mirror of
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2f78d9f62b
* Moved body of each python example to main. This allows for basic
load module testing for CI
* General cleanup of python modules (crlf/tabs/prints/etc)
* Chmod'ed to 755 to allow running examples without specifying the
python interpreter
* Added ctest for loading python2/3 modules
* Added jniclasscode pragma for java swig interface files.
* Updated check_examplenames.py module to check all languages vs. a
cxx example name
* Added tests for checking python module and test loading
* Added 'make test' to travis-ci run (run ctests)
* Print a more meaningful message when not building cxx docs into
python modules
* Updated check_clean.py to only check java wrapper files
* ENABLED ctests for UPM
* Deleted using_carrays.py python example - this is covered by other
examples
Signed-off-by: Noel Eck <noel.eck@intel.com>
71 lines
2.9 KiB
Python
Executable File
71 lines
2.9 KiB
Python
Executable File
# Author: Sarah Knepper <sarah.knepper@intel.com>
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# Copyright (c) 2014 Intel Corporation.
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#
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# Permission is hereby granted, free of charge, to any person obtaining
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# a copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish,
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# distribute, sublicense, and/or sell copies of the Software, and to
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# permit persons to whom the Software is furnished to do so, subject to
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# the following conditions:
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#
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# The above copyright notice and this permission notice shall be
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# included in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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import time
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import array
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import pyupm_ldt0028 as ldt0028
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def main():
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NUMBER_OF_SECONDS = 10
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SAMPLES_PER_SECOND = 50
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THRESHOLD = 100
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# Create the LDT0-028 Piezo Vibration Sensor object using AIO pin 0
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sensor = ldt0028.LDT0028(0)
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# Read the signal every 20 milliseconds for 10 seconds
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print 'For the next', NUMBER_OF_SECONDS, 'seconds,', \
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SAMPLES_PER_SECOND, 'samples will be taken every second.\n'
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buffer = array.array('H')
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for i in range(0, NUMBER_OF_SECONDS * SAMPLES_PER_SECOND):
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buffer.append(sensor.getSample())
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time.sleep(1.0/SAMPLES_PER_SECOND)
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# Print the number of times the reading was greater than the threshold
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count = 0
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for i in range(0, NUMBER_OF_SECONDS * SAMPLES_PER_SECOND):
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if buffer[i] > THRESHOLD:
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count += 1
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print sensor.name(), ' exceeded the threshold value of', \
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THRESHOLD, 'a total of', count, 'times,'
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print 'out of a total of', NUMBER_OF_SECONDS*SAMPLES_PER_SECOND, \
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'reading.\n'
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# Print a graphical representation of the average value sampled
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# each second for the past 10 seconds, using a scale factor of 15
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print 'Now printing a graphical representation of the average reading '
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print 'each second for the last', NUMBER_OF_SECONDS, 'seconds.'
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SCALE_FACTOR = 15
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for i in range(0, NUMBER_OF_SECONDS):
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sum = 0
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for j in range(0, SAMPLES_PER_SECOND):
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sum += buffer[i*SAMPLES_PER_SECOND+j]
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average = sum / SAMPLES_PER_SECOND
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stars_to_print = int(round(average / SCALE_FACTOR))
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print '(' + repr(int(round(average))).rjust(4) + ') |', '*' * stars_to_print
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# Delete the sensor object
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del sensor
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if __name__ == '__main__':
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main()
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