#beagle IRC Log on BeagleBoard.org

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IRC Log for 2008-06-09

Timestamps are in UTC.

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  87. [07:48:30] <keesj> howdy
  88. [07:54:07] <mru> morning
  89. [07:54:20] <mru> if that's your timezone ;-)
  90. [07:56:51] <koen> we use ugt :)
  91. [07:57:18] <koen> http://www.total-knowledge.com/~ilya/mips/ugt.html
  92. [07:57:19] <mru> speaking of time, how do you guys deal with system time on the beagle?
  93. [07:58:01] <koen> I use the RTC to keep time between boots :)
  94. [07:58:08] <koen> and I run nptdate on boot
  95. [07:58:15] <mru> oh, there's an rtc?
  96. [07:58:22] <koen> yes
  97. [07:58:27] <mru> I must have mine misconfigured
  98. [07:58:30] <koen> the TI .22 kernel doesn't support it, though
  99. [07:58:38] <mru> I'm building git kernels
  100. [07:58:47] <mru> from linux-omap tree
  101. [08:01:41] <mru> anyhow, I still suppose the rtc resets if the board isn't powered
  102. [08:01:49] <mru> I don't see any backup power anywhere
  103. [08:13:36] <koen> right
  104. [08:13:45] <koen> I use the reset button :)
  105. [08:26:01] <keesj> mru: 10:25 here
  106. [08:59:22] * esteveespuna (n=esteve@87.235.15.105) has joined #beagle
  107. [09:41:50] <ali_as> koen, could I ask you to try some more screen mode experiments at somepoint?
  108. [09:46:46] <ali_as> Pushing up the pixelclock. I'm interested in 1920x1080x16bit and also 1920x1200x8bit.
  109. [09:56:34] * RogerMonk (n=a0740758@nat/ti/x-1286a7f7e04727e0) has joined #beagle
  110. [10:01:18] <koen> my screen doesn't to that resolutions, so I have no way of checking if it actually works
  111. [10:02:32] <khasim> Actually it is not just the pixel clock you need to push the DSS functional clock to process the data at that rate
  112. [10:02:50] <khasim> and more over if your Framebuffer is in DDR then you DDR access is at 166Mhz
  113. [10:03:18] <khasim> so you might hit an FIFO underfull error
  114. [10:04:38] <ali_as> Are those details in the TI documents/Could you point me to a page number please?
  115. [10:05:32] <ali_as> I've been sturggling to find anything I want to know in the ti docs, like gpio toggle rates. The gpio doc doesn't seem to contain any timing information at all, just debounce for key input.
  116. [10:50:05] <ldesnogu> khasim: isn't the FB always in DDR on OMAP35 chips?
  117. [11:04:22] * DJW|Home is now known as DJWillis
  118. [11:44:43] * dschaeffer (n=daniel@timesys-gw0.cust.expedient.net) has joined #beagle
  119. [12:14:53] <jkridner> koen: now that I've completed my OE build, where do I find the file system and kernel image?
  120. [12:20:33] <jkridner> I found tmp/deploy/glibc/images
  121. [12:21:18] <ldesnogu> jkridner: probably here: http://amethyst.openembedded.net/~koen/index.php?path=beagleboard
  122. [12:21:20] <jkridner> I'm wondering why glibc is the only dependency worth the promotion to a subfolder. I suppose people maintain parallel build states with uclibc.
  123. [12:21:57] <jkridner> that seems to be at the stuff/tmp/deploy/glibc/images/beagleboard level.
  124. [12:23:27] <ldesnogu> according to http://elinux.org/BeagleBoard#Development_environments you are right :)
  125. [12:23:55] <jkridner> ah.
  126. [12:24:35] <jkridner> looks like the default is not to expand the tarball.
  127. [12:24:54] <jkridner> I'm not sure where the intermediate files are. only tarballs remain.
  128. [12:24:55] <Crofton|work> http://www.flickr.com/photos/32615155@N00/
  129. [12:24:59] <Crofton|work> jkridner, exactly
  130. [12:25:08] <Crofton|work> you can do glic and uclibc builds
  131. [12:25:18] * Crofton|work wonders if eglibc is files seperately also
  132. [12:25:36] <Crofton|work> jkridner, look in tmp/work
  133. [12:28:02] <jkridner> ah. work/beagleboard-angstrom-linux-gnueabi/console-image-1.0-r0/temp/run.do_rootfs.5990 shows me the bundling step. maybe?
  134. [12:56:12] * BThompson (n=BThompso@nat/ti/x-ab672d31f2555623) has joined #beagle
  135. [12:56:22] * Crofton (n=balister@66-207-66-26.black.dmt.ntelos.net) has joined #beagle
  136. [13:19:29] * prpplague (n=dave@mail.americanmicrosystems.com) has joined #beagle
  137. [13:20:38] * bazbell (n=a0192809@nat/ti/x-e7f9511ac4678380) Quit ("Leaving.")
  138. [13:35:46] <koen> jkridner: all user-useable output is in deploy/<c library>/
  139. [13:35:57] <koen> jkridner: all intermediate stuff is in work/
  140. [13:36:11] <koen> jkridner: and reusable stuff (headers, libs, etc) is in staging/ and cross/
  141. [14:00:34] * gkarabin (n=gkarabin@64.212.175.249) has joined #beagle
  142. [14:01:35] <jkridner> 'bitbake x11-image' failed at home/angstrom/stuff/org.openembedded.dev/packages/binutils/binutils-cross_2.18.bb, do_compile
  143. [14:11:41] <koen> weird, binutils-cross should have already been built as part of console-image
  144. [14:11:44] <koen> (and task-base)
  145. [14:12:20] <Crofton> I just started aclean build
  146. [14:25:48] * khasim (n=a0393720@192.163.20.231) Quit (Remote closed the connection)
  147. [14:37:26] * hagisbasheruk (n=hagisbas@78.148.135.75) has joined #beagle
  148. [14:42:19] * bazbell (n=a0192809@nat/ti/x-d2e544acd73342f7) has joined #beagle
  149. [14:43:18] <hagisbasheruk> [12:08:40] <Crofton> jkridner, next week I'll do a talk on beagle as an open prototyping platform for SDR ,from some log ion the net .I just found out about the beagleboard and thought about hooking one upto a softrock40 ,http://www.amqrp.org/kits/softrock40/futures.html
  150. [14:43:52] <Crofton> hagisbasheruk, ?
