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Hi I am are writing a service on a rpi CM4, the BLE connection drops after a set amount of time.
btmon log:
0.223304 = Note: Bluetooth subsystem version 2.22 0.223317 = New Index: E4:5F:01:2C:B2:6D (Primary,UART,hci0) [hci0] 0.223326 = Open Index: E4:5F:01:2C:B2:6D [hci0] 0.223328 = Index Info: E4:5F:01:2C:B2:6D (Cypress Semiconductor) [hci0] 0.223332 @ RAW Open: node (privileged) version 2.22 {0x0002} [hci0] 0.223336 @ MGMT Open: node (privileged) version 1.18 {0x0001} 0.223340 > HCI Event: LE Meta Event (0x3e) plen 19 #1 [hci0] 46.387030 LE Connection Complete (0x01) Status: Success (0x00) Handle: 64 Role: Slave (0x01) Peer address type: Random (0x01) Peer address: 48:A5:28:E6:17:D1 (Resolvable) Connection interval: 45.00 msec (0x0024) Connection latency: 0 (0x0000) Supervision timeout: 5000 msec (0x01f4) Master clock accuracy: 0x00 @ MGMT Event: Device Connected (0x000b) plen 13 {0x0001} [hci0] 46.387146 LE Address: 48:A5:28:E6:17:D1 (Resolvable) Flags: 0x00000000 Data length: 0 > HCI Event: Vendor (0xff) plen 5 #2 [hci0] 46.387042 55 00 00 40 00 U..@. < HCI Command: LE Read Remote Used Features (0x08|0x0016) plen 2 #3 [hci0] 46.387420 Handle: 64 > HCI Event: Command Status (0x0f) plen 4 #4 [hci0] 46.388021 LE Read Remote Used Features (0x08|0x0016) ncmd 1 Status: Success (0x00) > HCI Event: Command Complete (0x0e) plen 14 #5 [hci0] 46.388031 LE Read Remote Used Features (0x08|0x0016) ncmd 1 Status: Success (0x00) 00 00 00 00 00 00 00 00 00 00 .......... > HCI Event: LE Meta Event (0x3e) plen 12 #6 [hci0] 46.456079 LE Read Remote Used Features (0x04) Status: Success (0x00) Handle: 64 Features: 0x3f 0x00 0x00 0x00 0x00 0x00 0x00 0x00 LE Encryption Connection Parameter Request Procedure Extended Reject Indication Slave-initiated Features Exchange LE Ping LE Data Packet Length Extension > ACL Data RX: Handle 64 flags 0x02 dlen 11 #7 [hci0] 46.815953 ATT: Read By Group Type Request (0x10) len 6 Handle range: 0x0001-0xffff Attribute group type: Primary Service (0x2800) < ACL Data TX: Handle 64 flags 0x00 dlen 24 #8 [hci0] 46.816698 ATT: Read By Group Type Response (0x11) len 19 Attribute data length: 6 Attribute group list: 3 entries Handle range: 0x0001-0x0005 UUID: Generic Access Profile (0x1800) Handle range: 0x0006-0x0009 UUID: Generic Attribute Profile (0x1801) Handle range: 0x000a-0x0016 UUID: Device Information (0x180a) > ACL Data RX: Handle 64 flags 0x02 dlen 11 #9 [hci0] 46.995356 ATT: Read By Group Type Request (0x10) len 6 Handle range: 0x0017-0xffff Attribute group type: Primary Service (0x2800) < ACL Data TX: Handle 64 flags 0x00 dlen 26 #10 [hci0] 46.996037 ATT: Read By Group Type Response (0x11) len 21 Attribute data length: 20 Attribute group list: 1 entry Handle range: 0x0017-0x0044 UUID: Vendor specific (0fda92b2-44a2-4af2-84f5-fa682baa2b8d) > ACL Data RX: Handle 64 flags 0x02 dlen 11 #11 [hci0] 47.085597 ATT: Read By Group Type Request (0x10) len 6 Handle range: 0x0045-0xffff Attribute group type: Primary Service (0x2800) > HCI Event: Number of Completed Packets (0x13) plen 5 #12 [hci0] 47.085793 Num handles: 1 Handle: 64 Count: 2 < ACL Data TX: Handle 64 flags 0x00 dlen 9 #13 [hci0] 47.086226 ATT: Error Response (0x01) len 4 Read By Group Type Request (0x10) Handle: 0x0045 Error: Attribute Not Found (0x0a) > ACL Data RX: Handle 64 flags 0x02 dlen 11 #14 [hci0] 47.175356 ATT: Read By Type Request (0x08) len 6 Handle range: 0x0001-0x0005 Attribute type: Include (0x2802) < ACL Data TX: Handle 64 flags 0x00 dlen 9 #15 [hci0] 47.175977 ATT: Error Response (0x01) len 4 Read By Type Request (0x08) Handle: 0x0001 Error: Attribute Not Found (0x0a) > ACL Data RX: Handle 64 flags 0x02 dlen 11 #16 [hci0] 47.265600 ATT: Read By Type Request (0x08) len 6 Handle range: 0x0001-0x0005 Attribute type: Characteristic (0x2803) > HCI Event: Number of Completed Packets (0x13) plen 5 #17 [hci0] 47.265791 Num handles: 1 Handle: 64 Count: 2 < ACL Data TX: Handle 64 flags 0x00 dlen 20 #18 [hci0] 47.266296 ATT: Read By Type Response (0x09) len 15 Attribute data length: 7 Attribute data list: 2 entries Handle: 0x0002 Value: 020300002a Handle: 0x0004 Value: 020500012a > HCI Event: LE Meta Event (0x3e) plen 10 #19 [hci0] 47.310818 LE Connection Update Complete (0x03) Status: Success (0x00) Handle: 64 Connection interval: 7.50 msec (0x0006) Connection latency: 0 (0x0000) Supervision timeout: 5000 msec (0x01f4) > ACL Data RX: Handle 64 flags 0x02 dlen 11 #20 [hci0] 47.317863 ATT: Read By Type Request (0x08) len 6 Handle range: 0x0005-0x0005 Attribute type: Characteristic (0x2803) < ACL Data TX: Handle 64 flags 0x00 dlen 9 #21 [hci0] 47.318471 ATT: Error Response (0x01) len 4 Read By Type Request (0x08) Handle: 0x0005 Error: Attribute Not Found (0x0a) > ACL Data RX: Handle 64 flags 0x02 dlen 11 #22 [hci0] 47.333097 ATT: Read By Type Request (0x08) len 6 Handle range: 0x0006-0x0009 Attribute type: Include (0x2802) > HCI Event: Number of Completed Packets (0x13) plen 5 #23 [hci0] 47.333283 Num handles: 1 Handle: 64 Count: 2 < ACL Data TX: Handle 64 flags 0x00 dlen 9 #24 [hci0] 47.334139 ATT: Error Response (0x01) len 4 Read By Type Request (0x08) Handle: 0x0006 Error: Attribute Not Found (0x0a) > ACL Data RX: Handle 64 flags 0x02 dlen 11 #25 [hci0] 47.347889 ATT: Read By Type Request (0x08) len 6 Handle range: 0x0006-0x0009 Attribute type: Characteristic (0x2803) < ACL Data TX: Handle 64 flags 0x00 dlen 13 #26 [hci0] 47.348858 ATT: Read By Type Response (0x09) len 8 Attribute data length: 7 Attribute data list: 1 entry Handle: 0x0007 Value: 200800052a > ACL Data RX: Handle 64 flags 0x02 dlen 11 #27 [hci0] 47.363138 ATT: Read By Type Request (0x08) len 6 Handle range: 0x0008-0x0009 Attribute type: Characteristic (0x2803) > HCI Event: Number of Completed Packets (0x13) plen 5 #28 [hci0] 47.363287 Num handles: 1 Handle: 64 Count: 2 < ACL Data TX: Handle 64 flags 0x00 dlen 9 #29 [hci0] 47.365068 ATT: Error Response (0x01) len 4 Read By Type Request (0x08) Handle: 0x0008 Error: Attribute Not Found (0x0a) > ACL Data RX: Handle 64 flags 0x02 