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61 lines
2.1 KiB
Python
61 lines
2.1 KiB
Python
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# The MIT License (MIT)
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#
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# Author: Assam Boudjelthia
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# Copyright (c) 2018 Rohm Semiconductor.
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy of
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# this software and associated documentation files (the "Software"), to deal in
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# the Software without restriction, including without limitation the rights to
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# use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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# the Software, and to permit persons to whom the Software is furnished to do so,
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# subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in all
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# 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, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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# FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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# COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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# IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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import time, sys, signal, atexit
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from upm import pyupm_bh1749
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def main():
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bh1749_sensor = pyupm_bh1749.BH1749()
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bh1749_sensor.SensorInit(pyupm_bh1749.INT_JUDGE_1,
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pyupm_bh1749.MEAS_240MS,
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pyupm_bh1749.RGB_GAIN_1X,
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pyupm_bh1749.IR_GAIN_1X,
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pyupm_bh1749.RED)
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bh1749_sensor.SetThresholdHigh(511)
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# Prevent stack printing on CTRL^C
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def SIGINTHandler(signum, frame):
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raise SystemExit
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def exitHandler():
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print("Exiting")
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sys.exit(0)
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atexit.register(exitHandler)
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signal.signal(signal.SIGINT, SIGINTHandler)
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sampleCounter = 10
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waitTime = bh1749_sensor.GetMeasurementTime()
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print("Color readings: ")
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while sampleCounter > 0:
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[r, g, b, ir, g2] = bh1749_sensor.GetMeasurements()
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print ("R: %d, y: %d, G: %d, IR: %d, G2: %d" % (r, g, b, ir, g2))
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time.sleep(waitTime / 1000.0)
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sampleCounter -= 1
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if __name__ == '__main__':
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main()
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