddleCoef_2048[4096];
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extern const float32_t twiddleCoef_4096[8192];
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#define twiddleCoef twiddleCoef_4096
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extern const q31_t twiddleCoef_16_q31[24];
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extern const q31_t twiddleCoef_32_q31[48];
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extern const q31_t twiddleCoef_64_q31[96];
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extern const q31_t twiddleCoef_128_q31[192];
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extern const q31_t twiddleCoef_256_q31[384];
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extern const q31_t twiddleCoef_512_q31[768];
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extern const q31_t twiddleCoef_1024_q31[1536];
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extern const q31_t twiddleCoef_2048_q31[3072];
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extern const q31_t twiddleCoef_4096_q31[6144];
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extern const q15_t twiddleCoef_16_q15[24];
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extern const q15_t twiddleCoef_32_q15[48];
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extern const q15_t twiddleCoef_64_q15[96];
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extern const q15_t twiddleCoef_128_q15[192];
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extern const q15_t twiddleCoef_256_q15[384];
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extern const q15_t twiddleCoef_512_q15[768];
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extern const q15_t twiddleCoef_1024_q15[1536];
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extern const q15_t twiddleCoef_2048_q15[3072];
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extern const q15_t twiddleCoef_4096_q15[6144];
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extern const float32_t twiddleCoef_rfft_32[32];
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extern const float32_t twiddleCoef_rfft_64[64];
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extern const float32_t twiddleCoef_rfft_128[128];
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extern const float32_t twiddleCoef_rfft_256[256];
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extern const float32_t twiddleCoef_rfft_512[512];
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extern const float32_t twiddleCoef_rfft_1024[1024];
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extern const float32_t twiddleCoef_rfft_2048[2048];
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extern const float32_t twiddleCoef_rfft_4096[4096];
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/* floating-point bit reversal tables */
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#define ARMBITREVINDEXTABLE_16_TABLE_LENGTH ((uint16_t)20)
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#define ARMBITREVINDEXTABLE_32_TABLE_LENGTH ((uint16_t)48)
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#define ARMBITREVINDEXTABLE_64_TABLE_LENGTH ((uint16_t)56)
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#define ARMBITREVINDEXTABLE_128_TABLE_LENGTH ((uint16_t)208)
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#define ARMBITREVINDEXTABLE_256_TABLE_LENGTH ((uint16_t)440)
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#define ARMBITREVINDEXTABLE_512_TABLE_LENGTH ((uint16_t)448)
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#define ARMBITREVINDEXTABLE_1024_TABLE_LENGTH ((uint16_t)1800)
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#define ARMBITREVINDEXTABLE_2048_TABLE_LENGTH ((uint16_t)3808)
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#define ARMBITREVINDEXTABLE_4096_TABLE_LENGTH ((uint16_t)4032)
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extern const uint16_t armBitRevIndexTable16[ARMBITREVINDEXTABLE_16_TABLE_LENGTH];
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extern const uint16_t armBitRevIndexTable32[ARMBITREVINDEXTABLE_32_TABLE_LENGTH];
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extern const uint16_t armBitRevIndexTable64[ARMBITREVINDEXTABLE_64_TABLE_LENGTH];
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extern const uint16_t armBitRevIndexTable128[ARMBITREVINDEXTABLE_128_TABLE_LENGTH];
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extern const uint16_t armBitRevIndexTable256[ARMBITREVINDEXTABLE_256_TABLE_LENGTH];
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extern const uint16_t armBitRevIndexTable512[ARMBITREVINDEXTABLE_512_TABLE_LENGTH];
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extern const uint16_t armBitRevIndexTable1024[ARMBITREVINDEXTABLE_1024_TABLE_LENGTH];
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extern const uint16_t armBitRevIndexTable2048[ARMBITREVINDEXTABLE_2048_TABLE_LENGTH];
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extern const uint16_t armBitRevIndexTable4096[ARMBITREVINDEXTABLE_4096_TABLE_LENGTH];
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/* fixed-point bit reversal tables */
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#define ARMBITREVINDEXTABLE_FIXED_16_TABLE_LENGTH ((uint16_t)12)
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#define ARMBITREVINDEXTABLE_FIXED_32_TABLE_LENGTH ((uint16_t)24)
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#define ARMBITREVINDEXTABLE_FIXED_64_TABLE_LENGTH ((uint16_t)56)
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#define ARMBITREVINDEXTABLE_FIXED_128_TABLE_LENGTH ((uint16_t)112)
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#define ARMBITREVINDEXTABLE_FIXED_256_TABLE_LENGTH ((uint16_t)240)
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#define ARMBITREVINDEXTABLE_FIXED_512_TABLE_LENGTH ((uint16_t)480)
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#define ARMBITREVINDEXTABLE_FIXED_1024_TABLE_LENGTH ((uint16_t)992)
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#define ARMBITREVINDEXTABLE_FIXED_2048_TABLE_LENGTH ((uint16_t)1984)
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#define ARMBITREVINDEXTABLE_FIXED_4096_TABLE_LENGTH ((uint16_t)4032)
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extern const uint16_t armBitRevIndexTable_fixed_16[ARMBITREVINDEXTABLE_FIXED_16_TABLE_LENGTH];
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extern const uint16_t armBitRevIndexTable_fixed_32[ARMBITREVINDEXTABLE_FIXED_32_TABLE_LENGTH];
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extern const uint16_t armBitRevIndexTable_fixed_64[ARMBITREVINDEXTABLE_FIXED_64_TABLE_LENGTH];
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extern const uint16_t armBitRevIndexTable_fixed_128[ARMBITREVINDEXTABLE_FIXED_128_TABLE_LENGTH];
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extern const uint16_t armBitRevIndexTable_fixed_256[ARMBITREVINDEXTABLE_FIXED_256_TABLE_LENGTH];
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extern const uint16_t armBitRevIndexTable_fixed_512[ARMBITREVINDEXTABLE_FIXED_512_TABLE_LENGTH];
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extern const uint16_t armBitRevIndexTable_fixed_1024[ARMBITREVINDEXTABLE_FIXED_1024_TABLE_LENGTH];
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extern const uint16_t armBitRevIndexTable_fixed_2048[ARMBITREVINDEXTABLE_FIXED_2048_TABLE_LENGTH];
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extern const uint16_t armBitRevIndexTable_fixed_4096[ARMBITREVINDEXTABLE_FIXED_4096_TABLE_LENGTH];
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/* Tables for Fast Math Sine and Cosine */
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extern const float32_t sinTable_f32[FAST_MATH_TABLE_SIZE + 1];
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extern const q31_t sinTable_q31[FAST_MATH_TABLE_SIZE + 1];
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extern const q15_t sinTable_q15[FAST_MATH_TABLE_SIZE + 1];
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#endif /* ARM_COMMON_TABLES_H */
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