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| 01:28.06 | joe_bleau | Has anyone worked with Luminary microcontrollers? |
| 01:52.14 | prpplague | joe_bleau: just talking to someone about it today |
| 01:52.23 | prpplague | joe_bleau: i've not worked with them yet |
| 01:52.45 | prpplague | joe_bleau: had planned to order either a ST or luminary cortex board at the end of the month |
| 02:07.20 | joe_bleau | I have one of the CCI contest boards (the one with the OLED), but I'd really love to hear from someone that's used it in a project. |
| 02:07.33 | joe_bleau | My first big concern is the RTC current drain. |
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| 04:28.17 | flyback- | manged to resolder a cat 5 cable to his webpal to use as a serial cable to convert it to linux, soldered 4 serial pins and 2 power pins using a cat5 cable to his old palm IIIxe so he can repair the motherboard, soldered 2 power pins to a $8 mp3 player he got to repair it, traced the pinout of a rs232 to +5 cmos/tll adaptor cord, traced out the wires to a usb to rs232 adaptor cord, and even made some progress on converting a old p133 laptop to |
| 04:28.18 | flyback- | [23:53] * flyback- good |
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| 08:10.45 | pAth0s | anyone awake? |
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| 13:42.44 | prpplague | ho ho hum |
| 13:42.50 | Crofton | gm |
| 13:43.20 | prpplague | Crofton: greetings |
| 13:43.40 | Crofton | yeah |
| 13:43.51 | Crofton | hopefully just standard blow hard crap |
| 13:44.31 | prpplague | Crofton: oh cool |
| 13:44.37 | Crofton | yeah |
| 13:44.46 | prpplague | Crofton: company paid for? |
| 13:44.54 | Crofton | sort off :) |
| 13:45.09 | prpplague | hehe |
| 13:45.12 | prpplague | better than nothing |
| 13:45.16 | prpplague | :( |
| 13:45.38 | *** mode/#edev [+o prpplague] by ChanServ |
| 13:47.32 | Crofton | good meetins |
| 13:47.44 | Crofton | we also spent a couple of days hacking around with stuff |
| 13:50.46 | prpplague | Crofton: nice |
| 13:56.06 | chouimat | morning |
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| 14:46.18 | prpplague | ho ho hum |
| 14:47.04 | chouimat | lala lalal alalala |
| 14:50.31 | prpplague | chouimat: too many items to work on and not enough time |
| 14:50.46 | prpplague | i hate not being able to do proper work on a project |
| 14:51.33 | chouimat | prpplague: I think it's the same with everybody ... ok remove politicians from the list ;) |
| 14:53.25 | prpplague | chouimat: can't decide if i should port this driver from 2.4 to 2.6, or just start fresh with a 2.6 driver |
| 14:53.59 | prpplague | chouimat: i have to comment out 2/3's of the code to just get it compile for 2.6 |
| 14:54.35 | chouimat | prpplague: i will go with the less messy one of the 2 :) |
| 14:54.52 | prpplague | chouimat: thats the problem they are both pretty darn messy |
| 14:55.20 | prpplague | chouimat: i.e. one is chicken s$%t and the other is bull |
| 14:55.22 | ohsix | whatw driver is this? |
| 14:55.51 | prpplague | ohsix: a small sd/mmc bitbanging driver similiar to the one use on the wrt54g sd/mmc hack |
| 14:56.03 | ohsix | ah |
| 14:57.01 | ohsix | the lunix driver layer for that flash stuff doesn't do it? or doesn't bitbang |
| 14:58.41 | prpplague | ohsix: i'm not familiar with lunux driver layer so i can not answer that |
| 14:58.45 | prpplague | ohsix: url? |
| 14:59.20 | ohsix | it's just the mtd stuff, sec |
| 14:59.48 | prpplague | oh you mean the linux mtd layer ? |
| 14:59.48 | ohsix | http://www.linux-mtd.infradead.org/ |
| 15:00.03 | prpplague | ohsix: no sd/mmc is handled as a generic hd |
