#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "btstack_config.h"
#include "att_dispatch.h"
#include "ad_parser.h"
#include "ble/att_db.h"
#include "ble/core.h"
#include "ble/gatt_client.h"
#include "ble/le_device_db.h"
#include "ble/sm.h"
#include "btstack_debug.h"
#include "btstack_event.h"
#include "btstack_memory.h"
#include "btstack_run_loop.h"
#include "btstack_util.h"
#include "classic/sdp_util.h"
#include "hci.h"
#include "hci_cmd.h"
#include "hci_dump.h"
#include "l2cap.h"

Macros
#define	__BTSTACK_FILE__ "gatt_client.c"

Functions
static void	att_confirmation (uint16_t peripheral_handle)

static void	att_exchange_mtu_request (uint16_t peripheral_handle)

static void	att_execute_write_request (uint16_t request_type, uint16_t peripheral_handle, uint8_t execute_write)

static void	att_find_by_type_value_request (uint16_t request_type, uint16_t attribute_group_type, uint16_t peripheral_handle, uint16_t start_handle, uint16_t end_handle, uint8_t *value, uint16_t value_size)

static void	att_find_information_request (uint16_t request_type, uint16_t peripheral_handle, uint16_t start_handle, uint16_t end_handle)

static void	att_prepare_write_request (uint16_t request_type, uint16_t peripheral_handle, uint16_t attribute_handle, uint16_t value_offset, uint16_t blob_length, uint8_t *value)

static void	att_read_blob_request (uint16_t request_type, uint16_t peripheral_handle, uint16_t attribute_handle, uint16_t value_offset)

static void	att_read_by_type_or_group_request_for_uuid128 (uint16_t request_type, uint8_t *uuid128, uint16_t peripheral_handle, uint16_t start_handle, uint16_t end_handle)

static void	att_read_by_type_or_group_request_for_uuid16 (uint16_t request_type, uint16_t uuid16, uint16_t peripheral_handle, uint16_t start_handle, uint16_t end_handle)

static void	att_read_multiple_request (uint16_t peripheral_handle, uint16_t num_value_handles, uint16_t *value_handles)

static void	att_read_request (uint16_t request_type, uint16_t peripheral_handle, uint16_t attribute_handle)

static void	att_write_request (uint16_t request_type, uint16_t peripheral_handle, uint16_t attribute_handle, uint16_t value_length, uint8_t *value)

static void	characteristic_end_found (gatt_client_t *peripheral, uint16_t end_handle)

static void	characteristic_start_found (gatt_client_t peripheral, uint16_t start_handle, uint8_t properties, uint16_t value_handle, uint8_t uuid, uint16_t uuid_length)

static void	emit_event_new (btstack_packet_handler_t callback, uint8_t *packet, uint16_t size)

static void	emit_event_to_registered_listeners (hci_con_handle_t con_handle, uint16_t attribute_handle, uint8_t *packet, uint16_t size)

static void	emit_gatt_all_characteristic_descriptors_result_event (gatt_client_t peripheral, uint16_t descriptor_handle, uint8_t uuid128)

static void	emit_gatt_characteristic_query_result_event (gatt_client_t peripheral, uint16_t start_handle, uint16_t value_handle, uint16_t end_handle, uint16_t properties, uint8_t uuid128)

static void	emit_gatt_complete_event (gatt_client_t *peripheral, uint8_t status)

static void	emit_gatt_included_service_query_result_event (gatt_client_t peripheral, uint16_t include_handle, uint16_t start_group_handle, uint16_t end_group_handle, uint8_t uuid128)

static void	emit_gatt_service_query_result_event (gatt_client_t peripheral, uint16_t start_group_handle, uint16_t end_group_handle, uint8_t uuid128)

static void	gatt_client_att_packet_handler (uint8_t packet_type, uint16_t handle, uint8_t *packet, uint16_t size)

uint8_t	gatt_client_cancel_write (btstack_packet_handler_t callback, hci_con_handle_t con_handle)
	-> gatt complete event More...

void	gatt_client_deserialize_characteristic (const uint8_t packet, int offset, gatt_client_characteristic_t characteristic)

void	gatt_client_deserialize_characteristic_descriptor (const uint8_t packet, int offset, gatt_client_characteristic_descriptor_t descriptor)

void	gatt_client_deserialize_service (const uint8_t packet, int offset, gatt_client_service_t service)

uint8_t	gatt_client_discover_characteristic_descriptors (btstack_packet_handler_t callback, hci_con_handle_t con_handle, gatt_client_characteristic_t *characteristic)
	Discovers attribute handle and UUID of a characteristic descriptor within the specified characteristic. More...

uint8_t	gatt_client_discover_characteristics_for_handle_range_by_uuid128 (btstack_packet_handler_t callback, hci_con_handle_t con_handle, uint16_t start_handle, uint16_t end_handle, uint8_t *uuid128)

uint8_t	gatt_client_discover_characteristics_for_handle_range_by_uuid16 (btstack_packet_handler_t callback, hci_con_handle_t con_handle, uint16_t start_handle, uint16_t end_handle, uint16_t uuid16)
	The following four functions are used to discover all characteristics within the specified service or handle range, and return those that match the given UUID. More...

uint8_t	gatt_client_discover_characteristics_for_service (btstack_packet_handler_t callback, hci_con_handle_t con_handle, gatt_client_service_t *service)
	Discovers all characteristics within the specified service. More...

uint8_t	gatt_client_discover_characteristics_for_service_by_uuid128 (btstack_packet_handler_t callback, uint16_t handle, gatt_client_service_t service, uint8_t uuid128)

uint8_t	gatt_client_discover_characteristics_for_service_by_uuid16 (btstack_packet_handler_t callback, uint16_t handle, gatt_client_service_t *service, uint16_t uuid16)

uint8_t	gatt_client_discover_primary_services (btstack_packet_handler_t callback, hci_con_handle_t con_handle)
	Discovers all primary services. More...

uint8_t	gatt_client_discover_primary_services_by_uuid128 (btstack_packet_handler_t callback, hci_con_handle_t con_handle, const uint8_t *uuid128)

uint8_t	gatt_client_discover_primary_services_by_uuid16 (btstack_packet_handler_t callback, hci_con_handle_t con_handle, uint16_t uuid16)
	Discovers a specific primary service given its UUID. More...

uint8_t	gatt_client_execute_write (btstack_packet_handler_t callback, hci_con_handle_t con_handle)
	-> gatt complete event More...

uint8_t	gatt_client_find_included_services_for_service (btstack_packet_handler_t callback, hci_con_handle_t con_handle, gatt_client_service_t *service)
	Finds included services within the specified service. More...

static gatt_client_t *	gatt_client_for_timer (btstack_timer_source_t *ts)

uint8_t	gatt_client_get_mtu (hci_con_handle_t con_handle, uint16_t *mtu)
	MTU is available after the first query has completed. More...

static void	gatt_client_handle_transaction_complete (gatt_client_t *peripheral)

static void	gatt_client_hci_event_packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size)

void	gatt_client_init (void)
	Set up GATT client. More...

int	gatt_client_is_ready (hci_con_handle_t con_handle)
	Returns if the GATT client is ready to receive a query. More...

void	gatt_client_listen_for_characteristic_value_updates (gatt_client_notification_t notification, btstack_packet_handler_t packet_handler, hci_con_handle_t con_handle, gatt_client_characteristic_t characteristic)
	Register for notifications and indications of a characteristic enabled by gatt_client_write_client_characteristic_configuration. More...

uint8_t	gatt_client_prepare_write (btstack_packet_handler_t callback, hci_con_handle_t con_handle, uint16_t attribute_handle, uint16_t offset, uint16_t length, uint8_t *data)
	-> gatt complete event More...

void	gatt_client_pts_suppress_mtu_exchange (void)

uint8_t	gatt_client_read_characteristic_descriptor (btstack_packet_handler_t callback, hci_con_handle_t con_handle, gatt_client_characteristic_descriptor_t *descriptor)
	Reads the characteristic descriptor using its handle. More...

uint8_t	gatt_client_read_characteristic_descriptor_using_descriptor_handle (btstack_packet_handler_t callback, hci_con_handle_t con_handle, uint16_t descriptor_handle)

uint8_t	gatt_client_read_long_characteristic_descriptor (btstack_packet_handler_t callback, hci_con_handle_t con_handle, gatt_client_characteristic_descriptor_t *descriptor)
	Reads the long characteristic descriptor using its handle. More...

uint8_t	gatt_client_read_long_characteristic_descriptor_using_descriptor_handle (btstack_packet_handler_t callback, hci_con_handle_t con_handle, uint16_t descriptor_handle)

uint8_t	gatt_client_read_long_characteristic_descriptor_using_descriptor_handle_with_offset (btstack_packet_handler_t callback, hci_con_handle_t con_handle, uint16_t descriptor_handle, uint16_t offset)

uint8_t	gatt_client_read_long_value_of_characteristic (btstack_packet_handler_t callback, uint16_t handle, gatt_client_characteristic_t *characteristic)
	Reads the long characteristic value using the characteristic's value handle. More...

uint8_t	gatt_client_read_long_value_of_characteristic_using_value_handle (btstack_packet_handler_t callback, hci_con_handle_t con_handle, uint16_t characteristic_value_handle)

uint8_t	gatt_client_read_long_value_of_characteristic_using_value_handle_with_offset (btstack_packet_handler_t callback, hci_con_handle_t con_handle, uint16_t characteristic_value_handle, uint16_t offset)

uint8_t	gatt_client_read_multiple_characteristic_values (btstack_packet_handler_t callback, hci_con_handle_t con_handle, int num_value_handles, uint16_t *value_handles)

uint8_t	gatt_client_read_value_of_characteristic (btstack_packet_handler_t callback, uint16_t handle, gatt_client_characteristic_t *characteristic)
	Reads the characteristic value using the characteristic's value handle. More...

