IRC log of #maemo for Friday, 2013-08-30

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mashinaـَّوُوُحخ ̷̴̐خ ̷̴̐خ ̷̴̐خ امارت01:38
mashinathat should crash os x corefont01:38
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bef0rdyea, good idea pasting it on IRC01:40
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Tekk_bef0rd: well presumably nobody in here would be using iOS...01:53
Hurrianah, no wonder my IRC client crashed.01:54
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DocScrutinizer05sure, osmocom again, even when only mentioned on page 702:36
DocScrutinizer05you're aware that osmocom and openmoko are, errr... cousins?02:37
LjL-AlpsDocScrutinizer05: is Naughty900 going to run an osmocombb modem?!?!?02:37
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LjL-Alpsin what way02:37
DocScrutinizer05well, first of all both are significantly driven by Harald Welte02:37
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HurrianLjL-Alps: a SDR on the Neo900 would be tons of fun.02:48
LjL-AlpsHurrian: i think DocScrutinizer05 already has that covered02:49
LjL-Alpsbut yes it would02:49
LjL-Alpsto be honest i'd be content with RTLSDR support on the original N900 :P02:49
DocScrutinizer05I elaborated on this and suggested a direct link from baseband to shared RAM to feed the signal to DSP. But this will be an unbearable power hog02:50
Hurrian…but I think the FCC would hang us should we advertise a high-gain SDR on the Neo900 :P02:50
DocScrutinizer05LjL-Alps: I discussed RTLSDR support on N900 with a few guys, and it might be feasible02:51
DocScrutinizer05on lower sampling rates02:51
xesi'm already using an rt2832 into my n900...but so slow02:51
LjL-Alpsxes: really?02:52
DocScrutinizer05xes: you du WUT??? :-O02:52
DocScrutinizer05and I wonder if it could be done ;-P02:52
LjL-AlpsDocScrutinizer05: you've been outdone. or perhaps outlied.02:52
xesi have compiled all gnuradio and rtlsdr driver02:53
xes..for the n90002:53
DocScrutinizer05gnuradio???? are you mad? or simply the weirdes hacker I ever heard of02:53
xesi can receive any signal but with a minimalist bandwidth02:53
DocScrutinizer05gnuradio is a terrible monster even on my i502:54
LjL-AlpsDocScrutinizer05: well the fancy waterfall program uses gnuraddio!02:54
xessorry, i had no time to upload all the binaries02:54
DocScrutinizer05~bash xes02:54
* infobot beats xes with ksh02:54
LjL-Alpsi thought you'd at least give me enough time to buy a USB-OTG cable first!02:55
xes...and also gqrx is running
DocScrutinizer05muhahahaha this gives me a good laugh02:55
LjL-Alpsxes: you're my new hero02:56
LjL-AlpsDocScrutinizer05: sorry, i'll have to ask your medal back02:56
xesbefore any medal... you have to try it in real life adventures02:56
LjL-Alpsi guess so02:57
DocScrutinizer05thanks, I already had a hurting back02:57
LjL-Alpsbut it doesn't matter, i'm clueless and never managed to receive anything with my RTLSDR!02:57
LjL-Alpsexcept for bus drivers talking on the phone02:57
xesBUT you can sign it with the flag N900_CAN_DO_IT02:57
xesin the meanwhile you could try to decode some signal with my fldigi package02:58
LjL-AlpsSSTV or nothing02:58
LjL-Alpsalso i want to try the new gqrx now, doubt anything will work on this EeePC 901 though02:59
LjL-Alpsbet the N900's faster02:59
DocScrutinizer05ooh, for sure02:59
xesso far i had the sensation that there is somethng wrong with the pulseaudio speed... there is a lot to dig there03:01
* DocScrutinizer05 blackmails xes for abusing his usb-hostmode to hack the radio bands03:01
LjL-Alpsare you aware of this HackRF Jawbreaker project?03:01
DocScrutinizer05xes: get rid of friggin pukeaudio and enjoy flawlessly working sounds03:02
xestomorrow i will upload in a new thread all my binaries for rtlsdr... it could also be that with more guys tring it, someone find some optimization03:02
DocScrutinizer05I wonder when GeneralAntilles and Jaffa will either kill us or close up MWKN for good ;-)03:04
LjL-Alpsoh neat, there's Ubuntu packages of latest gqrx and dependencies, i won't have to compile stuff03:04
DocScrutinizer05Neo900, RTLSDR, I wonder what else we can get in one week03:04
xesDocScrutinizer05: there are rtlsdr keys big just like an usb plug03:05
DocScrutinizer05I know03:05
DocScrutinizer05the problem though is: the E4000 alone is rated ~150+mA max irrc03:06
