forked from Makuna/NeoPixelBus
327 lines
9.7 KiB
C++
327 lines
9.7 KiB
C++
/*-------------------------------------------------------------------------
|
|
DotStarColorFeatures provides feature classes to describe color order and
|
|
color depth for NeoPixelBus template class when used with DotStars
|
|
|
|
Written by Michael C. Miller.
|
|
|
|
I invest time and resources providing this open source code,
|
|
please support me by dontating (see https://github.com/Makuna/NeoPixelBus)
|
|
|
|
-------------------------------------------------------------------------
|
|
This file is part of the Makuna/NeoPixelBus library.
|
|
|
|
NeoPixelBus is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU Lesser General Public License as
|
|
published by the Free Software Foundation, either version 3 of
|
|
the License, or (at your option) any later version.
|
|
|
|
NeoPixelBus is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with NeoPixel. If not, see
|
|
<http://www.gnu.org/licenses/>.
|
|
-------------------------------------------------------------------------*/
|
|
#pragma once
|
|
|
|
class DotStar3Elements
|
|
{
|
|
public:
|
|
static const size_t PixelSize = 4; // still requires 4 to be sent
|
|
|
|
static uint8_t* getPixelAddress(uint8_t* pPixels, uint16_t indexPixel)
|
|
{
|
|
return pPixels + indexPixel * PixelSize;
|
|
}
|
|
static const uint8_t* getPixelAddress(const uint8_t* pPixels, uint16_t indexPixel)
|
|
{
|
|
return pPixels + indexPixel * PixelSize;
|
|
}
|
|
|
|
static void replicatePixel(uint8_t* pPixelDest, const uint8_t* pPixelSrc, uint16_t count)
|
|
{
|
|
uint8_t* pEnd = pPixelDest + (count * PixelSize);
|
|
while (pPixelDest < pEnd)
|
|
{
|
|
*pPixelDest++ = pPixelSrc[0];
|
|
*pPixelDest++ = pPixelSrc[1];
|
|
*pPixelDest++ = pPixelSrc[2];
|
|
*pPixelDest++ = pPixelSrc[3];
|
|
}
|
|
}
|
|
|
|
static void movePixelsInc(uint8_t* pPixelDest, const uint8_t* pPixelSrc, uint16_t count)
|
|
{
|
|
uint8_t* pEnd = pPixelDest + (count * PixelSize);
|
|
while (pPixelDest < pEnd)
|
|
{
|
|
*pPixelDest++ = *pPixelSrc++;
|
|
*pPixelDest++ = *pPixelSrc++;
|
|
*pPixelDest++ = *pPixelSrc++;
|
|
*pPixelDest++ = *pPixelSrc++;
|
|
}
|
|
}
|
|
|
|
static void movePixelsInc_P(uint8_t* pPixelDest, PGM_VOID_P pPixelSrc, uint16_t count)
|
|
{
|
|
uint8_t* pEnd = pPixelDest + (count * PixelSize);
|
|
const uint8_t* pSrc = (const uint8_t*)pPixelSrc;
|
|
while (pPixelDest < pEnd)
|
|
{
|
|
*pPixelDest++ = pgm_read_byte(pSrc++);
|
|
*pPixelDest++ = pgm_read_byte(pSrc++);
|
|
*pPixelDest++ = pgm_read_byte(pSrc++);
|
|
*pPixelDest++ = pgm_read_byte(pSrc++);
|
|
}
|
|
}
|
|
|
|
static void movePixelsDec(uint8_t* pPixelDest, const uint8_t* pPixelSrc, uint16_t count)
|
|
{
|
|
uint8_t* pDestBack = pPixelDest + (count * PixelSize);
|
|
const uint8_t* pSrcBack = pPixelSrc + (count * PixelSize);
|
|
while (pDestBack > pPixelDest)
|
|
{
|
|
*--pDestBack = *--pSrcBack;
|
|
*--pDestBack = *--pSrcBack;
|
|
*--pDestBack = *--pSrcBack;
|
|
*--pDestBack = *--pSrcBack;
|
|
}
|
|
}
|
|
|
|
typedef RgbColor ColorObject;
|
|
};
|
|
|
|
class DotStar4Elements
|
|
{
|
|
public:
|
|
static const size_t PixelSize = 4;
|
|
|
|
static uint8_t* getPixelAddress(uint8_t* pPixels, uint16_t indexPixel)
|
|
{
|
|
return pPixels + indexPixel * PixelSize;
|
|
}
|
|
static const uint8_t* getPixelAddress(const uint8_t* pPixels, uint16_t indexPixel)
|
|
{
|
|
return pPixels + indexPixel * PixelSize;
|
|
}
|
|
|
|
static void replicatePixel(uint8_t* pPixelDest, const uint8_t* pPixelSrc, uint16_t count)
|
|
{
|
|
uint8_t* pEnd = pPixelDest + (count * PixelSize);
|
|
while (pPixelDest < pEnd)
|
|
{
|
|
*pPixelDest++ = pPixelSrc[0];
|
|
*pPixelDest++ = pPixelSrc[1];
|
|
*pPixelDest++ = pPixelSrc[2];
|
|
*pPixelDest++ = pPixelSrc[3];
|
|
}
|
|
}
|
|
|
|
static void movePixelsInc(uint8_t* pPixelDest, const uint8_t* pPixelSrc, uint16_t count)
|
|
{
|
|
uint8_t* pEnd = pPixelDest + (count * PixelSize);
|
|
while (pPixelDest < pEnd)
|
|
{
|
|
*pPixelDest++ = *pPixelSrc++;
|
|
*pPixelDest++ = *pPixelSrc++;
|
|
*pPixelDest++ = *pPixelSrc++;
|
|
*pPixelDest++ = *pPixelSrc++;
|
|
}
|
|
}
|
|
|
|
static void movePixelsInc_P(uint8_t* pPixelDest, PGM_VOID_P pPixelSrc, uint16_t count)
|
|
{
|
|
uint8_t* pEnd = pPixelDest + (count * PixelSize);
|
|
const uint8_t* pSrc = (const uint8_t*)pPixelSrc;
|
|
while (pPixelDest < pEnd)
|
|
{
|
|
*pPixelDest++ = pgm_read_byte(pSrc++);
|
|
*pPixelDest++ = pgm_read_byte(pSrc++);
|
|
*pPixelDest++ = pgm_read_byte(pSrc++);
|
|
*pPixelDest++ = pgm_read_byte(pSrc++);
|
|
}
|
|
}
|
|
|
|
static void movePixelsDec(uint8_t* pPixelDest, const uint8_t* pPixelSrc, uint16_t count)
|
|
{
|
|
uint8_t* pDestBack = pPixelDest + (count * PixelSize);
|
|
const uint8_t* pSrcBack = pPixelSrc + (count * PixelSize);
|
|
while (pDestBack > pPixelDest)
|
|
{
|
|
*--pDestBack = *--pSrcBack;
|
|
*--pDestBack = *--pSrcBack;
|
|
*--pDestBack = *--pSrcBack;
|
|
*--pDestBack = *--pSrcBack;
|
|
}
|
|
}
|
|
|
|
typedef RgbwColor ColorObject;
|
|
};
|
|
|
|
class DotStarBgrFeature : public DotStar3Elements
|
|
{
|
|
public:
|
|
static void applyPixelColor(uint8_t* pPixels, uint16_t indexPixel, ColorObject color)
|
|
{
|
|
uint8_t* p = getPixelAddress(pPixels, indexPixel);
|
|
|
|
*p++ = 0xff; // upper three bits are always 111 and brightness at max
|
|
*p++ = color.B;
|
|
*p++ = color.G;
|
|
*p = color.R;
|
|
}
|
|
|
|
static ColorObject retrievePixelColor(uint8_t* pPixels, uint16_t indexPixel)
|
|
{
|
|
ColorObject color;
|
|
uint8_t* p = getPixelAddress(pPixels, indexPixel);
|
|
|
|
p++; // ignore the first byte
|
|
color.B = *p++;
|
|
color.G = *p++;
|
|
color.R = *p;
|
|
|
|
return color;
|
|
}
|
|
|
|
static ColorObject retrievePixelColor_P(PGM_VOID_P pPixels, uint16_t indexPixel)
|
|
{
|
|
ColorObject color;
|
|
const uint8_t* p = getPixelAddress((const uint8_t*)pPixels, indexPixel);
|
|
|
|
pgm_read_byte(p++); // ignore the first byte
|
|
color.B = pgm_read_byte(p++);
|
|
color.G = pgm_read_byte(p++);
|
|
color.R = pgm_read_byte(p);
|
|
|
|
return color;
|
|
}
|
|
|
|
};
|
|
|
|
class DotStarLbgrFeature : public DotStar4Elements
|
|
{
|
|
public:
|
|
static void applyPixelColor(uint8_t* pPixels, uint16_t indexPixel, ColorObject color)
