| 02:16.39 | *** join/#arm-netbook QingPei (~qingpei@114.241.188.122) |
| 02:46.28 | CIA-158 | rhombus-tech: lkcl master * rbc3c73bed2fb /allwinner_a10/orders/ (4 files): order processing cleanup |
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| 05:39.50 | specing | haha, ARMs dealers |
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| 08:47.54 | CIA-158 | rhombus-tech: http://leofur.myid.net/ master * r7b3c0be5b9db /allwinner_a10/orders/http:__47____47__leofur.myid.net__47__.mdwn: |
| 08:53.00 | mnemoc | weee... a fuse driver for google drive storage :p |
| 08:58.34 | mnemoc | puzzled, is linaro 12.04 (armhf) 3.2 or 3.4 based? |
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| 09:31.49 | hp_ | is trying to make a u-boot sd-card for the first time |
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| 09:32.29 | hp__ | i found an error on the page |
| 09:33.02 | hp__ | http://rhombus-tech.net/allwinner_a10/a10_mmc_boot/ |
| 09:33.12 | mnemoc | what part? |
| 09:33.27 | hp__ | sudo apt-get build-essential git |
| 09:33.33 | hp__ | it should be |
| 09:33.42 | hp__ | sudo apt-get install build-essential git |
| 09:33.43 | mnemoc | edit it, it's a wiki :) |
| 09:33.57 | hp__ | oh lets see how to do that |
| 09:34.22 | hp__ | mnemoc any idea whats missing in this line |
| 09:34.28 | hp__ | make sun4i CROSS_COMPILE=arm-linux-gnueabi- |
| 09:34.44 | mnemoc | that looks good for me |
| 09:34.49 | hp__ | maybee a - to much? |
| 09:35.10 | mnemoc | CROSS_COMPILE always ends in a dash |
| 09:35.20 | mnemoc | because it's used like CC=$(CROSS_COMPILE)gcc |
| 09:35.27 | hp__ | /bin/bash: arm-linux-gnueabi-gcc: command not found |
| 09:35.51 | mnemoc | hp__: that's not a problem of the wiki, it's your host |
| 09:36.01 | hp__ | mnemoc: but i followed the wiki |
| 09:36.20 | mnemoc | that isn't really intentn for someone who doesn't know what he is doing |
| 09:36.25 | mnemoc | it's only a hint |
| 09:36.26 | hp__ | sudo apt-get install gcc-4.5-arm-linux-gnueabi |
| 09:36.34 | mnemoc | remove the version |
| 09:36.45 | hp__ | sudo apt-get install gcc-arm-linux-gnueabi |
| 09:36.46 | mnemoc | or add the symlink |
| 09:36.48 | hp__ | like this? |
| 09:36.48 | mnemoc | yes |
| 09:36.58 | hp__ | aha |
| 09:37.00 | mnemoc | but that will probably pull gcc 4.6 |
| 09:37.03 | hp__ | a symlink would also work |
| 09:37.06 | mnemoc | which works fine for me |
| 09:37.07 | hp__ | is that a problem? |
| 09:37.09 | hp__ | ahh ok |
| 09:37.46 | mnemoc | I'm not fond to guides with too detailed steps because people tries to follow them blindly |
| 09:38.14 | hp__ | i like em.. cause it should be dummy prove no? :) |
| 09:38.26 | mnemoc | actually no |
| 09:38.41 | mnemoc | dummies should not be messing with this stuff |
| 09:38.56 | mnemoc | there is risk involved |
| 09:39.08 | mnemoc | risk you should only take if you understand it |
| 09:39.45 | hp__ | whats the risk ..that i just blow up the melee? :) |
| 09:40.19 | mnemoc | ok, the a10 is "unbrickable", right |
| 09:40.25 | hp__ | right |
| 09:40.51 | hp__ | mnemoc: build started now awsome :) |
| 09:40.56 | mnemoc | but the point is mostly that we don't WANT grandma-level users right now, because they are expensive to support |
| 09:41.09 | mnemoc | and we are not ready to give them anything they would really value |
| 09:41.34 | hp__ | whats not to value.. ubuntu on a A10 that sound like a gain |
| 09:41.49 | mnemoc | it's doesn't work flawless |
| 09:42.13 | hp__ | its just something to play arround with then |
