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NeoPixelBus.h
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NeoPixelBus.h
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/*-------------------------------------------------------------------------
NeoPixel library
Written by Michael C. Miller.
I invest time and resources providing this open source code,
please support me by donating (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
#include <Arduino.h>
// standard neo definitions
//
const uint8_t NEO_DIRTY = 0x80; // a change was made to pixel data that requires a show
const uint16_t PixelIndex_OutOfBounds = 0xffff;
#include "internal/NeoUtil.h"
#include "internal/animations/NeoEase.h"
#include "internal/NeoSettings.h"
#include "internal/NeoColors.h"
#include "internal/NeoColorFeatures.h"
#include "internal/NeoTopologies.h"
#include "internal/NeoBuffers.h"
#include "internal/NeoBusChannel.h"
#include "internal/NeoMethods.h"
#include "internal/XMethods.h"
template<typename T_COLOR_FEATURE, typename T_METHOD> class NeoPixelBus
{
public:
// Constructor: number of LEDs, pin number
// NOTE: Pin Number maybe ignored due to hardware limitations of the method.
NeoPixelBus(uint16_t countPixels, uint8_t pin) :
_countPixels(countPixels),
_state(0),
_method(pin, countPixels, T_COLOR_FEATURE::PixelSize, T_COLOR_FEATURE::SettingsSize)
{
}
NeoPixelBus(uint16_t countPixels, uint8_t pin, NeoBusChannel channel) :
_countPixels(countPixels),
_state(0),
_method(pin, countPixels, T_COLOR_FEATURE::PixelSize, T_COLOR_FEATURE::SettingsSize, channel)
{
}
NeoPixelBus(uint16_t countPixels, uint8_t pinClock, uint8_t pinData) :
_countPixels(countPixels),
_state(0),
_method(pinClock, pinData, countPixels, T_COLOR_FEATURE::PixelSize, T_COLOR_FEATURE::SettingsSize)
{
}
NeoPixelBus(uint16_t countPixels, uint8_t pinClock, uint8_t pinData, uint8_t pinLatch, uint8_t pinOutputEnable = NOT_A_PIN) :
_countPixels(countPixels),
_state(0),
_method(pinClock, pinData, pinLatch, pinOutputEnable, countPixels, T_COLOR_FEATURE::PixelSize, T_COLOR_FEATURE::SettingsSize)
{
}
NeoPixelBus(uint16_t countPixels) :
_countPixels(countPixels),
_state(0),
_method(countPixels, T_COLOR_FEATURE::PixelSize, T_COLOR_FEATURE::SettingsSize)
{
}
NeoPixelBus(uint16_t countPixels, Stream* pixieStream) :
_countPixels(countPixels),
_state(0),
_method(countPixels, T_COLOR_FEATURE::PixelSize, T_COLOR_FEATURE::SettingsSize, pixieStream)
{
}
~NeoPixelBus()
{
}
operator NeoBufferContext<T_COLOR_FEATURE>()
{
Dirty(); // we assume you are playing with bits
return NeoBufferContext<T_COLOR_FEATURE>(_pixels(), PixelsSize());
}
void Begin()
{
_method.Initialize();
ClearTo(0);
}
// used by DotStarSpiMethod/DotStarEsp32DmaSpiMethod if pins can be configured
void Begin(int8_t sck, int8_t miso, int8_t mosi, int8_t ss)
{
_method.Initialize(sck, miso, mosi, ss);
ClearTo(0);
}
// used by DotStarEsp32DmaSpiMethod if pins can be configured - reordered and extended version supporting quad SPI
void Begin(int8_t sck, int8_t dat0, int8_t dat1, int8_t dat2, int8_t dat3, int8_t ss)
{
_method.Initialize(sck, dat0, dat1, dat2, dat3, ss);
ClearTo(0);
}
// used by DotStarEsp32DmaSpiMethod if pins can be configured - reordered and extended version supporting oct SPI
void Begin(int8_t sck, int8_t dat0, int8_t dat1, int8_t dat2, int8_t dat3, int8_t dat4, int8_t dat5, int8_t dat6, int8_t dat7, int8_t ss)
{
