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Gašper Dobrovoljc
2023-03-11 15:11:03 +01:00
commit ec125f27db
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88
lib/NeoPixelBus_by_Makuna/examples/DotStarTest/DotStarTest.ino Normal file
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// DotStarTest
// This example will cycle between showing four pixels as Red, Green, Blue, White
// and then showing those pixels as Black.
//
// There is serial output of the current state so you can confirm and follow along
//
#include <NeoPixelBus.h>
const uint16_t PixelCount = 4; // this example assumes 4 pixels, making it smaller will cause a failure
// make sure to set this to the correct pins
const uint8_t DotClockPin = 2;
const uint8_t DotDataPin = 3;
#define colorSaturation 128
// for software bit bang
NeoPixelBus<DotStarBgrFeature, DotStarMethod> strip(PixelCount, DotClockPin, DotDataPin);
// for hardware SPI (best performance but must use hardware pins)
//NeoPixelBus<DotStarBgrFeature, DotStarSpiMethod> strip(PixelCount);
// DotStars that support RGB color and a overall luminance/brightness value
// NeoPixelBus<DotStarLbgrFeature, DotStarMethod> strip(PixelCount, DotClockPin, DotDataPin);
// DotStars that support RGBW color with a seperate white element
//NeoPixelBus<DotStarWbgrFeature, DotStarMethod> strip(PixelCount, DotClockPin, DotDataPin);
RgbColor red(colorSaturation, 0, 0);
RgbColor green(0, colorSaturation, 0);
RgbColor blue(0, 0, colorSaturation);
RgbColor white(colorSaturation);
RgbColor black(0);
// for use with RGB DotStars when using the luminance/brightness global value
// note that its range is only 0 - 31 (31 is full bright) and
// also note that it is not useful for POV displays as it will cause more flicker
RgbwColor redL(colorSaturation, 0, 0, 31); // use white value to store luminance
RgbwColor greenL(0, colorSaturation, 0, 31); // use white value to store luminance
RgbwColor blueL(0, 0, colorSaturation, 31); // use white value to store luminance
RgbwColor whiteL(255, 255, 255, colorSaturation / 8); // luminance is only 0-31
void setup()
{
Serial.begin(115200);
while (!Serial); // wait for serial attach
Serial.println();
Serial.println("Initializing...");
Serial.flush();
// this resets all the neopixels to an off state
strip.Begin();
strip.ClearTo(black);
strip.Show();
Serial.println();
Serial.println("Running...");
}
void loop()
{
delay(5000);
Serial.println("Colors R, G, B, W...");
// set the colors,
strip.SetPixelColor(0, red);
strip.SetPixelColor(1, green);
strip.SetPixelColor(2, blue);
strip.SetPixelColor(3, white);
strip.Show();
delay(5000);
Serial.println("Off ...");
// turn off the pixels
strip.SetPixelColor(0, black);
strip.SetPixelColor(1, black);
strip.SetPixelColor(2, black);
strip.SetPixelColor(3, black);
strip.Show();
}

83
lib/NeoPixelBus_by_Makuna/examples/NeoPixelBrightness/NeoPixelBrightness.ino Normal file
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// NeoPixelBrightness
// This example will cycle brightness from high to low of
// three pixels colored Red, Green, Blue.
// This demonstrates the use of the NeoPixelBrightnessBus
// with integrated brightness support
//
// There is serial output of the current state so you can
// confirm and follow along
//
#include <NeoPixelBrightnessBus.h> // instead of NeoPixelBus.h
const uint16_t PixelCount = 3; // this example assumes 3 pixels, making it smaller will cause a failure
const uint8_t PixelPin = 14; // make sure to set this to the correct pin, ignored for Esp8266
#define colorSaturation 255 // saturation of color constants
RgbColor red(colorSaturation, 0, 0);
RgbColor green(0, colorSaturation, 0);
RgbColor blue(0, 0, colorSaturation);
// Make sure to provide the correct color order feature
// for your NeoPixels
NeoPixelBrightnessBus<NeoRgbFeature, Neo800KbpsMethod> strip(PixelCount, PixelPin);
// you loose the original color the lower the dim value used
// here due to quantization
const uint8_t c_MinBrightness = 8;
const uint8_t c_MaxBrightness = 255;
int8_t direction; // current direction of dimming
void setup()
{
Serial.begin(115200);
while (!Serial); // wait for serial attach
Serial.println();
Serial.println("Initializing...");
Serial.flush();
// this resets all the neopixels to an off state
strip.Begin();
strip.Show();
direction = -1; // default to dim first
Serial.println();
Serial.println("Running...");
// set our three original colors
strip.SetPixelColor(0, red);
strip.SetPixelColor(1, green);
strip.SetPixelColor(2, blue);
strip.Show();
}
void loop()
{
uint8_t brightness = strip.GetBrightness();
Serial.println(brightness);
delay(100);
// swap diection of dim when limits are reached
//
if (direction < 0 && brightness <= c_MinBrightness)
{
direction = 1;
}
else if (direction > 0 && brightness >= c_MaxBrightness)
{
direction = -1;
}
// apply dimming
brightness += direction;
strip.SetBrightness(brightness);
// show the results
strip.Show();
}

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lib/NeoPixelBus_by_Makuna/examples/NeoPixelGamma/NeoPixelGamma.ino Normal file
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// NeoPixelGamma
// This example will display a timed series of color gradiants with gamma correction
// and then without.
// If the last pixel is on, then the colors being shown are color corrected.
// It will show Red grandiant, Green grandiant, Blue grandiant, a White grandiant, and
// then repeat.
//
// This will demonstrate the use of the NeoGamma class
//
//
#include <NeoPixelBus.h>
#include <NeoPixelAnimator.h>
const uint16_t PixelCount = 16; // make sure to set this to the number of pixels in your strip
const uint8_t PixelPin = 2; // make sure to set this to the correct pin, ignored for Esp8266
NeoPixelBus<NeoGrbFeature, Neo800KbpsMethod> strip(PixelCount, PixelPin);
// for esp8266 omit the pin
//NeoPixelBus<NeoGrbFeature, Neo800KbpsMethod> strip(PixelCount);
// uncomment only one of these to compare memory use or speed
//
// NeoGamma<NeoGammaEquationMethod> colorGamma;
NeoGamma<NeoGammaTableMethod> colorGamma;
void DrawPixels(bool corrected, HslColor startColor, HslColor stopColor)
{
for (uint16_t index = 0; index < strip.PixelCount() - 1; index++)
{
float progress = index / static_cast<float>(strip.PixelCount() - 2);
RgbColor color = HslColor::LinearBlend<NeoHueBlendShortestDistance>(startColor, stopColor, progress);
if (corrected)
{
color = colorGamma.Correct(color);
}
strip.SetPixelColor(index, color);
}
// use the last pixel to indicate if we are showing corrected colors or not
if (corrected)
{
strip.SetPixelColor(strip.PixelCount() - 1, RgbColor(64));
}
else
{
strip.SetPixelColor(strip.PixelCount() - 1, RgbColor(0));
}
strip.Show();
}
void setup()
{
strip.Begin();
strip.Show();
}
void loop()
{
HslColor startColor;
HslColor stopColor;
// red color
startColor = HslColor(0.0f, 1.0f, 0.0f);
stopColor = HslColor(0.0f, 1.0f, 0.5f);
DrawPixels(true, startColor, stopColor);
delay(5000);
DrawPixels(false, startColor, stopColor);
delay(5000);
// green color
startColor = HslColor(0.33f, 1.0f, 0.0f);
stopColor = HslColor(0.33f, 1.0f, 0.5f);
DrawPixels(true, startColor, stopColor);
delay(5000);
DrawPixels(false, startColor, stopColor);
delay(5000);
// blue color
startColor = HslColor(0.66f, 1.0f, 0.0f);
stopColor = HslColor(0.66f, 1.0f, 0.5f);
DrawPixels(true, startColor, stopColor);
delay(5000);
DrawPixels(false, startColor, stopColor);
delay(5000);
// white color
startColor = HslColor(0.0f, 0.0f, 0.0f);
stopColor = HslColor(0.0f, 0.0f, 0.5f);
DrawPixels(true, startColor, stopColor);
delay(5000);
DrawPixels(false, startColor, stopColor);
delay(5000);
}

