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| 01:47.58 | jamey-uk | I have an old 486 DX2 50 MHz laptop with 4 MiB of RAM, but I may be able to up this to 12 or 20 MiB in total. I'm thinking of fitting it with a CF-to-IDE adapter and a reasonably sized CF card. It is silent, produces virtually no heat and draws very little power. I'm considering building a tiny little custom case out of wood or acrylic for it. Can anyone think of any productive uses (repurposing) for this kit? |
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| 06:30.23 | TheMusicGuy | Hi. Somebody from #asm told me I should ask you guys for help finding a particular ROM hack. |
| 06:31.08 | TheMusicGuy | since google isn't helping and there doesn't appear to be any chans devoted to NES rom hacking |
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| 06:47.37 | ZeZu | ... |
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| 12:48.24 | g1powermac | hmm, anyone know if there's a similar tool in the linux world like bin2h? |
| 12:58.01 | mnemoc | g1powermac: google suggests http://dev.kewl.org/acx100+111/acx-6.1/bin2h/ |
| 12:59.26 | g1powermac | hrm, nope, thats not what I'm referring too |
| 12:59.46 | g1powermac | bin2h on windows is a tool that takes a binary file and converts it into a c header file |
| 13:00.29 | g1powermac | http://deadnode.org/sw/bin2h/ |
| 13:01.25 | mnemoc | g1powermac: what's different from what the one I gave you does? |
| 13:01.33 | g1powermac | its something that would be quite useful for this one embedded app |
| 13:01.51 | g1powermac | the code is creating a firmware image |
| 13:01.56 | g1powermac | not a c header file |
| 13:04.40 | mnemoc | "converts it into a c header file" in the form of an array? |
| 13:07.13 | mnemoc | the only different I see is that your link produces an array of unisgned char, and mine an array of uint32 |
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| 20:52.40 | mischief6 | does anyone happen to know a good vendor for messing around with embedded devices? |
| 20:55.20 | florian | mischief6: what kind of vendor do you need? |
| 20:55.42 | mischief6 | something for learning about embedded devices |
| 20:56.12 | mischief6 | i can't say i really know much about embedded devices, but i want to start somewhere. just looking for some pointers. |
| 20:57.33 | florian | mischief6: ok, now i get the point. any raw idea what kind of devices you want to start with? 8bit? 32bit? with mmu? with linux? |
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| 20:58.55 | mischief6 | florian, linux would be fine |
| 20:59.17 | mischief6 | is there much difference between arm and 32bit devices? other than the obvious |
| 21:00.09 | roxfan | arm IS 32-bit |
| 21:00.44 | florian | mischief6: well... there are quite some 32 bit cpus that are not arm :) |
| 21:00.49 | mischief6 | oh, haha. shows how much i know |
| 21:01.33 | mischief6 | can i safely assume 32bit is pretty commonplace in the embedded world? |
| 21:01.35 | roxfan | arm is probably the most common 32bit embedded platform nowadays... and has one of the more sensible instruction sets imo |
| 21:02.17 | roxfan | actually, 8051 clones (8-bit) are still going strong in very cheap and limied function devices |
| 21:03.24 | roxfan | hobbyists (robotics/modeling) use pic and avr quite a lot |
| 21:03.43 | mischief6 | i would like something with at least networking capability |
| 21:04.04 | roxfan | if you mean ethernet or usb then it's probably arm |
| 21:04.43 | roxfan | there are some other solutions (especially for usb) but they're not as common |
| 21:05.13 | mischief6 | well, i've been trying to look for vendors on the net. for some reason most of the companies' sites i visited seemed very out of date |
| 21:05.45 | roxfan | here's a nice device with gigabit ethernet, powerful cpu and still pretty cheap |
| 21:05.46 | roxfan | http://www.marvell.com/products/embedded_processors/developer/kirkwood/sheevaplug.jsp |
| 21:06.12 | roxfan | runs linux |
| 21:06.58 | mischief6 | hmm, that looks a bit interesting |
| 21:07.24 | roxfan | if you want something closer to bare metal, there are arm7 or cortex m3 based boards with ethernet |
| 21:07.38 | roxfan | e.g. http://www.freertos.org/shop/luminary-micro-ethernet-evaluation-ekilm3s6965-p-40.html?osCsid=3534ef322ed663dea9c336ad98e57794 |
| 21:08.45 | mischief6 | well, i saw this company, http://www.embeddedarm.com/index.php and their devices seemed pretty reasonable, and their site seems maintained :p |