uint8_t	gatt_client_read_value_of_characteristic_using_value_handle (btstack_packet_handler_t callback, hci_con_handle_t con_handle, uint16_t value_handle)

uint8_t	gatt_client_read_value_of_characteristics_by_uuid128 (btstack_packet_handler_t callback, hci_con_handle_t con_handle, uint16_t start_handle, uint16_t end_handle, uint8_t *uuid128)

uint8_t	gatt_client_read_value_of_characteristics_by_uuid16 (btstack_packet_handler_t callback, hci_con_handle_t con_handle, uint16_t start_handle, uint16_t end_handle, uint16_t uuid16)
	Reads the characteric value of all characteristics with the uuid. More...

uint8_t	gatt_client_reliable_write_long_value_of_characteristic (btstack_packet_handler_t callback, hci_con_handle_t con_handle, uint16_t value_handle, uint16_t value_length, uint8_t *value)
	Writes of the long characteristic value using the characteristic's value handle. More...

static void	gatt_client_report_error_if_pending (gatt_client_t *peripheral, uint8_t error_code)

static void	gatt_client_run (void)

void	gatt_client_stop_listening_for_characteristic_value_updates (gatt_client_notification_t *notification)
	Stop listening to characteristic value updates registered with gatt_client_listen_for_characteristic_value_updates. More...

static void	gatt_client_timeout_handler (btstack_timer_source_t *timer)

static void	gatt_client_timeout_start (gatt_client_t *peripheral)

static void	gatt_client_timeout_stop (gatt_client_t *peripheral)

uint8_t	gatt_client_write_characteristic_descriptor (btstack_packet_handler_t callback, hci_con_handle_t con_handle, gatt_client_characteristic_descriptor_t descriptor, uint16_t length, uint8_t value)
	Writes the characteristic descriptor using its handle. More...

uint8_t	gatt_client_write_characteristic_descriptor_using_descriptor_handle (btstack_packet_handler_t callback, hci_con_handle_t con_handle, uint16_t descriptor_handle, uint16_t length, uint8_t *data)

uint8_t	gatt_client_write_client_characteristic_configuration (btstack_packet_handler_t callback, hci_con_handle_t con_handle, gatt_client_characteristic_t *characteristic, uint16_t configuration)
	Writes the client characteristic configuration of the specified characteristic. More...

uint8_t	gatt_client_write_long_characteristic_descriptor (btstack_packet_handler_t callback, hci_con_handle_t con_handle, gatt_client_characteristic_descriptor_t descriptor, uint16_t length, uint8_t value)

uint8_t	gatt_client_write_long_characteristic_descriptor_using_descriptor_handle (btstack_packet_handler_t callback, hci_con_handle_t con_handle, uint16_t descriptor_handle, uint16_t length, uint8_t *data)

uint8_t	gatt_client_write_long_characteristic_descriptor_using_descriptor_handle_with_offset (btstack_packet_handler_t callback, hci_con_handle_t con_handle, uint16_t descriptor_handle, uint16_t offset, uint16_t length, uint8_t *data)

uint8_t	gatt_client_write_long_value_of_characteristic (btstack_packet_handler_t callback, hci_con_handle_t con_handle, uint16_t value_handle, uint16_t value_length, uint8_t *value)

uint8_t	gatt_client_write_long_value_of_characteristic_with_offset (btstack_packet_handler_t callback, hci_con_handle_t con_handle, uint16_t value_handle, uint16_t offset, uint16_t value_length, uint8_t *data)

uint8_t	gatt_client_write_value_of_characteristic (btstack_packet_handler_t callback, hci_con_handle_t con_handle, uint16_t value_handle, uint16_t value_length, uint8_t *data)
	Writes the characteristic value using the characteristic's value handle. More...

uint8_t	gatt_client_write_value_of_characteristic_without_response (hci_con_handle_t con_handle, uint16_t value_handle, uint16_t value_length, uint8_t *value)
	Writes the characteristic value using the characteristic's value handle without an acknowledgment that the write was successfully performed. More...

static gatt_client_t *	get_gatt_client_context_for_handle (uint16_t handle)

static uint16_t	get_last_result_handle_from_characteristics_list (uint8_t *packet, uint16_t size)

static uint16_t	get_last_result_handle_from_included_services_list (uint8_t *packet, uint16_t size)

static uint16_t	get_last_result_handle_from_service_list (uint8_t *packet, uint16_t size)

static int	is_query_done (gatt_client_t *peripheral, uint16_t last_result_handle)

static int	is_ready (gatt_client_t *context)

static int	is_value_valid (gatt_client_t peripheral, uint8_t packet, uint16_t size)

static uint16_t	peripheral_mtu (gatt_client_t *peripheral)

static gatt_client_t *	provide_context_for_conn_handle (hci_con_handle_t con_handle)

static gatt_client_t *	provide_context_for_conn_handle_and_start_timer (hci_con_handle_t con_handle)

static void	report_gatt_all_characteristic_descriptors (gatt_client_t peripheral, uint8_t packet, uint16_t size, uint16_t pair_size)

static void	report_gatt_characteristic_descriptor (gatt_client_t peripheral, uint16_t descriptor_handle, uint8_t value, uint16_t value_length, uint16_t value_offset)

static void	report_gatt_characteristic_value (gatt_client_t peripheral, uint16_t attribute_handle, uint8_t value, uint16_t length)

static void	report_gatt_characteristics (gatt_client_t peripheral, uint8_t packet, uint16_t size)

static void	report_gatt_included_service_uuid128 (gatt_client_t peripheral, uint16_t include_handle, uint8_t uuid128)

static void	report_gatt_included_service_uuid16 (gatt_client_t *peripheral, uint16_t include_handle, uint16_t uuid16)

static void	report_gatt_indication (hci_con_handle_t con_handle, uint16_t value_handle, uint8_t *value, int length)

static void	report_gatt_long_characteristic_descriptor (gatt_client_t peripheral, uint16_t descriptor_handle, uint8_t blob, uint16_t blob_length, uint16_t value_offset)

static void	report_gatt_long_characteristic_value_blob (gatt_client_t peripheral, uint16_t attribute_handle, uint8_t blob, uint16_t blob_length, int value_offset)

static void	report_gatt_notification (hci_con_handle_t con_handle, uint16_t value_handle, uint8_t *value, int length)

static void	report_gatt_services (gatt_client_t peripheral, uint8_t packet, uint16_t size)

static void	send_gatt_by_uuid_request (gatt_client_t *peripheral, uint16_t attribute_group_type)

static void	send_gatt_cancel_prepared_write_request (gatt_client_t *peripheral)

static void	send_gatt_characteristic_descriptor_request (gatt_client_t *peripheral)

static void	send_gatt_characteristic_request (gatt_client_t *peripheral)

static void	send_gatt_execute_write_request (gatt_client_t *peripheral)

static void	send_gatt_included_service_request (gatt_client_t *peripheral)

static void	send_gatt_included_service_uuid_request (gatt_client_t *peripheral)

static void	send_gatt_prepare_write_request (gatt_client_t *peripheral)

static void	send_gatt_read_blob_request (gatt_client_t *peripheral)

static void	send_gatt_read_by_type_request (gatt_client_t *peripheral)

static void	send_gatt_read_characteristic_descriptor_request (gatt_client_t *peripheral)

static void	send_gatt_read_characteristic_value_request (gatt_client_t *peripheral)

static void	send_gatt_read_client_characteristic_configuration_request (gatt_client_t *peripheral)

static void	send_gatt_read_multiple_request (gatt_client_t *peripheral)

static void	send_gatt_services_by_uuid_request (gatt_client_t *peripheral)

static void	send_gatt_services_request (gatt_client_t *peripheral)

static void	send_gatt_write_attribute_value_request (gatt_client_t *peripheral)

static void	send_gatt_write_client_characteristic_configuration_request (gatt_client_t *peripheral)

static uint8_t *	setup_characteristic_value_packet (uint8_t type, hci_con_handle_t con_handle, uint16_t attribute_handle, uint8_t *value, uint16_t length)

static uint8_t *	setup_long_characteristic_value_packet (uint8_t type, hci_con_handle_t con_handle, uint16_t attribute_handle, uint16_t offset, uint8_t *value, uint16_t length)

static void	trigger_next_blob_query (gatt_client_t *peripheral, gatt_client_state_t next_query_state, uint16_t received_blob_length)

static void	trigger_next_characteristic_descriptor_query (gatt_client_t *peripheral, uint16_t last_result_handle)

static void	trigger_next_characteristic_query (gatt_client_t *peripheral, uint16_t last_result_handle)

static void	trigger_next_included_service_query (gatt_client_t *peripheral, uint16_t last_result_handle)

static void	trigger_next_prepare_write_query (gatt_client_t *peripheral, gatt_client_state_t next_query_state, gatt_client_state_t done_state)

static void	trigger_next_query (gatt_client_t *peripheral, uint16_t last_result_handle, gatt_client_state_t next_query_state)

static void	trigger_next_read_by_type_query (gatt_client_t *peripheral, uint16_t last_result_handle)

static void	trigger_next_service_by_uuid_query (gatt_client_t *peripheral, uint16_t last_result_handle)

static void	trigger_next_service_query (gatt_client_t *peripheral, uint16_t last_result_handle)

static uint16_t	write_blob_length (gatt_client_t *peripheral)

Variables
static const int	characteristic_value_event_header_size = 8

static btstack_linked_list_t	gatt_client_connections

static btstack_linked_list_t	gatt_client_value_listeners

static btstack_packet_callback_registration_t	hci_event_callback_registration

static const int	long_characteristic_value_event_header_size = 10

static uint8_t	pts_suppress_mtu_exchange

#define __BTSTACK_FILE__ "gatt_client.c"

static void att_confirmation ( uint16_t peripheral_handle )

static

References ATT_HANDLE_VALUE_CONFIRMATION, L2CAP_CID_ATTRIBUTE_PROTOCOL, l2cap_get_outgoing_buffer(), l2cap_reserve_packet_buffer(), and l2cap_send_prepared_connectionless().