| 09:42.28 | mnemoc | yes, absolutely |
| 09:42.44 | mnemoc | but at this point of development you need to be ready to get dirty on your own |
| 09:43.15 | mnemoc | people actually believes that image runs an open source kernel, which is not |
| 09:43.54 | hp__ | the allwinder/linux-2.6.36.git is opensource? |
| 09:43.55 | mnemoc | and then I start getting grandma-level users mailing me because they expect the 3.0 branch I host on github to let them get the drivers they miss |
| 09:44.21 | hp__ | mnemoc: yeah that should be clear upfront that that is not the case then i guess |
| 09:44.30 | mnemoc | hp__: yes, 2.6.36 is the last code released by allwinner |
| 09:44.55 | hp__ | where everything is working like sound and such? |
| 09:45.06 | hp__ | if so.. then ppl should use that :) |
| 09:45.08 | mnemoc | I hope to be able to get fbcon on 3.0 running this weekend, but from there to "run ubuntu and play videos" there is an awfully long road |
| 09:45.37 | mnemoc | hp__: not quite, 2.6.36's fb is not X ready |
| 09:45.59 | mnemoc | there is a hack in the wip/allwinner-2.6.36-android/disp branch |
| 09:46.06 | mnemoc | but it's quite evil |
| 09:46.55 | mnemoc | it blindly kills two problematic ioctl()s |
| 09:47.09 | mnemoc | which may have undesired side effects |
| 09:47.11 | hp__ | hehe thats evil |
| 09:47.37 | hp__ | mnemoc anyone supporting you in the 3.0 port ? |
| 09:49.46 | hp__ | i guess lots of ppl are |
| 09:49.53 | mnemoc | hno fixed serious problems in the core |
| 09:50.17 | mnemoc | it actually boots thanks to him |
| 09:50.34 | mnemoc | beyond that, no, there is no one else contributing. help welcomed |
| 09:50.53 | hp__ | cool |
| 09:50.56 | mnemoc | there were two fixes posted to the ML I imported |
| 09:51.22 | mnemoc | one allowing X on 2.6.36, and another allowing nand to be visible under linux |
| 09:51.40 | mnemoc | but neither are real fixes |
| 09:52.14 | hp__ | ML = Main Line? |
| 09:52.24 | mnemoc | mailing list |
| 09:52.46 | mnemoc | arm-netbook's list |
| 09:53.20 | mnemoc | but both were made for the official 2.6.36 tree |
| 09:53.37 | mnemoc | ps://github.com/amery/linux-allwinner/commit/0d7c79f7f8cf6175e8db9181c807621eb49cebe9 |
| 09:53.56 | mnemoc | meh |
| 09:54.01 | mnemoc | https://github.com/amery/linux-allwinner/commit/0d7c79f7f8cf6175e8db9181c807621eb49cebe9 |
| 09:54.37 | CIA-158 | rhombus-tech: Edwyn master * rf98153a49981 /allwinner_a10/a10_mmc_boot.mdwn: |
| 09:54.49 | hp__ | hehe thats me |
| 09:54.51 | mnemoc | https://github.com/amery/linux-allwinner/commit/93d057fd8523714a85f5f69276c2ef9f3ee918de |
| 09:55.16 | mnemoc | hp__: we are watching you :p |
| 09:55.41 | hp__ | hehe :) |
| 09:55.51 | hp__ | you are amery |
| 09:56.10 | mnemoc | yes |
| 09:56.47 | hp__ | the thing is real real support is nearly a day job whow |
| 09:57.02 | hp__ | you spend allot of effort on this - respect! |
| 09:57.16 | mnemoc | nah, not that much as you could believe |
| 09:57.24 | hp__ | :) |
| 09:57.41 | mnemoc | I mostly only work on this some hours on weekends |
| 09:57.41 | hp__ | fbcon running would be very nice |
| 09:57.47 | hp__ | ah |
| 09:57.55 | mnemoc | yes, that's my current task |
| 09:58.13 | mnemoc | https://github.com/amery/linux-allwinner/issues/6 |
| 09:59.17 | hp__ | mnemoc: the 2.6.36 tree .. where do i find the last version for the allwinner.. |
| 09:59.32 | hp__ | i'd like to dive in but first want to play arround with a semi-working system |