LjL-Alpsmy dongle does heat up a bit03:06
xesnew downloader with fixed parsing for multiple/single links:
DocScrutinizer05yup, mine too03:06
DocScrutinizer05you don't give up on, eh?03:07
xes:-) you know, i'm ...03:07
DocScrutinizer05he made me install his last version on my box03:08
DocScrutinizer05ok, time for update03:08
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xestry it, it's dirty but seems to work also with single files03:08
DocScrutinizer05I wouldn't know a usecase ;-D03:09
DocScrutinizer05ooh, does it come with --help?03:09
DocScrutinizer05abomination X-P03:10
xesan upload service with no ads and no catcha03:10
DocScrutinizer05but lots of nasty javascript03:10
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xesDocScrutinizer05: have you ever looked at the js?03:11
DocScrutinizer05it's so obfuscated that no real script kiddie bothers to abuse it03:11
DocScrutinizer05zje midgard one, oh god, no03:11
xes-no comment03:11
DocScrutinizer05xes: so what do you actually do with rtl2832?03:12
xesreceive ham radio freq?03:12
DocScrutinizer05and decode and listen?03:12
LjL-Alpsxes: what ham radio freqs, the only interesting ones are below 30Mhz!03:12
xesmonitoring uhf repeater03:12
DocScrutinizer05I want my spectrum analyzer on N900!03:13
xesbtw, i have the ham radio license so i'm doing a legal activity03:14
DocScrutinizer05lemme think... isn't it python?03:14
xesDocScrutinizer05 ...03:14
LjL-Alpsxes, in many countries listening to ham is perfectly legal anyway03:14
DocScrutinizer05I'm EE, I never do legal activity by definition ;-P03:15
xesDocScrutinizer05: tomoroww i will upload what i have done so far03:15
LjL-Alpsoh, hey look at this, it's a PAL antenna two-inputs selector - *grabs it for the RTLSDR*03:16
LjL-Alpswas probably used to connect the C64 or something03:16
DocScrutinizer05we are the guys opening the appliances with the warning"NO USER SERVICABLE PARTS INSIDE! DO NOT OPEN!"03:16
xesnow...bed! bye bye guys03:17
DocScrutinizer05cya xes! sleep well103:17
DocScrutinizer05and cure that beriberi!03:17
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xesok i'll try...good night!03:18
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Sysaxedbef0rd: what the hell was that?03:34
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bef0rdSysaxed, what?03:35
bef0rdSysaxed, osx crash thing?
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superkuhThe R820T tuner based dongles actually use even more power than the E4K ones.03:37
bef0rdSysaxed: sorry, I switched to a windows VM to avoid osx crash and that one seems to be compromised03:37
superkuhJust as an aside.03:37
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DocScrutinizer05heh, superkuh!! :-)03:38
DocScrutinizer05superkuh: yeah, and h-e-n hostmode blows chunks at ~200mA03:39
RiD'blows chunks'?03:39
RiDthat scares me03:39
DocScrutinizer05though, that is when errorflig beeps03:39
superkuhAnd as of right now the HackRF pulls way too much power on initialization.03:39
DocScrutinizer05the converter however might happily go higher03:39
DocScrutinizer05with reduced or even out of spec parameters for voltage, noise, whatnot03:40
LjL-AlpsDocScrutinizer05: i'm, uhm, streaming music from my N900 to my EeePC. but i'll let you guess how03:41
DocScrutinizer05I bet you attached the eee as mass storage03:41
DocScrutinizer05as a usb soundcard?03:41
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DocScrutinizer05USB motorola carkit mode?03:42
RiDyou got him curious03:42
RiDbetter tell him, he runs this place03:42
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DocScrutinizer05oh the suspeeeeeense03:43
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LjL-AlpsDocScrutinizer05: i'm using the N900's FMTX and the RTLSDR on the EeePC :P03:43
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RiDyou completely forgot about fmtx03:44
DocScrutinizer05well, I hate the quality03:44
RiDit's still something03:45
DocScrutinizer05stereo *pilot* is at 16kHz iirc!03:45
LjL-Alpswell it only works if i keep the two thingies at like 10cm distance03:45
RiDLjL you could market that as "nfc music streaming"03:46
DocScrutinizer05and stereo separation is basically nonexistent03:46
LjL-AlpsDocScrutinizer05, i think you're no teenager, don't fool us into thinking you can hear that03:46
Sysaxedbef0rd: no, what is this?
