BT Classic fixed pin is ignored

[JHedgesBartec]

Answers checklist

• I have read the documentation ESP-AT Programming Guide and the issue is not addressed there.
• I have used the latest released firmware or have updated my ESP-AT branch (master or release) to the latest version and checked that the issue is present there.
• I have searched the issue tracker for a similar issue and not found a similar issue.

AT+GMR

AT+GMR
AT version:3.5.0.0-dev(s-ba52610 - ESP32 - Oct 31 2024 08:02:56)
SDK version:v5.0.6-dirty
compile time(a5f8f39):Nov 19 2024 14:45:45
Bin version:v4.0.0.1(WROOM-32)

OK

ESP-AT Firmware Source

Downloaded from Master, with commit reverted to 102d5127
BT Classic Enabled.

Hardware Information

ESP32-WROOM-32

Power Supply used

USB

What is the expected behavior?

If a fixed pin is set, if a client attempts to pair and connect, the fixed pin is used.

What is the actual behavior?

If a client connects, the fixed pin is ignored.

Probability of recurrence

100%

AT+SYSRAM?

AT+SYSRAM?
+SYSRAM:82300,75040
OK

Steps to reproduce

1. Initialise BT Classic
2. Set a Fixed Pin with no IO capability
3. Set the scan mode to discoverable and connectable
4. Use Windows or Android device to initiate BT classic pairing

AT command port output

ready
ATE0
ATE0

OK
AT+GMR
AT version:3.5.0.0-dev(s-ba52610 - ESP32 - Oct 31 2024 08:02:56)
SDK version:v5.0.6-dirty
compile time(a5f8f393):Nov 19 2024 14:45:45
Bin version:v4.0.0.1(WROOM-32)

OK
AT+RFPOWER=60

OK
AT+BLEINIT=0

OK
AT+BTINIT=1

OK
AT+BTNAME="ESP32DevKitC"

OK
AT+BTSECPARAM=3,1,"ABCD1234"

OK
AT+BTADDR?
+BTADDR:"90:38:0c:ed:67:02"

OK
AT+BTSPPINIT=1

OK
AT+BTSCANMODE=2

OK
AT+CWINIT=1

OK
AT+CWMODE=1

OK
AT+CIPSTAMAC?
+CIPSTAMAC:"90:38:0c:ed:67:00"

OK
AT+SYSRAM?
+SYSRAM:82300,75040
OK

AT log port output

Silence mode enabled to allow compilation wit BT classic.

More Information.

I have tried disabling BT Classic SSP through menu config in case this overrides the fixed pin, however the compilation fails with undefined references to functions in at_btCmd.c.obj.