Vendor-Specific HCI Commands and Events#

HCI_VS_SiliconLabs_Forcefully_Kill_Connection

0x3f/0x04

handle

status

handle

2

Connection handle

status

1

Success (0x0),
Unknown Connection Identifier (0x02)

HCI_VS_SiliconLabs_Set_Connection_Config_Bits

Configure various parameters of the Bluetooth connection.

0x3f/0x05

handleconfig_bits

status

handle

2

Connection handle

config_bits

4

Configure the connection. Supported values:
0x01 – Disable peripheral latency. Peripheral will ignore peripheral latency and treat it as being 0.
0x02 – Disable 1M PHY
0x04 – Disable 2M PHY
0x08 – Disable Coded PHY
These affect PHY-update procedure to allow selecting certain PHYs if remote end indicates support for multiple PHYs.

status

1

Success (0x0),
Unknown Connection Identifier (0x02)

HCI_VS_SiliconLabs_Clear_Connection_Config_Bits

0x3f/0x06

handle
config_bits

status

handle

2

Connection handle

config_bits

4

Clears the connection configuration. The supported values are the same as the config_bits in HCI_VS_SiliconLabs_Set_Connection_Config_Bits command.

status

1

Success (0x00),
Unknown Connection Identifier (0x02)

HCI_VS_SiliconLabs_Configure

Configure various aspects in Silicon Labs Bluetooth Controller.

0x3f/0x07

key,
length,
data

status

key

1

Configuration parameter key.

configuration data length

1

Length of the configuration data field.

data

0-255

Configuration data related to the configuration parameter (key).

status

1

Success (0x0),
Invalid HCI Command Parameters (0x12),
Unknown Advertising Identifier (0x42),
Invalid LL Parameters (0x1E),
Unsupported Feature or Parameter Value (0x11),
Unspecified Error (0x1F)

CONFIG_KEY_HALT [1]

halt [1]

Halt (1) or resume (0) the radio

CONFIG_KEY_PRIORITY_RANGE [2]

rail_mapping_offset [2],
rail_mapping_range[2]

Sets the RAIL priority_mapping offset field of the link layer priority configuration structure to the first byte of the value field. Used with multiprotocol.
See Dynamic Multiprotocol User’s Guide

CONFIG_KEY_SCAN_CHANNELS [3]

channel_map [1]

Set primary channels to be scanned. Only the three least significant bits are meaningful. 0x1 = Channel 37, 0x2 = Channel 38, 0x4 = Channel 39

CONFIG_KEY_SET_FLAGS [4]

flags [4]

Sets the link layer configuration flags. The value is a little endian 32-bit integer. Currently supported flag values:
0x00000001 – Disable Automatic Feature Exchange when peripheral,
0x00000002 – Disable Automatic Feature Exchange when central,
0x00000004 – Enable Completed Packets Event,
0x00000008 – Enable Advertisement Channel Info,
0x00000040 – Enable Raw IQ Sampling mode,
0x00000400 – Enable Host Session Key Generation,

0x00008000 – Disable Auto Data Length Update,
0x00020000 – Enable connection event extension in multitask situations to improve connection throughput,
0x00040000 – Enable the scanner to abort the reception of a packet if it will conflict with another scheduled higher priority task,
0x00080000 – Enable inaccurate sleep clock

CONFIG_KEY_CLR_FLAGS [5]

flags [4]

Clear the link layer configuration flags. The supported values are the same as with CONFIG_KEY_SET_FLAGS.

CONFIG_KEY_SET_AFH_INTERVAL [7]

scanning_interval [1]

Set the AFH scanning interval. The unit is 0.1 secs.

CONFIG_KEY_PERIODIC_ADV_STATUS_EVENT [8]

handle [1],
enable [1]

handle: Advertising handle
enable: Enable (1) or disable (0) status event on the sync advertiser

CONFIG_KEY_SET_PRIORITY_TABLE [9]

scan_min [1],
scan_max [1],
adv_min [1],
adv_max [1],
conn_min [1],
conn_max [1],
init_min [1],
init_max [1],
rail_mapping_offset [1],
rail_mapping_range [1],
reserved [1],
adv_step [1],
scan_step [1],
pawr_tx_min [1],
pawr_tx_max [1],
pawr_rx_min [1],
pawr_rx_max [1]

Configure link layer task priorities.

