forked from Makuna/NeoPixelBus
298 lines
8.8 KiB
C++
298 lines
8.8 KiB
C++
/*-------------------------------------------------------------------------
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NeoSm168xxColorFeatures provides feature classes to describe color order and
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color depth for NeoPixelBus template class specific to the SM168xx chips/leds
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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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/*
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3 channel RGB
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SM16803P 1.8~60mA << need spec sheet to get accurate implementation
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SM16813PB 1.8~19mA
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SM16823E 60~350mA
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4 channel RGBW
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SM16804PB 1.5~60mA << need spec sheet to get accurate implementation
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SM16804EB 1.8~19mA
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SM16824E 60~350mA
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*/
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class NeoSm168x3SettingsBase : public NeoRgbCurrentSettings
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{
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public:
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NeoSm168x3SettingsBase() :
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NeoRgbCurrentSettings(0,0,0),
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Encoded{0} {}
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uint8_t Encoded[2];
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};
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class NeoSm16803pbSettings : public NeoSm168x3SettingsBase
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{
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public:
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NeoSm16803pbSettings(uint8_t redGain, uint8_t greenGain, uint8_t blueGain)
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{
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redGain &= 0x0f;
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greenGain &= 0x0f;
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blueGain &= 0x0f;
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RedTenthMilliAmpere = CurrentLookup[redGain];
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GreenTenthMilliAmpere = CurrentLookup[greenGain];
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BlueTenthMilliAmpere = CurrentLookup[blueGain];
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// 0RGB 4 bits each
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Encoded[0] = redGain;
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Encoded[1] = greenGain << 4 | blueGain;
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}
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protected:
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static constexpr uint8_t CurrentLookup[16] = {
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18, 30, 41, 53, 64, 76, 87, 99,
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110, 133, 145, 156, 168, 179, 19};
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};
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class NeoSm16823eSettings : public NeoSm168x3SettingsBase
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{
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public:
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NeoSm16823eSettings(uint8_t redGain, uint8_t greenGain, uint8_t blueGain, uint16_t resisterOhms) :
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extROhms(resisterOhms)
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{
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redGain &= 0x0f;
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greenGain &= 0x0f;
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blueGain &= 0x0f;
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RedTenthMilliAmpere = calcCurrent(extROhms, redGain);
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GreenTenthMilliAmpere = calcCurrent(extROhms, greenGain);
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BlueTenthMilliAmpere = calcCurrent(extROhms, blueGain);
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// RGB0 4 bits each
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Encoded[0] = redGain << 4 | greenGain;
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Encoded[1] = blueGain << 4;
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}
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protected:
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const uint16_t extROhms;
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static uint16_t calcCurrent(const uint16_t ohms, const uint8_t gain)
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{
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uint16_t mA = (967 * (240 + (gain * 32)) / ohms); // from spec sheet, gain 0-15 instead
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return mA * 10; // return tenths of mA
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}
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};
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// RGBW versions
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class NeoSm168x4SettingsBase : public NeoRgbwCurrentSettings
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{
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public:
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NeoSm168x4SettingsBase() :
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NeoRgbwCurrentSettings(0,0,0,0),
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Encoded{ 0 } {}
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uint8_t Encoded[2];
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};
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class NeoSm16804ebSettings : public NeoSm168x4SettingsBase
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{
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public:
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NeoSm16804ebSettings(uint8_t redGain, uint8_t greenGain, uint8_t blueGain, uint8_t whiteGain)
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{
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redGain &= 0x0f;
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greenGain &= 0x0f;
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blueGain &= 0x0f;
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whiteGain &= 0x0f;
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RedTenthMilliAmpere = CurrentLookup[redGain];
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GreenTenthMilliAmpere = CurrentLookup[greenGain];
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BlueTenthMilliAmpere = CurrentLookup[blueGain];
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WhiteTenthMilliAmpere = CurrentLookup[whiteGain];
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// RGBW 4 bits each
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Encoded[0] = redGain << 4 | greenGain;
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Encoded[1] = blueGain << 4 | whiteGain;
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}
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protected:
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static constexpr uint8_t CurrentLookup[16] = {
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18, 30, 41, 53, 64, 76, 87, 99,
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110, 133, 145, 156, 168, 179, 19 };
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};
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class NeoSm16824eSettings : public NeoSm168x4SettingsBase
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{
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public:
