5.4.1.5. Bonding
The
SECFLAGS_BONDING_ENABLE
flag in the
user setting allows enabling the
bonding feature. This feature stores the keys that are exchanged during the pairing phase
in a connection setup. With this, subsequent connections to bonded devices can be estab-
lished without renegotiation.
The commands
and
allow to display and remove
certain or all entries of the list of bonded devices.
Example: Secured connection with LE Legacy security method "Just Works" using
bonding
1. Power-up the modules and make their UARTs accessible by the host(s) (115200 Baud,
8n1). After the power-up or after reset the following sequence is sent from the module
to the host.
Info
Module A
Module B
⇐
Response
: Module A
started in
ACTION_IDLE
mode.
02 41 02 00 01 01 41
⇐
Response
: Module B
started in
ACTION_IDLE
mode.
02 41 02 00 01 01 41
2. Request the
of both modules.
Info
Module A
Module B
⇒
Request
with settings index 4
02 10 01 00 04 17
⇐
Response
of
module A is
0x55 0x00 0x00 0xDA 0x18 0x00
02 50 07 00 00
55 00
00 DA 18 00
C2
⇒
Request
with settings index 4
02 10 01 00 04 17
⇐
Response
of
module B is
0x11 0x00 0x00 0xDA 0x18 0x00
02 50 07 00 00
11 00
00 DA 18 00
86
3. Configure the parameter
to use "Just Works with bonding" pairing method
for Bluetooth
®
security.
Proteus-III reference manual version 1.3
© August 2020
www.we-online.com/wireless-connectivity
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