(1) CONFIG_KEY_SET_RX_PACKET_FILTERING [10]

filter_count [1],
filter_offset [1],
filter_length [1],
filter_bitmask [1],
filter_list [variable]

Enable and configure, or disable, RX packet filtering.
Filter_count: number of template filters in the list. At most four filters can be configured. Setting the value 0 disables the feature, and all other parameters are ignored.
Filter_offset: offset of the field in the received link layer packet where the filters and bitmask are applied. The offset 0 is the first octet after the access address field.
filterLength: The length of the filters and bitmask in octets. All filters and bitmask must be equal in length.
Filter_bitmask: Bitmask of Filter_length octets used for filtering. The LSB must be the first byte. The bitmask must be given in the following format as a byte string: xx:xx:xx:xx:xx:xx
^- LSB MSB -^
The same bitmask is applied to all filter templates.
Filter_list: Up to four filters, Filter_length octets each, used for filtering. The filters must be given the LSB first order. The filtering list must be given in the following format as a byte string: xx:xx:xx:xx:xx:xx:xx:xx:xx:xx:xx:xx …
^- LSB MSB -^ ^- LSB MSB -^ ^- field1 -^ ^- field2 -^ …

(1) CONFIG_KEY_SET_SIMULTANEOUS_SCANNING [11]

enable [1]

Enable (1) or disable (0) simultaneous 1M and Coded PHY scanning feature.

CONFIG_KEY_SET_CHANNELMAP_FLAGS [12]

flags [4]

Configure channel map flags. Supported flag values:
0x01 – Enable active adaptivity,
0x02 – Enable passive adaptivity
Note: AFH must be enabled to enable adaptivity.

CONFIG_KEY_POWER_CONTROL_GOLDEN_RANGE [16]

golden_rssi_min_1m [1],
golden_rssi_max_1m [1],
golden_rssi_min_2m [1],
golden_rssi_max_2m [1],
golden_rssi_min_coded_s8 [1],
golden_rssi_max_coded_s8 [1],
golden_rssi_min_coded_s2 [1],
golden_rssi_max_coded_s2 [1]

Configure the golden range values of the power control feature

CONFIG_KEY_ACTIVE_SCANNER_BACKOFF_UPPER_LIMIT [17]

backoff_upper_limit [2]

Sets a new maximum for the scanner backoff upper limit. This value is used to mitigate collisions between different scanners in a busy environment. Lower value implies a more aggressive scanner.
Set to 0 for default value (256).
Minimum value: 16
Maximum value: 256

CONFIG_KEY_AFH_RSSI_THRESHOLD [18]

threshold [1]

Configure the cutoff RSSI used to block channels.
Default is -70 dBm.

CONFIG_KEY_AFH_CHANNEL_COOLDOWN [19]

cooldown [2]

Configure the cooldown value when a channel is blocked.
Default is 8 seconds.

CONFIG_KEY_SET_REPORT_ALL_SCAN_RSPS [20]

enable [1]

Enable (1) or disable (0) all received SCAN_RSP reporting

HCI_VS_SiliconLabs_Get_Timing

0x3f/0x08

timers
clear_timers

status

timers

1

Select timer.
0 – Start timestamp
1 – Maximum timer value
2 – Number of measurements performed
3 – Total accumulated time

clear_timers

1

0 – Do not clear timers
1 – Clear timers

status

1

Success (0x0)
Unsupported Feature or Parameter Value (0x11)

HCI_VS_SiliconLabs_Change_Periodic_Advertising_Parameters

0x3f/0x09

advertising_handle
interval_min
interval_max
periodic_advertising_properties
num_subevents
subevent_interval
response_slot_delay
response_slot_spacing
num_response_slots
new_phy
repeat_count

advertising_handle

advertising_handle

1

Advertising handle

interval_min

2

Minimum periodic advertising interval

Interval_max

2

Maximum periodic advertising interval

periodic_advertising_properties

2

Bitmap describing properties.
- Bit 6: include TX power to advertising PDUs.
- All other bits reserved for future use.

num_subevents

1

Number of subevents in one event

subevent_interval

1

Interval between subevents.

response_slot_delay

1

Delay to the first response slot.

response_slot_spacing

1

Duration of response slot to update

num_response_slots

1

Response slots used.

new_phy

1

New PHY for the PAwR train

repeat_count

1

Number of times the new train parameters is sent on subevents before new set is taken into use

HCI_VS_Siliconlabs_Periodic_Advertising_Set_Info_Transfer

0x3f/0x0a

source_advertising_handle
service_data
target_advertising_handle
repeat_count
subevents_length
subevents[0]

status

Source_advertising_handle

1

Advertising handle of the source train

Service_data

2

A value provided by the application for use by the peer device

Target_advertising_handle

1

Advertising handle of the target train

Repeat_count

1

Number of times the new train parameters are sent to synchroniser the new set is taken into use.

Subevents_length

1

Number of subevents in one event to send new train info

subevents

1

Subevents list to send new train info

status

1

Success (0x0)
Memory Capacity Exceeded (0x7)
Unknown Advertising Identifier (0x42)
Invalid HCI Command Parameters (0x12)
Command Disallowed (0xC)

HCI_VS_SiliconLabs_Config_Flags

Configure the link layer configuration flags.

0x3f/0x11

set
clr
read

flags
status

set

4

Enable the link layer flags. Supported values are listed in Table 4.9, CONFIG_KEY_SET_FLAGS.

clr

4

Clear the link layer flags.

read

4

Return link layer configuration flags with bitmask applied as determined by this field.

flags

4

Return the flags.

status

1

Success (0x0)
Unsupported Feature or Parameter Value (0x11)

HCI_VS_SiliconLabs_Get_Counters

Read radio counters.

0x3f/0x12

reset

status

reset

1

Reset counters after reading them
1 – yes, 0 – no.

status

1

Success (0x0)

tx_packets

2

Number of transmitted radio packets.

Rx_packets

2

Number of received radio packets.

Crc_errors

2

Number of received packets detected with a CRC error.

Failures

2

Number of radio failures, indicating errors in radio resource scheduling.

HCI_VS_Silabs_Sleep
Enter EM2 sleep mode

0x3f/0x13

sleep

status
sleep

sleep

1

Set to 1 to enter sleep mode. Returns 0 if sleep request unsuccessful.

Status

1

Success (0x0)
Unsupported Feature or Parameter Value (0x11)

HCI_VS_Silabs_Set_Min_Max_Tx_Power

Set minimum and maximum TX power levels.

0x3f/0x14

min_tx_power
max_tx_power

status

min_tx_power

2

Minimum TX power to be used. The unit is in deci-dBm and the value must be within the range min_supported_tx_power—max_supported_tx_power. See HCI_VS_SiliconLabs_Read_Current_TX_Power_Configuration

max_tx_power

2

Maximum TX power to be used. The unit is in deci-dBm and the value must be within the range min_supported_tx_power—max_supported_tx_power. See HCI_VS_SiliconLabs_Read_Current_TX_Power_Configuration

status

1

Success (0x0)
Unspecified Error (0x1F)

HCI_VS_Silabs_Set_Cte_Transmit_Enable
Enable CTE transmission.

0x3f/0x15

advertising_handle
cte_enable
cte_length
cte_type
cte_count
switching_pattern_len
antenna_ids

status

advertising_handle

1

Handle of the advertiser used for CTE transmission.

Cte_enable

1

Enable (1) or disable (0) CTE transmission. If transmission is disabled, the remaining parameters can be omitted.

Cte_length

1

Length of the CTE. Valid range 0x2 – 0x14.

Cte_type

1

Type of the CTE (0x0 or 0x1).

