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| 00:44.07 | florian | pliny_the_ill: or use dbus |
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| 00:46.44 | pliny_the_ill | florian: D-Bus seems a little bit heavy for what i'm doing. Is it really the best way? I also just found this: http://www.runtimeaccess.com/articles/fanout/fanout.html which is a "one-to-many" FIFO system. |
| 00:49.46 | florian | pliny_the_ill: es it strongly depends on what you intend to do |
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| 00:52.59 | florian | oops |
| 00:53.19 | florian | pliny_the_ill: yes this looks quite simple and straight |
| 00:54.52 | pliny_the_ill | florian: thanks. I think a simple method is best for what i'm doing. (Basically, I have some programs providing small, <100 pieces of data at about 1 Hz, and other programs that need that data, but do not really care if they occasionally miss a transmission). |
| 00:57.26 | florian | needs a little bit of sleep 3am here |
| 00:57.30 | florian | goood night |
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| 01:56.15 | m4t | can someone give me a few pointers on booting an initrd from ram? |
| 01:56.34 | m4t | i have a squashfs.uImage |
| 01:56.57 | m4t | but i get No filesystem could mount root, tried: squashfs |
| 01:58.50 | m4t | i might just try embedding it in initramfs |
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| 02:59.11 | m4t | i got the walnut goin |
| 02:59.25 | m4t | i ended up using a cpio initramfs |
| 02:59.38 | m4t | i wanted to get a squashfs image mounted loop or smthin |
| 03:03.22 | m4t | awesome |
| 03:03.38 | m4t | so ping doesnt respond to ^C ^Z ^@ (break) ^D |
| 03:04.29 | m4t | i got a 2.6.24.7+etchnhalf+pax+squashfs target |
| 03:04.31 | m4t | i got a buncha stuf |
| 03:04.40 | m4t | i am going to clean up my source tree and make some diffs |
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| 09:07.13 | sunoke | window |
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| 10:37.19 | *** topic/#edev is a channel for the discussion of embedded systems,including hardware, software, linux, wince, and commercial device repurposing - http://www.elinux.org/Openocd-Redux |
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| 13:50.21 | chouimat | morning |
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| 17:36.52 | rektide | price of copper, insufferable! |
| 17:37.10 | rektide | looking for 4 gauge on ebay |
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| 17:52.41 | Crofton|work | shipping would be a bitch on that |
| 17:53.07 | rektide | most places seem to offer $5 flat rate |
| 17:53.08 | *** part/#edev archae0pteryx (n=snewman@207.47.42.130.static.nextweb.net) |
| 17:53.15 | rektide | i only need 25 feet |
| 17:54.20 | rektide | i just cant think of where to go locally for supplies |
| 17:58.35 | rektide | the msrp on most of these cables is hovering around $5.50/ft. i expect i'd have to pay near that, locally. ebay its low $3's/ft |
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| 20:37.50 | prpplague | nooblet: you can ask about the flyswatter here |
| 20:38.27 | nooblet | yeah ive been reading |
| 20:40.17 | nooblet | where do i find a primer on say low level debugging software debugging vs jtag debugging and such... im so lost |
| 20:40.51 | nooblet | so is flyswatter somehow linked to only useful to the current build of openocd? |
| 20:42.31 | prpplague | nooblet: no the flyswatter can be used with a wide range of utilities, just that tincantools focuses on open source tools such as openocd |
| 20:43.04 | nooblet | you mentioned level shift it to the 1.8v right? |
| 20:44.23 | prpplague | nooblet: no wrong direction, the flyswatter has level shifters that convert the ttl levels of the ftdi chipset to that of standard rs-232, the Peek needs to have ttl levels not rs-232 levels |
| 20:44.45 | prpplague | nooblet: so in order for the flyswatter to connect with the Peek, the rs-232 level shifters have to be bypassed |
