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| 00:50.23 | robbiethe1st | OK, guys, I need some help |
| 00:50.52 | robbiethe1st | I'm trying to use my USB barcode scanner with my N900. I've got HEN etc. |
| 00:51.27 | robbiethe1st | I've been able to get it to connect, and when I scan a barcode, things /sort of/ work... but only letters, no numbers. (keymapping issue?) |
| 00:51.40 | robbiethe1st | When plugged into my Debian PC, works fine. |
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| 01:45.55 | DocScrutinizer05 | ugh |
| 01:46.25 | DocScrutinizer05 | yeah, so it probably emulates a kbd, and your mapping is incorrect for the keyboard it emulates |
| 01:46.37 | DocScrutinizer05 | robbiethe1st: ^^^ |
| 01:47.06 | DocScrutinizer05 | check syslog or lsusb how it registers to system |
| 01:49.09 | robbiethe1st | I know it emulates a kbd |
| 01:49.17 | DocScrutinizer05 | would make quite a lot of sense. Try whatever apps are available to switch to external USB-attached kbd |
| 01:49.47 | DocScrutinizer05 | I bet it emulates a standard 104-key PC USB kbd |
| 01:50.22 | DocScrutinizer05 | so check/google for HEN+keyboard+maemo |
| 01:50.41 | DocScrutinizer05 | and see how to conveniently switch to support for 104key |
| 01:51.29 | robbiethe1st | extkbd. Lets see |
| 01:51.55 | DocScrutinizer05 | :-) |
| 01:55.10 | robbiethe1st | Good to go |
| 01:55.49 | robbiethe1st | yay |
| 02:05.28 | DocScrutinizer05 | :-) |
| 02:07.13 | DocScrutinizer05 | robbiethe1st: you might want to disable the external 2keyboard" barcode reader for X11 and directly read from it in your barcode reader app |
| 02:07.46 | robbiethe1st | Actually, I want to paste the codes into VIM... save em to a text file |
| 02:07.55 | robbiethe1st | seems to work |
| 02:07.58 | DocScrutinizer05 | otherwise input from barcode rader might end up in arbitrary apps running on N900, whatever just has focus |
| 02:08.11 | robbiethe1st | Yup |
| 02:08.17 | DocScrutinizer05 | ooh, VIM. Then this is exactly what you want |
| 02:08.46 | robbiethe1st | Yup. Plan is to save it to text, input a few hundred codes, then copy that file onto a PC for further processing |
| 02:08.58 | DocScrutinizer05 | :nod: |
| 02:25.58 | DocScrutinizer05 | wonders if robbiethe1st just uses VIM because it seems like the easiest way. While maybe a 'readmybarcode >>mybarcodes.txt' would do same thing with better adapted function specs |
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| 02:26.43 | robbiethe1st | Maby. Though I can't imagine anything easier than open VIM, put in insert mode, and scan codes. |
| 02:27.05 | robbiethe1st | The scanner adds a \n after each code, so... |
| 02:27.56 | r00t|eeepc | damn, my scanner does not send a newline... it's damn annoying... |
| 02:28.12 | robbiethe1st | This one's the cheapest USB one I could find on ebay |
| 02:28.16 | robbiethe1st | Literally. |
| 02:28.48 | r00t|eeepc | mine is a used one that cost like $700 back when it was now ;) |
| 02:29.25 | r00t|eeepc | nice part is it has a motorized scanner that detects the code in any orientation, and ps/2 and rs232 output |
| 02:29.44 | r00t|eeepc | (probably could be configured to add a newline if i had the manual) |
| 02:30.18 | robbiethe1st | This is a cheap one. It just flashes a laser back and forth, and scans so long as you are somewhere near horizontal |
| 02:30.46 | r00t|eeepc | i'd use a serial one and hook up a bluetooth module |
| 02:30.56 | r00t|eeepc | much more convenient |
| 02:31.11 | r00t|eeepc | also, mind your poor little micro-usb port |
| 02:31.20 | robbiethe1st | Why? Ebay has bluetooth ones easily. |
| 02:31.35 | robbiethe1st | also I tried one we had at work, and couldn't get it to pair |
| 02:31.51 | r00t|eeepc | but the bluetooth module is $7 or so... while a scanner with bluetooth is... $50+? |
| 02:31.55 | robbiethe1st | But I also didn't look for any special software |
| 02:32.37 | r00t|eeepc | a bluetooth barcode reader should be either rfcomm or HID, no special software needed |
| 02:32.56 | robbiethe1st | It just wouldn't pair 'pairing error' |
| 02:33.13 | r00t|eeepc | btw, why not use camera + image processing? |
| 02:33.20 | r00t|eeepc | no extra hw needed |
