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30fe963346
commit
376f2582da
52
test.py
52
test.py
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import time, signal, sys
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sys.path.append('./SDL_Adafruit_ADS1x15')
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import SDL_Adafruit_ADS1x15
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def signal_handler(signal, frame):
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print( 'You pressed Ctrl+C!')
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sys.exit(0)
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signal.signal(signal.SIGINT, signal_handler)
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ADS1115 = 0x01 # 16-bit ADC
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# Select the gain
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# gain = 6144 # +/- 6.144V
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gain = 4096 # +/- 4.096V
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# gain = 2048 # +/- 2.048V
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# gain = 1024 # +/- 1.024V
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# gain = 512 # +/- 0.512V
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# gain = 256 # +/- 0.256V
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# Select the sample rate
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# sps = 8 # 8 samples per second
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# sps = 16 # 16 samples per second
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# sps = 32 # 32 samples per second
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# sps = 64 # 64 samples per second
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# sps = 128 # 128 samples per second
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sps = 250 # 250 samples per second
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# sps = 475 # 475 samples per second
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# sps = 860 # 860 samples per second
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# Initialise the ADC using the default mode (use default I2C address)
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adc = SDL_Adafruit_ADS1x15.ADS1x15(ic=ADS1115)
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while (1):
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# Read channels in single-ended mode using the settings above
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print ("--------------------")
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voltsCh0 = adc.readADCSingleEnded(0, gain, sps) / 1000
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rawCh0 = adc.readRaw(0, gain, sps)
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print ("Channel 0 =%.6fV raw=0x%4X dec=%d" % (voltsCh0, rawCh0, rawCh0))
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voltsCh1 = adc.readADCSingleEnded(1, gain, sps) / 1000
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rawCh1 = adc.readRaw(1, gain, sps)
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print ("Channel 1 =%.6fV raw=0x%4X dec=%d" % (voltsCh1, rawCh1, rawCh1))
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voltsCh2 = adc.readADCSingleEnded(2, gain, sps) / 1000
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rawCh2 = adc.readRaw(2, gain, sps)
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print ("Channel 2 =%.6fV raw=0x%4X dec=%d" % (voltsCh2, rawCh2, rawCh2))
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voltsCh3 = adc.readADCSingleEnded(3, gain, sps) / 1000
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rawCh3 = adc.readRaw(3, gain, sps)
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print ("Channel 3 =%.6fV raw=0x%4X dec=%d" % (voltsCh3, rawCh3, rawCh3))
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print ("--------------------")
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time.sleep(0.5)
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