1 # The MIT License (MIT)
3 # Copyright (c) 2020 Melissa LeBlanc-Williams for Adafruit Industries
5 # Permission is hereby granted, free of charge, to any person obtaining a copy
6 # of this software and associated documentation files (the "Software"), to deal
7 # in the Software without restriction, including without limitation the rights
8 # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
9 # copies of the Software, and to permit persons to whom the Software is
10 # furnished to do so, subject to the following conditions:
12 # The above copyright notice and this permission notice shall be included in
13 # all copies or substantial portions of the Software.
15 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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20 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
24 `displayio.i2cdisplay`
25 ================================================================================
29 **Software and Dependencies:**
32 https://github.com/adafruit/Adafruit_Blinka/releases
34 * Author(s): Melissa LeBlanc-Williams
38 __version__ = "0.0.0-auto.0"
39 __repo__ = "https://github.com/adafruit/Adafruit_Blinka_displayio.git"
41 # pylint: disable=unnecessary-pass, unused-argument
45 """Manage updating a display over I2C in the background while Python code runs.
46 It doesn’t handle display initialization.
49 def __init__(self, i2c_bus, *, device_address, reset=None):
50 """Create a I2CDisplay object associated with the given I2C bus and reset pin.
52 The I2C bus and pins are then in use by the display until displayio.release_displays() is
53 called even after a reload. (It does this so CircuitPython can use the display after your
54 code is done.) So, the first time you initialize a display bus in code.py you should call
55 :py:func`displayio.release_displays` first, otherwise it will error after the first
61 """Performs a hardware reset via the reset pin. Raises an exception if called
62 when no reset pin is available.
64 raise NotImplementedError("I2CDisplay reset has not been implemented yet")
66 def send(self, command, data):
67 """Sends the given command value followed by the full set of data. Display state,
68 such as vertical scroll, set via send may or may not be reset once the code is
71 raise NotImplementedError("I2CDisplay send has not been implemented yet")