att_db_util.c File Reference

#include <stdlib.h>
#include <string.h>
#include "att_db_util.h"
#include "ble/att_db.h"
#include "ble/core.h"
#include "btstack_util.h"
#include "btstack_debug.h"
#include "bluetooth.h"

Macros
#define	__BTSTACK_FILE__   "att_db_util.c"

Functions
static void	att_db_util_add_attribute_uuid128 (uint8_t *uuid128, uint16_t flags, uint8_t *data, uint16_t data_len)
static void	att_db_util_add_attribute_uuid16 (uint16_t uuid16, uint16_t flags, uint8_t *data, uint16_t data_len)
uint16_t	att_db_util_add_characteristic_uuid128 (uint8_t *uuid128, uint16_t properties, uint8_t *data, uint16_t data_len)
	Add Characteristic with 128-bit UUID, properties, and data. More...
uint16_t	att_db_util_add_characteristic_uuid16 (uint16_t uuid16, uint16_t properties, uint8_t *data, uint16_t data_len)
	Add Characteristic with 16-bit UUID, properties, and data. More...
static void	att_db_util_add_client_characteristic_configuration (uint16_t properties)
void	att_db_util_add_service_uuid128 (uint8_t *uuid128)
	Add primary service for 128-bit UUID. More...
void	att_db_util_add_service_uuid16 (uint16_t uuid16)
	Add primary service for 16-bit UUID. More...
static int	att_db_util_assert_space (uint16_t size)
	asserts that the requested amount of bytes can be stored in the att_db More...
uint8_t *	att_db_util_get_address (void)
	Get address of constructed ATT DB. More...
uint16_t	att_db_util_get_size (void)
	Get size of constructed ATT DB. More...
void	att_db_util_init (void)
	Helper to construct ATT DB at runtime (BTstack GATT Compiler is not used) More...
static void	att_db_util_set_end_tag (void)

Variables
static uint8_t *	att_db
static uint16_t	att_db_max_size
static uint16_t	att_db_next_handle
static uint16_t	att_db_size

#define __BTSTACK_FILE__   "att_db_util.c"

static void att_db_util_add_attribute_uuid128 ( uint8_t *  uuid128, uint16_t  flags, uint8_t *  data, uint16_t  data_len  )

static

References att_db, att_db_next_handle, att_db_size, att_db_util_assert_space(), att_db_util_set_end_tag(), ATT_PROPERTY_UUID128, little_endian_store_16(), and reverse_128().

Referenced by att_db_util_add_characteristic_uuid128().

static void att_db_util_add_attribute_uuid16 ( uint16_t  uuid16, uint16_t  flags, uint8_t *  data, uint16_t  data_len  )

static

References att_db, att_db_next_handle, att_db_size, att_db_util_assert_space(), att_db_util_set_end_tag(), and little_endian_store_16().

Referenced by att_db_util_add_characteristic_uuid128(), att_db_util_add_characteristic_uuid16(), att_db_util_add_client_characteristic_configuration(), att_db_util_add_service_uuid128(), and att_db_util_add_service_uuid16().

uint16_t att_db_util_add_characteristic_uuid128	(	uint8_t *	udid128,
		uint16_t	properties,
		uint8_t *	data,
		uint16_t	data_len
	)

Add Characteristic with 128-bit UUID, properties, and data.

Returns

attribute value handle

See Also

ATT_PROPERTY_* in ble/att_db.h

References att_db_next_handle, att_db_util_add_attribute_uuid128(), att_db_util_add_attribute_uuid16(), att_db_util_add_client_characteristic_configuration(), ATT_PROPERTY_INDICATE, ATT_PROPERTY_NOTIFY, ATT_PROPERTY_READ, buffer, GATT_CHARACTERISTICS_UUID, little_endian_store_16(), and reverse_128().

uint16_t att_db_util_add_characteristic_uuid16	(	uint16_t	udid16,
		uint16_t	properties,
		uint8_t *	data,
		uint16_t	data_len
	)

Add Characteristic with 16-bit UUID, properties, and data.

Returns

attribute value handle

See Also

ATT_PROPERTY_* in ble/att_db.h

References att_db_next_handle, att_db_util_add_attribute_uuid16(), att_db_util_add_client_characteristic_configuration(), ATT_PROPERTY_INDICATE, ATT_PROPERTY_NOTIFY, ATT_PROPERTY_READ, buffer, GATT_CHARACTERISTICS_UUID, and little_endian_store_16().

static void att_db_util_add_client_characteristic_configuration ( uint16_t  properties )

static

References ATT_DB_FLAGS_READ_WITHOUT_AUTHENTICATION, ATT_DB_PERSISTENT_WRITE_CCC, att_db_util_add_attribute_uuid16(), ATT_PROPERTY_DYNAMIC, ATT_PROPERTY_READ, ATT_PROPERTY_WRITE, buffer, GATT_CLIENT_CHARACTERISTICS_CONFIGURATION, and little_endian_store_16().

Referenced by att_db_util_add_characteristic_uuid128(), and att_db_util_add_characteristic_uuid16().

void att_db_util_add_service_uuid128

(

uint8_t *

uuid128

)

Add primary service for 128-bit UUID.

References att_db_util_add_attribute_uuid16(), ATT_PROPERTY_READ, buffer, GATT_PRIMARY_SERVICE_UUID, and reverse_128().

void att_db_util_add_service_uuid16

(

uint16_t

uuid16

)

Add primary service for 16-bit UUID.

References att_db_util_add_attribute_uuid16(), ATT_PROPERTY_READ, buffer, GATT_PRIMARY_SERVICE_UUID, and little_endian_store_16().

static int att_db_util_assert_space ( uint16_t  size )

static

asserts that the requested amount of bytes can be stored in the att_db

Returns

TRUE if space is available

References att_db, att_db_max_size, att_db_size, and log_error.

Referenced by att_db_util_add_attribute_uuid128(), and att_db_util_add_attribute_uuid16().

uint8_t* att_db_util_get_address

(

void

)

Get address of constructed ATT DB.

References att_db.

uint16_t att_db_util_get_size

(

void

)

Get size of constructed ATT DB.

References att_db_size.

void att_db_util_init

(

void

)

Helper to construct ATT DB at runtime (BTstack GATT Compiler is not used)

Init ATT DB storage

References att_db, att_db_max_size, att_db_next_handle, att_db_size, and att_db_util_set_end_tag().

static void att_db_util_set_end_tag ( void  )

static

References att_db, and att_db_size.

Referenced by att_db_util_add_attribute_uuid128(), att_db_util_add_attribute_uuid16(), and att_db_util_init().

uint8_t* att_db

static

Referenced by att_db_util_add_attribute_uuid128(), att_db_util_add_attribute_uuid16(), att_db_util_assert_space(), att_db_util_get_address(), att_db_util_init(), and att_db_util_set_end_tag().

uint16_t att_db_max_size

static

Referenced by att_db_util_assert_space(), and att_db_util_init().

uint16_t att_db_next_handle

static

Referenced by att_db_util_add_attribute_uuid128(), att_db_util_add_attribute_uuid16(), att_db_util_add_characteristic_uuid128(), att_db_util_add_characteristic_uuid16(), and att_db_util_init().

uint16_t att_db_size

static

Referenced by att_db_util_add_attribute_uuid128(), att_db_util_add_attribute_uuid16(), att_db_util_assert_space(), att_db_util_get_size(), att_db_util_init(), and att_db_util_set_end_tag().