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| 00:31.06 | Oksana | Question: Is 20AUD per item a good price for new Nokia N900 LCD? |
| 00:31.46 | Oksana | I think it is because supplier from China suggested around 20USD per item - and USD is larger than AUD. |
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| 02:14.56 | Oksana | Anyway, if somebody needs a replacement LCD for Nokia N900, ask me - I will soon (within week) have five of them, and can send any of them from Australia to wherever, for cost of 22AUD+shipping (with tracking would be preferable for peace of mind) |
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| 07:22.03 | brolin_empey | War of mind? |
| 07:23.09 | brolin_empey | Reportely the LCD used by the N900 is from Sony, I do not remember the model name. |
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| 08:23.51 | brolin_empey | https://lh3.googleusercontent.com/-xhbX3bJSpcg/XErHD9VpOHI/AAAAAAAABK0/6AiSb198GD4RumbIMm17FLVqoI2FMg2BACL0BGAYYCw/h139/2019-01-25.png |
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| 20:41.14 | Wikiwide | While new LCD for Nokia N900 is possible to purchase, just costly... Digitizer isn't being made any more, going by replies of aliexpress sellers. |
| 20:42.27 | Wikiwide | I managed to get four of them (the last of stock) for about 16EUR from a random .uk website. Will see when they arrive. |
| 20:42.53 | Wikiwide | In short, screen protectors are essential. |
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| 23:02.54 | Enrico_Menotti | Hello, today I gathered logs of the bluetooth connection between my N900 and my BMW. Nothing relevant from hcidump, but I found the following in /var/log/syslog: |
| 23:02.54 | Enrico_Menotti | https://pastebin.com/v3fDiFen |
| 23:05.33 | sicelo | i wonder if you could try pairing your linux laptop with the bmw |
| 23:05.51 | Enrico_Menotti | May it be that the 4 lines saying "Badly format(t)ed (sic, typo?) or unrecognized command" are responsible for the BMW system to hang? I think it should not hang just for this, but you know... |
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| 23:07.41 | Enrico_Menotti | sicelo No linux laptop here... I have my Mac. I was using Devuan (and Debian) on an old laptop, but recently this old guy destroyed a USB stick (ruined the file allocation table), so it's going to rest in peace in the future. |
| 23:07.42 | sicelo | i doubt. the way i see it, it's your car that's sending those things to the n900, and the n900 doesn't like them. so at worst, it is the n900 that should reboot |
| 23:07.45 | sicelo | my guess |
| 23:08.28 | Enrico_Menotti | I have an intention to buy a tower computer for playing with Linux, but in the last month I've being doing other things. |
| 23:09.23 | Enrico_Menotti | Yes, it's the car sending, but I was wondering whether it could be that the car sits waiting for an answer that never comes. |
| 23:10.46 | Enrico_Menotti | I investigated a bit about those AT commands, and found that they are (if I'm right) GSM-related. The second (AT+CPBS), in particular, is related to exchange of the phone book. |
| 23:11.00 | sicelo | why reboot then .. rather disconnect the 'incompatible' device :) |
| 23:11.21 | Enrico_Menotti | I found the following wiki page in this respect: |
| 23:11.22 | Enrico_Menotti | https://wiki.maemo.org/Bluetooth_PBAP |
| 23:11.31 | sicelo | yes, you're correct about the AT commands, and N900 does not support CPBS out of the box via BT |
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| 23:13.09 | Enrico_Menotti | I agree, should not reboot. Also, from the setting screen (on the car's display) I believe that the car understands that the N900 exposes only phone services, not data transfer. If this is true, why the car asks for the phone book anyway, at the end of the call? |
| 23:14.29 | sicelo | 08:04 < sicelo> i was going to add, but i see it's hinted in the last comment of that bug, that while N900 definitely has issues, it doesn't mean the BMW software is 'innocent' either << this |
| 23:14.49 | sicelo | 09:31 < freemangordon> no, it is BMW (or rather the company that made multimedia part) to blame << |
| 23:14.51 | Enrico_Menotti | And while I agree that the BMW software seems to be quite fragile, there's no option for me to correct any bug on the car (at least for now): no update on the BMW site for my car. |
| 23:15.00 | sicelo | trust me on that one, BT in BMW multimedia is buggy |
| 23:15.08 | sicelo | >> |
| 23:16.03 | Enrico_Menotti | Yes, I agree, but since my gf's smartphone works, I'd like to understand what's the big difference between the Wiko Jerry and the N900, that induces the BMW multimedia reboot. |
