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SourceVuESP-IDF Framework and ExamplesESP-IDFi2s_hal_slot_config_t

i2s_hal_slot_config_t struct

General slot configuration information

Syntax

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Summary

Declaration

from i2s_hal.h:33

typedef struct { i2s_data_bit_width_t data_bit_width; i2s_slot_bit_width_t slot_bit_width; i2s_slot_mode_t slot_mode; union { struct { i2s_std_slot_mask_t slot_mask; uint32_t ws_width; bool ws_pol; bool bit_shift; #if SOC_I2S_HW_VERSION_1 bool msb_right; #else bool left_align; bool big_endian; bool bit_order_lsb; #endif } std; #if SOC_I2S_SUPPORTS_TDM struct { i2s_tdm_slot_mask_t slot_mask; uint32_t ws_width; bool ws_pol; bool bit_shift; bool left_align; bool big_endian; bool bit_order_lsb; bool skip_mask; uint32_t total_slot; } tdm; #endif #if SOC_I2S_SUPPORTS_PDM_TX struct { #if SOC_I2S_HW_VERSION_1 i2s_pdm_slot_mask_t slot_mask; #endif uint32_t sd_prescale; i2s_pdm_sig_scale_t sd_scale; i2s_pdm_sig_scale_t hp_scale; i2s_pdm_sig_scale_t lp_scale; i2s_pdm_sig_scale_t sinc_scale; #if SOC_I2S_HW_VERSION_2 i2s_pdm_tx_line_mode_t line_mode; bool hp_en; uint32_t hp_cut_off_freq_hzx10; uint32_t sd_dither; uint32_t sd_dither2; #endif } pdm_tx; #endif #if SOC_I2S_SUPPORTS_PDM_RX struct { i2s_pdm_slot_mask_t slot_mask; #if SOC_I2S_SUPPORTS_PDM_RX_HP_FILTER bool hp_en; uint32_t hp_cut_off_freq_hzx10; uint32_t amplify_num; #endif } pdm_rx; #endif }; } i2s_hal_slot_config_t;

Fields

Field

Declared as

Description

i2s_hal_slot_config_t::data_bit_width

i2s_data_bit_width_t

I2S sample data bit width (valid data bits per sample).

i2s_hal_slot_config_t::slot_bit_width

i2s_slot_bit_width_t

I2S slot bit width (total bits per slot).

i2s_hal_slot_config_t::slot_mode

i2s_slot_mode_t

Set mono or stereo mode with I2S_SLOT_MODE_MONO or I2S_SLOT_MODE_STEREO.

References

Code

Location

Scope

Referrer

typedef struct {

} i2s_hal_slot_config_t;

void i2s_hal_std_set_tx_slot(i2s_hal_context_t *hal, bool is_slave, const i2s_hal_slot_config_t *slot_cfg)

i2s_hal_std_set_tx_slot()

i2s_hal_std_set_tx_slot()::slot_cfg

void i2s_hal_std_set_rx_slot(i2s_hal_context_t *hal, bool is_slave, const i2s_hal_slot_config_t *slot_cfg)

i2s_hal_std_set_rx_slot()

i2s_hal_std_set_rx_slot()::slot_cfg

void i2s_hal_pdm_set_tx_slot(i2s_hal_context_t *hal, bool is_slave, const i2s_hal_slot_config_t *slot_cfg)

i2s_hal_pdm_set_tx_slot()

i2s_hal_pdm_set_tx_slot()::slot_cfg

void i2s_hal_pdm_set_rx_slot(i2s_hal_context_t *hal, bool is_slave, const i2s_hal_slot_config_t *slot_cfg)

i2s_hal_pdm_set_rx_slot()

i2s_hal_pdm_set_rx_slot()::slot_cfg

} i2s_hal_slot_config_t;

i2s_hal_slot_config_t

void i2s_hal_std_set_tx_slot(i2s_hal_context_t *hal, bool is_slave, const i2s_hal_slot_config_t *slot_cfg);

i2s_hal_std_set_tx_slot()

