WM8524 Driver

Overview

The wm8524 driver provides a codec control interface.

Data Structures
struct	_wm8524_handle_t
	WM8524 handler. More...

Typedefs
typedef void(*	wm8524_setMuteIO )(uint32_t output)
	< mute control io function pointer More...
typedef enum _wm8524_protocol	wm8524_protocol_t
	The audio data transfer protocol. More...
typedef struct _wm8524_handle_t	wm8524_handle_t
	WM8524 handler.

Enumerations
enum	_wm8524_protocol {   kWM8524_ProtocolLeftJustified = 0x0,   kWM8524_ProtocolI2S = 0x1,   kWM8524_ProtocolRightJustified = 0x2 }
	The audio data transfer protocol. More...
enum	_wm8524_mute_control {   kWM8524_Mute = 0U,   kWM8524_Unmute = 1U }
	wm8524 mute operation More...

Functions
status_t	WM8524_Init (wm8524_handle_t *handle, wm8524_config_t *config)
	Initializes WM8524. More...
void	WM8524_ConfigFormat (wm8524_handle_t *handle, wm8524_protocol_t protocol)
	Configure WM8524 audio protocol. More...
void	WM8524_SetMute (wm8524_handle_t *handle, bool isMute)
	Sets the codec mute state. More...

Driver version
#define	FSL_WM8524_DRIVER_VERSION   (MAKE_VERSION(2, 1, 1))
	WM8524 driver version 2.1.1. More...

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Data Structure Documentation

struct _wm8524_handle_t

Data Fields
wm8524_config_t *	config
	wm8524 config pointer

Macro Definition Documentation

#define FSL_WM8524_DRIVER_VERSION   (MAKE_VERSION(2, 1, 1))

Typedef Documentation

typedef void(* wm8524_setMuteIO)(uint32_t output)

format control io function pointer

typedef enum _wm8524_protocol wm8524_protocol_t

Enumeration Type Documentation

enum _wm8524_protocol

Enumerator
kWM8524_ProtocolLeftJustified	Left justified mode.
kWM8524_ProtocolI2S	I2S mode.
kWM8524_ProtocolRightJustified	Right justified mode.

enum _wm8524_mute_control

Enumerator
kWM8524_Mute	mute left and right channel DAC
kWM8524_Unmute	unmute left and right channel DAC

Function Documentation

status_t WM8524_Init	(	wm8524_handle_t *	handle,
		wm8524_config_t *	config
	)

Parameters

handle	WM8524 handle structure.
config	WM8524 configure structure.

Returns

kStatus_Success.

void WM8524_ConfigFormat	(	wm8524_handle_t *	handle,
		wm8524_protocol_t	protocol
	)

Parameters

handle	WM8524 handle structure.
protocol	WM8524 configuration structure.

void WM8524_SetMute	(	wm8524_handle_t *	handle,
		bool	isMute
	)

Parameters

handle	WM8524 handle structure.
isMute	true means mute, false means normal.