Referenced by gatt_client_run().

static void att_exchange_mtu_request ( uint16_t peripheral_handle )

static

References ATT_EXCHANGE_MTU_REQUEST, L2CAP_CID_ATTRIBUTE_PROTOCOL, l2cap_get_outgoing_buffer(), l2cap_max_le_mtu(), l2cap_reserve_packet_buffer(), l2cap_send_prepared_connectionless(), and little_endian_store_16().

Referenced by gatt_client_run().

static void att_execute_write_request	(	uint16_t	request_type,
		uint16_t	peripheral_handle,
		uint8_t	execute_write
	)

static

References L2CAP_CID_ATTRIBUTE_PROTOCOL, l2cap_get_outgoing_buffer(), l2cap_reserve_packet_buffer(), and l2cap_send_prepared_connectionless().

Referenced by send_gatt_cancel_prepared_write_request(), and send_gatt_execute_write_request().

static void att_find_by_type_value_request	(	uint16_t	request_type,
		uint16_t	attribute_group_type,
		uint16_t	peripheral_handle,
		uint16_t	start_handle,
		uint16_t	end_handle,
		uint8_t *	value,
		uint16_t	value_size
	)

static

References L2CAP_CID_ATTRIBUTE_PROTOCOL, l2cap_get_outgoing_buffer(), l2cap_reserve_packet_buffer(), l2cap_send_prepared_connectionless(), and little_endian_store_16().

Referenced by send_gatt_by_uuid_request().

static void att_find_information_request	(	uint16_t	request_type,
		uint16_t	peripheral_handle,
		uint16_t	start_handle,
		uint16_t	end_handle
	)

static

References L2CAP_CID_ATTRIBUTE_PROTOCOL, l2cap_get_outgoing_buffer(), l2cap_reserve_packet_buffer(), l2cap_send_prepared_connectionless(), and little_endian_store_16().

Referenced by send_gatt_characteristic_descriptor_request().

static void att_prepare_write_request	(	uint16_t	request_type,
		uint16_t	peripheral_handle,
		uint16_t	attribute_handle,
		uint16_t	value_offset,
		uint16_t	blob_length,
		uint8_t *	value
	)

static

References L2CAP_CID_ATTRIBUTE_PROTOCOL, l2cap_get_outgoing_buffer(), l2cap_reserve_packet_buffer(), l2cap_send_prepared_connectionless(), and little_endian_store_16().

Referenced by send_gatt_prepare_write_request().

static void att_read_blob_request	(	uint16_t	request_type,
		uint16_t	peripheral_handle,
		uint16_t	attribute_handle,
		uint16_t	value_offset
	)

static

References L2CAP_CID_ATTRIBUTE_PROTOCOL, l2cap_get_outgoing_buffer(), l2cap_reserve_packet_buffer(), l2cap_send_prepared_connectionless(), and little_endian_store_16().

Referenced by send_gatt_read_blob_request().

static void att_read_by_type_or_group_request_for_uuid128	(	uint16_t	request_type,
		uint8_t *	uuid128,
		uint16_t	peripheral_handle,
		uint16_t	start_handle,
		uint16_t	end_handle
	)

static

References L2CAP_CID_ATTRIBUTE_PROTOCOL, l2cap_get_outgoing_buffer(), l2cap_reserve_packet_buffer(), l2cap_send_prepared_connectionless(), little_endian_store_16(), and reverse_128().

Referenced by send_gatt_read_by_type_request().

static void att_read_by_type_or_group_request_for_uuid16	(	uint16_t	request_type,
		uint16_t	uuid16,
		uint16_t	peripheral_handle,
		uint16_t	start_handle,
		uint16_t	end_handle
	)

static

References L2CAP_CID_ATTRIBUTE_PROTOCOL, l2cap_get_outgoing_buffer(), l2cap_reserve_packet_buffer(), l2cap_send_prepared_connectionless(), and little_endian_store_16().

Referenced by send_gatt_characteristic_request(), send_gatt_included_service_request(), send_gatt_read_by_type_request(), send_gatt_read_client_characteristic_configuration_request(), and send_gatt_services_request().

static void att_read_multiple_request	(	uint16_t	peripheral_handle,
		uint16_t	num_value_handles,
		uint16_t *	value_handles
	)

static

References ATT_READ_MULTIPLE_REQUEST, L2CAP_CID_ATTRIBUTE_PROTOCOL, l2cap_get_outgoing_buffer(), l2cap_reserve_packet_buffer(), l2cap_send_prepared_connectionless(), and little_endian_store_16().

Referenced by send_gatt_read_multiple_request().

static void att_read_request	(	uint16_t	request_type,
		uint16_t	peripheral_handle,
		uint16_t	attribute_handle
	)

static

References L2CAP_CID_ATTRIBUTE_PROTOCOL, l2cap_get_outgoing_buffer(), l2cap_reserve_packet_buffer(), l2cap_send_prepared_connectionless(), and little_endian_store_16().

Referenced by send_gatt_included_service_uuid_request(), send_gatt_read_characteristic_descriptor_request(), and send_gatt_read_characteristic_value_request().

static void att_write_request	(	uint16_t	request_type,
		uint16_t	peripheral_handle,
		uint16_t	attribute_handle,
		uint16_t	value_length,
		uint8_t *	value
	)

static

References L2CAP_CID_ATTRIBUTE_PROTOCOL, l2cap_get_outgoing_buffer(), l2cap_reserve_packet_buffer(), l2cap_send_prepared_connectionless(), and little_endian_store_16().

Referenced by gatt_client_write_value_of_characteristic_without_response(), send_gatt_write_attribute_value_request(), and send_gatt_write_client_characteristic_configuration_request().

static void characteristic_end_found	(	gatt_client_t *	peripheral,
		uint16_t	end_handle
	)

static

References gatt_client::attribute_handle, gatt_client::characteristic_properties, gatt_client::characteristic_start_handle, emit_gatt_characteristic_query_result_event(), and gatt_client::uuid128.

Referenced by gatt_client_att_packet_handler(), report_gatt_characteristics(), and trigger_next_characteristic_query().

static void characteristic_start_found	(	gatt_client_t *	peripheral,
		uint16_t	start_handle,
		uint8_t	properties,
		uint16_t	value_handle,
		uint8_t *	uuid,
		uint16_t	uuid_length
	)

static

References gatt_client::attribute_handle, gatt_client::characteristic_properties, gatt_client::characteristic_start_handle, gatt_client::filter_with_uuid, little_endian_read_16(), reverse_128(), gatt_client::uuid128, gatt_client::uuid16, and uuid_add_bluetooth_prefix().

Referenced by report_gatt_characteristics().

static void emit_event_new	(	btstack_packet_handler_t	callback,
		uint8_t *	packet,
		uint16_t	size
	)

static

References hci_dump_packet(), and HCI_EVENT_PACKET.

Referenced by emit_gatt_all_characteristic_descriptors_result_event(), emit_gatt_characteristic_query_result_event(), emit_gatt_complete_event(), emit_gatt_included_service_query_result_event(), emit_gatt_service_query_result_event(), report_gatt_characteristic_descriptor(), report_gatt_characteristic_value(), report_gatt_long_characteristic_descriptor(), and report_gatt_long_characteristic_value_blob().

static void emit_event_to_registered_listeners	(	hci_con_handle_t	con_handle,
		uint16_t	attribute_handle,
		uint8_t *	packet,
		uint16_t	size
	)

static

References gatt_client_notification::attribute_handle, btstack_linked_list_iterator_has_next(), btstack_linked_list_iterator_init(), btstack_linked_list_iterator_next(), gatt_client_notification::callback, gatt_client_notification::con_handle, and HCI_EVENT_PACKET.

Referenced by report_gatt_indication(), and report_gatt_notification().

static void emit_gatt_all_characteristic_descriptors_result_event	(	gatt_client_t *	peripheral,
		uint16_t	descriptor_handle,
		uint8_t *	uuid128
	)

static

References gatt_client::callback, gatt_client::con_handle, emit_event_new(), GATT_EVENT_ALL_CHARACTERISTIC_DESCRIPTORS_QUERY_RESULT, little_endian_store_16(), and reverse_128().

Referenced by report_gatt_all_characteristic_descriptors().

static void emit_gatt_characteristic_query_result_event	(	gatt_client_t *	peripheral,
		uint16_t	start_handle,
		uint16_t	value_handle,
		uint16_t	end_handle,
		uint16_t	properties,
		uint8_t *	uuid128
	)

static

References gatt_client::callback, gatt_client::con_handle, emit_event_new(), GATT_EVENT_CHARACTERISTIC_QUERY_RESULT, little_endian_store_16(), and reverse_128().

Referenced by characteristic_end_found().

static void emit_gatt_complete_event	(	gatt_client_t *	peripheral,
		uint8_t	status
	)

static

References gatt_client::callback, gatt_client::con_handle, emit_event_new(), GATT_EVENT_QUERY_COMPLETE, little_endian_store_16(), and status.

Referenced by gatt_client_att_packet_handler(), gatt_client_discover_characteristic_descriptors(), gatt_client_report_error_if_pending(), gatt_client_run(), trigger_next_blob_query(), and trigger_next_query().

static void emit_gatt_included_service_query_result_event	(	gatt_client_t *	peripheral,
		uint16_t	include_handle,
		uint16_t	start_group_handle,
		uint16_t	end_group_handle,
		uint8_t *	uuid128
	)

static

References gatt_client::callback, gatt_client::con_handle, emit_event_new(), GATT_EVENT_INCLUDED_SERVICE_QUERY_RESULT, little_endian_store_16(), and reverse_128().

Referenced by report_gatt_included_service_uuid128(), and report_gatt_included_service_uuid16().

static void emit_gatt_service_query_result_event	(	gatt_client_t *	peripheral,
		uint16_t	start_group_handle,
		uint16_t	end_group_handle,
		uint8_t *	uuid128
	)

static

References gatt_client::callback, gatt_client::con_handle, emit_event_new(), GATT_EVENT_SERVICE_QUERY_RESULT, little_endian_store_16(), and reverse_128().

