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#rockbox log for 2011-03-29

00:00:04funm4nthere are not much settings
00:00:18funm4niiuc the timings are given by the RAM manufacturers
00:00:44saratogai was wondering about the Buffer enable register, i think that might be useful to enable
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00:02:19funm4nisn't it enabled already? (line 108 of memory-init.S)
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00:04:05saratogafunm4n: bah sorry was looking further up
00:04:09boghogbertrik, one thing I notice is that with patch applied, speed of microSD 1 (not sure if that is the external one) is now 25mbit/s, which I think was 50mbit/s before, not sure if that matters
00:04:16saratogadidn't realize we read back the register and orr'ed
00:04:42rigolettoboghog, yes... that was what i saw too... its on purpose
00:05:02rigolettobertrik rigoletto, correct, the patch disables switching the card into high speed mode. The code to set high-speed mode is less than half done (the sd controller itself is still running at normal speed); it's not actually getting slower now.
00:05:23boghogah ok
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00:20:50boghogbertrik, tested kingston, transcend, and sandisk microSDs of 2/4/8 GB sizes, all seemed to work fine
00:21:38bertrikgreat, thanks, I think I'll commit it tomorrow
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00:31:52wtachidoes .iram contain code too?
00:33:08gevaertsI think the .iram section is data only. There's also .icode however
00:34:06wtachiah, that's it, Clipv2 doesn't use .icode so I missed it
00:35:06wtachiwait, it does, it just combines them in the link-script
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00:38:41saratogathe clipv2 is weird because it has a very large amount of IRAM thats not much different then DRAM
00:38:50saratogaon most targets theres not much IRAM, but its very fast
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00:40:21wtachiI guess I should use a more typical platform as an example then
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09:08:23kugelpi want to apply for relocatable plugins
09:08:23kugelpis there any thing I should know or consider?
09:09:08kugelpwe talked about it multiple times already, so I have an idea what it will be about
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09:12:25kugelpI'm also wondering if new students are preferred, as I participated for us last year
09:13:13***Saving seen data "./dancer.seen"
09:13:23B4gderwell, new students might be preferred all things equal, but we really prefer N really good students+proposals
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09:19:27kugelpassuming I manage to implement reloctable plugins, what would be a good first use of the new capabilities?
09:20:36kugelpI'm thinking of pebbles, metadata parser on audio buffer or battery bench in the background
09:22:00n1sthe battery bench thing sounds easier while it will still be truly useful so i'd go for that
09:24:50kugelpmultiple plugins probably requires more work from the UI perspective
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09:26:45JdGordon|I tihnk mulitple plugins is a completly pointless excersize untill we have a better buffer management mechanism...
09:27:09JdGordon|even automatically stopping/restarting audio to make it work is better than now
09:27:46JdGordon|I also dont think relocatable plugins are big enough for gsoc
09:29:26kugelpthat's why I ask for a good first use
09:30:37kugelpwe could also run codecs from the audio buffer
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09:32:10kugelpa better buffering solution would be part of the project if needed
09:32:10kugelp(i think)
09:33:16JdGordon|I'd kill for the buflib gsoc project to happen
09:34:55JdGordon|pulling more stuff out of the core into plugins could make for some very intersting projects though *if* we had better buf management
09:35:19kugelpI try that also. I find both interesting
09:35:34JdGordon|I'm sure someone wants a stupid wps system if the bloaty skin system could be swapped out
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09:45:31n1si imagine the first step for relocatable plugins as a mechanism for separating stuff out from the core too, multiple UI plugins will need more work and more thinking
09:46:00n1sand then we will have to call them apps
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09:55:46wodz|workThe ability to call plugins apps will be very interesting as this will loosen licensing restrictions (aka eSpeak problem)
09:56:38n1swodz|work: just calling them apps won't change anything, we will need to change the way they run more profoundly too
09:57:14wodz|worksure, but the relocating loader is the first step
09:57:33n1siirc to be real applications so as to not need to be gpl compatible the need to run in their own process and not be linked to the core
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09:58:56wodz|workis the term 'process' strictly described from the legal point of view?
