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| 01:04.41 | DocScrutinizer | ~ask |
| 01:04.41 | apt | Questions in the channel should be specific, informative, complete, concise, and on-topic. Don't ask if you can ask a question first. Don't ask if a person is there; just ask what you intended to ask them. Better questions more frequently yield better answers. We are all here voluntarily or against our will. |
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| 08:26.16 | eliasp | hi |
| 08:27.21 | eliasp | I just decided to revive my old GTA02 for some OSM mapping... does anyone else use the GTA02 for mapping? which software and which distribution would you recommend? it seems, SHR is the most popular distribution, but development halted more or less more than a year ago... |
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| 09:05.15 | Wonka | eliasp: I used a quite old SHR with tangoGPS for mapping |
| 09:05.35 | eliasp | Wonka: ok, I'll give this a try |
| 09:05.57 | Wonka | eliasp: if I wanted to get back into mapping today, I'd probably try to get debian running with foxtrotGPS |
| 09:06.02 | eliasp | now just need to find out why my GTA02 doesn't boot anymore... can't even load the bootloader, it just stays black ;( |
| 09:06.10 | Wonka | ow. |
| 09:06.14 | eliasp | Wonka: oh, never looked at foxtrotGPS.... let's see |
| 09:06.28 | Wonka | eliasp: there even is a debian package |
| 09:06.53 | eliasp | my GTA02 was powered off for 18 months... probably the "full discharge" bug I ran into with my first GTA02 |
| 09:06.53 | Wonka | but be prepared to have a mintyboost or something like that... |
| 09:07.46 | eliasp | Wonka: yes, thought about building one anyways.... got a load of rechargable batteries, still need the USB connector... |
| 09:08.31 | Wonka | I'd like to have some small uC that does USB host... |
| 09:08.51 | Wonka | and allows the profile with the biggest possible power usage... |
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| 09:11.41 | eliasp | Wonka: hmm, that'd be cool... don't know, whether such a mintyboost-hack exists |
| 09:11.52 | Wonka | me neither |
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| 09:19.01 | eliasp | Wonka: it boots now, using the high-voltage charger of my HP Touchpad |
| 09:21.05 | aloniv | Hello. Does anyone know how to use mplayer with glamo via SSH? |
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| 09:24.56 | Wonka | eliasp: HV? what kind of HV? |
| 09:25.57 | eliasp | Wonka: it's an HP USB power supply with 5.3V 2.0A |
| 09:26.28 | eliasp | obviously a little more, than the regular USB power supply which I already had for my Pre3 as the Touchpad refuses to charge on the old power supply |
| 09:30.27 | eliasp | Wonka: hm, seems like there's no proper way to install Debian without already having SHR installed ;( |
| 09:31.36 | eliasp | ok, more or less any distribution will do... |
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| 11:14.48 | DocScrutinizer | eliasp: you stored it for 18 months with battery inserted? Then definitely your battery is dead |
| 11:15.36 | eliasp | DocScrutinizer: discharged: yes, charging again: yes... I run now on battery again after charging it for 2 hours... now just need to find out why QtMoko doesn't mount its rootfs |
| 11:15.37 | DocScrutinizer | as dead as it can get - you should try to find an electronics hacker who can swap the LiIon cell in the battery |
| 11:16.03 | DocScrutinizer | duh, battery survivied THAT? :-o |
| 11:16.06 | eliasp | yes ;) |
| 11:16.26 | DocScrutinizer | incredible, we built some really awesome hardware bacj when :-D |
| 11:16.48 | eliasp | hehe, yes you did! ;) |
| 11:17.31 | DocScrutinizer | nevertheless I guess your LiIon cell has lost lots of its original capacity |
| 11:17.52 | eliasp | probably yes... I'll test this the next days, in the worst case, I'll get a replacement |
