btstack_util.h File Reference

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

Macros
#define	DEVICE_NAME_LEN   248
	The device name type. More...

Typedefs
typedef uint8_t	device_name_t [DEVICE_NAME_LEN+1]

Functions
int	bd_addr_cmp (const bd_addr_t a, const bd_addr_t b)
	Compare two Bluetooth addresses. More...
void	bd_addr_copy (bd_addr_t dest, const bd_addr_t src)
	Copy Bluetooth address. More...
char *	bd_addr_to_str (const bd_addr_t addr)
	Create human readable represenationt of Bluetooth address. More...
uint32_t	big_endian_read_16 (const uint8_t *buffer, int pos)
	Read 16/24/32 bit big endian value from buffer. More...
uint32_t	big_endian_read_24 (const uint8_t *buffer, int pos)
uint32_t	big_endian_read_32 (const uint8_t *buffer, int pos)
void	big_endian_store_16 (uint8_t *buffer, uint16_t pos, uint16_t value)
	Write 16/32 bit big endian value into buffer. More...
void	big_endian_store_24 (uint8_t *buffer, uint16_t pos, uint32_t value)
void	big_endian_store_32 (uint8_t *buffer, uint16_t pos, uint32_t value)
uint32_t	btstack_atoi (const char *str)
	Parse unsigned number. More...
uint8_t	btstack_crc8_calc (uint8_t *data, uint16_t len)
uint8_t	btstack_crc8_check (uint8_t *data, uint16_t len, uint8_t check_sum)
	CRC8 functions using ETSI TS 101 369 V6.3.0. More...
static uint16_t	btstack_flip_16 (uint16_t value)
	Swap bytes in 16 bit integer. More...
static int	btstack_is_big_endian (void)
	Check for big endian system. More...
static int	btstack_is_little_endian (void)
	Check for little endian system. More...
uint32_t	btstack_max (uint32_t a, uint32_t b)
	Maximum function for uint32_t. More...
uint32_t	btstack_min (uint32_t a, uint32_t b)
	Minimum function for uint32_t. More...
char	char_for_nibble (int nibble)
	ASCII character for 4-bit nibble. More...
int	count_set_bits_uint32 (uint32_t x)
	Return number of set bits in a uint32 number. More...
uint16_t	little_endian_read_16 (const uint8_t *buffer, int position)
	Read 16/24/32 bit little endian value from buffer. More...
uint32_t	little_endian_read_24 (const uint8_t *buffer, int position)
uint32_t	little_endian_read_32 (const uint8_t *buffer, int position)
void	little_endian_store_16 (uint8_t *buffer, uint16_t position, uint16_t value)
	Write 16/32 bit little endian value into buffer. More...
void	little_endian_store_32 (uint8_t *buffer, uint16_t position, uint32_t value)
int	nibble_for_char (char c)
	4-bit nibble from ASCII character More...
void	printf_hexdump (const void *data, int size)
	Use printf to write hexdump as single line of data. More...
void	reverse_128 (const uint8_t *src, uint8_t *dest)
void	reverse_24 (const uint8_t *src, uint8_t *dest)
	Wrapper around reverse_bytes for common buffer sizes. More...
void	reverse_256 (const uint8_t *src, uint8_t *dest)
void	reverse_48 (const uint8_t *src, uint8_t *dest)
void	reverse_56 (const uint8_t *src, uint8_t *dest)
void	reverse_64 (const uint8_t *src, uint8_t *dest)
void	reverse_bd_addr (const bd_addr_t src, bd_addr_t dest)
void	reverse_bytes (const uint8_t *src, uint8_t *dest, int len)
	Copy from source to destination and reverse byte order. More...
int	sscanf_bd_addr (const char *addr_string, bd_addr_t addr)
	Parse Bluetooth address. More...
int	string_len_for_uint32 (uint32_t i)
	Return number of digits of a uint32 number. More...
char *	uuid128_to_str (const uint8_t *uuid)
	Create human readable representation for UUID128. More...
void	uuid_add_bluetooth_prefix (uint8_t *uuid128, uint32_t short_uuid)
	Constructs UUID128 from 16 or 32 bit UUID using Bluetooth base UUID. More...
int	uuid_has_bluetooth_prefix (const uint8_t *uuid128)
	Checks if UUID128 has Bluetooth base UUID prefix. More...

