forked from Makuna/NeoPixelBus
138 lines
4.3 KiB
C++
138 lines
4.3 KiB
C++
/*-------------------------------------------------------------------------
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NeoTm1814ColorFeatures provides feature classes to describe color order and
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color depth for NeoPixelBus template class specific to the TM1814 chip
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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 NeoTm1814Settings : public NeoRgbwCurrentSettings
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{
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public:
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NeoTm1814Settings(uint16_t red, uint16_t green, uint16_t blue, uint16_t white) :
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NeoRgbwCurrentSettings(red, green, blue, white)
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{
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}
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const static uint16_t MinCurrent = 65;
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const static uint16_t MaxCurrent = 380;
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static uint16_t LimitCurrent(uint16_t value)
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{
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if (value < MinCurrent)
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{
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value = MinCurrent;
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}
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else if (value > MaxCurrent)
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{
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value = MaxCurrent;
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}
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return value;
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}
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};
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class Neo4ByteElementsTm1814Settings : public Neo4ByteElements
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{
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private:
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const static uint16_t EncodeDivisor = 5;
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public:
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typedef NeoTm1814Settings SettingsObject;
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static const size_t SettingsSize = 8;
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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 front of the data stream
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uint8_t* pSet = pData;
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// C1
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*pSet++ = (SettingsObject::LimitCurrent(settings.WhiteTenthMilliAmpere) - SettingsObject::MinCurrent) / EncodeDivisor;
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*pSet++ = (SettingsObject::LimitCurrent(settings.RedTenthMilliAmpere) - SettingsObject::MinCurrent) / EncodeDivisor;
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*pSet++ = (SettingsObject::LimitCurrent(settings.GreenTenthMilliAmpere) - SettingsObject::MinCurrent) / EncodeDivisor;
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*pSet++ = (SettingsObject::LimitCurrent(settings.BlueTenthMilliAmpere) - SettingsObject::MinCurrent) / EncodeDivisor;
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uint8_t* pC1 = pData;
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// C2
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for (uint8_t elem = 0; elem < 4; elem++)
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{
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*pSet++ = ~(*pC1++);
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}
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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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// settings are at the front of the data stream
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return pData + SettingsSize;
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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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// settings are at the front of the data stream
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return pData + SettingsSize;
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}
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};
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class NeoWrgbTm1814Feature : public Neo4ByteElementsTm1814Settings
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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++ = color.W;
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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.W = *p++;
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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.W = pgm_read_byte(p++);
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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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