RiDna, DocScrutinizer05 has a good point03:46
LjL-AlpsRiD: yes, but i'll leave the expansion of "NFC" undefined03:47
RiDif it's anything like a 44100 vs 16khz wav, the difference is enormous03:47
LjL-AlpsRiD: uhm that's different though, a 16khz wav means you only get frequencies up to 8khz03:48
LjL-Alpswhich is a fair bit lowre03:48
* LjL-Alps is so British he spells "lower" "lowre"03:48
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LjL-Alpssurprised the rtlsdr does (almost... with lag) work with the eeepc, anyway03:49
RiDi had my shining moment, and you steal it03:49
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LjL-Alpsthe thing is, i'm pretty sure with the N900's extremely powerful transmitter, you never really reach the point where you have to worry about theoretical FM radio quality constraints ;(03:50
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LjL-AlpsDocScrutinizer05, if you folks actually managed to put an RTLSDR-like SDR inside the N900, that would give you worldwide broadcast radio coverage as a bonus - as today, various countries use DAB or DMB-T or 1seg or whatever as FM radio alternatives/replacements03:52
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LjL-Alpsat least if the processor were fast enough to decode any of that03:52
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DocScrutinizer05well, a 1GHz omap3630 with DSP should lift that03:52
DocScrutinizer05the problem is it keeps CPU busy, though maybe not much more than mp3-playback03:53
LjL-Alpsyeah it's not going to be battery efficient for sure03:54
DocScrutinizer05tbh with our weird PA based AP centric audio concept, nothing audio is exactly a battery smiler03:54
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RiDwell, 24hours of music is not bad is it?03:55
DocScrutinizer05it's so weeeeeeird, exactly what you never ever musr do when designing sw architecture for embedded03:55
LjL-Alpswhy stop at audio, DocScrutinizer05? these SDR thingies *were* originally meant as TV decoders, after all!03:55
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LjL-Alps1 frame per minute tv would be nice03:56
RiDvoiced slideshow03:56
DocScrutinizer05sure, I never said "stop at audio". Actually for audio any cheesy USB or other attaching method would suffice. I suggested shared RAM and DSP for DVB03:56
LjL-Alpsoh you really want to do DVB03:57
DocScrutinizer05sure, when i already got a SDR hooked up to my OMAP3, why not?03:57
LjL-Alpsi guess!03:58
LjL-Alpswhy not do GSM as well, and ditch the modem :P03:58
DocScrutinizer05when it can playback flash and mpeg2 and mpeg4 and whatnot, why not dvb?03:58
DocScrutinizer05actually with a rtl2823 dvb is probably easier to cpu than FM03:59
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LjL-AlpsDocScrutinizer05, well i dunno, but the RTLSDR's bandwidth isn't even enough to send in the raw i/q for DVB (which is 6Mhz iirc)04:00
LjL-Alpsi realize we're not talking about the actual RTLSDR here04:00
LjL-Alpsbut still, that seems like a lot of data to handle04:00
DocScrutinizer05you're aware that rtl2832 allegedly does DVB decoding on chip, and sends a mpeg or whatever stream?04:01
LjL-Alpsthat's why i said the bandwidth isn't enough to send the raw data :P04:02
LjL-Alpsi don't know anyway. it just seemed like a lot to handle, intuitively, but i'm not going to defend that position04:02
DocScrutinizer0528MB/s video bandwidth?04:04
DocScrutinizer05DSP handling that04:04
LjL-Alpsright but the actual bandwidth needed to get the radio signal in is going to be a lot more04:04
LjL-AlpsATSC is even worse, 8Mhz04:05
LjL-Alpswell maybe not really a lot more, since i'm talking compressed video on a radio i/q stream, and you're talking uncompressed bitmaps04:06
DocScrutinizer05aiui the IQ scheme is meant to run at nyquist and still get a meaningful data stream that even holds info about phase04:06
DocScrutinizer05so for 8MHz you need 32MB/s with 8bit resolution04:07
DocScrutinizer058Mhz -> 16Ms/s with 8bit I and 8bit Q04:08
DocScrutinizer05but I#m no expert in that digital signal processing stuff04:09
LjL-Alpsme neither. i just know that SDRs are expensive, and the RTLSDR seemed like a miracle already with its "really wide" 3Msps... but, economies of scale i guess04:10
DocScrutinizer05I just know the purpose of DVB is to reduce needed bandwidth, not to increase it04:10
LjL-AlpsDocScrutinizer05: well yeah thanks to MPEG04:10
