IRC log for #edev on 20071229

00:06.07coreyfroPlease? Pretty please?  Pretty please with Claudia Schiffer on top? how do I get Buildroot to put my modules where I want them?  I want them in ./root/lib/modules/2.6.21-ts, it puts them in ./root/lib/modules/2.6.21.7
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00:19.40coreyfroPlease? Pretty please?  Pretty please with Claudia Schiffer on top? how do I get Buildroot to put my modules where I want them?  I want them in ./root/lib/modules/2.6.21-ts, it puts them in ./root/lib/modules/2.6.21.7
00:36.03agaffneycoreyfro: do you have the .config for the kernel?
00:36.28agaffneythe kernel version string is in the .config, and if you're not using the one they used, then the modules won't go in the right dir
00:37.33coreyfroThank you for responding, I have a custom kernel from my board vendor and I got buildroot to use that for the kernel source and the headers.  Do I simple need to add a sed line that relpalces the version in the kernel.config?
00:38.23agaffneyI responded just so you'd shut up :P
00:38.33agaffneyasking the same question over and over and over and over again just pisses people off
00:41.12coreyfroYes, hopefully to the point that they answer.  I can keep asking if you like.  Actually, what I was hoping was that new people would have the answer since I don't know which of you are people or which of you are bots or just empty irc clients waiting to get disconnected
00:42.01agaffneydo you have the .config that the vendor-supplied kernel was built with?
00:43.39coreyfroyes, and at the top, remarked, it says 2.6.21-ts.  Is this from where the kernel derives the path to use for the modules?
00:44.56agaffneywhere exactly did you change the kernel version string?
00:45.03agaffneyapparently, it's not .config
00:45.32agaffneyit's include/config/auto.conf or include/linux/autoconf.h
00:46.05SpeedEvilmaybe Makefile
00:46.21coreyfrothanks, looking
00:53.07coreyfrook, looks like those are added by buildroot and, yes, project_build_arm/Orb-Swarm/linux-2.6.21-ts/include/config/auto.conf does, indeed, have the wrong kernel version.  When does buildroot write this info?
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14:51.28prpplague~seen landley
14:51.30purllandley <n=landley@cpe-72-177-114-214.austin.res.rr.com> was last seen on IRC in channel #edev, 1d 4h 47m 15s ago, saying: 'Got what working again?'.
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15:19.57prpplagueGPSFan first rev of the schematic for the nail board is done
15:20.39GPSFanprpplague: swell, you got a prelim. layout yet?
15:20.58prpplagueGPSFan yea, getting close
15:21.06prpplagueGPSFan few items still up in the air
15:22.29prpplagueGPSFan hey, you work with any usb enabled lcds?
15:23.25GPSFanother than the one in the voip phone I wrote a driver for, no.
15:24.25prpplagueGPSFan what kind of interface did you use for the lcd?
15:24.31prpplagueGPSFan i.e. a proc entry?
15:24.39prpplagueGPSFan or just a device node?
15:26.04GPSFanprpplague: there were a set of ioctls, and it worked as a fb device, but because of it's slowness, you had to write all the data, then send it an update command.
15:27.25prpplagueGPSFan hmm, interesting
15:27.36prpplagueGPSFan might have to  get a copy of the driver from you
15:27.55prpplagueGPSFan i was considering using the ft2232 to make a small lcd dongle
15:28.41prpplagueGPSFan i was thinking more like a char device node, with similiar operations as a rs-232 device
15:28.56prpplagueGPSFan i.e. echo "Hello" > /dev/ttyLCD0
15:29.04GPSFansure, I can tar it up, I had a general purpose kernel patch, but it had some typos. I had it running on the hammer. I'll gert it to you later oday.
15:29.44prpplagueok thanks
15:30.43prpplaguebbiab
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16:29.48prpplagueho ho ho, merry freakin saturday
16:53.34prpplagueGPSFan still around?
16:54.47GPSFanyes..
16:54.53prpplagueGPSFan ahh thanks
16:55.12prpplagueGPSFan once sec, wanna dcc you the schematic and top layer of the nail board
16:55.18GPSFanthat goes in the /drivers/auxdisplay folder in the hammer's kernel tree.
16:55.31GPSFank
16:56.04prpplaguethanks , i'll have a look
16:57.12GPSFanI tar'd it up from the time I compiled it so the .ko's is there as well as all the other files. there might need to be a change to the /display/Kconfig too.
