dmic.h File Reference

Public API header file for Digital Microphones. More...

#include <kernel.h>
#include <device.h>

Go to the source code of this file.

Data Structures
struct	pdm_io_cfg
struct	pcm_stream_cfg
struct	pdm_chan_cfg
struct	dmic_cfg

Enumerations
enum	dmic_state {   DMIC_STATE_UNINIT , DMIC_STATE_INITIALIZED , DMIC_STATE_CONFIGURED , DMIC_STATE_ACTIVE ,   DMIC_STATE_PAUSED }
enum	dmic_trigger {   DMIC_TRIGGER_STOP , DMIC_TRIGGER_START , DMIC_TRIGGER_PAUSE , DMIC_TRIGGER_RELEASE ,   DMIC_TRIGGER_RESET }
enum	pdm_lr { PDM_CHAN_LEFT , PDM_CHAN_RIGHT }

Functions
static uint32_t	dmic_build_channel_map (uint8_t channel, uint8_t pdm, enum pdm_lr lr)
static void	dmic_parse_channel_map (uint32_t channel_map_lo, uint32_t channel_map_hi, uint8_t channel, uint8_t *pdm, enum pdm_lr *lr)
static uint32_t	dmic_build_clk_skew_map (uint8_t pdm, uint8_t skew)
static int	dmic_configure (const struct device *dev, struct dmic_cfg *cfg)
static int	dmic_trigger (const struct device *dev, enum dmic_trigger cmd)
static int	dmic_read (const struct device *dev, uint8_t stream, void **buffer, size_t *size, int32_t timeout)

Detailed Description

Public API header file for Digital Microphones.

This file contains the Digital Microphone APIs