09:59:11gevaertsn1s: I'd say that technically we define what such a process is
10:00:34kugelanyway, nobody appears to want write proprietary apps for rockbox
10:02:42n1sgevaerts: yes, probably
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10:02:57kugelthe other problem is our headers which we export to plugins; they're GPL'd too. So we'd need a linux like "this header contains no copyright-able stuff, use it in whatever way you like"
10:03:05n1skugel: but it would relax the license compatibility requirement, as wodz|work stated
10:03:25gevaertsright now we don't have a clearly defined API. As long as that's the case, there's not much to say
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11:05:41gevaertsAlexP, soap: b8glbnab81 needs banning
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11:07:04*B4gder volunteers to do the dirty work
11:10:32JdGordon|gevaerts: any idea how hard it would be to build just plugins at the end of a build to use different LCD_EIDTH/HEIGHT values?
11:10:40JdGordon|Zagor: too probably?
11:11:10gevaertsnot trivial
11:11:15Zagorbuild plugins with different LCD* than the core binary?
11:11:29kugeldynamic lcd for the core but not for the plugins?
11:11:59Zagorit would require separate dependencies
11:12:24JdGordon|what if that define didnt come from config.h?
11:12:37kugelif you need rb->lcd_width, then you can #ifdef PLUGIN
11:12:37kugel#define LCD_WIDTH YYY
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11:13:43JdGordon|unless I'm hugely mistaken, the only tihng really stopping me enabling dynamic on android and sdl is that it means plugins are taken out of the ubild again
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11:14:49kugelI thought you didn't want to enable it on android?
11:15:35JdGordon|only because i didnt want to do the code to make it work. mceulenrees(sp?) patch works and now im only not commiting it because i dont want the inevitable fight
11:16:49JdGordon|for some reason the patch breaks with it disabled on android
11:21:20JdGordon|unless I'm mistaken?
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11:35:34wodz|workAm I correct that such arm snippet will jump if r3 >= 0x40: cmp r3, 0x40 bcc somewhere
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11:49:58kugelwodz|work: try to avoid carry flag things, it's not entirely consistent across archs and therefore always confusing :)
11:51:18wodz|workI can't avoid this as I am working on dissasembly :-)
11:58:35n1si don't remember exactly but i'd expect it to jump when r3 != 0
11:58:41n1seh != 0x40
11:59:33wodz|workit's driving me mad
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12:05:07n1ssorry, i'm wrong, bcc is branch if carry flag is clear
12:07:38wodz|workn1s: so am I right or not?
12:10:09n1shonestly i don't know
12:10:25wodz|workis there something like easy68k for ARM?
12:11:10n1sno idea what that is, the c flag is set if NO borrow occurs in the subtraction but they broke the coffee machine here so my brain doesn
12:11:13n1st work
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12:16:41n1saha "Therefore, if the subtrahend is less or equal to the minuend (treating both operands as unsigned), the carry flag is set."
12:17:26n1sso yes, i think you are right and sorry for the confusion
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12:20:27JdGordon|woops :p
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12:21:58n1sso bcc is the same as blo
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12:54:56silbowould it be cool to run Rockbox on Juicebox ?
12:57:39Zagorsilbo: sure!
12:59:23silbobut would it make sense to do it?
12:59:38Zagordefine sense :-)
13:03:59B4gderdon't count on a lot of other people to join such an effort though...
13:04:25B4gdera 66MHz ARM7TDMI outdated target
13:04:44wodz|workZagor: does rb holds license for Hex-Rays IDA or Hex-Rays Decompiler?
13:04:57Zagorwodz|work: no
13:06:22wodz|workZagor: ARM decompiler part looks interesting:
13:08:35Zagorperhaps, but rockbox is not an organization that can own a license
13:10:55wodz|workThat's always the thing to be discussed with the vendor I think
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13:13:25B4gder1700 euros, minimum
13:13:37B4gderfor arm only
13:15:06pamaurylet's write our own arm decompiler !
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13:15:06B4gderand I think you need the ida pro base packet first, at some 1200 or so
13:15:18pamauryyeah, the hex-ray package is an addon I think
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13:25:51silboZagor: I mean like would somebody benefit of it and the community be interested in it
13:26:47B4gderthe benefit is mostly with owners of such devices, and that's also the community that might be interested. if there are any =)
13:27:24B4gderbut it is a fairly low end device so the optimizations and quirks required may benefit others of course
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13:29:08silbowould it be a good GSoC project ? xD
13:33:59gevaertsWe don't like ports as GSoC projects
13:33:59gevaertstoo risky
13:33:59wodz|workgeneraly we try to avoid 'porting' projects I think
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13:33:59B4gderpossibly, but new ports are HARD and not that suitable
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13:33:59B4gderwe had one porting gsoc project in the past, and it serves to prove this rule is good...