| 15:00.16 | ohsix | ah |
| 15:00.18 | prpplague | ohsix: its closer to the interfacing of a standard ata ide drive |
| 15:02.21 | ohsix | they hae the mtls that make em act like block devices |
| 15:02.46 | MothaWork | SD/MMC is pretty much a SPI (or 4-bit, if you pay $$$) interface to a block device |
| 15:02.59 | MothaWork | it handles its own flash functions (erase, remap, etc.) |
| 15:03.07 | ohsix | right.. |
| 15:04.52 | prpplague | problem is that between 2.4 and 2.6 the gendisk change alot |
| 15:05.42 | prpplague | i hope none of the major formats change in the kernel anytime soon |
| 15:05.49 | prpplague | re-learning all this is a pain in the ass |
| 15:06.26 | chouimat | prpplague: we are talking about linux ... |
| 15:06.30 | ohsix | http://kerneltrap.org/Linux/MMC_Flash_Memory_Card_Support |
| 15:07.20 | prpplague | ohsix: yea, i'm well aware of the 2.6.24 push |
| 15:07.31 | prpplague | ohsix: problem is i have 2.6.22 and i have a deadline |
| 15:08.48 | ohsix | oic, heh they even have led triggers in the stuff to be merged ;] |
| 15:08.55 | prpplague | fedora7 is driving me nuts |
| 15:09.15 | prpplague | the mc is broken , minicom is broken |
| 15:09.38 | GPSFan | prpplague: have you come across either of these 2.6 mmc implementations? http://www.vpx.nu/dokuwiki/doku.php?id=mmc_sd_configuration and http://www.acmesystems.it/?id=155&v=old ?? |
| 15:10.09 | GPSFan | I was going to look into them for the hammer, but real life has intervened yet again... |
| 15:11.00 | prpplague | GPSFan: yea, bits and pieces of those have been taken and used for the 2.6.24 mmc_spi which ossman worked on |
| 15:11.07 | prpplague | GPSFan: i've tinkered with both |
| 15:11.20 | GPSFan | ok, glad you are on top of it ;>) |
| 15:11.30 | prpplague | GPSFan: the problem i have with both is that it depends on the spi subsystem which is still a mess, imho |
| 15:11.58 | prpplague | GPSFan: i can't get anyone on the spi mailing list to respond to question, the docs suck, and their are little to no comments in the code |
| 15:12.37 | GPSFan | yes, but that is the way things are moving, so it should get better as 2.6.24-25-26 evolves. Of course that doesn't help with your deadline. |
| 15:13.10 | prpplague | which is my point |
| 15:13.30 | prpplague | GPSFan: i don't see the main tree stabilizing for spi mmc support for atleast 6 months |
| 15:14.15 | GPSFan | prpplague: so the choices are stick witht 2.4 or a bastardized-non-spi framework 2.6 |
| 15:14.57 | ohsix | patching your kernel or building it out of tree isn't workable? |
| 15:15.11 | prpplague | GPSFan: choices are, port the 2.4 driver forward to 2.6, or start a fresh 2.6 driver , either way they will both be stand alone drivers without spi subsystem supprot |
| 15:15.22 | prpplague | ohsix: too many missing items |
| 15:26.17 | prpplague | first time i've been totally frustrated with my desktop in years |
| 15:27.47 | MothaWork | Linux really, really needs a better SPI subsystem... |
| 15:28.02 | MothaWork | I've got several devices on SPI on this board and it's really sucking |
| 15:28.36 | prpplague | MothaWork: yea the spi subsystem was based on the i2c model |
| 15:28.44 | MothaWork | which is pretty well WRONG |
| 15:28.47 | prpplague | MonMotha: which i personally think doesn't work |
| 15:28.59 | MothaWork | i2c is an addressed, half-duplex bus |
| 15:29.10 | chouimat | yay the interview was postponed again ... |
| 15:29.12 | MothaWork | SPI is a full duplex bus with various options for selecting slaves |
| 15:29.47 | MothaWork | I haven't done a bringup on this board yet (don't have them assembled even, just bare boards and parts) |