16:57.34GPSFanuhhh /drivers/kconfig
16:58.29prpplagueGPSFan you get the dcc request?
16:58.35GPSFanno
16:58.39prpplaguehmm
16:59.22prpplaguehmm must be blocked
16:59.28prpplagueGPSFan i'll email it you
16:59.33GPSFank
17:00.44prpplagueGPSFan otw
17:01.04GPSFangotit.
17:01.12prpplagueGPSFan the 2x7 header for jumpers is giving me problems
17:06.02prpplagueho ho hum
17:06.57GPSFanprpplague: how do you connect the jtag of the ft2232 to the hammer's jtag connector?
17:08.57prpplagueGPSFan via a short 2x7 idc cable
17:09.44GPSFanwith a 90 degree hammer jtag connector? is this going to be a full time connection?
17:10.12prpplagueGPSFan no, the 2x7 header at the end is for jumppers
17:10.30prpplagueGPSFan the other 2x7 is the jtag
17:10.31GPSFanyeah, that's j4.
17:10.50prpplagueyea j4 is jumpers
17:11.31prpplaguej2 is the jtag header
17:12.10GPSFanah, j2 is placed near the hammer jtag connector, j4 isn't really placed yet.
17:12.16prpplaguethe whole board is about 1" x5"
17:12.16GPSFanon the layout.
17:12.28prpplagueGPSFan correct
17:12.48GPSFanhow tall does that make it the jtag connections seems to be driving that dimension.
17:14.11prpplagueGPSFan between .75" and 1" depending on what socket we use
17:14.39prpplagueGPSFan if you figure 1" it will basically be a 1" x 1" square base
17:14.56GPSFanso would the user have to install the jtag jumper to unbrick it, or would that be able to be ther all the time?
17:15.16prpplagueGPSFan the jtag cable would be there all the time
17:15.40GPSFanok
17:15.47prpplagueGPSFan the j4 is just for doing custom configs, i.e. short pin 2 to have a 10 second boot time
17:16.01prpplagueGPSFan or short pin 3 to boot to bootloader prompt
17:17.30GPSFanhow about a special version of the hammer board that has the jtag connector comming out  the other side of the board. (this would be a stuffing option, no change to the circuits) so the hammer + jtag could plug into the naol board.
17:17.44GPSFannail even.
17:18.22prpplagueGPSFan yea we are considering that
17:18.34prpplagueGPSFan this is just a first rev to check out functionality
17:18.36GPSFanthen j4 could go where j2 is.
17:18.42prpplagueindeed
17:18.57prpplaguewe could make the board about .65" longer
17:19.19prpplaguethen place the j4 directly behind the usb host connector
17:22.31prpplagueGPSFan thoghts?
17:24.57GPSFandunno, that would certainly work, but is there any customer requirement for a shorter, or thinner, or..... board. It seems to me that you are doing this board to promote hammers. you need to do what makes sense and doesn't cost you a lot to produce it.
17:31.19prpplagueyep
17:31.44prpplaguewe are mainly looking at quick, easy and cheap
17:32.19prpplagueGPSFan basically an arm development system in an easy to use portable format
17:32.27GPSFanso a slightly longer board would not be the difference between selling 100k and 200k units.
17:32.39prpplagueindeed
17:33.09prpplagueGPSFan the primary goal is a device you can take with you to starbucks, plug into your laptop and do arm dev
17:33.18prpplaguea single usb cable and thats it
17:34.09GPSFanmaybe strabucks could rent them out, or include one with each double-tripple-mocha-latte-super-large...
17:34.18MirellHeh.
17:34.22MirellCoffee-powered processor.
17:35.22Mirellprpplague: Make the board support HTCPCP.
17:36.03GPSFanprpplague: I guess the idea is to just pluge the nail into the usb port, and develop away. Maybe another version could have a 2G flash drive with the SDK on it.
17:39.56prpplagueGPSFan or just plug a thumb drive into the usb host connector on the other end
17:40.04prpplagueGPSFan or a usb card reader
17:40.11GPSFan;>)
17:40.53GPSFanprpplague: might there be room on the nail for a transflash connector?
17:41.20prpplagueGPSFan yea, but, the thing is, i've been pretty disappointed with accessing sd/mmc cards via spi interface
17:42.40GPSFanbut that's the way the hammer does it, so if the customer's target has some sort of sd/mmc card that's how it would be done, and the nail could provide that target emulation.