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lib/NeoPixelBus_by_Makuna/examples/NeoPixelTest/NeoPixelTest.ino Normal file
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// NeoPixelTest
// This example will cycle between showing four pixels as Red, Green, Blue, White
// and then showing those pixels as Black.
//
// Included but commented out are examples of configuring a NeoPixelBus for
// different color order including an extra white channel, different data speeds, and
// for Esp8266 different methods to send the data.
// NOTE: You will need to make sure to pick the one for your platform
//
//
// There is serial output of the current state so you can confirm and follow along
//
#include <NeoPixelBus.h>
const uint16_t PixelCount = 4; // this example assumes 4 pixels, making it smaller will cause a failure
const uint8_t PixelPin = 2; // make sure to set this to the correct pin, ignored for Esp8266
#define colorSaturation 128
// three element pixels, in different order and speeds
NeoPixelBus<NeoGrbFeature, Neo800KbpsMethod> strip(PixelCount, PixelPin);
//NeoPixelBus<NeoRgbFeature, Neo400KbpsMethod> strip(PixelCount, PixelPin);
// For Esp8266, the Pin is omitted and it uses GPIO3 due to DMA hardware use.
// There are other Esp8266 alternative methods that provide more pin options, but also have
// other side effects.
// for details see wiki linked here https://github.com/Makuna/NeoPixelBus/wiki/ESP8266-NeoMethods
// You can also use one of these for Esp8266,
// each having their own restrictions
//
// These two are the same as above as the DMA method is the default
// NOTE: These will ignore the PIN and use GPI03 pin
//NeoPixelBus<NeoGrbFeature, NeoEsp8266Dma800KbpsMethod> strip(PixelCount, PixelPin);
//NeoPixelBus<NeoRgbFeature, NeoEsp8266Dma400KbpsMethod> strip(PixelCount, PixelPin);
// Uart method is good for the Esp-01 or other pin restricted modules
// for details see wiki linked here https://github.com/Makuna/NeoPixelBus/wiki/ESP8266-NeoMethods
// NOTE: These will ignore the PIN and use GPI02 pin
//NeoPixelBus<NeoGrbFeature, NeoEsp8266Uart1800KbpsMethod> strip(PixelCount, PixelPin);
//NeoPixelBus<NeoRgbFeature, NeoEsp8266Uart1400KbpsMethod> strip(PixelCount, PixelPin);
// The bitbang method is really only good if you are not using WiFi features of the ESP
// It works with all but pin 16
//NeoPixelBus<NeoGrbFeature, NeoEsp8266BitBang800KbpsMethod> strip(PixelCount, PixelPin);
//NeoPixelBus<NeoRgbFeature, NeoEsp8266BitBang400KbpsMethod> strip(PixelCount, PixelPin);
// four element pixels, RGBW
//NeoPixelBus<NeoRgbwFeature, Neo800KbpsMethod> strip(PixelCount, PixelPin);
RgbColor red(colorSaturation, 0, 0);
RgbColor green(0, colorSaturation, 0);
RgbColor blue(0, 0, colorSaturation);
RgbColor white(colorSaturation);
RgbColor black(0);
HslColor hslRed(red);
HslColor hslGreen(green);
HslColor hslBlue(blue);
HslColor hslWhite(white);
HslColor hslBlack(black);
void setup()
{
Serial.begin(115200);
while (!Serial); // wait for serial attach
Serial.println();
Serial.println("Initializing...");
Serial.flush();
// this resets all the neopixels to an off state
strip.Begin();
strip.Show();
Serial.println();
Serial.println("Running...");
}
void loop()
{
delay(5000);
Serial.println("Colors R, G, B, W...");
// set the colors,
// if they don't match in order, you need to use NeoGrbFeature feature
strip.SetPixelColor(0, red);
strip.SetPixelColor(1, green);
strip.SetPixelColor(2, blue);
strip.SetPixelColor(3, white);
// the following line demonstrates rgbw color support
// if the NeoPixels are rgbw types the following line will compile
// if the NeoPixels are anything else, the following line will give an error
//strip.SetPixelColor(3, RgbwColor(colorSaturation));
strip.Show();
delay(5000);
Serial.println("Off ...");
// turn off the pixels
strip.SetPixelColor(0, black);
strip.SetPixelColor(1, black);
strip.SetPixelColor(2, black);
strip.SetPixelColor(3, black);
strip.Show();
delay(5000);
Serial.println("HSL Colors R, G, B, W...");
// set the colors,
// if they don't match in order, you may need to use NeoGrbFeature feature
strip.SetPixelColor(0, hslRed);
strip.SetPixelColor(1, hslGreen);
strip.SetPixelColor(2, hslBlue);
strip.SetPixelColor(3, hslWhite);
strip.Show();
delay(5000);
Serial.println("Off again...");
// turn off the pixels
strip.SetPixelColor(0, hslBlack);
strip.SetPixelColor(1, hslBlack);
strip.SetPixelColor(2, hslBlack);
strip.SetPixelColor(3, hslBlack);
strip.Show();
}

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lib/NeoPixelBus_by_Makuna/examples/animations/NeoPixelAnimation/NeoPixelAnimation.ino Normal file
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// NeoPixelAnimation
// This example will randomly pick a new color for each pixel and animate
// the current color to the new color over a random small amount of time, using
// a randomly selected animation curve.
// It will repeat this process once all pixels have finished the animation
//
// This will demonstrate the use of the NeoPixelAnimator extended time feature.
// This feature allows for different time scales to be used, allowing slow extended
// animations to be created.
//
// This will demonstrate the use of the NeoEase animation ease methods; that provide
// simulated acceleration to the animations.
//
// It also includes platform specific code for Esp8266 that demonstrates easy
// animation state and function definition inline. This is not available on AVR
// Arduinos; but the AVR compatible code is also included for comparison.
//
// The example includes some serial output that you can follow along with as it
// does the animation.
//
#include <NeoPixelBus.h>
#include <NeoPixelAnimator.h>
const uint16_t PixelCount = 4; // make sure to set this to the number of pixels in your strip
const uint8_t PixelPin = 2; // make sure to set this to the correct pin, ignored for Esp8266
NeoPixelBus<NeoGrbFeature, Neo800KbpsMethod> strip(PixelCount, PixelPin);
// For Esp8266, the Pin is omitted and it uses GPIO3 due to DMA hardware use.
// There are other Esp8266 alternative methods that provide more pin options, but also have
// other side effects.
// for details see wiki linked here https://github.com/Makuna/NeoPixelBus/wiki/ESP8266-NeoMethods
// NeoPixel animation time management object
NeoPixelAnimator animations(PixelCount, NEO_CENTISECONDS);
// create with enough animations to have one per pixel, depending on the animation
// effect, you may need more or less.
//
// since the normal animation time range is only about 65 seconds, by passing timescale value
// to the NeoPixelAnimator constructor we can increase the time range, but we also increase
// the time between the animation updates.
// NEO_CENTISECONDS will update the animations every 100th of a second rather than the default
// of a 1000th of a second, but the time range will now extend from about 65 seconds to about
// 10.9 minutes. But you must remember that the values passed to StartAnimations are now
// in centiseconds.
//
// Possible values from 1 to 32768, and there some helpful constants defined as...
// NEO_MILLISECONDS 1 // ~65 seconds max duration, ms updates
// NEO_CENTISECONDS 10 // ~10.9 minutes max duration, centisecond updates
// NEO_DECISECONDS 100 // ~1.8 hours max duration, decisecond updates
// NEO_SECONDS 1000 // ~18.2 hours max duration, second updates
// NEO_DECASECONDS 10000 // ~7.5 days, 10 second updates
//
#if defined(NEOPIXEBUS_NO_STL)
// for AVR, you need to manage the state due to lack of STL/compiler support
// for Esp8266 you can define the function using a lambda and state is created for you
// see below for an example
struct MyAnimationState
{
RgbColor StartingColor; // the color the animation starts at
RgbColor EndingColor; // the color the animation will end at
AnimEaseFunction Easeing; // the acceleration curve it will use
};
MyAnimationState animationState[PixelCount];
// one entry per pixel to match the animation timing manager
void AnimUpdate(const AnimationParam& param)
{
// first apply an easing (curve) to the animation
// this simulates acceleration to the effect
float progress = animationState[param.index].Easeing(param.progress);
// this gets called for each animation on every time step
// progress will start at 0.0 and end at 1.0
// we use the blend function on the RgbColor to mix
// color based on the progress given to us in the animation
RgbColor updatedColor = RgbColor::LinearBlend(
animationState[param.index].StartingColor,
animationState[param.index].EndingColor,
progress);
// apply the color to the strip
strip.SetPixelColor(param.index, updatedColor);
}
#endif
void SetRandomSeed()
{
uint32_t seed;
// random works best with a seed that can use 31 bits
// analogRead on a unconnected pin tends toward less than four bits
seed = analogRead(0);
delay(1);
for (int shifts = 3; shifts < 31; shifts += 3)
{
seed ^= analogRead(0) << shifts;
delay(1);
}
// Serial.println(seed);
randomSeed(seed);
}
void setup()
{
Serial.begin(115200);
while (!Serial); // wait for serial attach
strip.Begin();
strip.Show();
SetRandomSeed();
// just pick some colors
for (uint16_t pixel = 0; pixel < PixelCount; pixel++)
{
RgbColor color = RgbColor(random(255), random(255), random(255));
strip.SetPixelColor(pixel, color);
}
Serial.println();
Serial.println("Running...");
}
void SetupAnimationSet()
{
// setup some animations
for (uint16_t pixel = 0; pixel < PixelCount; pixel++)
{
const uint8_t peak = 128;
// pick a random duration of the animation for this pixel
// since values are centiseconds, the range is 1 - 4 seconds
uint16_t time = random(100, 400);
// each animation starts with the color that was present
RgbColor originalColor = strip.GetPixelColor(pixel);
// and ends with a random color
RgbColor targetColor = RgbColor(random(peak), random(peak), random(peak));
// with the random ease function
AnimEaseFunction easing;
switch (random(3))
{
case 0:
easing = NeoEase::CubicIn;
break;
case 1:
easing = NeoEase::CubicOut;
break;
case 2:
easing = NeoEase::QuadraticInOut;
break;
}
#if defined(NEOPIXEBUS_NO_STL)
// each animation starts with the color that was present
animationState[pixel].StartingColor = originalColor;
// and ends with a random color
animationState[pixel].EndingColor = targetColor;
// using the specific curve
animationState[pixel].Easeing = easing;
// now use the animation state we just calculated and start the animation
// which will continue to run and call the update function until it completes
animations.StartAnimation(pixel, time, AnimUpdate);
#else
// we must supply a function that will define the animation, in this example
// we are using "lambda expression" to define the function inline, which gives
// us an easy way to "capture" the originalColor and targetColor for the call back.
//
// this function will get called back when ever the animation needs to change
// the state of the pixel, it will provide a animation progress value
// from 0.0 (start of animation) to 1.0 (end of animation)
//
// we use this progress value to define how we want to animate in this case
// we call RgbColor::LinearBlend which will return a color blended between
// the values given, by the amount passed, hich is also a float value from 0.0-1.0.
// then we set the color.
//
// There is no need for the MyAnimationState struct as the compiler takes care
// of those details for us
AnimUpdateCallback animUpdate = [=](const AnimationParam& param)
{
// progress will start at 0.0 and end at 1.0
// we convert to the curve we want
float progress = easing(param.progress);
// use the curve value to apply to the animation
RgbColor updatedColor = RgbColor::LinearBlend(originalColor, targetColor, progress);
strip.SetPixelColor(pixel, updatedColor);
};
// now use the animation properties we just calculated and start the animation
// which will continue to run and call the update function until it completes
animations.StartAnimation(pixel, time, animUpdate);
#endif
}
}
void loop()
{
if (animations.IsAnimating())
{
// the normal loop just needs these two to run the active animations
animations.UpdateAnimations();
strip.Show();
}
else
{
Serial.println();
Serial.println("Setup Next Set...");
// example function that sets up some animations
SetupAnimationSet();
}
}

