Last change
on this file since b86cdd7 was
8cc14b9,
checked in by Norbert Wigbels <njw@…>, 9 years ago
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Aufraeumen
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-
Property mode set to
100644
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File size:
1.2 KB
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Rev | Line | |
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[0955336] | 1 | #!/usr/bin/env ruby |
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| 2 | # |
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| 3 | # Author: Norbert Wigbels - foobla.wigbels.de/uber-foobla |
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| 4 | # |
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| 5 | # HotHotPiper continously reads the status of a |
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| 6 | # reed contact attached to the Raspberry Pi GPIO |
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| 7 | # |
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| 8 | # The reed measures gas usage. |
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| 9 | # |
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| 10 | # A magig URL is formed and called; the url |
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| 11 | # stores the sensor-data to wigbels.net |
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| 12 | # |
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| 13 | # todo: status-led |
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| 14 | # |
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| 15 | |
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| 16 | #------------------------------------------ |
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| 17 | # Tainted mode 0-4 |
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| 18 | $SAFE=0 |
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| 19 | |
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| 20 | #------------------------------------------ |
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| 21 | require 'pi_piper' |
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| 22 | include PiPiper |
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| 23 | |
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[53aed1c] | 24 | $mypath = File.expand_path(File.dirname(__FILE__)) |
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[daaef3e] | 25 | |
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[0955336] | 26 | |
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[c22952c] | 27 | def last_rrd_count |
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| 28 | val = 0.0 |
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| 29 | handle = IO.popen("rrdtool lastupdate #{$mypath}/power.rrd") |
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| 30 | handle.each_line do |line| |
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| 31 | m = line.match("^[0-9]*: ([0-9.]*) [0-9.]*") |
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| 32 | if m |
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| 33 | val = m[1].to_f |
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| 34 | break |
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| 35 | end |
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| 36 | end |
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| 37 | return val |
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| 38 | end |
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| 39 | |
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| 40 | |
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[0955336] | 41 | watch :pin => 4, :trigger => :falling do |
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[4fd0ab9] | 42 | puts('added 10 liter of gas to sensor-database') |
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[53aed1c] | 43 | system("rrdtool update #{$mypath}/gas.rrd N:10") |
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[0955336] | 44 | end |
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| 45 | |
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[c22952c] | 46 | watch :pin => 11, :trigger => :falling do |
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| 47 | puts('updated power consumption') |
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| 48 | $counter = $counter + $trigger_step |
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| 49 | trigger_update = $trigger_step * 3600000.0 |
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| 50 | system("rrdtool update #{$mypath}/power.rrd N:#{$counter}:#{trigger_update}") |
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| 51 | end |
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| 52 | |
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| 53 | $trigger_step = 1.0 / 96 |
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| 54 | $counter = last_rrd_count |
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| 55 | |
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[0955336] | 56 | PiPiper.wait |
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