-
-
-
-
- #ifndef output_pt8211_h_
- #define output_pt8211_h_
-
-
- #define AUDIO_PT8211_OVERSAMPLING
-
-
- #define AUDIO_PT8211_INTERPOLATION_CIC
-
- #include "Arduino.h"
- #include "AudioStream.h"
- #include "DMAChannel.h"
-
- class AudioOutputPT8211 : public AudioStream
- {
- public:
- AudioOutputPT8211(void) : AudioStream(2, inputQueueArray) { begin(); }
- virtual void update(void);
- void begin(void);
- protected:
- static void config_i2s(void);
- static audio_block_t *block_left_1st;
- static audio_block_t *block_right_1st;
- static bool update_responsibility;
- static DMAChannel dma;
- static void isr(void)
- #if defined(AUDIO_PT8211_OVERSAMPLING)
- __attribute__((optimize("unroll-loops")))
- #endif
- ;
- private:
- static audio_block_t *block_left_2nd;
- static audio_block_t *block_right_2nd;
- static uint16_t block_left_offset;
- static uint16_t block_right_offset;
- audio_block_t *inputQueueArray[2];
- };
-
-
-
-
- #endif
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