Referenced by gatt_client_att_packet_handler(), and report_gatt_services().

static void gatt_client_att_packet_handler	(	uint8_t	packet_type,
		uint16_t	handle,
		uint8_t *	packet,
		uint16_t	size
	)

static

Referenced by gatt_client_init().

uint8_t gatt_client_cancel_write	(	btstack_packet_handler_t	callback,
		hci_con_handle_t	con_handle
	)

-> gatt complete event

References BTSTACK_MEMORY_ALLOC_FAILED, callback, gatt_client::callback, GATT_CLIENT_IN_WRONG_STATE, gatt_client_run(), gatt_client::gatt_client_state, is_ready(), P_W2_CANCEL_PREPARED_WRITE, and provide_context_for_conn_handle_and_start_timer().

void gatt_client_deserialize_characteristic	(	const uint8_t *	packet,
		int	offset,
		gatt_client_characteristic_t *	characteristic
	)

References big_endian_read_32(), gatt_client_characteristic_t::end_handle, little_endian_read_16(), gatt_client_characteristic_t::properties, reverse_128(), gatt_client_characteristic_t::start_handle, gatt_client_characteristic_t::uuid128, gatt_client_characteristic_t::uuid16, uuid_has_bluetooth_prefix(), and gatt_client_characteristic_t::value_handle.

void gatt_client_deserialize_characteristic_descriptor	(	const uint8_t *	packet,
		int	offset,
		gatt_client_characteristic_descriptor_t *	descriptor
	)

References gatt_client_characteristic_descriptor_t::handle, little_endian_read_16(), reverse_128(), and gatt_client_characteristic_descriptor_t::uuid128.

void gatt_client_deserialize_service	(	const uint8_t *	packet,
		int	offset,
		gatt_client_service_t *	service
	)

References big_endian_read_32(), gatt_client_service_t::end_group_handle, little_endian_read_16(), reverse_128(), gatt_client_service_t::start_group_handle, gatt_client_service_t::uuid128, gatt_client_service_t::uuid16, and uuid_has_bluetooth_prefix().

uint8_t gatt_client_discover_characteristic_descriptors	(	btstack_packet_handler_t	callback,
		hci_con_handle_t	con_handle,
		gatt_client_characteristic_t *	characteristic
	)

Discovers attribute handle and UUID of a characteristic descriptor within the specified characteristic.

For each found descriptor, an le_characteristic_descriptor_event_t with type set to GATT_EVENT_ALL_CHARACTERISTIC_DESCRIPTORS_QUERY_RESULT will be generated and passed to the registered callback. The gatt_complete_event_t with type set to GATT_EVENT_QUERY_COMPLETE, marks the end of discovery.

References BTSTACK_MEMORY_ALLOC_FAILED, callback, gatt_client::callback, emit_gatt_complete_event(), gatt_client::end_group_handle, gatt_client_characteristic_t::end_handle, GATT_CLIENT_IN_WRONG_STATE, gatt_client_run(), gatt_client::gatt_client_state, is_ready(), P_W2_SEND_ALL_CHARACTERISTIC_DESCRIPTORS_QUERY, provide_context_for_conn_handle_and_start_timer(), gatt_client::start_group_handle, and gatt_client_characteristic_t::value_handle.

uint8_t gatt_client_discover_characteristics_for_handle_range_by_uuid128	(	btstack_packet_handler_t	callback,
		hci_con_handle_t	con_handle,
		uint16_t	start_handle,
		uint16_t	end_handle,
		uint8_t *	uuid128
	)

References BTSTACK_MEMORY_ALLOC_FAILED, callback, gatt_client::callback, gatt_client::characteristic_start_handle, gatt_client::end_group_handle, gatt_client::filter_with_uuid, GATT_CLIENT_IN_WRONG_STATE, gatt_client_run(), gatt_client::gatt_client_state, is_ready(), P_W2_SEND_CHARACTERISTIC_WITH_UUID_QUERY, provide_context_for_conn_handle_and_start_timer(), gatt_client::start_group_handle, gatt_client::uuid128, and gatt_client::uuid16.

Referenced by gatt_client_discover_characteristics_for_service_by_uuid128().

uint8_t gatt_client_discover_characteristics_for_handle_range_by_uuid16	(	btstack_packet_handler_t	callback,
		hci_con_handle_t	con_handle,
		uint16_t	start_handle,
		uint16_t	end_handle,
		uint16_t	uuid16
	)

The following four functions are used to discover all characteristics within the specified service or handle range, and return those that match the given UUID.

For each found characteristic, an le_characteristic_event_t with type set to GATT_EVENT_CHARACTERISTIC_QUERY_RESULT will be generated and passed to the registered callback. The gatt_complete_event_t with type set to GATT_EVENT_QUERY_COMPLETE, marks the end of discovery.

References BTSTACK_MEMORY_ALLOC_FAILED, callback, gatt_client::callback, gatt_client::characteristic_start_handle, gatt_client::end_group_handle, gatt_client::filter_with_uuid, GATT_CLIENT_IN_WRONG_STATE, gatt_client_run(), gatt_client::gatt_client_state, is_ready(), P_W2_SEND_CHARACTERISTIC_WITH_UUID_QUERY, provide_context_for_conn_handle_and_start_timer(), gatt_client::start_group_handle, gatt_client::uuid128, gatt_client::uuid16, and uuid_add_bluetooth_prefix().

Referenced by gatt_client_discover_characteristics_for_service_by_uuid16().

uint8_t gatt_client_discover_characteristics_for_service	(	btstack_packet_handler_t	callback,
		hci_con_handle_t	con_handle,
		gatt_client_service_t *	service
	)

Discovers all characteristics within the specified service.

For each found characteristic, an le_characteristics_event_t with type set to GATT_EVENT_CHARACTERISTIC_QUERY_RESULT will be generated and passed to the registered callback. The gatt_complete_event_t with type set to GATT_EVENT_QUERY_COMPLETE, marks the end of discovery.

References BTSTACK_MEMORY_ALLOC_FAILED, callback, gatt_client::callback, gatt_client::characteristic_start_handle, gatt_client::end_group_handle, gatt_client_service_t::end_group_handle, gatt_client::filter_with_uuid, GATT_CLIENT_IN_WRONG_STATE, gatt_client_run(), gatt_client::gatt_client_state, is_ready(), P_W2_SEND_ALL_CHARACTERISTICS_OF_SERVICE_QUERY, provide_context_for_conn_handle_and_start_timer(), gatt_client::start_group_handle, and gatt_client_service_t::start_group_handle.

Referenced by handle_hci_event().

uint8_t gatt_client_discover_characteristics_for_service_by_uuid128	(	btstack_packet_handler_t	callback,
		uint16_t	handle,
		gatt_client_service_t *	service,
		uint8_t *	uuid128
	)

References gatt_client_service_t::end_group_handle, gatt_client_discover_characteristics_for_handle_range_by_uuid128(), and gatt_client_service_t::start_group_handle.

uint8_t gatt_client_discover_characteristics_for_service_by_uuid16	(	btstack_packet_handler_t	callback,
		uint16_t	handle,
		gatt_client_service_t *	service,
		uint16_t	uuid16
	)

References gatt_client_service_t::end_group_handle, gatt_client_discover_characteristics_for_handle_range_by_uuid16(), and gatt_client_service_t::start_group_handle.

uint8_t gatt_client_discover_primary_services	(	btstack_packet_handler_t	callback,
		hci_con_handle_t	con_handle
	)

Discovers all primary services.

For each found service, an le_service_event_t with type set to GATT_EVENT_SERVICE_QUERY_RESULT will be generated and passed to the registered callback. The gatt_complete_event_t, with type set to GATT_EVENT_QUERY_COMPLETE, marks the end of discovery.

References BTSTACK_MEMORY_ALLOC_FAILED, callback, gatt_client::callback, gatt_client::end_group_handle, GATT_CLIENT_IN_WRONG_STATE, gatt_client_run(), gatt_client::gatt_client_state, is_ready(), P_W2_SEND_SERVICE_QUERY, provide_context_for_conn_handle_and_start_timer(), gatt_client::start_group_handle, and gatt_client::uuid16.

uint8_t gatt_client_discover_primary_services_by_uuid128	(	btstack_packet_handler_t	callback,
		hci_con_handle_t	con_handle,
		const uint8_t *	uuid128
	)

References BTSTACK_MEMORY_ALLOC_FAILED, callback, gatt_client::callback, gatt_client::end_group_handle, GATT_CLIENT_IN_WRONG_STATE, gatt_client_run(), gatt_client::gatt_client_state, is_ready(), P_W2_SEND_SERVICE_WITH_UUID_QUERY, provide_context_for_conn_handle_and_start_timer(), gatt_client::start_group_handle, gatt_client::uuid128, and gatt_client::uuid16.

Referenced by handle_hci_event().

uint8_t gatt_client_discover_primary_services_by_uuid16	(	btstack_packet_handler_t	callback,
		hci_con_handle_t	con_handle,
		uint16_t	uuid16
	)

Discovers a specific primary service given its UUID.

This service may exist multiple times. For each found service, an le_service_event_t with type set to GATT_EVENT_SERVICE_QUERY_RESULT will be generated and passed to the registered callback. The gatt_complete_event_t, with type set to GATT_EVENT_QUERY_COMPLETE, marks the end of discovery.

References BTSTACK_MEMORY_ALLOC_FAILED, callback, gatt_client::callback, gatt_client::end_group_handle, GATT_CLIENT_IN_WRONG_STATE, gatt_client_run(), gatt_client::gatt_client_state, is_ready(), P_W2_SEND_SERVICE_WITH_UUID_QUERY, provide_context_for_conn_handle_and_start_timer(), gatt_client::start_group_handle, gatt_client::uuid128, gatt_client::uuid16, and uuid_add_bluetooth_prefix().

uint8_t gatt_client_execute_write	(	btstack_packet_handler_t	callback,
		hci_con_handle_t	con_handle
	)

-> gatt complete event

References BTSTACK_MEMORY_ALLOC_FAILED, callback, gatt_client::callback, GATT_CLIENT_IN_WRONG_STATE, gatt_client_run(), gatt_client::gatt_client_state, is_ready(), P_W2_EXECUTE_PREPARED_WRITE, and provide_context_for_conn_handle_and_start_timer().

uint8_t gatt_client_find_included_services_for_service	(	btstack_packet_handler_t	callback,
		hci_con_handle_t	con_handle,
		gatt_client_service_t *	service
	)

Finds included services within the specified service.