#define DEVICE_NAME_LEN   248

The device name type.

Referenced by hci_initializing_run().

typedef uint8_t device_name_t[DEVICE_NAME_LEN+1]

int bd_addr_cmp	(	const bd_addr_t	a,
		const bd_addr_t	b
	)

Compare two Bluetooth addresses.

Parameters

a
b

Returns

true if equal

Parameters

a
b

Returns

0 if equal

References BD_ADDR_LEN.

Referenced by get_item().

void bd_addr_copy	(	bd_addr_t	dest,
		const bd_addr_t	src
	)

Copy Bluetooth address.

Parameters

dest
src

References BD_ADDR_LEN.

Referenced by create_connection_for_bd_addr_and_type(), event_handler(), and sscanf_bd_addr().

char* bd_addr_to_str

(

const bd_addr_t

addr

)

Create human readable represenationt of Bluetooth address.

Note

uses fixed global buffer

Returns

pointer to Bluetooth address string

References bd_addr_to_str_buffer, char_for_high_nibble(), and char_for_low_nibble().

Referenced by create_connection_for_bd_addr_and_type(), event_handler(), hci_initializing_run(), hci_send_cmd_packet(), hci_shutdown_connection(), le_device_db_add(), le_device_db_dump(), sm_key_distribution_handle_all_received(), and sm_run().

uint32_t big_endian_read_16	(	const uint8_t *	buffer,
		int	pos
	)

Read 16/24/32 bit big endian value from buffer.

Parameters

buffer
position	in buffer

Returns

value

Referenced by hci_transport_h5_process_frame(), sm_handle_encryption_result(), and sm_handle_random_result().

uint32_t big_endian_read_24	(	const uint8_t *	buffer,
		int	pos
	)

uint32_t big_endian_read_32	(	const uint8_t *	buffer,
		int	pos
	)

Referenced by gatt_client_deserialize_characteristic(), gatt_client_deserialize_service(), sm_run(), and sm_trigger_user_response().

void big_endian_store_16	(	uint8_t *	buffer,
		uint16_t	pos,
		uint16_t	value
	)

Write 16/32 bit big endian value into buffer.

Parameters

buffer
position	in buffer
value

Referenced by hci_transport_slip_encode_chunk_and_send(), and sm_d1_d_prime().

void big_endian_store_24	(	uint8_t *	buffer,
		uint16_t	pos,
		uint32_t	value
	)

void big_endian_store_32	(	uint8_t *	buffer,
		uint16_t	pos,
		uint32_t	value
	)

Referenced by hci_dump_packet(), sm_handle_random_result(), sm_passkey_input(), and uuid_add_bluetooth_prefix().

uint32_t btstack_atoi

(

const char *

str

)

Parse unsigned number.

Parameters

str

to parse

Returns

value

uint8_t btstack_crc8_calc	(	uint8_t *	data,
		uint16_t	len
	)

References crc8().

uint8_t btstack_crc8_check	(	uint8_t *	data,
		uint16_t	len,
		uint8_t	check_sum
	)

CRC8 functions using ETSI TS 101 369 V6.3.0.

Only used by RFCOMM

References crc8(), and CRC8_OK.

static uint16_t btstack_flip_16 ( uint16_t  value )

inlinestatic

Swap bytes in 16 bit integer.

static int btstack_is_big_endian ( void  )

inlinestatic

Check for big endian system.

Returns

1 if on big endian

static int btstack_is_little_endian ( void  )

inlinestatic

Check for little endian system.

Returns

1 if on little endian

uint32_t btstack_max	(	uint32_t	a,
		uint32_t	b
	)

Maximum function for uint32_t.

Parameters

a
b

Returns

value

uint32_t btstack_min	(	uint32_t	a,
		uint32_t	b
	)

Minimum function for uint32_t.

Parameters

a
b

Returns

value

Referenced by att_read_callback_handle_blob(), atwilc3000_write_firmware(), atwilc3000_write_memory(), btstack_ring_buffer_read(), btstack_ring_buffer_write(), device_information_service_read_callback(), event_handler(), and l2cap_run().

char char_for_nibble

(

int

nibble

)

ASCII character for 4-bit nibble.

