#include <Mic_Class.hpp>

Public Attributes
int	pin_data_in = -1
	i2s_data_in (for mic) More...

int	pin_bck = I2S_PIN_NO_CHANGE
	i2s_bclk More...

int	pin_mck = I2S_PIN_NO_CHANGE
	i2s_mclk More...

int	pin_ws = I2S_PIN_NO_CHANGE
	i2s_ws (lrck) More...

uint32_t	sample_rate = 16000
	input sampling rate (Hz) More...

bool	stereo = false
	use stereo output More...

int	input_offset = 0
	<<This value is no longer used>> More...

uint8_t	over_sampling = 2
	Sampling times of obtain the average value. More...

uint8_t	magnification = 16
	multiplier for input value More...

uint8_t	noise_filter_level = 0
	Coefficient of the previous value, used for noise filtering. More...

bool	use_adc = false
	use analog input mic ( need only pin_data_in ) More...

size_t	dma_buf_len = 256
	for I2S dma_buf_len More...

size_t	dma_buf_count = 3
	for I2S dma_buf_count More...

uint8_t	task_priority = 2
	background task priority More...

uint8_t	task_pinned_core = -1
	background task pinned core More...

i2s_port_t	i2s_port = i2s_port_t::I2S_NUM_0
	I2S port. More...

Detailed Description

Definition at line 34 of file Mic_Class.hpp.

Member Data Documentation

◆ dma_buf_count

size_t m5::mic_config_t::dma_buf_count = 3

for I2S dma_buf_count

Definition at line 73 of file Mic_Class.hpp.

◆ dma_buf_len

size_t m5::mic_config_t::dma_buf_len = 256

for I2S dma_buf_len

Definition at line 70 of file Mic_Class.hpp.

◆ i2s_port

i2s_port_t m5::mic_config_t::i2s_port = i2s_port_t::I2S_NUM_0

I2S port.

Definition at line 82 of file Mic_Class.hpp.

◆ input_offset

int m5::mic_config_t::input_offset = 0

<<This value is no longer used>>

Definition at line 55 of file Mic_Class.hpp.

◆ magnification

uint8_t m5::mic_config_t::magnification = 16

multiplier for input value

Definition at line 61 of file Mic_Class.hpp.

◆ noise_filter_level

uint8_t m5::mic_config_t::noise_filter_level = 0

Coefficient of the previous value, used for noise filtering.

Definition at line 64 of file Mic_Class.hpp.

◆ over_sampling

uint8_t m5::mic_config_t::over_sampling = 2

Sampling times of obtain the average value.

Definition at line 58 of file Mic_Class.hpp.

◆ pin_bck

int m5::mic_config_t::pin_bck = I2S_PIN_NO_CHANGE

i2s_bclk

Definition at line 40 of file Mic_Class.hpp.

◆ pin_data_in

int m5::mic_config_t::pin_data_in = -1

i2s_data_in (for mic)

Definition at line 37 of file Mic_Class.hpp.

◆ pin_mck

int m5::mic_config_t::pin_mck = I2S_PIN_NO_CHANGE

i2s_mclk

Definition at line 43 of file Mic_Class.hpp.

◆ pin_ws

int m5::mic_config_t::pin_ws = I2S_PIN_NO_CHANGE

i2s_ws (lrck)

Definition at line 46 of file Mic_Class.hpp.

◆ sample_rate

uint32_t m5::mic_config_t::sample_rate = 16000

input sampling rate (Hz)

Definition at line 49 of file Mic_Class.hpp.

◆ stereo

bool m5::mic_config_t::stereo = false

use stereo output

Definition at line 52 of file Mic_Class.hpp.

◆ task_pinned_core

uint8_t m5::mic_config_t::task_pinned_core = -1

background task pinned core

Definition at line 79 of file Mic_Class.hpp.

◆ task_priority

uint8_t m5::mic_config_t::task_priority = 2

background task priority

Definition at line 76 of file Mic_Class.hpp.

◆ use_adc

bool m5::mic_config_t::use_adc = false

use analog input mic ( need only pin_data_in )

Definition at line 67 of file Mic_Class.hpp.

The documentation for this struct was generated from the following file:

src/utility/Mic_Class.hpp

Public Attributes