UM1755 datasheet(23/123 Pages) STMICROELECTRONICS

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UM1755

Vendor specific commands

123

To allow a fast connection, the host can set Local_Name, Service_Uuid_List,

Slave_Conn_Interval_Min and Slave_Conn_Interval_Max. These parameters are optional

in this command. These values can be set in advertised data using GAP_Update_Adv_Data

command separately.

Table 21. Aci_gap_set_limited_discoverable command parameters

Parameter

Size

Description

Advertising_Event_Type

1 byte

0x00: Connectable undirected advertising (default)

0x02: Scannable undirected advertising

0x03: Non connectable undirected advertising

Address_Type

1 byte

0x00: Public device address (default)

0x01: Random device address

Adv_Filter_Policy

1 byte

0x00: Allow scan request from any, allow connect

request from any (default).

0x01: Allow scan request from white list only, allow

connect request from Any.

0x02: Allow scan request from any, allow connect

request from white list only.

0x03: Allow scan request from white list only, allow

connect request from white list only.

Local_Name_Length

1 byte

Length of the local name string in octets.

If length is set to 0x00, Local_Name parameter should

not be used.

Local_Name

0-N bytes

Local name of the device. This is an ASCII string

without NULL character.

Service_UUID_Length

1 byte

Length of the service UUID list in octets. If there is no

service to be advertised, set this field to 0x00.

Service_UUID_List

0-N bytes

This is the list of the UUID’s AD types as defined in

Volume 3, Section 11.1.1 of GAP Specification

Slave_Conn_Interval_Min

2 bytes

Slave connection internal minimum value.

Connection interval is defined in the following manner:

connIntervalmin = Slave_Conn_Interval_Min * 1.25 ms

Slave_Conn_Interval_Min range: 0x0006 to 0x0C80

Value of 0xFFFF indicates no specific minimum.

Slave_Conn_Interval_Max

2 bytes

Slave connection internal maximum value.

ConnIntervalmax = Slave_Conn_Interval_Max * 1.25

Slave_Conn_Interval_Max range: 0x0006 to 0x0C80

Slave_ Conn_Interval_Max shall be equal to or greater

than the Slave_Conn_Interval_Min.

Value of 0xFFFF indicates no specific maximum.

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