arm_common_tables.h 5.9 KB

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  1. /* ----------------------------------------------------------------------
  2. * Project: CMSIS DSP Library
  3. * Title: arm_common_tables.h
  4. * Description: Extern declaration for common tables
  5. *
  6. * $Date: 27. January 2017
  7. * $Revision: V.1.5.1
  8. *
  9. * Target Processor: Cortex-M cores
  10. * -------------------------------------------------------------------- */
  11. /*
  12. * Copyright (C) 2010-2017 ARM Limited or its affiliates. All rights reserved.
  13. *
  14. * SPDX-License-Identifier: Apache-2.0
  15. *
  16. * Licensed under the Apache License, Version 2.0 (the License); you may
  17. * not use this file except in compliance with the License.
  18. * You may obtain a copy of the License at
  19. *
  20. * www.apache.org/licenses/LICENSE-2.0
  21. *
  22. * Unless required by applicable law or agreed to in writing, software
  23. * distributed under the License is distributed on an AS IS BASIS, WITHOUT
  24. * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  25. * See the License for the specific language governing permissions and
  26. * limitations under the License.
  27. */
  28. #ifndef _ARM_COMMON_TABLES_H
  29. #define _ARM_COMMON_TABLES_H
  30. #include "arm_math.h"
  31. extern const uint16_t armBitRevTable[1024];
  32. extern const q15_t armRecipTableQ15[64];
  33. extern const q31_t armRecipTableQ31[64];
  34. extern const float32_t twiddleCoef_16[32];
  35. extern const float32_t twiddleCoef_32[64];
  36. extern const float32_t twiddleCoef_64[128];
  37. extern const float32_t twiddleCoef_128[256];
  38. extern const float32_t twiddleCoef_256[512];
  39. extern const float32_t twiddleCoef_512[1024];
  40. extern const float32_t twiddleCoef_1024[2048];
  41. extern const float32_t twiddleCoef_2048[4096];
  42. extern const float32_t twiddleCoef_4096[8192];
  43. #define twiddleCoef twiddleCoef_4096
  44. extern const q31_t twiddleCoef_16_q31[24];
  45. extern const q31_t twiddleCoef_32_q31[48];
  46. extern const q31_t twiddleCoef_64_q31[96];
  47. extern const q31_t twiddleCoef_128_q31[192];
  48. extern const q31_t twiddleCoef_256_q31[384];
  49. extern const q31_t twiddleCoef_512_q31[768];
  50. extern const q31_t twiddleCoef_1024_q31[1536];
  51. extern const q31_t twiddleCoef_2048_q31[3072];
  52. extern const q31_t twiddleCoef_4096_q31[6144];
  53. extern const q15_t twiddleCoef_16_q15[24];
  54. extern const q15_t twiddleCoef_32_q15[48];
  55. extern const q15_t twiddleCoef_64_q15[96];
  56. extern const q15_t twiddleCoef_128_q15[192];
  57. extern const q15_t twiddleCoef_256_q15[384];
  58. extern const q15_t twiddleCoef_512_q15[768];
  59. extern const q15_t twiddleCoef_1024_q15[1536];
  60. extern const q15_t twiddleCoef_2048_q15[3072];
  61. extern const q15_t twiddleCoef_4096_q15[6144];
  62. extern const float32_t twiddleCoef_rfft_32[32];
  63. extern const float32_t twiddleCoef_rfft_64[64];
  64. extern const float32_t twiddleCoef_rfft_128[128];
  65. extern const float32_t twiddleCoef_rfft_256[256];
  66. extern const float32_t twiddleCoef_rfft_512[512];
  67. extern const float32_t twiddleCoef_rfft_1024[1024];
  68. extern const float32_t twiddleCoef_rfft_2048[2048];
  69. extern const float32_t twiddleCoef_rfft_4096[4096];
  70. /* floating-point bit reversal tables */