LjL-Alpsbut a few channels are crammed into one stream so you still need to read in a lot of stuff, and then ditch some04:11
LjL-AlpsTV channels i mean04:11
DocScrutinizer05USB highspeed is 480Mbps04:12
DocScrutinizer05and CPU handles that easily04:12
DocScrutinizer05*usually* ;-P04:12
LjL-Alpsthe HackRF thing apparently can go down to 10MHz according to "leaked info", says wikipedia or some other wiki i was reading a moment ago04:12
LjL-Alps10MHz to 6GHz, now, that's... something04:13
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robbiethe1stwell, that's weird04:15
robbiethe1stI just saw this in a PM window from this network04:16
robbiethe1stLike, half an hour ago, apparently?04:16
DocScrutinizer05some ultraweird spammerbot04:18
robbiethe1stI'm thinking it thought /I/ was a bot node04:18
robbiethe1stLooking at the commands04:18
RiDprivlogin suckme04:18
DocScrutinizer05don't quote any names, this triggers the bot04:19
RiDwhat does it do?04:20
robbiethe1stI'm guessing that if my computer was compromised, this connection to IRC would be from a RAT, and he was attempting to establish communication, load up some new piece of malware04:21
robbiethe1stIn reality, though, I'm running Linux, so at /least/ give me a proper ELF binary to run04:22
Tekk_has anyone happened to try to compile Mednafen for the n900?04:25
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Tekk_it seems that app manager has decided that I have no catalogs and I have no apps installed04:57
mashinait doew that04:57
mashinajust restart app cat04:57
mashinaor use apt04:57
Tekk_app cat?04:58
DocScrutinizer05just wait!04:58
mashinaapp cataloguw04:58
mashinasilly keyboard04:58
DocScrutinizer05app manager needs up to 15 minutes to display any list of apps, when you enabled a lot of crammed catalogs04:59
Tekk_DocScrutinizer05: no, not now showing anything04:59
Tekk_but "you have no app catalogs enabled"04:59
Tekk_and when you go into app catalogs, it doesn't see any04:59
Tekk_not not showing*04:59
DocScrutinizer05then you messed up the catalogs file. That's a result of trying to avouid HAM and configuring catalogs in packages.list or whatever the names of thpose files05:00
Tekk_yeah, it actually seems like a force close on HAM fixed it05:02
DocScrutinizer05don't think you can edit those files any way you like, it is prone to mess up stuff.05:03
robbiethe1stWhy not just use apt?05:03
Tekk_DocScrutinizer05: I hadn't edited it05:03
DocScrutinizer05because for apt you need to know what you're doing, and what maemo does. maemo is NOT debian05:03
Tekk_but I did use apt a bit05:03
Tekk_but it seems that I've reverted the damage05:03
DocScrutinizer05apt is fine for a lot of standard stuff, especially command line tools05:05
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DocScrutinizer05for installing typical maemo specific packages or system stuff, you should resort to HAM05:05
robbiethe1st...I don't think I've started HAM in like two, three years05:06
DocScrutinizer05may I ask how you do upgrades then?05:06
Tekk_upgrade, presumbly?05:07
robbiethe1stapt-get update && apt-get upgrade05:07
DocScrutinizer05good luck05:07
robbiethe1stIt seems to work05:07
DocScrutinizer05kills system05:07
DocScrutinizer05emphasis on 2seems"05:07
DocScrutinizer05you'll notice the broken or conflicting or autoremoved or uninstalled packages 8 weeks later05:08
robbiethe1stI've killed the system a few times -- always due to friging optfs getting corrupted after a while; I've actually been able to recover from a pretty badly mangled system(i.e. optfs backup being from a year older than my rootfs)05:08
robbiethe1stit took apt-get install --reinstalling a bunch of optified stuff, but after doing that, it works05:09
DocScrutinizer05or never, while al the time you wonder why XY segfaults or acts weird05:09
robbiethe1stYou mean, aside from OCing?05:09
robbiethe1stI'm running 950mhz, at probably 99.9% stability, but I've had crashes oh, every month or two. But then again, I also almost never preemptively reboot it05:10
robbiethe1stunlike some05:10
DocScrutinizer05I basically never reboot N900, and I had no crash since err 3 years05:10
robbiethe1stI suppose that I don't have apt problems because I know enough not to press Y when it asks to remove dozens of things05:10
robbiethe1stYou also aren't OCing, are you?05:11
robbiethe1stfor me, a crash every couple of months and a rebuild every year is worth the extra 50% speed.05:11
