att_db.h File Reference

#include <stdint.h>
#include "bluetooth.h"
#include "btstack_linked_list.h"

Data Structures
struct	att_connection
struct	att_service_handler

Macros
#define	ATT_ERROR_DATA_MISMATCH   0x7e
#define	ATT_ERROR_HCI_DISCONNECT_RECEIVED   0x1f
#define	ATT_ERROR_TIMEOUT   0x7F

Typedefs
typedef struct att_connection	att_connection_t
typedef uint16_t(*	att_read_callback_t )(hci_con_handle_t con_handle, uint16_t attribute_handle, uint16_t offset, uint8_t *buffer, uint16_t buffer_size)
typedef struct att_service_handler	att_service_handler_t
typedef int(*	att_write_callback_t )(hci_con_handle_t con_handle, uint16_t attribute_handle, uint16_t transaction_mode, uint16_t offset, uint8_t *buffer, uint16_t buffer_size)

Functions
void	att_clear_transaction_queue (att_connection_t *att_connection)
void	att_dump_attributes (void)
uint16_t	att_handle_request (att_connection_t *att_connection, uint8_t *request_buffer, uint16_t request_len, uint8_t *response_buffer)
uint16_t	att_prepare_handle_value_indication (att_connection_t *att_connection, uint16_t attribute_handle, uint8_t *value, uint16_t value_len, uint8_t *response_buffer)
uint16_t	att_prepare_handle_value_notification (att_connection_t *att_connection, uint16_t attribute_handle, uint8_t *value, uint16_t value_len, uint8_t *response_buffer)
uint16_t	att_read_callback_handle_blob (const uint8_t *blob, uint16_t blob_size, uint16_t offset, uint8_t *buffer, uint16_t buffer_size)
uint16_t	att_read_callback_handle_byte (uint8_t value, uint16_t offset, uint8_t *buffer, uint16_t buffer_size)
uint16_t	att_read_callback_handle_little_endian_16 (uint16_t value, uint16_t offset, uint8_t *buffer, uint16_t buffer_size)
uint16_t	att_read_callback_handle_little_endian_32 (uint32_t value, uint16_t offset, uint8_t *buffer, uint16_t buffer_size)
void	att_register_service_handler (att_service_handler_t *handler)
	register read/write callbacks for specific handle range More...
void	att_set_db (uint8_t const *db)
void	att_set_read_callback (att_read_callback_t callback)
void	att_set_write_callback (att_write_callback_t callback)
uint16_t	att_uuid_for_handle (uint16_t attribute_handle)
uint16_t	gatt_server_get_client_configuration_handle_for_characteristic_with_uuid16 (uint16_t start_handle, uint16_t end_handle, uint16_t uuid16)
int	gatt_server_get_get_handle_range_for_service_with_uuid16 (uint16_t uuid16, uint16_t *start_handle, uint16_t *end_handle)
uint16_t	gatt_server_get_value_handle_for_characteristic_with_uuid16 (uint16_t start_handle, uint16_t end_handle, uint16_t uuid16)

#define ATT_ERROR_DATA_MISMATCH   0x7e

Referenced by gatt_client_att_packet_handler().

#define ATT_ERROR_HCI_DISCONNECT_RECEIVED   0x1f

Referenced by gatt_client_hci_event_packet_handler().

#define ATT_ERROR_TIMEOUT   0x7F

Referenced by gatt_client_timeout_handler().

typedef struct att_connection att_connection_t

typedef uint16_t(* att_read_callback_t)(hci_con_handle_t con_handle, uint16_t attribute_handle, uint16_t offset, uint8_t *buffer, uint16_t buffer_size)

typedef struct att_service_handler att_service_handler_t

typedef int(* att_write_callback_t)(hci_con_handle_t con_handle, uint16_t attribute_handle, uint16_t transaction_mode, uint16_t offset, uint8_t *buffer, uint16_t buffer_size)

void att_clear_transaction_queue

(

att_connection_t *

att_connection

)

References att_notify_write_callbacks(), and ATT_TRANSACTION_MODE_CANCEL.

Referenced by att_event_packet_handler(), and handle_execute_write_request().

void att_dump_attributes

(

void

)

References att_iterator_fetch_next(), att_iterator_has_next(), att_iterator_init(), ATT_PROPERTY_UUID128, att_iterator::flags, att_iterator::handle, little_endian_read_16(), log_info, log_info_hexdump(), reverse_128(), att_iterator::uuid, uuid128_to_str(), att_iterator::value, and att_iterator::value_len.

uint16_t att_handle_request	(	att_connection_t *	att_connection,
		uint8_t *	request_buffer,
		uint16_t	request_len,
		uint8_t *	response_buffer
	)

References ATT_EXCHANGE_MTU_REQUEST, ATT_EXECUTE_WRITE_REQUEST, ATT_FIND_BY_TYPE_VALUE_REQUEST, ATT_FIND_INFORMATION_REQUEST, ATT_PREPARE_WRITE_REQUEST, ATT_READ_BLOB_REQUEST, ATT_READ_BY_GROUP_TYPE_REQUEST, ATT_READ_BY_TYPE_REQUEST, ATT_READ_MULTIPLE_REQUEST, ATT_READ_REQUEST, ATT_SIGNED_WRITE_COMMAND, ATT_WRITE_COMMAND, ATT_WRITE_REQUEST, handle_exchange_mtu_request(), handle_execute_write_request(), handle_find_by_type_value_request(), handle_find_information_request(), handle_prepare_write_request(), handle_read_blob_request(), handle_read_by_group_type_request(), handle_read_by_type_request(), handle_read_multiple_request(), handle_read_request(), handle_write_command(), handle_write_request(), log_info, log_info_hexdump(), and att_connection::mtu.

