arm_common_tables.h 7.1 KB

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  1. /* ----------------------------------------------------------------------
  2. * Copyright (C) 2010-2014 ARM Limited. All rights reserved.
  3. *
  4. * $Date: 19. October 2015
  5. * $Revision: V.1.4.5 a
  6. *
  7. * Project: CMSIS DSP Library
  8. * Title: arm_common_tables.h
  9. *
  10. * Description: This file has extern declaration for common tables like Bitreverse, reciprocal etc which are used across different functions
  11. *
  12. * Target Processor: Cortex-M4/Cortex-M3
  13. *
  14. * Redistribution and use in source and binary forms, with or without
  15. * modification, are permitted provided that the following conditions
  16. * are met:
  17. * - Redistributions of source code must retain the above copyright
  18. * notice, this list of conditions and the following disclaimer.
  19. * - Redistributions in binary form must reproduce the above copyright
  20. * notice, this list of conditions and the following disclaimer in
  21. * the documentation and/or other materials provided with the
  22. * distribution.
  23. * - Neither the name of ARM LIMITED nor the names of its contributors
  24. * may be used to endorse or promote products derived from this
  25. * software without specific prior written permission.
  26. *
  27. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  28. * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  29. * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  30. * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
  31. * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  32. * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
  33. * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  34. * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  35. * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  36. * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  37. * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  38. * POSSIBILITY OF SUCH DAMAGE.
  39. * -------------------------------------------------------------------- */
  40. #ifndef _ARM_COMMON_TABLES_H
  41. #define _ARM_COMMON_TABLES_H
  42. #include "arm_math.h"
  43. extern const uint16_t armBitRevTable[1024];
  44. extern const q15_t armRecipTableQ15[64];
  45. extern const q31_t armRecipTableQ31[64];
  46. /* extern const q31_t realCoefAQ31[1024]; */
  47. /* extern const q31_t realCoefBQ31[1024]; */
  48. extern const float32_t twiddleCoef_16[32];
  49. extern const float32_t twiddleCoef_32[64];
  50. extern const float32_t twiddleCoef_64[128];
  51. extern const float32_t twiddleCoef_128[256];
  52. extern const float32_t twiddleCoef_256[512];
  53. extern const float32_t twiddleCoef_512[1024];
  54. extern const float32_t twiddleCoef_1024[2048];
  55. extern const float32_t twiddleCoef_2048[4096];
  56. extern const float32_t twiddleCoef_4096[8192];
  57. #define twiddleCoef twiddleCoef_4096
  58. extern const q31_t twiddleCoef_16_q31[24];
  59. extern const q31_t twiddleCoef_32_q31[48];
  60. extern const q31_t twiddleCoef_64_q31[96];
  61. extern const q31_t twiddleCoef_128_q31[192];
  62. extern const q31_t twiddleCoef_256_q31[384];
  63. extern const q31_t twiddleCoef_512_q31[768];
  64. extern const q31_t twiddleCoef_1024_q31[1536];
  65. extern const q31_t twiddleCoef_2048_q31[3072];
  66. extern const q31_t twiddleCoef_4096_q31[6144];
  67. extern const q15_t twiddleCoef_16_q15[24];
  68. extern const q15_t twiddleCoef_32_q15[48];
  69. extern const q15_t twiddleCoef_64_q15[96];
  70. extern const q15_t twiddleCoef_128_q15[192];
  71. extern const q15_t twiddleCoef_256_q15[384];
  72. extern const q15_t twiddleCoef_512_q15[768];
  73. extern const q15_t twiddleCoef_1024_q15[1536];
  74. extern const q15_t twiddleCoef_2048_q15[3072];
  75. extern const q15_t twiddleCoef_4096_q15[6144];