i2s_hal_std_set_tx_slot()::slot_cfg

void i2s_hal_std_set_rx_slot(i2s_hal_context_t *hal, bool is_slave, const i2s_hal_slot_config_t *slot_cfg);

i2s_hal_std_set_rx_slot()

i2s_hal_std_set_rx_slot()::slot_cfg

void i2s_hal_pdm_set_tx_slot(i2s_hal_context_t *hal, bool is_slave, const i2s_hal_slot_config_t *slot_cfg);

i2s_hal_pdm_set_tx_slot()

i2s_hal_pdm_set_tx_slot()::slot_cfg

void i2s_hal_pdm_set_rx_slot(i2s_hal_context_t *hal, bool is_slave, const i2s_hal_slot_config_t *slot_cfg);

i2s_hal_pdm_set_rx_slot()

i2s_hal_pdm_set_rx_slot()::slot_cfg

i2s_hal_slot_config_t slot_cfg;

i2s_legacy.c:165

i2s_obj_t::slot_cfg

i2s_hal_slot_config_t *slot_cfg = &p_i2s[i2s_num]->slot_cfg;

i2s_legacy.c:521

i2s_get_buf_size()

i2s_hal_slot_config_t *slot_cfg = &p_i2s[i2s_num]->slot_cfg;

i2s_legacy.c:747

i2s_calculate_adc_dac_clock()

i2s_hal_slot_config_t *slot_cfg = &p_i2s[i2s_num]->slot_cfg;

i2s_legacy.c:829

i2s_calculate_common_clock()

i2s_hal_slot_config_t *slot_cfg = &p_i2s[0]->slot_cfg;

i2s_legacy.c:896

i2s_dac_set_slot_legacy()

i2s_hal_slot_config_t *slot_cfg = &p_i2s[0]->slot_cfg;

i2s_legacy.c:937

i2s_adc_set_slot_legacy()

i2s_hal_std_set_tx_slot(&(p_i2s[i2s_num]->hal), is_tx_slave, (i2s_hal_slot_config_t *)(&p_i2s[i2s_num]->slot_cfg));

i2s_legacy.c:1050

i2s_set_slot_legacy()

i2s_hal_std_set_rx_slot(&(p_i2s[i2s_num]->hal), is_rx_slave, (i2s_hal_slot_config_t *)(&p_i2s[i2s_num]->slot_cfg));

i2s_legacy.c:1053

i2s_set_slot_legacy()

i2s_hal_pdm_set_tx_slot(&(p_i2s[i2s_num]->hal), is_tx_slave, (i2s_hal_slot_config_t *)(&p_i2s[i2s_num]->slot_cfg));

i2s_legacy.c:1060

i2s_set_slot_legacy()

i2s_hal_pdm_set_rx_slot(&(p_i2s[i2s_num]->hal), is_rx_slave, (i2s_hal_slot_config_t *)(&p_i2s[i2s_num]->slot_cfg));

i2s_legacy.c:1065

i2s_set_slot_legacy()

i2s_hal_slot_config_t *slot_cfg = &p_i2s[i2s_num]->slot_cfg;

i2s_legacy.c:1131

i2s_hal_slot_config_t *slot_cfg = &p_i2s[i2s_num]->slot_cfg;

i2s_legacy.c:1209

i2s_set_sample_rates()

i2s_hal_slot_config_t *slot_hal_cfg = (i2s_hal_slot_config_t *)(&(pdm_tx_cfg->slot_cfg));

i2s_pdm_tx_set_slot()

i2s_hal_slot_config_t *slot_hal_cfg = (i2s_hal_slot_config_t *)(&(pdm_rx_cfg->slot_cfg));

i2s_pdm_rx_set_slot()

i2s_hal_std_set_tx_slot(&(handle->controller->hal), is_slave, (i2s_hal_slot_config_t *)slot_cfg);

i2s_std_set_slot()

i2s_hal_std_set_rx_slot(&(handle->controller->hal), is_slave, (i2s_hal_slot_config_t *)slot_cfg);

i2s_std_set_slot()

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