| 23:16.05 | sicelo | have you tried the phonebook tweaks? |
| 23:16.24 | Enrico_Menotti | You mean the packages on https://wiki.maemo.org/Bluetooth_PBAP? |
| 23:16.30 | sicelo | yes |
| 23:17.17 | Enrico_Menotti | Not yet, I decided to write here first to see whether anybody may shred some light on the problem. |
| 23:17.57 | Enrico_Menotti | In particular, on that wiki page there's a sentence that is not clear to me. |
| 23:18.16 | Enrico_Menotti | There is a TODO to write support for AT commands but don't hold your breath. |
| 23:18.27 | Enrico_Menotti | (See the Disclaimer, italics.) |
| 23:18.42 | sicelo | :) |
| 23:19.39 | Enrico_Menotti | I mean, does this mean that the packages reported in the wiki page don't do anything good for AT commands? |
| 23:20.00 | Enrico_Menotti | So I should not expect to remove the errors found in the logs just with those packages? |
| 23:20.06 | sicelo | yes |
| 23:21.23 | Enrico_Menotti | And so I was right, probably those tweaks won't solve anything. |
| 23:21.32 | sicelo | i was about to write that - when i think about your problme, i don't see that diagnosing from N900 side will help much, since it has no way to know wha the BMW is doing. If you had a way to debug from BMW side |
| 23:21.47 | sicelo | my 2 cents |
| 23:22.26 | Enrico_Menotti | That's a big problem. |
| 23:23.08 | Enrico_Menotti | At the moment I can't do more than listening to what the BMW has to say. No way to get inside its brain to know also what it thinks. |
| 23:24.00 | Enrico_Menotti | Or better, I know how to start getting inside, but it promises to be a very long journey, and I don't want to run the risk to brick my car... |
| 23:25.08 | Enrico_Menotti | I've been reading a lot about the BMW electronics a few months ago. |
| 23:26.31 | Enrico_Menotti | My car is exposing a Ethernet connection, which is accessible from the OBD2 socket below the steering wheel, on the left. |
| 23:28.27 | Enrico_Menotti | I also bought the cable for bringing out the connection to a standard Ethernet plug (RJ45, right?); inside the OBD2 plug there's also a resistor shorting two pins, which is needed for activating the Ethernet connection. |
| 23:29.28 | Enrico_Menotti | But never used the cable yet. The standard way to proceed would be to use the original BMW coding program (which I also found over the net), which runs on Windows. |
| 23:29.56 | sicelo | CAN bus, i think? |
| 23:30.07 | Enrico_Menotti | But this does not provide any console access to the system, in order to be able to debug. |
| 23:30.46 | Enrico_Menotti | Don't know right now. I remember it's not a standard bus in mobile electronics. |
| 23:31.11 | sicelo | i have no idea about those kinds of things myself - my car is not fancy at ll |
| 23:35.31 | Enrico_Menotti | Ok, I found the document about the general vehicle electronics. Internal buses are CAN, various versions. There's also a D-CAN exposed at the OBD interface, but if I recall right this is only used for vehicle diagnostics. The only way to get really inside is to go through the Ethernet connection. |
| 23:38.19 | sicelo | i feel your pain :( |
| 23:42.50 | Enrico_Menotti | I also found some slides from some workshop by BMW. The protocol used for the communication is SOME/IP-SD. |
| 23:43.29 | Enrico_Menotti | I stopped here, maybe in the future I'll investigate more about my car. |
| 23:44.47 | Enrico_Menotti | For now I was just hoping to understand what the N900 is not doing properly, compared to my gf's smartphone, and try to correct the N900 behavior to avoid triggering the BMW multimedia hang and reboot (which seems to me clearly a bug.) |
| 23:45.06 | Enrico_Menotti | In other words, leaving the bug there but getting around it. |
| 23:48.39 | Enrico_Menotti | By reading around, I see the nickname of the guy who wrote the wiki page: luf. From the wiki, I tried #maemo-ssu, but he's not there. Do you know who he is? On the thread about the subject, he speaks about a git repository, but I haven't been able to find it. |
| 23:50.12 | sicelo | please report bac on your eventual findings. no, i never got to know him either |
| 23:50.19 | sicelo | *back |
| 23:50.58 | sicelo | how about looking in the pacake's details? there'll usually be at least an email address ... |
| 23:51.05 | Enrico_Menotti | Another guy I found in relation to bluetooth on the N900 (but it seems he worked on mainstreaming the driver, not on Maemo, while I'm not sure of this) is Pavel Machek. I found his website and there's an email address, does it make sense to contact him? |
| 23:51.07 | sicelo | *package |
| 23:51.31 | Enrico_Menotti | Oh yes, good idea. |
| 23:51.58 | sicelo | i doubt Pavel will help you with that |
