[collectd] Onewire Plugin

2012-01-13 Thread Phil White
Hello all,

Long ago, I looked at collectd and 1-wire monitoring, and never progressed
because I had problems with owfs, and because of the plugin's
'experimental' status (though I do use collectd for other monitoring).

I revisited the issue the other day, and still can't get things to work
(though for different reasons).

I have DS18B20 as my temperature sensors, rather than the DS18S20 that the
plugin appears to recognise. These report themselves as a device with the
prefix '28', rather than 10 - therefore collectd does not record data from
these sensors.

Now, I'd rather like to have a play with the plugin, and attempt to get
this working. Rather than just submit a request, I'd rather like to get my
hands dirty, and fix it myself. Just because I have never done any coding
in C really shouldn't stop me, should it?! Another reason being that I also
have a device prefix '7E', which is somewhat different, and I'd also like
to see this one recognised.

Therefore, can someone offer some 'beginners tips' as to how I'm going to
start on the '28' issue - advice  info? Which files, and what I need to do
in order not to break anything?

Many thanks,

Phil
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Re: [collectd] Onewire Plugin

2012-01-13 Thread Tomas

Hi Phil,

you could use my patch  - see 
http://mailman.verplant.org/pipermail/collectd/2011-November/004810.html

This would solve your problem with device family 28 (had the same problem).
For the other device with 7E you can use the other option which offers 
the patch - to use direct accss by specifying the whole OWFS path 
(also documented in the patch).


Or just use it as an inspiration :-)

Best regards,
Tomas

On 13/01/2012 14:55, Phil White wrote:

Hello all,

Long ago, I looked at collectd and 1-wire monitoring, and never 
progressed because I had problems with owfs, and because of the 
plugin's 'experimental' status (though I do use collectd for other 
monitoring).


I revisited the issue the other day, and still can't get things to 
work (though for different reasons).


I have DS18B20 as my temperature sensors, rather than the DS18S20 that 
the plugin appears to recognise. These report themselves as a device 
with the prefix '28', rather than 10 - therefore collectd does not 
record data from these sensors.


Now, I'd rather like to have a play with the plugin, and attempt to 
get this working. Rather than just submit a request, I'd rather like 
to get my hands dirty, and fix it myself. Just because I have never 
done any coding in C really shouldn't stop me, should it?! Another 
reason being that I also have a device prefix '7E', which is somewhat 
different, and I'd also like to see this one recognised.


Therefore, can someone offer some 'beginners tips' as to how I'm going 
to start on the '28' issue - advice  info? Which files, and what I 
need to do in order not to break anything?


Many thanks,

Phil


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Re: [collectd] Onewire Plugin

2012-01-13 Thread Phil White
Hi Tomas,

Thanks - I'll have a look over the weekend, and let you know how I get on.

Cheers

On 13 January 2012 16:52, Tomas tomasa...@googlemail.com wrote:

  Hi Phil,

 you could use my patch  - see
 http://mailman.verplant.org/pipermail/collectd/2011-November/004810.html
 This would solve your problem with device family 28 (had the same problem).
 For the other device with 7E you can use the other option which offers the
 patch - to use direct accss by specifying the whole OWFS path (also
 documented in the patch).

 Or just use it as an inspiration :-)

 Best regards,
 Tomas


 On 13/01/2012 14:55, Phil White wrote:

 Hello all,

 Long ago, I looked at collectd and 1-wire monitoring, and never progressed
 because I had problems with owfs, and because of the plugin's
 'experimental' status (though I do use collectd for other monitoring).

 I revisited the issue the other day, and still can't get things to work
 (though for different reasons).

 I have DS18B20 as my temperature sensors, rather than the DS18S20 that the
 plugin appears to recognise. These report themselves as a device with the
 prefix '28', rather than 10 - therefore collectd does not record data from
 these sensors.

 Now, I'd rather like to have a play with the plugin, and attempt to get
 this working. Rather than just submit a request, I'd rather like to get my
 hands dirty, and fix it myself. Just because I have never done any coding
 in C really shouldn't stop me, should it?! Another reason being that I also
 have a device prefix '7E', which is somewhat different, and I'd also like
 to see this one recognised.

 Therefore, can someone offer some 'beginners tips' as to how I'm going to
 start on the '28' issue - advice  info? Which files, and what I need to do
 in order not to break anything?

 Many thanks,

 Phil


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