  151. [14:43:56] <hagisbasheruk> :)
  152. [14:44:05] <hagisbasheruk> any progress
  153. [14:44:11] <Crofton> well
  154. [14:44:14] <Crofton> I gave a talk
  155. [14:44:32] <hagisbasheruk> anyone record it ?
  156. [14:45:13] * TheChuckster (n=chuck@c-71-236-113-61.hsd1.pa.comcast.net) has joined #beagle
  157. [14:45:39] <Crofton> softrock would make an instersting beagle project
  158. [14:45:41] <Crofton> do they have linux code for it?
  159. [14:45:43] * TheChuckster (n=chuck@c-71-236-113-61.hsd1.pa.comcast.net) has left #beagle
  160. [14:46:19] <hagisbasheruk> i guess Gnuradio would work , duno though
  161. [14:47:11] <hagisbasheruk> the main project is on yahoo groups
  162. [14:47:28] <hagisbasheruk> http://groups.yahoo.com/group/softrock40/
  163. [14:47:41] <Crofton> I am hoping the USRP will work with the beagle
  164. [14:47:47] <Crofton> I should know more later this week
  165. [14:48:00] <hagisbasheruk> iUSRP ?
  166. [14:48:07] <hagisbasheruk> -i
  167. [14:48:16] <Crofton> Universal software radio peripheral
  168. [14:48:34] <Crofton> from GNU Radio project
  169. [14:49:13] <hagisbasheruk> tell me about it in 20 mins , goto go take my demanding child to her Grandmas
  170. [14:49:20] <hagisbasheruk> brb
  171. [14:49:23] <Crofton> ok
  172. [14:49:24] <sakoman> jkridner: are you familiar with the audio test setup in the TI beagle u-boot?
  173. [14:50:01] <jkridner> not very. I know it is just a dump of a static waveform.
  174. [14:50:17] <jkridner> it does not setup the PCM data transfer properly.
  175. [14:50:40] <sakoman> my question is about the vppl1 & 2 setup
  176. [14:50:51] <sakoman> vpll that is
  177. [14:51:07] <jkridner> I haven't looked at it.
  178. [14:51:32] <sakoman> It does 4 writes to 4030 registers associated with vpll1 & vppl2
  179. [14:51:47] <jkridner> k.
  180. [14:52:08] <sakoman> what are vpll1 & 2 used for? are they associated with audio?
  181. [14:52:19] <suihkulokki> is it possible to use the u-boot usb gadget serial console on beagle?
  182. [14:53:48] <jkridner> did you pull up section 8.5 of the HW ref manual?
  183. [14:54:09] <sakoman> jkridner: ok, I will
  184. [14:54:18] <sakoman> Beagle hw ref manual?
  185. [14:54:20] <jkridner> suihkulokki: the usb code has not been put into u-boot yet.
  186. [14:54:24] <jkridner> sakoman: yes.
  187. [14:54:40] <jkridner> suihkulokki: but, it should certainly be possible.
  188. [14:57:37] <suihkulokki> great
  189. [14:57:49] <sakoman> jkridner: rtfm :-) thanks
  190. [14:57:57] <jkridner> sakoman: it looks to me like vpll1 and vpll2 are both used for the OMAP PLL...
  191. [14:58:07] <jkridner> I don't see how they affect the audio.
  192. [14:58:27] <sakoman> t tracking down all possible leads :-)
  193. [14:59:15] <jkridner> k. seems like they are important for DVI-D output. I'm not sure why VPLL1 would be adjusted at run-time.
  194. [15:00:10] <sakoman> me either -- I was trying to understand what the reason was for those writes to be there
  195. [15:00:44] <sakoman> they aren't there in my git u-boot and it doesn't seem to have any adverse affect
  196. [15:01:24] <jkridner> ah. makes sense. they should have been setup at reset. Might be necessary to up the voltage on VPLL2 for DVI-D output.
  197. [15:01:47] <esteveespuna> hi, maybe someone can help me... I am having a look at the video driver from the mvista git kernel, I am trying to get a decent pixelclock. But I get this: Clock dss1_alwon_fck didn't enable in 100000 tries
  198. [15:01:47] <esteveespuna> omapfb: Pixclock 39272 kHz hfreq 32.5 kHz vfreq 42.6 Hz
  199. [15:01:56] <esteveespuna> any ideas ?
  200. [15:02:51] <sakoman> jkridner: I'll add that to my todo list
  201. [15:03:08] <ali_as> koen has bene playing with a screen mode of 1600x1200 and getting an unexpectedly low pixelclock also.
  202. [15:03:16] <jkridner> we've been trying to figure out something similar here, where the pixel clock was set to 65MHz, but came out lower.
  203. [15:04:37] <sakoman> jkridner: IIRC the omap fb driver takes the Mhz value and does some math on it to convert it to picoseconds. perhaps there is a bug in that code?
  204. [15:05:34] <esteveespuna> sakoman: you mean at calc_ck_div ?
  205. [15:05:56] <esteveespuna> this is only to set DISPC_DIVISOR i guess...
  206. [15:06:04] <sakoman> sorry, don't recall
  207. [15:06:28] <sakoman> just remember seeing that section of the code
  208. [15:06:37] * robclark (n=robclark@nat/ti/x-77c08c51e2ab6c0d) has joined #beagle
  209. [15:06:44] <ali_as> Is it possible to query the omap registers directly to find out what values are being set?
  210. [15:06:48] * robclark (n=robclark@nat/ti/x-77c08c51e2ab6c0d) Quit (Client Quit)
  211. [15:06:58] <esteveespuna> With the .22 kernel I did not have this problem. But the clock part has changed much from that.
