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-
-
- #ifndef output_i2s_h_
- #define output_i2s_h_
-
- #include <Arduino.h>
- #include <AudioStream.h>
- #include <DMAChannel.h>
-
-
- #if !defined(KINETISL)
-
- class AudioOutputI2S : public AudioStream
- {
- public:
- AudioOutputI2S(void) : AudioStream(2, inputQueueArray) { begin(); }
- virtual void update(void);
- void begin(void);
- friend class AudioInputI2S;
- #if defined(__IMXRT1062__)
- friend class AudioOutputI2SQuad;
- friend class AudioInputI2SQuad;
- friend class AudioOutputI2SHex;
- friend class AudioInputI2SHex;
- friend class AudioOutputI2SOct;
- friend class AudioInputI2SOct;
- #endif
- protected:
- AudioOutputI2S(int dummy): AudioStream(2, inputQueueArray) {}
- 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);
- 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];
- };
-
-
- class AudioOutputI2Sslave : public AudioOutputI2S
- {
- public:
- AudioOutputI2Sslave(void) : AudioOutputI2S(0) { begin(); } ;
- void begin(void);
- friend class AudioInputI2Sslave;
- friend void dma_ch0_isr(void);
- protected:
- static void config_i2s(void);
- };
-
- #elif defined(KINETISL)
-
-
-
- class AudioOutputI2S : public AudioStream
- {
- public:
- AudioOutputI2S(void) : AudioStream(2, inputQueueArray) { begin(); }
- virtual void update(void);
- void begin(void);
- friend class AudioInputI2S;
- protected:
- AudioOutputI2S(int dummy): AudioStream(2, inputQueueArray) {}
- static void config_i2s(void);
- static audio_block_t *block_left;
- static audio_block_t *block_right;
- static bool update_responsibility;
- static DMAChannel dma1;
- static DMAChannel dma2;
- static void isr1(void);
- static void isr2(void);
- private:
- audio_block_t *inputQueueArray[2];
- };
-
-
- class AudioOutputI2Sslave : public AudioOutputI2S
- {
- public:
- AudioOutputI2Sslave(void) : AudioOutputI2S(0) { begin(); } ;
- void begin(void);
- friend class AudioInputI2Sslave;
- friend void dma_ch0_isr(void);
- friend void dma_ch1_isr(void);
- protected:
- static void config_i2s(void);
- };
-
- #endif
-
- #endif
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