Returns

character

Referenced by char_for_high_nibble(), and char_for_low_nibble().

int count_set_bits_uint32

(

uint32_t

x

)

Return number of set bits in a uint32 number.

Parameters

uint32_number

Returns

num_set_bits

uint16_t little_endian_read_16	(	const uint8_t *	buffer,
		int	position
	)

Read 16/24/32 bit little endian value from buffer.

Parameters

buffer
position	in buffer

Returns

value

Referenced by a2dp_subevent_command_accepted_get_a2dp_cid(), a2dp_subevent_command_rejected_get_a2dp_cid(), a2dp_subevent_incoming_connection_established_get_a2dp_cid(), a2dp_subevent_signaling_connection_released_get_a2dp_cid(), a2dp_subevent_signaling_media_codec_other_configuration_get_a2dp_cid(), a2dp_subevent_signaling_media_codec_other_configuration_get_media_codec_information_len(), a2dp_subevent_signaling_media_codec_other_configuration_get_media_codec_type(), a2dp_subevent_signaling_media_codec_sbc_configuration_get_a2dp_cid(), a2dp_subevent_signaling_media_codec_sbc_configuration_get_sampling_frequency(), a2dp_subevent_stream_established_get_a2dp_cid(), a2dp_subevent_stream_released_get_a2dp_cid(), a2dp_subevent_stream_started_get_a2dp_cid(), a2dp_subevent_stream_stopped_get_a2dp_cid(), a2dp_subevent_stream_suspended_get_a2dp_cid(), a2dp_subevent_streaming_can_send_media_packet_now_get_a2dp_cid(), ad_data_contains_uuid128(), ad_data_contains_uuid16(), ancs_chunk_parser_handle_byte(), att_dump_attributes(), att_event_handle_value_indication_complete_get_attribute_handle(), att_event_handle_value_indication_complete_get_conn_handle(), att_event_mtu_exchange_complete_get_handle(), att_event_mtu_exchange_complete_get_MTU(), att_event_packet_handler(), att_iterator_fetch_next(), att_iterator_match_uuid(), att_iterator_match_uuid16(), att_run_for_context(), att_uuid_for_handle(), att_write_callback(), avdtp_subevent_signaling_accept_get_avdtp_cid(), avdtp_subevent_signaling_connection_established_get_avdtp_cid(), avdtp_subevent_signaling_connection_released_get_avdtp_cid(), avdtp_subevent_signaling_general_reject_get_avdtp_cid(), avdtp_subevent_signaling_media_codec_other_capability_get_avdtp_cid(), avdtp_subevent_signaling_media_codec_other_capability_get_media_codec_information_len(), avdtp_subevent_signaling_media_codec_other_capability_get_media_codec_type(), avdtp_subevent_signaling_media_codec_other_configuration_get_avdtp_cid(), avdtp_subevent_signaling_media_codec_other_configuration_get_media_codec_information_len(), avdtp_subevent_signaling_media_codec_other_configuration_get_media_codec_type(), avdtp_subevent_signaling_media_codec_sbc_capability_get_avdtp_cid(), avdtp_subevent_signaling_media_codec_sbc_configuration_get_avdtp_cid(), avdtp_subevent_signaling_media_codec_sbc_configuration_get_sampling_frequency(), avdtp_subevent_signaling_reject_get_avdtp_cid(), avdtp_subevent_signaling_sep_found_get_avdtp_cid(), avdtp_subevent_streaming_can_send_media_packet_now_get_avdtp_cid(), avdtp_subevent_streaming_can_send_media_packet_now_get_sequence_number(), avdtp_subevent_streaming_connection_established_get_avdtp_cid(), avdtp_subevent_streaming_connection_released_get_avdtp_cid(), avrcp_subevent_company_ids_query_get_avrcp_cid(), avrcp_subevent_connection_established_get_avrcp_cid(), avrcp_subevent_connection_released_get_avrcp_cid(), avrcp_subevent_enable_notification_complete_get_avrcp_cid(), avrcp_subevent_event_ids_query_get_avrcp_cid(), avrcp_subevent_notification_available_players_changed_get_avrcp_cid(), avrcp_subevent_notification_now_playing_content_changed_get_avrcp_cid(), avrcp_subevent_notification_playback_status_changed_get_avrcp_cid(), avrcp_subevent_notification_track_changed_get_avrcp_cid(), avrcp_subevent_notification_volume_changed_get_avrcp_cid(), avrcp_subevent_now_playing_album_info_get_avrcp_cid(), avrcp_subevent_now_playing_artist_info_get_avrcp_cid(), avrcp_subevent_now_playing_genre_info_get_avrcp_cid(), avrcp_subevent_now_playing_info_done_get_avrcp_cid(), avrcp_subevent_now_playing_song_length_ms_info_get_avrcp_cid(), avrcp_subevent_now_playing_title_info_get_avrcp_cid(), avrcp_subevent_now_playing_total_tracks_info_get_avrcp_cid(), avrcp_subevent_now_playing_track_info_get_avrcp_cid(), avrcp_subevent_operation_complete_get_avrcp_cid(), avrcp_subevent_operation_get_avrcp_cid(), avrcp_subevent_operation_start_get_avrcp_cid(), avrcp_subevent_play_status_get_avrcp_cid(), avrcp_subevent_play_status_query_get_avrcp_cid(), avrcp_subevent_player_application_value_response_get_avrcp_cid(), avrcp_subevent_set_absolute_volume_response_get_avrcp_cid(), avrcp_subevent_shuffle_and_repeat_mode_get_avrcp_cid(), battery_service_write_callback(), bnep_event_can_send_now_get_bnep_cid(), bnep_event_can_send_now_get_destination_uuid(), bnep_event_can_send_now_get_source_uuid(), bnep_event_channel_closed_get_bnep_cid(), bnep_event_channel_closed_get_destination_uuid(), bnep_event_channel_closed_get_source_uuid(), bnep_event_channel_opened_get_bnep_cid(), bnep_event_channel_opened_get_destination_uuid(), bnep_event_channel_opened_get_mtu(), bnep_event_channel_opened_get_source_uuid(), bnep_event_channel_timeout_get_bnep_cid(), bnep_event_channel_timeout_get_destination_uuid(), bnep_event_channel_timeout_get_source_uuid(), bnep_event_service_registered_get_service_uuid(), characteristic_start_found(), event_handler(), gap_event_inquiry_result_get_clock_offset(), gap_event_security_level_get_handle(), gatt_client_att_packet_handler(), gatt_client_deserialize_characteristic(), gatt_client_deserialize_characteristic_descriptor(), gatt_client_deserialize_service(), gatt_client_hci_event_packet_handler(), get_last_result_handle_from_characteristics_list(), get_last_result_handle_from_included_services_list(), get_last_result_handle_from_service_list(), goep_subevent_can_send_now_get_goep_cid(), goep_subevent_connection_closed_get_goep_cid(), goep_subevent_connection_opened_get_con_handle(), goep_subevent_connection_opened_get_goep_cid(), handle_exchange_mtu_request(), handle_find_by_type_value_request(), handle_find_information_request(), handle_hci_event(), handle_prepare_write_request(), handle_read_blob_request(), handle_read_by_group_type_request(), handle_read_by_type_request(), handle_read_multiple_request2(), handle_read_request(), handle_write_command(), handle_write_request(), hci_event_authentication_complete_event_get_connection_handle(), hci_event_change_connection_link_key_complete_get_connection_handle(), hci_event_command_complete_get_command_opcode(), hci_event_command_status_get_command_opcode(), hci_event_connection_complete_get_connection_handle(), hci_event_connection_packet_type_changed_get_handle(), hci_event_connection_packet_type_changed_get_packet_types(), hci_event_disconnection_complete_get_connection_handle(), hci_event_encryption_change_get_connection_handle(), hci_event_encryption_key_refresh_complete_get_handle(), hci_event_extended_inquiry_response_get_clock_offset(), hci_event_inquiry_result_get_clock_offset(), hci_event_inquiry_result_with_rssi_get_clock_offset(), hci_event_master_link_key_complete_get_connection_handle(), hci_event_max_slots_changed_get_handle(), hci_event_mode_change_event_get_handle(), hci_event_mode_change_event_get_interval(), hci_event_read_clock_offset_complete_get_clock_offset(), hci_event_read_clock_offset_complete_get_handle(), hci_event_synchronous_connection_complete_get_handle(), hci_event_synchronous_connection_complete_get_rx_packet_length(), hci_event_synchronous_connection_complete_get_tx_packet_length(), hci_initializing_event_handler(), hci_initializing_run(), hci_send_acl_packet_fragments(), hci_send_cmd_packet(), hci_subevent_le_connection_complete_get_conn_interval(), hci_subevent_le_connection_complete_get_conn_latency(), hci_subevent_le_connection_complete_get_connection_handle(), hci_subevent_le_connection_complete_get_supervision_timeout(), hci_subevent_le_connection_update_complete_get_conn_interval(), hci_subevent_le_connection_update_complete_get_conn_latency(), hci_subevent_le_connection_update_complete_get_connection_handle(), hci_subevent_le_connection_update_complete_get_supervision_timeout(), hci_subevent_le_data_length_change_get_connection_handle(), hci_subevent_le_data_length_change_get_max_rx_octets(), hci_subevent_le_data_length_change_get_max_rx_time(), hci_subevent_le_data_length_change_get_max_tx_octets(), hci_subevent_le_data_length_change_get_max_tx_time(), hci_subevent_le_enhanced_connection_complete_get_conn_interval(), hci_subevent_le_enhanced_connection_complete_get_conn_latency(), hci_subevent_le_enhanced_connection_complete_get_connection_handle(), hci_subevent_le_enhanced_connection_complete_get_supervision_timeout(), hci_subevent_le_long_term_key_request_get_connection_handle(), hci_subevent_le_long_term_key_request_get_encryption_diversifier(), hci_subevent_le_read_remote_used_features_complete_get_connection_handle(), hci_subevent_le_read_remote_used_features_complete_get_encryption_diversifier(), hci_subevent_le_remote_connection_parameter_request_get_connection_handle(), hci_subevent_le_remote_connection_parameter_request_get_interval_max(), hci_subevent_le_remote_connection_parameter_request_get_interval_min(), hci_subevent_le_remote_connection_parameter_request_get_latency(), hci_subevent_le_remote_connection_parameter_request_get_timeout(), hci_transport_h4_block_read(), hfp_subevent_audio_connection_established_get_handle(), hfp_subevent_service_level_connection_established_get_con_handle(), hid_subevent_can_send_now_get_hid_cid(), hid_subevent_connection_closed_get_hid_cid(), hid_subevent_connection_opened_get_con_handle(), hid_subevent_connection_opened_get_hid_cid(), hids_subevent_boot_keyboard_input_report_enable_get_con_handle(), hids_subevent_boot_mouse_input_report_enable_get_con_handle(), hids_subevent_can_send_now_get_con_handle(), hids_subevent_input_report_enable_get_con_handle(), hids_subevent_protocol_mode_get_con_handle(), hsp_subevent_audio_connection_complete_get_handle(), is_value_valid(), l2cap_acl_classic_handler(), l2cap_acl_le_handler(), l2cap_event_can_send_now_get_local_cid(), l2cap_event_channel_closed_get_local_cid(), l2cap_event_channel_opened_get_flush_timeout(), l2cap_event_channel_opened_get_handle(), l2cap_event_channel_opened_get_local_cid(), l2cap_event_channel_opened_get_local_mtu(), l2cap_event_channel_opened_get_psm(), l2cap_event_channel_opened_get_remote_cid(), l2cap_event_channel_opened_get_remote_mtu(), l2cap_event_connection_parameter_update_request_get_handle(), l2cap_event_connection_parameter_update_request_get_interval_max(), l2cap_event_connection_parameter_update_request_get_interval_min(), l2cap_event_connection_parameter_update_request_get_latencey(), l2cap_event_connection_parameter_update_request_get_timeout_multiplier(), l2cap_event_connection_parameter_update_response_get_handle(), l2cap_event_connection_parameter_update_response_get_result(), l2cap_event_incoming_connection_get_handle(), l2cap_event_incoming_connection_get_local_cid(), l2cap_event_incoming_connection_get_psm(), l2cap_event_incoming_connection_get_remote_cid(), l2cap_event_le_can_send_now_get_local_cid(), l2cap_event_le_channel_closed_get_local_cid(), l2cap_event_le_channel_opened_get_handle(), l2cap_event_le_channel_opened_get_local_cid(), l2cap_event_le_channel_opened_get_local_mtu(), l2cap_event_le_channel_opened_get_psm(), l2cap_event_le_channel_opened_get_remote_cid(), l2cap_event_le_channel_opened_get_remote_mtu(), l2cap_event_le_incoming_connection_get_handle(), l2cap_event_le_incoming_connection_get_local_cid(), l2cap_event_le_incoming_connection_get_psm(), l2cap_event_le_incoming_connection_get_remote_cid(), l2cap_event_le_incoming_connection_get_remote_mtu(), l2cap_event_le_packet_sent_get_local_cid(), l2cap_hci_event_handler(), pbap_subevent_connection_closed_get_goep_cid(), pbap_subevent_connection_opened_get_con_handle(), pbap_subevent_connection_opened_get_pbap_cid(), pbap_subevent_operation_completed_get_goep_cid(), report_gatt_all_characteristic_descriptors(), report_gatt_characteristics(), report_gatt_services(), rfcomm_event_can_send_now_get_rfcomm_cid(), rfcomm_event_channel_closed_get_rfcomm_cid(), rfcomm_event_channel_opened_get_con_handle(), rfcomm_event_channel_opened_get_max_frame_size(), rfcomm_event_channel_opened_get_rfcomm_cid(), rfcomm_event_incoming_connection_get_rfcomm_cid(), rfcomm_event_remote_line_status_get_rfcomm_cid(), rfcomm_event_remote_modem_status_get_rfcomm_cid(), sdp_event_query_attribute_byte_get_attribute_id(), sdp_event_query_attribute_byte_get_attribute_length(), sdp_event_query_attribute_byte_get_data_offset(), sdp_event_query_attribute_byte_get_record_id(), sdp_event_query_attribute_value_get_attribute_id(), sdp_event_query_attribute_value_get_attribute_length(), sdp_event_query_attribute_value_get_record_id(), sdp_event_query_service_record_handle_get_record_index(), sdp_event_query_service_record_handle_get_total_count(), sm_event_packet_handler(), sm_pdu_handler(), and uuid16_from_uuid().