_method.Initialize(sck, dat0, dat1, dat2, dat3, dat4, dat5, dat6, dat7, ss);
ClearTo(0);
}
void Show(bool maintainBufferConsistency = true)
{
if (!IsDirty() && !_method.AlwaysUpdate())
{
return;
}
_method.Update(maintainBufferConsistency);
ResetDirty();
}
inline bool CanShow() const
{
return _method.IsReadyToUpdate();
};
bool IsDirty() const
{
return (_state & NEO_DIRTY);
};
void Dirty()
{
_state |= NEO_DIRTY;
};
void ResetDirty()
{
_state &= ~NEO_DIRTY;
};
uint8_t* Pixels()
{
return _pixels();
};
size_t PixelsSize() const
{
return _method.getDataSize() - T_COLOR_FEATURE::SettingsSize;
};
size_t PixelSize() const
{
return T_COLOR_FEATURE::PixelSize;
};
uint16_t PixelCount() const
{
return _countPixels;
};
void SetPixelColor(uint16_t indexPixel, typename T_COLOR_FEATURE::ColorObject color)
{
if (indexPixel < _countPixels)
{
T_COLOR_FEATURE::applyPixelColor(_pixels(), indexPixel, color);
Dirty();
}
};
typename T_COLOR_FEATURE::ColorObject GetPixelColor(uint16_t indexPixel) const
{
if (indexPixel < _countPixels)
{
return T_COLOR_FEATURE::retrievePixelColor(_pixels(), indexPixel);
}
else
{
// Pixel # is out of bounds, this will get converted to a
// color object type initialized to 0 (black)
return 0;
}
};
template <typename T_COLOROBJECT> T_COLOROBJECT GetPixelColor(uint16_t indexPixel) const
{
return T_COLOROBJECT(GetPixelColor(indexPixel));
}
void ClearTo(typename T_COLOR_FEATURE::ColorObject color)
{
uint8_t temp[T_COLOR_FEATURE::PixelSize];
uint8_t* pixels = _pixels();
T_COLOR_FEATURE::applyPixelColor(temp, 0, color);
T_COLOR_FEATURE::replicatePixel(pixels, temp, _countPixels);
Dirty();
};
void ClearTo(typename T_COLOR_FEATURE::ColorObject color, uint16_t first, uint16_t last)
{
if (first < _countPixels &&
last < _countPixels &&
first <= last)
{
uint8_t temp[T_COLOR_FEATURE::PixelSize];
uint8_t* pixels = _pixels();
uint8_t* pFront = T_COLOR_FEATURE::getPixelAddress(pixels, first);
T_COLOR_FEATURE::applyPixelColor(temp, 0, color);
T_COLOR_FEATURE::replicatePixel(pFront, temp, last - first + 1);
Dirty();
}
}
void RotateLeft(uint16_t rotationCount)
{
if ((_countPixels - 1) >= rotationCount)
{
_rotateLeft(rotationCount, 0, _countPixels - 1);
}
}
void RotateLeft(uint16_t rotationCount, uint16_t first, uint16_t last)
{
if (first < _countPixels &&
last < _countPixels &&
first < last &&
(last - first) >= rotationCount)
{
_rotateLeft(rotationCount, first, last);
}
}
void ShiftLeft(uint16_t shiftCount)
{
if ((_countPixels - 1) >= shiftCount)
{
_shiftLeft(shiftCount, 0, _countPixels - 1);
Dirty();
}
}
void ShiftLeft(uint16_t shiftCount, uint16_t first, uint16_t last)
{
if (first < _countPixels &&
last < _countPixels &&
first < last &&
(last - first) >= shiftCount)
{
_shiftLeft(shiftCount, first, last);
Dirty();
}
}
void RotateRight(uint16_t rotationCount)
{
if ((_countPixels - 1) >= rotationCount)
{
_rotateRight(rotationCount, 0, _countPixels - 1);
}
}
void RotateRight(uint16_t rotationCount, uint16_t first, uint16_t last)
{
if (first < _countPixels &&
last < _countPixels &&
first < last &&
(last - first) >= rotationCount)
{
_rotateRight(rotationCount, first, last);
}
}
void ShiftRight(uint16_t shiftCount)
{
if ((_countPixels - 1) >= shiftCount)
{
_shiftRight(shiftCount, 0, _countPixels - 1);
Dirty();
}
}
void ShiftRight(uint16_t shiftCount, uint16_t first, uint16_t last)
{
if (first < _countPixels &&
last < _countPixels &&
first < last &&
(last - first) >= shiftCount)
{
_shiftRight(shiftCount, first, last);