| 10:00.00 | mnemoc | it may look like I'm more active here because I permanently keep an irc window on my left display while $working$ |
| 10:00.19 | hp__ | firewall at work doesn't allow it for me |
| 10:00.29 | mnemoc | hp__: it work from home ;-) |
| 10:00.48 | hp__ | mnemoc: i'd get to distracted if i work from home.. |
| 10:01.16 | mnemoc | the wip/allwinner-v2.6.36-android/disp is the most decent branch on that repo |
| 10:02.13 | mnemoc | actually it's better the other way around |
| 10:02.26 | mnemoc | allwinner-v2.6.36-android branch + cherry-pick the disp hack |
| 10:05.25 | hp__ | git clone git://github.com/amery/linux-allwinner.git |
| 10:05.28 | mnemoc | as long the distraction doesn't make you *think*, it doesn't harm that much |
| 10:05.39 | hp__ | i guess thats the correct one |
| 10:06.01 | hp__ | mnemoc: hehe well to many hobbies here to get distracted |
| 10:06.21 | mnemoc | not sure if "correct" is the right term, but that is the one I use :) |
| 10:06.27 | mnemoc | (and maintain) |
| 10:06.56 | mnemoc | this is my hobbie ;-) |
| 10:10.49 | hp__ | trying to find the root github:) |
| 10:11.37 | mnemoc | what do you mean? |
| 10:11.38 | hp__ | linux-3.3-sun4i from jmchen |
| 10:11.56 | mnemoc | a merge of 3.3.1 iirc |
| 10:12.14 | hp__ | is that your personel branch allwinner-v2.6.36-android? |
| 10:12.23 | hp__ | or from someone else |
| 10:12.27 | mnemoc | that only include the very core sun4i support |
| 10:12.38 | mnemoc | not even the mmc driver is there |
| 10:14.52 | hp__ | ahh that one is really bare.. i'll clone your linux-allwinner github.. that is going to take awhile |
| 10:14.55 | hp__ | i guess |
| 10:16.37 | hp__ | ahh got it -b allwinner-v2.6.36-android |
| 10:27.37 | hp__ | did you read this |
| 10:27.41 | hp__ | www.cnx-software.com |
| 10:32.41 | hp__ | its posted today |
| 10:35.20 | vgrade | morning all |
| 10:35.32 | hp__ | hi vgrade |
| 10:35.33 | vgrade | time for some more evil hacks :) |
| 10:35.49 | hp__ | vgrade: hehe you just killed some stuff and it worked? :) |
| 10:36.30 | vgrade | X comes up and I get ubuntu login gui |
| 10:36.47 | hp__ | on 2.6.36? |
| 10:36.52 | vgrade | yes |
| 10:37.00 | vgrade | but I don't have usb host |
| 10:37.24 | hp__ | so your keyboard doesn't work? |
| 10:37.34 | vgrade | I compared the ubuntu evb.bin and the script.bin which mnemoc linked for me |
| 10:37.48 | vgrade | hp_, nod, no kb |
| 10:37.52 | rz2k | hp__: that is useless until 3.0.8 a10 kernel will be available open source. |
| 10:38.18 | rz2k | will check modules pack tho. I need usbgadget cdc-ether. |
| 10:38.40 | vgrade | there are some differences in the usb_host_init paramenters so I'm planning to rebuild a new bin today |
| 10:43.31 | mnemoc | vgrade: zenitraM worked something on the differences, you may want to talk with him about it |
| 10:44.13 | mnemoc | hp__: you can switch branches after clonning |
| 10:46.55 | mnemoc | zenitraM: what about a repo of .fex and .bin files of different devices? |
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| 10:47.02 | vgrade | mnemoc, nod |
| 10:48.04 | vgrade | I also noted the bin in the ubuntu image states a differnent EVB board revision |
| 10:48.35 | vgrade | to the revision in the script.bin |
| 10:49.35 | vgrade | mnemoc, good idea for repo of .fex and .bins |
| 10:50.06 | mnemoc | as zenitraM made the decompiler I think he is the right person to host such repo |
| 10:51.11 | vgrade | I'll extract files from my device today, I assume there are instructions to do that on the wiki somewhere |