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lib/NeoPixelBus_by_Makuna/examples/animations/NeoPixelCylon/NeoPixelCylon.ino Normal file
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// NeoPixelCylon
// This example will move a Cylon Red Eye back and forth across the
// the full collection of pixels on the strip.
//
// This will demonstrate the use of the NeoEase animation ease methods; that provide
// simulated acceleration to the animations.
//
//
#include <NeoPixelBus.h>
#include <NeoPixelAnimator.h>
const uint16_t PixelCount = 16; // make sure to set this to the number of pixels in your strip
const uint8_t PixelPin = 2; // make sure to set this to the correct pin, ignored for Esp8266
const RgbColor CylonEyeColor(HtmlColor(0x7f0000));
NeoPixelBus<NeoGrbFeature, Neo800KbpsMethod> strip(PixelCount, PixelPin);
// for esp8266 omit the pin
//NeoPixelBus<NeoGrbFeature, Neo800KbpsMethod> strip(PixelCount);
NeoPixelAnimator animations(2); // only ever need 2 animations
uint16_t lastPixel = 0; // track the eye position
int8_t moveDir = 1; // track the direction of movement
// uncomment one of the lines below to see the effects of
// changing the ease function on the movement animation
AnimEaseFunction moveEase =
// NeoEase::Linear;
// NeoEase::QuadraticInOut;
// NeoEase::CubicInOut;
NeoEase::QuarticInOut;
// NeoEase::QuinticInOut;
// NeoEase::SinusoidalInOut;
// NeoEase::ExponentialInOut;
// NeoEase::CircularInOut;
void FadeAll(uint8_t darkenBy)
{
RgbColor color;
for (uint16_t indexPixel = 0; indexPixel < strip.PixelCount(); indexPixel++)
{
color = strip.GetPixelColor(indexPixel);
color.Darken(darkenBy);
strip.SetPixelColor(indexPixel, color);
}
}
void FadeAnimUpdate(const AnimationParam& param)
{
if (param.state == AnimationState_Completed)
{
FadeAll(10);
animations.RestartAnimation(param.index);
}
}
void MoveAnimUpdate(const AnimationParam& param)
{
// apply the movement animation curve
float progress = moveEase(param.progress);
// use the curved progress to calculate the pixel to effect
uint16_t nextPixel;
if (moveDir > 0)
{
nextPixel = progress * PixelCount;
}
else
{
nextPixel = (1.0f - progress) * PixelCount;
}
// if progress moves fast enough, we may move more than
// one pixel, so we update all between the calculated and
// the last
if (lastPixel != nextPixel)
{
for (uint16_t i = lastPixel + moveDir; i != nextPixel; i += moveDir)
{
strip.SetPixelColor(i, CylonEyeColor);
}
}
strip.SetPixelColor(nextPixel, CylonEyeColor);
lastPixel = nextPixel;
if (param.state == AnimationState_Completed)
{
// reverse direction of movement
moveDir *= -1;
// done, time to restart this position tracking animation/timer
animations.RestartAnimation(param.index);
}
}
void SetupAnimations()
{
// fade all pixels providing a tail that is longer the faster
// the pixel moves.
animations.StartAnimation(0, 5, FadeAnimUpdate);
// take several seconds to move eye fron one side to the other
animations.StartAnimation(1, 2000, MoveAnimUpdate);
}
void setup()
{
strip.Begin();
strip.Show();
SetupAnimations();
}
void loop()
{
// this is all that is needed to keep it running
// and avoiding using delay() is always a good thing for
// any timing related routines
animations.UpdateAnimations();
strip.Show();
}

130
lib/NeoPixelBus_by_Makuna/examples/animations/NeoPixelFunFadeInOut/NeoPixelFunFadeInOut.ino Normal file
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// NeoPixelFunFadeInOut
// This example will randomly pick a color and fade all pixels to that color, then
// it will fade them to black and restart over
//
// This example demonstrates the use of a single animation channel to animate all
// the pixels at once.
//
#include <NeoPixelBus.h>
#include <NeoPixelAnimator.h>
const uint16_t PixelCount = 16; // make sure to set this to the number of pixels in your strip
const uint8_t PixelPin = 2; // make sure to set this to the correct pin, ignored for Esp8266
const uint8_t AnimationChannels = 1; // we only need one as all the pixels are animated at once
NeoPixelBus<NeoGrbFeature, Neo800KbpsMethod> strip(PixelCount, PixelPin);
// For Esp8266, the Pin is omitted and it uses GPIO3 due to DMA hardware use.
// There are other Esp8266 alternative methods that provide more pin options, but also have
// other side effects.
// for details see wiki linked here https://github.com/Makuna/NeoPixelBus/wiki/ESP8266-NeoMethods
NeoPixelAnimator animations(AnimationChannels); // NeoPixel animation management object
boolean fadeToColor = true; // general purpose variable used to store effect state
// what is stored for state is specific to the need, in this case, the colors.
// basically what ever you need inside the animation update function
struct MyAnimationState
{
RgbColor StartingColor;
RgbColor EndingColor;
};
// one entry per pixel to match the animation timing manager
MyAnimationState animationState[AnimationChannels];
void SetRandomSeed()
{
uint32_t seed;
// random works best with a seed that can use 31 bits
// analogRead on a unconnected pin tends toward less than four bits
seed = analogRead(0);
delay(1);
for (int shifts = 3; shifts < 31; shifts += 3)
{
seed ^= analogRead(0) << shifts;
delay(1);
}
randomSeed(seed);
}
// simple blend function
void BlendAnimUpdate(const AnimationParam& param)
{
// this gets called for each animation on every time step
// progress will start at 0.0 and end at 1.0
// we use the blend function on the RgbColor to mix
// color based on the progress given to us in the animation
RgbColor updatedColor = RgbColor::LinearBlend(
animationState[param.index].StartingColor,
animationState[param.index].EndingColor,
param.progress);
// apply the color to the strip
for (uint16_t pixel = 0; pixel < PixelCount; pixel++)
{
strip.SetPixelColor(pixel, updatedColor);
}
}
void FadeInFadeOutRinseRepeat(float luminance)
{
if (fadeToColor)
{
// Fade upto a random color
// we use HslColor object as it allows us to easily pick a hue
// with the same saturation and luminance so the colors picked
// will have similiar overall brightness
RgbColor target = HslColor(random(360) / 360.0f, 1.0f, luminance);
uint16_t time = random(800, 2000);
animationState[0].StartingColor = strip.GetPixelColor(0);
animationState[0].EndingColor = target;
animations.StartAnimation(0, time, BlendAnimUpdate);
}
else
{
// fade to black
uint16_t time = random(600, 700);
animationState[0].StartingColor = strip.GetPixelColor(0);
animationState[0].EndingColor = RgbColor(0);
animations.StartAnimation(0, time, BlendAnimUpdate);
}
// toggle to the next effect state
fadeToColor = !fadeToColor;
}
void setup()
{
strip.Begin();
strip.Show();
SetRandomSeed();
}
void loop()
{
if (animations.IsAnimating())
{
// the normal loop just needs these two to run the active animations
animations.UpdateAnimations();
strip.Show();
}
else
{
// no animation runnning, start some
//
FadeInFadeOutRinseRepeat(0.2f); // 0.0 = black, 0.25 is normal, 0.5 is bright
}
}