Cte_count

1

CTE count. Valid range 0x1 – 0x10.

Switching_pattern_length

1

Length of the switching pattern.

Antenna_ids

variable

Antenna identifiers for CTE transmission (number of IDs must equal switching_pattern_length).

Status

1

Success (0x0)
Memory Capacity Exceeded (0x7)
Unknown Advertising Identifier (0x42)
Invalid HCI Command Parameters (0x12)
Unsupported Feature or Parameter Value (0x11)

HCI_VS_Silabs_Set_Iq_Sampling_Enable
Enable SiliconLabs proprietary IQ sampling.
For further information, refer to the following documents:
For further information, refer to the following documents:
Bluetooth® Direction Finding Fundamentals
Silicon Labs Direction-Finding Solution Quick-Start Guide
Application Development with Silicon Labs’ RTL Library

0x3f/0x16

sampling_enable
slot_durations
max_sampled_ctes
switching_pattern_len
antenna_ids

status

sampling_enable

1

Enable (1) or disable (0) IQ sampling. If sampling is disabled, the remaining parameters can be omitted.

Slot_durations

1

CTE slot durations.

Max_sampled_ctes

1

Currently always 0.

Switching_pattern_length

1

Length of the switching pattern.

Antenna_ids

variable

Antenna identifiers for IQ sampling (number of IDs must equal switching_pattern_length).

Status

1

Success (0x0)
Memory Capacity Exceeded (0x7)
Invalid HCI Command Parameters (0x12)
Unsupported Feature or Parameter Value (0x11)

HCI_VS_Silabs_Read_Current_TX_Power_Configuration
Read the TX power range supported by the radio, and the current TX power configuration.

0x3f/0x17

-

Status
min_supported_tx_power
max_supported_tx_power
min_configured_tx_power
max_configured_tx_power
tx_rf_path_compensation

status

1

Success (0x0)

min_supported_tx_power

2

Minimum TX power supported by the radio. The unit is deci-dBm.

Max_support_tx_power

2

Maximum TX power supported by the radio. The unit is deci-dBm

min_configured_tx_power

2

Minimum TX power configured to be used. The unit is in deci-dBm and value must be within the range min_supported_tx_power—max_supported_tx_power.

Max_configured_tx_power

2

Maximum TX power configured to be used. The unit is in deci-dBm and value must be within the range min_supported_tx_power—max_supported_tx_power.

Tx_rf_path_compensation

2

Currently configured TX RF path compensation in deci-dBms.

HCI_VS_Silabs_Enter_Bootloader_Mode
Set Controller to bootloader mode and reset it, for example for firmware update purposes.

0x3f/0x18

-

-

HCI_VS_SiliconLabs_Set_Advertising_Config_Bits

0x3f/0x19

advertising_handle
config_bits

status

advertising_handle

1

Advertising handle

config_bits

4

0x00000001 – Force public address usage in advertising packets.
0x00000002 – Include advertising address in advertising packets.
0x00000004 – Include advertising TX power in advertising packets.

Status

1

Success (0x0)
Unknown Advertising Identifier (0x42)

HCI_VS_SiliconLabs_Clear_Advertising_Config_Bits

0x3f/0x1a

advertising_handle
config_bits

-

advertising_handle

1

Advertising handle

config_bits

4

0x00000001 – Remove requirement of public address usage in advertising packets.
0x00000002 – Remove advertising address from advertising packets.
0x00000004 – Remove advertising TX power from advertising packets.

Status

1

Success (0x0)
Unknown Advertising Identifier (0x42)

HCI_VS_SiliconLabs_Set_Max_Low_Tx_Power
Set the maximum power in low-power mode for each PHY.

0x3f/0x1b

max_1m_low_power
max_2m_low_power
max_125k_low_power
max_500k_low_power

-

max_1m_low_power

2

The maximum power in low-power mode (DTS mode) for 1M PHY set to a level allowed by the region.

max_2m_low_power

2

The maximum power in low-power mode (DTS mode) for 2M PHY set to a level allowed by the region.

max_125k_low_power

2

The maximum power in low-power mode (DTS mode) for 125k PHY set to a level allowed by the region.

max_500k_low_power

2

The maximum power in low-power mode (DTS mode) for 500k PHY set to a level allowed by the region.

HCI_VS_SiliconLabs_Allocate_Connections
Allocates memory for connection descriptors.

0x3f/0x20

num_connections

-

num_connections

1

The number of connections for which memory will be allocated.

HCI_VS_SiliconLabs_Allocate_Advertisers
Allocates memory for advertiser descriptors.

0x3f/0x21

num_advertisers

-

num_advertisers

1

The number of advertisers for which memory will be allocated.

HCI_VS_SiliconLabs_Allocate_Addresses
Allocates memory for stored addresses.

0x3f/0x22

num_addresses

-

num_addresses

1

The number of addresses for which memory will be allocated.

HCI_VS_SiliconLabs_Allocate_PeriodicAdv

Allocates memory for periodic advertiser descriptors.

0x3f/0x23

num_periodicadv

-

HCI_VS_SiliconLabs_Allocate_PeriodicScan

Allocates memory for periodic advertisement synchronization descriptors.

0x3f/0x24

num_periodicscan

-

HCI_VS_SiliconLabs_Deinit

De-initializes the Bluetooth Controller and frees up allocated memory.

0x3f/0x25

-

-

HCI_VS_SiliconLabs_MemBufResize

Allocates memory for periodic advertisement synchronization descriptors.

0x3f/0x26

buffer_memory

status
buffers_allocated

buffer_memory

4

Size of memory to allocate

status

1

Success (0x0),
Unspecified Error (0x1F)

buffers_allocated

4

Number of memory buffers allocated

HCI_VS_SiliconLabs_ExtScanPHYsAllowed

Sets the used PHYs used for scanning for external advertisements, Aux Pointer will not be followed unless it has one of the allowed PHYs.
If a given PHY is not supported by the device, bt_err_invalid_command_parameters will be returned

0x3f/0x27

phys

status

phys

1

Bitfield:
ll_phy_1M = 1
ll_phy_2M = 2,
ll_phy_Coded = 4

status

1

Success (0x0),
Invalid HCI Command Parameters (0x12)

HCI_VS_SiliconLabs_Periodic_Advertising_Update_Sync_Parameters

0x3f/0x29

sync_handle
skip
sync_timeout

status

sync_handle

2

Periodic advertising sync handle

skip

2

New value for the skip parameter

sync_timeout

2

New timeout value

status

1

Success (0x0),
Invalid HCI Command Parameters (0x12),
Command Disallowed (0xC),
Unknown Advertising Identifier (0x42)

HCI_VS_SiliconLabs_Get_Conn_Params

Get the Bluetooth connection parameters.

0x3f/0x2a

handle

status
interval
access_address,
crc_init.
start_time,
event_counter,
channel,
flags,
hop,
central_phy,
peripheral_phy,
channel_map[5],
central_sca
supervision_timeout

handle

2

Connection handle

status

1

Success (0x0),
Command Disallowed (0xC)

interval

2

Connection interval

access_address

4

Access Address Field of packet

crc_init

4

Value used to initialize the CRC algorithm

start_time

4

Start time of the connection task

event_counter

2

Number of connection events

channel

1

Channel on which next event will occur

flags

1

Bit 1 set if Channel Selection Algorithm #2 in use

hop

1

Channel hop value

central_phy

1

PHY in use on Central device

peripheral_phy

1

PHY in use on Peripheral device

channel_map[5]

1

Bitmap of valid channels

Central_sca

1

Sleep clock accuracy

Supervision_timeout

2

Connection supervision timeout configured for the connection

HCI_VS_SiliconLabs_Allocate_ResolvingList

Allocates memory for the resolving list.

0x3f/0x2c

entries

-

HCI_VS_SiliconLabs_Set_CS_Antenna_Config

Set the distance offset of antenna(s) for channel sounding.