uint32_t little_endian_read_24	(	const uint8_t *	buffer,
		int	position
	)

Referenced by gap_event_inquiry_result_get_class_of_device(), hci_event_connection_request_get_class_of_device(), hci_event_extended_inquiry_response_get_class_of_device(), hci_event_inquiry_result_get_class_of_device(), and hci_event_inquiry_result_with_rssi_get_class_of_device().

uint32_t little_endian_read_32	(	const uint8_t *	buffer,
		int	position
	)

Referenced by att_run_for_context(), avrcp_subevent_now_playing_song_length_ms_info_get_song_length(), avrcp_subevent_play_status_get_song_length(), avrcp_subevent_play_status_get_song_position(), handle_hci_event(), hci_event_user_confirmation_request_get_numeric_value(), sdp_event_query_service_record_handle_get_record_handle(), and sm_handle_random_result().

void little_endian_store_16	(	uint8_t *	buffer,
		uint16_t	position,
		uint16_t	value
	)

Write 16/32 bit little endian value into buffer.

Parameters

buffer
position	in buffer
value

Referenced by acl_handler(), att_db_util_add_attribute_uuid128(), att_db_util_add_attribute_uuid16(), att_db_util_add_characteristic_uuid128(), att_db_util_add_characteristic_uuid16(), att_db_util_add_client_characteristic_configuration(), att_db_util_add_service_uuid16(), att_emit_mtu_event(), att_exchange_mtu_request(), att_find_by_type_value_request(), att_find_information_request(), att_handle_value_indication_notify_client(), att_prepare_write_request(), att_read_blob_request(), att_read_by_type_or_group_request_for_uuid128(), att_read_by_type_or_group_request_for_uuid16(), att_read_callback_handle_little_endian_16(), att_read_multiple_request(), att_read_request(), att_write_request(), battery_service_read_callback(), device_information_service_server_set_ieee_regulatory_certification(), device_information_service_server_set_pnp_id(), device_information_service_server_set_system_id(), 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(), gatt_client_write_client_characteristic_configuration(), gatt_server_get_get_handle_range_for_service_with_uuid16(), handle_exchange_mtu_request(), handle_find_by_type_value_request2(), handle_find_information_request2(), handle_read_by_group_type_request2(), handle_read_by_type_request2(), hci_dump_packet(), hci_emit_disconnection_complete(), hci_send_acl_packet_fragments(), hids_device_can_send_now(), hids_device_emit_event_with_uint8(), l2cap_create_signaling_internal(), l2cap_emit_can_send_now(), l2cap_run(), l2cap_setup_header(), notify_client_simple(), notify_client_text(), prepare_handle_value(), send_gatt_by_uuid_request(), setup_characteristic_value_packet(), setup_error(), setup_long_characteristic_value_packet(), sm_pdu_handler(), sm_run(), and sm_setup_event_base().

