forked from Makuna/NeoPixelBus
Michael Miller
57bee07273
* refactor byte elements * Word elements * refactor no settings core * refactor 2 byte 555 encoding
71 lines
2.4 KiB
C++
71 lines
2.4 KiB
C++
/*-------------------------------------------------------------------------
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DotStarLrbgFeature provides feature classes to describe color order and
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color depth for NeoPixelBus template class when used with DotStars
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Written by Michael C. Miller.
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I invest time and resources providing this open source code,
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please support me by dontating (see https://github.com/Makuna/NeoPixelBus)
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-------------------------------------------------------------------------
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This file is part of the Makuna/NeoPixelBus library.
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NeoPixelBus is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation, either version 3 of
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the License, or (at your option) any later version.
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NeoPixelBus is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with NeoPixel. If not, see
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<http://www.gnu.org/licenses/>.
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-------------------------------------------------------------------------*/
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#pragma once
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class DotStarLrbgFeature :
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public NeoByteElements<4, RgbwColor, uint32_t>,
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public NeoElementsNoSettings
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{
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public:
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static void applyPixelColor(uint8_t* pPixels, uint16_t indexPixel, ColorObject color)
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{
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uint8_t* p = getPixelAddress(pPixels, indexPixel);
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*p++ = 0xE0 | (color.W < 31 ? color.W : 31); // upper three bits are always 111
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*p++ = color.R;
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*p++ = color.B;
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*p = color.G;
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}
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static ColorObject retrievePixelColor(const uint8_t* pPixels, uint16_t indexPixel)
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{
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ColorObject color;
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const uint8_t* p = getPixelAddress(pPixels, indexPixel);
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color.W = (*p++) & 0x1F; // mask out upper three bits
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color.R = *p++;
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color.B = *p++;
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color.G = *p;
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return color;
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}
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static ColorObject retrievePixelColor_P(PGM_VOID_P pPixels, uint16_t indexPixel)
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{
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ColorObject color;
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const uint8_t* p = getPixelAddress((const uint8_t*)pPixels, indexPixel);
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color.W = pgm_read_byte(p++) & 0x1F; // mask out upper three bits
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color.R = pgm_read_byte(p++);
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color.B = pgm_read_byte(p++);
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color.G = pgm_read_byte(p);
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return color;
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}
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};
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