Last change
on this file since b62bf13 was
b62bf13,
checked in by Norbert Wigbels <njw@…>, 8 years ago
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Path, Gasverbrauch
|
-
Property mode set to
100644
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File size:
691 bytes
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Rev | Line | |
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[8cc14b9] | 1 | require 'pi_piper' |
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| 2 | include PiPiper |
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| 3 | |
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| 4 | mypath = File.expand_path(File.dirname(__FILE__)) |
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| 5 | trigger_step = 1.0 / 96 |
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| 6 | counter = 0 |
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| 7 | |
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| 8 | def last_rrd_count(concretepath) |
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| 9 | val = 0.0 |
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| 10 | handle = IO.popen("rrdtool lastupdate #{concretepath}") |
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| 11 | handle.each_line do |line| |
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| 12 | m = line.match("^[0-9]*: ([0-9.]*) [0-9.]*") |
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| 13 | if m |
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| 14 | val = m[1].to_f |
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| 15 | break |
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| 16 | end |
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| 17 | end |
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| 18 | return val |
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| 19 | end |
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| 20 | |
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| 21 | |
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| 22 | watch :pin => 11, :trigger => :falling do |
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| 23 | puts('updated power consumption') |
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| 24 | counter = counter + trigger_step |
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| 25 | trigger_update = trigger_step * 3600000.0 |
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[b62bf13] | 26 | system("rrdtool update #{rrdpath} N:#{counter}:#{trigger_update}") |
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[8cc14b9] | 27 | end |
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| 28 | |
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| 29 | rrdpath = mypath + "/power.rrd" |
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| 30 | counter = last_rrd_count(rrdpath) |
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| 31 | PiPiper.wait |
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