| 11:18.24 | DocScrutinizer | luckily it's a smart battery so you can do a full learning cycle and then read out the real current capacity it provides |
| 11:18.30 | eliasp | I also have a charger which does a really great job in refreshing old batteries... but unfortunately it works only with AA and AAA |
| 11:18.46 | eliasp | DocScrutinizer: ah, great... is there a howto on doing this in the Wiki? |
| 11:18.56 | DocScrutinizer | you must not "refresh" LiIon cells! |
| 11:19.04 | DocScrutinizer | sure there is |
| 11:19.09 | DocScrutinizer | well kinda |
| 11:19.14 | eliasp | ok, don't know that much about Lilon specifics |
| 11:19.32 | DocScrutinizer | LiIon *hates* getting stored when discharged |
| 11:19.55 | DocScrutinizer | and there's no way to "condition" LiIon cells |
| 11:20.00 | eliasp | so best is charging it every now and then when storing it... |
| 11:20.00 | eliasp | ok |
| 11:20.09 | DocScrutinizer | yes, exactly |
| 11:20.38 | DocScrutinizer | that'S exactly what I usually do every 3..7 months and should do right now again |
| 11:21.22 | DocScrutinizer | http://wiki.openmoko.org/wiki/Battery_Questions_and_Answers |
| 11:21.27 | eliasp | DocScrutinizer: thx a lot |
| 11:21.35 | DocScrutinizer | and my script on people.openmoko.org |
| 11:22.22 | DocScrutinizer | I refined it for new kernels and more detailed output, and also it works on N900 too now - which probably doesn't matter much to you :-) |
| 11:22.58 | eliasp | DocScrutinizer: haven't got a N900, but a friend of mine surely loves this information... thank you ;) |
| 11:23.01 | DocScrutinizer | http://people.openmoko.org/joerg/battery/bq27k-detail2 |
| 11:23.42 | eliasp | DocScrutinizer: so if you're running a N900, you probably no a little more about the current status of Mer on GTA02, do you? |
| 11:23.57 | eliasp | will Mer be available for GTA02? |
| 11:25.22 | DocScrutinizer | I'm not sure if there's a decent wikipage describing how to do a proper full learning cycle: it's simply a full charge-dischargeTo0-charge cycle, and after that your capacity as shown in LastMeasuredDischarge of bq27k-detail should give you a somewhat accurate idea of state of your cell |
| 11:25.56 | DocScrutinizer | mer? probably not. Seems stskeeps is not even supporting N900 any more, for mer-reborn |
| 11:26.37 | DocScrutinizer | but I suggest you do a /join #mer and ask stskeeps directly ;-) |
| 11:28.22 | eliasp | DocScrutinizer: ok, will do this next night, thank you |
| 11:29.06 | DocScrutinizer | (LMD) the chip sometimes needs several learning cycles to adapt to a drastically changed capacity, so you should check (and store to a file) the results from bq27k-detail before and after learning cycle, and compare, and maybe you need to do another one and see if the last one and second last one differ |
| 11:29.17 | eliasp | ok |
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| 11:31.33 | DocScrutinizer | and a general advice: better you chage your battery prior to stowing away device for periods of weeks or even months, and also it's wise to remove the battery from the device (applies to *all* electronic units with battery power) |
| 11:31.46 | DocScrutinizer | charge* |
| 11:33.45 | eliasp | yes, in this case, the GTA02 just got more or less "lost" in my storage room... my 1st broke and when I got the replacement, I charged it once and forgot about it... now I "rediscovered" it while doing a X-Mas cleanup ;) |
| 11:36.42 | DocScrutinizer | anyway, if you ever find a gta02 battery's cell gone dead - it's probably wise to refurbish it with a new cell revamped from a Nokia BL-5C rather than discarding the smart bq27000 chip in BTA02 battery and go for a dumb BL-5C as replacement |
| 11:39.24 | DocScrutinizer | I guess there are "accumulator battery service center shops" in every but the smallest towns now, usually they service laptop batteries and powertools batteries, they should be well suited to do a GTA02-battery resurrection with a cell from a Nokia battery |