For each found included service, an le_service_event_t with type set to GATT_EVENT_INCLUDED_SERVICE_QUERY_RESULT will be generated and passed to the registered callback. The gatt_complete_event_t with type set to GATT_EVENT_QUERY_COMPLETE, marks the end of discovery. Information about included service type (primary/secondary) can be retrieved either by sending an ATT find information request for the returned start group handle (returning the handle and the UUID for primary or secondary service) or by comparing the service to the list of all primary services.

References BTSTACK_MEMORY_ALLOC_FAILED, callback, gatt_client::callback, gatt_client::end_group_handle, gatt_client_service_t::end_group_handle, GATT_CLIENT_IN_WRONG_STATE, gatt_client_run(), gatt_client::gatt_client_state, is_ready(), P_W2_SEND_INCLUDED_SERVICE_QUERY, provide_context_for_conn_handle_and_start_timer(), gatt_client::start_group_handle, and gatt_client_service_t::start_group_handle.

static gatt_client_t* gatt_client_for_timer ( btstack_timer_source_t * ts )

static

References btstack_linked_list_iterator_has_next(), btstack_linked_list_iterator_init(), btstack_linked_list_iterator_next(), gatt_client::gc_timeout, and NULL.

Referenced by gatt_client_timeout_handler().

uint8_t gatt_client_get_mtu	(	hci_con_handle_t	con_handle,
		uint16_t *	mtu
	)

MTU is available after the first query has completed.

If status is equal to 0, it returns the real value, otherwise the default value of 23.

References ATT_DEFAULT_MTU, GATT_CLIENT_IN_WRONG_STATE, gatt_client::mtu, MTU_EXCHANGED, gatt_client::mtu_state, and provide_context_for_conn_handle().

static void gatt_client_handle_transaction_complete ( gatt_client_t * peripheral )

static

References gatt_client::gatt_client_state, gatt_client_timeout_stop(), and P_READY.

Referenced by gatt_client_att_packet_handler(), gatt_client_report_error_if_pending(), gatt_client_run(), trigger_next_blob_query(), and trigger_next_query().

static void gatt_client_hci_event_packet_handler	(	uint8_t	packet_type,
		uint16_t	channel,
		uint8_t *	packet,
		uint16_t	size
	)

static

References ATT_ERROR_HCI_DISCONNECT_RECEIVED, btstack_linked_list_remove(), con_handle, gatt_client_report_error_if_pending(), gatt_client_run(), get_gatt_client_context_for_handle(), HCI_EVENT_DISCONNECTION_COMPLETE, HCI_EVENT_PACKET, hci_event_packet_get_type(), little_endian_read_16(), log_info, and UNUSED.

Referenced by gatt_client_init().

void gatt_client_init ( void )

Set up GATT client.

References att_dispatch_register_client(), btstack_packet_callback_registration_t::callback, gatt_client_att_packet_handler(), gatt_client_hci_event_packet_handler(), hci_add_event_handler(), NULL, and pts_suppress_mtu_exchange.

int gatt_client_is_ready ( hci_con_handle_t con_handle )

Returns if the GATT client is ready to receive a query.

It is used with daemon.

References is_ready(), and provide_context_for_conn_handle().

void gatt_client_listen_for_characteristic_value_updates	(	gatt_client_notification_t *	notification,
		btstack_packet_handler_t	packet_handler,
		hci_con_handle_t	con_handle,
		gatt_client_characteristic_t *	characteristic
	)

Register for notifications and indications of a characteristic enabled by gatt_client_write_client_characteristic_configuration.

Parameters

notification	struct used to store registration
packet_handler
con_handle
characteristic

References gatt_client_notification::attribute_handle, btstack_linked_list_add(), gatt_client_notification::callback, con_handle, gatt_client_notification::con_handle, packet_handler, and gatt_client_characteristic_t::value_handle.

Referenced by handle_hci_event().

uint8_t gatt_client_prepare_write	(	btstack_packet_handler_t	callback,
		hci_con_handle_t	con_handle,
		uint16_t	attribute_handle,
		uint16_t	offset,
		uint16_t	length,
		uint8_t *	data
	)

-> gatt complete event

References gatt_client::attribute_handle, gatt_client::attribute_length, gatt_client::attribute_offset, gatt_client::attribute_value, BTSTACK_MEMORY_ALLOC_FAILED, callback, gatt_client::callback, GATT_CLIENT_IN_WRONG_STATE, gatt_client_run(), gatt_client::gatt_client_state, is_ready(), P_W2_PREPARE_WRITE_SINGLE, and provide_context_for_conn_handle_and_start_timer().

void gatt_client_pts_suppress_mtu_exchange ( void )

References pts_suppress_mtu_exchange.

uint8_t gatt_client_read_characteristic_descriptor	(	btstack_packet_handler_t	callback,
		hci_con_handle_t	con_handle,
		gatt_client_characteristic_descriptor_t *	descriptor
	)

Reads the characteristic descriptor using its handle.

If the characteristic descriptor is found, an le_characteristic_descriptor_event_t with type set to GATT_EVENT_CHARACTERISTIC_DESCRIPTOR_QUERY_RESULT will be generated and passed to the registered callback. The gatt_complete_event_t with type set to GATT_EVENT_QUERY_COMPLETE, marks the end of read.

References gatt_client_read_characteristic_descriptor_using_descriptor_handle(), and gatt_client_characteristic_descriptor_t::handle.

uint8_t gatt_client_read_characteristic_descriptor_using_descriptor_handle	(	btstack_packet_handler_t	callback,
		hci_con_handle_t	con_handle,
		uint16_t	descriptor_handle
	)

References gatt_client::attribute_handle, BTSTACK_MEMORY_ALLOC_FAILED, callback, gatt_client::callback, GATT_CLIENT_IN_WRONG_STATE, gatt_client_run(), gatt_client::gatt_client_state, is_ready(), P_W2_SEND_READ_CHARACTERISTIC_DESCRIPTOR_QUERY, and provide_context_for_conn_handle_and_start_timer().

Referenced by gatt_client_read_characteristic_descriptor().

uint8_t gatt_client_read_long_characteristic_descriptor	(	btstack_packet_handler_t	callback,
		hci_con_handle_t	con_handle,
		gatt_client_characteristic_descriptor_t *	descriptor
	)

Reads the long characteristic descriptor using its handle.

It will be returned in several blobs. For each blob, an le_characteristic_descriptor_event_t with type set to GATT_EVENT_CHARACTERISTIC_DESCRIPTOR_QUERY_RESULT will be generated and passed to the registered callback. The gatt_complete_event_t with type set to GATT_EVENT_QUERY_COMPLETE, marks the end of read.

References gatt_client_read_long_characteristic_descriptor_using_descriptor_handle(), and gatt_client_characteristic_descriptor_t::handle.

uint8_t gatt_client_read_long_characteristic_descriptor_using_descriptor_handle	(	btstack_packet_handler_t	callback,
		hci_con_handle_t	con_handle,
		uint16_t	descriptor_handle
	)

References gatt_client_read_long_characteristic_descriptor_using_descriptor_handle_with_offset().

Referenced by gatt_client_read_long_characteristic_descriptor().

uint8_t gatt_client_read_long_characteristic_descriptor_using_descriptor_handle_with_offset	(	btstack_packet_handler_t	callback,
		hci_con_handle_t	con_handle,
		uint16_t	descriptor_handle,
		uint16_t	offset
	)

References gatt_client::attribute_handle, gatt_client::attribute_offset, BTSTACK_MEMORY_ALLOC_FAILED, callback, gatt_client::callback, GATT_CLIENT_IN_WRONG_STATE, gatt_client_run(), gatt_client::gatt_client_state, is_ready(), P_W2_SEND_READ_BLOB_CHARACTERISTIC_DESCRIPTOR_QUERY, and provide_context_for_conn_handle_and_start_timer().

Referenced by gatt_client_read_long_characteristic_descriptor_using_descriptor_handle().

uint8_t gatt_client_read_long_value_of_characteristic	(	btstack_packet_handler_t	callback,
		hci_con_handle_t	con_handle,
		gatt_client_characteristic_t *	characteristic
	)

Reads the long characteristic value using the characteristic's value handle.

The value will be returned in several blobs. For each blob, an le_characteristic_value_event_t with type set to GATT_EVENT_CHARACTERISTIC_VALUE_QUERY_RESULT and updated value offset will be generated and passed to the registered callback. The gatt_complete_event_t with type set to GATT_EVENT_QUERY_COMPLETE, mark the end of read.

References gatt_client_read_long_value_of_characteristic_using_value_handle(), and gatt_client_characteristic_t::value_handle.

uint8_t gatt_client_read_long_value_of_characteristic_using_value_handle	(	btstack_packet_handler_t	callback,
		hci_con_handle_t	con_handle,
		uint16_t	characteristic_value_handle
	)

References gatt_client_read_long_value_of_characteristic_using_value_handle_with_offset().

Referenced by gatt_client_read_long_value_of_characteristic().

uint8_t gatt_client_read_long_value_of_characteristic_using_value_handle_with_offset	(	btstack_packet_handler_t	callback,
		hci_con_handle_t	con_handle,
		uint16_t	characteristic_value_handle,
		uint16_t	offset
	)

References gatt_client::attribute_handle, gatt_client::attribute_offset, BTSTACK_MEMORY_ALLOC_FAILED, callback, gatt_client::callback, GATT_CLIENT_IN_WRONG_STATE, gatt_client_run(), gatt_client::gatt_client_state, is_ready(), P_W2_SEND_READ_BLOB_QUERY, and provide_context_for_conn_handle_and_start_timer().

