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teensy-audio/Audio.h

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  1. /* Audio Library for Teensy 3.X

  2.  * Copyright (c) 2014, Paul Stoffregen, paul@pjrc.com

  3.  *

  4.  * Development of this audio library was funded by PJRC.COM, LLC by sales of

  5.  * Teensy and Audio Adaptor boards.  Please support PJRC's efforts to develop

  6.  * open source software by purchasing Teensy or other PJRC products.

  7.  *

  8.  * Permission is hereby granted, free of charge, to any person obtaining a copy

  9.  * of this software and associated documentation files (the "Software"), to deal

  10.  * in the Software without restriction, including without limitation the rights

  11.  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

  12.  * copies of the Software, and to permit persons to whom the Software is

  13.  * furnished to do so, subject to the following conditions:

  14.  *

  15.  * The above copyright notice, development funding notice, and this permission

  16.  * notice shall be included in all copies or substantial portions of the Software.

  17.  *

  18.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

  19.  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

  20.  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

  21.  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

  22.  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

  23.  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN

  24.  * THE SOFTWARE.

  25.  */

  26. 

  27. #ifndef Audio_h_

  28. #define Audio_h_

  29. 

  30. #if TEENSYDUINO < 120

  31. #error "Teensyduino version 1.20 or later is required to compile the Audio library."

  32. #endif

  33. #ifdef __AVR__

  34. #error "The Audio Library only works with Teensy 3.X.  Teensy 2.0 is unsupported."

  35. #endif

  36. 

  37. #include "DMAChannel.h"

  38. #if !defined(DMACHANNEL_HAS_BEGIN) || !defined(DMACHANNEL_HAS_BOOLEAN_CTOR)

  39. #error "You need to update DMAChannel.h & DMAChannel.cpp"

  40. #error "https://github.com/PaulStoffregen/cores/blob/master/teensy3/DMAChannel.h"

  41. #error "https://github.com/PaulStoffregen/cores/blob/master/teensy3/DMAChannel.cpp"

  42. #endif

  43. 

  44. // When changing multiple audio object settings that must update at

  45. // the same time, these functions allow the audio library interrupt

  46. // to be disabled.  For example, you may wish to begin playing a note

  47. // in response to reading an analog sensor.  If you have "velocity"

  48. // information, you might start the sample playing and also adjust

  49. // the gain of a mixer channel.  Use AudioNoInterrupts() first, then

  50. // make both changes to the 2 separate objects.  Then allow the audio

  51. // library to update with AudioInterrupts().  Both changes will happen

  52. // at the same time, because AudioNoInterrupts() prevents any updates

  53. // while you make changes.

  54. //

  55. #define AudioNoInterrupts() (NVIC_DISABLE_IRQ(IRQ_SOFTWARE))

  56. #define AudioInterrupts()   (NVIC_ENABLE_IRQ(IRQ_SOFTWARE))

  57. 

  58. // include all the library headers, so a sketch can use a single

  59. // #include <Audio.h> to get the whole library

  60. //

  61. #include "analyze_fft256.h"

  62. #include "analyze_fft1024.h"

  63. #include "analyze_print.h"

  64. #include "analyze_tonedetect.h"

  65. #include "analyze_notefreq.h"

  66. #include "analyze_peak.h"

  67. #include "analyze_rms.h"

  68. #include "control_sgtl5000.h"

  69. #include "control_wm8731.h"

  70. #include "control_ak4558.h"

  71. #include "control_cs4272.h"

  72. #include "control_cs42448.h"

  73. #include "control_tlv320aic3206.h"

  74. #include "effect_bitcrusher.h"

  75. #include "effect_chorus.h"

  76. #include "effect_fade.h"

  77. #include "effect_flange.h"

  78. #include "effect_envelope.h"

  79. #include "effect_multiply.h"

  80. #include "effect_delay.h"

  81. #include "effect_delay_ext.h"

  82. #include "effect_midside.h"

  83. #include "effect_reverb.h"

  84. #include "effect_freeverb.h"

  85. #include "effect_waveshaper.h"

  86. #include "effect_granular.h"

  87. #include "effect_combine.h"

  88. #include "filter_biquad.h"

  89. #include "filter_fir.h"

  90. #include "filter_variable.h"

  91. #include "input_adc.h"

  92. #include "input_adcs.h"

  93. #include "input_i2s.h"

  94. #include "input_i2s_quad.h"

  95. #include "input_tdm.h"

  96. #include "input_pdm.h"

  97. #include "mixer.h"

  98. #include "output_dac.h"

  99. #include "output_dacs.h"

  100. #include "output_i2s.h"

  101. #include "output_i2s_quad.h"

  102. #include "output_pwm.h"

  103. #include "output_spdif.h"

  104. #include "output_pt8211.h"

  105. #include "output_tdm.h"

  106. #include "output_adat.h"

  107. #include "play_memory.h"

  108. #include "play_queue.h"

  109. #include "play_sd_raw.h"

  110. #include "play_sd_wav.h"

  111. #include "play_serialflash_raw.h"

  112. #include "record_queue.h"

  113. #include "synth_tonesweep.h"

  114. #include "synth_sine.h"

  115. #include "synth_waveform.h"

  116. #include "synth_dc.h"

  117. #include "synth_whitenoise.h"

  118. #include "synth_pinknoise.h"

  119. #include "synth_karplusstrong.h"

  120. #include "synth_simple_drum.h"

  121. #include "synth_pwm.h"

  122. #include "synth_wavetable.h"

  123. 

  124. #endif