i2s_config Struct Reference

Configuration setting structure.

Note

the parameters need to be calculated throgh system clock MCK, audio data sample rate and the data format by the user.

#include <i2sc.h>

Data Fields
enum i2s_data_format	data_format
enum i2s_fs_rate	fs_ratio
bool	loopback
uint8_t	master_clock_divide
	I2SMCK Master clock output frequency is Selected Clock divided by (IMCKDIV + 1), and master_clock_divide should not be 0. More...
bool	master_clock_enable
bool	master_mode
enum i2s_number_of_channels	rx_channels
enum i2s_dma_channel	rx_dma
bool	slot_length_24
bool	transmit_mode_underrun
enum i2s_number_of_channels	tx_channels
enum i2s_dma_channel	tx_dma

enum i2s_data_format i2s_config::data_format

Referenced by _i2s_set_config(), i2s_get_config_defaults(), and run_i2s_test().

enum i2s_fs_rate i2s_config::fs_ratio

Referenced by _i2s_set_config(), i2s_get_config_defaults(), and run_i2s_test().

bool i2s_config::loopback

Referenced by _i2s_set_config(), i2s_get_config_defaults(), and run_i2s_test().

uint8_t i2s_config::master_clock_divide

I2SMCK Master clock output frequency is Selected Clock divided by (IMCKDIV + 1), and master_clock_divide should not be 0.

Referenced by _i2s_set_config(), and i2s_get_config_defaults().

bool i2s_config::master_clock_enable

Referenced by _i2s_set_config(), and i2s_get_config_defaults().

bool i2s_config::master_mode

Referenced by _i2s_set_config(), and i2s_get_config_defaults().

enum i2s_number_of_channels i2s_config::rx_channels

Referenced by _i2s_set_config(), and i2s_get_config_defaults().

enum i2s_dma_channel i2s_config::rx_dma

Referenced by _i2s_set_config(), and i2s_get_config_defaults().

bool i2s_config::slot_length_24

Referenced by _i2s_set_config(), and i2s_get_config_defaults().

bool i2s_config::transmit_mode_underrun

Referenced by _i2s_set_config(), and i2s_get_config_defaults().

enum i2s_number_of_channels i2s_config::tx_channels

Referenced by _i2s_set_config(), and i2s_get_config_defaults().

enum i2s_dma_channel i2s_config::tx_dma

Referenced by _i2s_set_config(), and i2s_get_config_defaults().