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14:03:43amiconnWasn't raaa a gsoc project? That's a port
14:03:59B4gdertrue, and a successful one
14:04:43B4gderbut a different kind of port I would say
14:05:17B4gdernot so much revere-engineering and figuring out hardware
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14:12:47silboso what is the main objective of rockbox right now?
14:13:20silboto make it faster, less power consuming, to promote it or etc. ?
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14:19:15B4gderWe don't have such a main objective really. we don't have any central control/master of the project and we haven't asked that question to the developers
14:19:44B4gderso I would assume you'd get different answers depending on which devs you ask
14:20:53Zagorthe main objective is, and always has been, to have fun
14:21:09Zagorthat means different things to different developers
14:21:44Zagorand different things to each developer at different times :-)
14:24:42TheSevenanyone with an ipod classic and a windows machine with itunes installed around?
14:24:48TheSeveni need a guinea pig :)
14:25:54gevaertsSurely the objective is to build towers?
14:26:49Zagorgevaerts: that is merely a means to reaching the objective
14:26:59silboWhat kind sensors do the latest IPODs have?
14:27:11gevaertsZagor: you mean if the objective is rather high up? :)
14:27:57Zagorsilbo: proximity, light and direction iirc
14:28:43TheSevensilbo: what kind of ipods? touch?
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14:29:00silboZAgor, TheSeven: the latest
14:29:20silboand rockbox has drivers for using those?
14:29:28TheSeventhe latest ipod nano, ipod classic, or ipod touch?
14:29:43Zagorsilbo: rockbox doesn't run on it at all
14:29:56TheSeventhe only "latest" model that's currently somewhat working is from the ipod classic line
14:30:05Zagorright, I meant the touch
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14:30:19TheSeventhe the classics don't have any funky sensors
14:30:50TheSevenand we have access to the ipod nano 4g's accelerometer, but rockbox doesn't run on that one yet
14:31:22silbowould be fun to play with an accelerometer
14:31:57B4gdergo android! =)
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15:16:01tguinotAnyone know who is the potential mentor of that subject? :
15:17:41Tornewe'll find somebody. you can talk to anyone here about it.
15:19:21Tornei assume you're interested in applying :)
15:19:27tguinotthis subject nterest me but there is a lot of thing i must know before applying
15:20:05Tornewell, ask any questions you have. i'll answer if i can, or someone else will :)
15:21:12tguinotI think all testing devices should be own by me before applying (oscilloscpe, probes etc..) but does have to buy one dock and/or a new ipod?
15:22:01tguinotbecause it is a important amount of money so i must prepare ;]
15:22:21tguinot(and yes i suck at english sorry)
15:24:19tguinotmaybe mentors can lend some devices to the student
15:26:30TorneMostly, unsupported docks/accessories/etc are unsupported because no developer has one :)
15:27:12S_a_i_n_tIsn't the student expected to cover those costs?
15:27:22S_a_i_n_tI mean, Google accomodates for this no?
15:27:23Tornei suspect we were assuming that the student would have some devices
15:27:27Torneor would be able to get some
15:27:47Tornethere are probably developers willing to lend *some* hardware, but i wouldn't count on it in your proposal
15:29:58Tornesomeone else may be able to comment more ;)
15:30:00tguinotthat's not a problem, but i had to know befre :]
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17:55:55*TheSeven has an "easy installation" solution for the ipod classic on windows
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18:04:31[Saint]TheSeven: Half the internet just breathed a sigh of relief ;)
18:05:09[Saint]now wait for the flood of winpod Classic owners
18:06:50*TheSeven wonders if he should try to figure out what's messing up dualboot
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18:39:23webguest57could somone help me please
18:39:50[Saint]Only if you ask a question first.
18:40:11[Saint]and only about ROckbox ;)
18:40:36webguest57i am trying to use svn to download source code
18:40:58webguest57i am usin vmware with rockbox o windows
18:41:28webguest57and it dosent show up nothing on the screen
18:41:55webguest57wwhat i am spous to do next?
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18:42:45[Saint]what are the steps you are taking to check out the source?
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18:44:31webguest57svn co svn:// rockbox
18:45:26[Saint]after that, if you do "ls" is there *anything* in the folder you're checking out to?
18:46:21webguest57now its writen cant connect to host
18:46:32webguest57conection time out
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18:46:48[Saint]Is this machine firewalled, and if so, is there an exception for VMware created?
