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teensy-audio/include/audio/output_adat.h

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  1. /* ADAT for Teensy 3.X

  2.  * Copyright (c) 2017, Ernstjan Freriks,

  3.  * Thanks to Frank Bösing & KPC & Paul Stoffregen!

  4.  *

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

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

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

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

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

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

  11.  *

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

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

  14.  *

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

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

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

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

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

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

  21.  * THE SOFTWARE.

  22.  */

  23. 

  24. #ifndef output_ADAT_h_

  25. #define output_ADAT_h_

  26. 

  27. #include <core/Arduino.h>

  28. #include <core/AudioStream.h>

  29. #include <core/DMAChannel.h>

  30. 

  31. class AudioOutputADAT : public AudioStream

  32. {

  33. public:

  34. 	AudioOutputADAT(void) : AudioStream(8, inputQueueArray) { begin(); }

  35. 	virtual void update(void);

  36. 	void begin(void);

  37. 	static void mute_PCM(const bool mute);

  38. protected:

  39. 	AudioOutputADAT(int dummy): AudioStream(8, inputQueueArray) {}

  40. 	static void config_ADAT(void);

  41. 	static audio_block_t *block_ch1_1st;

  42. 	static audio_block_t *block_ch2_1st;

  43. 	static audio_block_t *block_ch3_1st;

  44. 	static audio_block_t *block_ch4_1st;

  45. 	static audio_block_t *block_ch5_1st;

  46. 	static audio_block_t *block_ch6_1st;

  47. 	static audio_block_t *block_ch7_1st;

  48. 	static audio_block_t *block_ch8_1st;

  49. 	static bool update_responsibility;

  50. 	static DMAChannel dma;

  51. 	static void isr(void);

  52. 	static void setI2SFreq(int freq);

  53. private:

  54. 	//static uint32_t vucp;

  55. 	static audio_block_t *block_ch1_2nd;

  56. 	static audio_block_t *block_ch2_2nd;

  57. 	static audio_block_t *block_ch3_2nd;

  58. 	static audio_block_t *block_ch4_2nd;

  59. 	static audio_block_t *block_ch5_2nd;

  60. 	static audio_block_t *block_ch6_2nd;

  61. 	static audio_block_t *block_ch7_2nd;

  62. 	static audio_block_t *block_ch8_2nd;

  63. 	static uint16_t ch1_offset;

  64. 	static uint16_t ch2_offset;

  65. 	static uint16_t ch3_offset;

  66. 	static uint16_t ch4_offset;

  67. 	static uint16_t ch5_offset;

  68. 	static uint16_t ch6_offset;

  69. 	static uint16_t ch7_offset;

  70. 	static uint16_t ch8_offset;

  71. 	audio_block_t *inputQueueArray[8];

  72. };

  73. 

  74. 

  75. #endif