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Diffstat (limited to 'python/examples/Adafruit_Python_DHT/Adafruit_DHT/Test.py')
| -rw-r--r-- | python/examples/Adafruit_Python_DHT/Adafruit_DHT/Test.py | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/python/examples/Adafruit_Python_DHT/Adafruit_DHT/Test.py b/python/examples/Adafruit_Python_DHT/Adafruit_DHT/Test.py new file mode 100644 index 0000000..57db439 --- /dev/null +++ b/python/examples/Adafruit_Python_DHT/Adafruit_DHT/Test.py @@ -0,0 +1,33 @@ +# 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 common +import Test_Driver as driver + +def read(sensor, pin): + # Get a reading from C driver code. + result, humidity, temp = driver.read(sensor, pin) + if result in common.TRANSIENT_ERRORS: + # Signal no result could be obtained, but the caller can retry. + return (None, None) + elif result != common.DHT_SUCCESS: + # Some kind of error occured. + raise RuntimeError('Error calling DHT test driver read: {0}'.format(result)) + return (humidity, temp) |