0x3f/0x2d

num_antenna_elements
antenna_element_offset[]

status

num_antenna_elements

1

Number of antennas

antenna_element_offset[]

2

Antenna offset in cm. Array size is length of antenna elements.

status

1

Success (0x0),
Unspecified Error (0x1F)

HCI_VS_SiliconLabs_Allocate_PawrAdv

Allocates memory for PAwR advertisers.

0x3f/0x2e

num_pawradv

status

num_pawradv

1

Allocate memory to the specified number of PAwR advertisers

status

1

Success (0x0),
No More Resource (0x1A)

HCI_VS_SiliconLabs_Allocate_PawrSync
Allocates memory for PAwR synchronizers.

0x3f/0x2f

num_pawrsync

status

num_pawrsync

1

Allocate memory to the specified number of PAwR synchronizers.

Status

1

Success (0x0),
Memory Capacity Exceeded (0x7)

HCI_VS_Siliconlabs_Set_Connection_Tx_Power

0x3f/0x30

handle
tx_power

tx_power

handle

2

Connection handle

Tx_power

2

TX power in deci-dBm

status

1

Success (0x0),
Unknown Connection Identifier (0x02)

HCI_VS_SiliconLabs_Read_Connection_Statistics

0x3f/0x31

handle
reset

-

HCI_VS_SiliconLabs_Sniff_Connection_Packets

Sniff Bluetooth LE connection packets based on the provided connection settings.

0x3f/0x32

interval
access_address
crc_init
start_time
event_counter
channel
options
hop
central_phy
peripheral_phy
channel_map[5]
central_sca
supervision_timeout

sniffer_handle

interval

2

Connection interval

access_address

4

Access Address Field of packet

crc_init

4

Value used to initialize the CRC algorithm

start_time

4

Start time of the connection task

event_counter

2

Number of connection events

channel

1

Channel on which next event will occur

options

1

Bit 1 – Channel Selection Algorithm #2 in use
Bit 2 – Ignore start_time parameter

hop

1

Channel hop value

central_phy

1

PHY in use on Central device

peripheral_phy

1

PHY in use on Peripheral device

channel_map[5]

1

Bitmap of valid channels

central_sca

1

Sleep clock accuracy

supervision_timeout

2

Connection supervision timeout

sniffer_handle

1

Index of sniffer

HCI_VS_SiliconLabs_Get_Stack_Space

0x3f/0x33

-

transport_thr_stack_space
linklayer_thr_stack_space
status

transport_thr_stack_space

4

Stack space of transport thread in a RTOS

linklayer_thr_stack_space

4

Stack space of link layer thread in a RTOS

status

1

Success (0x0)
Command Disallowed (0xC)

sniffer_handle

1

Index of sniffer to stop

status

1

Success (0x0)
Invalid HCI Command Parameters (0x12)

HCI_VS_SiliconLabs_Read_AFH_Channel_Map_Quality

Read the channel map quality when AFH is enabled and the passive adaptivity channel map flag is enabled

0x3f/0x35

operation_mode

status
quality_map

mode

1

Operation mode to select what the output will contain
0x00 – Get channel quality map; error otherwise

status

1

Success (0x0)
Invalid HCI Command Parameters (0x12)
Command Disallowed (0xC)

quality_map

40

Channel map quality score for each data channel (first 37 bytes) and the 3 advertisement channels (last 3 bytes)
Active channel quality range: [-112,80]
Blocked channel quality: -127

HCI_VS_SiliconLabs_Event_Info_Reporting_Enable

Enable event info reporting

0x3f/0x36

enable
configuration
procedure_type
procedure_identifier_length
procedure_identifier[]

status
procedure_type
procedure_identifier_length
procedure_identifier[]

enable

1

Enable (1) or disable (0) event info reporting

configuration

4

Bitfield for configuration options
0x000001 - PAwR event counter

procedure_type

1

Type of procedure for reporting
0 - PAwR ADV

procedure_identifier_length

1

Length of procedure identifier data array for the procedure type
0x02 - PAwR ADV

procedure_identifier[]

