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| 00:30.49 | g1powermac | man, this LED gets bright. . . |
| 00:31.07 | g1powermac | semi blinded himself looking at it pulsating :-) |
| 00:33.48 | ds2 | over driving LEDs can drastically shorten their life times! |
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| 00:35.30 | g1powermac_PB | ya, I know, I'm not over driving it |
| 00:35.51 | g1powermac_PB | at least the LED controller shouldn't be overdriving it |
| 00:36.34 | g1powermac_PB | the controller has a reference pin that you hook up to ground using a resistor |
| 00:36.38 | ds2 | are you using those Luxeon 1w LEDs? |
| 00:36.55 | g1powermac_PB | the resistor value tells the controller how bright you want it |
| 00:37.02 | g1powermac_PB | heh, no, just a standard red led |
| 00:37.08 | ds2 | ah |
| 00:37.15 | ds2 | sounds like they are doing a current mirror |
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| 10:21.00 | shaz | hi, I need to know the variable names for the for individual tools from my toolchain for make and Makefiles |
| 10:21.05 | shaz | like CC and AR |
| 10:21.08 | shaz | ? |
| 10:44.47 | mnemoc | RANLIB, STRIP, LD, CXX |
| 10:44.53 | mnemoc | MAKE |
| 10:44.55 | mnemoc | LIBTOOL |
| 10:46.14 | mnemoc | but the most important one, DESTDIR :p |
| 10:49.25 | shaz | right |
| 10:49.49 | shaz | if the makefile does not have these variables would it still work? |
| 10:50.31 | shaz | what can be the possible value for MAKE=<have no idea> |
| 11:04.51 | shaz | MNEMOC can you suggest some tutorial or other to the point literature in this context |
| 11:05.21 | shaz | I am porting some applications and have limited cross compile understanding |
| 11:05.47 | shaz | maybe a tutorial on porting x86 apps to arm |
| 11:05.51 | shaz | ? |
| 11:08.28 | mnemoc | MAKE=make, .... and DESTDIR=(empty) are goot default |
| 11:08.58 | mnemoc | the best "tutorial" is to look at Makefiles of already cross-compiling friendly packages ,-) |
| 11:09.08 | mnemoc | i have to go |
| 11:09.19 | mnemoc | good luck shaz |
| 11:13.50 | *** join/#edev g1powermac_PB (n=g1powerm@unaffiliated/g1powermac) |
| 11:21.57 | shaz | thanx take care |
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| 11:47.54 | shaz | PRPPLAGUE sorry missed ur greetings |
| 11:48.47 | shaz | I am new to embedded arm based stuff and have been assigned porting some applications |
| 11:49.46 | shaz | I am finding difficulties to handle a makefile so am curious regarding the porting strategy |
| 11:50.09 | shaz | was'nt able to find a comprehensive help from google! |
| 11:50.23 | shaz | can anyone give me some useful pointers |
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| 14:34.46 | g1powermac | well, that was interesting |
| 14:35.51 | g1powermac | I was having some weird power issues with my 9v power brick, so I scavenged up an old 12v brick meant for a linksys router that would fit the power plug on my breadboarded circuit |
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| 14:36.19 | g1powermac | this supply definitely works alot better but its far from regulated, under no load the thing actually produces 17v |
| 14:36.41 | chouimat | morning |
| 14:37.05 | g1powermac | so to save my power 5v regulator on the breadboard, I wired up 8 rectifiers in series to drop the voltage down to about 9v when the brick is under load :-) |
| 14:39.12 | g1powermac | morning chouimat |
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| 19:41.35 | RobotGuy | Beep beep |
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| 19:51.49 | prpplague | RobotGUI back online? |
| 20:00.29 | RobotGUI | prpplague: Yes, just got back on today. :) |
| 20:00.39 | RobotGUI | My ISP is wonderful |
| 20:01.27 | RobotGuy | prpplague: I've been tinkerin' with Hammer software. :) |
| 20:01.47 | RobotGuy | I also spent 3 days at OSCON, but the first day was a waste. |
| 20:06.16 | RobotGuy | prpplague: How is everything with you? |
| 20:18.20 | prpplague | ssdd |
| 20:20.26 | g1powermac | hey RobotGuy |
| 20:21.41 | RobotGuy | g1powermac: Hi! |
| 20:21.53 | g1powermac | hah |
