arm_common_tables.h 4.6 KB

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  1. /* ----------------------------------------------------------------------
  2. * Copyright (C) 2010-2013 ARM Limited. All rights reserved.
  3. *
  4. * $Date: 17. January 2013
  5. * $Revision: V1.4.1
  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 twiddleCoefQ31[6144];
  59. extern const q15_t twiddleCoefQ15[6144];
  60. extern const float32_t twiddleCoef_rfft_32[32];
  61. extern const float32_t twiddleCoef_rfft_64[64];
  62. extern const float32_t twiddleCoef_rfft_128[128];
  63. extern const float32_t twiddleCoef_rfft_256[256];
  64. extern const float32_t twiddleCoef_rfft_512[512];
  65. extern const float32_t twiddleCoef_rfft_1024[1024];
  66. extern const float32_t twiddleCoef_rfft_2048[2048];
  67. extern const float32_t twiddleCoef_rfft_4096[4096];
  68. #define ARMBITREVINDEXTABLE__16_TABLE_LENGTH ((uint16_t)20 )
  69. #define ARMBITREVINDEXTABLE__32_TABLE_LENGTH ((uint16_t)48 )
  70. #define ARMBITREVINDEXTABLE__64_TABLE_LENGTH ((uint16_t)56 )
  71. #define ARMBITREVINDEXTABLE_128_TABLE_LENGTH ((uint16_t)208 )
  72. #define ARMBITREVINDEXTABLE_256_TABLE_LENGTH ((uint16_t)440 )
  73. #define ARMBITREVINDEXTABLE_512_TABLE_LENGTH ((uint16_t)448 )
  74. #define ARMBITREVINDEXTABLE1024_TABLE_LENGTH ((uint16_t)1800)
  75. #define ARMBITREVINDEXTABLE2048_TABLE_LENGTH ((uint16_t)3808)
  76. #define ARMBITREVINDEXTABLE4096_TABLE_LENGTH ((uint16_t)4032)
  77. extern const uint16_t armBitRevIndexTable16[ARMBITREVINDEXTABLE__16_TABLE_LENGTH];
  78. extern const uint16_t armBitRevIndexTable32[ARMBITREVINDEXTABLE__32_TABLE_LENGTH];
  79. extern const uint16_t armBitRevIndexTable64[ARMBITREVINDEXTABLE__64_TABLE_LENGTH];
  80. extern const uint16_t armBitRevIndexTable128[ARMBITREVINDEXTABLE_128_TABLE_LENGTH];
  81. extern const uint16_t armBitRevIndexTable256[ARMBITREVINDEXTABLE_256_TABLE_LENGTH];
  82. extern const uint16_t armBitRevIndexTable512[ARMBITREVINDEXTABLE_512_TABLE_LENGTH];
  83. extern const uint16_t armBitRevIndexTable1024[ARMBITREVINDEXTABLE1024_TABLE_LENGTH];
  84. extern const uint16_t armBitRevIndexTable2048[ARMBITREVINDEXTABLE2048_TABLE_LENGTH];
  85. extern const uint16_t armBitRevIndexTable4096[ARMBITREVINDEXTABLE4096_TABLE_LENGTH];
  86. #endif /* ARM_COMMON_TABLES_H */