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| /* ---------------------------------------------------------------------- | ||||
| * Copyright (C) 2010-2013 ARM Limited. All rights reserved. | ||||
| * | ||||
| * $Date:        17. January 2013 | ||||
| * $Revision:    V1.4.1 | ||||
| * | ||||
| * 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 twiddleCoefQ31[6144]; | ||||
| extern const q15_t twiddleCoefQ15[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]; | ||||
|  | ||||
|  | ||||
| #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]; | ||||
|  | ||||
| #endif /*  ARM_COMMON_TABLES_H */ | ||||
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