18:49:00webguest57does win7 have a buildin firwall?
18:49:30[Saint]I would say so ;)
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18:51:23webguest57no, the windows firwall alows this program
18:52:05[Saint]Sorry, I'm out of ideas then. I don't know what is/isn't included in the VMware image from the wiki
18:52:34webguest57thanks anyway
18:53:19webguest57im trying now run as admin
18:54:11[Saint]Oh, *derp*...I kinda assumed you had admin priveledges.
18:54:26[Saint]Yes, that may indeed make quite some difference.
18:55:48webguest57do you know how can i make original OF run first
18:56:07[Saint]For what target?
18:57:06webguest57when the player powers up i want it to boot the OF
18:57:31[Saint]Yes, but for which device?
18:57:42webguest57sansa clip plus
18:58:32[Saint]Not I personally, I know very little of the Sansa players, let alone the way the bootloader magic works there.
18:58:57[Saint]A Sansa guru will pop in eventually. Sooner or later if you just idle.
18:59:32saratogaits hard enough on the clip that you probably can't
18:59:35*Strife89 uses a Clip+
19:00:13Strife89... Ah, I'm not that kind of guru
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19:15:08webguest57any sansa clip guru online?
19:16:21u42pjust ask the question, that way no-one has to feel obliged to answer (after saying "me") and random people might know the answer even if they do not feel like a guru
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19:18:14Strife89<webguest57> when the player powers up i want it to boot the OF
19:18:32Strife89By default, assumingly.
19:19:30Strife89If you just want to boot to the OF on occasion, hold << [Previous, or Left] while powering on, or just plug it into a computer without pressing any buttons
19:23:03webguest57no, i want it to boot as default
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19:39:11webguest39how can i make bootloader boot the OF first
19:39:22webguest39i am using sansa clip plus
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19:41:15AlexPYou would need to edit the code to reverse the logic, then compile yourself a bootloader
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19:41:42webguest39thats i know
19:42:32webguest39any other way to do this?
19:42:59webguest39or use somthing ready
19:43:18webguest39like e200
19:43:57Bagderrockbox defaults to rockbox on all targets
19:45:20saratogawebguest39: <saratoga> its hard enough on the clip that you probably can't
19:50:10Hindusaratoga : ?
19:51:20Hindu saratoga : I wanted to work on MP3 codec optimisation & participate in GSOC
19:51:34saratogayeah, we talked about that the other day
19:51:39Hindu saratoga : I already had a conversation with you...
19:52:27Hindu saratoga : I wanted to ask that will the MP3 codec optimisation project be sufficient as a GSoC project
19:53:21saratogai think that one may be a poor choice for you since its fairly difficult and you didn't have much experience with dsp or assembly programming
19:53:43Hindu saratoga : Oh I am really sorry for that
19:54:10saratogathe AAC one might be easier since the AAC code is in much worse shape and is likely to need less understanding of the underlying math to improve
19:54:30Hindu saratoga : That day , I was a little nervous but then I realized that I could have told you something
19:54:30 Quit webguest39 (Quit: CGI:IRC (EOF))
19:55:21Hindu saratoga : and hah underlying maths is what an important factor which interests me to apply for this
19:55:56saratogawell if you haven't taken the underlying coursework, i think it would be quite difficult to learn during the summer
19:56:23Hindu saratoga : Although , I actually have some experience in Assembly language
19:57:01Hindu saratoga : And I am studying DSP right now , getting something out of it and it really interests me
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19:58:43Hindu saratoga : Just because I really want to be a contributor to this organisation
19:59:27saratogaHindu: which assembly language?
20:00:01HinduAh , I worked on 8085 and 8086 Microprocessors
20:00:19Hindu saratoga : Most of it was a practical course
20:01:19Hindu saratoga : But yeah , It was assembly language programming
20:01:37saratogaah ok, so learning arm wouldn't be too hard for you
20:02:01Hindu saratoga : I f you suggest , think so
20:02:16 Quit einhirn (Quit: Miranda IM! Smaller, Faster, Easier.
20:02:34Hindu saratoga : But I am a really hard worker , & I will definitely learn it
20:02:47Hindu saratoga : Please dont mind my English
20:02:59saratogawe just don't want to give you a project you aren't prepared for
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20:03:46Hindu saratoga : Well , I was actually interested in Codecs understanding projects
20:04:00Hindu saratoga : But what do you suggest for me?
20:06:26Hindu saratoga : I seriously feel that I will be able to manage the project....