|
|
{
|
|
uint8_t* p = getPixelAddress(pPixels, indexPixel);
|
|
|
|
*p++ = 0xE0 | (color.W < 31 ? color.W : 31); // upper three bits are always 111
|
|
*p++ = color.B;
|
|
*p++ = color.G;
|
|
*p = color.R;
|
|
}
|
|
|
|
static ColorObject retrievePixelColor(uint8_t* pPixels, uint16_t indexPixel)
|
|
{
|
|
ColorObject color;
|
|
uint8_t* p = getPixelAddress(pPixels, indexPixel);
|
|
|
|
color.W = (*p++) & 0x1F; // mask out upper three bits
|
|
color.B = *p++;
|
|
color.G = *p++;
|
|
color.R = *p;
|
|
|
|
return color;
|
|
}
|
|
|
|
static ColorObject retrievePixelColor_P(PGM_VOID_P pPixels, uint16_t indexPixel)
|
|
{
|
|
ColorObject color;
|
|
const uint8_t* p = getPixelAddress((const uint8_t*)pPixels, indexPixel);
|
|
|
|
color.W = pgm_read_byte(p++) & 0x1F; // mask out upper three bits
|
|
color.B = pgm_read_byte(p++);
|
|
color.G = pgm_read_byte(p++);
|
|
color.R = pgm_read_byte(p);
|
|
|
|
return color;
|
|
}
|
|
|
|
};
|
|
|
|
class DotStarGrbFeature : public DotStar3Elements
|
|
{
|
|
public:
|
|
static void applyPixelColor(uint8_t* pPixels, uint16_t indexPixel, ColorObject color)
|
|
{
|
|
uint8_t* p = getPixelAddress(pPixels, indexPixel);
|
|
|
|
*p++ = 0xff; // upper three bits are always 111 and brightness at max
|
|
*p++ = color.G;
|
|
*p++ = color.R;
|
|
*p = color.B;
|
|
}
|
|
|
|
static ColorObject retrievePixelColor(uint8_t* pPixels, uint16_t indexPixel)
|
|
{
|
|
ColorObject color;
|
|
uint8_t* p = getPixelAddress(pPixels, indexPixel);
|
|
|
|
p++; // ignore the first byte
|
|
color.G = *p++;
|
|
color.R = *p++;
|
|
color.B = *p;
|
|
|
|
return color;
|
|
}
|
|
|
|
static ColorObject retrievePixelColor_P(PGM_VOID_P pPixels, uint16_t indexPixel)
|
|
{
|
|
ColorObject color;
|
|
const uint8_t* p = getPixelAddress((const uint8_t*)pPixels, indexPixel);
|
|
|
|
pgm_read_byte(p++); // ignore the first byte
|
|
color.G = pgm_read_byte(p++);
|
|
color.R = pgm_read_byte(p++);
|
|
color.B = pgm_read_byte(p);
|
|
|
|
return color;
|
|
}
|
|
|
|
};
|
|
|
|
class DotStarLgrbFeature : public DotStar4Elements
|
|
{
|
|
public:
|
|
static void applyPixelColor(uint8_t* pPixels, uint16_t indexPixel, ColorObject color)
|
|
{
|
|
uint8_t* p = getPixelAddress(pPixels, indexPixel);
|
|
|
|
*p++ = 0xE0 | (color.W < 31 ? color.W : 31); // upper three bits are always 111
|
|
*p++ = color.G;
|
|
*p++ = color.R;
|
|
*p = color.B;
|
|
}
|
|
|
|
static ColorObject retrievePixelColor(uint8_t* pPixels, uint16_t indexPixel)
|
|
{
|
|
ColorObject color;
|
|
uint8_t* p = getPixelAddress(pPixels, indexPixel);
|
|
|
|
color.W = (*p++) & 0x1F; // mask out upper three bits
|
|
color.G = *p++;
|
|
color.R = *p++;
|
|
color.B = *p;
|
|
|
|
return color;
|
|
}
|
|
|
|
static ColorObject retrievePixelColor_P(PGM_VOID_P pPixels, uint16_t indexPixel)
|
|
{
|
|
ColorObject color;
|
|
const uint8_t* p = getPixelAddress((const uint8_t*)pPixels, indexPixel);
|
|
|
|
color.W = pgm_read_byte(p++) & 0x1F; // mask out upper three bits
|
|
color.G = pgm_read_byte(p++);
|
|
color.R = pgm_read_byte(p++);
|
|
color.B = pgm_read_byte(p);
|
|
|
|
return color;
|
|
}
|
|
|
|
};
|
|
|