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updated I2C example (#371)

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Carter Nelson 2017-10-25 17:32:00 -07:00 committed by Scott Shawcroft
parent ca1a9b9a10
commit db918da5f0
1 changed files with 4 additions and 3 deletions
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7
docs/design_guide.rst
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@ -250,12 +250,13 @@ I2C Example
from adafruit_bus_device import i2c_device
DEVICE_DEFAULT_I2C_ADDR = 0x42
class Widget:
"""A generic widget."""
def __init__(self, i2c):
# Always on address 0x40.
self.i2c_device = i2c_device.I2CDevice(i2c, 0x40)
def __init__(self, i2c, address=DEVICE_DEFAULT_I2C_ADDR):
self.i2c_device = i2c_device.I2CDevice(i2c, address)
self.buf = bytearray(1)
@property