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Diffstat (limited to 'DSP/Include/arm_common_tables.h')
| -rw-r--r-- | DSP/Include/arm_common_tables.h | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/DSP/Include/arm_common_tables.h b/DSP/Include/arm_common_tables.h new file mode 100644 index 0000000..dfea746 --- /dev/null +++ b/DSP/Include/arm_common_tables.h @@ -0,0 +1,121 @@ +/* ---------------------------------------------------------------------- + * Project: CMSIS DSP Library + * Title: arm_common_tables.h + * Description: Extern declaration for common tables + * + * $Date: 27. January 2017 + * $Revision: V.1.5.1 + * + * Target Processor: Cortex-M cores + * -------------------------------------------------------------------- */ +/* + * Copyright (C) 2010-2017 ARM Limited or its affiliates. All rights reserved. + * + * SPDX-License-Identifier: Apache-2.0 + * + * Licensed under the Apache License, Version 2.0 (the License); you may + * not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an AS IS BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#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 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 ARMBITREVINDEXTABLE_1024_TABLE_LENGTH ((uint16_t)1800) +#define ARMBITREVINDEXTABLE_2048_TABLE_LENGTH ((uint16_t)3808) +#define ARMBITREVINDEXTABLE_4096_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[ARMBITREVINDEXTABLE_1024_TABLE_LENGTH]; +extern const uint16_t armBitRevIndexTable2048[ARMBITREVINDEXTABLE_2048_TABLE_LENGTH]; +extern const uint16_t armBitRevIndexTable4096[ARMBITREVINDEXTABLE_4096_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 */ |