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| 15:40.50 | schneider | so ... |
| 15:41.05 | schneider | i've turned on debug prints in the kernel |
| 15:41.24 | schneider | the error message hints that the SMP component is not initialized |
| 15:41.37 | schneider | which points to smp_register not being called |
| 15:42.17 | schneider | which in turn is called by hci_power_on() and hci_dev_do_open() |
| 15:42.31 | schneider | i couldn't find any of the two in the logs |
| 15:43.10 | schneider | so i tried to run "power off" and "power on" in bluetoothctl |
| 15:44.47 | schneider | and sure enough: now the calls are there and smp_conn_security() which was printing "security requested but not available" does not fail anymore |
| 15:44.55 | schneider | but, now i have a new error message... |
| 15:45.13 | schneider | Bluetooth: hci0: unexpected SMP command 0x0b from ca:4d:10:dd:ef:53 |
| 15:45.17 | schneider | great :/ |
| 15:48.39 | schneider | https://bugzilla.kernel.org/show_bug.cgi?id=104011#c5 |
| 15:50.02 | schneider | https://bugzilla.kernel.org/show_bug.cgi?id=104011#c13 |
| 15:50.13 | schneider | these point directly to the initial issue |
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| 16:08.53 | schneider | pairing seems to continue though. i see calls to smp_cmd_pairing_confirm() and smp_cmd_pairing_random() |
| 16:09.19 | schneider | but bluetoothctl does not ask me to confirm the value |
| 16:09.28 | schneider | and after 30 seconds the connection times out |
| 16:12.39 | schneider | uh, trying a second time it worked |
| 16:59.13 | schneider | oh PEBCAC |
| 16:59.34 | schneider | the bluetoothctl has a "race condition" |
| 16:59.57 | schneider | and sometimes it asks for the passkey confirmation before printing out all detected characteristics |
| 17:00.24 | schneider | which makes the question scroll out of the window in an instant |
| 17:15.21 | Stormwind_mobile | Yay |
| 17:16.14 | Stormwind_mobile | "We tried 5 times and it worked twice, ship it!" |
| 17:39.04 | schneider | essentially calling "systemctl restart bluetooth.service" after boot also solves the issue... |
| 17:39.34 | schneider | this is all kinda sad... |
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| 19:51.17 | schneider | Rahix: is there a reason why we never implemented the machine module? |
| 19:53.03 | rahix[m] | You mean micropython's machine module? |
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| 20:36.00 | schneider | yes |
| 20:36.16 | schneider | i'm looking at implementing the deepsleep function |
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| 22:13.51 | rahix[m] | from my side the only reason is that we never got around to doing it ... I don't remember any big blockers |
| 22:17.53 | schneider | ok |
| 22:18.46 | schneider | because i've been experimenting with the low power stuff (to reduce self heating and maybe produce a battery powered sensor which can last for weeks/months) |
| 22:23.30 | schneider | and the easiest way i could think of is to boot up, take a measurement, stay available for a few seconds, go to sleep with the RTC as wakeup source enabled and wake up after a few minutes |
| 22:24.38 | schneider | i've even managed to get the thing sleeping at something like 300 uA without having to turn of voltages or un-initialize IOs |
| 22:24.44 | schneider | but BLE fails after doing that |
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| 23:28.46 | Stormwind_mobile | Are there new features regarding waking up from RTC alarms? |