| 10:51.49 | mnemoc | just mount nanda (vfat) and copy everything there into the SD |
| 10:52.45 | mnemoc | you want to backup your android build.prop too |
| 10:53.50 | mnemoc | it's an easy way to identify the board under the brand, or the no-brand |
| 10:57.23 | vgrade | mnemoc, cheers |
| 11:04.04 | hp__ | ffg |
| 11:05.18 | hp__ | wel that worked |
| 11:05.20 | hp__ | hehe |
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| 13:30.27 | rz2k | mnemoc: could you please share .config for allwinner-v3.0-android that compiles? default build.sh with sun4i/sun4i_crane/sun4i-lite fails for me. toolchain is codesourcery latest. I dont look now for full kernel running on my device, I need only one module. |
| 13:31.16 | rz2k | or v3.0-android branch is not compilable right now and I need to switch to other one? |
| 13:32.42 | mnemoc | rz2k: http://dpaste.com/739257/ this is what I'm currently using in allwinner-v3.0-android |
| 13:32.51 | rz2k | logs http://pastebin.com/Kk9hCMDa http://pastebin.com/BpkvJ2aJ http://pastebin.com/xXVBsEre |
| 13:33.10 | mnemoc | there are a bunch of drivers which are not yet ported |
| 13:33.18 | rz2k | I'm new to a10 development, maybe I'm doing something wrong :3 |
| 13:33.19 | mnemoc | so in that diff I disable them |
| 13:33.27 | rz2k | will try that now, thanks |
| 13:34.50 | mnemoc | the diff includes some bits of the wip/allwinner-v3.0-android/disp branch, but that shouldn't affect |
| 13:35.06 | mnemoc | CONFIG_FB_CFB_* |
| 13:35.38 | mnemoc | beware it only works over ethernet or serial console, no fb yet |
| 13:36.18 | mnemoc | uhm... you want a module |
| 13:36.51 | mnemoc | rz2k: you won't be able to inject a module built there on a running gpl-violating 3.0.8+ system |
| 13:37.41 | mnemoc | well... maybe you do, depending on what module and how you mangle the versioning |
| 13:38.12 | rz2k | I just need some luck and vermagic changed in .ko header. |
| 13:38.26 | rz2k | I need cdc-ethernet from usbgadgets |
| 13:38.58 | mnemoc | try :) |
| 13:46.47 | hp__ | arm-linux-gnueai-uImagegcc: Command not found |
| 13:46.56 | hp__ | looks like i am missing a tool |
| 13:47.05 | penguin42 | hp__: Or a - at the end |
| 13:47.29 | mnemoc | nope, an space when calling make |
| 13:47.52 | mnemoc | uImage got appended to CROSS_COMPILE |
| 13:49.45 | hp__ | compiling now |
| 13:49.54 | hp__ | thanks :) |
| 14:26.14 | CIA-158 | rhombus-tech: Francesco master * rb9413be6e160 /allwinner_a10/orders/frantal-preorder.mdwn: |
| 14:45.35 | hp__ | "mkimage" command not found - U-Boot images will not be built |
| 14:45.46 | hp__ | looks like i need to add something in the wiki |
| 14:48.23 | penguin42 | that's part of the uboot tools isn't it? |
| 14:48.33 | hno | hp_, you need u-boot tools installed. |
| 14:48.51 | mnemoc | hp__: apt-get install u-boot-tools |
| 14:49.14 | CIA-158 | rhombus-tech: Edwyn master * rf71adb4404d9 /allwinner_a10/a10_mmc_boot.mdwn: |
| 15:01.16 | hp__ | mnemoc: added it to the wiki if noboddy minds |
| 15:01.41 | mnemoc | noticed :) |
| 15:18.20 | mnemoc | rz2k: did you get it compiled? |
| 15:19.37 | hp__ | mnemoc: its wierd.. i got no errors along the way .. how long should one wait until see something from sd-card boot? |
| 15:21.06 | mnemoc | hp__: what do you mean by "see"? |
| 15:21.11 | rz2k | yep, but my tablet doing weird things right now |
| 15:21.46 | hp__ | mnemoc: on the monitor |
| 15:22.09 | hp__ | hdmi cable + monitor works, just tested with old android on the melee |
