UM1865 datasheet(95/132 Pages) STMICROELECTRONICS

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UM1865

Vendor specific commands

132

Event(s) generated:

A command status event is generated on the receipt of the command. When the procedure

is completed, a Evt_Blue_Gatt_Procedure_Cmplt event is generated. Before procedure

completion the response packet is given through

Evt_Blue_Gatt_Disc_Read_Charac_By_UUID_Resp event.

4.5.26

Aci_Gatt_Read_Charac_Using_UUID

Description:

Start the procedure to read all the characteristics specified by the UUID.

Table 199. Aci_Gatt_Read_Charac_Using_UUID

Command name

Parameters

Return

Aci_Gatt_Read_Charac_Using_UUID (0xFD19)

Connection handle

Start handle

End handle

UUID type

UUID

Status

Table 200. Aci_Gatt_Read_Charac_Using_UUID command parameters

Parameter

Size

Description

Connection handle

2 bytes

Connection handle for which the command is given

Start handle

2 bytes

Starting handle of the range to be searched

End handle

2 bytes

End handle of the range to be searched

UUID type

1 byte

0x01: 16-bit UUID (default)

0x02: 128-bit UUID

UUID

2 bytes or

16 bytes

UUID

Table 201. Aci_Gatt_Read_Charac_Using_UUID return parameters

Parameter

Size

Description

Status

1 byte

0x00: Success

0x42: Invalid parameters

0x46: Not allowed

- If the exchange has already taken place

- If GATT is expecting response for previous request

- Already a request is in the queue to be sent

- Channel not open

- Already one GATT procedure is started

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