| 20:45.00 | nooblet | is that software or hardware? |
| 20:45.37 | prpplague | hardware |
| 20:46.02 | nooblet | im staring at rev-b schematics |
| 20:46.23 | nooblet | and i have no idea the different between the pl2303 and this ft2232d |
| 20:46.53 | prpplague | they basically do the same thing, just that the ft2232 has support for jtag as well, whereas the pl2303 does not |
| 20:47.39 | nooblet | so what do you ground to disable the level shifting? the whol sp3243 its doing something to the transmit and recieve |
| 20:47.45 | prpplague | nooblet: either the upgrade cable or the adapter from sparkfun would probably be your best choice - http://www.sparkfun.com/commerce/product_info.php?products_id=718 |
| 20:48.12 | prpplague | nooblet: it is not as simple as "disabling" you have to bypass the level shifter |
| 20:48.20 | prpplague | nooblet: not really a newbie item |
| 20:48.48 | prpplague | the next rev of the flyswatter will have a ttl level header with voltage adjustment |
| 20:48.49 | nooblet | so it cant be done without soldering? |
| 20:49.06 | prpplague | correct |
| 20:49.57 | nooblet | so confused |
| 20:50.16 | prpplague | hehe |
| 20:50.24 | nooblet | why dont i just buy a pl2303 then |
| 20:50.38 | prpplague | hmm, isn't that what i suggested? |
| 20:50.43 | prpplague | <prpplague> nooblet: either the upgrade cable or the adapter from sparkfun would probably be your best choice - http://www.sparkfun.com/commerce/product_info.php?products_id=718 |
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| 20:51.12 | prpplague | nooblet: i take it that you are not a hardware person |
| 20:51.25 | nooblet | im a snowboarder |
| 20:51.49 | prpplague | ahh |
| 20:52.08 | nooblet | are there actually pins ond the backside? |
| 20:52.21 | nooblet | it looks from the picture i would have to solder my own connections |
| 20:53.02 | nooblet | i was considering the flyswatter cuz i wanted to get a beagleboard or something... i want to never buy a mainstream laptop again |
| 20:53.35 | nooblet | and yes jtag is above my head but soldering out the level shifting or soldering in support... how much needs to be done to fix it to a rev C |
| 20:54.53 | prpplague | nooblet: you'd need to cut the traces to the level shifter, solder onto them and and connect it to the uart header, not something you want to do if you aren't pretty handy with an iron |
| 20:55.40 | nooblet | level shifter are you talking about a specific chip? |
| 20:56.12 | prpplague | nooblet: correct |
| 20:57.26 | prpplague | nooblet: U2 on the schematic has to be powered down and all the data lines have to be "jumped" across |
| 20:57.50 | nooblet | but why cant you just use test jumps |
| 20:58.10 | prpplague | nooblet: i do not understand your question |
| 20:58.19 | nooblet | and hook pin 2 on jp1 to ground |
| 20:59.09 | prpplague | nooblet: because that still leaves a load on the data lines |
| 20:59.59 | nooblet | what would soldering a micro usb to the u1 hurt anything if its not plugged into the peek |
| 21:00.17 | nooblet | would that work at all |
| 21:01.26 | prpplague | why would you want to do that? |
| 21:01.29 | nooblet | hold up i shouldnt have asked i need to look at how the uart header is being modified |
| 21:02.44 | prpplague | nooblet: the easiest and quickest way to get a usb uart connection to the peek is either to use the upgrade cable, or order one of the boards from sparkfun |
| 21:04.52 | nooblet | i already understand that |
| 21:04.55 | prpplague | nooblet: the flyswatter was originally design to interface with something that had a full rs-232 levels, not TTL |
| 21:05.11 | nooblet | why not just use a com port on your computer for that? |
| 21:05.41 | nooblet | and why does it say it handles 1.2 to 3.3 ttls |
| 21:06.08 | prpplague | nooblet: two reason, 1) most PC don't have a true rs-232 port any more, 2) it allows you to do both jtag and rs-232 debugging at the same time from a single device |
| 21:06.24 | nooblet | true rs232? |
| 21:06.41 | nooblet | i have 2 db9 connections on the back |
