This commit is contained in:
Michael Miller
2021-01-14 22:38:05 -08:00
committed by GitHub
parent de32dd9cc8
commit 3910763e57
4 changed files with 359 additions and 0 deletions

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@@ -26,7 +26,10 @@ NeoRbgFeature KEYWORD1
NeoWrgbTm1814Feature KEYWORD1
DotStarBgrFeature KEYWORD1
DotStarLbgrFeature KEYWORD1
Lpd6803GrbFeature KEYWORD1
Lpd6803BrgFeature KEYWORD1
Lpd8806GrbFeature KEYWORD1
Lpd8806BrgFeature KEYWORD1
P9813BgrFeature KEYWORD1
SevenSegmentFeature KEYWORD1
Neo800KbpsMethod KEYWORD1
@@ -375,6 +378,11 @@ NeoWs2801SpiMethod KEYWORD1
NeoWs2801Spi20MhzMethod KEYWORD1
NeoWs2801Spi10MhzMethod KEYWORD1
NeoWs2801Spi2MhzMethod KEYWORD1
Lpd6803SpiMethod KEYWORD1
Lpd6803Method KEYWORD1
Lpd6803Spi20MhzMethod KEYWORD1
Lpd6803Spi10MhzMethod KEYWORD1
Lpd6803Spi2MhzMethod KEYWORD1
Lpd8806Method KEYWORD1
Lpd8806SpiMethod KEYWORD1
Lpd8806Spi20MhzMethod KEYWORD1

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@@ -65,6 +65,7 @@ License along with NeoPixel. If not, see
#include "internal/NeoTm1814ColorFeatures.h"
#include "internal/DotStarColorFeatures.h"
#include "internal/Lpd8806ColorFeatures.h"
#include "internal/Lpd6803ColorFeatures.h"
#include "internal/P9813ColorFeatures.h"
#include "internal/NeoSegmentFeatures.h"
@@ -86,6 +87,7 @@ License along with NeoPixel. If not, see
#include "internal/DotStarGenericMethod.h"
#include "internal/Lpd8806GenericMethod.h"
#include "internal/Lpd6803GenericMethod.h"
#include "internal/Ws2801GenericMethod.h"
#include "internal/P9813GenericMethod.h"

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@@ -0,0 +1,219 @@
/*-------------------------------------------------------------------------
Lpd6803ColorFeatures provides feature classes to describe color order and
color depth for NeoPixelBus template class when used with DotStar like chips
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 Lpd68033ElementsNoSettings
{
public:
typedef NeoNoSettings SettingsObject;
static const size_t SettingsSize = 0;
static void applySettings(uint8_t*, const SettingsObject&)
{
}
static uint8_t* pixels(uint8_t* pData)
{
return pData;
}
static const uint8_t* pixels(const uint8_t* pData)
{
return pData;
}
};
class Lpd68033Elements : public Lpd68033ElementsNoSettings
{
public:
static const size_t PixelSize = 2; // 1 bit + 555 encoded elements
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];
}
}
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++;
}
}
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++);
}
}
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;
}
}
typedef RgbColor ColorObject;
};
class Lpd6803BrgFeature : public Lpd68033Elements
{
public:
static void applyPixelColor(uint8_t* pPixels, uint16_t indexPixel, ColorObject color)
{
uint16_t* p = reinterpret_cast<uint16_t*>( getPixelAddress(pPixels, indexPixel) );
*p = encodePixel(color);
}
static ColorObject retrievePixelColor(const uint8_t* pPixels, uint16_t indexPixel)
{
ColorObject color;
const uint16_t* p = reinterpret_cast<const uint16_t*>( getPixelAddress(pPixels, indexPixel) );
return decodePixel(*p);
}
static ColorObject retrievePixelColor_P(PGM_VOID_P pPixels, uint16_t indexPixel)
{
ColorObject color;
const uint8_t* p = getPixelAddress((const uint8_t*)pPixels, indexPixel);
uint16_t color555 = pgm_read_word(p);
return decodePixel(color555);
}
protected:
static uint16_t encodePixel(ColorObject color)
{
uint16_t color555 = color.B >> 3;
color555 <<= 5;
color555 |= color.R >> 3;
color555 <<= 5;
color555 |= color.G >> 3;
color555 |= 0x8000;
return color555;
}
static ColorObject decodePixel(uint16_t color555)
{
ColorObject color;
color555 &= 0x7fff;
color.B = (color555 >> 10) & 0x1f;
color.R = (color555 >> 5) & 0x1f;
color.G = (color555) & 0x1f;
return color;
}
};
class Lpd6803GrbFeature : public Lpd68033Elements
{
public:
static void applyPixelColor(uint8_t* pPixels, uint16_t indexPixel, ColorObject color)
{
uint16_t* p = reinterpret_cast<uint16_t*>(getPixelAddress(pPixels, indexPixel));
*p = encodePixel(color);
}
static ColorObject retrievePixelColor(const uint8_t* pPixels, uint16_t indexPixel)
{
ColorObject color;
const uint16_t* p = reinterpret_cast<const uint16_t*>(getPixelAddress(pPixels, indexPixel));
return decodePixel(*p);
}
static ColorObject retrievePixelColor_P(PGM_VOID_P pPixels, uint16_t indexPixel)
{
ColorObject color;
const uint8_t* p = getPixelAddress((const uint8_t*)pPixels, indexPixel);
uint16_t color555 = pgm_read_word(p);
return decodePixel(color555);
}
protected:
static uint16_t encodePixel(ColorObject color)
{
uint16_t color555 = color.G >> 3;
color555 <<= 5;
color555 |= color.R >> 3;
color555 <<= 5;
color555 |= color.B >> 3;
color555 |= 0x8000;
return color555;
}
static ColorObject decodePixel(uint16_t color555)
{
ColorObject color;
color555 &= 0x7fff;
color.G = (color555 >> 10) & 0x1f;
color.R = (color555 >> 5) & 0x1f;
color.B = (color555) & 0x1f;
return color;
}
};

