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Created NeoPixelBrightnessBus object API (markdown)

Michael Miller
2016-12-11 15:37:41 -08:00
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NeoPixelBrightnessBus-object-API.md Normal file

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Please see the base class [NeoPixelBus object API](https://github.com/Makuna/NeoPixelBus/wiki/NeoPixelBus-object-API) for constructors and other methods. Below only documents the enhancements.
# Methods
### void SetBrightness(uint8_t brightness)
This will change the brightness of the NeoPixelBus. All current pixels will be modified to the new brightness; and any subsequent calls to `SetPixelColor()` will also be modified.
_brightness_ - (0-255), where 255 is the value of the original color, and 0 is near black.
CAUTION: Setting this to low values causes the colors to loose accuracy and may lead to complete loss of color.
### uint8_t GetBrightness()
This will return the current brightness level of the NeoPixelBus.
\<return\> - (0-255) the current level
### void SetPixelColor(uint16_t indexPixel, ColorObject color)
This will set the color for the given pixel; it will be modified by the current brightness level.
_indexPixel_ - the pixel number
_color_ - a color object to use, RgbColor, HslColor, and HsbColor will all work and if the NeoPixelBus object was created with the NeoRgbwFeature the RgbwColor will also work.
### ColorObject GetPixelColor(uint16_t indexPixel)
This will return the color for the given pixel; but due to calls to brightness level, it will often not be the same color as set by the call to `SetPixelColor()`.
_indexPixel_ - the pixel number
\<return\>, a color object, RgbColor or RgbwColor.