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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. #ifndef output_ADAT_h_
  24. #define output_ADAT_h_
  25. #include "Arduino.h"
  26. #include "AudioStream.h"
  27. #include "DMAChannel.h"
  28. class AudioOutputADAT : public AudioStream
  29. {
  30. public:
  31. AudioOutputADAT(void) : AudioStream(8, inputQueueArray) { begin(); }
  32. virtual void update(void);
  33. void begin(void);
  34. static void mute_PCM(const bool mute);
  35. protected:
  36. AudioOutputADAT(int dummy): AudioStream(8, inputQueueArray) {}
  37. static void config_ADAT(void);
  38. static audio_block_t *block_ch1_1st;
  39. static audio_block_t *block_ch2_1st;
  40. static audio_block_t *block_ch3_1st;
  41. static audio_block_t *block_ch4_1st;
  42. static audio_block_t *block_ch5_1st;
  43. static audio_block_t *block_ch6_1st;
  44. static audio_block_t *block_ch7_1st;
  45. static audio_block_t *block_ch8_1st;
  46. static bool update_responsibility;
  47. static DMAChannel dma;
  48. static void isr(void);
  49. static void setI2SFreq(int freq);
  50. private:
  51. //static uint32_t vucp;
  52. static audio_block_t *block_ch1_2nd;
  53. static audio_block_t *block_ch2_2nd;
  54. static audio_block_t *block_ch3_2nd;
  55. static audio_block_t *block_ch4_2nd;
  56. static audio_block_t *block_ch5_2nd;
  57. static audio_block_t *block_ch6_2nd;
  58. static audio_block_t *block_ch7_2nd;
  59. static audio_block_t *block_ch8_2nd;
  60. static uint16_t ch1_offset;
  61. static uint16_t ch2_offset;
  62. static uint16_t ch3_offset;
  63. static uint16_t ch4_offset;
  64. static uint16_t ch5_offset;
  65. static uint16_t ch6_offset;
  66. static uint16_t ch7_offset;
  67. static uint16_t ch8_offset;
  68. audio_block_t *inputQueueArray[8];
  69. };
  70. #endif