void little_endian_store_32	(	uint8_t *	buffer,
		uint16_t	position,
		uint32_t	value
	)

Referenced by att_read_callback_handle_little_endian_32(), atwilc3000_set_baudrate_command(), atwilc3000_write_memory(), device_information_service_server_set_system_id(), handle_hci_event(), hci_dump_packet(), and sm_notify_client_passkey().

int nibble_for_char

(

char

c

)

4-bit nibble from ASCII character

Returns

value

Referenced by scan_hex_byte().

void printf_hexdump	(	const void *	data,
		int	size
	)

Use printf to write hexdump as single line of data.

Referenced by printf_packet().

void reverse_128	(	const uint8_t *	src,
		uint8_t *	dest
	)

References reverse_bytes().

Referenced by ad_data_contains_uuid128(), ad_data_contains_uuid16(), att_db_util_add_attribute_uuid128(), att_db_util_add_characteristic_uuid128(), att_db_util_add_service_uuid128(), att_dump_attributes(), att_read_by_type_or_group_request_for_uuid128(), characteristic_start_found(), emit_gatt_all_characteristic_descriptors_result_event(), emit_gatt_characteristic_query_result_event(), emit_gatt_included_service_query_result_event(), emit_gatt_service_query_result_event(), gatt_client_att_packet_handler(), gatt_client_deserialize_characteristic(), gatt_client_deserialize_characteristic_descriptor(), gatt_client_deserialize_service(), report_gatt_all_characteristic_descriptors(), report_gatt_services(), send_gatt_by_uuid_request(), sm_aes128_start(), sm_handle_encryption_result(), sm_pdu_handler(), and sm_run().

void reverse_24	(	const uint8_t *	src,
		uint8_t *	dest
	)

Wrapper around reverse_bytes for common buffer sizes.

Parameters

src
dest

References reverse_bytes().

Referenced by sm_handle_encryption_result().

void reverse_256	(	const uint8_t *	src,
		uint8_t *	dest
	)

References reverse_bytes().

Referenced by sm_pdu_handler(), and sm_run().

void reverse_48	(	const uint8_t *	src,
		uint8_t *	dest
	)

References reverse_bytes().

void reverse_56	(	const uint8_t *	src,
		uint8_t *	dest
	)

References reverse_bytes().

Referenced by sm_c1_t1().

void reverse_64	(	const uint8_t *	src,
		uint8_t *	dest
	)

References reverse_bytes().

Referenced by sm_event_packet_handler(), sm_handle_random_result(), sm_pdu_handler(), and sm_run().

void reverse_bd_addr	(	const bd_addr_t	src,
		bd_addr_t	dest
	)

References reverse_bytes().