Tekk_I temporarily bumped up to 90005:11
Tekk_to see if pcsx would run decently, it didn't05:11
Tekk_so I brought it back down05:11
DocScrutinizer0550% speed? maybe in clock divider05:11
robbiethe1stCPU wise, 950mhz is slightly over 50% faster than 600mhz.05:12
DocScrutinizer05ALU wise05:12
Tekk_robbiethe1st: why do you bother with overclock?05:12
robbiethe1stBecause it /seriously/ helps05:12
DocScrutinizer05CPU is more than ALU and PC05:12
robbiethe1stIt really helps with browser speed, which is what I do most of the time05:13
Tekk_with what though? granted, I've only been fiddling for a day or so, but I haven't yet really been hurting for cpu power05:13
DocScrutinizer05I wouldn't even know why I'd need any such help05:13
robbiethe1stJS heavy pages, like Slashdot...05:13
Tekk_/. works fine with noscript, as long as you don't want comments05:13
Tekk_is there a noscript for fennec?05:13
robbiethe1st...And that's the whole point of slashdot05:13
robbiethe1stthe comments are the important point. With stock MicroB, I can browse slashdot's desktop site just like I would otherwise, if a bit slower05:14
robbiethe1stMicroB, I might add, is the only browser I know of with a good implementation of mouse-cursor mode05:14
DocScrutinizer05the bottleneck with browsing is the RAM, and swap. You can't speed up swap by OC05:15
robbiethe1stDepends on the pages.05:15
Tekk_maybe he's really tweaked swappolube to the point where cpu is, I guess05:15
robbiethe1stI did that a while back; it's definitely faster than it was stock.05:15
DocScrutinizer05and the most popular mistake in microb that brings it to a grinding halt is adblock05:15
robbiethe1stPlus, sure, on lightweight webpages, swap is probably the limiting factor. Slashdot is where it05:16
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robbiethe1stIt's most noticable, and that's horribly JS heavy05:16
robbiethe1stPlus, I usually open up several tabs/windows at once, have them load in the background, Between stock 600mhz and 950mhz(changing only the governor), it's noticable05:17
robbiethe1st(In the past, I occasionally had a crash and PK wouldn't load my preset as default. I'm sitting there wondering "why is it so slow" "Oh..."05:17
robbiethe1stAlso(in the past), games. 950mhz vs 600mhz really helps with something like Runescape(which I was able to get to run, at like 1fps). 1ghz and above work fine for me(I can get to 1.15ghz), but create too much heat when running flat out05:19
robbiethe1stat 950mhz, it doesn't seem to get nearly as hot(though I haven't stressed it like this in quite a while)05:19
Tekk_robbiethe1st: you should try runescape 3 :D05:20
Tekk_I was getting like 3 fps on a dual core at 3.0 ghz with 4 gb of ram05:21
robbiethe1stOSRS is where it's at05:21
robbiethe1stThough I don't even play that much anymore05:21
Tekk_I used to play on rscangel05:22
robbiethe1st<< (and, on rs3/rs2 robbiethe2nd)05:22
robbiethe1stSpeaking of which, time to see if I can get OSRS working on my N900 again05:24
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robbiethe1stYay for X11/Linux05:25
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robbiethe1st...On the other hand, battery life is more like battery death05:28
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Tekk_there any docs for usb tethering? The wiki mentions that you can bluetooth tether on the bluetooth page, but that's all I've seen as far as tethering08:03
korhojoathere should be a guide to doing that08:08
korhojoai've used it08:08
korhojoaif you don't use pc suite, you can use this
korhojoasorry, this
Tekk_does pc suite even exist off of windows?08:12
korhojoanot that i know of08:13
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ApicA splendid good Morning (UGT) to You all!09:07
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XATRIXGuys, can you explain me why if i want to install Android OS on my RX-51 it's slow as hell ?09:25
XATRIXI thought Samsung Android devices uses ARM Cortex as well ?09:25
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HurrianXATRIX: power HAL isn't complete, and only 256MB of RAM is a big limiting factor09:40
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XATRIX256M or RAM is not enough for Android 2 or 4 ?09:41
Hurrian512MB would be cutting it close09:42
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Hurrian1GB has been enough for a few years now09:42
