#include <Speaker_Class.hpp>

Public Attributes
int	pin_data_out = I2S_PIN_NO_CHANGE
	i2s_data_out (for spk) More...

int	pin_bck = I2S_PIN_NO_CHANGE
	i2s_bck More...

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

uint32_t	sample_rate = 64000
	output sampling rate (Hz) More...

bool	stereo = false
	use stereo output More...

bool	buzzer = false
	use single gpio buzzer, ( need only pin_data_out ) More...

bool	use_dac = false

uint8_t	dac_zero_level = 0
	Zero level reference value when using DAC ( 0=Dynamic change ) More...

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

size_t	dma_buf_len = 256
	for I2S dma_buf_len (max 1024) More...

size_t	dma_buf_count = 8
	for I2S dma_buf_count More...

uint8_t	task_priority = 2
	background task priority More...

uint8_t	task_pinned_core = ~0
	background task pinned core More...

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

Detailed Description

Definition at line 27 of file Speaker_Class.hpp.

Member Data Documentation

◆ buzzer

bool m5::speaker_config_t::buzzer = false

use single gpio buzzer, ( need only pin_data_out )

Definition at line 45 of file Speaker_Class.hpp.

◆ dac_zero_level

uint8_t m5::speaker_config_t::dac_zero_level = 0

Zero level reference value when using DAC ( 0=Dynamic change )

Definition at line 52 of file Speaker_Class.hpp.

◆ dma_buf_count

size_t m5::speaker_config_t::dma_buf_count = 8

for I2S dma_buf_count

Definition at line 61 of file Speaker_Class.hpp.

◆ dma_buf_len

size_t m5::speaker_config_t::dma_buf_len = 256

for I2S dma_buf_len (max 1024)

Definition at line 58 of file Speaker_Class.hpp.

◆ i2s_port

i2s_port_t m5::speaker_config_t::i2s_port = i2s_port_t::I2S_NUM_0

I2S port.

Definition at line 70 of file Speaker_Class.hpp.

◆ magnification

uint8_t m5::speaker_config_t::magnification = 16

multiplier for output value

Definition at line 55 of file Speaker_Class.hpp.

◆ pin_bck

int m5::speaker_config_t::pin_bck = I2S_PIN_NO_CHANGE

i2s_bck

Definition at line 33 of file Speaker_Class.hpp.

◆ pin_data_out

int m5::speaker_config_t::pin_data_out = I2S_PIN_NO_CHANGE

i2s_data_out (for spk)

Definition at line 30 of file Speaker_Class.hpp.

◆ pin_ws

int m5::speaker_config_t::pin_ws = I2S_PIN_NO_CHANGE

i2s_ws (lrck)

Definition at line 36 of file Speaker_Class.hpp.

◆ sample_rate

uint32_t m5::speaker_config_t::sample_rate = 64000

output sampling rate (Hz)

Definition at line 39 of file Speaker_Class.hpp.

◆ stereo

bool m5::speaker_config_t::stereo = false

use stereo output

Definition at line 42 of file Speaker_Class.hpp.

◆ task_pinned_core

uint8_t m5::speaker_config_t::task_pinned_core = ~0

background task pinned core

Definition at line 67 of file Speaker_Class.hpp.

◆ task_priority

uint8_t m5::speaker_config_t::task_priority = 2

background task priority

Definition at line 64 of file Speaker_Class.hpp.

◆ use_dac

bool m5::speaker_config_t::use_dac = false

use DAC speaker, ( need only pin_data_out ) ( for ESP32, only GPIO_NUM_25 or GPIO_NUM_26 ) ※ for ESP32, need i2s_port = I2S_NUM_0. ( DAC+I2S_NUM_1 is not available )

Definition at line 49 of file Speaker_Class.hpp.

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

src/utility/Speaker_Class.hpp

Public Attributes