| 02:35.26 | robbiethe1st | I'll try it with mbarcode, but for some reason I doubt it'll paste the code to a text file |
| 02:35.48 | r00t|eeepc | we call it "open source" |
| 02:37.46 | r00t|eeepc | personally i found mbarcode completely useless... it's so slow to start that in the time it takes you could just type in the contend of the code a few times... |
| 02:37.57 | r00t|eeepc | *contents |
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| 02:38.16 | robbiethe1st | what else is there? |
| 02:38.31 | r00t|eeepc | i wonder how they managed to make it perform so badly... it's not written in java or anything |
| 02:39.01 | r00t|eeepc | i dunno... i'd just go for v4l grabber + image processing |
| 02:39.19 | robbiethe1st | lots of work |
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| 02:39.46 | robbiethe1st | I mean, I've now got a good, easy solution |
| 02:39.59 | r00t|eeepc | except it doesn't work ;) |
| 02:40.20 | robbiethe1st | ? |
| 02:40.33 | robbiethe1st | The only problem with it was the keymap |
| 02:40.36 | robbiethe1st | extkbd did. |
| 02:40.45 | r00t|eeepc | ah |
| 02:41.05 | robbiethe1st | Now, all I need to do is plug it in, run HEN, start VIM, press i, and just start scanning codes. |
| 02:41.30 | r00t|eeepc | i still wonder how long the micro-usb port will last in mobile usage like that, if you use it regularly |
| 02:43.15 | robbiethe1st | This is a one time thing. But I am slightly worried about it; one of these days, I'll open er up and solder it in place |
| 02:44.04 | robbiethe1st | Actually, I'd be more worried about the times I've dropped my n900 while plugged in... thing hanging on the cord isn't so good |
| 02:44.20 | robbiethe1st | Also, mind, I've already lost one N900 a couple of years ago. Broken USB port |
| 02:44.58 | r00t|eeepc | i don't think hanging on the cord is a problem at all, but hitting the ground with the plugged-in connector first |
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| 02:46.05 | robbiethe1st | heh |
| 02:46.31 | r00t|eeepc | i had the port break in one... which was no problem (used external charger)... until it broke and needed to be re-flashed |
| 02:46.51 | robbiethe1st | You didn't have backupmenu, did you? |
| 02:46.54 | r00t|eeepc | in my current one the port work, but not 100% reliable... |
| 02:47.18 | r00t|eeepc | backupmenu is a useless piece of crap... beacuse it needss the rootfs to be still intact |
| 02:47.42 | robbiethe1st | Partially intact, mind you |
| 02:48.02 | robbiethe1st | But I've not seen rootfs corruption |
| 02:48.18 | robbiethe1st | Optfs corruption, quite a bit |
| 02:48.44 | r00t|eeepc | well, it just froze on the nokia logo screen, where it would normally display the kernel version (dev mode enabled) |
| 02:48.56 | robbiethe1st | ...Though, actually, more that I think about it, even I've relied on flashing a rootfs image a few times |
| 02:49.53 | robbiethe1st | Actually, have you looked at re-soldering the port? |
| 02:51.03 | r00t|eeepc | yes, and in the process ripped off two of the five solder pads |
| 02:51.15 | r00t|eeepc | i also tried on the debug connector with no luck |
| 02:51.35 | robbiethe1st | I've done the same |
| 02:51.44 | robbiethe1st | I'm going to have to try again, one of these days |
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| 02:52.43 | r00t|eeepc | i have previously re-soldered the cardbus/pcmcia slot on a notebook... that has quire a few more contacts, but at a less insane pitch, and with more room to work in |
| 02:53.16 | robbiethe1st | I'm thinking next time to try hot-air-rework on it, after heating the whole thing up a bit |
| 02:53.19 | r00t|eeepc | (interestingly the issue was the exact same... bad design with too much stress on the solder joints) |
| 02:53.48 | robbiethe1st | Of course, if I /do/ get a working USB port... I'm going to solder the top of the port to the metal cans on each side |
| 02:53.53 | robbiethe1st | Because |
| 02:54.42 | r00t|eeepc | don't assume soldering like that is easy... you need to apply a LOT of heat to the connector shield to solder it, which is likely to juse cause more damage |
| 02:54.58 | r00t|eeepc | *just |
| 02:56.30 | DocScrutinizer05 | you're soldering what? the top to the metal cans? |
