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| author | Carter Nelson <caternuson@gmail.com> | 2017-10-25 17:32:00 -0700 |
|---|---|---|
| committer | Scott Shawcroft <scott@tannewt.org> | 2017-10-25 17:32:00 -0700 |
| commit | db918da5f0624e3cc723e7def3d805755f4cffa2 (patch) | |
| tree | 629b7a3bf2ae614b8a41871e24323789a3fb9ea3 /docs | |
| parent | ca1a9b9a102b0d4937dd1bbc03b912281c12b6c4 (diff) | |
updated I2C example (#371)
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/design_guide.rst | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/docs/design_guide.rst b/docs/design_guide.rst index 26e57cf53..a3c22a086 100644 --- a/docs/design_guide.rst +++ b/docs/design_guide.rst @@ -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 |