20:09:23saratogayou said before you'd done some signal processing things right?
20:10:08Hindu saratoga : I am studying actually .......Coz it was not in my course before
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20:10:34saratoganothing at all on signal processing?
20:10:55Hindu saratoga : nopes , I know the basics ( I think)
20:10:56saratogaor theory of linear systems
20:11:07AlexPHindu: I've got a bit confused about what you have done, what you haven't done, and what you are currently doing - it might be helpful to just write down what those are, and let us have it
20:11:37HinduAlexP : sure :)
20:11:47AlexPthanks :)
20:12:13Hindu saratoga : yeas
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20:14:39Hindu saratoga : Well, I know some signal processing and more theory of linear systems ( Plz pardon if u didnt get it)
20:15:24saratogacould you explain what you've done already?
20:17:03Hindu saratoga : yeah , I was looking into how the analog signals are sampled, digital signals are handled
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20:17:24Hindu saratoga : i.e. how are they transformed , used for data storage
20:18:06Hindu saratoga : the fourier analysis , Convolution , Filters and etc
20:18:25saratogahave you taken courses in those subjects?
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20:19:04Hindu saratoga : How to & why to work upon Fixed point arithmeti
20:19:52saratogaHindu: I'm curious abotu what you've actually studied in school, could you explain that?
20:20:17Hindu saratoga : Just introductory, will study in depth as per their need
20:20:34Hindu saratoga : OK , I get it
20:20:53Hindu saratoga : In school , I had an Operating systems course
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20:21:06Hindu saratoga : Artfifcial Intelligence
20:21:25Hindu saratoga : Algorithms , Data structures
20:21:44Hindu saratoga : Software Engineering
20:21:53Hindu saratoga : Networking going on
20:22:11Hindu saratoga : Computer Architecture
20:22:41Hindu saratoga : Microprocessors
20:22:42saratogawhat did you learn in that class?
20:22:55Hindu saratoga : these 8085 and 8086
20:23:05saratogawhat about them?
20:23:52Hindu saratoga : yeah , we were taught about programming on these microprocessors
20:24:14Hindu saratoga : their Instruction sets ,
20:24:22Hindu saratoga : processing modes
20:24:42Hindu saratoga : interrupts handling etc....
20:25:18saratogaah ok
20:25:40saratogainteresting choice of processor for a class like that
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20:26:30Hindu saratoga : programming some smaller codes in assembly language for stuffs like
20:26:44Hindu saratoga : why so ? :)
20:27:12Bagderbecause nobody has used them for 20 years? =)
20:27:29saratogausually courses like that are in either easy to understand systems like MIPS, or widely used cheap microcontrollers like PIC or HC1X
20:27:46Hindu saratoga : hah , they seem old but they are the basics....
20:27:58kugelyou don't need to buy extra boards if you teach 8086 :)
20:27:59BagderHindu: they're not really "typical" though
20:28:16saratogakugel: well i think you'd emulate it, just like MIPS
20:28:18Bagderwith the weirdo registers bound to particular instructions etc
20:28:21Hindu saratoga : with very much limited memory and other hardware capabilities
20:28:22*kugel has also had his assembly course with 8086
20:29:44Hindu saratoga : Oh that feels nice , I have got some1 with me on that point
20:32:46Hindu saratoga : & We used other boards , those made by vinytics
20:33:32Hindu saratoga : As kugel commented , for performing simulation of Traffic lights , & others like that
20:34:04Hindu saratoga : which were attached as peripherals to the main 8086 MPs
20:34:40kugelHindu: I don't think you need to put saratoga's nick into every message
20:35:08Hinduok :)
20:36:33HinduBadger : yeah , those registers are bound to special functions but they enhance the processings, think so
20:38:30HinduBTW , I also worked on parallel computing
20:43:25Hindu saratoga :So, Any suggestions for me to be competent,( although I think that I bear enough capabilities .....:) )
20:44:41Hindu saratoga : coz I really didnt commit for anything this summer just for this and I want to work my best now to get this
20:45:28saratoganot right now, although hopefully mt can talk to you about codec projects in a few minutes (hes done a few recently)
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21:07:08mtHindu: Just looked at your FLAC fix, but I don't get what the added check is for.
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21:13:42mtHindu: Could you elaborate a little on what it does and why you did it that way ?
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22:26:38stripwaxsaratoga: pong
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22:37:48CIA-48New commit by bertrik (r29660): AMSv2 sd: do not try to switch sd cards into high-speed mode. ...