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| 02:57.17 | r00t|eeepc | i guess he means the connector shield to the shields on the pcb |
| 02:57.20 | DocScrutinizer05 | soldering USB like ~usbfix needs a 60W or better 100W soldering iron |
| 02:57.47 | robbiethe1st | Seriously |
| 02:58.13 | robbiethe1st | I've got a temp-controlled 60w + hot air rework station, and last I tried, I just managed to get cold joints |
| 02:58.26 | robbiethe1st | things just solidified as soon as they touched the ground pad |
| 02:58.44 | DocScrutinizer05 | heating up the ground pads is not easy |
| 02:58.51 | DocScrutinizer05 | that's why you need the 100W |
| 02:59.48 | DocScrutinizer05 | alternatively you use insanely high temperature, so copper of groundplane heats up faster locally than it can dissipate the heat to the wide area |
| 03:00.08 | robbiethe1st | My thought is perhaps heating the entire board up to say 120F, slowly... let it sit there for a while, then shield the chips around it and just hot-air-melt it |
| 03:00.16 | DocScrutinizer05 | sure heating up the whole thing to ~80°C before you start will help a lot |
| 03:01.19 | DocScrutinizer05 | hot air is fine for the tiny electrical contacts, but for the huge groundplane stuff you want a old fashion monster iron |
| 03:01.41 | robbiethe1st | I may have to grind myself a custom tip... my thin one couldn't get enough heat to it |
| 03:01.48 | robbiethe1st | see if I can come up with something |
| 03:01.52 | DocScrutinizer05 | yes |
| 03:03.53 | DocScrutinizer05 | I'd use that one if I still had it: http://www.lidl.de/de/Loetwerkzeuge/PARKSIDE-Loetpistole-PLP-100-A1 |
| 03:04.06 | DocScrutinizer05 | ideal tip shape, ideal power |
| 03:04.21 | robbiethe1st | Or, maby I'll just get a NeoN900 |
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| 03:04.24 | robbiethe1st | board for it |
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| 03:35.14 | DocScrutinizer05 | good plan :-) |
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| 04:07.57 | Tekk_ | anyone have issues with mumble not working? installing in app manager gives a dep failure because it wants like 1.2.4 when the repo has 1.2.6 |
| 04:08.58 | Tekk_ | and if you decide to be naughty and just install it with apt-get, it fails to actually pick up anything audio related. It sees all the devices and everything fine but there's o output or input (presumably the mumble-11x package does something to fix this) |
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| 04:48.31 | kwtm2 | Is the RX-51 the hardware part of the N900? (reading about the Neo900) |
| 04:51.45 | robbiethe1st | Yeah |
| 04:51.53 | robbiethe1st | RX-51 is the model |
| 04:58.16 | kwtm2 | wow, there are quite a few challenges to making the Neo900 a reality. |
| 04:58.48 | kwtm2 | (just finished reading the "feasibility study"). I hope we find a big enough market for it. |
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| 05:06.48 | Tekk_ | kwtm2: link? |
| 05:09.10 | kwtm2 | Tekk_: http://projects.goldelico.com/p/neo900/downloads/get/neo900-feasibility.pdf |
| 05:09.19 | kwtm2 | Tekk_: That's from http://neo900.org/specs |
| 05:10.13 | Tekk_ | yeah, found it on the site |
| 05:12.44 | Tekk_ | hm, noticed an nfc in the best case specs. does that mean other half like functionality in that case? |
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| 11:58.52 | DocScrutinizer05 | that's up to you to switch your profile or wallpaper or theme when NFC detects a certain tag |
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| 12:45.36 | kerio | DocScrutinizer05: ooh, how will the neo900 support battery hotswap? |
| 12:47.49 | kerio | will that also mean that we can have pure-hardware battery charging? |
| 12:59.58 | DocScrutinizer05 | kerio: that's pretty much unrelated |
| 13:00.19 | kerio | mh, fair enough |
| 13:02.17 | DocScrutinizer05 | hotswap basically works like: connect all dispensable consumers directly to battery, buffer the rest from a huge buffer capacitor that we charge to a multiple of needed voltage and use as some sort of UPS |
| 13:03.31 | DocScrutinizer05 | e.g. modem has 3 power supply pins, of which one is low-power and can keep the modem alive for a few secons from a pretty small buffer cap |