  212. [15:26:12] * NishanthMenon (n=nmenon@nat/ti/x-88b1069869d47d9b) has joined #beagle
  213. [15:27:08] * hagisbasheruk (n=hagisbas@78.148.135.75) Quit (Read error: 104 (Connection reset by peer))
  214. [15:37:33] * hagisbasheruk (n=hagisbas@78.148.135.75) has joined #beagle
  215. [15:38:56] * dirk2 (n=dirk@F3353.f.strato-dslnet.de) has joined #beagle
  216. [15:42:22] <hagisbasheruk> couldn't get away from my mum's house crofton , hehe , tell me you current SDR/Beagle info/ideas
  217. [15:42:51] <Crofton> what is your background
  218. [15:43:25] <hagisbasheruk> Ham radio , tv/hifi/video servicing
  219. [15:43:48] <Crofton> Have you looked into gnu radio at all?
  220. [15:43:51] <hagisbasheruk> been a while since i done tv stuff
  221. [15:44:17] <hagisbasheruk> Nope , will look into it
  222. [15:44:45] <hagisbasheruk> Got a softrock40 kit last year and never got round to doing it :)
  223. [15:44:46] <Crofton> basically, there is lots of ham stuff that uses the PC now
  224. [15:44:58] <Crofton> but, it should have a chance of working on the beagle
  225. [15:45:56] * koen used the ham stuff on his pizza last night
  226. [15:45:56] <Crofton> I'm finishing up some stuff today
  227. [15:46:10] <hagisbasheruk> nice
  228. [15:47:12] <hagisbasheruk> programming ?
  229. [15:47:34] <hagisbasheruk> hi koen
  230. [15:48:10] <esteveespuna> any idea of where the rate of dss1_fck is programmed ?
  231. [15:48:23] <hagisbasheruk> #include <pinapple.h> /* lol@ koen */
  232. [15:52:31] <koen> jkridner: http://www.fudzilla.com/index.php?option=com_content&task=view&id=7782&Itemid=1
  233. [15:52:47] <koen> jkridner: I'm pretty sure the omap3 can decode 720p :)
  234. [15:53:57] <hagisbasheruk> The USRP is US$700 crofton , ouch ,softrock is about $20
  235. [15:54:16] <Crofton> so the softrock is an easier starting place
  236. [15:54:18] <BThompson> but to do 720p you would need the dsp accelleration
  237. [15:54:23] <esteveespuna> The C64X of the OMAP can for sure do 720p
  238. [15:54:24] <Crofton> at least for ham app's :)
  239. [15:55:13] <Crofton> do they have linux apps for the softrock yet?
  240. [15:55:22] <hagisbasheruk> well i guess you could always modify to suit your desired frequency
  241. [15:55:26] <Crofton> bbl
  242. [15:55:28] <Crofton> yeah
  243. [15:55:38] <Crofton> but that is tricky, dpending on your background
  244. [15:55:44] <Crofton> I need to get lunch
  245. [15:55:57] <hagisbasheruk> mmm... food :P
  246. [15:57:47] <hagisbasheruk> as far as i am aware Wine works fine with the current windows binaries , i'll post on their yahoo group about linux software , enjoy lunch crofton
  247. [16:10:11] * robclark (n=robclark@nat/ti/x-f083a5ce0601db34) has joined #beagle
  248. [16:30:14] <hagisbasheruk> crofton , i found something interesting regarding Linux and the Softrock that maybey of intrest when you get back from lunch , http://ewpereira.info/sdr-shell/
  249. [16:34:29] * ldesnogu_ (n=ldesnogu@ven06-2-82-247-86-183.fbx.proxad.net) has joined #beagle
  250. [16:40:03] * gkarabi1 (n=gkarabin@64.212.175.249) has joined #beagle
  251. [16:40:08] * hagisbasheruk_ (n=hagisbas@78.148.135.75) has joined #beagle
  252. [16:40:25] * dirk3 (n=dirk@F3353.f.strato-dslnet.de) has joined #beagle
  253. [16:48:50] <koen> sakoman: any news from ASoC land?
  254. [16:55:50] <sakoman> koen: nothing new
  255. [16:55:59] <sakoman> still debugging :-(
  256. [16:57:42] * dirk2 (n=dirk@F3353.f.strato-dslnet.de) Quit (Read error: 113 (No route to host))
  257. [16:58:00] * gkarabin (n=gkarabin@64.212.175.249) Quit (Read error: 110 (Connection timed out))
  258. [16:58:49] <koen> sakoman: does stereo-in show the same problems?
  259. [16:58:56] * hagisbasheruk (n=hagisbas@78.148.135.75) Quit (Read error: 110 (Connection timed out))
  260. [16:59:09] <sakoman> I haven't even looked at line in
  261. [16:59:54] * NishanthM (n=nmenon@nat/ti/x-e9c5e1c39e00817d) has joined #beagle
  262. [17:00:00] <sakoman> been looking at the i2s signals with a scope this morning
  263. [17:00:39] <sakoman> they look OK -- right frequency, right phase relationships, right number of data bits
  264. [17:03:19] <sakoman> I think perhaps I shouldn't trust the comments in the mcbsp code. I need to look at what they are writing to the mcbsp hw and make sure it matches the comments
  265. [17:07:10] <ali_as> Speaking of sound, what are the specs for digitising an input?
  266. [17:13:29] * NishanthMenon (n=nmenon@nat/ti/x-88b1069869d47d9b) Quit (Remote closed the connection)
  267. [17:24:12] * esteveespuna (n=esteve@87.235.15.105) Quit ()
  268. [17:26:59] <hagisbasheruk_> ali_as, http://www.beagleboard.org/uploads/Beagle_HW_Reference_Manual_A_5.pdf on page 20 has some sound info , duno if it is enough , i doubt it
  269. [17:29:05] <koen> sakoman: you mean copying the u-boot and/or .22 code?