| 11:41.09 | DocScrutinizer | if you successfully built a AM-radio when you were 14 years old, you for sure can do this DIY |
| 11:42.24 | DocScrutinizer | it's basically not any more complex than repairing a headset cable where the plug broke, or sth like that. Basic soldering skills and a bit of talent with handling tools in general should suffice |
| 11:43.27 | eliasp | ok, then I'll surely get this done ;) |
| 11:44.04 | DocScrutinizer | just one absolutely important advice: never solder directly on the cell's body, rather cut the wires of donor battery's cell some 10..20mm away from cell's body |
| 11:44.58 | eliasp | sure, I wouldn't want to expose the battery to the heat of the soldering iron ;) |
| 11:45.13 | DocScrutinizer | the cell NEVER must heat up, it will brak and even may "explode" when heated to >80°C, even when only heated on a spot |
| 11:45.32 | DocScrutinizer | break* |
| 11:46.54 | DocScrutinizer | doing the operation when cell is discharged is a wise precautionary measure |
| 11:48.03 | DocScrutinizer | where "discharged" means cell voltage <3.7V - never completely discharge a LiIon cell to 0V, it may "explode" |
| 11:49.51 | DocScrutinizer | that's why every battery has a protection circuit that stops discharge @ 3 or maybe 2.5V |
| 11:50.20 | eliasp | ok |
| 11:50.21 | eliasp | I've probably just learned more about (dis)charging batteries than in my whole life before ;9 |
| 11:50.42 | DocScrutinizer | well, every smartphone battery. Not all many 16450 have such a circuit |
| 11:51.01 | DocScrutinizer | :-D |
| 11:51.23 | DocScrutinizer | I'm always pleased to hear that, it makes me feel less useless |
| 11:54.36 | eliasp | how do I flash the uBoot env using this settings? http://bsdmn.com/openmoko/uboot/config/environment.in simply by using dfu-util and writing to u-boot_env? |
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| 12:31.41 | DocScrutinizer | uBoot env are set and stored via uBoot console. You have to use a serial terminal program like minicom to access uBoot console via ttyUSB |
| 12:32.17 | PaulFertser | DocScrutinizer: i think it's possible to flash the whole env via DFU too. |
| 12:32.54 | DocScrutinizer | yep, should be possible, but I wouldn't know how to prepare an image with custom env vars set |
| 12:33.27 | DocScrutinizer | unless you got a master mtdpart to copy |
| 12:33.55 | DocScrutinizer | maybe there are tools to set env vars "offline" |
| 12:34.11 | DocScrutinizer | PaulFertser: hi btw :-D |
| 12:37.47 | PaulFertser | DocScrutinizer: hey :) |
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| 13:29.20 | eliasp | PaulFertser: DocScrutinizer: ok, thx... I knew how to use the serial uBoot console, but thought there probably was an easier/more straightforward way... doing it now manually on the serial console |
| 13:32.21 | PaulFertser | eliasp: i personally prefer Qi |
| 13:33.32 | eliasp | me too, but there was a ML thread referring to Qtopia/Qi boot issues, which suggested, that Qi didn't successfull boot because it read some env-vars from the previous uBoot env-vars |
| 13:33.41 | eliasp | so I wanted to reset uBoot completely to the default state |
| 13:43.38 | eliasp | using now another Qi version and it seems to work now... |
| 13:46.46 | PaulFertser | eliasp: Qi doesn't ever read any env veriables. |
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| 13:47.28 | eliasp | ok |
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| 22:50.55 | *** topic/#openmoko is Openmoko Mobile Phone Hardware users | WikiReader channel #openmoko-wikireader | Developers channel #openmoko-cdevel | German folks channel #openmoko-de | New Users read http://wiki.openmoko.org + http://www.catb.org/~esr/faqs/smart-questions.html | logs http://is.gd/fiQwM | distro-specific channels: #qtmoko, #android-on-freerunner, #openmoko-debian |
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