1

Procedure identifier data
PAwR ADV:
Byte 1 - Advertising handle
Byte 2 - Subevent

status

1

Success (0x0)
Invalid HCI Command Parameters (0x12)
Memory Capacity Exceeded (0x7)

response: procedure_type

1

Type of procedure

response: procedure_identifier_length

1

Length of procedure identifier array

response: procedure_identifier[]

variable

Procedure identifier data

HCI_Event_Le_Silabs_IQ_Report
Receive SiliconLabs proprietary IQ sampling reports.
For further information, refer to the following documents:
Bluetooth® Direction Finding Fundamentals
Silicon Labs Direction-Finding Solution Quick-Start Guide
Application Development with Silicon Labs’ RTL Library

0xff

subevent_code
address_type
address
rx_phy
channel_index
rssi
rssi_antenna_id
cte_type
slot_durations
packet_status
packet_counter
sample_count
sample

HCI_Event_Le_Silabs_Sk_Request

Request for host to generate session key.

0xff

subevent_code
Handle
RandomDiversifier
SKD

HCI_Event_VS_SiliconLabs_Connection_Statistics

Statistics report of a connection.

0xff

subevent_code
handle
rssi_min
rssi_max
events_total
events_success
events_missed
crc_errors

subevent_code

1

Vendor-specific subevent identifier (subcode) for this event. Value: 0xEF.

handle

2

Connection handle

rssi_min

1

Minimum RSSI received in connection packets.
0x7f if RSSI is unknown.

rssi_max

1

Maximum RSSI receiver in connection packets.
-0x7f if RSSI is unknown.

events_total

4

Total number of connection events

events_success

4

Number of successful connection events

events_missed

4

Number of missed connection events

crc_errors

4

Increased when packet with bad crc is received

HCI_Event_Le_Silabs_Sniff_Connection

Report of the sniffed connection.

0xff

subevent_code
central_rssi
peripheral_rssi
flags
sniffer_handle

HCI_Event_Le_Silabs_Sniff_Complete

Received when connection sniffing is complete.

0xff

subevent_code
sniffer_handle
reason

HCI_Event_
VS_Siliconlabs_Periodic_Advertising_Sync_Transfer_Received

Received when the periodic advertising sync parameters are changed or the receiver drops the current synchronizer and establishes a new one

0xff

subevent_code
status
receiving_sync_handle
service_data
sync_handle
advertising_sid
advertiser_address_type
advertiser_address
advertiser_phy
periodic_advertising_interval
advertiser_clock_accuracy
num_subevents
subevent_interval
response_slot_delay
response_slot_spacing

HCI_VS_SiliconLabs_Event_Info_Report

Report of the event information

0xff

subevent_code
configuration
procedure_type
procedure_identifier_length
procedure_identifier
event_info_length
event_info

filter_config

4

Bitmap that holds configuration of the filter
0x00000001 – Enable RSSI filtering
0x00000002 – Enable filtering of 16-bit Service Data UUIDs
0x00000004 – Enable filtering of Incomplete Lists of 16-bit Service Class UUIDs
0x00000008 - Enable filtering of Complete Lists of 16-bit Service Class UUIDs
0x00000010 - Enable 32-bit Service Data UUID filtering
0x00000020 – Enable filtering of Incomplete Lists of 32-bit Service Class UUIDs
0x00000040 - Enable filtering of Complete Lists of 32-bit Service Class UUIDs

rssi_threshold

1

Threshold value in dBm for RSSI when event filtering by RSSI is enabled

uuid_array_length

1

Array length of 16-bit UUID array. Must be less than or equal to SL_BT_HCI_FILTER_16BIT_UUID_ARRAY_LEN

uuid_array [ ]

variable

16-bit UUID array. Array size is the length set for 16-bit UUID array

uuid_array_length

1

Array length of 32-bit UUID array. Must be less than or equal to SL_BT_HCI_FILTER_32BIT_UUID_ARRAY_LEN

uuid_array [ ]

variable

32-bit UUID array. Array size is the length set for 32-bit UUID array