  76. extern const float32_t twiddleCoef_rfft_32[32];
  77. extern const float32_t twiddleCoef_rfft_64[64];
  78. extern const float32_t twiddleCoef_rfft_128[128];
  79. extern const float32_t twiddleCoef_rfft_256[256];
  80. extern const float32_t twiddleCoef_rfft_512[512];
  81. extern const float32_t twiddleCoef_rfft_1024[1024];
  82. extern const float32_t twiddleCoef_rfft_2048[2048];
  83. extern const float32_t twiddleCoef_rfft_4096[4096];
  84. /* floating-point bit reversal tables */
  85. #define ARMBITREVINDEXTABLE__16_TABLE_LENGTH ((uint16_t)20 )
  86. #define ARMBITREVINDEXTABLE__32_TABLE_LENGTH ((uint16_t)48 )
  87. #define ARMBITREVINDEXTABLE__64_TABLE_LENGTH ((uint16_t)56 )
  88. #define ARMBITREVINDEXTABLE_128_TABLE_LENGTH ((uint16_t)208 )
  89. #define ARMBITREVINDEXTABLE_256_TABLE_LENGTH ((uint16_t)440 )
  90. #define ARMBITREVINDEXTABLE_512_TABLE_LENGTH ((uint16_t)448 )
  91. #define ARMBITREVINDEXTABLE1024_TABLE_LENGTH ((uint16_t)1800)
  92. #define ARMBITREVINDEXTABLE2048_TABLE_LENGTH ((uint16_t)3808)
  93. #define ARMBITREVINDEXTABLE4096_TABLE_LENGTH ((uint16_t)4032)
  94. extern const uint16_t armBitRevIndexTable16[ARMBITREVINDEXTABLE__16_TABLE_LENGTH];
  95. extern const uint16_t armBitRevIndexTable32[ARMBITREVINDEXTABLE__32_TABLE_LENGTH];
  96. extern const uint16_t armBitRevIndexTable64[ARMBITREVINDEXTABLE__64_TABLE_LENGTH];
  97. extern const uint16_t armBitRevIndexTable128[ARMBITREVINDEXTABLE_128_TABLE_LENGTH];
  98. extern const uint16_t armBitRevIndexTable256[ARMBITREVINDEXTABLE_256_TABLE_LENGTH];
  99. extern const uint16_t armBitRevIndexTable512[ARMBITREVINDEXTABLE_512_TABLE_LENGTH];
  100. extern const uint16_t armBitRevIndexTable1024[ARMBITREVINDEXTABLE1024_TABLE_LENGTH];
  101. extern const uint16_t armBitRevIndexTable2048[ARMBITREVINDEXTABLE2048_TABLE_LENGTH];
  102. extern const uint16_t armBitRevIndexTable4096[ARMBITREVINDEXTABLE4096_TABLE_LENGTH];
  103. /* fixed-point bit reversal tables */
  104. #define ARMBITREVINDEXTABLE_FIXED___16_TABLE_LENGTH ((uint16_t)12 )
  105. #define ARMBITREVINDEXTABLE_FIXED___32_TABLE_LENGTH ((uint16_t)24 )
  106. #define ARMBITREVINDEXTABLE_FIXED___64_TABLE_LENGTH ((uint16_t)56 )
  107. #define ARMBITREVINDEXTABLE_FIXED__128_TABLE_LENGTH ((uint16_t)112 )
  108. #define ARMBITREVINDEXTABLE_FIXED__256_TABLE_LENGTH ((uint16_t)240 )
  109. #define ARMBITREVINDEXTABLE_FIXED__512_TABLE_LENGTH ((uint16_t)480 )
  110. #define ARMBITREVINDEXTABLE_FIXED_1024_TABLE_LENGTH ((uint16_t)992 )
  111. #define ARMBITREVINDEXTABLE_FIXED_2048_TABLE_LENGTH ((uint16_t)1984)
  112. #define ARMBITREVINDEXTABLE_FIXED_4096_TABLE_LENGTH ((uint16_t)4032)
  113. extern const uint16_t armBitRevIndexTable_fixed_16[ARMBITREVINDEXTABLE_FIXED___16_TABLE_LENGTH];
  114. extern const uint16_t armBitRevIndexTable_fixed_32[ARMBITREVINDEXTABLE_FIXED___32_TABLE_LENGTH];
  115. extern const uint16_t armBitRevIndexTable_fixed_64[ARMBITREVINDEXTABLE_FIXED___64_TABLE_LENGTH];
  116. extern const uint16_t armBitRevIndexTable_fixed_128[ARMBITREVINDEXTABLE_FIXED__128_TABLE_LENGTH];
  117. extern const uint16_t armBitRevIndexTable_fixed_256[ARMBITREVINDEXTABLE_FIXED__256_TABLE_LENGTH];
  118. extern const uint16_t armBitRevIndexTable_fixed_512[ARMBITREVINDEXTABLE_FIXED__512_TABLE_LENGTH];
  119. extern const uint16_t armBitRevIndexTable_fixed_1024[ARMBITREVINDEXTABLE_FIXED_1024_TABLE_LENGTH];
  120. extern const uint16_t armBitRevIndexTable_fixed_2048[ARMBITREVINDEXTABLE_FIXED_2048_TABLE_LENGTH];
  121. extern const uint16_t armBitRevIndexTable_fixed_4096[ARMBITREVINDEXTABLE_FIXED_4096_TABLE_LENGTH];
  122. /* Tables for Fast Math Sine and Cosine */
  123. extern const float32_t sinTable_f32[FAST_MATH_TABLE_SIZE + 1];
  124. extern const q31_t sinTable_q31[FAST_MATH_TABLE_SIZE + 1];
  125. extern const q15_t sinTable_q15[FAST_MATH_TABLE_SIZE + 1];
  126. #endif /* ARM_COMMON_TABLES_H */