UM1865 datasheet(84/132 Pages) STMICROELECTRONICS

84 / 132 page

Vendor specific commands

UM1865

84/132

DocID027514 Rev 1

Event(s) generated:

A command status event is generated on the receipt of the command. The responses of the

procedure are given through the Evt_Blue_ Att_Find_By_Type_Value_Resp event. The end

of the procedure is indicated by a Evt_Blue_Procedure_Complete event.

4.5.15

Aci_Att_Read_Attr_By_Type_Req

Description:

It posts the read by type request.

AttrValLen

1 byte

Length of the attribute value to follow.

Note: Though the max attribute value that is allowed according to

the spec is 512 octets, due to the limitation of the transport layer

(command packet max length is 255 bytes) the value is limited to

255 bytes

AttrVal

0-N bytes

Value of the attribute to be matched

Table 165. Aci_Att_Find_Attr_By_Typ_And_Value_Req 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

Table 164. Aci_Att_Find_Attr_By_Typ_And_Value_Req command parameters

Parameter

Size

Description

Table 166. Aci_Att_Read_Attr_By_Type_Req

Command name

Parameters

Return

Aci_Att_Read_Attr_By_Type_Req (0xFD0E)

Connection handle

Start handle

End handle

UUID type

UUID

Status

UM1865 데이터시트(PDF) 84 Page - STMicroelectronics

UM1865 데이터시트(HTML) 84 Page - STMicroelectronics

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

데이터시트 다운로드

링크 URL