#include "hpm_common.h"
#include "hpm_vad_regs.h"

Go to the source code of this file.

Data Structures
struct	vad_config
	vad config More...

Macros
#define	VAD_EVENT_VAD (1U << 7)
	vad event More...

#define	VAD_EVENT_FIFO_DATA_AVAILABLE (1U << 6)

#define	VAD_EVENT_MEMBUF_EMPTY (1U << 5)

#define	VAD_EVENT_FIFO_OVERFLOW (1U << 4)

#define	VAD_EVENT_IIR_OVERLOAD (1U << 3)

#define	VAD_EVENT_IIR_OVERFLOW (1U << 2)

#define	VAD_EVENT_CIC_OVERLOAD_ERROR (1U << 1)

#define	VAD_EVENT_CIC_STA_ERROR (1U << 0)

Typedefs
typedef struct vad_config	vad_config_t
	vad config More...

Functions
static void	vad_set_capture_delay (VAD_Type *ptr, uint8_t delay)
	set capture deplay cycle More...

static void	vad_set_pdm_clock_half_div (VAD_Type *ptr, uint8_t div)
	set pdm clock hald_divider More...

static void	vad_enable_irq (VAD_Type *ptr, uint32_t irq_mask)
	enable irq More...

static void	vad_disable_irq (VAD_Type *ptr, uint32_t irq_mask)
	disable irq More...

static void	vad_disable_buffer (VAD_Type *ptr)
	disable buffer More...

static void	vad_enable_buffer (VAD_Type *ptr)
	enable buffer More...

static void	vad_set_fifo_threshold (VAD_Type *ptr, uint8_t threshold)
	set fifo threshold More...

static void	vad_enable_pdm_clock_out (VAD_Type *ptr)
	enable pdm clock out More...

static void	vad_disable_pdm_clock_out (VAD_Type *ptr)
	disable pdm clock out More...

static void	vad_set_pdm_clock_capture_level (VAD_Type *ptr, uint8_t level)
	set pdm clock polarity More...

static void	vad_set_channel_number (VAD_Type *ptr, bool two_channels)
	set channel number More...

static uint32_t	vad_get_status (VAD_Type *ptr)
	get status More...

static void	vad_clear_status (VAD_Type *ptr, uint32_t mask)
	slear status More...

static uint32_t	vad_get_data (VAD_Type *ptr)
	get data More...

static void	vad_software_reset (VAD_Type *ptr)
	software reset More...

static void	vad_start (VAD_Type *ptr)
	start More...

static void	vad_stop (VAD_Type *ptr)
	stop More...

static bool	vad_is_running (VAD_Type *ptr)
	check whether vad is running More...

static void	vad_enable_fifo (VAD_Type *ptr)
	enable fifo More...

static void	vad_disable_fifo (VAD_Type *ptr)
	disable fifo More...

static uint32_t	vad_get_coef_value (VAD_Type *ptr, uint32_t index)
	get coefficient value More...

static void	vad_set_post_scale (VAD_Type *ptr, uint8_t post_scale)
	set ouptput value post scale More...

static void	vad_set_amplify (VAD_Type *ptr, uint16_t high, uint16_t low)
	set sampling signal amplitude limits More...

void	vad_get_default_config (VAD_Type ptr, vad_config_t config)
	get default config More...

void	vad_init (VAD_Type ptr, vad_config_t config)
	initialization More...

void	vad_reset (VAD_Type *ptr)
	reset More...

Data Structures

Macros

Typedefs

Functions