BTStack connection issue about btstack HOT 5 CLOSED

Looks like the other side shuts it down. Could you please post the full packet log, see http://bluekitchen-gmbh.com/btstack/how_to/#bluetooth-hci-packet-logs

from btstack.

Added the HCI dump log, I've only got 5k for debug logging but here is the final part of the log including the hci dump.

The embedded device is paired with a Nexus 5 (android 5.1.1) and Im trying to connect from the application "Bluetooth viewer" to the embedded device.

0 14 00 40 00 06 00 00 00 0F 35 03 19 12 00 02 90 35 05 0A 00 00 FF FF 00
ACL => 01 00 0F 00 0B 00 47 00 07 00 00 00 06 00 03 36 00 00 00
LOG -- L2CAP_EVENT_CREDITS local_cid 0x40 credits 1
EVT <= 74 03 40 00 01
EVT <= 6C 00
EVT <= 13 05 01 01 00 01 00
ACL <= 01 20 08 00 04 00 41 00 03 3F 01 1C
LOG -- Received SABM #0
LOG -- Sending UA #0
ACL => 01 00 08 00 04 00 46 00 03 73 01 D7
LOG -- L2CAP_EVENT_CREDITS local_cid 0x41 credits 1
EVT <= 74 03 41 00 01
LOG -- Multiplexer up and running
EVT <= 6C 00
EVT <= 13 05 01 01 00 01 00
ACL <= 01 20 0C 00 08 00 01 00 06 07 04 00 40 00 47 00
LOG -- L2CAP signaling handler code 6, state 10
ACL => 01 00 0C 00 08 00 01 00 07 07 04 00 40 00 47 00
LOG -- L2CAP_EVENT_CHANNEL_CLOSED local_cid 0x40
EVT <= 71 02 40 00
LOG -- l2cap_stop_rtx for local cid 0x40
EVT <= 6C 00
EVT <= 13 05 01 01 00 01 00
ACL <= 01 20 12 00 0E 00 41 00 03 EF 15 83 11 02 F0 00 00 DE 03 00 07 70
LOG -- Received UIH Parameter Negotiation Command for #2, credits 7
LOG -- rfcomm_channel_create for service 8006998, channel 1 --- list of channels:
LOG -- -> Inform app
LOG -- RFCOMM_EVENT_INCOMING_CONNECTION addr BC:F5:AC:71:69:A3 channel #1 cid 0x01
EVT <= 82 09 A3 69 71 AC F5 BC 01 01 00
LOG -- rfcomm_channel_ready_for_incoming_dlc_setup state var 0002
EVT <= 13 05 01 01 00 01 00
ACL <= 01 20 0C 00 08 00 01 00 02 08 04 00 01 00 48 00
LOG -- gap_request_security_level 0, current level 3
LOG -- hci_emit_security_level 3 for handle 1
EVT <= E0 03 01 00 03
LOG -- l2cap - security level update
LOG -- l2cap - state 5
LOG -- L2CAP_EVENT_INCOMING_CONNECTION addr BC:F5:AC:71:69:A3 handle 0x1 psm 0x1 local_cid 0x42 remote_cid 0x48
EVT <= 72 0E A3 69 71 AC F5 BC 01 00 01 00 42 00 48 00
LOG -- L2CAP_ACCEPT_CONNECTION local_cid 0x42
ACL => 01 00 10 00 0C 00 01 00 03 08 08 00 42 00 48 00 00 00 00 00
LOG -- l2cap - state 10
EVT <= 6C 00
LOG -- rfcomm_channel_ready_for_incoming_dlc_setup state var 0002
ACL => 01 00 10 00 0C 00 01 00 04 03 08 00 48 00 00 00 01 02 F9 03
LOG -- l2cap_stop_rtx for local cid 0x42
LOG -- l2cap_start_rtx for local cid 0x42
EVT <= 6C 00
LOG -- rfcomm_channel_ready_for_incoming_dlc_setup state var 0002
ACL <= 01 20 10 00 0C 00 01 00 04 09 08 00 42 00 00 00 01 02 A0 02
LOG -- L2CAP signaling handler code 4, state 9
LOG -- l2cap cid 66, hint 0, type 1
ACL => 01 00 12 00 0E 00 01 00 05 09 0A 00 48 00 00 00 00 00 01 02 A0 02
EVT <= 6C 00
LOG -- rfcomm_channel_ready_for_incoming_dlc_setup state var 0002
EVT <= 13 05 01 01 00 02 00
ACL <= 01 20 0E 00 0A 00 01 00 05 03 06 00 42 00 00 00 00 00
