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sequence.h 1.5KB

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  1. /*
  2. * sequence.h
  3. *
  4. * Copyright (c) 2024 Thomas Buck (thomas@xythobuz.de)
  5. *
  6. * This program is free software: you can redistribute it and/or modify
  7. * it under the terms of the GNU General Public License as published by
  8. * the Free Software Foundation, either version 3 of the License, or
  9. * (at your option) any later version.
  10. *
  11. * This program is distributed in the hope that it will be useful,
  12. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14. * GNU General Public License for more details.
  15. *
  16. * See <http://www.gnu.org/licenses/>.
  17. */
  18. #ifndef __SEQUENCE_H__
  19. #define __SEQUENCE_H__
  20. #include <stdint.h>
  21. #include "buttons.h"
  22. enum channels {
  23. CH1 = (1 << 0),
  24. CH2 = (1 << 1),
  25. CH3 = (1 << 2),
  26. CH_KICK = CH1,
  27. CH_SNARE = CH2,
  28. CH_HIHAT = CH3,
  29. NUM_CHANNELS = 3
  30. };
  31. #define CH_GPIO_TIMINGS { 42, 42, 42 } // in milliseconds
  32. #define MAX_BEATS 128
  33. #define MAX_BANKS (MAX_BEATS / NUM_BTNS)
  34. void sequence_init(void);
  35. void sequence_set_bpm(uint32_t new_bpm);
  36. uint32_t sequence_get_bpm(void);
  37. uint32_t sequence_get_ms(void);
  38. void sequence_set_beats(uint32_t new_beats);
  39. uint32_t sequence_get_beats(void);
  40. void sequence_set_bank(uint32_t new_bank);
  41. uint32_t sequence_get_bank(void);
  42. void sequence_handle_button_loopstation(enum buttons btn, bool rec);
  43. void sequence_handle_button_drummachine(enum buttons btn);
  44. void sequence_looptime(bool fin);
  45. void sequence_run(void);
  46. #endif // __SEQUENCE_H__