| 15:29.50 | MothaWork | we'll see how it goes |
| 15:30.52 | prpplague | MonMotha: yea i'm not real happy with the spi susbystem |
| 15:31.02 | prpplague | MonMotha: but there isn't anything i can do about it |
| 15:31.13 | MothaWork | well, we also get to try out the userspace SPI API |
| 15:31.21 | MothaWork | which is obviously in a state of wtfery |
| 15:31.42 | prpplague | yea |
| 15:32.13 | prpplague | MonMotha: i thought about just doing a new class and doing it myself, but then i don't get the advantage of the other developers work |
| 15:34.43 | MothaWork | yeah |
| 15:35.43 | prpplague | MonMotha: so.... basically the crappyness propogates itself |
| 15:41.33 | MothaWork | seems to happen often |
| 15:41.44 | MothaWork | give it a few years. eventually people will realize it has problems and it'll get fixed |
| 15:41.49 | MothaWork | sometime around Linux 2.6.12903489157123789 |
| 15:42.00 | chouimat | hehe |
| 15:42.53 | chouimat | prpplague: try mkfs :) |
| 15:43.18 | prpplague | chouimat: yea i know alot of perople don't like rh and fedora |
| 15:43.41 | prpplague | chouimat: but the two main apps i use, minicom and mc, were both broken on F7 |
| 15:44.03 | chouimat | prpplague: wow |
| 15:44.35 | prpplague | really surprise that those were broken, and the fact that there are no updates for it |
| 15:44.39 | prpplague | s/it/them |
| 15:45.30 | chouimat | prpplague: compile them from the source then |
| 15:45.41 | prpplague | chouimat: one step ahead of you |
| 15:45.47 | prpplague | chouimat: just got minicom installed |
| 15:45.51 | prpplague | chouimat: compiling mc now |
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| 15:46.19 | prpplague | MonMotha_: problems? |
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| 15:52.32 | prpplague | chouimat: minicom is fixed, mc still has problems with xterm |
| 15:52.41 | prpplague | must be the terminfo borked |
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| 15:56.37 | MothaWork_ | prpplague: oh, we're on a wireless link here normally, but when it goes down, we autofail (along with a few hundred others) to a T1 |
| 15:56.49 | prpplague | MothaWork: ahh |
| 15:57.04 | MothaWork | hopefully we'll be able to get business FiOS soon |
| 15:57.11 | MothaWork | however, Verizon doesn't want to cut into their T1 business |
| 15:57.24 | MothaWork | not that many people in this building have a dedicated T1 |
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| 16:24.53 | prpplague | interesting looks like its gnome terminal thats broken |
| 16:25.10 | MothaWork | prpplague: there's a reason I just use xterm |
| 16:25.19 | prpplague | yea |
| 16:28.11 | prpplague | well i've been pretty happy with gnome terminal untill now |
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| 17:03.31 | prpplague | MothaWork: the only thing i don't like xterm/rxvt is it doesn't support cut-n-paste as well as gnome-terminal |
| 17:13.55 | pina | I require the following from a mobo: dual gigabit, 8 SATA ports, 1 PATA port (or more), 2 PCIe x16 slots, 2 PCIe x1 slots (or one x1 and one x4), at least one PCI slot, 4 RAM slots, LGA775, HD audio, FireWire, and support 8GB RAM, quad core, and 1333 FSB |
| 17:13.57 | pina | is that too much to ask? |
| 17:14.16 | pina | i can get most of it from a cheap mobo but second gigabit port is a problem |
| 17:14.43 | prpplague | pina: i'm sure you can get plenty of addons to do the job |
| 17:14.47 | pina | putting another gigabit card would waste one of the slots so not a good option |
| 17:15.08 | pina | see, I already HAVE a mobo that has everything I listed (except the second PCI Express slot), but it's Socket 939 |