| 21:09.59 | roxfan | this one seems to be oriented more towards business customers |
| 21:10.09 | mischief6 | indeed. :( |
| 21:10.44 | roxfan | www.tincantools.com has a few boards |
| 21:11.36 | roxfan | then there's www.gumstix.com |
| 21:11.44 | HcE | roxfan: you think ARMs instruction set is sane? |
| 21:11.51 | roxfan | yes o.o |
| 21:11.57 | HcE | all those different cores, thumb, not thumb, etc |
| 21:12.17 | roxfan | it's not "different cores"... it all runs on the same core |
| 21:12.40 | roxfan | and once you get the hang of it it's pretty logical |
| 21:12.55 | HcE | v4 v5 v6 Cortex M3 M0 A8 etc |
| 21:13.00 | HcE | quite a lot of the |
| 21:13.01 | HcE | +m |
| 21:13.03 | roxfan | and it reads much better to me than mips or ppc |
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| 21:13.15 | HcE | hehe, I would prefer MIPS or PPC ;) |
| 21:14.19 | roxfan | it's the same with mips, isn't it? e.g. some cores support fpu, others don't |
| 21:14.32 | roxfan | the instruction set itself remains the same |
| 21:14.52 | HcE | mmm, ARM is not like that |
| 21:15.01 | HcE | newer versions of the core have additional instructions |
| 21:15.09 | roxfan | yes |
| 21:15.25 | roxfan | naturally |
| 21:16.26 | mischief6 | roxfan, the gumstix site is kind of neat, but a little pricey and no ethernet :C |
| 21:17.24 | HcE | mischief6: I would have started with 8-bit devices if you have no experience with embedded devices at all |
| 21:17.42 | roxfan | well, i'd say if you want linux or gigabit ethernet, get sheevaplug, if you want to fiddle with i/o signals and lcd try cortex-m3 |
| 21:17.49 | HcE | mischief6: if you have some Linux experience, then going for 32-bit devices with good Linux support might be a good deal as well |
| 21:18.34 | HcE | is the Linux port on sheevaplug done? |
| 21:18.50 | roxfan | sure, it ships with ubuntu |
| 21:19.01 | mischief6 | HcE, only problem is finding a way to learn :X |
| 21:19.03 | roxfan | you can download the image too |
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| 21:21.27 | *** topic/#edev is a channel for the discussion of embedded systems,including hardware, software, linux, wince, and commercial device repurposing - mostly ARM based; newbie forum http://arm.mechcore.net/ |
| 21:21.52 | HcE | mischief6: http://www.smileymicros.com/index.php?module=pagemaster&PAGE_user_op=view_page&PAGE_id=11&MMN_position=24:24 <-- that was the one I was looking for |
| 21:22.23 | HcE | mischief6: I've not browsed through it myself, but I've heard good stuff about it |
| 21:22.50 | roxfan | if you want to start with avr, i think now arduino is a better choice |
| 21:22.53 | mischief6 | :o that looks neat |
| 21:23.58 | roxfan | http://www.arduino.cc/en/Main/ArduinoBoardMini |
| 21:24.00 | HcE | mmm, arduino is also smooth, the smileymicros page has been around for ages, so that poped into mind first |
| 21:25.53 | mischief6 | hmm |
| 21:26.42 | mischief6 | something small like that, programmable in C or C++ would be great |
| 21:26.45 | mischief6 | i can always move on to larger boards |
| 21:26.59 | roxfan | they all have c now :) |
| 21:28.35 | mischief6 | lol |
| 21:29.02 | mischief6 | well, a couple years ago i was interested in microcontrollers from a company called parallax |
| 21:29.24 | mischief6 | but all of their boards use derivatives of BASIC, or some other language they created. |
| 21:29.32 | roxfan | ah yes, the basic stamp |
| 21:30.09 | roxfan | it seems they had robotics/modeling market cornered pretty well |
| 21:30.39 | roxfan | there is something new from them(?) called propeller |
| 21:31.14 | mischief6 | yea, that |
| 21:31.18 | roxfan | but nowadays generic microcontrollers are cheaper than their stuff... |
| 21:42.38 | roxfan | i got this little board for myself http://www.freertos.org/shop/luminary-micro-lm3s811-evaluation-ekilm3s811-p-41.html |
| 21:42.57 | roxfan | didn't do much with it, but it's pretty easy to program |
| 21:43.22 | roxfan | there are routines for i/o and lcd and stuff |
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| 22:19.07 | T0mW | roxfan: I've been playing with these: http://www.embedinfo.com/english/Product/mini2410.asp |
| 22:19.37 | roxfan | cute |
| 22:19.39 | T0mW | USD $68 + shipping |
| 22:19.54 | roxfan | but that connector is not very tinker-friendly imo |
| 22:20.18 | T0mW | of course, you have to be setup to do SMD board work for that SODIMM connector... |
| 22:20.27 | roxfan | yep |
| 22:20.46 | roxfan | a good solution for semi-pro i guess |
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