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| 00:10.34 | Mirell | [B |
| 00:10.36 | Mirell | Woops. |
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| 00:46.57 | prpplague | ho ho hum |
| 00:47.46 | mankash | anybody knows about USB programming |
| 00:51.49 | prpplague | mankash need to be a little more specific, OHCI programming UDC programming, usb device programming? |
| 00:55.14 | prpplague | mankash i've done all of the above |
| 00:55.58 | ds2 | anyone knows about C programming |
| 00:55.59 | ds2 | :D |
| 00:56.36 | agaffney | nope, nobody at all |
| 00:57.29 | prpplague | not me |
| 00:57.31 | joe_bleau | nothing but BASIC in use here. |
| 00:57.41 | Mirell | I just know how to use a CARDIAC. |
| 00:57.48 | Mirell | I'm actually using one to be on IRC right now. |
| 00:57.51 | Mirell | Don't ask me how. |
| 00:58.02 | prpplague | anyone know about internal combustion engines? |
| 00:58.22 | Mirell | Heh |
| 00:58.31 | agaffney | fire make boom boom |
| 00:58.55 | prpplague | good lord, this laptop needs 1.21 gigawatts to operate |
| 00:59.19 | agaffney | gigawatts or jigawatts? |
| 00:59.31 | prpplague | sorry typo, jigawatts |
| 00:59.37 | mankash | prpplague: I think it is UDC, I have a board based on IXP425 processor. It supports UDC I guess |
| 01:00.07 | mankash | sorry I am not expert in uSB terminology, |
| 01:00.25 | mankash | I don't know the meaning of UDC |
| 01:01.03 | prpplague | Device Controller aka a usb slave device |
| 01:01.22 | mankash | on my board there are 5 pin and 2 pin headers, Which I want to recognise which one is USB |
| 01:01.42 | prpplague | mankash might want to visit wikipedia's usb pages for more info, information is the king when it comes to embedded dev |
| 01:01.46 | mankash | OI already recognise serial and jtag whihc I am using |
| 01:03.05 | mankash | I know the registers involve in USB controller. IS it possible to write 1 or zero on the usb port to recognise it |
| 01:03.45 | prpplague | mankash you still haven't made yourself clear on what it is you want to accomploish |
| 01:03.52 | agaffney | USB programming! |
| 01:04.02 | agaffney | duh... |
| 01:04.05 | prpplague | mankash are you trying to connect your embedded device to a host pc? |
| 01:04.16 | prpplague | agaffney dullard |
| 01:04.38 | agaffney | stares at the wall with a blank look and drools |
| 01:04.49 | mankash | I want to find out if there is USB port header available on my board |
| 01:05.25 | agaffney | look at your board for 4 solder pads :P |
| 01:05.25 | mankash | I already installed openwrt linux on it |
| 01:05.52 | mankash | IT has 5 pin header and another one is 2 pin header |
| 01:06.09 | agaffney | what board is it? |
| 01:06.18 | mankash | wrv54g |
| 01:06.20 | agaffney | if it runs openwrt, it'ss probably already documented |
| 01:06.28 | mankash | no |
| 01:06.54 | mankash | openwrt doesn't support it becuase of wireless card |
| 01:06.54 | prpplague | mankash wrv or wrt? |
| 01:06.59 | mankash | wrv54g |
| 01:07.14 | mankash | I changed the wireless card to atheros and workign fine |
| 01:07.49 | mankash | Now I am trying to explore more on this baord |
| 01:08.07 | mankash | I also replaced the bootloader |
| 01:08.24 | mankash | working fine for me |
| 01:09.27 | mankash | prpplague: USB slave mode means one cannot use USB storage device with it correct? |
| 01:10.21 | prpplague | http://www.seattlewireless.net/LinksysWrv54g#HardwareInfo |
| 01:10.31 | Mirell | Okay. |
| 01:10.36 | Mirell | The Internet, I love you. |
| 01:10.40 | Mirell | AutoTuned Cats: http://www.geekologie.com/2009/08/kitty_noises_autotune_used_to.php |
| 01:10.43 | Mirell | That is all. |
| 01:10.43 | Mirell | Carry on. |
| 01:10.46 | mankash | I already saw that |
| 01:12.12 | joe_bleau | I didn't see any mention of USB |
| 01:12.38 | mankash | no body tried to explore it |
| 01:12.42 | prpplague | there is no basic header for usb on the mb, but that doesn't mean it hasn't been brought out to some pull down resistors |
| 01:13.03 | prpplague | only way to find out would be to depopulate the board and ring out the usb lines |
| 01:13.17 | joe_bleau | Interesting that it runs big endian. Wish more ARMs ran that way. |
| 01:13.31 | mankash | there are headers for jtag and serial and 2 more headers are there which I want to recognise |
| 01:15.20 | prpplague | mankash what are the labesl for the two headers that you don't know |
| 01:15.30 | mankash | prpplague: no labels |
| 01:16.07 | mankash | when yo do programming on uSB, you must be writing to registers.? |
