S42/ADC/LUA AT Command Reference
80512ST10860A Rev.0
Page 31 of 40
2017-10-06
The characteristic properties are coded as a hexadecimal bitmask as defined in
Bluetooth Core
Spec 4.0 Volume3 Part G Chapter 3.3.1.1 [4]
.
Value
Properties
02
Read
04
Write without response
08
Write
10
Notify
20
Indicate
The values can be combined, for example read & notify result in 12.
The attribute permissions (parameter perm=<
permissions
>) are bit coded in a 16 bit
hexadecimal value.
Bit
Value
Function
0,1,2
0
1
2
3
4
Read not permitted
Read permitted
Read with authentication permitted
Read with authentication and MITM protection permitted
Read with authentication, LE Secure Connection and MITM
protection permitted
3
-
Reserved
4,5,6
0
1
2
3
4
Write not permitted
Write permitted
Write with authentication permitted
Write with authentication and MITM protection permitted
Write with authentication, LE Secure Connection and MITM
protection permitted
7..15
-
Reserved
Example: Value for read only is 0001.