  270. [17:29:56] <sakoman> koen: no, I mean the mcbsp code in omap git
  271. [17:30:04] <sakoman> my driver needs to work with that
  272. [17:31:12] <koen> ah, right you can't really copy code since the drivers are so different...
  273. [17:31:18] <sakoman> hagisbasheruk_: no it isn't enough :-) I have all the docs I need though
  274. [17:31:34] <sakoman> koen: yeah, nothing even remotely close!
  275. [17:32:07] <sakoman> I'm learning a lot though :-)
  276. [17:32:10] <hagisbasheruk_> i would be most interested in any to do with the sound also
  277. [17:32:19] <koen> sakoman: I like the way the smartreflex code was added: patch 1 is TI code dump, further patches are cleanup and porting
  278. [17:32:53] <koen> (although it does mean there is a revision with 'broken' code)
  279. [17:33:17] <dirk3> koen: with uboot we currently try similiar
  280. [17:34:01] <sakoman> having the docs is only part of the solution though. the other is figuring out where in the 3300 page doc or the 920 page doc I ought to be looking :-)
  281. [17:34:05] <koen> speaking of u-boot: is there a way to include an autoscript in a kernel uImage?
  282. [17:34:39] <ali_as> hagisbasheruk_, searches on the twl4030 resist easy interpretation.
  283. [17:35:23] <koen> sakoman: I finally solved my newton rings issue when scanning: a card board spacer with a 6x6cm hole cut into it
  284. [17:35:43] <sakoman> high tech!
  285. [17:35:53] <koen> although I suspect that technique won't work on 8x10" negs
  286. [17:36:05] <sakoman> no, I doubt it!
  287. [17:37:19] <mru> hi guys
  288. [17:37:41] <mru> I vaguely recall someone here mentioning running the beagle with nfs root
  289. [17:38:02] <koen> problably over g_ether
  290. [17:38:22] <koen> I decided it was too much work, an SD card is just sooooo much easier
  291. [17:38:37] <mru> yes and no
  292. [17:38:42] <mru> it's easier to set up once
  293. [17:38:45] <mru> harder to maintain
  294. [17:38:47] <hagisbasheruk_> mmm.... onboard sound is no good for my project , i'll need to get a 24bit usb one :( damn
  295. [17:38:47] <koen> you can mount an nfs share later on :)
  296. [17:39:23] <mru> true
  297. [17:39:33] <koen> mru: with 'harder to maintain' you mean 'harder to develop on', right?
  298. [17:39:40] <ali_as> What's your project hagis?
  299. [17:40:12] <mru> koen: it inevitably involves keeping the sd card and a tree on disk in sync
  300. [17:40:16] <ali_as> I'm going through a shopping list of uses, and one was an SD recorder.
  301. [17:40:16] <hagisbasheruk_> will be hopefully a Software Defined Radio
  302. [17:40:30] <koen> mru: that's what package managers are for :)
  303. [17:40:59] <mru> I still prefer builing the filesystem on disk first
  304. [17:41:08] <ali_as> How were you planning to get the RF out?
  305. [17:41:43] <mru> koen: and yes, I am using a package manager
  306. [17:42:36] <hagisbasheruk_> RF out as in http://www.amqrp.org/kits/softrock40/ ali_as
  307. [17:43:45] <hagisbasheruk_> software for linux http://ewpereira.info/sdr-shell/
  308. [17:46:45] <koen> hmmm, seems my usual 'TV time' is non-existant the next few weeks
  309. [17:46:51] <hagisbasheruk_> seems crofton plans a similar project ali_as
  310. [17:47:03] <koen> all my usual shows are canceled because of that stoopid soccer thiny
  311. [17:47:18] <hagisbasheruk_> its Football :P
  312. [17:47:27] <koen> no, it's stoopid
  313. [17:47:32] <ali_as> A software defined rx, I'm at a loss as to what it does.
  314. [17:47:34] <hagisbasheruk_> i agree
  315. [17:48:57] <hagisbasheruk_> i guess you would be unless you know a bit about how radio works
  316. [17:49:56] <ali_as> I and Q are something like QPSK?
  317. [17:51:03] <hagisbasheruk_> http://en.wikipedia.org/wiki/Software-defined_radio
  318. [17:51:26] <hagisbasheruk_> isn't that some data mode ?
  319. [17:54:28] <hagisbasheruk_> you know about flip flops ? and not the ones you put on your feet , the digital type
  320. [17:55:02] <ali_as> Yes and yes.
  321. [17:55:59] <hagisbasheruk_> well :) you should know :P , this is Quaedrature Phase Shifting
  322. [17:57:18] <hagisbasheruk_> brb , need coffee n ciggie
  323. [17:57:36] <ali_as> I don't understand what exists at 7MHz. Is this after the tuner stage of a satellite signal?
  324. [17:58:25] <hagisbasheruk_> Ham Radio / Amature Radio , mostly SSB signals .....now coffee 4 me
  325. [17:59:05] <Crofton|work> hagisbasheruk_, why do you need 24 bits?
  326. [18:04:36] <hagisbasheruk_> for wider frequency bandwith Crofton|work
  327. [18:04:48] <hagisbasheruk_> Coffee , thats better
  328. [18:05:13] <Crofton> the bits don't impact bandwidth, just dynamic range
  329. [18:05:25] <Crofton> agc should (hopefully) solve dynamic riange
  330. [18:05:36] <Crofton> bandwidth is set by sample rate
  331. [18:05:48] <ali_as> Do you happen to know the digitising specs of the beagle Crofton?
  332. [18:05:59] <Crofton|work> on the sound card?
  333. [18:06:06] <Crofton|work> not of the top of my head
  334. [18:06:09] <hagisbasheruk_> yes but most 16bit cards are only 48Khz whereas most 24bit ones are 96Khz
  335. [18:06:14] <ali_as> Umm, card?