Referenced by gatt_client_read_long_value_of_characteristic_using_value_handle().

uint8_t gatt_client_read_multiple_characteristic_values	(	btstack_packet_handler_t	callback,
		hci_con_handle_t	con_handle,
		int	num_value_handles,
		uint16_t *	value_handles
	)

References BTSTACK_MEMORY_ALLOC_FAILED, callback, gatt_client::callback, GATT_CLIENT_IN_WRONG_STATE, gatt_client_run(), gatt_client::gatt_client_state, is_ready(), P_W2_SEND_READ_MULTIPLE_REQUEST, provide_context_for_conn_handle_and_start_timer(), gatt_client::read_multiple_handle_count, and gatt_client::read_multiple_handles.

uint8_t gatt_client_read_value_of_characteristic	(	btstack_packet_handler_t	callback,
		hci_con_handle_t	con_handle,
		gatt_client_characteristic_t *	characteristic
	)

Reads the characteristic value using the characteristic's value handle.

If the characteristic value is found, an le_characteristic_value_event_t with type set to GATT_EVENT_CHARACTERISTIC_VALUE_QUERY_RESULT will be generated and passed to the registered callback. The gatt_complete_event_t with type set to GATT_EVENT_QUERY_COMPLETE, marks the end of read.

References gatt_client_read_value_of_characteristic_using_value_handle(), and gatt_client_characteristic_t::value_handle.

uint8_t gatt_client_read_value_of_characteristic_using_value_handle	(	btstack_packet_handler_t	callback,
		hci_con_handle_t	con_handle,
		uint16_t	value_handle
	)

References gatt_client::attribute_handle, gatt_client::attribute_offset, BTSTACK_MEMORY_ALLOC_FAILED, callback, gatt_client::callback, GATT_CLIENT_IN_WRONG_STATE, gatt_client_run(), gatt_client::gatt_client_state, is_ready(), P_W2_SEND_READ_CHARACTERISTIC_VALUE_QUERY, and provide_context_for_conn_handle_and_start_timer().

Referenced by gatt_client_read_value_of_characteristic().

uint8_t gatt_client_read_value_of_characteristics_by_uuid128	(	btstack_packet_handler_t	callback,
		hci_con_handle_t	con_handle,
		uint16_t	start_handle,
		uint16_t	end_handle,
		uint8_t *	uuid128
	)

References BTSTACK_MEMORY_ALLOC_FAILED, callback, gatt_client::callback, gatt_client::end_group_handle, GATT_CLIENT_IN_WRONG_STATE, gatt_client_run(), gatt_client::gatt_client_state, is_ready(), P_W2_SEND_READ_BY_TYPE_REQUEST, provide_context_for_conn_handle_and_start_timer(), gatt_client::query_end_handle, gatt_client::query_start_handle, gatt_client::start_group_handle, gatt_client::uuid128, and gatt_client::uuid16.

uint8_t gatt_client_read_value_of_characteristics_by_uuid16	(	btstack_packet_handler_t	callback,
		hci_con_handle_t	con_handle,
		uint16_t	start_handle,
		uint16_t	end_handle,
		uint16_t	uuid16
	)

Reads the characteric value of all characteristics with the uuid.

For each found, an le_characteristic_value_event_t with type set to GATT_EVENT_CHARACTERISTIC_VALUE_QUERY_RESULT will be generated and passed to the registered callback. The gatt_complete_event_t with type set to GATT_EVENT_QUERY_COMPLETE, marks the end of read.

References BTSTACK_MEMORY_ALLOC_FAILED, callback, gatt_client::callback, gatt_client::end_group_handle, GATT_CLIENT_IN_WRONG_STATE, gatt_client_run(), gatt_client::gatt_client_state, is_ready(), P_W2_SEND_READ_BY_TYPE_REQUEST, provide_context_for_conn_handle_and_start_timer(), gatt_client::query_end_handle, gatt_client::query_start_handle, gatt_client::start_group_handle, gatt_client::uuid128, gatt_client::uuid16, and uuid_add_bluetooth_prefix().

uint8_t gatt_client_reliable_write_long_value_of_characteristic	(	btstack_packet_handler_t	callback,
		hci_con_handle_t	con_handle,
		uint16_t	characteristic_value_handle,
		uint16_t	length,
		uint8_t *	data
	)

Writes of the long characteristic value using the characteristic's value handle.

It uses server response to validate that the write was correctly received. The gatt_complete_event_t with type set to GATT_EVENT_QUERY_COMPLETE marks the end of write. The write is successfully performed, if the event's status field is set to 0.

References gatt_client::attribute_handle, gatt_client::attribute_length, gatt_client::attribute_offset, gatt_client::attribute_value, BTSTACK_MEMORY_ALLOC_FAILED, callback, gatt_client::callback, GATT_CLIENT_IN_WRONG_STATE, gatt_client_run(), gatt_client::gatt_client_state, is_ready(), P_W2_PREPARE_RELIABLE_WRITE, and provide_context_for_conn_handle_and_start_timer().

static void gatt_client_report_error_if_pending	(	gatt_client_t *	peripheral,
		uint8_t	error_code
	)

static

References emit_gatt_complete_event(), gatt_client_handle_transaction_complete(), and is_ready().

Referenced by gatt_client_att_packet_handler(), gatt_client_hci_event_packet_handler(), and gatt_client_timeout_handler().

static void gatt_client_run ( void )

static

Referenced by gatt_client_att_packet_handler(), gatt_client_cancel_write(), gatt_client_discover_characteristic_descriptors(), gatt_client_discover_characteristics_for_handle_range_by_uuid128(), gatt_client_discover_characteristics_for_handle_range_by_uuid16(), gatt_client_discover_characteristics_for_service(), gatt_client_discover_primary_services(), gatt_client_discover_primary_services_by_uuid128(), gatt_client_discover_primary_services_by_uuid16(), gatt_client_execute_write(), gatt_client_find_included_services_for_service(), gatt_client_hci_event_packet_handler(), gatt_client_prepare_write(), gatt_client_read_characteristic_descriptor_using_descriptor_handle(), gatt_client_read_long_characteristic_descriptor_using_descriptor_handle_with_offset(), gatt_client_read_long_value_of_characteristic_using_value_handle_with_offset(), gatt_client_read_multiple_characteristic_values(), gatt_client_read_value_of_characteristic_using_value_handle(), gatt_client_read_value_of_characteristics_by_uuid128(), gatt_client_read_value_of_characteristics_by_uuid16(), gatt_client_reliable_write_long_value_of_characteristic(), gatt_client_write_characteristic_descriptor_using_descriptor_handle(), gatt_client_write_client_characteristic_configuration(), gatt_client_write_long_characteristic_descriptor_using_descriptor_handle_with_offset(), gatt_client_write_long_value_of_characteristic_with_offset(), and gatt_client_write_value_of_characteristic().

void gatt_client_stop_listening_for_characteristic_value_updates ( gatt_client_notification_t * notification )

Stop listening to characteristic value updates registered with gatt_client_listen_for_characteristic_value_updates.

Parameters

notification struct used in gatt_client_listen_for_characteristic_value_updates

References btstack_linked_list_remove().

static void gatt_client_timeout_handler ( btstack_timer_source_t * timer )

static

References ATT_ERROR_TIMEOUT, gatt_client::con_handle, gatt_client_for_timer(), gatt_client_report_error_if_pending(), and log_info.

Referenced by gatt_client_timeout_start().

static void gatt_client_timeout_start ( gatt_client_t * peripheral )

static

References btstack_run_loop_add_timer(), btstack_run_loop_remove_timer(), btstack_run_loop_set_timer(), btstack_run_loop_set_timer_handler(), gatt_client::con_handle, gatt_client_timeout_handler(), gatt_client::gc_timeout, and log_info.

Referenced by provide_context_for_conn_handle_and_start_timer().

static void gatt_client_timeout_stop ( gatt_client_t * peripheral )

static

References btstack_run_loop_remove_timer(), gatt_client::con_handle, gatt_client::gc_timeout, and log_info.

Referenced by gatt_client_handle_transaction_complete().

uint8_t gatt_client_write_characteristic_descriptor	(	btstack_packet_handler_t	callback,
		hci_con_handle_t	con_handle,
		gatt_client_characteristic_descriptor_t *	descriptor,
		uint16_t	length,
		uint8_t *	data
	)

Writes the characteristic descriptor using its handle.

The gatt_complete_event_t with type set to GATT_EVENT_QUERY_COMPLETE, marks the end of write. The write is successfully performed, if the event's status field is set to 0.

References gatt_client_write_characteristic_descriptor_using_descriptor_handle(), and gatt_client_characteristic_descriptor_t::handle.

uint8_t gatt_client_write_characteristic_descriptor_using_descriptor_handle	(	btstack_packet_handler_t	callback,
		hci_con_handle_t	con_handle,
		uint16_t	descriptor_handle,
		uint16_t	length,
		uint8_t *	data
	)

References gatt_client::attribute_handle, gatt_client::attribute_length, gatt_client::attribute_offset, gatt_client::attribute_value, BTSTACK_MEMORY_ALLOC_FAILED, callback, gatt_client::callback, GATT_CLIENT_IN_WRONG_STATE, gatt_client_run(), gatt_client::gatt_client_state, is_ready(), P_W2_SEND_WRITE_CHARACTERISTIC_DESCRIPTOR, and provide_context_for_conn_handle_and_start_timer().

Referenced by gatt_client_write_characteristic_descriptor().

uint8_t gatt_client_write_client_characteristic_configuration	(	btstack_packet_handler_t	callback,
		hci_con_handle_t	con_handle,
		gatt_client_characteristic_t *	characteristic,
		uint16_t	configuration
	)

Writes the client characteristic configuration of the specified characteristic.

It is used to subscribe for notifications or indications of the characteristic value. For notifications or indications specify: GATT_CLIENT_CHARACTERISTICS_CONFIGURATION_NOTIFICATION resp. GATT_CLIENT_CHARACTERISTICS_CONFIGURATION_INDICATION as configuration value.

