35 lines
857 B
Python
35 lines
857 B
Python
import smbus
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SINGLE_ENDED = 0x84
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ADDRESS = 0x48
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bus = smbus.SMBus(1)
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class ADC:
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@staticmethod
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def read(channel) -> float:
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"""
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Read from adc channel
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0 -> Left IR Sensor
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1 -> Right IR Sensor
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2 -> Battery voltage / 3
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:param channel: Channel between 0 and 2
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:return: voltage
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"""
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"""Select the Command data from the given provided value above"""
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command = SINGLE_ENDED | ((((channel << 2) | (channel >> 1)) & 0x07) << 4)
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bus.write_byte(ADDRESS, command)
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while "Koka is great":
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value1 = bus.read_byte(ADDRESS)
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value2 = bus.read_byte(ADDRESS)
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if value1 == value2:
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break
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voltage = value1 / 255.0 * 3.3 # calculate the voltage value
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voltage = round(voltage, 2)
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return voltage
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