| 15:22.15 | rz2k | mm, freeze on android logo, thats so 1.0 :3 |
| 15:22.38 | hp__ | my monitor just stays blank.. nothing happening |
| 15:23.32 | mnemoc | look at the output on the serial console |
| 15:23.47 | hp__ | mnemoc: its in the mail still :) |
| 15:24.01 | mnemoc | arm is not like x86, everything needs to go really well so you get to see something on a display |
| 15:24.44 | hp__ | well i'm not even weeing u-boot |
| 15:24.57 | vgrade | mnemoca and even when you do see something you can't interact with it |
| 15:24.57 | hp__ | weeing = seeing |
| 15:25.08 | mnemoc | vgrade: :) |
| 15:25.27 | mnemoc | hp__: uboot doesn't talk to displays |
| 15:25.27 | hp__ | with the 2.6.3x i hope |
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| 15:25.38 | hp__ | mnemoc: is a pre-requiset to have a keyboard attached? |
| 15:26.26 | mnemoc | hp__: no, a keyboard is just an optional input device |
| 15:27.31 | rz2k | this is super weird, I've copied my .ko on internal sd card and rebooted tablet, then it got freeze right after boot and now freezing on second logo (probably second bootloader or smth like that). :3 |
| 15:27.41 | mnemoc | hp__: but you could check how early is your problem by connecting an ehternet cable and seeing if the lights go on |
| 15:29.36 | hp__ | mnemoc: ok |
| 15:30.27 | mnemoc | hp__: but aren't you in taipei? I would expect you to be able to buy a ttl/serial adapter on any grosery store there ;-) |
| 15:30.40 | mnemoc | ttl/usb |
| 15:30.56 | hp__ | mnemoc: i am :) |
| 15:31.01 | hp__ | eth0 turn on |
| 15:31.15 | mnemoc | good, so you have a running kernel |
| 15:31.17 | hp__ | eth lights turn on |
| 15:31.49 | hp__ | but kernel that doesn't get an ip to that device or? |
| 15:32.10 | hp__ | mnemoc: language is the biggest problem for me here in taipei |
| 15:34.13 | hp__ | maybee i should just compile allwinner source to see if that works |
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| 15:34.57 | rz2k | looks like my nand is screwed |
| 15:37.47 | vgrade | hp_ let me know how you get on, still having usb host issues here. I'm coming to the conclusion that the stock source is not what was used to build the kernel shipped with the device |
| 15:43.19 | mnemoc | vgrade: I see my keyboard been detected when plugging it in the mele with open source kernel |
| 15:45.59 | mnemoc | vgrade: with stock script.bin |
| 15:50.21 | vgrade | mnemoc, yea I thought I saw you say that. with sun4i_defconfig? |
| 15:52.15 | vgrade | is that the allwinner github repo or one of your branches? |
| 15:53.06 | vgrade | I wonder what's different in my setup |
| 15:53.53 | mnemoc | vgrade: allwinner-v3.0-android |
| 15:54.23 | mnemoc | but i've only used serial console and ssh |
| 15:54.35 | hp__ | mnemoc: and wifi? |
| 15:55.22 | rz2k | whats the odds of that I killed nand by remounting sdcard in android couple of times? :3 |
| 15:55.24 | mnemoc | modprobe of the not-rtlwifi driver works, but haven't used it |
| 15:55.47 | mnemoc | rz2k: zero |
| 15:55.50 | mnemoc | bbl |
| 15:55.55 | hp__ | mnemoc: i read the normal ethernet socket gives problems? |
| 15:56.05 | rz2k | agreed |
| 15:58.59 | vgrade | mnemoc, so you've only seen your keybord being recognised with that branch and not the stock? |
| 16:00.25 | vgrade | that gives me something to go on |
| 16:01.09 | rz2k | lolwtf, connected tablet to windows pc, it booted ok and working |
| 16:08.09 | CIA-158 | rhombus-tech: master * r9f659d796c88 /allwinner_a10/orders/al1k.mdwn: |