| 21:07.34 | nooblet | like are they faking them somehow is all im wondering or new computers actually have firewire or someting filling up that space where the ps2 mouse use to plug in |
| 21:07.34 | prpplague | nooblet: yea, go check at the store, most won't have one |
| 21:08.09 | nooblet | maybe thats why i was interested in a 50 jtag i have price jafs and other crap |
| 21:08.17 | nooblet | and they arent 50 |
| 21:08.35 | prpplague | nooblet: i am sorry i did not understand your statement |
| 21:09.05 | nooblet | i dont understand jtag well enough to ask it at the current time |
| 21:09.35 | nooblet | any handy flashers that use the connector under the battery have jtag chips in the box |
| 21:10.12 | nooblet | there is about 6 times of flash most want you to pay them for supprot |
| 21:10.38 | nooblet | just ignore that last line i misstyped way to much |
| 21:11.42 | prpplague | nooblet: i am sorry, i'm not understanding what you are asking, the pads in the battery compartment are uart, not jtag, but there are a wide range of jtag debuggers based on the ft2232 that are available from places like sparkfun |
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| 21:12.40 | nooblet | yes in the peek |
| 21:12.47 | nooblet | are they with most phones? |
| 21:18.05 | prpplague | nooblet: most phones have a uart for external programming such as firmware upgrades, but pretty much all ARM devices utilize the JTAG method of initial firmware loading |
| 21:18.55 | nooblet | so the factory installs the orginal on the back before it goes in th ebox? |
| 21:19.10 | nooblet | using jtag and then the test it to make sure the phone might work |
| 21:19.51 | prpplague | nooblet: the factory installs the firmware via jtag directly to the pcb/motherboard before assembly |
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| 21:19.57 | nooblet | ahh |
| 21:20.11 | prpplague | nooblet: after assembly, the pads are used to initiate tests and do firmware upgrades via uart |
| 21:20.12 | nooblet | before or after the pcb? |
| 21:20.40 | nooblet | they flash the chips in typical production |
| 21:20.42 | prpplague | nooblet: after the phone is completely assembled, the uart pads are used |
| 21:20.49 | prpplague | nooblet: yes |
| 21:20.59 | nooblet | before they hit the pcb? |
| 21:20.59 | prpplague | nooblet: they flash the chips via jtag during production |
| 21:21.04 | prpplague | nooblet: no |
| 21:21.16 | nooblet | ahh thats why jtag points are left accessible |
| 21:21.32 | prpplague | nooblet: exactly |
| 21:21.48 | prpplague | has to get back to work now |
| 21:22.05 | nooblet | but the 9 pins under the battery of my nokia are only uart? |
| 21:24.23 | nooblet | the uart i used was with the pl2303 chip in data cable but that cable wont flash or unlock the pos phone |
| 21:24.44 | nooblet | i know cuz i had it unlocked so i could use it in the states |
| 21:29.22 | nooblet | so are there no primers for jtag debugging? |
| 21:36.40 | nooblet | is there a way to convert a normal serial to ttl? |
| 21:38.50 | nooblet | i can see most pcs not having 5 1/4 floppies but i havent owned one without a working db9 =( |
| 21:40.40 | ds2 | just toss in a few transistors:D |
| 21:40.55 | cmw | nooblet: n810 ? |
| 21:41.30 | ds2 | cmw: how goes the peeking? |
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| 21:42.02 | cmw | ds2: very well :) made a lot of progress |
| 21:42.02 | nooblet | nah way older |
| 21:42.11 | ds2 | cmw: can we use it as a phone yet? =) |
| 21:42.30 | nooblet | there is no mic? |
| 21:42.44 | cmw | ds2: well you can use the test menu to make calls but no audio |
| 21:43.02 | ds2 | bah... just make a loose trace and turn that into a crude carbon mic ;) |
| 21:43.25 | ds2 | cmw: how do you get into the test menu? |
| 21:43.50 | cmw | ds2: http://www.peeklinux.com/index.php/TestMenu |
| 21:44.06 | ds2 | doh... I was looking at elinux.org |
| 21:47.52 | ds2 | oh it is a TMO sim |
| 21:47.57 | ds2 | I wonder if I can put in my account and just use it |