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| 13:03.43 | kerio | i see |
| 13:03.49 | kerio | that's neat |
| 13:03.57 | kerio | so you'll still have to be quick with the hotswap |
| 13:04.00 | DocScrutinizer05 | of course TX will fail and modem needs to resume after that |
| 13:04.06 | DocScrutinizer05 | yes |
| 13:04.31 | DocScrutinizer05 | that's the point about "ultrafast batteryswap procedure" |
| 13:07.28 | DocScrutinizer05 | http://www.youtube.com/watch?v=1ta7Mh9a_y8 |
| 13:10.32 | DocScrutinizer05 | the charging is planned to be exactly like TI reference in e.g. beagleboard, i.e. based on twl4030. Evaluation pending, we don't want to run into a true deadlock where device can't charge when battery deep discharged |
| 13:10.53 | DocScrutinizer05 | in GTA04 it allegedly works flawlessly |
| 13:11.47 | DocScrutinizer05 | I'm still not happy with the GTA04 circuitry since it uses a linear regulator which has a pretty poor efficiency |
| 13:11.48 | kerio | like the n900 ahem ahema |
| 13:12.44 | DocScrutinizer05 | what's wrong with Neo900? it charges from almost all situations except broken rootfs and already defect EOL battery |
| 13:13.14 | DocScrutinizer05 | s/Neo9/N9/ |
| 13:14.44 | DocScrutinizer05 | it's a tad unfortunate that you will discharge your battery by bootlooping when rootfs broken, and you can't restore rootfs via simple normal flashing when battery is too low |
| 13:16.12 | DocScrutinizer05 | you can recover even from that with rescueOS and similar RAM-based charger software |
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| 13:18.17 | DocScrutinizer05 | Neo900 might not support classical flashing at all, and instead boot from uSD, so even less of a recovery hassle even when your NAND based rootfs is broken. You simply insert a uSD that has a sane working rootfs and you're good to go for charging and for flashing NAND |
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| 14:10.37 | chem|st | script: read backscroll^^ |
| 14:20.53 | DocScrutinizer05 | ??? |
| 14:21.12 | DocScrutinizer05 | script didn't say anything the last few days, it seems |
| 14:25.22 | DocScrutinizer05 | chem|st: I'm not able to join meeting tonight |
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| 14:38.01 | chem|st | DocScrutinizer05: noted |
| 14:38.41 | chem|st | I am talking with him in another channel about neo900 |
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| 16:34.21 | SAiF | huh? where is the crontab? |
| 16:37.38 | MMN-o | Have you installed a cron daemon? |
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| 16:42.20 | SAiF | do you have to? |
| 16:42.31 | SAiF | I cant find any.. |
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| 18:28.31 | joga | well, opened up the n900 with broken usb and the port was just loose there, took a couple of pics http://joga.daug.net/n900-usb/ |
| 18:29.07 | joga | (of pads on pcb and the connector itself) |
| 18:29.39 | joga | I guess I at least need to get a spare port, only seem to have spare miniusbs now |
| 18:31.02 | joga | also need to get some compressed air... |
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| 19:11.06 | Sicelo | SAiF: alarmed might just have all you need.. unless you have 'special' need |
| 19:11.47 | DocScrutinizer05 | right, since there is no cron on maemo |
| 19:12.06 | DocScrutinizer05 | alarmd is as close as it gets to crond |
| 19:13.22 | DocScrutinizer05 | and you could use alarmclient to manage alarmd "crontabs", but you don't want to go that bumpy road. Rather use alarmed |
| 19:14.12 | DocScrutinizer05 | (somebody should port alarmed to default PC linux, as a decent frontend to cron) |
| 19:15.46 | DocScrutinizer05 | joga: why? all looks pretty "easy", just solder port to PCB again |
| 19:16.07 | DocScrutinizer05 | looks like you were extremely "lucky" with your usb breakage |
| 19:16.17 | joga | yeah considering the pads are ok |
| 19:16.28 | joga | it just looks a bit filthy but haven't cleaned it up really yet |
| 19:16.39 | DocScrutinizer05 | that's the point |
| 19:17.05 | DocScrutinizer05 | first of all you need to clean port and PCB pads with solder iron and solder wick |