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@@ -0,0 +1,130 @@
/*-------------------------------------------------------------------------
NeoPixel library helper functions for LPD6803 using general Pins
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
// must also check for arm due to Teensy incorrectly having ARDUINO_ARCH_AVR set
#if defined(ARDUINO_ARCH_AVR) && !defined(__arm__)
#include "TwoWireBitBangImpleAvr.h"
#else
#include "TwoWireBitBangImple.h"
#endif
template<typename T_TWOWIRE> class Lpd6803MethodBase
{
public:
Lpd6803MethodBase(uint8_t pinClock, uint8_t pinData, uint16_t pixelCount, size_t elementSize, size_t settingsSize) :
_sizeData(pixelCount * elementSize + settingsSize),
_sizeFrame((pixelCount + 7) / 8), // bit for every pixel at least
_wire(pinClock, pinData)
{
_data = static_cast<uint8_t*>(malloc(_sizeData));
memset(_data, 0, _sizeData);
}
#if !defined(__AVR_ATtiny85__) && !defined(ARDUINO_attiny)
Lpd6803MethodBase(uint16_t pixelCount, size_t elementSize, size_t settingsSize) :
Lpd6803MethodBase(SCK, MOSI, pixelCount, elementSize, settingsSize)
{
}
#endif
~Lpd6803MethodBase()
{
free(_data);
}
bool IsReadyToUpdate() const
{
return true; // dot stars don't have a required delay
}
#if defined(ARDUINO_ARCH_ESP32)
void Initialize(int8_t sck, int8_t miso, int8_t mosi, int8_t ss)
{
_wire.begin(sck, miso, mosi, ss);
}
#endif
void Initialize()
{
_wire.begin();
}
void Update(bool)
{
const uint8_t startFrame[4] = { 0x00 };
_wire.beginTransaction();
// start frame
_wire.transmitBytes(startFrame, sizeof(startFrame));
// data
_wire.transmitBytes(_data, _sizeData);
// end frame
// one bit for every pixel with no less than 1 byte
for (size_t frameByte = 0; frameByte < _sizeFrame; frameByte++)
{
_wire.transmitByte(0x00);
}
_wire.endTransaction();
}
uint8_t* getData() const
{
return _data;
};
size_t getDataSize() const
{
return _sizeData;
};
private:
const size_t _sizeData; // Size of '_data' buffer below
const size_t _sizeFrame;
T_TWOWIRE _wire;
uint8_t* _data; // Holds LED color values
};
typedef Lpd6803MethodBase<TwoWireBitBangImple> Lpd6803Method;
#if !defined(__AVR_ATtiny85__) && !defined(ARDUINO_attiny)
#include "TwoWireSpiImple.h"
typedef Lpd6803MethodBase<TwoWireSpiImple<SpiSpeed20Mhz>> Lpd6803Spi20MhzMethod;
typedef Lpd6803MethodBase<TwoWireSpiImple<SpiSpeed10Mhz>> Lpd6803Spi10MhzMethod;
typedef Lpd6803MethodBase<TwoWireSpiImple<SpiSpeed2Mhz>> Lpd6803Spi2MhzMethod;
typedef Lpd6803Spi10MhzMethod Lpd6803SpiMethod;
#endif