Hello everyone!
Would you know why I get a "Status: Unknown Connection Identifier
(0x02)" error while trying to connect to a BLE device, causing a
"Connect failed" message. However sometimes, as you can read below, it
is still able to connect to it.
Bluetooth monitor ver 5.35
...
< HCI Command: LE Set Scan Parameters (0x08|0x000b) plen 7
[hci0] 15:36:33.367332
Type: Passive (0x00)
Interval: 60.000 msec (0x0060)
Window: 30.000 msec (0x0030)
Own address type: Public (0x00)
Filter policy: Ignore not in white list (0x01)
> HCI Event: Command Complete (0x0e) plen 4 [hci0] 15:36:33.368113
LE Set Scan Parameters (0x08|0x000b) ncmd 1
Status: Success (0x00)
< HCI Command: LE Set Scan Enable (0x08|0x000c) plen 2
[hci0] 15:36:33.368139
Scanning: Enabled (0x01)
Filter duplicates: Enabled (0x01)
> HCI Event: Command Complete (0x0e) plen 4 [hci0] 15:36:33.369111
LE Set Scan Enable (0x08|0x000c) ncmd 1
Status: Success (0x00)
> HCI Event: LE Meta Event (0x3e) plen 43 [hci0] 15:36:37.636180
LE Advertising Report (0x02)
Num reports: 1
Event type: Connectable undirected - ADV_IND (0x00)
Address type: Public (0x00)
Address: 88:0F:10:9D:EB:42 (OUI 88-0F-10)
Data length: 31
Flags: 0x06
LE General Discoverable Mode
BR/EDR Not Supported
Company: Anhui Huami Information Technology Co., Ltd. (343)
Data: 0093590469cb1080738d253d87117136f902880f109deb42
RSSI: -60 dBm (0xc4)
< HCI Command: LE Set Scan Enable (0x08|0x000c) plen 2
[hci0] 15:36:37.636249
Scanning: Disabled (0x00)
Filter duplicates: Disabled (0x00)
> HCI Event: Command Complete (0x0e) plen 4 [hci0] 15:36:37.637121
LE Set Scan Enable (0x08|0x000c) ncmd 1
Status: Success (0x00)
< HCI Command: LE Create Connection (0x08|0x000d) plen 25
[hci0] 15:36:37.637198
Scan interval: 60.000 msec (0x0060)
Scan window: 30.000 msec (0x0030)
Filter policy: White list is not used (0x00)
Peer address type: Public (0x00)
Peer address: 88:0F:10:9D:EB:42 (OUI 88-0F-10)
Own address type: Public (0x00)
Min connection interval: 50.00 msec (0x0028)
Max connection interval: 70.00 msec (0x0038)
Connection latency: 0x0000
Supervision timeout: 420 msec (0x002a)
Min connection length: 0.000 msec (0x0000)
Max connection length: 0.000 msec (0x0000)
> HCI Event: Command Status (0x0f) plen 4 [hci0] 15:36:37.638083
LE Create Connection (0x08|0x000d) ncmd 1
Status: Success (0x00)
< HCI Command: LE Create Connection Cancel (0x08|0x000e) plen 0
[hci0] 15:36:39.643232
> HCI Event: Command Complete (0x0e) plen 4 [hci0] 15:36:39.644088
LE Create Connection Cancel (0x08|0x000e) ncmd 1
Status: Success (0x00)
> HCI Event: LE Meta Event (0x3e) plen 19 [hci0] 15:36:39.646071
LE Connection Complete (0x01)
Status: Unknown Connection Identifier (0x02)
Handle: 32
Role: Master (0x00)
Peer address type: Public (0x00)
Peer address: 88:0F:10:9D:EB:42 (OUI 88-0F-10)
Connection interval: 67.50 msec (0x0036)
Connection latency: 0.00 msec (0x0000)
Supervision timeout: 420 msec (0x002a)
Master clock accuracy: 0x00
@ Connect Failed: 88:0F:10:9D:EB:42 (1) status 0x02
< HCI Command: LE Set Scan Parameters (0x08|0x000b) plen 7
[hci0] 15:36:39.663306
Type: Passive (0x00)
Interval: 60.000 msec (0x0060)
Window: 30.000 msec (0x0030)
Own address type: Public (0x00)
Filter policy: Ignore not in white list (0x01)
> HCI Event: Command Complete (0x0e) plen 4 [hci0] 15:36:39.664082
LE Set Scan Parameters (0x08|0x000b) ncmd 1
Status: Success (0x00)
< HCI Command: LE Set Scan Enable (0x08|0x000c) plen 2
[hci0] 15:36:39.664181
Scanning: Enabled (0x01)
Filter duplicates: Enabled (0x01)
> HCI Event: Command Complete (0x0e) plen 4 [hci0] 15:36:39.665078
LE Set Scan Enable (0x08|0x000c) ncmd 1
Status: Success (0x00)
> HCI Event: LE Meta Event (0x3e) plen 43 [hci0] 15:36:40.647148
LE Advertising Report (0x02)
Num reports: 1
Event type: Connectable undirected - ADV_IND (0x00)
Address type: Public (0x00)
Address: 88:0F:10:9D:EB:42 (OUI 88-0F-10)
Data length: 31
Flags: 0x06
LE General Discoverable Mode
BR/EDR Not Supported
Company: Anhui Huami Information Technology Co., Ltd. (343)
Data: 0093590469cb1080738d253d87117136f902880f109deb42
RSSI: -61 dBm (0xc3)
< HCI Command: LE Set Scan Enable (0x08|0x000c) plen 2
[hci0] 15:36:40.647275
Scanning: Disabled (0x00)
Filter duplicates: Disabled (0x00)
> HCI Event: Command Complete (0x0e) plen 4 [hci0] 15:36:40.648077
LE Set Scan Enable (0x08|0x000c) ncmd 1
Status: Success (0x00)
< HCI Command: LE Create Connection (0x08|0x000d) plen 25
[hci0] 15:36:40.648195
Scan interval: 60.000 msec (0x0060)
Scan window: 30.000 msec (0x0030)
Filter policy: White list is not used (0x00)
Peer address type: Public (0x00)
Peer address: 88:0F:10:9D:EB:42 (OUI 88-0F-10)
Own address type: Public (0x00)
Min connection interval: 50.00 msec (0x0028)
Max connection interval: 70.00 msec (0x0038)
Connection latency: 0x0000
Supervision timeout: 420 msec (0x002a)
Min connection length: 0.000 msec (0x0000)
Max connection length: 0.000 msec (0x0000)
> HCI Event: Command Status (0x0f) plen 4 [hci0] 15:36:40.649074
LE Create Connection (0x08|0x000d) ncmd 1
Status: Success (0x00)
> HCI Event: LE Meta Event (0x3e) plen 19 [hci0] 15:36:42.154146
LE Connection Complete (0x01)
Status: Success (0x00)
Handle: 32
Role: Master (0x00)
Peer address type: Public (0x00)
Peer address: 88:0F:10:9D:EB:42 (OUI 88-0F-10)
Connection interval: 67.50 msec (0x0036)
Connection latency: 0.00 msec (0x0000)
Supervision timeout: 420 msec (0x002a)
Master clock accuracy: 0x00
< HCI Command: LE Read Remote Used Features (0x08|0x0016) plen 2
[hci0] 15:36:42.154539
Handle: 32
@ Device Connected: 88:0F:10:9D:EB:42 (1) flags 0x0000
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