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Add support for 4 gray-scale in waveshare_epaper 7.50inV2alt #3035

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Zzo911 opened this issue Jan 25, 2025 · 0 comments

Zzo911 commented Jan 25, 2025

Describe the problem you have/What new integration you would like

Waveshare 7.5inch e-paper 4 gray scale not fully supported.
https://www.waveshare.com/product/displays/7.5inch-e-paper.htm

Please describe your use case for this integration and alternatives you've tried:

I would like to use the 4 gray-scale to write some text other than black or white.

Additional context

Current configuration:

`display:

platform: waveshare_epaper
id: eink_display
cs_pin: GPIO15
dc_pin: GPIO27
reset_pin: GPIO26
busy_pin:
number: GPIO25
inverted: true
model: 7.50inV2alt`

The following attribute is not recognised for this platform: color_palette: 4-gray

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