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// NeoPixelFunLoop
// This example will move a trail of light around a series of pixels.
// A ring formation of pixels looks best.
// The trail will have a slowly fading tail.
//
// This will demonstrate the use of the NeoPixelAnimator.
// It shows the advanced use an animation to control the modification and
// starting of other animations.
// It also shows the normal use of animating colors.
// It also demonstrates the ability to share an animation channel rather than
// hard code them to pixels.
//
#include <NeoPixelBus.h>
#include <NeoPixelAnimator.h>
const uint16_t PixelCount = 16; // make sure to set this to the number of pixels in your strip
const uint16_t PixelPin = 2; // make sure to set this to the correct pin, ignored for Esp8266
const uint16_t AnimCount = PixelCount / 5 * 2 + 1; // we only need enough animations for the tail and one extra
const uint16_t PixelFadeDuration = 300; // third of a second
// one second divide by the number of pixels = loop once a second
const uint16_t NextPixelMoveDuration = 1000 / PixelCount; // how fast we move through the pixels
NeoGamma<NeoGammaTableMethod> colorGamma; // for any fade animations, best to correct gamma
NeoPixelBus<NeoGrbFeature, Neo800KbpsMethod> strip(PixelCount, PixelPin);
// For Esp8266, the Pin is omitted and it uses GPIO3 due to DMA hardware use.
// There are other Esp8266 alternative methods that provide more pin options, but also have
// other side effects.
// for details see wiki linked here https://github.com/Makuna/NeoPixelBus/wiki/ESP8266-NeoMethods
// what is stored for state is specific to the need, in this case, the colors and
// the pixel to animate;
// basically what ever you need inside the animation update function
struct MyAnimationState
{
RgbColor StartingColor;
RgbColor EndingColor;
uint16_t IndexPixel; // which pixel this animation is effecting
};
NeoPixelAnimator animations(AnimCount); // NeoPixel animation management object
MyAnimationState animationState[AnimCount];
uint16_t frontPixel = 0; // the front of the loop
RgbColor frontColor; // the color at the front of the loop
void SetRandomSeed()
{
uint32_t seed;
// random works best with a seed that can use 31 bits
// analogRead on a unconnected pin tends toward less than four bits
seed = analogRead(0);
delay(1);
for (int shifts = 3; shifts < 31; shifts += 3)
{
seed ^= analogRead(0) << shifts;
delay(1);
}
// Serial.println(seed);
randomSeed(seed);
}
void FadeOutAnimUpdate(const AnimationParam& param)
{
// this gets called for each animation on every time step
// progress will start at 0.0 and end at 1.0
// we use the blend function on the RgbColor to mix
// color based on the progress given to us in the animation
RgbColor updatedColor = RgbColor::LinearBlend(
animationState[param.index].StartingColor,
animationState[param.index].EndingColor,
param.progress);
// apply the color to the strip
strip.SetPixelColor(animationState[param.index].IndexPixel,
colorGamma.Correct(updatedColor));
}
void LoopAnimUpdate(const AnimationParam& param)
{
// wait for this animation to complete,
// we are using it as a timer of sorts
if (param.state == AnimationState_Completed)
{
// done, time to restart this position tracking animation/timer
animations.RestartAnimation(param.index);
// pick the next pixel inline to start animating
//
frontPixel = (frontPixel + 1) % PixelCount; // increment and wrap
if (frontPixel == 0)
{
// we looped, lets pick a new front color
frontColor = HslColor(random(360) / 360.0f, 1.0f, 0.25f);
}
uint16_t indexAnim;
// do we have an animation available to use to animate the next front pixel?
// if you see skipping, then either you are going to fast or need to increase
// the number of animation channels
if (animations.NextAvailableAnimation(&indexAnim, 1))
{
animationState[indexAnim].StartingColor = frontColor;
animationState[indexAnim].EndingColor = RgbColor(0, 0, 0);
animationState[indexAnim].IndexPixel = frontPixel;
animations.StartAnimation(indexAnim, PixelFadeDuration, FadeOutAnimUpdate);
}
}
}
void setup()
{
strip.Begin();
strip.Show();
SetRandomSeed();
// we use the index 0 animation to time how often we move to the next
// pixel in the strip
animations.StartAnimation(0, NextPixelMoveDuration, LoopAnimUpdate);
}
void loop()
{
// this is all that is needed to keep it running
// and avoiding using delay() is always a good thing for
// any timing related routines
animations.UpdateAnimations();
strip.Show();
}

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// NeoPixelFunRandomChange
// This example will randomly select a number pixels and then
// start an animation to blend them from their current color to
// randomly selected a color
//
#include <NeoPixelBus.h>
#include <NeoPixelAnimator.h>
const uint16_t PixelCount = 16; // make sure to set this to the number of pixels in your strip
const uint8_t PixelPin = 2; // make sure to set this to the correct pin, ignored for Esp8266
NeoPixelBus<NeoGrbFeature, Neo800KbpsMethod> strip(PixelCount, PixelPin);
// For Esp8266, the Pin is omitted and it uses GPIO3 due to DMA hardware use.
// There are other Esp8266 alternative methods that provide more pin options, but also have
// other side effects.
// for details see wiki linked here https://github.com/Makuna/NeoPixelBus/wiki/ESP8266-NeoMethods
NeoPixelAnimator animations(PixelCount); // NeoPixel animation management object
// what is stored for state is specific to the need, in this case, the colors.
// Basically what ever you need inside the animation update function
struct MyAnimationState
{
RgbColor StartingColor;
RgbColor EndingColor;
};
// one entry per pixel to match the animation timing manager
MyAnimationState animationState[PixelCount];
void SetRandomSeed()
{
uint32_t seed;
// random works best with a seed that can use 31 bits
// analogRead on a unconnected pin tends toward less than four bits
seed = analogRead(0);
delay(1);
for (int shifts = 3; shifts < 31; shifts += 3)
{
seed ^= analogRead(0) << shifts;
delay(1);
}
// Serial.println(seed);
randomSeed(seed);
}
// simple blend function
void BlendAnimUpdate(const AnimationParam& param)
{
// this gets called for each animation on every time step
// progress will start at 0.0 and end at 1.0
// we use the blend function on the RgbColor to mix
// color based on the progress given to us in the animation
RgbColor updatedColor = RgbColor::LinearBlend(
animationState[param.index].StartingColor,
animationState[param.index].EndingColor,
param.progress);
// apply the color to the strip
strip.SetPixelColor(param.index, updatedColor);
}
void PickRandom(float luminance)
{
// pick random count of pixels to animate
uint16_t count = random(PixelCount);
while (count > 0)
{
// pick a random pixel
uint16_t pixel = random(PixelCount);
// pick random time and random color
// we use HslColor object as it allows us to easily pick a color
// with the same saturation and luminance
uint16_t time = random(100, 400);
animationState[pixel].StartingColor = strip.GetPixelColor(pixel);
animationState[pixel].EndingColor = HslColor(random(360) / 360.0f, 1.0f, luminance);
animations.StartAnimation(pixel, time, BlendAnimUpdate);
count--;
}
}
void setup()
{
strip.Begin();
strip.Show();
SetRandomSeed();
}
void loop()
{
if (animations.IsAnimating())
{
// the normal loop just needs these two to run the active animations
animations.UpdateAnimations();
strip.Show();
}
else
{
// no animations runnning, start some
//
PickRandom(0.2f); // 0.0 = black, 0.25 is normal, 0.5 is bright
}
}

97
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// NeoPixelFunLoop
// This example will move a trail of light around a series of pixels.
// A ring formation of pixels looks best.
// The trail will have a slowly fading tail.
//
// This will demonstrate the use of the RotateRight method.
//
#include <NeoPixelBus.h>
#include <NeoPixelAnimator.h>
const uint16_t PixelCount = 16; // make sure to set this to the number of pixels in your strip
const uint16_t PixelPin = 2; // make sure to set this to the correct pin, ignored for Esp8266
const uint16_t AnimCount = 1; // we only need one
const uint16_t TailLength = 6; // length of the tail, must be shorter than PixelCount
const float MaxLightness = 0.4f; // max lightness at the head of the tail (0.5f is full bright)
NeoGamma<NeoGammaTableMethod> colorGamma; // for any fade animations, best to correct gamma
NeoPixelBus<NeoGrbFeature, Neo800KbpsMethod> strip(PixelCount, PixelPin);
// for esp8266 omit the pin
//NeoPixelBus<NeoGrbFeature, Neo800KbpsMethod> strip(PixelCount);
NeoPixelAnimator animations(AnimCount); // NeoPixel animation management object
void SetRandomSeed()
{
uint32_t seed;
// random works best with a seed that can use 31 bits
// analogRead on a unconnected pin tends toward less than four bits
seed = analogRead(0);
delay(1);
for (int shifts = 3; shifts < 31; shifts += 3)
{
seed ^= analogRead(0) << shifts;
delay(1);
}
// Serial.println(seed);
randomSeed(seed);
}
void LoopAnimUpdate(const AnimationParam& param)
{
// wait for this animation to complete,
// we are using it as a timer of sorts
if (param.state == AnimationState_Completed)
{
// done, time to restart this position tracking animation/timer
animations.RestartAnimation(param.index);
// rotate the complete strip one pixel to the right on every update
strip.RotateRight(1);
}
}
void DrawTailPixels()
{
// using Hsl as it makes it easy to pick from similiar saturated colors
float hue = random(360) / 360.0f;
for (uint16_t index = 0; index < strip.PixelCount() && index <= TailLength; index++)
{
float lightness = index * MaxLightness / TailLength;
RgbColor color = HslColor(hue, 1.0f, lightness);
strip.SetPixelColor(index, colorGamma.Correct(color));
}
}
void setup()
{
strip.Begin();
strip.Show();
SetRandomSeed();
// Draw the tail that will be rotated through all the rest of the pixels
DrawTailPixels();
// we use the index 0 animation to time how often we rotate all the pixels
animations.StartAnimation(0, 66, LoopAnimUpdate);
}
void loop()
{
// this is all that is needed to keep it running
// and avoiding using delay() is always a good thing for
// any timing related routines
animations.UpdateAnimations();
strip.Show();
}

98
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// NeoPixelBuffer
// This example will animate pixels using a bitmap stored on a SD card
//
//
// This will demonstrate the use of the NeoBitmapFile object
// NOTE: The images provided in the example directory should be copied to
// the root of the SD card so the below code will find it.
// NOTE: This sample and the included images were built for a 144 pixel strip so
// running this with a smaller string may not look as interesting. Try providing
// your own 24 bit bitmap for better results.
#include <NeoPixelBus.h>
#include <NeoPixelAnimator.h>
#include <SPI.h>
#include <SD.h>
const int chipSelect = D8; // make sure to set this to your SD carder reader CS
//typedef NeoGrbFeature MyPixelColorFeature;
typedef NeoGrbwFeature MyPixelColorFeature;
const uint16_t PixelCount = 144; // the sample images are meant for 144 pixels
const uint16_t PixelPin = 2;
const uint16_t AnimCount = 1; // we only need one
NeoPixelBus<MyPixelColorFeature, Neo800KbpsMethod> strip(PixelCount, PixelPin);
// for esp8266 omit the pin
//NeoPixelBus<MyPixelColorFeature, Neo800KbpsMethod> strip(PixelCount);
NeoPixelAnimator animations(AnimCount); // NeoPixel animation management object
// our NeoBitmapFile will use the same color feature as NeoPixelBus and
// we want it to use the SD File object
NeoBitmapFile<MyPixelColorFeature, File> image;
uint16_t animState;
void LoopAnimUpdate(const AnimationParam& param)
{
// wait for this animation to complete,
// we are using it as a timer of sorts
if (param.state == AnimationState_Completed)
{
// done, time to restart this position tracking animation/timer
animations.RestartAnimation(param.index);
// draw the complete row at animState to the complete strip
image.Blt(strip, 0, 0, animState, image.Width());
animState = (animState + 1) % image.Height(); // increment and wrap
}
}
void setup() {
Serial.begin(115200);
while (!Serial); // wait for serial attach
strip.Begin();
strip.Show();
Serial.print("Initializing SD card...");
// see if the card is present and can be initialized:
if (!SD.begin(chipSelect))
{
Serial.println("Card failed, or not present");
// don't do anything more:
return;
}
Serial.println("card initialized.");
// open the file
File bitmapFile = SD.open("strings.bmp");
if (!bitmapFile)
{
Serial.println("File open fail, or not present");
// don't do anything more:
return;
}
// initialize the image with the file
if (!image.Begin(bitmapFile))
{
Serial.println("File format fail, not a supported bitmap");
// don't do anything more:
return;
}
animState = 0;
// we use the index 0 animation to time how often we rotate all the pixels
animations.StartAnimation(0, 30, LoopAnimUpdate);
}
void loop() {
// this is all that is needed to keep it running
// and avoiding using delay() is always a good thing for
// any timing related routines
animations.UpdateAnimations();
strip.Show();
}