  336. [18:06:16] <Crofton|work> I would assume at least 12 bits at 48 kHz
  337. [18:06:22] <Crofton|work> ok
  338. [18:06:24] * dschaeffer (n=daniel@timesys-gw0.cust.expedient.net) has left #beagle
  339. [18:06:25] <Crofton|work> that I can belive
  340. [18:06:49] <Crofton|work> for amateur modes, 48 is plenty fast, unless you want to do multi-carrier
  341. [18:07:25] <jkridner> Beagle is 16 bits stereo 48kHz.
  342. [18:07:38] <ali_as> Thanks Jason.
  343. [18:08:42] <hagisbasheruk_> that will do for now though i want to have a larger bandwidth of frequencies
  344. [18:09:34] <koen> 24kHz is enough for everyone!
  345. [18:09:43] <koen> </640kiB reference>
  346. [18:10:11] <hagisbasheruk_> :P not me :P
  347. [18:10:17] <ali_as> Unless you want to have a conversation with a bat.
  348. [18:12:46] <ali_as> I do quite like the idea of a software defined radio that can handle 8MHz.
  349. [18:13:02] <ali_as> Test out different modulation systems for satellite and such.
  350. [18:13:31] <NishanthM> twl4030 can do 24 bit if i recollect
  351. [18:13:39] <NishanthM> dunno if there is driver support for it
  352. [18:13:41] * koen hates when marketing people confuse samplerate and bw on purpose
  353. [18:13:55] <koen> NishanthM: sakoman is writing the driver :)
  354. [18:14:04] <mru> is that all they confuse?
  355. [18:14:06] <NishanthM> and if i collect it can do 96khz playback only on audio path
  356. [18:14:17] <NishanthM> 48khz full duplex on audio path
  357. [18:15:13] <mru> anyway, I have this project to get the best possible video playback on the beagle board
  358. [18:15:33] <ali_as> Define 'best possible'.
  359. [18:15:50] <mru> high resolution and bitrate
  360. [18:15:55] <koen> mru: using only the cortex, or also with dsp?
  361. [18:16:01] * dirk3 (n=dirk@F3353.f.strato-dslnet.de) has left #beagle
  362. [18:16:01] <mru> whatever it takes
  363. [18:16:07] <mru> only the cortex to begin with
  364. [18:16:20] <koen> + /* Dont support 96Khz -requires HSCLK >26Mhz
  365. [18:16:20] <koen> + { .rate = 96000, .apll = AUDIO_MODE_RATE_96_000 }, */
  366. [18:16:22] <sakoman> at the moment, git mcbsp only does 16 bit at 44.1 or 48 Khz
  367. [18:16:27] <mru> what sort of driver support is there at the moment for graphics?
  368. [18:16:42] <mru> is there anything more than a dumb framebuffer?
  369. [18:16:54] <NishanthM> yeah it does need 26Mhz hsclk. i thought we had that on beagle rt?
  370. [18:16:58] <ali_as> Uncompressed video would get you both, seems a slippery goal.
  371. [18:17:13] <koen> mru: atm only dumb framebuffer
  372. [18:17:25] <koen> mru: drivers for the powerVR SGX core are in the works
  373. [18:17:39] <mru> which part is that again?
  374. [18:17:48] <koen> mru: I don't know if the DSP has a hardware converter for pixelformats, though
  375. [18:18:03] <mru> what about the IVA module?
  376. [18:18:28] <suihkulokki> afaik the display controller can do YUV transitions without the help of IVA/SGX
  377. [18:18:59] <hagisbasheruk_> can the hsclk source come from an external clock koen ?
  378. [18:19:01] <koen> the DSP is part of the IVA2.2 system
  379. [18:19:05] <koen> hagisbasheruk_: no idea
  380. [18:21:21] * hagisbasheruk_ is starting to think that mabey he will see what crofton comes up with first :P
  381. [18:21:42] <mru> according to the documentation (swpu114g), the display controller only handles YUV 4:2:2
  382. [18:21:51] <mru> and rgb of course
  383. [18:22:01] <mru> video generally decodes to 4:2:0
  384. [18:22:22] <mru> either way, someone needs to write an accelerated X driver
  385. [18:22:38] <koen> any volunteers?
  386. [18:22:45] <mru> I'm game
  387. [18:23:08] <mru> just want to check the state of affairs before duplicating any work
  388. [18:23:24] <koen> I've used both kdrive and 'big' Xorg on the beagle, so both KAA and EXA are an option
  389. [18:23:45] <mru> it's been a while since I did any X driver hacking
  390. [18:24:09] <mru> hopefully something will still be familiar
  391. [18:24:42] <kulve> is there any benefits in using kdriver over X.Org?
  392. [18:25:13] <koen> kulve: kdrive is smaller and doesn't require an xorg.conf
  393. [18:25:17] <koen> kulve: that's about it
  394. [18:25:37] <kulve> xorg doensn't require xorg.conf either. The default works in many environments just fine
  395. [18:25:54] <kulve> not sure if you want to select certain driver though..
  396. [18:26:07] <koen> not in all the embedded boards I've used Xorg on
  397. [18:26:48] <koen> the "no xorg.conf needed" meme needs to die
  398. [18:27:10] <koen> that's pretty much only true on keithp's laptop
  399. [18:27:39] <jkridner> angstrom@domU-12-31-38-00-9C-98 /mnt/stuff/tmp/tmp/work/armv6-angstrom-linux-gnueabi/binutils-cross-2.18-r3/binutils-2.18/binutils $ ./configure
  400. [18:27:39] <jkridner> ./configure: line 643: syntax error near unexpected token `newline'
  401. [18:27:40] <jkridner> ./configure: line 643: ` | --oldin | --oldi | --old | --ol | --o!'
  402. [18:28:22] <koen> jkridner: any stray leading spaces or " chars in your local.conf?
  403. [18:28:58] <ali_as> Or edited on a windows machine at any point?
  404. [18:30:14] <jkridner> no, only edited on Linux.