Referenced by att_packet_handler(), and att_server_process_validated_request().

uint16_t att_prepare_handle_value_indication	(	att_connection_t *	att_connection,
		uint16_t	attribute_handle,
		uint8_t *	value,
		uint16_t	value_len,
		uint8_t *	response_buffer
	)

References ATT_HANDLE_VALUE_INDICATION, and prepare_handle_value().

Referenced by att_server_indicate().

uint16_t att_prepare_handle_value_notification	(	att_connection_t *	att_connection,
		uint16_t	attribute_handle,
		uint8_t *	value,
		uint16_t	value_len,
		uint8_t *	response_buffer
	)

References ATT_HANDLE_VALUE_NOTIFICATION, and prepare_handle_value().

Referenced by att_server_notify().

uint16_t att_read_callback_handle_blob	(	const uint8_t *	blob,
		uint16_t	blob_size,
		uint16_t	offset,
		uint8_t *	buffer,
		uint16_t	buffer_size
	)

References btstack_min().

Referenced by att_read_callback(), att_read_callback_handle_byte(), att_read_callback_handle_little_endian_16(), and att_read_callback_handle_little_endian_32().

uint16_t att_read_callback_handle_byte	(	uint8_t	value,
		uint16_t	offset,
		uint8_t *	buffer,
		uint16_t	buffer_size
	)

References att_read_callback_handle_blob().

Referenced by att_read_callback().

uint16_t att_read_callback_handle_little_endian_16	(	uint16_t	value,
		uint16_t	offset,
		uint8_t *	buffer,
		uint16_t	buffer_size
	)

References att_read_callback_handle_blob(), and little_endian_store_16().

Referenced by att_read_callback().

uint16_t att_read_callback_handle_little_endian_32	(	uint32_t	value,
		uint16_t	offset,
		uint8_t *	buffer,
		uint16_t	buffer_size
	)

References att_read_callback_handle_blob(), and little_endian_store_32().

void att_register_service_handler

(

att_service_handler_t *

handler

)

register read/write callbacks for specific handle range

Parameters

att_service_handler_t

References att_service_handler_for_handle(), btstack_linked_list_add(), att_service_handler::end_handle, log_error, and att_service_handler::start_handle.

Referenced by battery_service_server_init(), device_information_service_server_init(), and hids_device_init().

void att_set_db

(

uint8_t const *

db

)

References att_db.

Referenced by att_server_init().

void att_set_read_callback

(

att_read_callback_t

callback

)

References att_read_callback, and callback.

Referenced by att_server_init().

void att_set_write_callback

(

att_write_callback_t

callback

)

References att_write_callback, and callback.

Referenced by att_server_init().

uint16_t att_uuid_for_handle

(

uint16_t

attribute_handle

)

References att_find_handle(), ATT_PROPERTY_UUID128, att_iterator::flags, little_endian_read_16(), and att_iterator::uuid.

uint16_t gatt_server_get_client_configuration_handle_for_characteristic_with_uuid16	(	uint16_t	start_handle,
		uint16_t	end_handle,
		uint16_t	uuid16
	)

References att_iterator_fetch_next(), att_iterator_has_next(), att_iterator_init(), att_iterator_match_uuid16(), GATT_CHARACTERISTICS_UUID, GATT_CLIENT_CHARACTERISTICS_CONFIGURATION, GATT_PRIMARY_SERVICE_UUID, GATT_SECONDARY_SERVICE_UUID, and att_iterator::handle.

Referenced by battery_service_server_init(), and hids_device_init().

int gatt_server_get_get_handle_range_for_service_with_uuid16	(	uint16_t	uuid16,
		uint16_t *	start_handle,
		uint16_t *	end_handle
	)

References att_iterator_fetch_next(), att_iterator_has_next(), att_iterator_init(), att_iterator_match_uuid16(), GATT_PRIMARY_SERVICE_UUID, GATT_SECONDARY_SERVICE_UUID, att_iterator::handle, little_endian_store_16(), att_iterator::value, and att_iterator::value_len.

Referenced by battery_service_server_init(), device_information_service_server_init(), and hids_device_init().

uint16_t gatt_server_get_value_handle_for_characteristic_with_uuid16	(	uint16_t	start_handle,
		uint16_t	end_handle,
		uint16_t	uuid16
	)

References att_iterator_fetch_next(), att_iterator_has_next(), att_iterator_init(), att_iterator_match_uuid16(), and att_iterator::handle.

Referenced by battery_service_server_init(), device_information_service_server_init(), and hids_device_init().