UM1865 datasheet(50/132 Pages) STMICROELECTRONICS

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Vendor specific commands

UM1865

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DocID027514 Rev 1

4.3.27

Aci_Gap_Start_Auto_Conn_Establishment

Description:

Start the auto connection establishment procedure. The devices specified are added to the

white list of the controller and a LE_Create_Connection call will be made to the controller by

GAP with the initiator filter policy set to “use whitelist to determine which advertiser to

connect to”. When a command is issued to terminate the procedure by upper layer, a

LE_Create_Connection_Cancel call will be made to the controller by GAP.

Table 86. Aci_Gap_Start_Auto_Conn_Establishment

Command name

Parameters

Return

Aci_Gap_Start_Auto_Conn_Establishment

(0xFC99)

Scan_Interval

Scan_Window

Own_Address_Type

Conn_Interval_Min

Conn_Interval_Max

Conn_Latency

Supervision_Timeout

Conn_Len_Min

Conn_Len_Max

Num_WhiteList_Entries

Addr_Array

Status

Table 87. Aci_Gap_Start_Auto_Conn_Establishment command parameters

Parameter

Size

Description

Scan_Interval

2 bytes

Time interval from when the controller started its last LE scan

until it begins the subsequent LE scan. The scan interval should

be a number in the range 0x0004 to 0x4000. This corresponds to

a time range 2.5 msec to 10240 msec. For a number N, Time = N

* 0.625 msec.

Scan_Window

2 bytes

Amount of time for the duration of the LE scan. Scan_Window

shall be less than or equal to Scan_Interval. The scan window

should be a number in the range 0x0004 to 0x4000. This

corresponds to a time range 2.5 msec to 10240 msec. For a

number N, Time = N * 0.625 msec.

Own_Address_Type

1 byte

0x00: Public device address (default)

0x01: Random device address

Conn_Interval_Min

2 bytes

Minimum value for the connection event interval. This shall be

less than or equal to Conn_Interval_Max.

Range: 0x0006 to 0x0C80

Time = N * 1.25 msec

Time Range: 7.5 msec to 4 seconds

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