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Add I2C address parameter #44

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Merged
merged 2 commits into from
Jan 19, 2020
Merged

Add I2C address parameter #44

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0de54c1
add address parameter
caternuson Jan 17, 2020
15bf2a8
lint
caternuson Jan 17, 2020
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9 changes: 6 additions & 3 deletions adafruit_character_lcd/character_lcd_i2c.py
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Original file line number Diff line number Diff line change
Expand Up @@ -50,7 +50,7 @@


class Character_LCD_I2C(Character_LCD_Mono):
# pylint: disable=too-few-public-methods
# pylint: disable=too-few-public-methods, too-many-arguments
"""Character LCD connected to I2C/SPI backpack using its I2C connection.
This is a subclass of Character_LCD and implements all of the same
functions and functionality.
Expand All @@ -66,13 +66,16 @@ class Character_LCD_I2C(Character_LCD_Mono):
i2c = busio.I2C(board.SCL, board.SDA)
lcd = Character_LCD_I2C(i2c, 16, 2)
"""
def __init__(self, i2c, columns, lines, backlight_inverted=False):
def __init__(self, i2c, columns, lines, address=None, backlight_inverted=False):
"""Initialize character LCD connected to backpack using I2C connection
on the specified I2C bus with the specified number of columns and
lines on the display. Optionally specify if backlight is inverted.
"""
from adafruit_mcp230xx.mcp23008 import MCP23008
mcp = MCP23008(i2c)
if address:
mcp = MCP23008(i2c, address=address)
else:
mcp = MCP23008(i2c)
super().__init__(mcp.get_pin(1),
mcp.get_pin(2),
mcp.get_pin(3),
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7 changes: 5 additions & 2 deletions adafruit_character_lcd/character_lcd_rgb_i2c.py
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Original file line number Diff line number Diff line change
Expand Up @@ -77,14 +77,17 @@ class Character_LCD_RGB_I2C(Character_LCD_RGB):
lcd = Character_LCD_RGB_I2C(i2c, 16, 2)

"""
def __init__(self, i2c, columns, lines):
def __init__(self, i2c, columns, lines, address=None):
# pylint: disable=too-many-locals
"""Initialize RGB character LCD connected to shield using I2C connection
on the specified I2C bus with the specified number of columns and lines
on the display.
"""
from adafruit_mcp230xx.mcp23017 import MCP23017
mcp = MCP23017(i2c)
if address:
mcp = MCP23017(i2c, address=address)
else:
mcp = MCP23017(i2c)

self._left_button = mcp.get_pin(4)
self._up_button = mcp.get_pin(3)
Expand Down