| 20:22.13 | g1powermac | loves how the discovery channel takes complete bbc shows and stick them on their channels with little changes |
| 20:22.38 | RobotGuy | Is that good? |
| 20:22.51 | g1powermac | as long as its a good show :-) |
| 20:23.33 | g1powermac | though it does make it a bit interesting when searching for info about the show as you're led to BBC stuff thinking it was really a discovery channel show |
| 20:24.03 | RobotGuy | OSCON was decent. |
| 20:24.14 | RobotGuy | I met some interesting people.. |
| 20:26.13 | prpplague | RobotGuy solar said he met you there |
| 20:26.36 | RobotGuy | prpplague: Yes, we met. :) |
| 20:27.01 | g1powermac | RobotGuy, this is the show I saw: http://www.bbc.co.uk/sn/tvradio/programmes/horizon/broadband/tx/decisions/highlights/ |
| 20:27.22 | g1powermac | the most interesting part though of the show is toward the end of the highlights video |
| 20:27.49 | g1powermac | show Dean Radin's experiment |
| 20:29.38 | prpplague | g1powermac i checked on your package again this morning, it's still scheduled for tuesday |
| 20:29.45 | g1powermac | *showing |
| 20:29.51 | g1powermac | prpplague, k, cool |
| 20:30.43 | g1powermac | really wonders about his typos. . . |
| 20:31.27 | g1powermac | I always seem to either skip words or endings of words or write words that pronounced similarly but are totally different in meaning |
| 20:31.59 | g1powermac | never just a simple spelling mistake. . .meh |
| 20:38.05 | RobotGuy | I am the same way, I think. |
| 20:38.16 | RobotGuy | It was really cool meeting solar. |
| 20:40.37 | prpplague | RobotGuy he have his nail board with him? |
| 20:41.04 | RobotGuy | prpplague: I think he did. I had mine with me. :) |
| 20:41.21 | RobotGuy | I had W.A.L.T.E.R. with me on Wednesday too. |
| 20:42.16 | RobotGuy | I had an opportunity to show mine off a bit. |
| 20:42.29 | RobotGuy | Well, a couple opportunities. :) |
| 20:44.58 | g1powermac_PB | RobotGuy: nice |
| 20:47.14 | prpplague | hmm, i wonder if there is a searchable kernel source online somewhere |
| 20:49.25 | RobotGuy | I don't know, but I would be surprised if that did not exist somewhere. |
| 20:49.42 | RobotGuy | Can't you search the source on your machine? |
| 20:51.14 | prpplague | RobotGuy i can if i have every rev of the source i want to search |
| 20:51.28 | RobotGuy | Oh, OK. Good point. |
| 20:58.36 | prpplague | http://lxr.linux.no |
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| 21:11.08 | RobotGuy | Hee hee, I made the kernel go OOPs.. |
| 21:18.47 | RobotGuy | I have removed everything I can from my image and I am right on the very edge of flash space now. I still need two, and preferrably three more packages. I've even removed some stuff I need for dev. |
| 21:22.51 | RobotGuy | I'd need at least double the flash to get everything I need onto Hammer. |
| 21:23.02 | RobotGuy | 32 MB Flash would work very well. |
| 21:23.40 | RobotGuy | As long as I didn't need a native toolchain to install something. In that case, I'd need 64 MB flash. |
| 21:23.42 | prpplague | add a sd card orthumb drive |
| 21:24.36 | RobotGuy | I am trying to make W.A.L.T.E.R. self contained, with no added stuff except a WiFi dongle. He would just have lower level behaviors and no web interface if there was not a thumb drive connected. |
| 21:25.30 | prpplague | microsd is pretty darn small |
| 21:25.57 | prpplague | i'm using a 1gb microsd with my nail |
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| 21:28.03 | RobotGuy | Cool. I bought a 4 GB micro SD with the $100.00 Best Buy gift card I got from the Meet Up folks. |
| 21:29.25 | prpplague | the 16mb flash on the hammer is really just for some persistant storage for things like bootloader, a kernel, and a initramdisk |
| 21:29.50 | prpplague | boot up to the initrd then chroot to the sd card |
| 21:29.59 | prpplague | or even just boot directly to the sd card |
| 21:32.04 | RobotGuy | Hmmmmmm. I could boot direct from the sd card? |
| 21:32.40 | prpplague | for the rootfs |
| 21:32.58 | RobotGuy | I got the gift card just for having a "Meet Up" sticker on my head rest. :) |
| 21:33.23 | RobotGuy | OK, so a minimum sized initrd then, right? Just enough to get switched to the sd card? |
