wiced_hal_pcm.h File Reference

Defines the utilities for configuring the I2S. More...

Data Structures
struct	wiced_hal_pcm_param_t
	AIROC PCM parameter config. More...
struct	wiced_hal_pcm_config_t
	AIROC PCM/I2s config. More...

Enumerations
enum	wiced_hal_pcm_role_t { WICED_HAL_PCM_SLAVE = 0, WICED_HAL_PCM_MASTER }
	AIROC PCM/I2S role. More...
enum	wiced_hal_pcm_clk_t {   WICED_HAL_PCM_RATE_128K = 0, WICED_HAL_PCM_RATE_256K, WICED_HAL_PCM_RATE_512K, WICED_HAL_PCM_RATE_1024K,   WICED_HAL_PCM_RATE_2048K }
	AIROC PCM/I2S clock rate. More...
enum	wiced_hal_pcm_data_order_t { WICED_HAL_PCM_MSB_FIRST = 0, WICED_HAL_PCM_LSB_FIRST }
	AIROC PCM/I2S data order. More...
enum	wiced_hal_pcm_sync_type_t { WICED_HAL_PCM_FRAME_TYPE_SHORT = 0, WICED_HAL_PCM_FRAME_TYPE_LONG }
	AIROC PCM/I2S frame type. More...
enum	wiced_hal_pcm_right_justify_t { WICED_HAL_PCM_DISABLE_RIGHT_JUSTIFY = 0, WICED_HAL_PCM_ENABLE_RIGHT_JUSTIFY }
	AIROC PCM/I2S Right justify. More...
enum	wiced_hal_pcm_fill_data_t { WICED_HAL_PCM_FILL_0S = 0, WICED_HAL_PCM_FILL_1S, WICED_HAL_PCM_FILL_SIGNED, WICED_HAL_PCM_FILL_PROG }
	AIROC PCM/I2S fillData. More...
enum	wiced_hal_pcm_path_t { WICED_HAL_I2S_MODE = 0, WICED_HAL_PCM_MODE }
	WICED HAL PCM/I2S path.

Functions
void	wiced_hal_set_pcm_config (wiced_hal_pcm_config_t *pcm_config)
	Function wiced_hal_set_pcm_config. More...
wiced_hal_pcm_config_t *	wiced_hal_get_pcm_config (void)
	Function wiced_hal_get_pcm_config. More...
void	wiced_hal_pcm_select_pads (uint8_t pcm_clk, uint8_t pcm_sync, uint8_t pcm_out, uint8_t pcm_in)
	Function wiced_hal_pcm_select_pads. More...

Detailed Description

Defines the utilities for configuring the I2S.

Enumeration Type Documentation

enum wiced_hal_pcm_clk_t

AIROC PCM/I2S clock rate.

Enumerator
WICED_HAL_PCM_RATE_128K	PCM clock rate (128Kbps)
WICED_HAL_PCM_RATE_256K	PCM clock rate (256Kbps)
WICED_HAL_PCM_RATE_512K	PCM clock rate (512Kbps)
WICED_HAL_PCM_RATE_1024K	PCM clock rate (1024Kbps)
WICED_HAL_PCM_RATE_2048K	PCM clock rate (2048bps)

enum wiced_hal_pcm_data_order_t

AIROC PCM/I2S data order.

Enumerator
WICED_HAL_PCM_MSB_FIRST	PCM data format config for MSB first out.
WICED_HAL_PCM_LSB_FIRST	PCM data format config for LSB first out.

enum wiced_hal_pcm_fill_data_t

AIROC PCM/I2S fillData.

The total number of bits per slot is always sixteen. Unused bits will be filled as defined by fillData.

enum wiced_hal_pcm_right_justify_t

AIROC PCM/I2S Right justify.

Enumerator
WICED_HAL_PCM_DISABLE_RIGHT_JUSTIFY	Used default data justify. Fill data shifted out last
WICED_HAL_PCM_ENABLE_RIGHT_JUSTIFY	Used right justify to sync data. Fill data shifted out first

enum wiced_hal_pcm_role_t

AIROC PCM/I2S role.

Enumerator
WICED_HAL_PCM_SLAVE	PCM/I2S role type(slave)
WICED_HAL_PCM_MASTER	[DEFAULT] PCM/I2S role type(master)

enum wiced_hal_pcm_sync_type_t

AIROC PCM/I2S frame type.

Enumerator
WICED_HAL_PCM_FRAME_TYPE_SHORT	PCM data format config for short frame sync.
WICED_HAL_PCM_FRAME_TYPE_LONG	PCM data format config for long frame sync.

Function Documentation

wiced_hal_pcm_config_t* wiced_hal_get_pcm_config

(

void

)

Function wiced_hal_get_pcm_config.

To get the current pcm configuration

Parameters

[in]

void

Returns

structure wiced_bt_pcm_config_t pointer

Default values : mode = WICED_BT_I2S_MODE role = WICED_BT_I2SPCM_MASTER pcm_param = NULL

void wiced_hal_pcm_select_pads	(	uint8_t	pcm_clk,
		uint8_t	pcm_sync,
		uint8_t	pcm_out,
		uint8_t	pcm_in
	)

Function wiced_hal_pcm_select_pads.

Selects the PCM clock, sync, data out and data in, LHL pins for the PCM peripheral to use.

Parameters

[in]	pcm_clk	: PCM Clock Pin
[in]	pcm_sync	: PCM Sync Pin
[in]	pcm_out	: PCM Data Out Pin
[in]	pcm_in	: PCM Data In Pin

Returns

: None

void wiced_hal_set_pcm_config

(

wiced_hal_pcm_config_t *

pcm_config

)

Function wiced_hal_set_pcm_config.

To set the pcm configuration parameter

Parameters

[in]

pcm_config

: strucure pointer

Returns

void