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python_examples: Reformatted, self-checking, executable

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* 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>
This commit is contained in:
Noel Eck
2016-09-29 18:24:19 -07:00
parent 62718daf0b
commit 2f78d9f62b
203 changed files with 5890 additions and 5216 deletions
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74
examples/python/ldt0028.py Normal file → Executable file
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@ -24,43 +24,47 @@ import time
import array
import pyupm_ldt0028 as ldt0028
NUMBER_OF_SECONDS = 10
SAMPLES_PER_SECOND = 50
THRESHOLD = 100
def main():
NUMBER_OF_SECONDS = 10
SAMPLES_PER_SECOND = 50
THRESHOLD = 100
# Create the LDT0-028 Piezo Vibration Sensor object using AIO pin 0
sensor = ldt0028.LDT0028(0)
# Create the LDT0-028 Piezo Vibration Sensor object using AIO pin 0
sensor = ldt0028.LDT0028(0)
# Read the signal every 20 milliseconds for 10 seconds
print 'For the next', NUMBER_OF_SECONDS, 'seconds,', \
SAMPLES_PER_SECOND, 'samples will be taken every second.\n'
buffer = array.array('H')
for i in range(0, NUMBER_OF_SECONDS * SAMPLES_PER_SECOND):
buffer.append(sensor.getSample())
time.sleep(1.0/SAMPLES_PER_SECOND)
# Read the signal every 20 milliseconds for 10 seconds
print 'For the next', NUMBER_OF_SECONDS, 'seconds,', \
SAMPLES_PER_SECOND, 'samples will be taken every second.\n'
buffer = array.array('H')
for i in range(0, NUMBER_OF_SECONDS * SAMPLES_PER_SECOND):
buffer.append(sensor.getSample())
time.sleep(1.0/SAMPLES_PER_SECOND)
# Print the number of times the reading was greater than the threshold
count = 0
for i in range(0, NUMBER_OF_SECONDS * SAMPLES_PER_SECOND):
if buffer[i] > THRESHOLD:
count += 1
print sensor.name(), ' exceeded the threshold value of', \
THRESHOLD, 'a total of', count, 'times,'
print 'out of a total of', NUMBER_OF_SECONDS*SAMPLES_PER_SECOND, \
'reading.\n'
# Print the number of times the reading was greater than the threshold
count = 0
for i in range(0, NUMBER_OF_SECONDS * SAMPLES_PER_SECOND):
if buffer[i] > THRESHOLD:
count += 1
print sensor.name(), ' exceeded the threshold value of', \
THRESHOLD, 'a total of', count, 'times,'
print 'out of a total of', NUMBER_OF_SECONDS*SAMPLES_PER_SECOND, \
'reading.\n'
# Print a graphical representation of the average value sampled
# each second for the past 10 seconds, using a scale factor of 15
print 'Now printing a graphical representation of the average reading '
print 'each second for the last', NUMBER_OF_SECONDS, 'seconds.'
SCALE_FACTOR = 15
for i in range(0, NUMBER_OF_SECONDS):
sum = 0
for j in range(0, SAMPLES_PER_SECOND):
sum += buffer[i*SAMPLES_PER_SECOND+j]
average = sum / SAMPLES_PER_SECOND
stars_to_print = int(round(average / SCALE_FACTOR))
print '(' + repr(int(round(average))).rjust(4) + ') |', '*' * stars_to_print
# Print a graphical representation of the average value sampled
# each second for the past 10 seconds, using a scale factor of 15
print 'Now printing a graphical representation of the average reading '
print 'each second for the last', NUMBER_OF_SECONDS, 'seconds.'
SCALE_FACTOR = 15
for i in range(0, NUMBER_OF_SECONDS):
sum = 0
for j in range(0, SAMPLES_PER_SECOND):
sum += buffer[i*SAMPLES_PER_SECOND+j]
average = sum / SAMPLES_PER_SECOND
stars_to_print = int(round(average / SCALE_FACTOR))
print '(' + repr(int(round(average))).rjust(4) + ') |', '*' * stars_to_print
# Delete the sensor object
del sensor
# Delete the sensor object
del sensor
if __name__ == '__main__':
main()