References ATT_PROPERTY_INDICATE, ATT_PROPERTY_NOTIFY, BTSTACK_MEMORY_ALLOC_FAILED, callback, gatt_client::callback, gatt_client::client_characteristic_configuration_value, gatt_client::end_group_handle, gatt_client_characteristic_t::end_handle, GATT_CLIENT_CHARACTERISTIC_INDICATION_NOT_SUPPORTED, GATT_CLIENT_CHARACTERISTIC_NOTIFICATION_NOT_SUPPORTED, GATT_CLIENT_CHARACTERISTICS_CONFIGURATION_INDICATION, GATT_CLIENT_CHARACTERISTICS_CONFIGURATION_NOTIFICATION, GATT_CLIENT_IN_WRONG_STATE, gatt_client_run(), gatt_client::gatt_client_state, is_ready(), little_endian_store_16(), log_info, P_W2_SEND_READ_CLIENT_CHARACTERISTIC_CONFIGURATION_QUERY, gatt_client_characteristic_t::properties, provide_context_for_conn_handle_and_start_timer(), gatt_client::start_group_handle, and gatt_client_characteristic_t::value_handle.

Referenced by handle_hci_event().

uint8_t gatt_client_write_long_characteristic_descriptor	(	btstack_packet_handler_t	callback,
		hci_con_handle_t	con_handle,
		gatt_client_characteristic_descriptor_t *	descriptor,
		uint16_t	length,
		uint8_t *	value
	)

References gatt_client_write_long_characteristic_descriptor_using_descriptor_handle(), and gatt_client_characteristic_descriptor_t::handle.

uint8_t gatt_client_write_long_characteristic_descriptor_using_descriptor_handle	(	btstack_packet_handler_t	callback,
		hci_con_handle_t	con_handle,
		uint16_t	descriptor_handle,
		uint16_t	length,
		uint8_t *	data
	)

References gatt_client_write_long_characteristic_descriptor_using_descriptor_handle_with_offset().

Referenced by gatt_client_write_long_characteristic_descriptor().

uint8_t gatt_client_write_long_characteristic_descriptor_using_descriptor_handle_with_offset	(	btstack_packet_handler_t	callback,
		hci_con_handle_t	con_handle,
		uint16_t	descriptor_handle,
		uint16_t	offset,
		uint16_t	length,
		uint8_t *	data
	)

References gatt_client::attribute_handle, gatt_client::attribute_length, gatt_client::attribute_offset, gatt_client::attribute_value, BTSTACK_MEMORY_ALLOC_FAILED, callback, gatt_client::callback, GATT_CLIENT_IN_WRONG_STATE, gatt_client_run(), gatt_client::gatt_client_state, is_ready(), P_W2_PREPARE_WRITE_CHARACTERISTIC_DESCRIPTOR, and provide_context_for_conn_handle_and_start_timer().

Referenced by gatt_client_write_long_characteristic_descriptor_using_descriptor_handle().

uint8_t gatt_client_write_long_value_of_characteristic	(	btstack_packet_handler_t	callback,
		hci_con_handle_t	con_handle,
		uint16_t	value_handle,
		uint16_t	value_length,
		uint8_t *	value
	)

References gatt_client_write_long_value_of_characteristic_with_offset().

uint8_t gatt_client_write_long_value_of_characteristic_with_offset	(	btstack_packet_handler_t	callback,
		hci_con_handle_t	con_handle,
		uint16_t	value_handle,
		uint16_t	offset,
		uint16_t	value_length,
		uint8_t *	data
	)

References gatt_client::attribute_handle, gatt_client::attribute_length, gatt_client::attribute_offset, gatt_client::attribute_value, BTSTACK_MEMORY_ALLOC_FAILED, callback, gatt_client::callback, GATT_CLIENT_IN_WRONG_STATE, gatt_client_run(), gatt_client::gatt_client_state, is_ready(), P_W2_PREPARE_WRITE, and provide_context_for_conn_handle_and_start_timer().

Referenced by gatt_client_write_long_value_of_characteristic().

uint8_t gatt_client_write_value_of_characteristic	(	btstack_packet_handler_t	callback,
		hci_con_handle_t	con_handle,
		uint16_t	characteristic_value_handle,
		uint16_t	length,
		uint8_t *	data
	)

Writes the characteristic value using the characteristic's value handle.

The gatt_complete_event_t with type set to GATT_EVENT_QUERY_COMPLETE, marks the end of write. The write is successfully performed, if the event's status field is set to 0.

References gatt_client::attribute_handle, gatt_client::attribute_length, gatt_client::attribute_value, BTSTACK_MEMORY_ALLOC_FAILED, callback, gatt_client::callback, GATT_CLIENT_IN_WRONG_STATE, gatt_client_run(), gatt_client::gatt_client_state, is_ready(), P_W2_SEND_WRITE_CHARACTERISTIC_VALUE, and provide_context_for_conn_handle_and_start_timer().

Referenced by handle_hci_event().

uint8_t gatt_client_write_value_of_characteristic_without_response	(	hci_con_handle_t	con_handle,
		uint16_t	value_handle,
		uint16_t	value_length,
		uint8_t *	value
	)

Writes the characteristic value using the characteristic's value handle without an acknowledgment that the write was successfully performed.

References att_dispatch_client_can_send_now(), ATT_WRITE_COMMAND, att_write_request(), BTSTACK_MEMORY_ALLOC_FAILED, gatt_client::con_handle, GATT_CLIENT_BUSY, GATT_CLIENT_IN_WRONG_STATE, GATT_CLIENT_VALUE_TOO_LONG, is_ready(), peripheral_mtu(), and provide_context_for_conn_handle().

static gatt_client_t* get_gatt_client_context_for_handle ( uint16_t handle )

static

References gatt_client::con_handle, btstack_linked_item::next, and NULL.

Referenced by gatt_client_att_packet_handler(), gatt_client_hci_event_packet_handler(), and provide_context_for_conn_handle().

static uint16_t get_last_result_handle_from_characteristics_list	(	uint8_t *	packet,
		uint16_t	size
	)

static

References little_endian_read_16().

Referenced by gatt_client_att_packet_handler().

static uint16_t get_last_result_handle_from_included_services_list	(	uint8_t *	packet,
		uint16_t	size
	)

static

References little_endian_read_16().

Referenced by gatt_client_att_packet_handler().

static uint16_t get_last_result_handle_from_service_list	(	uint8_t *	packet,
		uint16_t	size
	)

static

References little_endian_read_16().

Referenced by gatt_client_att_packet_handler().

static int is_query_done	(	gatt_client_t *	peripheral,
		uint16_t	last_result_handle
	)

static

References gatt_client::end_group_handle.

Referenced by trigger_next_characteristic_query(), and trigger_next_query().

static int is_ready ( gatt_client_t * context )

static

References gatt_client::gatt_client_state, and P_READY.

static int is_value_valid	(	gatt_client_t *	peripheral,
		uint8_t *	packet,
		uint16_t	size
	)

static

References gatt_client::attribute_handle, gatt_client::attribute_offset, gatt_client::attribute_value, and little_endian_read_16().

Referenced by gatt_client_att_packet_handler().

static uint16_t peripheral_mtu ( gatt_client_t * peripheral )

static

References l2cap_max_le_mtu(), log_error, and gatt_client::mtu.

Referenced by gatt_client_run(), gatt_client_write_value_of_characteristic_without_response(), trigger_next_blob_query(), and write_blob_length().

static gatt_client_t* provide_context_for_conn_handle ( hci_con_handle_t con_handle )

static

References ATT_DEFAULT_MTU, btstack_linked_list_add(), con_handle, gatt_client::con_handle, gatt_client::gatt_client_state, get_gatt_client_context_for_handle(), gatt_client::mtu, MTU_EXCHANGED, gatt_client::mtu_state, NULL, P_READY, pts_suppress_mtu_exchange, and SEND_MTU_EXCHANGE.

Referenced by gatt_client_att_packet_handler(), gatt_client_get_mtu(), gatt_client_is_ready(), gatt_client_write_value_of_characteristic_without_response(), and provide_context_for_conn_handle_and_start_timer().

static gatt_client_t* provide_context_for_conn_handle_and_start_timer ( hci_con_handle_t con_handle )

static

References gatt_client_timeout_start(), NULL, and provide_context_for_conn_handle().

Referenced by gatt_client_cancel_write(), gatt_client_discover_characteristic_descriptors(), gatt_client_discover_characteristics_for_handle_range_by_uuid128(), gatt_client_discover_characteristics_for_handle_range_by_uuid16(), gatt_client_discover_characteristics_for_service(), gatt_client_discover_primary_services(), gatt_client_discover_primary_services_by_uuid128(), gatt_client_discover_primary_services_by_uuid16(), gatt_client_execute_write(), gatt_client_find_included_services_for_service(), gatt_client_prepare_write(), gatt_client_read_characteristic_descriptor_using_descriptor_handle(), gatt_client_read_long_characteristic_descriptor_using_descriptor_handle_with_offset(), gatt_client_read_long_value_of_characteristic_using_value_handle_with_offset(), gatt_client_read_multiple_characteristic_values(), gatt_client_read_value_of_characteristic_using_value_handle(), gatt_client_read_value_of_characteristics_by_uuid128(), gatt_client_read_value_of_characteristics_by_uuid16(), gatt_client_reliable_write_long_value_of_characteristic(), gatt_client_write_characteristic_descriptor_using_descriptor_handle(), gatt_client_write_client_characteristic_configuration(), gatt_client_write_long_characteristic_descriptor_using_descriptor_handle_with_offset(), gatt_client_write_long_value_of_characteristic_with_offset(), and gatt_client_write_value_of_characteristic().

static void report_gatt_all_characteristic_descriptors	(	gatt_client_t *	peripheral,
		uint8_t *	packet,
		uint16_t	size,
		uint16_t	pair_size
	)

static

References emit_gatt_all_characteristic_descriptors_result_event(), little_endian_read_16(), reverse_128(), and uuid_add_bluetooth_prefix().

Referenced by gatt_client_att_packet_handler().

static void report_gatt_characteristic_descriptor	(	gatt_client_t *	peripheral,
		uint16_t	descriptor_handle,
		uint8_t *	value,
		uint16_t	value_length,
		uint16_t	value_offset
	)

static

References gatt_client::callback, gatt_client::con_handle, emit_event_new(), GATT_EVENT_CHARACTERISTIC_DESCRIPTOR_QUERY_RESULT, setup_characteristic_value_packet(), and UNUSED.

