Light: Color modes

[farmio]

• add support for yxY color mode - DPT242.600 (6byte)
• add HS-color individual address support
• move encoding/decoding of RGB and RGBW payloads to DPT module
• RGBW currently accepts 4-6 bytes payload. The DPT specifies 6bytes. I think we may not accept 4 and 5 bytes for this.

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• add RemoteValueColor module using one of these 3 dpts.
• use a color-mode attribute to select used dpt instead of group addresses for each mode (RGB, RGBW, XY)
  this would prevent support for multiple modes for one light (which is currently not implemented)
• maybe add auto sense dpt option for color temperature based on payload length
  for RGB, RGBW - XY has the same payload length as RGBW so this would collide~

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• use a color_temperature-mode attribute to select used dpt instead of group addresses for each mode (CT, TW)
• add auto sense dpt option for color temperature based on payload length

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• Debounce callbacks for individual color statues. Now each telegram creates one device_updated callback causing the displayed color in HA to flicker.

[crazyfx1]

use a color_temperature-mode attribute to select used dpt instead of group addresses for each mode (CT, TW)

Is this still something you want to have implemented? I could do that in the next weeks ;)

[farmio]

@crazyfx1 this is just a collection of ideas I had when I started to change something in the light module.
If you think this change is useful, go for it 👍. I'm fine with the current implementation too, but a combined address would allow to

add auto sense dpt option for color temperature based on payload length

HA already uses a combined address and a mode option.

[github-actions]

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