  405. [18:30:21] <hagisbasheruk_> went to dowload http://ewpereira.info/sdr-shell/sdr.20060825.tar.gz to compile and relized i was on windows lol , brb
  406. [18:30:26] <jkridner> I don't see any unmatched "
  407. [18:30:29] * hagisbasheruk_ (n=hagisbas@78.148.135.75) Quit ("Leaving")
  408. [18:31:36] <mru> welcome to autoconf hell
  409. [18:32:16] <koen> mru: if you want to see really awfull autofoo, check the gnash project
  410. [18:32:39] <koen> and that is being lead by the dude that create autofoo :)
  411. [18:32:44] <mru> for some reason, I find that very easy to believe
  412. [18:32:47] <jkridner> a well-placed ')' seems to have configure going along happily.
  413. [18:33:02] <jkridner> not sure how it ended up missing.
  414. [18:33:27] * hagisbasheruk (n=hagisbas@78.148.135.75) has joined #beagle
  415. [18:34:16] <mru> anyway, if I were to start hacking on an X driver, how would you folks recommend managing it?
  416. [18:34:57] <koen> mru: try to get fdo access and publish a git branch
  417. [18:35:02] <mru> should I just set up a git repo somewhere and get going?
  418. [18:35:12] <jkridner> can anyone check if binutils-cross-2.18-r3 is busted?
  419. [18:35:15] <koen> mru: or publish a git branch somewhere else
  420. [18:35:28] <jkridner> Is there a template for the configure script, or is that shipped?
  421. [18:35:37] <jkridner> (probably m4 nonsense, eh?)
  422. [18:35:39] <Crofton> jkridner, I do not think so
  423. [18:35:42] <Crofton> working here
  424. [18:35:51] <mru> koen: and publish a link in somewhere, I presume
  425. [18:36:29] <koen> mru: indeed :)
  426. [18:36:39] <koen> mru: and keep uptodate with upstream
  427. [18:36:48] <mru> goes without saying
  428. [18:37:04] <koen> which shouldn't be too hard since it's a new&seperate driver
  429. [18:37:12] * jkridner is not happy with random additions of ')' to complete a build.
  430. [18:37:37] * mru would be happy if that were all it took to cross-compile some packages
  431. [18:37:45] * ali_as chuckles.
  432. [18:38:03] <Crofton> jkridner, did you pastebin the error message?
  433. [18:38:12] <mru> and yes, most of the problems I've encountered were caused by autoconf
  434. [18:38:14] <mru> or libtool
  435. [18:38:33] <koen> mru: I just finished updating angstrom to libtool 2.2.4
  436. [18:38:51] <koen> 'pain' doesn't come close to describing the abortions I saw people put into their projects
  437. [18:38:56] <jkridner> ugh, ran out of scroll-back buffer.
  438. [18:39:02] * koen is happy with the http://www.flickr.com/photos/koenkooi/1071335452/ he just made
  439. [18:39:26] <mru> wow, can the beagleboard do that?
  440. [18:39:29] <koen> jkridner: tmp/work/armv6/binutuls-cross/temp/log.* has the logs
  441. [18:43:05] * ldesnogu_ is now known as ldes|away
  442. [18:45:17] * like2wise (n=likewise@82-171-51-231.ip.telfort.nl) has joined #beagle
  443. [18:46:40] <jkridner> log was blown away by the new build.
  444. [18:46:47] <koen> it was?
  445. [18:46:58] <Crofton> did you erase tmp
  446. [18:47:00] <koen> did you remove the complete build?
  447. [18:47:00] <jkridner> I only see one "do_compile"
  448. [18:47:22] <Crofton> what is in that?
  449. [18:48:03] <jkridner> a successful compile.
  450. [18:48:46] <jkridner> should it have kept the failed attempt logs?
  451. [18:49:14] <koen> it should have kept all logs
  452. [18:49:19] <Crofton> yeah, they should have pid in the filename
  453. [18:51:03] <jkridner> there is a pid in each filename, but I don't see any failed log files.
  454. [18:51:56] <Crofton> can you run a build and see what happens?
  455. [18:52:18] <jkridner> I am running a build and it is moving along happily.
  456. [18:52:59] <kulve> mru: so, how's your driver proceeding? When can I test it? :)
  457. [18:53:01] <jkridner> At the end of the line I pasted above, I added a ')'.
  458. [19:04:07] <hagisbasheruk> who owns this http://www.flickr.com/photos/32615155@N00/2439256116/ ???
  459. [19:06:49] <hagisbasheruk> the $700 USRP
  460. [19:08:42] <sakoman> I think Crofton is fifi
  461. [19:12:32] * RogerMonk (n=a0740758@nat/ti/x-1286a7f7e04727e0) Quit (Remote closed the connection)
  462. [19:12:45] <Crofton> :)
  463. [19:12:47] <Crofton> yep
  464. [19:14:11] <hagisbasheruk> ahh .... so you have a working SDR using the beagle ?
  465. [19:14:50] <Crofton> not yet
  466. [19:15:06] <hagisbasheruk> i see you like snow/mountains/beer
  467. [19:15:15] <Crofton> :)
  468. [19:16:42] * koen notices the USRP is now down to ???450
  469. [19:16:49] <hagisbasheruk> $700 is a big outlay for a project , you must be an enthusiast , ignore spelling if it is wrong
  470. [19:17:29] <hagisbasheruk> i'll stick with the $20 softrock40 :)
  471. [19:18:03] <koen> depends on what kind of project you are doing
  472. [19:18:14] <Crofton|work> yeah :)
  473. [19:18:18] <hagisbasheruk> :P
  474. [19:18:30] <koen> I'm pretty sure the SDR outfit my department is doing costs way more that ???450
  475. [19:18:45] * koen needs to read up on unicorn radio
  476. [19:19:10] <Crofton> heh
  477. [19:19:37] <hagisbasheruk> lol , there was a pirate station here called Radio Unicorn years ago
  478. [19:19:50] * Crofton saw a talk by Joe Mitola last week
  479. [19:20:23] <koen> Crofton: from UC berkely?
