dweet fix again

app/controller/sensors.py

@@ -0,0 +1,60 @@
+#!/usr/bin/python
+import sys
+import requests
+import Adafruit_DHT
+import config
+import RPi.GPIO as GPIO
+
+# Try to read the state of GPIO_PIN_TANKLEVELx and GPIO_PIN_TANKFULL
+GPIO.setmode(GPIO.BCM)
+GPIO.setup(config.GPIO_PIN_TANKLEVEL0, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
+GPIO.setup(config.GPIO_PIN_TANKLEVEL1, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
+GPIO.setup(config.GPIO_PIN_TANKLEVEL2, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
+GPIO.setup(config.GPIO_PIN_TANKLEVEL3, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
+GPIO.setup(config.GPIO_PIN_TANKLEVEL4, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
+GPIO.setup(config.GPIO_PIN_TANKFULL, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
+
+# tank sensor has inverse logic - 0 when it is full 1 when it is not
+# so we are inverting its value here
+tankLevel0 = (GPIO.input(config.GPIO_PIN_TANKLEVEL0) == GPIO.LOW)
+tankLevel1 = (GPIO.input(config.GPIO_PIN_TANKLEVEL1) == GPIO.LOW)
+tankLevel2 = (GPIO.input(config.GPIO_PIN_TANKLEVEL2) == GPIO.LOW)
+tankLevel3 = (GPIO.input(config.GPIO_PIN_TANKLEVEL3) == GPIO.LOW)
+tankLevel4 = (GPIO.input(config.GPIO_PIN_TANKLEVEL4) == GPIO.LOW)
+tankFull = (GPIO.input(config.GPIO_PIN_TANKFULL) == GPIO.LOW)
+
+GPIO.cleanup()
+print 'Bacva Level0: {}'.format(tankLevel0)
+print 'Bacva Level1: {}'.format(tankLevel1)
+print 'Bacva Level2: {}'.format(tankLevel2)
+print 'Bacva Level3: {}'.format(tankLevel3)
+print 'Bacva Level4: {}'.format(tankLevel4)
+print 'Bacva puna: {}'.format(tankFull)
+
+# Go on to DHT
+SENSOR_TYPE = Adafruit_DHT.DHT11
+controller_id = config.CONTROLLER_ID
+owner = "Controller: %s" % controller_id
+
+# 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_TYPE, config.GPIO_PIN_DHT)
+
+# 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 and humidity is not None:
+    response = requests.post(config.SENSORDATA_URL, json={"owner": owner, "temperatureValue": temperature, "humidityValue":humidity, "tankLevel0": "1" if tankLevel0 else "0","tankLevel1": "1" if tankLevel1 else "0","tankLevel2": "1" if tankLevel2 else "0","tankLevel3": "1" if tankLevel3 else "0", "tankLevel4": "1" if tankLevel4 else "0", "tankFull": "1" if tankFull else "0",
+    "controllerId": controller_id
+    })
+    print 'Temp={0:0.1f}*C'.format(temperature)
+    print 'Humidity={0:0.1f}%'.format(humidity)
+    if response.status_code != 200:
+        print 'Failed to send temperature!'
+
+else:
+    print 'Failed to get reading. Try again!'