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nzasch
2023-07-02 17:09:41 +02:00
commit bfd044a2cb
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squeow_sw/Inc/squeow.h Normal file
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#define STATO_AUDIO_DISCONNESSO 0
#define STATO_AUDIO_CONNESSO 1
#define STATO_AUDIO_RIPRODUZIONE 2
#define STATO_AUDIO_TONO 3
#define STATO_AUDIO_ADC 4
#define SAMPLES_BUFFER_SIZE (1024) ///< deve essere ^2
#define SAMPLES_BUFFER_SIZE_MASK (SAMPLES_BUFFER_SIZE - 1)
#define SINE_INCREMENT 0.314
#define VU_DELAY 0x3FF
extern uint8_t stato_audio;
extern char display_buffer[16];
extern uint16_t pwm_value, sample_value;
extern uint8_t rails_number;
extern uint16_t samples_ringbuf[SAMPLES_BUFFER_SIZE]; ///< buffer ad anello dei dati RX
extern uint16_t samples_ringbuf_input_index, samples_ringbuf_output_index;
uint32_t sat_sub(uint16_t x, uint16_t y);
uint16_t u16_sine(void);
uint16_t u12_sine(void);
void store_sample(uint16_t sample);
void store_samples(uint16_t *data, uint16_t size);