Honey
66464291e1
Navidrome now-playing, clock, and weather for a Waveshare epd4in0e panel, with a local web UI and install/uninstall scripts for the Pi.
29 lines
902 B
Python
29 lines
902 B
Python
"""Display driver interface.
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A driver only needs to do three things: get ready, put an image on the panel,
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and go to sleep to save power. `EPD4in0eDisplay` talks to the real Waveshare
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hardware; `MockDisplay` is a drop-in stand-in for developing off the Pi.
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"""
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from abc import ABC, abstractmethod
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from PIL import Image
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class Display(ABC):
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resolution: tuple[int, int]
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@abstractmethod
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def init(self) -> None:
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"""Prepare the panel for writing (called once at startup, and again
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after every sleep since most EPDs need re-initializing)."""
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@abstractmethod
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def show(self, image: Image.Image) -> None:
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"""Push a full-resolution image to the panel. This is always a full
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refresh on this hardware -- there is no partial-refresh path."""
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@abstractmethod
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def sleep(self) -> None:
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"""Put the panel into low-power mode between updates."""
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