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ginggshi all, some packages of mine have built successfully, but not appeared in extras-devel, is there a problem with the repos?10:18
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divVerentI have this for a few days now... HAM tells me to update mc13:50
divVerentbut it cannot do that because it depends on a libslang2 we don't have13:51
divVerentis that known?13:51
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xesdivVerent: it seems that this new build depends on a package present only in the sdk repo. Maintainer is looking at this issue14:13
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Win7Macwhere did the maemo servers reside before the migration (which country)?14:22
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Win7Macbefore 1st migration I mean14:32
Win7MacEurope or USA?14:32
xessorry, no idea14:32
auenfx4got the old ip?14:33
divVerentxes: ok14:33
divVerentit's not urgent in any way, just the updater is annoying :P14:33
Win7Macauenfx4, I don't14:34
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xesWin7Mac: This seems to suggest it was in Finland also in 2010 and 2011. Maybe DocScrutinizer05 has some more details14:39
Win7Macthanks xes, I read Logica was hosting it back then, but not where14:41
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Win7MacRob stated that "forum server and database is in the US" here:
Win7Macbut that would apply for tmo only then?14:51
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xesDocScrutinizer05: Who said SDR?15:30
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freemangordonPali: did you test rx51_battery.ko in KP52? As I am able to load the module, but nothing appears in /sys/class/power_supply16:14
Palifreemangordon: in kp52? it working fine on my device16:15
Palicheck dmesg and also modprobe blacklist16:16
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freemangordonPali: the module is loaded, nothing suspicious in dmesg16:29
freemangordonPali: are you sure KP52 in the repos and the one installed on your device are the same?16:30
Paliwill check md5sum of bootimg16:31
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Pali/opt/boot/zImage- is same16:32
Palias from
Palialso rx51_battery.ko is same as in
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Palifreemangordon: can you check your installation?16:34
freemangordonPali: maybe I am doing something wrong, but in short is it - stop bme, modprobe power_supply, insmod /lib../rx51_battery.ko16:35
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Paliuname -a show me Sat Apr 6 11:59:23 UTC 201316:35
Palitry also modprobe rx51_battery instead insmod with full path16:35
freemangordonPali: seems I am stupid :(16:36
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freemangordonI forgot to tell u-boot to boot kp52 by default16:36
Paliand rx51_battery should be autoloaded16:36
freemangordonsorry for the noise16:36
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xesDocScrutinizer05: ping16:47
xesi think you should look at the screenshot i have just added.. ;-)16:49
DocScrutinizer05try lowering the sampling freq16:52
xesnow it seems something real16:52
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xesso far the worst issue is the hostmode switch... often the device is not detected. But it could be a power supply issue16:55
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xesDocScrutinizer05: do you have some script to switch on/off hostmode and vboost?16:57
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DocScrutinizer05vboost already has a script that gets used by h-e-n gui17:02
DocScrutinizer05use my massively improved one, I donno if you already got that17:03
DocScrutinizer05vboost script ^^^^17:04
xeswhoa... so fast... Already mirrored? ;-)17:05
LjL-Alpsi hate you people17:05
LjL-Alpsnow i have to rush somewhere i this godforsaken valley to find a USB-OTG cable17:06
xesLjL-Alps: real life problems.... where one "find|grep cable" can't help...17:07
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LjL-Alpshey, i wonder if this double-USB-charger i have can be used to connect two data cables together so i end up with the correct configuration ;(17:08
LjL-Alpsah i can't, i need an extension cord that i lack due to space issues17:09
DocScrutinizer05LjL-Alps: actually you probably can rework that charger to make an awesome OTG adapter17:09
