<alp/i2s.h> — I²S / SAI

Raw I²S / SAI bus access. For higher-level audio capture and playback, use <alp/audio.h>.

Header

#include <alp/i2s.h>

Quick example

alp_i2s_t *i2s = alp_i2s_open(&(alp_i2s_config_t){
    .bus_id        = E1M_I2S0,
    .mode          = ALP_I2S_MODE_MASTER,
    .sample_rate_hz= 44100,
    .channels      = 2,
    .bit_depth     = 16,
    .direction     = ALP_I2S_DIR_TX,
});

alp_i2s_write(i2s, pcm_buffer, frame_count);
alp_i2s_close(i2s);

See also

• <alp/audio.h> — high-level audio
• Examples: i2s-tone