| 21:33.44 | RobotGuy | What about kernel modules? |
| 21:35.17 | prpplague | RobotGuy if you are going to boot directy to sd, you just need thefs support and sd support in the kernel |
| 21:36.07 | RobotGuy | prpplague: OK. Would SD be faster than JFFS2 on Flash? |
| 21:36.22 | prpplague | RobotGuy no |
| 21:36.28 | prpplague | RobotGuy its about 20% slower |
| 21:37.18 | RobotGuy | Dang, that sucks. Always a trade off. :( I'd prefer more flash. |
| 21:38.14 | prpplague | flash isexpensive |
| 21:39.42 | prpplague | you probably could optomize the clock rate and get comparable to generic nand flash |
| 21:40.45 | g1powermac | man, this is just evil: http://www.hackaday.com/2008/07/26/honeybike-bicycle-thief-honeypot/ |
| 21:41.11 | prpplague | g1powermac yea saw that |
| 21:41.31 | g1powermac | wonder how legal that is in this state :-) |
| 21:44.41 | g1powermac | though I'd go for the more direct sinister approach |
| 21:44.54 | g1powermac | wire up an electric fence transformer directly to the bikes frame |
| 21:45.12 | g1powermac | so anyone who even dares to touch my bike gets a nice zap :-) |
| 21:45.56 | g1powermac | of course the rfid tag that I'd be wearing would disable the transformer before I touched it :-) |
| 21:45.59 | prpplague | g1powermac its illegal in alot of places |
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| 21:46.47 | g1powermac | wonder if my solution would be illegal if you put signs on the bike warning that its electrified like you see on electric fences |
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| 21:57.54 | shaz | hi everyone :o) |
| 22:01.26 | RobotGuy | prpplague: How would I go about optimizing clock rate? Wouldn't messing with the clock upset some things? |
| 22:01.33 | RobotGuy | shaz: Hi |
| 22:01.57 | RobotGuy | g1powermac: I am not sure it would be legal in any way. |
| 22:03.12 | g1powermac_PB | RobotGuy: I'm always surprised as to whats legal in this state |
| 22:03.33 | RobotGuy | Oh yeah, you are in KENTUCKY.. :P |
| 22:04.28 | RobotGuy | g1powermac_PB: I collected at least 15 T-shirts at OSCON. :) |
| 22:05.06 | g1powermac_PB | cool |
| 22:06.49 | g1powermac_PB | well, I'm excited to finally get back to school this january, even if its going to be part time. . . |
| 22:08.24 | prpplague | RobotGuy maybe i didn't make that statement clear enough, optimizeing the clock rate of the sd card, not of the system |
| 22:08.44 | RobotGuy | prpplague: Oh, OK. That makes a big difference. :) |
| 22:08.47 | prpplague | RobotGuyi'm currently running at 10mhz on my nail, but you probably could go up to around 22mhz |
| 22:09.00 | prpplague | RobotGuy t0mW has done it up to 20mhz |
| 22:09.05 | RobotGuy | That would be cool! |
| 22:09.19 | RobotGuy | I will have to talk to T0mW about that. |
| 22:09.32 | RobotGuy | My micro SD came with an SD adapter too. :) |
| 22:09.36 | RobotGuy | SanDisk. |
| 22:09.50 | prpplague | RobotGuy nothing really to talk about, you just need to slowly increase you clock rate until you start having problems |
| 22:10.33 | RobotGuy | prpplague: Ahh, OK. So I just need to tweak a register or something like that until there is a problem? I can probably find that on a datasheet. |
| 22:10.57 | prpplague | RobotGuy not that complicated |
| 22:11.06 | RobotGuy | I know SanDisk makes good stuff, so that's what I bought since it did have to come out of my own pocket. |
| 22:11.08 | prpplague | RobotGuy its just an entry in the machine file |
| 22:11.22 | RobotGuy | prpplague: Ah! |
| 22:12.00 | RobotGuy | I would like to fully document the machine file on the Wiki. I think that is real important. |
| 22:12.43 | prpplague | RobotGuy thats not realistic |
| 22:13.22 | RobotGuy | I don't see why it would be realistic. Might be like writing a book, but not unrealistic. |
| 22:14.09 | prpplague | so you are going to document how to setup ever kernel driver available to the s3c2410? |
| 22:14.36 | RobotGuy | prpplague: Well, I didn't say it would happen overnight.. :P :) |
| 22:15.20 | RobotGuy | Mostly the things that would be most interesting to people and work towards other stuff as interested grows. |
