47 lines
746 B
Python
47 lines
746 B
Python
import time,board
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def read_id(pin):
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L1 = board.pin(pin, board.GPIO.IN, board.GPIO.PULL_UP)
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a = []
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t1 = time.ticks_us()
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while L1.value() == 1:
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t2 = time.ticks_us()
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if time.ticks_diff(t2, t1) >1000000:
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#raise ValueError("[MixNo]:Sensor read error")
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break
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pass
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time.sleep_us(13560)
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for i in range(1000):
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v = L1.value()
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a.append(v)
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time.sleep_us(56)
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a_c = []
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count = 0
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for i in a:
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if i == 1:
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count += 1
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elif i == 0:
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if count > 0 :
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a_c.append(count)
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count =0
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for i in range(len(a_c)):
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if a_c[i] > 10:
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a_c[i] = "1"
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else:
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a_c[i] = "0"
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B1 = "".join(a_c)
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B2 = B1[16:32]
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#print(len(B1))
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if len(B1)==32 or len(B1)==33 or len(B1)==46:
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B3=int(B2,2)
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return B3
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else:
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return None |