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| 02:06.08 | wmat | prpplague: ping |
| 02:06.34 | prpplague | wmat: pong |
| 02:06.40 | wmat | see pm |
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| 08:31.04 | risca | Consider this situation: A ea3250 development board is running linux. It communicates with the world through a custom circuit board with a GPRS module. |
| 08:32.04 | risca | In order for the custom circuit board to power on it needs a "power on pulse" of approx. 20 msec. What is the best approach to achieve this pulse? |
| 08:32.57 | risca | I was thinking of a custom module presenting an entry in either /dev or /sys that will produce the pulse on one of the ea3250's output pins |
| 08:33.44 | risca | Say for example that when you do 'echo 1 > /sys/GPRS_board' the board would power on |
| 08:34.20 | risca | I figured that this is what the GPIO part of the Linux kernel is for, right? |
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| 09:06.45 | MonMotha | risca: that's one way to do it, yes |
| 09:07.01 | MonMotha | if your machine has all the GPIO stuff in the kernel set up for you, then that may be the way to go |
| 09:07.54 | risca | I don't yet know that. I am currently settup up a development environment |
| 09:08.13 | MonMotha | does the timing of the duration of the pulse need to be very exact? |
| 09:08.41 | risca | No, since a simple press button also is enough |
| 09:09.21 | MonMotha | if your machine lacks kernel GPIO subsystem support, it may be easier to just bang on the CPU's registers from userspace |
| 09:09.36 | MonMotha | that's what I did on the last project for GPIO access, even though the kernel had some support |
| 09:09.42 | risca | How do I do that? |
| 09:09.52 | MonMotha | google "devmem2" |
| 09:09.59 | MonMotha | it includes source code |
| 09:10.11 | risca | I will do that. Thank you |
| 09:10.20 | risca | We'll see what solution I will use |
| 09:11.10 | risca | That's a sweet little program! :D |
| 09:12.29 | MonMotha | it is very handy, yes |
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| 11:51.57 | SpeedEvil | FTL/SSD http://nvsl.ucsd.edu/sanitize/ |
| 11:52.11 | SpeedEvil | (and failures of simple scrubbers) |
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| 16:15.38 | T0mW | prpplague: still paying your rent? |
| 16:15.49 | prpplague | T0mW: ?? |
| 16:16.09 | T0mW | prpplague: wondering how things are going with work. |
| 16:16.24 | prpplague | T0mW: ahh, yea contracted with TI until the end of 2011 |
| 16:16.37 | T0mW | prpplague: nice |
| 16:16.56 | T0mW | prpplague: been working for a former customer since January myself |
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| 16:30.48 | chouimat | morning |
| 16:39.00 | *** mode/#edev [+o prpplague] by ChanServ |
| 16:39.13 | prpplague | thinks gold will close about 1450 by friday |
| 16:39.19 | prpplague | s/about/above |
| 16:45.47 | SpeedEvil | Interesting. |
| 16:45.58 | SpeedEvil | I was pondering investing in aluminium about march 2008 |
| 16:46.19 | SpeedEvil | Over the period - if I'm eyeballing the teeny graphs I can find without too much effort, it's beaten gold. |
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| 16:50.51 | chouimat | prpplague: hi |
| 16:51.08 | prpplague | chouimat: hey bud |
| 16:51.45 | chouimat | prpplague: just got a "new" computer ... |
| 16:52.49 | chouimat | prpplague: my brother sold me his old powermac g4 for 100$ |
| 16:52.55 | prpplague | hehe |
| 16:53.26 | chouimat | prpplague: my compile farm is getting nice ... |
| 16:54.13 | RobotGuy | None of my desktop systems are working and I am using a rented laptop now. |
| 16:54.48 | chouimat | RobotGuy: I'm using my laptop for the past 2 weeks, didn't had time to rebuild my main development box |
| 16:55.32 | RobotGuy | I'm in the process of building a brand new PC - quad core i5 |
| 16:55.48 | chouimat | ok time to go, business lunch ... |
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| 18:42.10 | sjhill | can anyone recommend a cheap, low-power board with lots of usb ports on it? |
| 18:42.16 | sjhill | and an ethernet |
| 18:43.00 | RobotGuy | sjhill: What are you trying to accomplish? |
| 18:44.19 | chouimat|away | sjhill: something like this http://www.globalscaletechnologies.com/p-35-openrd-ultimate.aspx ? |
| 18:46.35 | RobotGuy | Now, THAT is a very interesting package. :) |
| 18:46.38 | sjhill | chouimat: that's nice |
| 18:46.56 | sjhill | RobotGuy: building my own terminal server so i can hang a bunch of usb-serial adapters off of it |
| 18:47.03 | RobotGuy | Price is reasonable too. |
| 18:47.48 | RobotGuy | I want something with wireless though (WiFi, XBee). |
| 18:50.01 | RobotGuy | Of course, easy to add to that Open-RD box via USB. |
| 18:50.07 | chouimat | sjhill: I have the previous generation ... |
| 18:51.04 | chouimat | mine doesn't have the pciexpress ... but I have vga, this one you have both but you can only use 1 at the time (switch on the device) |
| 18:52.27 | RobotGuy | I don't know if the Open-RD would be good for a robot brain, but it might work as master controller with all those USB ports.. :) |
| 18:53.43 | RobotGuy | Is there a dev site for the Open-RD? |
| 18:54.51 | chouimat | RobotGuy: most of the sheevaplug related stuff will works with it ... |
| 18:55.58 | RobotGuy | chouimat: I am not sure I want to deal with "most" though. I am talking dev as in for the beagleboard, which I can deal with just fine. :) |
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| 19:53.12 | sjhill | chouimat|away: i'll by the previous generation from you :) |
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| 20:41.46 | chouimat|away | sjhill: sorry I need it ... |
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