| 22:15.55 | prpplague | seems unrealistic to me, but i don't look at things the way you do |
| 22:16.19 | RobotGuy | prpplague: Yeah, I know. We definitely don't see through the same eyes. :D |
| 22:16.53 | g1powermac_PB | every one of us see things differently :-) |
| 22:17.12 | RobotGuy | I guess I see things a bit more differently than most though. |
| 22:17.27 | RobotGuy | I don't see that as a bad thing. |
| 22:18.01 | RobotGuy | g1powermac_PB: I'm about to risk bricking another wireless router. |
| 22:18.21 | g1powermac_PB | ahh, fun |
| 22:19.06 | RobotGuy | g1powermac_PB: I ordered some new stuff a lady gave me money for W.A.L.T.E.R. |
| 22:19.22 | RobotGuy | prpplague: I finally ordered the interface stuff from DigiKey too! |
| 22:21.38 | prpplague | interface stuff? |
| 22:22.33 | RobotGuy | prpplague: The 2N7000 FETS, 74*245, etc. |
| 22:23.37 | prpplague | ahh |
| 22:23.46 | prpplague | hope you got the right voltage ranges |
| 22:24.14 | RobotGuy | I'l be able to connect my SSC-32 soon, which also connects to my Sabertooth 2x5 motor controller. Then I can start writing software to allow W.A.L.T.E.R. to roam around. |
| 22:24.26 | RobotGuy | prpplague: I think so, or at least hope so. |
| 22:28.04 | prpplague | RobotGuy here is a short paste of the spi config for the sd/mmc via spi |
| 22:28.05 | prpplague | +.modalias = "mmc_spi", |
| 22:28.05 | prpplague | +.bus_num = 1, |
| 22:28.05 | prpplague | +.chip_select = 0,// beware, bogus value. only keeps driver register happy. |
| 22:28.05 | prpplague | +.mode = SPI_MODE_0, |
| 22:28.05 | prpplague | +.max_speed_hz = 20000000, |
| 22:28.18 | prpplague | this defaults to 20mhz |
| 22:28.20 | prpplague | i |
| 22:28.32 | prpplague | i'm running at 10mhz since i have long traces |
| 22:29.00 | RobotGuy | That's on a Nail? |
| 22:29.50 | RobotGuy | prpplague: Oh, that reminds me. I need to get the fix for the other Nail I have. You said it looked like the EPROM didn't get flashed right? |
| 22:31.22 | RobotGuy | Ah, yes, on your Nail. |
| 22:31.46 | RobotGuy | I'm thinking more of using it on my Hammer Carrier Board since it already has an SD slot. |
| 22:33.42 | prpplague | no difference in the code |
| 22:37.04 | RobotGuy | Cool. |
| 22:41.13 | prpplague | RobotGuy you got spam |
| 22:41.32 | RobotGuy | prpplague: Ah, SPAM! Is it in a can? :) |
| 22:45.08 | prpplague | RobotGuy extract the tar ball into the libftdi directory under samples/EEPROM/write |
| 22:45.27 | prpplague | RobotGuy you'll need to build the erase example and build to the write |
| 22:45.36 | prpplague | RobotGuy run the erase then the write |
| 22:45.55 | prpplague | RobotGuy unplug the nail, plug it back in and it should be correct |
| 22:46.21 | RobotGuy | Oh boy. By the libftdi dir, do you mean the one from the tarball off the Wiki? |
| 22:46.27 | prpplague | yea |
| 22:46.32 | RobotGuy | OK, got it. |
| 22:46.49 | RobotGuy | Now I just have to find the spam. :) |
| 22:53.41 | RobotGuy | prpplague: You sent to robotguy@hybotics.com, right? |
| 22:57.47 | prpplague | looks |
| 22:58.00 | prpplague | yep |
| 22:58.29 | RobotGuy | OK, cool. It's probably in my main inbox then. I just switched mail clients and don't have all my filters set yet. |
| 23:01.28 | prpplague | ho ho hum |
| 23:08.17 | RobotGuy | OK, finally found it, and now have a filter for you. :) |
| 23:30.30 | g1powermac_PB | wow, nice: http://mobile.slashdot.org/mobile/08/07/26/2138228.shtml |
| 23:31.19 | prpplague | interesting |
| 23:31.41 | prpplague | problem is that atheros is worse than marvell when it comes to purchasing silicon |
| 23:33.18 | g1powermac_PB | bah, that sucks |
| 23:38.08 | prpplague | g1powermac_PB that annoucement is kinda like saying you live in new york and you know a sure thing girl in LA, sure it sounds good, but since you can;t get there, its not really important |
| 23:39.06 | g1powermac_PB | yea |
| 23:39.26 | g1powermac_PB | though it is nice when using their complete chipsets |
| 23:40.08 | g1powermac_PB | whether it is a pcmcia card, mini-pci card, or whatever |
| 23:52.05 | RobotGuy | g1powermac_PB: I met a really nice (and very hot) lady at OSCON. :) |
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