  480. [19:20:32] <Crofton> no, Mitre
  481. [19:20:40] <Crofton> Joe is not a Berkeley type :)
  482. [19:20:43] <koen> ah, linkedin fail
  483. [19:21:13] <koen> http://www.mitre.org/employment/employee_spotlight/joe_mitola.html
  484. [19:21:25] <Crofton> teah
  485. [19:21:27] <Crofton> yeah
  486. [19:22:08] <hagisbasheruk> Now that would heve been very interesting
  487. [19:22:18] <Crofton> he doesn't just talk to "important people"
  488. [19:23:52] <Crofton> jkridner, does this ring a bell?
  489. [19:23:53] <Crofton> http://bugs.openembedded.net/show_bug.cgi?id=4369
  490. [19:24:14] <hagisbasheruk> why the USRP Crofton , whats you mission ?
  491. [19:24:31] <Crofton> I do SDR consulting
  492. [19:24:45] <Crofton> don't read too much into that, at least yet :)
  493. [19:24:53] <hagisbasheruk> ahh .... :P
  494. [19:24:54] <koen> jkridner: is there a davinci equiv. for the beagleboard?
  495. [19:27:02] <hagisbasheruk> do you ever make your own hardware Crofton
  496. [19:27:12] <Crofton> not in a while
  497. [19:28:02] <hagisbasheruk> sorry if am am bugging , it just nice to talk to someone else who knows about SDR
  498. [19:28:03] * koen has had one failed PCB project and refuses to ever touch Orcad again
  499. [19:30:18] <Crofton> no problem
  500. [19:30:34] <hagisbasheruk> what you using now koen ?
  501. [19:30:43] <Crofton> I am tryig to finish some other stuff also
  502. [19:30:44] <koen> nothing :)
  503. [19:30:52] <koen> I stay way from PCB design projects
  504. [19:31:08] <hagisbasheruk> good idea :)
  505. [19:31:50] <koen> I'm soooo happy my matlab code I wrote over 2 years ago has decent comments
  506. [19:32:37] <hagisbasheruk> you should get one of those softrock40's Crofton
  507. [19:33:21] * robclark (n=robclark@nat/ti/x-f083a5ce0601db34) Quit ("Leaving")
  508. [19:34:01] <hagisbasheruk> asm,c,C++ or other koen ?
  509. [19:34:15] <koen> .m
  510. [19:34:45] <hagisbasheruk> math stuff
  511. [19:35:37] <Crofton> hagisbasheruk, yeah, it is on the list of interesting things, however I also have a FT-900 I could use :)
  512. [19:36:30] <hagisbasheruk> nice , i am 2m0UFO , currently about to move to a new house so i am unoperational
  513. [19:38:28] <hagisbasheruk> i only have a FT-747gx
  514. [19:38:52] * koen spots c64x image libraries for matlab
  515. [19:39:49] <hagisbasheruk> but did have a FT-102 for 4 weeks wich developed the dreaded realy faults
  516. [19:41:18] <ds2> C64 makes me think of the Commodore 64, not a DSP ;)
  517. [19:41:36] <ds2> and running matlab on the commodore 64 is "interesting" :)
  518. [19:43:01] <hagisbasheruk> :) i was thinking the same
  519. [19:43:58] * robclark (n=robclark@nat/ti/x-8543f85f93694420) has joined #beagle
  520. [19:45:05] * robclark (n=robclark@nat/ti/x-8543f85f93694420) Quit (Client Quit)
  521. [19:45:21] * robclark (n=robclark@nat/ti/x-ac924c39240feeee) has joined #beagle
  522. [19:45:45] * robclark (n=robclark@nat/ti/x-ac924c39240feeee) Quit (Client Quit)
  523. [19:45:52] * jkridner|work (n=a0321898@nat/ti/x-77595e62c9ff526e) Quit (Remote closed the connection)
  524. [19:45:59] * robclark (n=robclark@nat/ti/x-445010216b3e2630) has joined #beagle
  525. [19:47:12] * jkridner|work (n=a0321898@nat/ti/x-0e843c8c296f0a9a) has joined #beagle
  526. [19:50:38] <Crofton|work> the broadcom?
  527. [19:50:41] <Crofton|work> http://www.thesmokinggun.com/archive/years/2008/0605082nicholas1.html
  528. [19:55:32] <hagisbasheruk> the pilot was forced to don an oxygen mask due to the "marijuana smoke and fumes." Whall
  529. [20:33:32] <jkridner> koen: not per se. I'd say that the OSD2 is the closest to a Beagle equivalent for the DM6446.
  530. [20:38:54] <koen> jkridner: ah, good to know
  531. [20:39:53] <koen> 'night all
  532. [20:41:09] * bazbell (n=a0192809@nat/ti/x-d2e544acd73342f7) Quit (Remote closed the connection)
  533. [20:45:06] <hagisbasheruk> gnight koen
  534. [20:48:58] * bazbell (n=a0192809@nat/ti/x-84eac780b0110299) has joined #beagle
  535. [21:05:53] * like2wise (n=likewise@82-171-51-231.ip.telfort.nl) has left #beagle
  536. [21:09:40] * BThompson (n=BThompso@nat/ti/x-ab672d31f2555623) Quit ("Trillian (http://www.ceruleanstudios.com")
  537. [21:18:57] <ali_as> Is the loss of the USB host port meaningful, or can the OTG port be connected to a hub and have peripherals like an ethernet dongle working?
  538. [21:19:16] <mru> it should be possible
  539. [21:19:31] <mru> you'll need a suitable cable or adapter of course
  540. [21:22:49] <hagisbasheruk> ali_as: The HS USB OTG (OnTheGo) controller on OMAP3 on the BeagleBoard does have support for all the USB 2.0 speeds (LS/FS/HS) and can act as either a host or a gadget/device. The HS USB OTG port is used as the default power input for the BeagleBoard. It is possible to boot the BeagleBoard using this USB port.
  541. [21:23:42] <ali_as> I read that on the wiki. Doesn't quite answer my questions.
  542. [21:24:14] <ali_as> For example, any disadvantage to powering from another source, and is anyone using ethernet currently?
