Struct esp_idf_sys::i2s_pdm_tx_slot_config_t
source · #[repr(C)]pub struct i2s_pdm_tx_slot_config_t {Show 13 fields
pub data_bit_width: i2s_data_bit_width_t,
pub slot_bit_width: i2s_slot_bit_width_t,
pub slot_mode: i2s_slot_mode_t,
pub sd_prescale: u32,
pub sd_scale: i2s_pdm_sig_scale_t,
pub hp_scale: i2s_pdm_sig_scale_t,
pub lp_scale: i2s_pdm_sig_scale_t,
pub sinc_scale: i2s_pdm_sig_scale_t,
pub line_mode: i2s_pdm_tx_line_mode_t,
pub hp_en: bool,
pub hp_cut_off_freq_hz: f32,
pub sd_dither: u32,
pub sd_dither2: u32,
}
Expand description
@brief I2S slot configuration for pdm tx mode
Fields§
§data_bit_width: i2s_data_bit_width_t
< I2S sample data bit width (valid data bits per sample), only support 16 bits for PDM mode
slot_bit_width: i2s_slot_bit_width_t
< I2S slot bit width (total bits per slot), only support 16 bits for PDM mode
slot_mode: i2s_slot_mode_t
< Set mono or stereo mode with I2S_SLOT_MODE_MONO or I2S_SLOT_MODE_STEREO For PDM TX mode, mono means the data buffer only contains one slot data, Stereo means the data buffer contains two slots data
sd_prescale: u32
< Sigma-delta filter prescale
sd_scale: i2s_pdm_sig_scale_t
< Sigma-delta filter scaling value
hp_scale: i2s_pdm_sig_scale_t
< High pass filter scaling value
lp_scale: i2s_pdm_sig_scale_t
< Low pass filter scaling value
sinc_scale: i2s_pdm_sig_scale_t
< Sinc filter scaling value
line_mode: i2s_pdm_tx_line_mode_t
< PDM TX line mode, one-line codec, one-line dac, two-line dac mode can be selected
hp_en: bool
< High pass filter enable
hp_cut_off_freq_hz: f32
< High pass filter cut-off frequency, range 23.3Hz ~ 185Hz, see cut-off frequency sheet above
sd_dither: u32
< Sigma-delta filter dither
sd_dither2: u32
< Sigma-delta filter dither2
Trait Implementations§
source§impl Clone for i2s_pdm_tx_slot_config_t
impl Clone for i2s_pdm_tx_slot_config_t
source§fn clone(&self) -> i2s_pdm_tx_slot_config_t
fn clone(&self) -> i2s_pdm_tx_slot_config_t
1.0.0§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
source
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