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Diffstat (limited to 'python/examples/Adafruit_Python_DHT/examples/simpletest.py')
| -rw-r--r-- | python/examples/Adafruit_Python_DHT/examples/simpletest.py | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/python/examples/Adafruit_Python_DHT/examples/simpletest.py b/python/examples/Adafruit_Python_DHT/examples/simpletest.py new file mode 100644 index 0000000..e8aa30d --- /dev/null +++ b/python/examples/Adafruit_Python_DHT/examples/simpletest.py @@ -0,0 +1,48 @@ +#!/usr/bin/python + +# Copyright (c) 2014 Adafruit Industries +# Author: Tony DiCola + +# Permission is hereby granted, free of charge, to any person obtaining a copy +# of this software and associated documentation files (the "Software"), to deal +# in the Software without restriction, including without limitation the rights +# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +# copies of the Software, and to permit persons to whom the Software is +# furnished to do so, subject to the following conditions: + +# The above copyright notice and this permission notice shall be included in all +# copies or substantial portions of the Software. + +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +# SOFTWARE. +import Adafruit_DHT + +# Sensor should be set to Adafruit_DHT.DHT11, +# Adafruit_DHT.DHT22, or Adafruit_DHT.AM2302. +sensor = Adafruit_DHT.DHT11 + +# Example using a Beaglebone Black with DHT sensor +# connected to pin P8_11. +pin = 'P8_11' + +# Example using a Raspberry Pi with DHT sensor +# connected to pin 23. +pin = 7 + +# 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) + +# 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 humidity is not None and temperature is not None: + print 'Temp={0:0.1f}*C Humidity={1:0.1f}%'.format(temperature, humidity) +else: + print 'Failed to get reading. Try again!' |