  543. [21:24:27] * ldes|away (n=ldesnogu@ven06-2-82-247-86-183.fbx.proxad.net) Quit ("Leaving")
  544. [21:24:47] <ali_as> I understand koens speed benchmark was less than impressive, also.
  545. [21:25:19] <sakoman> jkridner: hmm . . . seems that there is some relationship between the audio and setting up those vpll values
  546. [21:25:56] <ali_as> I'm after a silent computer to leave on running things like an email server, I'm wondering if this functionality is close to working now.
  547. [21:26:28] <sakoman> if I comment out setting up the vpll values, both audio channels go to pot
  548. [21:26:45] <hagisbasheruk> :(
  549. [21:26:52] <sakoman> if I uncomment them, the right channel comes back
  550. [21:27:02] <sakoman> but the left channel still sounds bad
  551. [21:27:12] <hagisbasheruk> :/ strange
  552. [21:27:29] <ali_as> It's not doing something silly like sending the high byte to one channel and the low byte to another?
  553. [21:27:50] <DJWillis> ali_as: koen's benchmark was for USB Gadget Ethernet (i.e. connected to a PC) if I recall, that's not a lot of use to you if you want a small low power server as you would need a PC on ;-).
  554. [21:28:08] <sakoman> 16 bit samples, signals look just like the data sheet
  555. [21:28:26] <ali_as> I don't understand what USB Gadget Ethernet is.
  556. [21:28:36] <ds2> USB gadget is using the board as a USB device
  557. [21:28:48] <ds2> i.e. it emulates a ethernet interface
  558. [21:28:56] <ali_as> Ok, the PC is tunneling the data?
  559. [21:29:05] <ds2> or terminating it
  560. [21:29:25] <ali_as> Ok.
  561. [21:29:41] <DJWillis> ali_as: Gadget is all USB device stuff, mass storage, ethernet bridge, that sort of stuff.
  562. [21:29:46] <hagisbasheruk> hi DJWillis nice to see you here
  563. [21:30:32] <DJWillis> ali_as: for host stuff you would just plug in a Linux supported USB 1 or 2 Ethernet device and away you go, make sure you have drivers, bring up the interface and serve away ;-)
  564. [21:30:38] <DJWillis> hagisbasheruk: hi
  565. [21:32:23] <ds2> hmm didn't know the 3430 can do 800MHz Hmmmm
  566. [21:32:44] <ali_as> That would be a long way over my head currently, I'm thinking I will need to wait before the beagle is far enough along that I can use it.
  567. [21:33:01] <ali_as> Which is a shame as I'll need to find something else to do the job.
  568. [21:35:16] <ali_as> While people are awake, I'm still after GPIO toggle timings if anyone knows where to look?
  569. [21:35:55] <ds2> there is a OMAP3440?
  570. [21:38:49] <DJWillis> ali_as: can't help you with that I am afraid, well know exactly where to look anyway. On that note, night all.
  571. [21:39:10] <hagisbasheruk> gn DJWillis
  572. [21:39:12] <ali_as> Night DJ.
  573. [21:39:39] <ds2> get a webpal board and add a ISA ethernet card
  574. [21:39:47] <ds2> no fans, cheapboard
  575. [21:40:14] <prpplague> good system
  576. [21:42:01] <ali_as> Might be a bit fringe, I'm thinking of an email server, IRC client, Pidgin, at the moment.
  577. [21:42:26] <ali_as> I'm wondering if an x86 board might save a lot of hassle.
  578. [21:42:48] <mru> the last x86 board I bought had a horribly broken bios
  579. [21:42:58] <mru> the setup program crashes 9 times of 10
  580. [21:43:08] <ds2> it may but then your electricity bill may burn a big hole in your pocket ;)
  581. [21:43:09] <mru> besides, ARM is much more fun
  582. [21:44:34] <ali_as> I like ARM, but linux is going to cause me tremendous learning curve climbing as it is.
  583. [21:44:38] * mru curses over autohell
  584. [21:48:18] <suihkulokki> just as I was here, working around the broken thinkpad bios
  585. [21:48:43] <suihkulokki> (BIOS hiding hrtimer because windows XP doesn't support it. SIGH)
  586. [22:02:27] * ferret_0567 (n=ferret_0@unaffiliated/ferret0567/x-681468) has joined #beagle
  587. [22:05:30] * RogerMonk (n=a0740758@nat/ti/x-a56d7b9da8c47bfa) has joined #beagle
  588. [22:08:20] * bazbell (n=a0192809@nat/ti/x-84eac780b0110299) Quit ("Leaving.")
  589. [22:08:38] * NishanthM (n=nmenon@nat/ti/x-e9c5e1c39e00817d) Quit ("Ex-Chat")
  590. [22:12:45] <hagisbasheruk> http://www.flickr.com/photos/jadon/2285994780/in/pool-beagleboard dive dive dive :P
  591. [22:30:21] * prpplague (n=dave@mail.americanmicrosystems.com) Quit ("Leaving")
  592. [22:30:34] * BThompson (n=BThompso@cpe-76-185-93-11.tx.res.rr.com) has joined #beagle
  593. [22:47:25] <hagisbasheruk> bedtime here ,goodnight folks
  594. [22:47:34] * hagisbasheruk (n=hagisbas@78.148.135.75) Quit (Remote closed the connection)
  595. [22:53:55] * RogerMon1 (n=a0740758@nat/ti/x-a343ff9921460451) has joined #beagle
  596. [22:54:50] <mru> arrrghh, X server insists on having mesa built, mesa contains c++, and the c++ cross compiler won't build because of autoconf
  597. [22:58:46] * RogerMonk (n=a0740758@nat/ti/x-a56d7b9da8c47bfa) Quit (Remote closed the connection)
  598. [23:02:55] * robclark (n=robclark@nat/ti/x-445010216b3e2630) Quit (Remote closed the connection)
  599. [23:35:16] * bazbell (n=a0192809@nat/ti/x-8c63acd87ae003e2) has joined #beagle

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