Dirty();
}
}
void SwapPixelColor(uint16_t indexPixelOne, uint16_t indexPixelTwo)
{
auto colorOne = GetPixelColor(indexPixelOne);
auto colorTwo = GetPixelColor(indexPixelTwo);
SetPixelColor(indexPixelOne, colorTwo);
SetPixelColor(indexPixelTwo, colorOne);
};
void SetPixelSettings(const typename T_COLOR_FEATURE::SettingsObject& settings)
{
T_COLOR_FEATURE::applySettings(_method.getData(), _method.getDataSize(), settings);
if (_method.SwapBuffers())
{
// some methods have two internal buffers
// so need to swap so settings are stored in both copies
//
T_COLOR_FEATURE::applySettings(_method.getData(), _method.getDataSize(), settings);
// swap back to minimize inconsistencies
_method.SwapBuffers();
}
Dirty();
};
void SetMethodSettings(const typename T_METHOD::SettingsObject& settings)
{
_method.applySettings(settings);
Dirty();
};
uint32_t CalcTotalMilliAmpere(const typename T_COLOR_FEATURE::ColorObject::SettingsObject& settings)
{
uint32_t total = 0; // in 1/10th milliamps
for (uint16_t index = 0; index < _countPixels; index++)
{
auto color = GetPixelColor(index);
total += color.CalcTotalTenthMilliAmpere(settings);
}
return total / 10; // return millamps
}
protected:
const uint16_t _countPixels; // Number of RGB LEDs in strip
uint8_t _state; // internal state
T_METHOD _method;
uint8_t* _pixels()
{
// get pixels data within the data stream
return T_COLOR_FEATURE::pixels(_method.getData(), _method.getDataSize());
}
const uint8_t* _pixels() const
{
// get pixels data within the data stream
return T_COLOR_FEATURE::pixels(_method.getData(), _method.getDataSize());
}
void _rotateLeft(uint16_t rotationCount, uint16_t first, uint16_t last)
{
// store in temp
uint8_t temp[rotationCount * T_COLOR_FEATURE::PixelSize];
uint8_t* pixels = _pixels();
uint8_t* pFront = T_COLOR_FEATURE::getPixelAddress(pixels, first);
T_COLOR_FEATURE::movePixelsInc(temp, pFront, rotationCount);
// shift data
_shiftLeft(rotationCount, first, last);
// move temp back
pFront = T_COLOR_FEATURE::getPixelAddress(pixels, last - (rotationCount - 1));
T_COLOR_FEATURE::movePixelsInc(pFront, temp, rotationCount);
Dirty();
}
void _shiftLeft(uint16_t shiftCount, uint16_t first, uint16_t last)
{
uint16_t front = first + shiftCount;
uint16_t count = last - front + 1;
uint8_t* pixels = _pixels();
uint8_t* pFirst = T_COLOR_FEATURE::getPixelAddress(pixels, first);
uint8_t* pFront = T_COLOR_FEATURE::getPixelAddress(pixels, front);
T_COLOR_FEATURE::movePixelsInc(pFirst, pFront, count);
// intentional no dirty
}
void _rotateRight(uint16_t rotationCount, uint16_t first, uint16_t last)
{
// store in temp
uint8_t temp[rotationCount * T_COLOR_FEATURE::PixelSize];
uint8_t* pixels = _pixels();
uint8_t* pFront = T_COLOR_FEATURE::getPixelAddress(pixels, last - (rotationCount - 1));
T_COLOR_FEATURE::movePixelsDec(temp, pFront, rotationCount);
// shift data
_shiftRight(rotationCount, first, last);
// move temp back
pFront = T_COLOR_FEATURE::getPixelAddress(pixels, first);
T_COLOR_FEATURE::movePixelsDec(pFront, temp, rotationCount);
Dirty();
}
void _shiftRight(uint16_t shiftCount, uint16_t first, uint16_t last)
{
uint16_t front = first + shiftCount;
uint16_t count = last - front + 1;
uint8_t* pixels = _pixels();
uint8_t* pFirst = T_COLOR_FEATURE::getPixelAddress(pixels, first);
uint8_t* pFront = T_COLOR_FEATURE::getPixelAddress(pixels, front);
T_COLOR_FEATURE::movePixelsDec(pFront, pFirst, count);
// intentional no dirty
}
};