dlen 9 #30 [hci0] 47.377839 ATT: Find Information Request (0x04) len 4 Handle range: 0x0009-0x0009 < ACL Data TX: Handle 64 flags 0x00 dlen 10 #31 [hci0] 47.378686 ATT: Find Information Response (0x05) len 5 Format: UUID-16 (0x01) Handle: 0x0009 UUID: Client Characteristic Configuration (0x2902) > ACL Data RX: Handle 64 flags 0x02 dlen 11 #32 [hci0] 47.393080 ATT: Read By Type Request (0x08) len 6 Handle range: 0x000a-0x0016 Attribute type: Include (0x2802) > HCI Event: Number of Completed Packets (0x13) plen 5 #33 [hci0] 47.393296 Num handles: 1 Handle: 64 Count: 2 < ACL Data TX: Handle 64 flags 0x00 dlen 9 #34 [hci0] 47.394123 ATT: Error Response (0x01) len 4 Read By Type Request (0x08) Handle: 0x000a Error: Attribute Not Found (0x0a) > ACL Data RX: Handle 64 flags 0x02 dlen 11 #35 [hci0] 47.407850 ATT: Read By Type Request (0x08) len 6 Handle range: 0x000a-0x0016 Attribute type: Characteristic (0x2803) < ACL Data TX: Handle 64 flags 0x00 dlen 27 #36 [hci0] 47.408736 ATT: Read By Type Response (0x09) len 22 Attribute data length: 7 Attribute data list: 3 entries Handle: 0x000b Value: 020c00292a Handle: 0x000f Value: 021000252a Handle: 0x0013 Value: 021400262a > ACL Data RX: Handle 64 flags 0x02 dlen 11 #37 [hci0] 47.423080 ATT: Read By Type Request (0x08) len 6 Handle range: 0x0014-0x0016 Attribute type: Characteristic (0x2803) > HCI Event: Number of Completed Packets (0x13) plen 5 #38 [hci0] 47.423335 Num handles: 1 Handle: 64 Count: 2 < ACL Data TX: Handle 64 flags 0x00 dlen 9 #39 [hci0] 47.425000 ATT: Error Response (0x01) len 4 Read By Type Request (0x08) Handle: 0x0014 Error: Attribute Not Found (0x0a) > ACL Data RX: Handle 64 flags 0x02 dlen 9 #40 [hci0] 47.437839 ATT: Find Information Request (0x04) len 4 Handle range: 0x000d-0x000e < ACL Data TX: Handle 64 flags 0x00 dlen 14 #41 [hci0] 47.438709 ATT: Find Information Response (0x05) len 9 Format: UUID-16 (0x01) Handle: 0x000d UUID: Characteristic User Description (0x2901) Handle: 0x000e UUID: Characteristic Format (0x2904) > ACL Data RX: Handle 64 flags 0x02 dlen 9 #42 [hci0] 47.452982 ATT: Find Information Request (0x04) len 4 Handle range: 0x0011-0x0012 > HCI Event: Number of Completed Packets (0x13) plen 5 #43 [hci0] 47.453266 Num handles: 1 Handle: 64 Count: 2 < ACL Data TX: Handle 64 flags 0x00 dlen 14 #44 [hci0] 47.454083 ATT: Find Information Response (0x05) len 9 Format: UUID-16 (0x01) Handle: 0x0011 UUID: Characteristic User Description (0x2901) Handle: 0x0012 UUID: Characteristic Format (0x2904) > ACL Data RX: Handle 64 flags 0x02 dlen 9 #45 [hci0] 47.467836 ATT: Find Information Request (0x04) len 4 Handle range: 0x0015-0x0016 < ACL Data TX: Handle 64 flags 0x00 dlen 14 #46 [hci0] 47.468736 ATT: Find Information Response (0x05) len 9 Format: UUID-16 (0x01) Handle: 0x0015 UUID: Characteristic User Description (0x2901) Handle: 0x0016 UUID: Characteristic Format (0x2904) > ACL Data RX: Handle 64 flags 0x02 dlen 11 #47 [hci0] 47.483066 ATT: Read By Type Request (0x08) len 6 Handle range: 0x0017-0x0044 Attribute type: Include (0x2802) > HCI Event: Number of Completed Packets (0x13) plen 5 #48 [hci0] 47.483268 Num handles: 1 Handle: 64 Count: 2 < ACL Data TX: Handle 64 flags 0x00 dlen 9 #49 [hci0] 47.483960 ATT: Error Response (0x01) len 4 Read By Type Request (0x08) Handle: 0x0017 Error: Attribute Not Found (0x0a) > ACL Data RX: Handle 64 flags 0x02 dlen 11 #50 [hci0] 47.497848 ATT: Read By Type Request (0x08) len 6 Handle range: 0x0017-0x0044 Attribute type: Characteristic (0x2803) < ACL Data TX: Handle 64 flags 0x00 dlen 27 #51 [hci0] 47.498787 ATT: Read By Type Response (0x09) len 22 Attribute data length: 21 Attribute data list: 1 entry Handle: 0x0018 Value: 021900adf5a22c516197b3004616bebdb283d0 > ACL Data RX: Handle 64 flags 0x02 dlen 11 #52 [hci0] 47.513068 ATT: Read By Type Request (0x08) len 6 Handle range: 0x0019-0x0044 Attribute type: Characteristic (0x2803) > HCI Event: Number of Completed Packets (0x13) plen 5 #53 [hci0] 47.513270 Num handles: 1 Handle: 64 Count: 2 < ACL Data TX: Handle 64 flags 0x00 dlen 27 #54 [hci0] 47.513913 ATT: Read By Type Response (0x09) len 22 Attribute data length: 21 Attribute data list: 1 entry Handle: 0x001c Value: 021d00014fa258fe22d3bf9244d350592c850a > ACL Data RX: Handle 64 flags 0x02 dlen 11 #55 [hci0] 47.527854 ATT: Read By Type Request (0x08) len 6 Handle range: 0x001d-0x0044 Attribute type: Characteristic (0x2803) < ACL Data TX: Handle 64 flags 0x00 dlen 27 #56 [hci0] 47.528769 ATT: Read By Type Response (0x09) len 22 Attribute data length: 21 Attribute data list: 1 entry Handle: 0x0020 Value: 022100291a177b73c83f80be457b7e335051d7 > ACL Data RX: Handle 64 flags 0x02 dlen 11 #57 [hci0] 47.543067 ATT: Read By Type Request (0x08) len 6 Handle range: 0x0021-0x0044 Attribute type: Characteristic (0x2803) > HCI Event: Number of Completed Packets (0x13) plen 5 #58 [hci0] 47.543270 Num handles: 1 Handle: 64 Count: 2 < ACL Data TX: Handle 64 flags 0x00 dlen 27 #59 [hci0] 47.543985 ATT: Read By Type Response (0x09) len 22 Attribute data length: 21 Attribute data list: 1 entry Handle: 0x0024 Value: 0225008b036b35b289b18a00416abc63de3177 > ACL Data RX: Handle 64 flags 0x02 dlen 11 #60 [hci0] 47.565566 ATT: Read By Type Request (0x08) len 6 Handle range: 0x0025-0x0044 Attribute type: Characteristic (0x2803) < ACL Data TX: Handle 64 flags 0x00 dlen 27 #61 [hci0] 47.566479 ATT: Read By Type Response (0x09) len 22 Attribute data length: 21 Attribute data list: 1 entry Handle: 0x0028 Value: 0229007ed517c16e8e9ebf2c4271d84fd333b8 > ACL Data RX: Handle 64 flags 0x02 dlen 11 #62 [hci0] 47.580590 ATT: Read By Type Request (0x08) len 6 Handle range: 0x0029-0x0044 Attribute type: Characteristic (0x2803) > HCI Event: Number of Completed Packets (0x13) plen 5 #63 [hci0] 47.580795 Num handles: 1 Handle: 64 Count: 2 < ACL Data TX: Handle 64 flags 0x00 dlen 27 #64 [hci0] 47.581477 ATT: Read By Type Response (0x09) len 22 Attribute data length: 21 Attribute data list: 1 entry Handle: 0x002c Value: 022d00573a4ce6a7d48da5fd450c8af214439c > ACL Data RX: Handle 64 flags 0x02 dlen 11 #65 [hci0] 47.595347 ATT: Read By Type Request (0x08) len 6 Handle range: 0x002d-0x0044 Attribute type: Characteristic (0x2803) < ACL Data TX: Handle 64 flags 0x00 dlen 27 #66 [hci0] 47.596245 ATT: Read By Type Response (0x09) len 22 Attribute data length: 21 Attribute data list: 1 entry Handle: 0x0030 Value: 023100fea27f3b7372dfb24a4b7975effd0e18 > ACL Data RX: Handle 64 flags 0x02 dlen 11 #67 [hci0] 47.610569 ATT: Read By Type Request (0x08) len 6 Handle range: 0x0031-0x0044 Attribute type: Characteristic (0x2803) > HCI Event: Number of Completed Packets (0x13) plen 5 #68 [hci0] 47.610764 Num handles: 1 Handle: 64 Count: 2 < ACL Data TX: Handle 64 flags 0x00 dlen 27 #69 [hci0] 47.611504 ATT: Read By Type Response (0x09) len 22 Attribute data length: 21 Attribute data list: 1 entry Handle: 0x0034 Value: 0235007502f647d3dfba847d4ea401def535d4 > ACL Data RX: Handle 64 flags 0x02 dlen 11 #70 [hci0] 47.625355 ATT: Read By Type Request (0x08) len 6 Handle range: 0x0035-0x0044 Attribute type: Characteristic (0x2803) < ACL Data TX: Handle 64 flags 0x00 dlen 27 #71 [hci0] 47.626248 ATT: Read By Type Response (0x09) len 22 Attribute data length: 21 Attribute data list: 1 entry Handle: 0x0038 Value: 12390058b8bd9a9b9bd2a6a24d85c9ca163bdf > ACL Data RX: Handle 64 flags 0x02 dlen 11 #72 [hci0] 47.640574 ATT: Read By Type Request (0x08) len 6 Handle range: 0x0039-0x0044 Attribute type: Characteristic (0x2803) > HCI Event: Number of Completed Packets (0x13) plen 5 #73 [hci0] 47.640762 Num handles: 1 Handle: 64 Count: 2 < ACL Data TX: Handle 64 flags 0x00 dlen 27 #74 [hci0] 47.641624 ATT: Read By Type Response (0x09) len 22 Attribute data length: 21 Attribute data list: 1 entry Handle: 0x003d Value: 023e00080627711617fab1c04e1101aa688139 > ACL Data RX: Handle 64 flags 0x02 dlen 11 #75 [hci0] 47.655387 ATT: Read By Type Request (0x08) len 6 Handle range: 0x003e-0x0044 Attribute type: Characteristic (0x2803) < ACL Data TX: Handle 64 flags 0x00 dlen 27 #76 [hci0] 47.656356 ATT: Read By Type Response (0x09) len 22 Attribute data length: 21 Attribute data list: 1 entry Handle: 0x0041 Value: 02420089d2b4a67defca9876448802d66b86e5 > ACL Data RX: Handle 64 flags 0x02 dlen 11 #77 [hci0] 47.670590 ATT: Read By Type Request (0x08) len 6 Handle range: 0x0042-0x0044 Attribute type: Characteristic (0x2803) > HCI Event: Number of Completed Packets (0x13) plen 5 #78 [hci0] 47.670784 Num handles: 1 Handle: 64 Count: 2 < ACL Data TX: Handle 64 flags 0x00 dlen 9 #79 [hci0] 47.671904 ATT: Error Response (0x01) len 4 Read By Type Request (0x08) Handle: 0x0042 Error: Attribute Not Found (0x0a) > ACL Data RX: Handle 64 flags 0x02 dlen 9 #80 [hci0] 47.685357 ATT: Find Information Request (0x04) len 4 Handle range: 0x001a-0x001b < ACL Data TX: Handle 64 flags 0x00 dlen 14 #81 [hci0] 47.686974 ATT: Find Information Response (0x05) len 9 Format: UUID-16 (0x01) Handle: 0x001a UUID: Characteristic User Description (0x2901) Handle: 0x001b UUID: Characteristic Format (0x2904) > ACL Data RX: Handle 64 flags 0x02 dlen 9 #82 [hci0] 47.700489 