audio_datapath.h File Reference

#include <zephyr/kernel.h>
#include <stdint.h>
#include <stdbool.h>
#include <zephyr/net_buf.h>
#include "sw_codec_select.h"
#include "audio_defines.h"

Go to the source code of this file.

Macros
#define	SDU_REF_CH_DELTA_MAX_US   (int)(CONFIG_AUDIO_FRAME_DURATION_US * 0.001)

Functions
int	audio_datapath_tone_play (uint16_t freq, uint16_t dur_ms, float amplitude)
	Mixes a tone into the I2S TX stream.
void	audio_datapath_tone_stop (void)
	Stop tone playback.
int	audio_datapath_pres_delay_us_set (uint32_t delay_us)
	Set the presentation delay.
void	audio_datapath_pres_delay_us_get (uint32_t *delay_us)
	Get the current presentation delay.
void	audio_datapath_stream_out (struct net_buf *audio_frame_in)
	Input an audio data frame which is processed and outputted over I2S.
int	audio_datapath_start (struct k_msgq *queue_rx)
	Start the audio datapath module.
int	audio_datapath_stop (void)
	Stop the audio datapath module.
int	audio_datapath_init (void)
	Initialize the audio datapath module.