| 01:16.47 | mankash | to make D+ D- , high or low and then we can measure the voltages, that is one way to recognise |
| 01:16.56 | prpplague | mankash you terminology is very very very very vague |
| 01:16.57 | mankash | I don't know if that is possible |
| 01:17.45 | prpplague | mankash all the pictures i see of the motherboard have the headers labeled |
| 01:20.09 | mankash | I have 2 boards, non of them is labelled only I can see J10 or J11 |
| 01:20.24 | prpplague | hehe |
| 01:20.34 | prpplague | J10 and J11 are the labels |
| 01:21.00 | mankash | but what that label mean |
| 01:21.25 | prpplague | gives up and goes to watch tv |
| 01:22.01 | ds2 | hehe |
| 01:22.31 | mankash | hehe |
| 01:30.57 | joe_bleau | I'm wondering how hard it would be to build a (ghetto) FTIR spectroscopy setup. |
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| 01:34.35 | ds2 | Far ? IR? |
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| 02:03.55 | joe_bleau | I'm not sure what wavelength range I'd need to cover. Wide enough to do forensic analysis of polymers. |
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| 02:43.55 | ds2 | what's the 'T'? |
| 02:44.34 | joe_bleau | Fourier Transform InfraRed. |
| 02:45.23 | joe_bleau | Might be easier to sweep a monochomator; I think that's how they used to do it. |
| 02:46.27 | joe_bleau | I'm told a new FTIR is around $60k. |
| 03:03.46 | ds2 | ah |
| 03:04.02 | ds2 | wow |
| 03:04.10 | ds2 | do most plastics respond to IR? |
| 03:15.35 | joe_bleau | I *think* (way out of my league here) that you excite the chemical bonds in the hydrocarbons. |
| 03:16.23 | ds2 | the last time I asked that question, I was told to look in the CRC handbook but I didn't find it |
| 03:16.34 | joe_bleau | We did something similar in freshman chem lab to id unknown organometallics. |
| 03:16.54 | ds2 | is this the lab with the bouche and lomb spectrometer ? |
| 03:16.57 | joe_bleau | But we didn't have the Fourier aspect. I remember salt plates and Nujol. |
| 03:17.11 | joe_bleau | No, it had a chart recorder on it. |
| 03:17.50 | joe_bleau | Seeme like the photospectrometers that we used were tuned to a single freq, and you measured the absorption at one wavelength. |
| 03:18.04 | joe_bleau | Again, I don't really know what I'm talking about. |
| 03:18.14 | ds2 | heh neither do I |
| 03:18.20 | joe_bleau | Just seemed like something that might make an interesting DIY project, especially if you could |
| 03:18.31 | joe_bleau | get and repurpose most of the optics. |
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| 20:43.01 | IRWolfie- | anyone worked with blackfins without Visual DSP++ and without Analog devices emulators and what alternatives did they use |
| 20:45.05 | roxfan | not me, but i know this site: http://blackfin.uclinux.org/gf/ |
| 20:48.15 | roxfan | say, you don't happen to use marbo-3ex board? |
| 20:50.44 | IRWolfie- | no I was working with an ez-lite kit until the company i was at produced the boards to test with |
| 20:50.54 | IRWolfie- | then we tested on them |
| 20:51.14 | roxfan | i see |
| 20:52.34 | IRWolfie- | I'm still interested in working with blackfins but I don't want to pay the costs for using analog device's tools |
| 20:53.50 | IRWolfie- | are ARM processors similar enough to working on blackfins? |
| 20:54.35 | roxfan | probably not... blackfin is dsp oriented or something afaik? |
| 20:56.20 | IRWolfie- | blackfins are dsps but we were using them as general processors |
| 21:13.42 | Mirell | Hmm... |
| 21:13.49 | Mirell | ought to get a Beagle Board |
| 21:25.43 | roxfan | as a general processor arms do pretty good |
| 21:26.06 | roxfan | and there's a lot of vendors, you can choose which peripherals you need |
| 21:34.52 | IRWolfie- | do debuggers/hardware emulators cost a fortune for arms? |
| 21:40.25 | roxfan | you can make a simple jtag adapter with a couple of resistors and parallel port |
| 21:40.47 | roxfan | there are several cheap usb adapters based on ftdi chips |
| 21:46.43 | roxfan | well, if you want to use pro IDEs they might require their own dongles which run around a couple hundred |
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| 22:11.28 | IRWolfie- | I've not worked with anything other than Analog devices IDE, would something like eclipse be able to be made work with viewing of memory contents etc |
| 22:16.57 | roxfan | there are a couple of ides based on eclipse |
| 22:17.13 | mankash | any ideas on uSB programming? |
| 22:17.37 | roxfan | ...what? |
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