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블루투스/ATT

ATT Opcode (ATT PDU) - 가로 버전

by 테크쟁이 2023. 1. 10.
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참고자료: https://www.bluetooth.com/specifications/specs/core-specification-5-3/

* 세로 형태의 ATT PDU는 "ATT Opcode (ATT PDU) - 세로 버전" 참고

 

Attribute protocol PDU
분류 Attribute Opcode
(1 octet)
Parameter
Error
handling
0x01  ATT_ERROR_RSP

* Error code는 "ATT_ERROR_RSP Error Code" 참고
MTU
exchange
0x02 ATT_EXCHANGE_MTU_REQ
0x03 ATT_EXCHANGE_MTU_RSP
Find
information
0x04 ATT_FIND_INFORMATION_REQ
0x05 ATT_FIND_INFORMATION_RSP
0x06 ATT_FIND_BY_TYPE_VALUE_REQ
0x07 ATT_FIND_BY_TYPE_VALUE_RSP
Reading
attribute
0x08 ATT_READ_BY_TYPE_REQ
0x09 ATT_READ_BY_TYPE_RSP
0x0A ATT_READ_REQ
0x0B ATT_READ_RSP
0x0C ATT_READ_BLOB_REQ
0x0D ATT_READ_BLOB_RSP
0x0E ATT_READ_MULTIPLE_REQ
0x0F ATT_READ_MULTIPLE_RSP
0x10 ATT_READ_BY_GROUP_TYPE_REQ
0x11 ATT_READ_BY_GROUP_TYPE_RSP
0x20 ATT_READ_MULTIPLE_VARIABLE_REQ
0x21 ATT_READ_MULTIPLE_VARIABLE_RSP
Writing
attribute
0x12 ATT_WRITE_REQ
0x13 ATT_WRITE_RSP No Parameter
0x52 ATT_WRITE_CMD
0xD2 ATT_SIGNED_WRITE_CMD
Queued
write
0x16 ATT_PREPARE_WRITE_REQ
0x17 ATT_PREPARE_WRITE_RSP
0x18 ATT_EXECUTE_WRITE_REQ
0x19 ATT_EXECUTE_WRITE_RSP No Parameter
Server
initiated
0x1B ATT_HANDLE_VALUE_NTF
0x1D ATT_HANDLE_VALUE_IND
0x1E ATT_HANDLE_VALUE_CFM No Parameter
0x23 ATT_MULTIPLE_HANDLE_VALUE_NTF

 

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