Referenced by a2dp_subevent_incoming_connection_established_get_bd_addr(), a2dp_subevent_stream_established_get_bd_addr(), att_event_packet_handler(), atwilc3000_set_bd_addr_command(), avdtp_subevent_signaling_connection_established_get_bd_addr(), avdtp_subevent_streaming_connection_established_get_bd_addr(), avrcp_subevent_connection_established_get_bd_addr(), bnep_event_can_send_now_get_remote_address(), bnep_event_channel_closed_get_remote_address(), bnep_event_channel_opened_get_remote_address(), bnep_event_channel_timeout_get_remote_address(), event_handler(), gap_event_advertising_report_get_address(), gap_event_dedicated_bonding_completed_get_address(), gap_event_inquiry_result_get_bd_addr(), goep_subevent_connection_opened_get_bd_addr(), hci_emit_dedicated_bonding_result(), hci_event_connection_complete_get_bd_addr(), hci_event_connection_request_get_bd_addr(), hci_event_extended_inquiry_response_get_bd_addr(), hci_event_inquiry_result_get_bd_addr(), hci_event_inquiry_result_with_rssi_get_bd_addr(), hci_event_link_key_request_get_bd_addr(), hci_event_pin_code_request_get_bd_addr(), hci_event_remote_name_request_complete_get_bd_addr(), hci_event_remote_oob_data_request_get_bd_addr(), hci_event_role_change_get_bd_addr(), hci_event_sco_can_send_now_get_handle(), hci_event_simple_pairing_complete_get_bd_addr(), hci_event_synchronous_connection_complete_get_bd_addr(), hci_event_user_confirmation_request_get_bd_addr(), hci_event_user_passkey_request_get_bd_addr(), hci_send_cmd_packet(), hci_subevent_le_connection_complete_get_peer_address(), hci_subevent_le_enhanced_connection_complete_get_local_resolvable_private_addres(), hci_subevent_le_enhanced_connection_complete_get_peer_resolvable_private_addres(), hci_subevent_le_enhanced_connection_complete_get_perr_addresss(), hfp_subevent_audio_connection_established_get_bd_addr(), hfp_subevent_service_level_connection_established_get_bd_addr(), hid_subevent_connection_opened_get_bd_addr(), l2cap_event_channel_opened_get_address(), l2cap_event_incoming_connection_get_address(), l2cap_event_le_channel_opened_get_address(), l2cap_event_le_incoming_connection_get_address(), l2cap_hci_event_handler(), pbap_subevent_connection_opened_get_bd_addr(), rfcomm_event_channel_opened_get_bd_addr(), rfcomm_event_incoming_connection_get_bd_addr(), sm_event_packet_handler(), sm_notify_client_index(), sm_pdu_handler(), sm_run(), and sm_setup_event_base().

void reverse_bytes	(	const uint8_t *	src,
		uint8_t *	dest,
		int	len
	)

Copy from source to destination and reverse byte order.

Parameters

src
dest
len

Referenced by hci_cmd_create_from_template(), hci_subevent_le_generate_dhkey_complete_get_dhkey(), hci_subevent_le_read_local_p256_public_key_complete_get_dhkey_x(), hci_subevent_le_read_local_p256_public_key_complete_get_dhkey_y(), reverse_128(), reverse_24(), reverse_256(), reverse_48(), reverse_56(), reverse_64(), and reverse_bd_addr().

int sscanf_bd_addr	(	const char *	addr_string,
		bd_addr_t	addr
	)

Parse Bluetooth address.

Parameters

address_string
buffer	for parsed address

Returns

1 if string was parsed successfully

References bd_addr_copy(), BD_ADDR_LEN, and scan_hex_byte().

int string_len_for_uint32

(

uint32_t

i

)

Return number of digits of a uint32 number.

Parameters

uint32_number

Returns

num_digits

char* uuid128_to_str

(

const uint8_t *

uuid

)

Create human readable representation for UUID128.

Note

uses fixed global buffer

Returns

pointer to UUID128 string

References char_for_high_nibble(), char_for_low_nibble(), and uuid128_to_str_buffer.

Referenced by att_dump_attributes().

void uuid_add_bluetooth_prefix	(	uint8_t *	uuid128,
		uint32_t	short_uuid
	)

Constructs UUID128 from 16 or 32 bit UUID using Bluetooth base UUID.

Parameters

uuid128	output buffer
short_uuid

References big_endian_store_32().

Referenced by ad_data_contains_uuid128(), ad_data_contains_uuid16(), characteristic_start_found(), gatt_client_discover_characteristics_for_handle_range_by_uuid16(), gatt_client_discover_primary_services_by_uuid16(), gatt_client_read_value_of_characteristics_by_uuid16(), report_gatt_all_characteristic_descriptors(), report_gatt_included_service_uuid16(), and report_gatt_services().

int uuid_has_bluetooth_prefix

(

const uint8_t *

uuid128

)

Checks if UUID128 has Bluetooth base UUID prefix.

Parameters

uui128

to test

Returns

1 if it can be expressed as UUID32

Referenced by gatt_client_deserialize_characteristic(), and gatt_client_deserialize_service().