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lib/NeoPixelBus_by_Makuna/examples/bitmaps/NeoPixelBufferCylon/CylonGrb.h Normal file
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// To recreate the data below, use the Paint.Net plugin "Arduino Progmem NeoPixel FileType"
// to save as/export the included Cylon.pdn
// Paint.Net - http://www.getpaint.net/download.html#download
// Plugin - http://forums.getpaint.net/index.php?/topic/107921-arduino-neopixel-sketch-exporter/
// This uses Flatten, GRB, Hexadecimal
//
const uint16_t myImageWidth = 16;
const uint16_t myImageHeight = 20;
const uint8_t PROGMEM myImage[] = { // (16 x 20) GRB in Hexadecimal
0x00, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x3f, 0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x3f, 0x00, 0x00, 0x7f, 0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3f, 0x00, 0x00, 0x7f, 0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3f, 0x00, 0x00, 0x7f, 0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00,
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30
lib/NeoPixelBus_by_Makuna/examples/bitmaps/NeoPixelBufferCylon/CylonGrbw.h Normal file
View File

@@ -0,0 +1,30 @@
// To recreate the data below, use the Paint.Net plugin "Arduino Progmem NeoPixel FileType"
// to save as/export the included Cylon.pdn
// Paint.Net - http://www.getpaint.net/download.html#download
// Plugin - http://forums.getpaint.net/index.php?/topic/107921-arduino-neopixel-sketch-exporter/
// This uses Flatten, GRBW, Hexadecimal
//
const uint16_t myImageWidth = 16;
const uint16_t myImageHeight = 20;
const uint8_t PROGMEM myImage[] = { // (16 x 20) GRBW in Hexadecimal
0x00, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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74
lib/NeoPixelBus_by_Makuna/examples/bitmaps/NeoPixelBufferCylon/NeoPixelBufferCylon.ino Normal file
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@@ -0,0 +1,74 @@
// NeoPixelBufferCylon
// This example will move a Cylon Red Eye back and forth across the
// the full collection of pixels on the strip.
//
// This will demonstrate the use of the NeoVerticalSpriteSheet
//
#include <NeoPixelBus.h>
#include <NeoPixelAnimator.h>
// The actual image is contained in the data structure in one of the Cylon*.h files
// You will need to use the one that has the same color feature as your NeoPixelBus
// There are two provided, but you can create your own easily enough using
// free versions of Paint.Net and the plugin
#include "CylonGrb.h"
typedef NeoGrbFeature MyPixelColorFeature;
// #include "CylonGrbw.h"
// typedef NeoGrbwFeature MyPixelColorFeature;
const uint16_t PixelCount = 16; // the sample images are meant for 16 pixels
const uint16_t PixelPin = 2;
const uint16_t AnimCount = 1; // we only need one
NeoPixelBus<MyPixelColorFeature, Neo800KbpsMethod> strip(PixelCount, PixelPin);
// for esp8266 omit the pin
//NeoPixelBus<MyPixelColorFeature, Neo800KbpsMethod> strip(PixelCount);
NeoPixelAnimator animations(AnimCount); // NeoPixel animation management object
// sprite sheet stored in progmem using the same pixel feature as the NeoPixelBus
NeoVerticalSpriteSheet<NeoBufferProgmemMethod<MyPixelColorFeature>> spriteSheet(
myImageWidth, // image width and sprite width since its vertical sprite sheet
myImageHeight, // image height
1, // sprite is only one pixel high
myImage);
uint16_t indexSprite;
void LoopAnimUpdate(const AnimationParam& param)
{
// wait for this animation to complete,
// we are using it as a timer of sorts
if (param.state == AnimationState_Completed)
{
// done, time to restart this position tracking animation/timer
animations.RestartAnimation(param.index);
// draw the next frame in the sprite
spriteSheet.Blt(strip, 0, indexSprite);
indexSprite = (indexSprite + 1) % myImageHeight; // increment and wrap
}
}
void setup()
{
strip.Begin();
strip.Show();
indexSprite = 0;
// we use the index 0 animation to time how often we rotate all the pixels
animations.StartAnimation(0, 60, LoopAnimUpdate);
}
void loop()
{
// this is all that is needed to keep it running
// and avoiding using delay() is always a good thing for
// any timing related routines
animations.UpdateAnimations();
strip.Show();
}

167
lib/NeoPixelBus_by_Makuna/examples/bitmaps/NeoPixelBufferShader/NeoPixelBufferShader.ino Normal file
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@@ -0,0 +1,167 @@
// NeoPixelBufferShader
// This example will provide a shader class to the NeoPixelBuffer that will dim and brighten
// the pixels that are in the buffer (a device dependent bitmap)
//
#include <NeoPixelBus.h>
const uint16_t PixelCount = 64; // set this to the size of your strip
const uint8_t PixelPin = 2; // make sure to set this to the correct pin, ignored for Esp8266
// three element GRB pixels, change to your needs
NeoPixelBus<NeoGrbFeature, Neo800KbpsMethod> strip(PixelCount, PixelPin);
// the buffer object,
// defined to use memory with the same feature as the strip
// initialized with the same number of pixels as our strip
NeoBuffer<NeoBufferMethod<NeoGrbFeature>> image(8,8,NULL);
const RgbColor BrightRed(255, 0, 0);
const RgbColor BrightGreen(0, 255, 0);
const RgbColor BrightBlue(0, 0, 255);
const RgbColor BrightYellow(255, 255, 0);
const RgbColor BrightCyan(0, 255, 255);
const RgbColor BrightPurple(255, 0, 255);
const RgbColor DarkRed(32, 0, 0);
const RgbColor DarkGreen(0, 32, 0);
const RgbColor DarkBlue(0, 0, 32);
const RgbColor DarkYellow(32, 32, 0);
const RgbColor DarkCyan(0, 32, 32);
const RgbColor DarkPurple(32, 0, 32);
const RgbColor White(255);
const RgbColor Black(0);
// define a custom shader object that provides brightness support
// based upon the NeoShaderBase
template<typename T_COLOR_FEATURE> class BrightnessShader : public NeoShaderBase
{
public:
BrightnessShader():
NeoShaderBase(),
_brightness(255) // default to full bright
{}
// required for a shader object, it will be called for
// every pixel
void Apply(uint16_t index, uint8_t* pDest, uint8_t* pSrc)
{
// we don't care what the index is so we ignore it
//
// to apply our brightness shader,
// use the source color, modify, and apply to the destination
// for every byte in the pixel,
// scale the source value by the brightness and
// store it in the destination byte
const uint8_t* pSrcEnd = pSrc + T_COLOR_FEATURE::PixelSize;
while (pSrc != pSrcEnd)
{
*pDest++ = (*pSrc++ * (uint16_t(_brightness) + 1)) >> 8;
}
}
// provide an accessor to set brightness
void setBrightness(uint8_t brightness)
{
_brightness = brightness;
Dirty(); // must call dirty when a property changes
}
// provide an accessor to get brightness
uint8_t getBrightness()
{
return _brightness;
}
private:
uint8_t _brightness;
};
// create an instance of our shader object with the same feature as our buffer
BrightnessShader<NeoGrbFeature> shader;
// some dimming tracking variables and settings
int8_t delta;
void setup()
{
Serial.begin(115200);
while (!Serial); // wait for serial attach
Serial.println();
Serial.println("Initializing...");
Serial.flush();
// this resets all the neopixels to an off state
strip.Begin();
strip.Show();
// dibs do not default to any color,
// so clear it to black if you aren't going to draw
// into every pixel
image.ClearTo(Black);
// draw a pattern into the image
uint8_t x = 0;
uint8_t y = 0;
image.SetPixelColor(x++, y, DarkRed);
image.SetPixelColor(x++, y, DarkYellow);
image.SetPixelColor(x++, y, DarkGreen);
image.SetPixelColor(x++, y, DarkCyan);
image.SetPixelColor(x++, y, DarkBlue);
image.SetPixelColor(x++, y, DarkPurple);
x = 0;
y = 1;
image.SetPixelColor(x++, y, BrightRed);
image.SetPixelColor(x++, y, BrightYellow);
image.SetPixelColor(x++, y, BrightGreen);
image.SetPixelColor(x++, y, BrightCyan);
image.SetPixelColor(x++, y, BrightBlue);
image.SetPixelColor(x++, y, BrightPurple);
Serial.println();
Serial.println("Running...");
delta = -1; // start by dimming downward
}
void loop()
{
// we increment by delta every 30ms
delay(30);
// update the brightness in shader
//
uint8_t brightness = shader.getBrightness();
// check if we flip directions
if (brightness == 0)
{
delta = 1; // increment
}
else if (brightness == 255)
{
delta = -1; // decrement
}
// modify and apply
brightness += delta;
shader.setBrightness(brightness);
Serial.println(brightness);
// render the image using the shader and then call Show()
// these two should be called together in order
//
// need to provide the type of color feature for the strip and
// the type of our custom shader
image.Render<BrightnessShader<NeoGrbFeature>>(strip, shader);
strip.Show();
}

