sensor sampling mit socket

[svn42.git] / sensor_graph / sample_sensor3.lua

diff --git a/sensor_graph/sample_sensor3.lua b/sensor_graph/sample_sensor3.lua
new file mode 100755 (executable)
index 0000000..9d73d57
--- /dev/null
+++ b/sensor_graph/sample_sensor3.lua
@@ -0,0 +1,35 @@
+#!/usr/bin/lua
+require('os')
+require('string')
+require('io')
+--require('socket')
+
+function parse_value(str)
+  last_temp = 0.0
+  last_light = 0
+  if string.find(str,"Sensor T: Temp C:") then
+    last_temp = tonumber(string.sub(str,18))
+    os.execute(string.format("rrdtool update /home/sensortemp.rrd -t temp N:%f", last_temp))
+    print(string.format("t: %f Grad Celsius",last_temp))
+  end
+  if string.find(str,"Sensor P: Photo:") then
+    last_light = tonumber(string.sub(str,17))
+    os.execute(string.format("rrdtool update /home/sensorlight.rrd -t light N:%d", last_light))
+    print(string.format("p: %d",last_light))
+  end
+  if string.find(str,"movement") then
+    --last_movement=1
+    os.execute(string.format("rrdtool update /home/sensormovement.rrd -t movement N:%d", 1))
+  end
+end
+
+
+
+while 1 do
+   local line = io.read("*line")
+    if line then 
+      parse_value(line) 
+    else
+      break
+    end
+end