ATT: Find Information Request (0x04) len 4 Handle range: 0x001e-0x001f > HCI Event: Number of Completed Packets (0x13) plen 5 #83 [hci0] 47.700763 Num handles: 1 Handle: 64 Count: 2 < ACL Data TX: Handle 64 flags 0x00 dlen 14 #84 [hci0] 47.701673 ATT: Find Information Response (0x05) len 9 Format: UUID-16 (0x01) Handle: 0x001e UUID: Characteristic User Description (0x2901) Handle: 0x001f UUID: Characteristic Format (0x2904) > ACL Data RX: Handle 64 flags 0x02 dlen 9 #85 [hci0] 47.715355 ATT: Find Information Request (0x04) len 4 Handle range: 0x0022-0x0023 < ACL Data TX: Handle 64 flags 0x00 dlen 14 #86 [hci0] 47.716584 ATT: Find Information Response (0x05) len 9 Format: UUID-16 (0x01) Handle: 0x0022 UUID: Characteristic User Description (0x2901) Handle: 0x0023 UUID: Characteristic Format (0x2904) > ACL Data RX: Handle 64 flags 0x02 dlen 9 #87 [hci0] 47.730475 ATT: Find Information Request (0x04) len 4 Handle range: 0x0026-0x0027 > HCI Event: Number of Completed Packets (0x13) plen 5 #88 [hci0] 47.730756 Num handles: 1 Handle: 64 Count: 2 < ACL Data TX: Handle 64 flags 0x00 dlen 14 #89 [hci0] 47.731467 ATT: Find Information Response (0x05) len 9 Format: UUID-16 (0x01) Handle: 0x0026 UUID: Characteristic User Description (0x2901) Handle: 0x0027 UUID: Characteristic Format (0x2904) > ACL Data RX: Handle 64 flags 0x02 dlen 9 #90 [hci0] 47.745346 ATT: Find Information Request (0x04) len 4 Handle range: 0x002a-0x002b < ACL Data TX: Handle 64 flags 0x00 dlen 14 #91 [hci0] 47.746286 ATT: Find Information Response (0x05) len 9 Format: UUID-16 (0x01) Handle: 0x002a UUID: Characteristic User Description (0x2901) Handle: 0x002b UUID: Characteristic Format (0x2904) > ACL Data RX: Handle 64 flags 0x02 dlen 9 #92 [hci0] 47.767971 ATT: Find Information Request (0x04) len 4 Handle range: 0x002e-0x002f > HCI Event: Number of Completed Packets (0x13) plen 5 #93 [hci0] 47.768260 Num handles: 1 Handle: 64 Count: 2 < ACL Data TX: Handle 64 flags 0x00 dlen 14 #94 [hci0] 47.769201 ATT: Find Information Response (0x05) len 9 Format: UUID-16 (0x01) Handle: 0x002e UUID: Characteristic User Description (0x2901) Handle: 0x002f UUID: Characteristic Format (0x2904) > ACL Data RX: Handle 64 flags 0x02 dlen 9 #95 [hci0] 47.782864 ATT: Find Information Request (0x04) len 4 Handle range: 0x0032-0x0033 < ACL Data TX: Handle 64 flags 0x00 dlen 14 #96 [hci0] 47.784549 ATT: Find Information Response (0x05) len 9 Format: UUID-16 (0x01) Handle: 0x0032 UUID: Characteristic User Description (0x2901) Handle: 0x0033 UUID: Characteristic Format (0x2904) > ACL Data RX: Handle 64 flags 0x02 dlen 9 #97 [hci0] 47.797964 ATT: Find Information Request (0x04) len 4 Handle range: 0x0036-0x0037 > HCI Event: Number of Completed Packets (0x13) plen 5 #98 [hci0] 47.798261 Num handles: 1 Handle: 64 Count: 2 < ACL Data TX: Handle 64 flags 0x00 dlen 14 #99 [hci0] 47.798921 ATT: Find Information Response (0x05) len 9 Format: UUID-16 (0x01) Handle: 0x0036 UUID: Characteristic User Description (0x2901) Handle: 0x0037 UUID: Characteristic Format (0x2904) > ACL Data RX: Handle 64 flags 0x02 dlen 9 #100 [hci0] 47.812843 ATT: Find Information Request (0x04) len 4 Handle range: 0x003a-0x003c < ACL Data TX: Handle 64 flags 0x00 dlen 18 #101 [hci0] 47.813792 ATT: Find Information Response (0x05) len 13 Format: UUID-16 (0x01) Handle: 0x003a UUID: Client Characteristic Configuration (0x2902) Handle: 0x003b UUID: Characteristic User Description (0x2901) Handle: 0x003c UUID: Characteristic Format (0x2904) > ACL Data RX: Handle 64 flags 0x02 dlen 9 #102 [hci0] 47.827969 ATT: Find Information Request (0x04) len 4 Handle range: 0x003f-0x0040 > HCI Event: Number of Completed Packets (0x13) plen 5 #103 [hci0] 47.828258 Num handles: 1 Handle: 64 Count: 2 < ACL Data TX: Handle 64 flags 0x00 dlen 14 #104 [hci0] 47.828741 ATT: Find Information Response (0x05) len 9 Format: UUID-16 (0x01) Handle: 0x003f UUID: Characteristic User Description (0x2901) Handle: 0x0040 UUID: Characteristic Format (0x2904) > ACL Data RX: Handle 64 flags 0x02 dlen 9 #105 [hci0] 47.842867 ATT: Find Information Request (0x04) len 4 Handle range: 0x0043-0x0044 < ACL Data TX: Handle 64 flags 0x00 dlen 14 #106 [hci0] 47.843532 ATT: Find Information Response (0x05) len 9 Format: UUID-16 (0x01) Handle: 0x0043 UUID: Characteristic User Description (0x2901) Handle: 0x0044 UUID: Characteristic Format (0x2904) > HCI Event: Number of Completed Packets (0x13) plen 5 #107 [hci0] 47.865822 Num handles: 1 Handle: 64 Count: 2 > HCI Event: LE Meta Event (0x3e) plen 10 #108 [hci0] 47.985762 LE Connection Update Complete (0x03) Status: Success (0x00) Handle: 64 Connection interval: 45.00 msec (0x0024) Connection latency: 0 (0x0000) Supervision timeout: 5000 msec (0x01f4) < HCI Command: Disconnect (0x01|0x0006) plen 3 #109 [hci0] 50.516358 Handle: 64 Reason: Remote User Terminated Connection (0x13) > HCI Event: Command Status (0x0f) plen 4 #110 [hci0] 50.516711 Disconnect (0x01|0x0006) ncmd 1 Status: Success (0x00) > HCI Event: Disconnect Complete (0x05) plen 4 #111 [hci0] 50.641241 Status: Success (0x00) Handle: 64 Reason: Connection Terminated By Local Host (0x16) @ MGMT Event: Device Disconnected (0x000c) plen 8 {0x0001} [hci0] 50.641289 LE Address: 48:A5:28:E6:17:D1 (Resolvable) Reason: Connection terminated by local host (0x02) < HCI Command: LE Set Advertise Enable (0x08|0x000a) plen 1 #112 [hci0] 50.672496 Advertising: Enabled (0x01) > HCI Event: Command Complete (0x0e) plen 4 #113 [hci0] 50.672930 LE Set Advertise Enable (0x08|0x000a) ncmd 1 Status: Success (0x00)
The text was updated successfully, but these errors were encountered:
I am dealing with the same issue. The connection stays open for maybe 30 seconds, but will end even if a service is being used.
Sorry, something went wrong.
May I suggest to try @abandonware fork and report at: Relate-to: abandonware#17
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Hi I am are writing a service on a rpi CM4, the BLE connection drops after a set amount of time.
btmon log:
The text was updated successfully, but these errors were encountered: