Changeset c22952c for de.wigbels.ruby/hothotread/hothotpiper.rb

Timestamp:

Dec 5, 2015, 9:53:28 PM (8 years ago)

Author:

Norbert Wigbels <njw@…>

Branches:

master

Children:

8cc14b9

Parents:

b342b88

Message:

Stromzaehler

File:

• de.wigbels.ruby/hothotread/hothotpiper.rb (modified) (2 diffs)

de.wigbels.ruby/hothotread/hothotpiper.rb

@@ -19 +19 @@
 
 #------------------------------------------
-require 'net/http'
 require 'pi_piper'
-
 include PiPiper
 
@@ -27 +25 @@
 
 
+def last_rrd_count
+  val = 0.0
+  handle = IO.popen("rrdtool lastupdate #{$mypath}/power.rrd")
+  handle.each_line do |line|
+    m = line.match("^[0-9]*: ([0-9.]*) [0-9.]*")
+    if m
+      val = m[1].to_f
+      break
+    end
+  end
+  return val
+end
+
+
 watch :pin => 4, :trigger => :falling do 
   puts('added 10 liter of gas to sensor-database')
-  Net::HTTP.get(URI.parse('http://www.wigbels.net/cgi-bin/hhw.rb?sensorid=1&data=10'))
   system("rrdtool update #{$mypath}/gas.rrd N:10")
 end
 
+watch :pin => 11, :trigger => :falling  do
+  puts('updated power consumption')
+  $counter = $counter + $trigger_step
+  trigger_update = $trigger_step * 3600000.0
+  system("rrdtool update #{$mypath}/power.rrd N:#{$counter}:#{trigger_update}")
+end
+
+$trigger_step = 1.0 / 96
+$counter = last_rrd_count
+
 PiPiper.wait