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| 19:17.22 | DocScrutinizer05 | then go for: |
| 19:17.23 | joga | yeah, got those |
| 19:17.25 | DocScrutinizer05 | ~usbfix |
| 19:17.25 | infobot | usbfix is probably http://talk.maemo.org/showthread.php?t=75920 - and **NEVER** use epoxy (unless you want to seal your device for underwater) |
| 19:17.50 | joga | ye, glanced at that, I guess I'll do the scrape thing |
| 19:18.15 | joga | after I get over this flu I'll try |
| 19:18.16 | DocScrutinizer05 | you can remove/cut/bend the "roof" over contacts of port, to better reach them |
| 19:19.09 | DocScrutinizer05 | nevermind, not really |
| 19:19.48 | joga | the spot looked a bit tight but I guess others have managed to do it nevertheless :) |
| 19:19.50 | DocScrutinizer05 | the mech fix pads *under* the port are dead, bit that's not relevant |
| 19:20.08 | DocScrutinizer05 | yeah, hot air might help |
| 19:22.00 | DocScrutinizer05 | anyway just make sure you wetted pads and contacts properly with solder, and applied SMD(!)-flux to both. Then place USB in correct location and fix (sticky tape or tiny solder blob on one side) |
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| 19:22.40 | DocScrutinizer05 | then either hot air or iron with thin tip, and just heat up the 5 contacts |
| 19:23.05 | DocScrutinizer05 | then fix port thoroughly according to ~usbfix |
| 19:24.38 | joga | DocScrutinizer05, thanks |
| 19:24.40 | DocScrutinizer05 | if nothing of all that works for you - use 10mm thin wires to connect port to pads. Bend wires up to form inverted U while pushing port back into correct location, before fixing it on both sides |
| 19:25.43 | DocScrutinizer05 | this is a botch, but should work "good enough" |
| 19:25.53 | joga | yeah |
| 19:26.02 | DocScrutinizer05 | if soldering the 5 contacts turns out to be too hard |
| 19:26.37 | DocScrutinizer05 | wires must not be longer than 10mm |
| 19:26.37 | joga | I don't have a hot air gun and just some basic flux pen but I think I can manage one way or another |
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| 19:35.08 | joga | I guess I can just barely reach back there with the finest tip I got... besides the flex cable and some plastic beside it, are there any extra sensitive components near there I might screw up if I heat it too long? |
| 19:35.25 | joga | the tip is pretty crap heat transfer wise |
| 19:35.27 | joga | :) |
| 19:42.13 | DocScrutinizer05 | lift off the uSD daughterboard |
| 19:42.29 | DocScrutinizer05 | protect camera! |
| 19:42.47 | DocScrutinizer05 | then you're basicaly fine |
| 19:43.26 | DocScrutinizer05 | take care of the flex cable though, it's not really easily damanged but non-recoverable if you damage it |
| 19:44.19 | DocScrutinizer05 | it won't break when you take care a bit about it |
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| 19:47.30 | joga | ooooh it lifts off eh, didn't realize to try but figures |
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| 19:53.46 | joga | scared to lift it though...should it just pop out if done right? |
| 19:54.43 | joga | the service manual just mentions how to get the camera out but didn't find proper procedure for the uSD |
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| 19:57.51 | r00t|home | i cut away the shield next to the usb connector when trying to solder it... |
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| 20:05.37 | joga | r00t|home, did you succeed? |
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| 20:12.08 | joga | ok this picture is useful... http://people.openmoko.org/joerg/n900/images/n900_12.jpeg |
| 20:13.03 | joga | now to figure out how to achieve that without screwing up the flex.. |
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| 20:20.55 | joga | ah, got it |
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| 22:12.35 | r00t|home | <joga> r00t|home, did you succeed? <---- no |
| 22:13.09 | r00t|home | joga: i ripped out two or three of the five solder pads... |
| 22:13.14 | joga | :( |
| 22:13.28 | joga | I've a much luckier situation fortunately |
| 22:13.33 | r00t|home | joga: an attempt at using the usb on the debug pads also didn't work |
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