17:43.58prpplagueGPSFan thats likely to change on the next rev of the carrier board
17:44.12GPSFanprpplague: ah.
17:46.04prpplagueGPSFan i gotta run a few errands, have a look over and let me know what you thing
17:46.07prpplaguebbiab
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20:29.06joe_bleauprpplague: are you back?
20:36.39prpplaguejoe_bleau yea
20:39.54prpplaguejoe_bleau whats up?
20:39.58joe_bleauHey, got time for a quick material science question?
20:40.27prpplaguejoe_bleau uh ok, not sure i'll have an answer
20:40.29joe_bleauDo you happen to know if your barcode scanners have diamond coated lenses?
20:41.03prpplaguejoe_bleau no, we have three models of covers for the barcode window
20:41.11joe_bleauI think HHP does.  I might be looking for someone to deposit DLC on polycarbonate.
20:41.25joe_bleauOh well, it was worth a shot.  Thanks!
20:41.28prpplaguejoe_bleau why?
20:41.33prpplaguejoe_bleau why do you need that??
20:41.46joe_bleauScratch resistance.  Don't need it, but might want it.
20:41.56prpplaguejoe_bleau waste of money
20:41.58joe_bleauIncremental product improvement, you know?
20:42.08prpplaguejoe_bleau ??
20:42.17joe_bleauWhy would it be a waste of money?
20:43.15prpplaguejoe_bleau the standard plastics are pretty darn good, and if they do get scratched, replacing it with another $0.002 isn't a problem
20:43.50SpeedEvilyou can get DLC scanner windows as replacements cheap
20:43.52joe_bleauOur products are different.  It's much more than $0.002 to replace a front panel.
20:43.56SpeedEvilchop those into little bits
20:44.00joe_bleauThis application is not a barcode scanner.
20:44.04prpplaguejoe_bleau oh
20:44.21joe_bleauSpeedevil: can those little bits be run through an injection molding machine?
20:44.22prpplaguejoe_bleau i can only speak about bcs
20:44.28SpeedEviljoe_bleau: yes.
20:44.32joe_bleauAnd still retain the coating on the front?
20:44.39SpeedEviljoe_bleau: did you want it to work afterwards? :)
20:44.55joe_bleauI want a hard coating on a piece of molded PC.
20:45.02SpeedEviljoe_bleau: they are glass with a DLC coating on the front
20:45.09joe_bleauThought maybe someone with barcode knowledge would know of a source.
20:45.12joe_bleauThat's all.
20:45.28joe_bleauI've talked to Diamondex? before, but they weren't very friendly.
20:45.29SpeedEvilintended for the barcode POS scanner industry
20:45.46SpeedEvilmany large companies aren't.
20:47.26joe_bleauI've heard some of the sunglass people are playing with DLC, but I don't know anyone in that line of work.
20:47.48joe_bleauBarcode scanners are the only other thing *I* know of that might have DLC coated components.
20:48.12SpeedEvilI wish the startup trying to work out a bulk process for depositing diamond had worked out.
20:48.20SpeedEvilActual diamond.
20:48.32SpeedEvilCheap - a wet chemistry process
20:49.15joe_bleauAren't there a couple of companies growing single crystal diamond these days?
20:49.37SpeedEvilyeah - with high pressure processes.
20:49.39SpeedEviland vacuum
20:50.03joe_bleauSo, not as cheap and simple as the failed startup process you mentioned?
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20:50.04SpeedEvilthis was an in principle really cheap process that could have lead to actual structural diamond.
20:50.11SpeedEvilin meter slabs
20:50.23joe_bleaupolycrystalline?
20:50.30SpeedEvilNo
20:50.51SpeedEvilBut they've gone quiet. Hope nanosolar doesn't go the same way
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20:51.05joe_bleauGot any links or good search words?
20:51.28SpeedEvil"Uncle Al" diamond sci.physics
20:51.36SpeedEvilgoogle-groups search
20:51.49SpeedEvilhowever, little actual info was released.
20:52.02joe_bleauThat name sounds very familiar...
20:52.27SpeedEvilHe is a little ... abrasive.
20:52.44SpeedEvilSeems to have a clue, but ...
20:52.54joe_bleauIsn't he the guy with the website full of fiction?
20:53.12joe_bleauI do remember reading about him catching himself on fire in a chem lab a few years ago.
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