chegewara
commented
6 years ago When we are lucky and we are connected with nRF for long enough to perform some action then read/write action lasts for few seconds (logs from the same session):
android:
nRF Connect, 2017-12-20
ESP_BLE_SECURITY (50:B7:BB:F9:95:7C)
V 11:19:05.165 Connecting to 50:B7:BB:F9:95:7C...
D 11:19:05.166 gatt = device.connectGatt(autoConnect = false, TRANSPORT_LE) (hidden)
D 11:19:05.404 [Callback] Connection state changed with status: 0 and new state: CONNECTED (2)
I 11:19:05.404 Connected to 50:B7:BB:F9:95:7C
D 11:19:05.416 [Broadcast] Action received: android.bluetooth.device.action.ACL_CONNECTED
V 11:19:05.416 Discovering services...
D 11:19:05.416 gatt.discoverServices()
D 11:19:05.444 [Broadcast] Action received: android.bluetooth.device.action.BOND_STATE_CHANGED, bond state changed to: BOND_BONDING (11)
D 11:19:06.078 [Broadcast] Action received: android.bluetooth.device.action.BOND_STATE_CHANGED, bond state changed to: BOND_BONDED (12)
I 11:19:06.079 Device bonded
D 11:19:36.628 [Callback] Services discovered with status: 0
I 11:19:36.629 Services discovered
V 11:19:36.649 Generic Attribute (0x1801)
- Service Changed [I] (0x2A05)
Generic Access (0x1800)
- Device Name [R] (0x2A00)
- Appearance [R] (0x2A01)
- Central Address Resolution [R] (0x2AA6)
Health Thermometer (0x1809)
- Heart Rate Measurement [N] (0x2A37)
Client Characteristic Configuration (0x2902)
- Body Sensor Location [R] (0x2A38)
- Heart Rate Control Point [R W] (0x2A39)
V 11:19:58.455 Enabling notifications for 00002a37-0000-1000-8000-00805f9b34fb
D 11:19:58.455 gatt.setCharacteristicNotification(00002a37-0000-1000-8000-00805f9b34fb, true)
D 11:19:58.457 gatt.writeDescriptor(00002902-0000-1000-8000-00805f9b34fb, value=0x0100)
I 11:20:01.869 Data written to descr. 00002902-0000-1000-8000-00805f9b34fb, value: (0x) 01-00
A 11:20:01.869 "Notifications enabled" sent
V 11:20:01.897 Notifications enabled for 00002a37-0000-1000-8000-00805f9b34fb
V 11:20:05.911 Disabling notifications for 00002a37-0000-1000-8000-00805f9b34fb
D 11:20:05.911 gatt.setCharacteristicNotification(00002a37-0000-1000-8000-00805f9b34fb, false)
D 11:20:05.912 gatt.writeDescriptor(00002902-0000-1000-8000-00805f9b34fb, value=0x0000)
I 11:20:09.065 Data written to descr. 00002902-0000-1000-8000-00805f9b34fb, value: (0x) 00-00
A 11:20:09.065 "Notifications and indications disabled" sent
V 11:20:09.078 Notifications and indications disabled for 00002a37-0000-1000-8000-00805f9b34fb
V 11:20:44.016 Reading characteristic 00002a00-0000-1000-8000-00805f9b34fb
D 11:20:44.016 gatt.readCharacteristic(00002a00-0000-1000-8000-00805f9b34fb)
I 11:20:47.097 Read Response received from 00002a00-0000-1000-8000-00805f9b34fb, value: (0x) 45-53-50-5F-42-4C-45-5F-53-45-43-55-52-49-54-59, "ESP_BLE_SECURITY"
A 11:20:47.097 "ESP_BLE_SECURITY" received
D 11:21:21.955 [Callback] Connection state changed with status: 14 and new state: DISCONNECTED (0)
D 11:21:21.979 [Broadcast] Action received: android.bluetooth.device.action.ACL_DISCONNECTED
E 11:21:21.989 Error 14 (0xe): UNKNOWN (14)
I 11:21:21.989 Disconnectedesp32:
V (25048) SEC_GATTS_DEMO: event = e
I (25048) SEC_GATTS_DEMO: ESP_GATTS_CONNECT_EVT
E (25048) BT: Non bonding: No keys will be exchanged
E (25048) BT: lmp_version_below LMP version 6 < 8
D (25678) nvs: nvs_open_from_partition bt_config.conf 1
D (25678) nvs: nvs_set_blob bt_cfg_key 250
D (25678) nvs: nvs_close 4
V (25678) SEC_GATTS_DEMO: GAP_EVT, event 8
I (25688) SEC_GATTS_DEMO: remote BD_ADDR: 781fdbc0c7f3
I (25688) SEC_GATTS_DEMO: address type = 0
I (25698) SEC_GATTS_DEMO: pair status = success
I (25698) SEC_GATTS_DEMO: Bonded devices number : 1
I (25708) SEC_GATTS_DEMO: Bonded devices list : 1
I (25708) SEC_GATTS_DEMO: f0 60 fd 3f 02 00
V (27058) SEC_GATTS_DEMO: GAP_EVT, event 20
V (79888) SEC_GATTS_DEMO: event = 2
I (79888) SEC_GATTS_DEMO: ESP_GATTS_WRITE_EVT, write value:
I (79888) SEC_GATTS_DEMO: 01 00
V (87098) SEC_GATTS_DEMO: event = 2
I (87098) SEC_GATTS_DEMO: ESP_GATTS_WRITE_EVT, write value:
I (87098) SEC_GATTS_DEMO: 00 00
V (156908) SEC_GATTS_DEMO: event = f
I (156908) SEC_GATTS_DEMO: ESP_GATTS_DISCONNECT_EVT
V (156908) SEC_GATTS_DEMO: GAP_EVT, event 6
I (156908) SEC_GATTS_DEMO: advertising start success
esp-idf commit c69af42 but it exists also with master latest commit.
When we are trying to setup gatt_secure_server example with those settings
we have unexpected behavior. First logs from connecting esp32 with windows 10 laptop:
Second one logs from connecting with android phone. Samsung SGS 4 with android 5. Long time to connect and quick auto-disconnect: