Page 178 of 195
AT.s LE Command Set v5.1.1b
Copyright © 2002-2021 BlueRadios, Inc.
200 S. Wilcox St., Unit 158 • Castle Rock, CO 80104 • USA • 303-957-1003 •
Write Permission (uint8)
Security Access
Value
Description
SEC_NO_ACCESS
0x00
Not possible to access
SEC_OPEN
0x01
Access open
SEC_JUST_WORKS
0x02
Access possible with 'Just Works' security at least
SEC_MITM
0x03
Access possible with 'MITM' security at least
CCCD Permissions
Write Permission (uint8)
Security Access
Value
Description
SEC_NO_ACCESS
0x00
Not possible to access
SEC_OPEN
0x01
Access open
SEC_JUST_WORKS
0x02
Access possible with 'Just Works' security at least
SEC_MITM
0x03
Access possible with 'MITM' security at least
Maximum Attribute Value Length (uint16 - little-endian format)
Maximum value of 512 (0x0002)
Characteristic User Description Length (uint8)
Maximum value of 20 (0x14)
Characteristic User Description (uint8 [20])
Formatted as ASCII Hex Data. Unused bytes can be omitted.
Example: “Test Char 01” => 546573742043686172203031
Descriptor Count (uint8)
The number of descriptors included.
Descriptor Structures
UUID (uint16)
16-bit UUID. Example: 2907
Read Permission (uint8)
Security Access
Value
Description
SEC_NO_ACCESS
0x00
Not possible to access
SEC_OPEN
0x01
Access open
SEC_JUST_WORKS
0x02
Access possible with 'Just Works' security at least
SEC_MITM
0x03
Access possible with 'MITM' security at least