22:38:59stripwaxmt/Hindu - if you're discussing that FLAC patch I'd like to chat with you also...
22:41:27CIA-48r29660 build result: All green
22:42:11bertrikbah, committed too much
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22:42:37saratogahaha test_* strikes again
22:44:14CIA-48New commit by bertrik (r29661): Revert accidental commit of apps/plugins/SOURCES
22:44:57n1sbertrik: you know you can enable the test plugins in configure so you don't need to edit sources, right?
22:45:15saratogawhats the command to do that?
22:45:22bertrikno, somebody might have told me that, but I likely forgot
22:45:29n1sit's under advanced
22:48:50CIA-48r29661 build result: All green
22:54:24bertrikThere's a thread on the abi forums about a new kind of clip+, which has a polarized "lens"
22:54:25Bagder obviously lists Rockbox ...
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23:03:48bertriksideral, here's a report here of improvement in the ticking noises for clipv2 with recent builds:
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23:19:13kugeldid things move w.r.t. to android in the build system?
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23:29:09Hindumt : sorry , I was away coz I have exams tomorrow
23:30:05mtHindu: No problem, we can discuss that later.
23:30:19Hinduok :)
23:31:02Hindumt : I have no problem now , Coz i have finished my work
23:33:23Hindumt : Actually when i analysed the entire flow of data in the decoder files , I conluded that the filter was not stable....
23:34:08mt(stripwax wanted to discuss that too)
23:34:41HinduI didnt think of using Reflection co-efficients to verify the stablity of that filter
23:35:57HinduHence , vaguely I did something that could solve the problem for while being
23:36:18HinduBut it had serious impacts on the performance ...
23:37:05HinduSo , I think it was not good...:)
23:40:37mta seemingly stupid question, How did you decide the filter was unstable ?
23:41:10mtDid you plot/analyze some data dumps for example ?
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23:42:41stripwaxalso Hindu - what did you use to measure the impact on performance?
23:43:45Hindustripwax : well , I didnt use anything , It was obvious that it would have.....
23:44:05Hinducoz of so many if's involved
23:45:03Hinduin the for loops
23:45:29mta compare/branch and a shift wouldn't have that much negative impact on performance. (Calculating powers with loops would though ..)
23:46:21stripwaxright - I don't think it's necessarily "obvious" that adding ifs to code has "serious" impacts on performance. it comes down to a question of scale, right? how many new instructions are being added as a proportion of total instructions executed in each iteration of the loop, for example.
23:46:36HinduAh , that was really bad even for me , but I even submitted a 2nd one
23:47:13mtBtw, for performance tests, we use the test_codec plugin. And it has usually proven speculation wrong. ;)
23:47:23Hinduand you are true stripwax , but those were really large no. of comparisons
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23:47:54saratogaon Clip+ it was a little slower, about 1MHz or so
23:48:38HinduYeah , it was really
23:49:55mtHindu: Regarding the optimization project, what sort of optimizations are you planning to focus on ? There are algorithmic oprimizations and target-specific ones. (The former entails good grasp of DSP while the latter needs more knowledge of the target architecture and instruction set)
23:50:21Hinduand stripwax : I was so wrong calculating the powers of 2 but now I know the idea behind fixed point arithmatic :)
23:51:04HinduI plan for the algorithmic optimizations ,
23:51:05mtNormally you would do both in such a project, but I just meant to make it clear that you need to pick up more stuff in both areas.
23:51:18mt*you would need ...
23:51:56HinduYeah , I would love to
23:53:15Hinduand regarding optimisations , both algorithmic and target specifics interests me ....
23:53:57HinduSo , I will go for the complete optimisation ..
23:54:24HinduAnd , mt : what would I need ??
23:54:37stripwaxHindu - quick quiz - describe one algorithm that is bad (and describe why it is bad) and describe a better algorithm (and describe why it is better). you can pick any algo you like.
23:55:03HinduI willl go for sorting algo
23:55:39 Quit Keripo (Quit: Leaving.)
23:55:41Hinduquicksort is better than selection sort
23:55:48stripwaxactually, Hindu: do you want to do this on private message with me
23:56:42stripwaxthanks. just so we can keep #rockbox for on-topic rockbox discussions :-)
23:56:53HinduIn selection sort , we pick up[ p the smallest every time and put it in the start
23:57:03stripwaxprivate message to me please.
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