LOG -- L2CAP signaling handler code 5, state 9
LOG -- l2cap_stop_rtx for local cid 0x42
LOG -- L2CAP_EVENT_CHANNEL_OPENED status 0x0 addr BC:F5:AC:71:69:A3 handle 0x1 psm 0x1 local_cid 0x42 remote_cid 0x48 local_mtu 1017, remote_mtu 672, flush_timeout 0
EVT <= 70 15 00 A3 69 71 AC F5 BC 01 00 01 00 42 00 48 00 F9 03 A0 02 00 00
LOG -- L2CAP_EVENT_CREDITS local_cid 0x42 credits 1
EVT <= 74 03 42 00 01
EVT <= 13 05 01 01 00 01 00
ACL <= 01 20 18 00 14 00 42 00 06 00 00 00 0F 35 03 19 01 00 02 90 35 05 0A 00 00 FF FF 00
ACL => 01 00 70 00 6C 00 48 00 07 00 00 00 67 00 64 36 00 61 36 00 5E 09 00 00 0A 00 01 00 01 09 00 01 36 00 03 19 11 01 09 00 04 36 00 0E 36 00 03 19 01 00 36 00 05 19 00 03 08 01 09 00 05 36 00 03 19 10 02 09 00 06 36 00 09 09 65 6E 09 00 6A 09 01 00 09 00 09 36 00 09 36 00 06 19 11 01 09 01 02 09 01 00 25 0D 53 50 50 20 49 6E 74 65 72 66 61 63 65 00
LOG -- L2CAP_EVENT_CREDITS local_cid 0x42 credits 1
EVT <= 74 03 42 00 01
EVT <= 6C 00
LOG -- rfcomm_channel_ready_for_incoming_dlc_setup state var 0002
EVT <= 13 05 01 01 00 01 00
ACL <= 01 20 0C 00 08 00 01 00 06 0A 04 00 42 00 48 00
LOG -- L2CAP signaling handler code 6, state 10
ACL => 01 00 0C 00 08 00 01 00 07 0A 04 00 42 00 48 00
LOG -- L2CAP_EVENT_CHANNEL_CLOSED local_cid 0x42
EVT <= 71 02 42 00
LOG -- l2cap_stop_rtx for local cid 0x42
EVT <= 6C 00
LOG -- rfcomm_channel_ready_for_incoming_dlc_setup state var 0002
EVT <= 13 05 01 01 00 01 00
EVT <= 01 01 00
ACL <= 01 20 08 00 04 00 41 00 03 53 01 FD
LOG -- Received DISC #0, (ougoing = 0)
LOG -- TODO: no connections established - delete link key prophylactically
LOG -- Sending UA #0
LOG -- Closing down multiplexer
ACL => 01 00 08 00 04 00 46 00 03 73 01 D7
LOG -- L2CAP_EVENT_CREDITS local_cid 0x41 credits 1
EVT <= 74 03 41 00 01
LOG -- RFCOMM_EVENT_OPEN_CHANNEL_COMPLETE status 0x70 addr BC:F5:AC:71:69:A3 handle 0x1 channel #1 cid 0x01 mtu 100
EVT <= 80 0E 70 A3 69 71 AC F5 BC 01 00 01 01 00 64 00
LOG -- L2CAP_DISCONNECT local_cid 0x41 reason 0x13
EVT <= 6C 00
ACL => 01 00 0C 00 08 00 01 00 06 04 04 00 46 00 41 00
EVT <= 6C 00
EVT <= 13 05 01 01 00 02 00
ACL <= 01 20 0C 00 08 00 01 00 06 0B 04 00 41 00 46 00
LOG -- L2CAP signaling handler code 6, state 11
ACL => 01 00 0C 00 08 00 01 00 07 0B 04 00 41 00 46 00
LOG -- L2CAP_EVENT_CHANNEL_CLOSED local_cid 0x41
EVT <= 71 02 41 00
LOG -- L2CAP_EVENT_CHANNEL_CLOSED cid 0x41, mult 0
LOG -- l2cap_stop_rtx for local cid 0x41
ACL <= 01 20 0C 00 08 00 01 00 07 04 04 00 46 00 41 00
EVT <= 6C 00
EVT <= 13 05 01 01 00 01 00

from btstack.

Thanks. Without the packets for HCI and L2CAP connection setup, Apple's PacketLogger won't properly decode the higher layer messages. I'll respond on the mailing list.

from btstack.

How can i deactivate the "EVT , LOG, ACL and CMD" messages on the Serial port?

from btstack.

On the ESP32, you can comment the call to hci_dump_open in the main() OF esp-idf/components/btstack/main.

Please post general questions on the BTstack mailing list: http://groups.google.com/group/btstack-dev

from btstack.