63 lines
1.5 KiB
Python
63 lines
1.5 KiB
Python
from pyb import ADC, Timer
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adct = ADC(16) # Temperature 930 -> 20C
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print(adct)
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adcv = ADC(17) # Voltage 1500 -> 3.3V
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print(adcv)
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# read single sample; 2.5V-5V is pass range
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val = adcv.read()
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assert val > 1000 and val < 2000
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# timer for read_timed
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tim = Timer(5, freq=500)
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# read into bytearray
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buf = bytearray(b'\xff' * 50)
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adcv.read_timed(buf, tim)
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print(len(buf))
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for i in buf:
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assert i > 50 and i < 150
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# read into arrays with different element sizes
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import array
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arv = array.array('h', 25 * [0x7fff])
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adcv.read_timed(arv, tim)
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print(len(arv))
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for i in arv:
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assert i > 1000 and i < 2000
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arv = array.array('i', 30 * [-1])
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adcv.read_timed(arv, tim)
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print(len(arv))
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for i in arv:
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assert i > 1000 and i < 2000
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# Test read_timed_multi
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arv = bytearray(b'\xff'*50)
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art = bytearray(b'\xff'*50)
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ADC.read_timed_multi((adcv, adct), (arv, art), tim)
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for i in arv:
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assert i > 60 and i < 125
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# Wide range: unsure of accuracy of temp sensor.
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for i in art:
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assert i > 15 and i < 200
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arv = array.array('i', 25 * [-1])
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art = array.array('i', 25 * [-1])
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ADC.read_timed_multi((adcv, adct), (arv, art), tim)
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for i in arv:
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assert i > 1000 and i < 2000
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# Wide range: unsure of accuracy of temp sensor.
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for i in art:
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assert i > 50 and i < 2000
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arv = array.array('h', 25 * [0x7fff])
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art = array.array('h', 25 * [0x7fff])
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ADC.read_timed_multi((adcv, adct), (arv, art), tim)
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for i in arv:
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assert i > 1000 and i < 2000
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# Wide range: unsure of accuracy of temp sensor.
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for i in art:
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assert i > 50 and i < 2000
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