| 16:09.21 | CIA-158 | rhombus-tech: master * r5e2a67a331f1 /allwinner_a10/orders/al1k.mdwn: |
| 16:36.33 | mnemoc | hp__: there is a driver mangled by allwinner for the wifi that works, and the rtlwifi one officially on the tree which doesn't |
| 16:37.39 | mnemoc | vgrade: I've never used the stock android neither Tom's image. I have zero interest in using the gpl-violating systems. In the open source one dmesg shows the keyboard been detected |
| 16:44.48 | mnemoc | vgrade: but I'm more inclined to believe your problem is script.bin related and not something in the kernel |
| 16:53.24 | *** part/#arm-netbook QingPei (~qingpei@124.64.123.16) |
| 17:41.26 | rz2k | seems like my tablet fail is related to power rail shieldings |
| 17:42.20 | rz2k | when I have my fingers on LCD flex-pcb and around - tablet goes ok, if not - infinite bootloop or just random freezes |
| 17:43.19 | penguin42 | yeuch! |
| 17:44.45 | rz2k | also that flex-pcb lays right on battery connector. |
| 17:46.06 | mnemoc | o_O |
| 17:50.23 | CIA-158 | rhombus-tech: christian master * r0b08cc477393 /allwinner_a10/orders/saint.mdwn: |
| 18:12.00 | CIA-158 | rhombus-tech: lkcl master * r6f6ca7548cec /allwinner_a10/orders/ (3 files): order processing cleanup |
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| 18:40.48 | penguin42 | sees lkcl's picture of the mele - is that a ring of solder around the CPU+RAMs? |
| 18:42.02 | mnemoc | nah, it's real metal |
| 18:42.36 | mnemoc | penguin42: this is more clear http://i.imgur.com/1xd2j.jpg |
| 18:43.33 | penguin42 | oh, why - did they solder a can over it or something? |
| 18:43.36 | mnemoc | all a10-based boards I've seen have it |
| 18:44.01 | mnemoc | initially I thought it was a sort of "module" |
| 18:44.07 | mnemoc | but they all have different shapes |
| 18:44.11 | mnemoc | grounding maybe? |
| 18:44.21 | mnemoc | I don't know anything about electronics |
| 18:44.56 | penguin42 | mnemoc: I don't know enough about it either; I've seen where they cut the inside power planes to give different power planes to stuff in a range - but never seen anything on the top |
| 18:45.44 | mnemoc | Important to note it doesn't go till the other side http://i.imgur.com/ti5Z2.jpg |
| 18:45.50 | MaDMaLKaV | wifi antennae? |
| 18:46.20 | mnemoc | MaDMaLKaV: the wifi chip is on the corner, next to the power button |
| 18:46.31 | mnemoc | seems connected to the screw that goes to the chassis |
| 18:47.02 | penguin42 | and there seem to be a fair number of slots/gaps in that ring |
| 18:47.16 | penguin42 | which I'm guessing are connected to the ground plane - but very odd |
| 18:47.34 | penguin42 | is that white gloop from a heatsink? |
| 18:47.51 | mnemoc | yes |
| 18:52.04 | mnemoc | MaDMaLKaV: from my ignorance I would assume it to be a very bad idea to put an antenna around the SoC and ram chips |
| 18:52.59 | penguin42 | mnemoc: Heatsink wasn't connected to that ring was it? |
| 18:53.38 | mnemoc | penguin42: there is an spot where the heatsink is over the ring on mine.... not sure if that's intentional |
| 18:53.55 | mnemoc | it's clearly applied by a very bored person |
| 18:54.08 | penguin42 | ? |
| 18:54.41 | mnemoc | there is some on the side of the rj45 connector too |
| 18:55.11 | penguin42 | oh not like it has 'help help I'm trapped in a heatsink factory' written underneath |
| 18:55.44 | ManoftheSea | Help, I'm trapped in a Universe factory |
| 18:56.00 | mnemoc | http://armdevices.net/2012/04/23/the-shenzhen-speakers-factory/ <--- watched these? |
