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Add optional i2c_address parameter to init function for overriding the address of the SSD1306 display.

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Tony DiCola
2014-07-26 15:08:00 -07:00
parent 8f8eb33cb2
commit a2823590f2
2 changed files with 5 additions and 2 deletions
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Adafruit_SSD1306/SSD1306.py
+2 -2
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@@ -70,7 +70,7 @@ class SSD1306Base(object):
"""
def __init__(self, width, height, rst, dc=None, sclk=None, din=None, cs=None,
gpio=None, spi=None, i2c_bus=I2C.get_default_bus()):
gpio=None, spi=None, i2c_bus=I2C.get_default_bus(), i2c_address=SSD1306_I2C_ADDRESS):
self._log = logging.getLogger('Adafruit_SSD1306.SSD1306Base')
self._spi = None
self._i2c = None
@@ -94,7 +94,7 @@ class SSD1306Base(object):
# Handle hardware I2C
elif i2c_bus is not None:
self._log.debug('Using hardware I2C')
self._i2c = I2C.Device(SSD1306_I2C_ADDRESS, i2c_bus)
self._i2c = I2C.Device(i2c_address, i2c_bus)
else:
raise ValueError('Unable to determine if using SPI or I2C.')
# Initialize DC pin if using SPI.
examples/shapes.py
+3
View File
@@ -48,6 +48,9 @@ disp = Adafruit_SSD1306.SSD1306_128_32(rst=RST)
# 128x64 display with hardware I2C:
# disp = Adafruit_SSD1306.SSD1306_128_64(rst=RST)
# Note you can change the I2C address by passing an i2c_address parameter like:
# disp = Adafruit_SSD1306.SSD1306_128_64(rst=RST, i2c_address=0x3C)
# Alternatively you can specify an explicit I2C bus number, for example
# with the 128x32 display you would use:
# disp = Adafruit_SSD1306.SSD1306_128_32(rst=RST, i2c_bus=2)