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// NeoPixelDibTest
// This example will provide a shader class to the NeoPixelDib that will dim and brighten
// the pixels that are in the Dib (Device Independant Bitmap)
//
#include <NeoPixelBus.h>
const uint16_t PixelCount = 64; // set this to the size of your strip
const uint8_t PixelPin = 2; // make sure to set this to the correct pin, ignored for Esp8266
// three element GRB pixels, change to your needs
NeoPixelBus<NeoGrbFeature, Neo800KbpsMethod> strip(PixelCount, PixelPin);
// the DIB object, using RgbColor and initialized with the same number of pixels as our strip
NeoDib<RgbColor> image(PixelCount);
const RgbColor BrightRed(255, 0, 0);
const RgbColor BrightGreen(0, 255, 0);
const RgbColor BrightBlue(0, 0, 255);
const RgbColor BrightYellow(255, 255, 0);
const RgbColor BrightCyan(0, 255, 255);
const RgbColor BrightPurple(255, 0, 255);
const RgbColor DarkRed(32, 0, 0);
const RgbColor DarkGreen(0, 32, 0);
const RgbColor DarkBlue(0, 0, 32);
const RgbColor DarkYellow(32, 32, 0);
const RgbColor DarkCyan(0, 32, 32);
const RgbColor DarkPurple(32, 0, 32);
const RgbColor White(255);
const RgbColor Black(0);
// define a custom shader object that provides brightness support
// based upon the NeoShaderBase
class BrightnessShader : public NeoShaderBase
{
public:
BrightnessShader():
NeoShaderBase(),
_brightness(255) // default to full bright
{}
// required for a shader object, it will be called for
// every pixel
RgbColor Apply(uint16_t index, RgbColor original)
{
// we don't care what the index is so we ignore it
//
// to apply our brightness shader, modify the original color and return the color we want
// blend from black (_brightness == 0.0) to the original color (_brightness == 1.0)
return RgbColor::LinearBlend(Black, original, (float)_brightness / 255.0f);
}
// provide an accessor to set brightness
void setBrightness(uint8_t brightness)
{
_brightness = brightness;
Dirty(); // must call dirty when a property changes
}
// provide an accessor to get brightness
uint8_t getBrightness()
{
return _brightness;
}
private:
uint8_t _brightness;
};
// create an instance of our shader object
BrightnessShader shader;
// some dimming tracking variables and settings
int8_t delta;
void setup()
{
Serial.begin(115200);
while (!Serial); // wait for serial attach
Serial.println();
Serial.println("Initializing...");
Serial.flush();
// this resets all the neopixels to an off state
strip.Begin();
strip.Show();
// dibs do not default to any color,
// so clear it to black if you aren't going to draw
// into every pixel
image.ClearTo(Black);
// draw a pattern into the image
uint8_t index = 0;
image.SetPixelColor(index++, DarkRed);
image.SetPixelColor(index++, DarkYellow);
image.SetPixelColor(index++, DarkGreen);
image.SetPixelColor(index++, DarkCyan);
image.SetPixelColor(index++, DarkBlue);
image.SetPixelColor(index++, DarkPurple);
image.SetPixelColor(index++, Black);
image.SetPixelColor(index++, Black);
image.SetPixelColor(index++, BrightRed);
image.SetPixelColor(index++, BrightYellow);
image.SetPixelColor(index++, BrightGreen);
image.SetPixelColor(index++, BrightCyan);
image.SetPixelColor(index++, BrightBlue);
image.SetPixelColor(index++, BrightPurple);
Serial.println();
Serial.println("Running...");
delta = -1; // start by dimming downward
}
void loop()
{
// we increment by delta every 30ms
delay(30);
// update the brightness in shader
//
uint8_t brightness = shader.getBrightness();
// check if we flip directions
if (brightness == 0)
{
delta = 1; // increment
}
else if (brightness == 255)
{
delta = -1; // decrement
}
// modify and apply
brightness += delta;
shader.setBrightness(brightness);
Serial.println(brightness);
// render the image using the shader and then call Show()
// these two should be called together in order
//
// need to provide the type of color feature for the strip and
// the type of our custom shader
image.Render<NeoGrbFeature, BrightnessShader>(strip, shader);
strip.Show();
}

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// NeoSegmentBus
// This example will demonstrate using the NeoSegmentBus which provides support for a
// seven segment LED digit driven by three WS2811; connected in series with other digits
//
// See https://shop.idlehandsdev.com/products/addressable-7-segment-display for a hardware example
//
// This example will print the string "3.14" and then rotate it through the available digits
//
#include <NeoPixelSegmentBus.h>
const uint16_t DigitCount = 4; // Max Digits, not segments, not pixels
const uint8_t BusPin = 2; // make sure to set this to the correct pin, ignored for Esp8266
#define brightness 128
NeoPixelSegmentBus<SevenSegmentFeature, NeoWs2811Method> strip(DigitCount, BusPin);
void setup()
{
strip.Begin();
strip.Show(); // clears all digits by default
delay(500);
strip.SetString(0, "3.14", brightness);
strip.Show();
}
void loop()
{
delay(2000);
strip.RotateLeft(1);
strip.Show();
}

144
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// NeoSegmentBus
// This example will demonstrate using the NeoSegmentBus which provides support for a
// seven segment LED digit driven by three WS2811; connected in series with other digits
//
// See https://shop.idlehandsdev.com/products/addressable-7-segment-display for a hardware example
//
// This example will print current seconds since start of the Arduino
// with a digit animating a circling path for each second
//
#include <NeoPixelSegmentBus.h>
#include <NeoPixelAnimator.h>
const uint16_t DigitCount = 5; // Max Digits, not segments, not pixels
const uint8_t BusPin = 2; // make sure to set this to the correct pin, ignored for Esp8266
const uint16_t CycleDigit = 0;
const uint16_t SecondsDigit = 1;
#define brightness 128
NeoPixelSegmentBus<SevenSegmentFeature, NeoWs2811Method> strip(DigitCount, BusPin);
enum Animation
{
Animation_Cycle, // animation for the cycle indicator
Animation_Fade, // animation for fade of seconds
Animation_COUNT
};
NeoPixelAnimator animations(Animation_COUNT);
void CycleAnimation(const AnimationParam& param)
{
// calculate which segment should be on using the animation progress
uint8_t bitfield = 1 << (uint8_t)(param.progress * LedSegment_F);
// instant a digit with that segment on
SevenSegDigit digit(bitfield, brightness);
// apply it to the strip
strip.SetPixelColor(CycleDigit, digit);
}
// for the animation of fading the new number in, we use
// two digit DIBs (Device Independant Bitmaps) of SevenSegDigit to blend with;
// each sized one less than the strip due to the first is a used for the cycle
// animation.
typedef NeoDib<SevenSegDigit> SevenSegDib;
SevenSegDib StartingDigits(DigitCount - 1);
SevenSegDib EndingDigits(DigitCount - 1);
// shader class that will do the "string" blending
//
class DigitBlendShader
{
public:
// this shader always renders and doesn't track a dirty state
bool IsDirty() const
{
return true;
}
void ResetDirty()
{
}
SevenSegDigit Apply(uint16_t indexDigit, SevenSegDigit digit)
{
// since we call EndingDigits.Render below, the digit argument is
// from the EndingDigits so no need to call GetPixelColor to get it
// create a digit that is a blend between the last seconds
// value and the next seconds value using the BlendAmount
SevenSegDigit blendDigit = SevenSegDigit::LinearBlend(
StartingDigits.GetPixelColor(indexDigit),
digit,
BlendAmount);
return blendDigit;
}
float BlendAmount;
};
// the instance of our shader class
DigitBlendShader blendShader;
void FadeAnimation(const AnimationParam& param)
{
// set the shader property BlendAmount to the animation progress
blendShader.BlendAmount = param.progress;
// apply it to the strip at the SecondsDigit location
EndingDigits.Render<SevenSegmentFeature, DigitBlendShader>(strip,
blendShader,
SecondsDigit);
}
uint32_t lastSeconds;
void setup()
{
lastSeconds = millis() / 1000;
strip.Begin();
strip.Show();
// init animation Dibs as cleared
StartingDigits.ClearTo(0);
EndingDigits.ClearTo(0);
}
void loop()
{
uint32_t seconds = millis() / 1000;
// when the seconds change, start animations for the update
//
if (seconds != lastSeconds)
{
// copy last animation ending digits as starting digits
StartingDigits = EndingDigits;
// format and display new value in ending digits dib
String display(seconds);
SevenSegDigit::SetString<SevenSegDib>(EndingDigits,
0,
display.c_str(),
brightness);
// start the seconds fade animation
animations.StartAnimation(Animation_Fade, 1000, FadeAnimation);
// start the cycle animation for the next second
animations.StartAnimation(Animation_Cycle, 1000, CycleAnimation);
lastSeconds = seconds;
}
if (animations.IsAnimating())
{
// the normal loop just needs these two to run the active animations
animations.UpdateAnimations();
strip.Show();
}
}

