EATT

Functions
ble_status_t	R_BLE_EATT_Enable (uint16_t conn_hdl)
	Enable EATT bearers. More...
ble_status_t	R_BLE_EATT_GetState (uint16_t conn_hdl, uint8_t *p_state)
	Check if EATT is enabled for the connection. More...

Detailed Description

Data Structures
struct	st_ble_eatt_enabled_evt_t
	This structure notifies that the EATT Channel has been enabled. More...
struct	st_ble_eatt_disabled_evt_t
	This structure notifies that the EATT Channel has been disabled. More...

Macros
#define	BLE_EATT_NUM_ECB_BEARERS_MAX
	Maximum number of supported EATT Channel.
#define	BLE_EATT_ENABLED
	EATT Channel Opened.
#define	BLE_EATT_DISABLED
	EATT Channel Closed.

Enumerations
enum	e_r_ble_eatt_evt_t
	EATT Event Identifier. More...

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Data Structure Documentation

st_ble_eatt_enabled_evt_t

struct st_ble_eatt_enabled_evt_t

This structure notifies that the EATT Channel has been enabled.

Data Fields
uint16_t	channel_num	Number of opened eatt channel.
uint16_t	mtu[BLE_EATT_NUM_ECB_BEARERS_MAX]	MTU for each eatt channel.

st_ble_eatt_disabled_evt_t

struct st_ble_eatt_disabled_evt_t

This structure notifies that the EATT Channel has been disabled.

Data Fields
uint16_t	cid	disabled eatt channel cid.

Enumeration Type Documentation

e_r_ble_eatt_evt_t

enum e_r_ble_eatt_evt_t

EATT Event Identifier.

Enumerator
BLE_EATT_EVENT_ENABLED	EATT Channel Enabled. This event notifies the application layer that a EATT Channel is opened. Event Code: 0x9001 Event Data: st_ble_eatt_enabled_evt_tBLE_EATT_EVENT_ENABLED
BLE_EATT_EVENT_DISABLED	EATT Channel Disabled. This event notifies the application layer that a EATT Channel is closed. Event Code: 0x9002 Event Data: st_ble_eatt_disabled_evt_tBLE_EATT_EVENT_DISABLED

Function Documentation

R_BLE_EATT_Enable()

ble_status_t R_BLE_EATT_Enable

(

uint16_t

conn_hdl

)

Enable EATT bearers.

When this API is called, to request L2CAP channel Enhanced Credit Based Flow Control Mode.

Parameters

[in]

conn_hdl

Connection handle identifying the remote device.

Return values

BLE_SUCCESS(0x0000)	Success
BLE_ERR_INVALID_STATE(0x0008)	R_BLE_EATT_Enable has been called.
BLE_ERR_INVALID_HDL(0x000E)	The remote device specified by conn_hdl was not found.

R_BLE_EATT_GetState()

ble_status_t R_BLE_EATT_GetState	(	uint16_t	conn_hdl,
		uint8_t *	p_state
	)

Check if EATT is enabled for the connection.

Check if EATT is enabled for the connection.

Parameters

[in]	conn_hdl	Connection handle identifying the remote device.
[out]	p_state	wheather EATT is enabled for the connection. macro description BLE_EATT_DISABLED(0x00) EATT channel has not been enabled. BLE_EATT_ENABLED (0x01) EATT channel has been enabled.

Return values

BLE_SUCCESS(0x0000)	Success
BLE_ERR_INVALID_PTR(0x0001)	The p_state parameter is NULL.
BLE_ERR_INVALID_HDL(0x000E)	The remote device specified by conn_hdl was not found.