visus
/
teensy-core-4.1
Watch 1
Star 0
Fork 0
Code Issues 0 Pull Requests 0 Releases 0 Wiki Activity
Teensy 4.1 core updated for C++20
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
362 Commits
2 Branches
Tree: 50e173b3fc
Branches Tags
${ item.name }
Create branch ${ searchTerm }
from '50e173b3fc'
${ noResults }
teensy-core-4.1/teensy3/usb_audio.h

40 lines
963B
Raw Blame History 

  1. #ifndef USBaudio_h_

  2. #define USBaudio_h_

  3. 

  4. #include "usb_desc.h"

  5. #ifdef AUDIO_INTERFACE

  6. 

  7. #ifdef __cplusplus

  8. extern "C" {

  9. #endif

  10. extern uint16_t usb_audio_receive_buffer[];

  11. extern uint16_t usb_audio_transmit_buffer[];

  12. extern void usb_audio_receive_callback(unsigned int len);

  13. extern unsigned int usb_audio_transmit_callback(void);

  14. extern uint32_t usb_audio_sync_feedback;

  15. #ifdef __cplusplus

  16. }

  17. 

  18. #include "AudioStream.h"

  19. 

  20. class AudioInputUSB : public AudioStream

  21. {

  22. public:

  23. 	AudioInputUSB(void) : AudioStream(0, NULL) { begin(); }

  24. 	virtual void update(void);

  25. 	void begin(void);

  26. 	friend void usb_audio_receive_callback(unsigned int len);

  27. private:

  28. 	static bool update_responsibility;

  29. 	static audio_block_t *incoming_left;

  30. 	static audio_block_t *incoming_right;

  31. 	static audio_block_t *ready_left;

  32. 	static audio_block_t *ready_right;

  33. 	static uint16_t incoming_count;

  34. 	static uint8_t underflow_flag;

  35. };

  36. 

  37. #endif // __cplusplus

  38. #endif // AUDIO_INTERFACE

  39. #endif // USBaudio_h_