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NeoSm16824eSettings(uint8_t redGain, uint8_t greenGain, uint8_t blueGain, uint8_t whiteGain, uint16_t resisterOhms) :
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extROhms(resisterOhms)
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{
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redGain &= 0x0f;
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greenGain &= 0x0f;
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blueGain &= 0x0f;
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whiteGain &= 0x0f;
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RedTenthMilliAmpere = calcCurrent(extROhms, redGain);
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GreenTenthMilliAmpere = calcCurrent(extROhms, greenGain);
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BlueTenthMilliAmpere = calcCurrent(extROhms, blueGain);
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WhiteTenthMilliAmpere = calcCurrent(extROhms, whiteGain);
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// RGBW 4 bits each
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Encoded[0] = redGain << 4 | greenGain;
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Encoded[1] = blueGain << 4 | whiteGain;
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}
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protected:
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const uint16_t extROhms;
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static uint16_t calcCurrent(const uint16_t ohms, const uint8_t gain)
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{
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uint16_t mA = (1100 * (240 + (gain * 32)) / ohms); // from spec sheet, gain 0-15 instead
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return mA * 10; // return tenths of mA
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}
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};
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template<typename T_SETTINGS> class NeoRgbwSm168x4Elements : public Neo4ByteElements
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{
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public:
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typedef T_SETTINGS SettingsObject;
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static const size_t SettingsSize = 2;
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static void applySettings([[maybe_unused]] uint8_t* pData, [[maybe_unused]] size_t sizeData, [[maybe_unused]] const SettingsObject& settings)
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{
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// settings are at the end of the data stream
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uint8_t* pDest = pData + sizeData - SettingsSize;
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// copy by bytes to avoid endianess
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memcpy(pDest, &settings.Encoded, SettingsSize);
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}
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static uint8_t* pixels([[maybe_unused]] uint8_t* pData, [[maybe_unused]] size_t sizeData)
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{
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return pData;
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}
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static const uint8_t* pixels([[maybe_unused]] const uint8_t* pData, [[maybe_unused]] size_t sizeData)
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{
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return pData;
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}
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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++ = color.R;
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*p++ = color.G;
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*p++ = color.B;
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*p = color.W;
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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.R = *p++;
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color.G = *p++;
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color.B = *p++;
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color.W = *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.R = pgm_read_byte(p++);
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color.G = pgm_read_byte(p++);
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color.B = pgm_read_byte(p++);
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color.W = pgm_read_byte(p);
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return color;
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}
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};
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template<typename T_SETTINGS> class NeoRgbSm168x3Elements : public Neo3ByteElements
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{
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public:
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typedef T_SETTINGS SettingsObject;
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static const size_t SettingsSize = 2;
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static void applySettings([[maybe_unused]] uint8_t* pData, [[maybe_unused]] size_t sizeData, [[maybe_unused]] const SettingsObject& settings)
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{
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// settings are at the end of the data stream
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uint8_t* pDest = pData + sizeData - SettingsSize;
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// copy by bytes to avoid endianess
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memcpy(pDest, &settings.Encoded, SettingsSize);
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}
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static uint8_t* pixels([[maybe_unused]] uint8_t* pData, [[maybe_unused]] size_t sizeData)
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{
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return pData;
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}
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static const uint8_t* pixels([[maybe_unused]] const uint8_t* pData, [[maybe_unused]] size_t sizeData)
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{
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return pData;
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}
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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++ = color.R;
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*p++ = color.G;
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*p = color.B;
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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.R = *p++;
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color.G = *p++;
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color.B = *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.R = pgm_read_byte(p++);
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color.G = pgm_read_byte(p++);
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color.B = pgm_read_byte(p);
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return color;
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}
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};
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typedef NeoRgbSm168x3Elements<NeoSm16803pbSettings> NeoRgbSm16803pbColorFeature;
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typedef NeoRgbSm168x3Elements<NeoSm16823eSettings> NeoRgbSm16823eColorFeature;
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typedef NeoRgbwSm168x4Elements<NeoSm16804ebSettings> NeoRgbwSm16804ebColorFeature;
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typedef NeoRgbwSm168x4Elements<NeoSm16824eSettings> NeoRgbwSm16824eColorFeature;
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