www.8devices.com
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Sprite_tm
Joined: 25 Mar 2012, 17:37 Posts: 45
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25 Mar 2012, 18:23 |
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tgdavies
Joined: 22 Mar 2012, 22:23 Posts: 19
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Cool -- I mean hot!
Are you using parasitic power, or connecting 3.3v to the 1-wire devices too?
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26 Mar 2012, 01:27 |
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Sprite_tm
Joined: 25 Mar 2012, 17:37 Posts: 45
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At the moment, I'm using parasitic power - though I think the DS1820s need to have a bit more power than the parasitic pull-up can deliver... that's why I lowered the pull-up to 1K myself. It still works, although I get a CRC error every now and then, but I intend just to filter those out in software.
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26 Mar 2012, 06:23 |
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pakistano
Joined: 21 Mar 2012, 12:26 Posts: 2
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patch file is empty...
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27 Mar 2012, 20:11 |
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Sprite_tm
Joined: 25 Mar 2012, 17:37 Posts: 45
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Hmm, that's not right... moment, I'll see if I can find out what went wrong...
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27 Mar 2012, 20:18 |
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Sprite_tm
Joined: 25 Mar 2012, 17:37 Posts: 45
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Ok, no idea why the file ended up being zero-bytes, but I re-diffed and re-uploaded; it should be OK now.
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27 Mar 2012, 20:28 |
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tgdavies
Joined: 22 Mar 2012, 22:23 Posts: 19
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I got this working too, thanks to your instructions.
My kernel seems to be linux-3.2.13, not the linux-2.6.39.4 you mention, but the patch still applied and works (with a pair of DS1820s).
Am I misinterpreting the version number somehow?
Tom
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25 Apr 2012, 12:35 |
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Sprite_tm
Joined: 25 Mar 2012, 17:37 Posts: 45
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That's possible, perhaps they've updated the git repo. I'll take a look at it when I have the time.
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25 Apr 2012, 16:08 |
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ssozonoff
Joined: 22 May 2012, 08:47 Posts: 18
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Hi All, Currently testing with a DS1990A and the latest kernel but no luck so far The iButton is not seen by the Carambola. I will keep hammering away at it. BTW any reason you went for 3.3v instead of 5v ? Serge
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05 Jun 2012, 22:16 |
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Sprite_tm
Joined: 25 Mar 2012, 17:37 Posts: 45
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Hmm, I'll try to check it out with the new kernel when I'm done with the LCD driver. I've connected it to 3.3V because iirc the Carambolas inouts aren't 5V compatible.
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05 Jun 2012, 23:21 |
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