| 18:57.35 | penguin42 | watches |
| 18:57.38 | penguin42 | so much manual assembly |
| 18:58.41 | mnemoc | same gang will assemble cortex-a9 HD phones next |
| 19:00.52 | penguin42 | carful use of a mallet at 4:03 |
| 19:01.43 | mnemoc | I pretty much can visualize now a girl putting heatsink on my mele after 16h standing on a similar production line |
| 19:02.19 | specing | melees have a heatsink? |
| 19:02.46 | mnemoc | specing: on some components, yes. http://i.imgur.com/1xd2j.jpg |
| 19:03.27 | specing | My tablet has no heatsinks... |
| 19:03.47 | mnemoc | your tablet has the battery glued to the display |
| 19:03.48 | hno | mnemoc, on which ones? Mine do not have any heatsinks. Only some glue to keep hole mounted components in place during welding. |
| 19:04.00 | specing | mnemoc: true ;) |
| 19:04.28 | mnemoc | hno: it's glue? uh... I was sure it has some sort of heatsink |
| 19:04.45 | hno | heatsinks are pieces of metal to dissipate heat.. |
| 19:04.57 | hno | glue isolates heat.. |
| 19:05.08 | mnemoc | scratches his head |
| 19:05.21 | penguin42 | although you get some heattransfer compounds that don't look much different from glue |
| 19:05.26 | mnemoc | I was sure I've heard of heatsink paste before |
| 19:05.29 | penguin42 | white-gloopie stuff often |
| 19:05.39 | penguin42 | mnemoc: Yeh it goes between the chip and the metal |
| 19:05.52 | mnemoc | i see |
| 19:05.55 | hno | tue, but that's a transfer, not heatsink. |
| 19:06.07 | penguin42 | mnemoc: It helps cope with the fact the chip and heatsink might not be 100% flat and helps the heat go from the chip to the metal |
| 19:06.46 | hno | well, a heat sink do not need to be metal, but it needs to have a large surface, much larger than the component it attaches to. |
| 19:07.12 | hno | and good heat transfer properties. |
| 19:08.48 | mnemoc | thanks for clarifying |
| 19:08.52 | hno | quite often the case is used as a heat sink. But not in the mele. |
| 19:09.17 | hno | the mele is cooled by passive air flow only. |
| 19:09.20 | mnemoc | hno: and what's the metal ring around the SOC+RAM for? grounding? |
| 19:09.46 | penguin42 | hey that's my question :-) |
| 19:10.06 | hno | that's for soldering an RF shield, which they have cost-optimized away. |
| 19:10.20 | mnemoc | narf |
| 19:10.31 | penguin42 | or add when they're trying to actually meet EMC regs? |
| 19:11.44 | hno | Not for the EMC tests, but needed for radiation tests. |
| 19:12.57 | hno | not radiation, emission. |
| 19:13.18 | hno | gives up.. lost in translation. |
| 19:13.34 | penguin42 | same thing |
| 19:13.49 | hno | yes. |
| 19:14.06 | penguin42 | I'd say that's what the EMC tests are - well half of them |
| 19:14.17 | hno | agreed. |
| 19:15.19 | penguin42 | yeh I thought so - the slots in that ring look like places to solder the shield too |
| 19:16.23 | hno | the big holes are for holding the shield in place. All the metal areas are for soldering. |
| 19:16.46 | penguin42 | oh, that is enthusiastic |
| 19:18.44 | hno | if you look closely you see it's not a ring. Part is only paint. |
| 19:19.59 | mpthompson | I got my Mele A1000 earlier this week and I finally am getting some time to play with it. Are the instructions at: http://rhombus-tech.net/allwinner_a10/hacking_the_mele_a1000/ the best to followin for getting a working Debian/Ubuntu kernel on it? |
| 19:20.11 | hno | the small holes are vias that connect to the bottom side ground plane. |
