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Bert Outtier
27 lines
692 B
Python
27 lines
692 B
Python
import struct
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from micropython import const
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from machine import I2C
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# common registers
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_REG_VERSION = const(0x00)
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class Device:
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"""Fri3d I2C device."""
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def __init__(self, i2c_bus: I2C, address: int):
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"""Read from a sensor on the given I2C bus, at the given address."""
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self.i2c = i2c_bus
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self.address = address
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def _read(self, format, reg, amount):
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return struct.unpack(format, self.i2c.readfrom_mem(self.address, reg, amount))
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def _write(self, reg, value):
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self.i2c.writeto_mem(self.address, reg, value, addrsize=8)
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@property
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def version(self) -> tuple[int, int, int]:
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return self._read("BBB", _REG_VERSION, 3)
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