  71. #define ARMBITREVINDEXTABLE_16_TABLE_LENGTH ((uint16_t)20)
  72. #define ARMBITREVINDEXTABLE_32_TABLE_LENGTH ((uint16_t)48)
  73. #define ARMBITREVINDEXTABLE_64_TABLE_LENGTH ((uint16_t)56)
  74. #define ARMBITREVINDEXTABLE_128_TABLE_LENGTH ((uint16_t)208)
  75. #define ARMBITREVINDEXTABLE_256_TABLE_LENGTH ((uint16_t)440)
  76. #define ARMBITREVINDEXTABLE_512_TABLE_LENGTH ((uint16_t)448)
  77. #define ARMBITREVINDEXTABLE_1024_TABLE_LENGTH ((uint16_t)1800)
  78. #define ARMBITREVINDEXTABLE_2048_TABLE_LENGTH ((uint16_t)3808)
  79. #define ARMBITREVINDEXTABLE_4096_TABLE_LENGTH ((uint16_t)4032)
  80. extern const uint16_t armBitRevIndexTable16[ARMBITREVINDEXTABLE_16_TABLE_LENGTH];
  81. extern const uint16_t armBitRevIndexTable32[ARMBITREVINDEXTABLE_32_TABLE_LENGTH];
  82. extern const uint16_t armBitRevIndexTable64[ARMBITREVINDEXTABLE_64_TABLE_LENGTH];
  83. extern const uint16_t armBitRevIndexTable128[ARMBITREVINDEXTABLE_128_TABLE_LENGTH];
  84. extern const uint16_t armBitRevIndexTable256[ARMBITREVINDEXTABLE_256_TABLE_LENGTH];
  85. extern const uint16_t armBitRevIndexTable512[ARMBITREVINDEXTABLE_512_TABLE_LENGTH];
  86. extern const uint16_t armBitRevIndexTable1024[ARMBITREVINDEXTABLE_1024_TABLE_LENGTH];
  87. extern const uint16_t armBitRevIndexTable2048[ARMBITREVINDEXTABLE_2048_TABLE_LENGTH];
  88. extern const uint16_t armBitRevIndexTable4096[ARMBITREVINDEXTABLE_4096_TABLE_LENGTH];
  89. /* fixed-point bit reversal tables */
  90. #define ARMBITREVINDEXTABLE_FIXED_16_TABLE_LENGTH ((uint16_t)12)
  91. #define ARMBITREVINDEXTABLE_FIXED_32_TABLE_LENGTH ((uint16_t)24)
  92. #define ARMBITREVINDEXTABLE_FIXED_64_TABLE_LENGTH ((uint16_t)56)
  93. #define ARMBITREVINDEXTABLE_FIXED_128_TABLE_LENGTH ((uint16_t)112)
  94. #define ARMBITREVINDEXTABLE_FIXED_256_TABLE_LENGTH ((uint16_t)240)
  95. #define ARMBITREVINDEXTABLE_FIXED_512_TABLE_LENGTH ((uint16_t)480)
  96. #define ARMBITREVINDEXTABLE_FIXED_1024_TABLE_LENGTH ((uint16_t)992)
  97. #define ARMBITREVINDEXTABLE_FIXED_2048_TABLE_LENGTH ((uint16_t)1984)
  98. #define ARMBITREVINDEXTABLE_FIXED_4096_TABLE_LENGTH ((uint16_t)4032)
  99. extern const uint16_t armBitRevIndexTable_fixed_16[ARMBITREVINDEXTABLE_FIXED_16_TABLE_LENGTH];
  100. extern const uint16_t armBitRevIndexTable_fixed_32[ARMBITREVINDEXTABLE_FIXED_32_TABLE_LENGTH];
  101. extern const uint16_t armBitRevIndexTable_fixed_64[ARMBITREVINDEXTABLE_FIXED_64_TABLE_LENGTH];
  102. extern const uint16_t armBitRevIndexTable_fixed_128[ARMBITREVINDEXTABLE_FIXED_128_TABLE_LENGTH];
  103. extern const uint16_t armBitRevIndexTable_fixed_256[ARMBITREVINDEXTABLE_FIXED_256_TABLE_LENGTH];
  104. extern const uint16_t armBitRevIndexTable_fixed_512[ARMBITREVINDEXTABLE_FIXED_512_TABLE_LENGTH];
  105. extern const uint16_t armBitRevIndexTable_fixed_1024[ARMBITREVINDEXTABLE_FIXED_1024_TABLE_LENGTH];
  106. extern const uint16_t armBitRevIndexTable_fixed_2048[ARMBITREVINDEXTABLE_FIXED_2048_TABLE_LENGTH];
  107. extern const uint16_t armBitRevIndexTable_fixed_4096[ARMBITREVINDEXTABLE_FIXED_4096_TABLE_LENGTH];
  108. /* Tables for Fast Math Sine and Cosine */
  109. extern const float32_t sinTable_f32[FAST_MATH_TABLE_SIZE + 1];
  110. extern const q31_t sinTable_q31[FAST_MATH_TABLE_SIZE + 1];
  111. extern const q15_t sinTable_q15[FAST_MATH_TABLE_SIZE + 1];
  112. #endif /* ARM_COMMON_TABLES_H */