98
lib/NeoPixelBus_by_Makuna/examples/topologies/NeoPixelMosaicDump/NeoPixelMosaicDump.ino Normal file
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//----------------------------------------------------------------------
// NeoPixelMosaicDump
// This will dump to the serial output a grid map of the defined mosaic
// The output is displayed as row column labeled grid with the NeoPixelBus
// index of the pixel at the intersection of the row and column.
//
// To help with physical layout, there maybe included a symbol following the index
// < means the index is the input index for the panel, the first on the panel
// > means the index is the output index for the panel, the last on the panel
//
// This is useful in visualising the mosaic layout of your panels to
// confirm you have them correctly wired together for this mosaic pattern
//
// It does not require that you have the actual panel connected
//----------------------------------------------------------------------
#include <NeoPixelAnimator.h>
#include <NeoPixelBus.h>
// uncomment one of these that matches your panel pixel layouts
// rotation is ignored for mosaic as it applies a rotation for you
// that is specific to the location of the panel within the mosaic
// to reduce connection lengths
typedef ColumnMajorAlternatingLayout MyPanelLayout;
// typedef ColumnMajorLayout MyPanelLayout;
// typedef RowMajorAlternatingLayout MyPanelLayout;
// typedef RowMajorLayout MyPanelLayout;
// make sure to set these panel and tile layout to match your sizes
const uint8_t PanelWidth = 8; // a 8 pixel x 8 pixel matrix of leds on the panel
const uint8_t PanelHeight = 8;
const uint8_t TileWidth = 4; // laid out in 4 panels x 2 panels mosaic
const uint8_t TileHeight = 2;
NeoMosaic <MyPanelLayout> mosaic(
PanelWidth,
PanelHeight,
TileWidth,
TileHeight);
void DumpMosaic()
{
Serial.println();
Serial.print("\t\t");
for (int x = 0; x < mosaic.getWidth(); x++)
{
Serial.print(x);
Serial.print("\t");
}
Serial.println();
Serial.print("\t---");
for (int x = 0; x < mosaic.getWidth(); x++)
{
Serial.print("--------");
}
Serial.println();
for (int y = 0; y < mosaic.getHeight(); y++)
{
Serial.print(" ");
Serial.print(y);
Serial.print("\t|\t");
for (int x = 0; x < mosaic.getWidth(); x++)
{
NeoTopologyHint hint = mosaic.TopologyHint(x, y);
Serial.print(mosaic.Map(x, y));
if (hint == NeoTopologyHint_FirstOnPanel)
{
Serial.print("<");
}
else if (hint == NeoTopologyHint_LastOnPanel)
{
Serial.print(">");
}
Serial.print("\t");
}
Serial.println();
}
}
void setup()
{
Serial.begin(115200);
while (!Serial); // wait for serial attach
DumpMosaic();
}
void loop()
{
}

97
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//----------------------------------------------------------------------
// NeoPixelTopologyTest
// This will display specific colors in specific locations on the led panels
//
// This is useful in confirming the layout of your panels
//
// It does require that you have the actual panels connected
//----------------------------------------------------------------------
#include <NeoPixelAnimator.h>
#include <NeoPixelBus.h>
// uncomment one of these that matches your panel pixel layouts
// rotation is ignored for mosaic as it applies a rotation for you
// that is specific to the location of the panel within the mosaic
// to reduce connection lengths
typedef ColumnMajorAlternatingLayout MyPanelLayout;
// typedef ColumnMajorLayout MyPanelLayout;
// typedef RowMajorAlternatingLayout MyPanelLayout;
// typedef RowMajorLayout MyPanelLayout;
// make sure to set these panel values to the sizes of yours
const uint8_t PanelWidth = 8; // 8 pixel x 8 pixel matrix of leds
const uint8_t PanelHeight = 8;
const uint8_t TileWidth = 4; // laid out in 4 panels x 2 panels mosaic
const uint8_t TileHeight = 2;
const uint16_t PixelCount = PanelWidth * PanelHeight * TileWidth * TileHeight;
const uint8_t PixelPin = 2;
NeoMosaic <MyPanelLayout> mosaic(
PanelWidth,
PanelHeight,
TileWidth,
TileHeight);
NeoPixelBus<NeoGrbFeature, Neo800KbpsMethod> strip(PixelCount, PixelPin);
// for esp8266 omit the pin
//NeoPixelBus<NeoGrbFeature, Neo800KbpsMethod> strip(PixelCount);
RgbColor red(128, 0, 0);
RgbColor green(0, 128, 0);
RgbColor blue(0, 0, 128);
RgbColor white(128);
// if using NeoRgbwFeature above, use this white instead to use
// the correct white element of the LED
//RgbwColor white(128);
RgbColor black(0);
const uint16_t left = 0;
const uint16_t right = PanelWidth - 1;
const uint16_t top = 0;
const uint16_t bottom = PanelHeight - 1;
void setup()
{
Serial.begin(115200);
while (!Serial); // wait for serial attach
Serial.println();
Serial.println("Initializing...");
strip.Begin();
strip.Show();
Serial.println();
Serial.println("Running...");
}
void loop()
{
delay(2500);
Serial.println();
Serial.println("If your panel is correctly defined, you should see ...");
Serial.println("Upper left is white.");
Serial.println("Upper right is Red.");
Serial.println("Lower right is Green");
Serial.println("Lower Left is Blue");
// use the topo to map the 2d cordinate to the pixel
// and use that to SetPixelColor
strip.SetPixelColor(mosaic.Map(left, top), white);
strip.SetPixelColor(mosaic.Map(right, top), red);
strip.SetPixelColor(mosaic.Map(right, bottom), green);
strip.SetPixelColor(mosaic.Map(left, bottom), blue);
strip.Show();
delay(5000);
Serial.println();
Serial.println("Cleared to black ...");
strip.ClearTo(black);
strip.Show();
}

100
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//----------------------------------------------------------------------
// NeoPixelRingTopologyTest
// This will display specific colors in specific locations on the led rings
//
// This is useful in confirming the layout of your rings
//
// It does require that you have the actual series of rings connected
//----------------------------------------------------------------------
#include <NeoPixelBus.h>
const uint8_t PixelCount = 119;
const uint8_t PixelPin = 2; // make sure to set this to the correct pin, ignored for Esp8266
// define the layout of your series of rings
//
// This example is using all of Adafruits rings and a Jewel in the center.
// The center is the input and all the rings are connected in series going outward
//
// Rings:
// 0 - 1 (virtual ring, the center of the jewel)
// 1 - 6 (virtual ring, the outer ring of the jewel)
// 2 - 12 count ring
// 3 - 16 count ring
// 4 - 24 count ring
// 5 - 60 count ring comprised of four arc segments
//
// The values below in Rings[] are the index of the first pixel in each ring.
// An extra value is appended for a virtual ring start that also
// represents the total count of pixels in the complete series and this extra
// value is required.
//
class MyRingsLayout
{
protected:
const uint16_t Rings[7] = {0, 1, 7, 19, 35, 59, PixelCount};
};
// use the MyRingsLayout to declare the topo object
//
NeoRingTopology<MyRingsLayout> topo;
// declare our strip
//
NeoPixelBus<NeoGrbFeature, Neo800KbpsMethod> strip(PixelCount, PixelPin);
// define some handy colors
//
RgbColor red(128, 0, 0);
RgbColor green(0, 128, 0);
RgbColor blue(0, 0, 128);
RgbColor black(0);
void setup()
{
Serial.begin(115200);
while (!Serial); // wait for serial attach
Serial.println();
Serial.println("Initializing...");
strip.Begin();
strip.Show();
Serial.println();
Serial.println("Running...");
}
void loop()
{
delay(2500);
Serial.println();
Serial.println("If your panel is correctly defined, you should see ...");
Serial.println("First pixel in each ring is Red.");
Serial.println("Middle pixel in each ring is Green.");
Serial.println("Last Pixel in each ring is Blue.");
// use the topo to map the 2d polar cordinate to the pixel
// and use that to SetPixelColor
for (uint16_t ring = 0; ring < topo.getCountOfRings(); ring++)
{
// first pixel in each ring is red
strip.SetPixelColor(topo.Map(ring, 0), red);
// last pixel in each ring is blue
strip.SetPixelColor(topo.Map(ring, topo.getPixelCountAtRing(ring) - 1), blue);
// middle pixel in each ring is green
strip.SetPixelColor(topo.Map(ring, topo.getPixelCountAtRing(ring) / 2), green);
}
strip.Show();
delay(5000);
Serial.println();
Serial.println("Cleared to black ...");
strip.ClearTo(black);
strip.Show();
}

102
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//----------------------------------------------------------------------
// NeoPixelTileDump
// This will dump to the serial output a grid map of the defined tiles
// The output is displayed as row column labeled grid with the NeoPixelBus
// index of the pixel at the intersection of the row and column
//
// To help with physical layout, there maybe included a symbol following the index
// < means the index is the input index for the panel, the first on the panel
// > means the index is the output index for the panel, the last on the panel
//
// This is useful in visualising the tile layout of your panels to
// confirm you have them correctly wired together for the defined pattern
//
// It does not require that you have the actual panel connected
//----------------------------------------------------------------------
#include <NeoPixelAnimator.h>
#include <NeoPixelBus.h>
// uncomment one of these that matches your panel pixel layouts and
// how you want them rotated. Not all the rotations are listed here
// but you can modifiy the name to include the rotation of 90,180, or 270.
typedef ColumnMajorAlternatingLayout MyPanelLayout;
// typedef ColumnMajorLayout MyPanelLayout;
// typedef RowMajorAlternatingLayout MyPanelLayout;
// typedef RowMajorLayout MyPanelLayout;
// typedef RowMajor90Layout MyPanelLayout; // note rotation 90 was used
// change this to be one of the layouts which will define the layout
// of the panels themselves
typedef ColumnMajorLayout MyTilesLayout;
// make sure to set these panel and tile layout to match your sizes
const uint8_t PanelWidth = 8; // 8 pixel x 8 pixel matrix of leds
const uint8_t PanelHeight = 8;
const uint8_t TileWidth = 4; // laid out in 4 panels x 2 panels mosaic
const uint8_t TileHeight = 2;
NeoTiles <MyPanelLayout, MyTilesLayout> tiles(
PanelWidth,
PanelHeight,
TileWidth,
TileHeight);
void DumpTopo()
{
Serial.println();
Serial.print("\t\t");
for (int x = 0; x < tiles.getWidth(); x++)
{
Serial.print(x);
Serial.print("\t");
}
Serial.println();
Serial.print("\t---");
for (int x = 0; x < tiles.getWidth(); x++)
{
Serial.print("--------");
}
Serial.println();
for (int y = 0; y < tiles.getHeight(); y++)
{
Serial.print(" ");
Serial.print(y);
Serial.print("\t|\t");
for (int x = 0; x < tiles.getWidth(); x++)
{
NeoTopologyHint hint = tiles.TopologyHint(x, y);
Serial.print(tiles.Map(x, y));
if (hint == NeoTopologyHint_FirstOnPanel)
{
Serial.print("<");
}
else if (hint == NeoTopologyHint_LastOnPanel)
{
Serial.print(">");
}
Serial.print("\t");
}
Serial.println();
}
}
void setup()
{
Serial.begin(115200);
while (!Serial); // wait for serial attach
DumpTopo();
}
void loop()
{
}