| 17:16.31 | prpplague | pina: you got me on that, i've not done x86 builds in years |
| 17:17.02 | pina | heh |
| 17:21.47 | pina | the ASUS P5K is one I was looking at - it's lacking the second PCI Express slot and the second gigabit though |
| 17:51.48 | prpplague | ho ho hum |
| 19:27.16 | MothaWork | pina: Tyan makes boards that do all that for AMD, but not Intel |
| 19:27.26 | MothaWork | though you'll probably end up with 4 16x PCIe slots instead of 1x/4x |
| 19:27.30 | MothaWork | but you can dump smaller cards in those |
| 20:02.26 | agaffney | if I've got a 15V battery going to a deviec with a voltage reulator that can handle up to 18V "safely", do I need any additional protection between the battery and the device? |
| 20:02.41 | agaffney | this is for my Roomba + Netgear WGT634U project |
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| 20:22.45 | MothaWork | agaffney: not likely unless you plan on charging the battery with it hooked up to the device |
| 20:22.56 | MothaWork | even if you were to blow something, it would likely just be the regulators |
| 20:23.28 | agaffney | MothaWork: yeah, it'll be hooked up while the Roomba is on the "home base" |
| 20:23.51 | pAth0s | anyone ever used scratchbox to compile stuff for your devices? |
| 20:26.03 | agaffney | MothaWork: would there be a higher voltage coming through the battery while charging? |
| 20:31.45 | MothaWork | agaffney: those batteries are generally brought up to about 10-25% over nominal for charging |
| 20:41.13 | MothaWork | agaffney: depends on the battery chemistry, of course |
| 20:41.20 | MothaWork | I'm thinking lead acid or NiCd/NiMH |
| 20:41.34 | MothaWork | Li-Ion/Li-Po is different |
| 20:49.42 | agaffney | hmm, I can't find anyone on the board that looks like the voltage regulators I've seen |
| 20:49.50 | agaffney | http://wiki.openwrt.org/OpenWrtDocs/Hardware/Netgear/WGT634U <-- that's the board |
| 20:49.55 | MothaWork | agaffney: it's probably a switcher |
| 20:50.34 | agaffney | meaning what? :P |
| 20:50.41 | agaffney | my knowledge of electronics is very basic |
| 20:50.44 | MothaWork | yeah |
| 20:50.46 | MothaWork | it's a switch mode |
| 20:50.53 | MothaWork | probably a buck topology |
| 20:51.14 | agaffney | meaning what? :P |
| 20:51.25 | MothaWork | wikipedia "switch mode power supply" |
| 20:55.12 | agaffney | in the picture, is is the little black thing with the copper wire coiled around it? |
| 20:55.19 | agaffney | also, what the the round, flat, yellow thing? |
| 20:55.37 | agaffney | really, what's a good site that gives a basic overview of common electronic components with pictures? :P |
| 21:11.05 | MothaWork | the flat yellow thing is a cap |
| 21:11.11 | MothaWork | the copper wire coil is an inductor |
| 21:11.19 | MothaWork | as are the other iron round cylinders |
| 21:11.31 | MothaWork | one or both of those SO8s are probably SMPS controllers |
| 21:18.12 | MothaWork | I guess the flat yellow thing could also be a TVS of some sort |
| 21:18.18 | MothaWork | can't tell from that angle |
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| 22:16.44 | flyback- | one thing that sucks ass about my +5 ttl serial card I made |
| 22:16.48 | flyback- | needs a damn pc with a damn isa slot |
| 22:16.49 | flyback- | ugh |
| 22:17.12 | flyback- | looks like whatever this thing is from a davinci |
| 22:17.24 | flyback- | a serial db9 with diodes on the first 5 pins and 4 transistors |
| 22:17.29 | flyback- | it's not a standard serial port |
| 22:17.37 | flyback- | unless my webpal is blown |
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