| 19:20.34 | hno | mpthompson, I would guess the best method is to grab the existing Ubuntu image. |
| 19:24.29 | mpthompson | Is the ubuntu image the one that was placed in drop box and mentioned in the email lists? |
| 19:24.52 | hno | yrd |
| 19:24.55 | hno | yes |
| 19:26.17 | mpthompson | OK, I'll see what I can do with it. I'm assuming that it will with an SD card containing the Ubuntu image, it will boot without affecting the shipping firmware in NAND. I may still want to use it as a media device. :-) |
| 19:58.36 | *** join/#arm-netbook mikey_w (~mike@c-71-63-115-202.hsd1.va.comcast.net) |
| 19:58.56 | *** join/#arm-netbook mike_ (~mike@c-71-63-115-202.hsd1.va.comcast.net) |
| 20:03.34 | hno | Hmm.. that little 14 pin thing close to the JTAG port seems to be a 8-bit microcontroller. |
| 20:04.12 | hno | SN8P2501BSG |
| 20:04.37 | hno | By SONiX |
| 20:05.39 | hno | http://www.sonix.com.tw/sonix/product.do?p=SN8P2501B |
| 20:08.10 | penguin42 | ah just what the world needs, yet another 8 bit micro |
| 20:08.18 | penguin42 | checks which century we're in |
| 20:10.02 | specing | looks like a heavily handicapped PIC with the processing speed of an AVR |
| 20:10.53 | specing | they could have use the attiny24/44 in there, would have much much more power |
| 20:11.09 | mnemoc | :) |
| 20:11.46 | specing | is an AVR addict |
| 20:13.35 | specing | http://www.mouser.com/ProductDetail/Atmel/ATTINY24A-SSU/?qs=nE%2fgAoToukHLLCPUYlgzUvjAx5fnPtVP |
| 20:24.59 | hno | I suspect it's for remote power on. |
| 20:25.32 | hno | the A10 is powered off in power off mode. |
| 20:26.41 | specing | :S |
| 20:26.47 | specing | I would so love an AVR there |
| 20:26.55 | specing | I'd be all over it in no time |
| 20:31.22 | ManoftheSea | penguin42: you'd have to check the decade. computings not a century old yet |
| 20:33.01 | hno | computing have a long history. computing using semiconductors not so long. |
| 20:40.18 | hno | First known computer is from 150 B.C. |
| 20:41.09 | hno | analog mechanic single purpose. |
| 20:41.52 | mnemoc | the greeks had some very nice steam and dripping water automanic machines in their temples... |
| 20:57.55 | penguin42 | first thing programmable from mid 1930's |
| 20:58.35 | penguin42 | and then there was Babbage's stuff from the late 18xx - not that he ever built the programmable stuff |
| 20:59.38 | ManoftheSea | well, okay |
| 20:59.49 | ManoftheSea | I'm aware. |
| 21:00.16 | ManoftheSea | still, you're exaggerating to say 8-bit is last century. |
| 21:00.23 | ManoftheSea | It may be ten internets ago, but... |
| 21:01.14 | penguin42 | ManoftheSea: I meant last century as before 2000 |
| 21:01.55 | hno | specing, that micro is OTP with no access to program memory. So qualifies as an purely electric circuit by FSF standards. |
| 21:04.12 | specing | :( |
| 21:09.23 | mnemoc | http://en.wikipedia.org/wiki/Hero_of_Alexandria made programmable machines :) |
| 21:09.43 | ManoftheSea | ah, that's fine then. |
| 21:10.51 | mnemoc | he was also very close to make steam engines... sadly no one continued his work |
| 21:17.55 | mnemoc | hno was probably refering to http://en.wikipedia.org/wiki/Antikythera_mechanism |
| 21:22.40 | mnemoc | good night |
| 21:29.22 | hno | mnemoc, yes. |
| 21:32.14 | destinal | mnemoc: one of those things right, innovations generally show up at "their time" . ie having steam engines earlier wouldn't have necessarily made them practical to mass produce if other processes weren't in place. you might have seen a few in key places. |