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infobothmm... hostmode-powered is
DocScrutinizer05xes: (already mirrored) yeah, xesget works fine, just datarate was like 22kB/s for the gnuradio 8MB blob17:11
xesDocScrutinizer05: i know it was you!! :-) i was re-upping that tar with a fixed file :-)17:11
xesDocScrutinizer05: that script takes care only of vboost? Right? ..not high/full hostmode17:12
xesno way to switch all things in the right way from shell before start with rtl-sdr tools?17:13
DocScrutinizer05there are 2 commented lines that allude to actually enabling hostmode17:13
DocScrutinizer05  #sleep 117:14
DocScrutinizer05  #echo F >/proc/driver/musb-hdrc17:14
LjL-AlpsDocScrutinizer05: err, looks like greek to me right now (actually no, i can read some greek), i will read the whole thread carefully later, but long story short, am i likely to fry something if i just try connecting the N900 to (say) an MP3 player via this charger, while it's (not) plugged into the wall?17:14
DocScrutinizer05add another few and you should be mostly fine17:14
DocScrutinizer05LjL-Alps: the problem might be huge buffer capacitor in charger's VBUS output, which could cause inrush spike on N900 enabling VBUS and thus the bq25150 *might* decide to shut down. You'll notice this with my improved booston script, it rises a notifier. No particular risk to damage anything17:17
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DocScrutinizer05~listkeys hostmode17:17
infobotFactoid search of 'hostmode' by key (4): hostmode-charging #DEL# ;; hostmode-charging ;; hostmode-powered ;; hostmode.17:17
DocScrutinizer05blueled came up with some scripts that should enable hostmode "unattended"17:18
infobotsomebody said hostmode was, or, or see ~hostmode-powered17:18
DocScrutinizer05somewhere in that thread17:18
LjL-AlpsDocScrutinizer05: ah, ok17:19
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DocScrutinizer05xes: how bad is usb hostmode bandwith bottleneck?17:29
DocScrutinizer05xes: do you see lots of underruns?17:29
DocScrutinizer05or lots of dropped samples or whatever rtl_fm might complain about?17:30
DocScrutinizer05I asked keenerd about reducing samplerathe, he said in theory there's a 250k sample mode but that sucks since you can't get any clean multiple of your rx frequency17:31
DocScrutinizer05or sth like that, so you'd need resampling17:31
DocScrutinizer05so far rtl_fm doesn't support it due to that17:32
DocScrutinizer05he *might* implement it eventually, but that increases cpu load then, due to resampling17:33
DocScrutinizer05[2013-08-30 16:06:21] <keenerd> Hrm, using 250k is not going to be easy.  To make the math as fast and friendly as possible, the sample rate is choosen such that you don't need to do any fractional resampling.  Fixed sample rates kind of kill that.17:34
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DocScrutinizer05a truck full of windows workstations shall run over me if we're not the most leete community gathering around a cute little embedded device that you can possibly find anywhere ;-)17:36
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xesi think that the worst part is the cpu load... sometimes you can obtain better results recording to file instead sending to the pulseaudio output17:41
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DocScrutinizer05pukeaudio sucks donkey balls17:51
DocScrutinizer05maybe worth stoppiing it all together before starting aplay17:52
DocScrutinizer05it's >>aplay -> alsa -> soundcard[[   then, rather than >>aplay -> PA-ALSA-compatlayer -> PA -> alsa -> soundcard[[17:53
DocScrutinizer05where "PA" in fact is some terrible stuff including XPROT and a lot of resmapling and mixing and equalizing and whatnot17:54
DocScrutinizer05you'll need to use alsamixer -c0 then, to adjust volume etc17:55
xesthe better thing would be to have an initialization script that prepares all the things before run anything concernin rtl-sdr17:56
infobothostmode-powered is probably
DocScrutinizer05xes: sure :-)17:56
DocScrutinizer05xes: definitely this isn't rev1.0 yet17:56
xesso, enable hostmode, vboost (disable/enable/../) until lsusb can see the device, stop everything that could interfere with sdr. Then "ready to go"18:00
DocScrutinizer05xes: I even might consider writing a nice script that takes care about PA, about hostmode, even hostmode-powered, and all that, and finally starts rtl_fm (in a loop, till aborted?). Just I CBA to mess with messybox scripting18:01
