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from pyb import ADC, Timer
adct = ADC(16) # Temperature 930 -> 20C
print(str(adct)[:19])
adcv = ADC(17) # Voltage 1500 -> 3.3V
print(adcv)
# read single sample; 2.5V-5V is pass range
val = adcv.read()
assert val > 1000 and val < 2000
# timer for read_timed
tim = Timer(5, freq=500)
# read into bytearray
buf = bytearray(b'\xff' * 50)
adcv.read_timed(buf, tim)
print(len(buf))
for i in buf:
assert i > 50 and i < 150
# read into arrays with different element sizes
import array
arv = array.array('h', 25 * [0x7fff])
adcv.read_timed(arv, tim)
print(len(arv))
for i in arv:
assert i > 1000 and i < 2000
arv = array.array('i', 30 * [-1])
adcv.read_timed(arv, tim)
print(len(arv))
for i in arv:
assert i > 1000 and i < 2000
# Test read_timed_multi
arv = bytearray(b'\xff'*50)
art = bytearray(b'\xff'*50)
ADC.read_timed_multi((adcv, adct), (arv, art), tim)
for i in arv:
assert i > 60 and i < 125
# Wide range: unsure of accuracy of temp sensor.
for i in art:
assert i > 15 and i < 200
arv = array.array('i', 25 * [-1])
art = array.array('i', 25 * [-1])
ADC.read_timed_multi((adcv, adct), (arv, art), tim)
for i in arv:
assert i > 1000 and i < 2000
# Wide range: unsure of accuracy of temp sensor.
for i in art:
assert i > 50 and i < 2000
arv = array.array('h', 25 * [0x7fff])
art = array.array('h', 25 * [0x7fff])
ADC.read_timed_multi((adcv, adct), (arv, art), tim)
for i in arv:
assert i > 1000 and i < 2000
# Wide range: unsure of accuracy of temp sensor.
for i in art:
assert i > 50 and i < 2000
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