45 lines
1.6 KiB
Python
45 lines
1.6 KiB
Python
#!/usr/bin/python
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import sys
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import requests
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import Adafruit_DHT
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import config
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import RPi.GPIO as GPIO
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# Try to read the state of GPIO_PIN_TANKFULL
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GPIO.setmode(GPIO.BCM)
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GPIO.setup(config.GPIO_PIN_TANKFULL, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
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# tank sensor has inverse logic - 0 when it is full 1 when it is not
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# so we are inverting its value here
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tankFull = (not GPIO.input(config.GPIO_PIN_TANKFULL))
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GPIO.cleanup()
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print 'Bacva puna: {}'.format(tankFull)
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# Go on to DHT
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SENSOR_TYPE = Adafruit_DHT.DHT11
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controller_id = config.CONTROLLER_ID
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owner = "Controller: %s" % controller_id
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# Try to grab a sensor reading. Use the read_retry method which will retry up
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# to 15 times to get a sensor reading (waiting 2 seconds between each retry).
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humidity, temperature = Adafruit_DHT.read_retry(SENSOR_TYPE, config.GPIO_PIN_DHT)
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# Un-comment the line below to convert the temperature to Fahrenheit.
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# temperature = temperature * 9/5.0 + 32
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# Note that sometimes you won't get a reading and
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# the results will be null (because Linux can't
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# guarantee the timing of calls to read the sensor).
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# If this happens try again!
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if temperature is not None and humidity is not None:
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response = requests.post(config.SENSORDATA_URL, json={"owner": owner, "temperatureValue": temperature, "humidityValue":humidity, "tankFull":tankFull,
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"controllerId": controller_id
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})
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print 'Temp={0:0.1f}*C'.format(temperature)
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print 'Humidity={0:0.1f}%'.format(humidity)
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if response.status_code != 200:
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print 'Failed to send temperature!'
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else:
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print 'Failed to get reading. Try again!'
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