103
lib/NeoPixelBus_by_Makuna/examples/topologies/NeoPixelTilesTest/NeoPixelTilesTest.ino Normal file
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//----------------------------------------------------------------------
// NeoPixelTilesTest
// This will display specific colors in specific locations on the led panels
//
// This is useful in confirming the layout of your panels
//
// It does require that you have the actual panels connected
//----------------------------------------------------------------------
#include <NeoPixelAnimator.h>
#include <NeoPixelBus.h>
// uncomment one of these that matches your panel pixel layouts and
// how you want them rotated. Not all the rotations are listed here
// but you can modifiy the name to include the rotation of 90,180, or 270.
typedef ColumnMajorAlternatingLayout MyPanelLayout;
// typedef ColumnMajorLayout MyPanelLayout;
// typedef RowMajorAlternatingLayout MyPanelLayout;
// typedef RowMajorLayout MyPanelLayout;
// typedef RowMajor90Layout MyPanelLayout; // note rotation 90 was used
// change this to be one of the layouts which will define the layout
// of the panels themselves
typedef ColumnMajorLayout MyTilesLayout;
// make sure to set these panel values to the sizes of yours
const uint8_t PanelWidth = 8; // 8 pixel x 8 pixel matrix of leds
const uint8_t PanelHeight = 8;
const uint8_t TileWidth = 4; // laid out in 4 panels x 2 panels mosaic
const uint8_t TileHeight = 2;
const uint16_t PixelCount = PanelWidth * PanelHeight * TileWidth * TileHeight;
const uint8_t PixelPin = 2;
NeoTiles <MyPanelLayout, MyTilesLayout> tiles(
PanelWidth,
PanelHeight,
TileWidth,
TileHeight);
NeoPixelBus<NeoGrbFeature, Neo800KbpsMethod> strip(PixelCount, PixelPin);
//NeoPixelBus<NeoRgbFeature, Neo800KbpsMethod> strip(PixelCount, PixelPin);
//NeoPixelBus<NeoRgbwFeature, Neo800KbpsMethod> strip(PixelCount, PixelPin);
// for esp8266 omit the pin
//NeoPixelBus<NeoGrbFeature, Neo800KbpsMethod> strip(PixelCount);
RgbColor red(128, 0, 0);
RgbColor green(0, 128, 0);
RgbColor blue(0, 0, 128);
RgbColor white(128);
// if using NeoRgbwFeature above, use this white instead to use
// the correct white element of the LED
//RgbwColor white(128);
RgbColor black(0);
const uint16_t left = 0;
const uint16_t right = PanelWidth - 1;
const uint16_t top = 0;
const uint16_t bottom = PanelHeight - 1;
void setup()
{
Serial.begin(115200);
while (!Serial); // wait for serial attach
Serial.println();
Serial.println("Initializing...");
strip.Begin();
strip.Show();
Serial.println();
Serial.println("Running...");
}
void loop()
{
delay(2500);
Serial.println();
Serial.println("If your panel is correctly defined, you should see ...");
Serial.println("Upper left is white.");
Serial.println("Upper right is Red.");
Serial.println("Lower right is Green");
Serial.println("Lower Left is Blue");
// use the topo to map the 2d cordinate to the pixel
// and use that to SetPixelColor
strip.SetPixelColor(tiles.Map(left, top), white);
strip.SetPixelColor(tiles.Map(right, top), red);
strip.SetPixelColor(tiles.Map(right, bottom), green);
strip.SetPixelColor(tiles.Map(left, bottom), blue);
strip.Show();
delay(5000);
Serial.println();
Serial.println("Cleared to black ...");
strip.ClearTo(black);
strip.Show();
}

78
lib/NeoPixelBus_by_Makuna/examples/topologies/NeoPixelTopologyDump/NeoPixelTopologyDump.ino Normal file
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//----------------------------------------------------------------------
// NeoPixelTopologyDump
// This will dump to the serial output a grid map of the defined topology
// The output is displayed as row column labeled grid with the NeoPixelBus
// index of the pixel at the intersection of the row and column
//
// This is useful in visualising the layout of your panel so you can
// confirm you have the correct pattern
//
// It does not require that you have the actual panel connected
//----------------------------------------------------------------------
#include <NeoPixelAnimator.h>
#include <NeoPixelBus.h>
// uncomment one of these that matches your panel pixel layouts and
// how you want them rotated. Not all the rotations are listed here
// but you can modifiy the name to include the rotation of 90,180, or 270.
typedef ColumnMajorAlternatingLayout MyPanelLayout;
// typedef ColumnMajorLayout MyPanelLayout;
// typedef RowMajorAlternatingLayout MyPanelLayout;
// typedef RowMajorLayout MyPanelLayout;
// typedef RowMajor90Layout MyPanelLayout; // note rotation 90 was used
// make sure to set these panel values to the sizes of yours
const uint8_t PanelWidth = 8; // 8 pixel x 8 pixel matrix of leds
const uint8_t PanelHeight = 8;
NeoTopology<MyPanelLayout> topo(PanelWidth, PanelHeight);
void DumpTopo()
{
Serial.println();
Serial.print("\t\t");
for (int x = 0; x < topo.getWidth(); x++)
{
Serial.print(x);
Serial.print("\t");
}
Serial.println();
Serial.print("\t--");
for (int x = 0; x < topo.getWidth(); x++)
{
Serial.print("--------");
}
Serial.println();
for (int y = 0; y < topo.getHeight(); y++)
{
Serial.print(" ");
Serial.print(y);
Serial.print("\t|\t");
for (int x = 0; x < topo.getWidth(); x++)
{
Serial.print(topo.Map(x, y));
Serial.print("\t");
}
Serial.println();
}
}
void setup()
{
Serial.begin(115200);
while (!Serial); // wait for serial attach
DumpTopo();
}
void loop()
{
}

92
lib/NeoPixelBus_by_Makuna/examples/topologies/NeoPixelTopologyTest/NeoPixelTopologyTest.ino Normal file
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//----------------------------------------------------------------------
// NeoPixelTopologyTest
// This will display specific colors in specific locations on the led panel
//
// This is useful in confirming the layout of your panel
//
// It does require that you have the actual panel connected
//----------------------------------------------------------------------
#include <NeoPixelAnimator.h>
#include <NeoPixelBus.h>
// uncomment one of these that matches your panel pixel layouts and
// how you want them rotated. Not all the rotations are listed here
// but you can modifiy the name to include the rotation of 90,180, or 270.
typedef ColumnMajorAlternatingLayout MyPanelLayout;
// typedef ColumnMajorLayout MyPanelLayout;
// typedef RowMajorAlternatingLayout MyPanelLayout;
// typedef RowMajorLayout MyPanelLayout;
// typedef RowMajor90Layout MyPanelLayout; // note rotation 90 was used
// make sure to set these panel values to the sizes of yours
const uint8_t PanelWidth = 8; // 8 pixel x 8 pixel matrix of leds
const uint8_t PanelHeight = 8;
const uint16_t PixelCount = PanelWidth * PanelHeight;
const uint8_t PixelPin = 2; // make sure to set this to the correct pin, ignored for Esp8266
NeoTopology<MyPanelLayout> topo(PanelWidth, PanelHeight);
NeoPixelBus<NeoGrbFeature, Neo800KbpsMethod> strip(PixelCount, PixelPin);
//NeoPixelBus<NeoRgbFeature, Neo800KbpsMethod> strip(PixelCount, PixelPin);
//NeoPixelBus<NeoRgbwFeature, Neo800KbpsMethod> strip(PixelCount, PixelPin);
// for esp8266 omit the pin
//NeoPixelBus<NeoGrbFeature, Neo800KbpsMethod> strip(PixelCount);
RgbColor red(128, 0, 0);
RgbColor green(0, 128, 0);
RgbColor blue(0, 0, 128);
RgbColor white(128);
// if using NeoRgbwFeature above, use this white instead to use
// the correct white element of the LED
//RgbwColor white(128);
RgbColor black(0);
const uint16_t left = 0;
const uint16_t right = PanelWidth - 1;
const uint16_t top = 0;
const uint16_t bottom = PanelHeight - 1;
void setup()
{
Serial.begin(115200);
while (!Serial); // wait for serial attach
Serial.println();
Serial.println("Initializing...");
strip.Begin();
strip.Show();
Serial.println();
Serial.println("Running...");
}
void loop()
{
delay(2500);
Serial.println();
Serial.println("If your panel is correctly defined, you should see ...");
Serial.println("Upper left is white.");
Serial.println("Upper right is Red.");
Serial.println("Lower right is Green");
Serial.println("Lower Left is Blue");
// use the topo to map the 2d cordinate to the pixel
// and use that to SetPixelColor
strip.SetPixelColor(topo.Map(left, top), white);
strip.SetPixelColor(topo.Map(right, top), red);
strip.SetPixelColor(topo.Map(right, bottom), green);
strip.SetPixelColor(topo.Map(left, bottom), blue);
strip.Show();
delay(5000);
Serial.println();
Serial.println("Cleared to black ...");
strip.ClearTo(black);
strip.Show();
}