UM1865 datasheet(20/132 Pages) STMICROELECTRONICS

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Vendor specific commands

UM1865

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DocID027514 Rev 1

4.2.6

Evt_Blue_L2CAP_Procedure_Timeout

This event is generated when the master does not respond to the connection update

request packet with a connection update response packet or a command reject packet

within 30 seconds.

4.2.7

Evt_Blue_L2CAP_Connection_Update_Request

The event is given by the L2CAP layer when a connection update request is received from

the slave. The upper layer which receives this event has to respond by sending a

Aci_L2CAP_Connection_Update_Resp command to the BlueNRG-MS.

Table 14. Evt_Blue_L2CAP_Connection_Update_Resp

Parameter

Size

Description

Event code

2 bytes

The event code for connection update response event

Connection handle

2 bytes

Connection handle for which the command is given

Datalen

1 byte

Length of the data to follow

Data

Datalen

bytes

Contains: (data is in the form described in Bluetooth Core v4.1

vol 3, Part A, ch. 4.1 and ch. 4.21)

1. command reject packet if the request was rejected by the

master or

2. connection update response packet

Table 15. Evt_Blue_L2CAP_Procedure_Timeout

Parameter

Size

Description

Event code

2 bytes

The event code for L2CAP procedure timeout event

Datalen

1 byte

Length of the data to follow

Data

Datalen

bytes

Status (0x0000: Success)

Table 16. Evt_Blue_L2CAP_Connection_Update_Request

Parameter

Size

Description

Event code

2 bytes

The event code for connection update request event.

Conn_Handle

2 bytes

Handle of the connection for which the connection update

request has been received. The same handle has to be returned

while responding to the event with the command

Aci_L2CAP_Connection_Update_Resp.

DataLen

1 byte

Length of the data to follow. The data will be the L2CAP

connection update request received.

Identifier

1 byte

This is the identifier which associates the request to the

response. The same identifier has to be returned by the upper

layer in the command Aci_L2CAP_Connection_Update_Resp.

Length

2 bytes

Length of the L2CAP connection update request

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