| 21:48.03 | cmw | ds2: target dropped the price today from $19.99 to $9.99 |
| 21:48.09 | cmw | so if you bought one go back and get price adjust |
| 21:48.17 | ds2 | they do price adjustments?! |
| 21:48.25 | nooblet | really? what local? |
| 21:48.28 | ds2 | I found 2 |
| 21:48.39 | cmw | ds2: yeah i bought nearly 10 so far |
| 21:48.46 | cmw | buying them up as quick as i can |
| 21:48.50 | nooblet | lol thats like a free 100 dollars |
| 21:48.53 | cmw | still some in brooklyn.. going to make a run this weekend |
| 21:49.05 | ds2 | one target listed as "Instock" had exactly 1 but the other one listed as limited stock had like 4 of them in black |
| 21:49.07 | ds2 | GRRRR |
| 21:49.10 | nooblet | lol wanna trade a programming cable for some? |
| 21:49.23 | cmw | ds2: really? nice |
| 21:49.35 | ds2 | if that SIM is a normal unactivated TMO SIM, there are people that want to buy them |
| 21:49.59 | nooblet | oh crap i didnt think of that |
| 21:50.16 | ds2 | well, if we can preserve the phone functionality of it, it'd be a great device |
| 21:50.38 | nooblet | preserve? |
| 21:50.52 | cmw | ds2: it's unlocked.. just throw an AT&T sim and it can make calls |
| 21:51.53 | joe_bleau | Has anyone found a datasheet for the CPU yet? |
| 21:52.13 | ds2 | cmw: I have a TMO data account and a prepaid account already |
| 21:52.21 | cmw | ds2: nice |
| 21:53.17 | ds2 | so if we can get the GSM stack intact AND have uClinux, it'd be a nice platform... add in a BT interface and... |
| 21:53.50 | prpplague | ds2: yea, the BT is what i was wanting |
| 21:54.04 | ds2 | prpplague: what module do you have in mind? |
| 21:54.08 | prpplague | ds2: i've already started looking at yanking the GSM in favor of a BT |
| 21:54.13 | ds2 | oh |
| 21:54.17 | ds2 | I want both! |
| 21:54.23 | prpplague | ds2: hehe |
| 21:54.29 | prpplague | ds2: indeed i suspect most people will |
| 21:54.54 | ds2 | it looks like the GSM chip used is hard coded to those bands otherwise, I can see using this a GNUradio device |
| 21:55.02 | prpplague | ds2: our ME has done a concept design for a sled that the peek snaps into |
| 21:55.05 | joe_bleau | BT+IrDA, please. We'd probably buy 200-300 in that case. |
| 21:55.41 | nooblet | is there a way to setup hdradio with beagle? |
| 21:56.00 | nooblet | is hd decoding opensource i guess is the question |
| 22:00.24 | ccjoe | win 5 |
| 22:03.23 | joe_bleau | Is the $12 price at Target about the best deal on Peek right now? 3 in the cart, ready to pull the trigger... |
| 22:04.01 | nooblet | how is peek worth 12dollars? |
| 22:05.08 | Crofton|work | ds2, the gsm chip is most likey a hardware defined radio |
| 22:05.28 | ds2 | Crofton|work: not from what people are seeing so far |
| 22:05.38 | joe_bleau | Right now it is not worth $12 to me. If they're hackable to run my own code and they have a UART, they are. |
| 22:05.45 | ds2 | there is no hardware GSM radio, just a an amp and receiver |
| 22:06.04 | nooblet | even with only 8megs? |
| 22:06.25 | nooblet | for a robot project or something? |
| 22:06.28 | ccjoe | ///win 1 |
| 22:06.49 | joe_bleau | Data transfer between embedded devices and PCs, tool to update firmware in our embedded devices. |
| 22:07.19 | joe_bleau | Palm PDAs are done for. Not sure if the iphone exposes the BT SPP. Palm smartphones work, but Pre dropped IrDA. |
| 22:07.26 | joe_bleau | Our choices are getting slim and expensive. |
| 22:09.26 | cmw | it's $9.99 in store |
| 22:09.43 | Crofton|work | ds2, do you have any references? |
| 22:09.56 | joe_bleau | My store is out. |
| 22:16.02 | ds2 | Crofton: look at the chip inventory on elinux |
| 22:19.17 | cmw | Crofton: www.peeklinux.com |
| 22:19.21 | cmw | also it has PWM/I2C |
| 22:19.40 | cmw | possible to use it via break outs |
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| 23:03.18 | joe_bleau | Do we know if the peek has an accessible JTAG port? |
| 23:17.59 | *** join/#edev flavioribeiro (n=avaty@189.71.69.58) |
| 23:53.48 | *** join/#edev davidc__ (n=davidc__@205.250.250.89) |