added temperature reader

controller/controller.py

@@ -1 +1,37 @@
-print("Hello TFM!")
+#!/usr/bin/python
+import sys
+import requests
+import Adafruit_DHT
+
+
+GPIO_PIN = 4
+TEMPERATURE_URL = 'http://tfm.meteor.com/api/temperatures'
+SENSOR_TYPE = Adafruit_DHT.DHT11
+
+if len(sys.argv) == 2:
+    owner = sys.argv[1]
+else:
+    print 'usage: sudo ./conntroler.py [OWNER]#'
+    print 'example: sudo ./controller.py Senad - Send temperature as Senad
+    sys.exit(1)
+
+# Try to grab a sensor reading.  Use the read_retry method which will retry up
+# to 15 times to get a sensor reading (waiting 2 seconds between each retry).
+humidity, temperature = Adafruit_DHT.read_retry(sensor, pin)
+
+# Un-comment the line below to convert the temperature to Fahrenheit.
+# temperature = temperature * 9/5.0 + 32
+
+# Note that sometimes you won't get a reading and
+# the results will be null (because Linux can't
+# guarantee the timing of calls to read the sensor).
+# If this happens try again!
+if temperature is not None:
+    response = requests.post(TEMPERATURE_URL, json={"owner": owner, "value": temperature})
+    print 'Temp={0:0.1f}*C'.format(temperature)
+    if response.status_code != 200:
+        print 'Failed to send temperature!'
+        sys.exit(2)
+else:
+    print 'Failed to get reading. Try again!'
+    sys.exit(1)