DocScrutinizer05err, yes18:01
xes? sorry18:02
DocScrutinizer05sth like that. Though I prolly would go for monitoring kevents or dmesg or syslog to find out about detected USB device18:02
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DocScrutinizer05and I'm not sure if you didn't forget ENUM18:03
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DocScrutinizer05though this should get taken care about by udev rule18:03
korhojoaoh wow18:03
korhojoai really want some sdr stuff now18:03
DocScrutinizer05I got three sticks in front of me18:04
korhojoashowing that to my network comms teacher would probably be pretty neat18:04
korhojoamail one to me.18:04
korhojoawhere did you buy yours?18:04
DocScrutinizer05one is a cheesy but easily available and tiny logilink "va0002" that I bought ages ago, the other two are terratec based on E4000 tuner which I ordered a 2 weeks ago at fleabay18:05
DocScrutinizer05those are huge monsters18:06
DocScrutinizer05about 5 times the size (and 20 times the volume) of the logilink18:07
DocScrutinizer05well, twice+ the length, and 5 times the volume ;-)18:07
xesthis could be an option:
korhojoa ?18:08
DocScrutinizer05r820t allegedly is almost as good(?) as e400018:08
DocScrutinizer05korhojoa: sounds ok'ish18:08
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DocScrutinizer05actually that's exactly the offer I buy18:09
DocScrutinizer05for the va0002 you *need* parameter -g40 in rtl_fm, for terratec this very option is detrimental18:10
korhojoaI just wish it wasn't in german18:11
DocScrutinizer05why? because Merkel sucks and still will make it for another 4 years? ;-P18:11
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DocScrutinizer05move to italy, hope for berlubungabunga ;-)18:12
DocScrutinizer05aaah sorry, IT wasn't in... missread18:12
DocScrutinizer05read "I wasn't in..."18:13
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DocScrutinizer05tbh the terratec is a scam, it doesn't even have the IR RX mounted, and consequently comes without any IR-remote18:14
DocScrutinizer05not that you could actually use that remote control under linux anyway18:14
DocScrutinizer05but the logilink been cheaper and came with a remote control18:15
xesso, DocScrutinizer05 have you choosed the key to try? Does it works?18:15
DocScrutinizer05I didn't come around to try anything on N900 yet18:16
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xesi have one key with e4000 and one with r820, both identical (from outside) and like this:
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DocScrutinizer05it's a shame how every single model of those rtl2832 keys is crippled from what it could be to something that's barely enough to do what it must do, for sole purpose of saving a 50ct on BOM19:00
DocScrutinizer05better crystal, some pads to solder on RF-feed-thru and to daisychain clock, and particularly a LNA in RF-in, and that thing could rock19:03
DocScrutinizer05actually a phantom-feed for LNA in antenna would already help a lot19:04
DocScrutinizer05could attach active GPS antenna then19:05
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SpeedEvilyeah - well - mass market19:13
SpeedEvilthey you go to things like the funcube dongle19:14
SpeedEvilintermod isn't pretty19:14
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Win7Macfreemangordon: Autobuilder got borked again?:
Win7MacDocScrutinizer05, where did the maemo servers reside before the migration (which country)?19:29
Win7MacI just wanna give a correct answer here:
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Win7Macmigration #1 that is19:30
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DocScrutinizer05Win7Mac: answer been in this chan, see backscroll19:32
DocScrutinizer05tmo not been part of "", prior to migration#119:32
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Win7Macso the answer is Finland, except for tmo server, which was set up in USA?19:35
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Win7Macok, thanks19:46
entitledich bin NEIN berliner19:47
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Win7Macand now BOTH servers reside at IPHH, right?19:47
DocScrutinizer05du bist ein krapfen!19:48
DocScrutinizer05yes, Win7Mac19:48
entitledse on itte, joka ensiks haukkuu19:48
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Win7Macwould you agree?:
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