43 lines
818 B
Ruby
43 lines
818 B
Ruby
|
#!/usr/bin/env ruby
|
||
|
|
|
||
|
|
require 'pi_piper'
|
||
|
|
include PiPiper
|
||
|
|
|
||
|
|
mypath = File.expand_path(File.dirname(__FILE__))
|
||
|
|
trigger_step = 0.01
|
||
|
|
trigger_watch = 0
|
||
|
|
counter = 0
|
||
|
|
timestamp = Time.now.to_i
|
||
|
|
|
||
|
|
def last_rrd_count(concretepath)
|
||
|
|
val = 0.0
|
||
|
|
handle = IO.popen("rrdtool lastupdate #{concretepath}")
|
||
|
|
handle.each_line do |line|
|
||
|
|
m = line.match("^[0-9]*: ([0-9.]*) [0-9.]*")
|
||
|
|
if m
|
||
|
|
val = m[1].to_f
|
||
|
|
break
|
||
|
|
end
|
||
|
|
end
|
||
|
|
return val
|
||
|
|
end
|
||
|
|
|
||
|
|
|
||
|
|
watch :pin => 4, :trigger => :falling do
|
||
|
|
puts('added 10 liter of gas to sensor-database')
|
||
|
|
system("rrdtool update #{mypath}/gas.rrd N:10")
|
||
|
|
end
|
||
|
|
|
||
|
|
rrdpath = mypath + "/gasneu.rrd"
|
||
|
|
counter = last_rrd_count(rrdpath)
|
||
|
|
#loop do
|
||
|
|
# if trigger_watch == 1 then
|
||
|
|
# puts('trigger 1 detected')
|
||
|
|
# trigger_watch = 0
|
||
|
|
# else
|
||
|
|
# puts('trigger 0 detected')
|
||
|
|
# end
|
||
|
|
# sleep(1)
|
||
|
|
#end
|
||
|
|
PiPiper.wait
|