Referenced by gatt_client_att_packet_handler().

static void report_gatt_characteristic_value	(	gatt_client_t *	peripheral,
		uint16_t	attribute_handle,
		uint8_t *	value,
		uint16_t	length
	)

static

References gatt_client::callback, characteristic_value_event_header_size, gatt_client::con_handle, emit_event_new(), GATT_EVENT_CHARACTERISTIC_VALUE_QUERY_RESULT, and setup_characteristic_value_packet().

Referenced by gatt_client_att_packet_handler().

static void report_gatt_characteristics	(	gatt_client_t *	peripheral,
		uint8_t *	packet,
		uint16_t	size
	)

static

References characteristic_end_found(), characteristic_start_found(), and little_endian_read_16().

Referenced by gatt_client_att_packet_handler().

static void report_gatt_included_service_uuid128	(	gatt_client_t *	peripheral,
		uint16_t	include_handle,
		uint8_t *	uuid128
	)

static

References emit_gatt_included_service_query_result_event(), gatt_client::query_end_handle, and gatt_client::query_start_handle.

Referenced by gatt_client_att_packet_handler().

static void report_gatt_included_service_uuid16	(	gatt_client_t *	peripheral,
		uint16_t	include_handle,
		uint16_t	uuid16
	)

static

References emit_gatt_included_service_query_result_event(), gatt_client::query_end_handle, gatt_client::query_start_handle, and uuid_add_bluetooth_prefix().

Referenced by gatt_client_att_packet_handler().

static void report_gatt_indication	(	hci_con_handle_t	con_handle,
		uint16_t	value_handle,
		uint8_t *	value,
		int	length
	)

static

References characteristic_value_event_header_size, emit_event_to_registered_listeners(), GATT_EVENT_INDICATION, and setup_characteristic_value_packet().

Referenced by gatt_client_att_packet_handler().

static void report_gatt_long_characteristic_descriptor	(	gatt_client_t *	peripheral,
		uint16_t	descriptor_handle,
		uint8_t *	blob,
		uint16_t	blob_length,
		uint16_t	value_offset
	)

static

References gatt_client::callback, gatt_client::con_handle, emit_event_new(), GATT_EVENT_LONG_CHARACTERISTIC_DESCRIPTOR_QUERY_RESULT, long_characteristic_value_event_header_size, and setup_long_characteristic_value_packet().

Referenced by gatt_client_att_packet_handler().

static void report_gatt_long_characteristic_value_blob	(	gatt_client_t *	peripheral,
		uint16_t	attribute_handle,
		uint8_t *	blob,
		uint16_t	blob_length,
		int	value_offset
	)

static

References gatt_client::callback, gatt_client::con_handle, emit_event_new(), GATT_EVENT_LONG_CHARACTERISTIC_VALUE_QUERY_RESULT, long_characteristic_value_event_header_size, and setup_long_characteristic_value_packet().

Referenced by gatt_client_att_packet_handler().

static void report_gatt_notification	(	hci_con_handle_t	con_handle,
		uint16_t	value_handle,
		uint8_t *	value,
		int	length
	)

static

References characteristic_value_event_header_size, emit_event_to_registered_listeners(), GATT_EVENT_NOTIFICATION, and setup_characteristic_value_packet().

Referenced by gatt_client_att_packet_handler().

static void report_gatt_services	(	gatt_client_t *	peripheral,
		uint8_t *	packet,
		uint16_t	size
	)

static

References emit_gatt_service_query_result_event(), little_endian_read_16(), reverse_128(), and uuid_add_bluetooth_prefix().

Referenced by gatt_client_att_packet_handler().

static void send_gatt_by_uuid_request	(	gatt_client_t *	peripheral,
		uint16_t	attribute_group_type
	)

static

References att_find_by_type_value_request(), ATT_FIND_BY_TYPE_VALUE_REQUEST, gatt_client::con_handle, gatt_client::end_group_handle, little_endian_store_16(), reverse_128(), gatt_client::start_group_handle, gatt_client::uuid128, and gatt_client::uuid16.

Referenced by send_gatt_services_by_uuid_request().

static void send_gatt_cancel_prepared_write_request ( gatt_client_t * peripheral )

static

References att_execute_write_request(), ATT_EXECUTE_WRITE_REQUEST, and gatt_client::con_handle.

Referenced by gatt_client_run().

static void send_gatt_characteristic_descriptor_request ( gatt_client_t * peripheral )

static

References att_find_information_request(), ATT_FIND_INFORMATION_REQUEST, gatt_client::con_handle, gatt_client::end_group_handle, and gatt_client::start_group_handle.

Referenced by gatt_client_run().

static void send_gatt_characteristic_request ( gatt_client_t * peripheral )

static

References att_read_by_type_or_group_request_for_uuid16(), ATT_READ_BY_TYPE_REQUEST, gatt_client::con_handle, gatt_client::end_group_handle, GATT_CHARACTERISTICS_UUID, and gatt_client::start_group_handle.

Referenced by gatt_client_run().

static void send_gatt_execute_write_request ( gatt_client_t * peripheral )

static

References att_execute_write_request(), ATT_EXECUTE_WRITE_REQUEST, and gatt_client::con_handle.

Referenced by gatt_client_run().

static void send_gatt_included_service_request ( gatt_client_t * peripheral )

static

References att_read_by_type_or_group_request_for_uuid16(), ATT_READ_BY_TYPE_REQUEST, gatt_client::con_handle, gatt_client::end_group_handle, GATT_INCLUDE_SERVICE_UUID, and gatt_client::start_group_handle.

Referenced by gatt_client_run().

static void send_gatt_included_service_uuid_request ( gatt_client_t * peripheral )

static

References att_read_request(), ATT_READ_REQUEST, gatt_client::con_handle, and gatt_client::query_start_handle.

Referenced by gatt_client_run().

static void send_gatt_prepare_write_request ( gatt_client_t * peripheral )

static

References att_prepare_write_request(), ATT_PREPARE_WRITE_REQUEST, gatt_client::attribute_handle, gatt_client::attribute_offset, gatt_client::attribute_value, gatt_client::con_handle, and write_blob_length().

Referenced by gatt_client_run().

static void send_gatt_read_blob_request ( gatt_client_t * peripheral )

static

References att_read_blob_request(), ATT_READ_BLOB_REQUEST, gatt_client::attribute_handle, gatt_client::attribute_offset, and gatt_client::con_handle.

Referenced by gatt_client_run().

static void send_gatt_read_by_type_request ( gatt_client_t * peripheral )

static

References att_read_by_type_or_group_request_for_uuid128(), att_read_by_type_or_group_request_for_uuid16(), ATT_READ_BY_TYPE_REQUEST, gatt_client::con_handle, gatt_client::end_group_handle, gatt_client::start_group_handle, gatt_client::uuid128, and gatt_client::uuid16.

Referenced by gatt_client_run().

static void send_gatt_read_characteristic_descriptor_request ( gatt_client_t * peripheral )

static

References att_read_request(), ATT_READ_REQUEST, gatt_client::attribute_handle, and gatt_client::con_handle.

Referenced by gatt_client_run().

static void send_gatt_read_characteristic_value_request ( gatt_client_t * peripheral )

static

References att_read_request(), ATT_READ_REQUEST, gatt_client::attribute_handle, and gatt_client::con_handle.

Referenced by gatt_client_run().

static void send_gatt_read_client_characteristic_configuration_request ( gatt_client_t * peripheral )

static

References att_read_by_type_or_group_request_for_uuid16(), ATT_READ_BY_TYPE_REQUEST, gatt_client::con_handle, gatt_client::end_group_handle, GATT_CLIENT_CHARACTERISTICS_CONFIGURATION, and gatt_client::start_group_handle.

Referenced by gatt_client_run().

static void send_gatt_read_multiple_request ( gatt_client_t * peripheral )

static

References att_read_multiple_request(), gatt_client::con_handle, gatt_client::read_multiple_handle_count, and gatt_client::read_multiple_handles.

Referenced by gatt_client_run().

static void send_gatt_services_by_uuid_request ( gatt_client_t * peripheral )

static

References GATT_PRIMARY_SERVICE_UUID, and send_gatt_by_uuid_request().

Referenced by gatt_client_run().

static void send_gatt_services_request ( gatt_client_t * peripheral )

static

References ATT_READ_BY_GROUP_TYPE_REQUEST, att_read_by_type_or_group_request_for_uuid16(), gatt_client::con_handle, gatt_client::end_group_handle, GATT_PRIMARY_SERVICE_UUID, and gatt_client::start_group_handle.

Referenced by gatt_client_run().

static void send_gatt_write_attribute_value_request ( gatt_client_t * peripheral )

static

References att_write_request(), ATT_WRITE_REQUEST, gatt_client::attribute_handle, gatt_client::attribute_length, gatt_client::attribute_value, and gatt_client::con_handle.

Referenced by gatt_client_run().

static void send_gatt_write_client_characteristic_configuration_request ( gatt_client_t * peripheral )

static

References att_write_request(), ATT_WRITE_REQUEST, gatt_client::client_characteristic_configuration_handle, gatt_client::client_characteristic_configuration_value, and gatt_client::con_handle.

Referenced by gatt_client_run().

static uint8_t* setup_characteristic_value_packet	(	uint8_t	type,
		hci_con_handle_t	con_handle,
		uint16_t	attribute_handle,
		uint8_t *	value,
		uint16_t	length
	)

static

References characteristic_value_event_header_size, and little_endian_store_16().

Referenced by report_gatt_characteristic_descriptor(), report_gatt_characteristic_value(), report_gatt_indication(), and report_gatt_notification().

static uint8_t* setup_long_characteristic_value_packet	(	uint8_t	type,
		hci_con_handle_t	con_handle,
		uint16_t	attribute_handle,
		uint16_t	offset,
		uint8_t *	value,
		uint16_t	length
	)