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Add support for 72x40 SSD1306B #49

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merged 3 commits into from
Oct 2, 2024
Merged

Add support for 72x40 SSD1306B #49

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16d621d
Add support for 72x40 SSD1306B
asmagill Sep 29, 2024
f6de8b0
apply same rotation logic to 64x48
asmagill Sep 29, 2024
4c90ec3
shorten tindie link for 72x40
asmagill Oct 2, 2024
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34 changes: 31 additions & 3 deletions adafruit_displayio_ssd1306.py
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Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,8 @@
* `Adafruit FeatherWing OLED - 128x32 OLED <https://www.adafruit.com/product/2900>`_
* Monochrome 0.49" 64x32 I2C OLED graphic display
* Monochrome 0.66" 64x48 I2C OLED graphic display (eg https://www.amazon.com/gp/product/B07QF7QK6P)
* Miniature 0.42" OLED 72x40 Display with Resin Lens
* https://tindie.com/products/questwise-ventures/miniature-042-oled-72x40-display-with-resin-lens
* Might work on other sub-128 width display: Dots 72x40, 64x48, 96x16

**Software and Dependencies:**
Expand Down Expand Up @@ -88,9 +90,35 @@ def __init__(self, bus: Union[FourWire, I2CDisplayBus], **kwargs) -> None:
col_offset = (
0 if width == 128 else (128 - width) // 2
) # https://github.com/micropython/micropython/pull/7411
row_offset = (
col_offset if (kwargs["height"] != 48 or kwargs["width"] != 64) else 0
) # fix for 0.66" 64x48 OLED
row_offset = col_offset

# for 64x48
if kwargs["height"] == 48 and kwargs["width"] == 64:
col_offset = (128 - kwargs["width"]) // 2
row_offset = 0

if "rotation" in kwargs and kwargs["rotation"] % 180 != 0:
init_sequence[16] = kwargs["height"] - 1
kwargs["height"] = height
kwargs["width"] = width

# for 72x40
if kwargs["height"] == 40 and kwargs["width"] == 72:
col_offset = (128 - kwargs["width"]) // 2
row_offset = 0

# add Internal IREF Setting for the 0.42 OLED as per
# https://github.com/olikraus/u8g2/issues/1047 and
# SSD1306B rev 1.1 datasheet at
# https://www.buydisplay.com/download/ic/SSD1306.pdf
seq_length = len(init_sequence) - 2
init_sequence[seq_length:seq_length] = bytearray(b"\xad\x01\x30")

if "rotation" in kwargs and kwargs["rotation"] % 180 != 0:
init_sequence[16] = kwargs["height"] - 1
kwargs["height"] = height
kwargs["width"] = width

super().__init__(
bus,
init_sequence,
Expand Down