esp-pixelprojektor/pixelprojektor/pixelprojektor.ino

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#include <Homie.h>
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#include <Adafruit_NeoPixel.h>
#include <ArduinoOTA.h>
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#include "NeoPatterns.h"
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#ifdef __AVR__
#include <avr/power.h>
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#endif
#define PIN D1 //data pin for ws2812 (pixelprojektor @ ctdo: PIN 2)
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#define NUMPIXELS 64
NeoPatterns strip = NeoPatterns(NUMPIXELS, PIN, NEO_GRB + NEO_KHZ800, &StripComplete);
bool stopAfterCompletion;
void StripComplete() {
if (stopAfterCompletion)
{
strip.IconComplete();
}
return;
}
HomieNode homieNode("pixel", "commands");
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bool onSetColor(const HomieRange& range, const String& value) {
if (!range.isRange || range.index < 0 || range.index > 1) {
return false;
}
switch (range.index) {
case 0:
strip.SetColor1(value.toInt());
break;
case 1:
strip.SetColor2(value.toInt());
break;
}
homieNode.setProperty("color_" + String(range.index)).send(value);
}
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bool onSetPixel(const HomieRange& range, const String& value) {
if (!range.isRange) {
strip.None();
strip.ColorSet(value.toInt());
homieNode.setProperty("pixel").send(value);
return true;
}
if (range.index < 0 || range.index > strip.numPixels() - 1) {
return false;
}
strip.None();
strip.setPixelColor(range.index, value.toInt());
strip.show();
homieNode.setProperty("pixel_" + String(range.index)).send(value);
}
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bool onSetBrightness(const HomieRange& range, const String& value) {
long brightness = value.toInt();
if (brightness < 0 || brightness > 255) {
return false;
}
strip.setBrightness(brightness);
strip.show();
homieNode.setProperty("brightness").send(value);
}
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bool onSetEffect(const HomieRange& range, const String& value) {
stopAfterCompletion = false;
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String effect = value;
effect.toLowerCase();
if (effect == "scanner") {
strip.Scanner(strip.Color(255, 0, 0));
}
else if (effect == "randomscanner") {
strip.Scanner(strip.Color(255, 0, 0), 40, true);
}
else if (effect == "larsonspiral") {
strip.Scanner(strip.Color(255, 0, 0), 40, true, true);
}
else if (effect == "rainbowcycle") {
strip.RainbowCycle(50);
}
else if (effect == "theaterchase" || effect == "chase") {
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strip.TheaterChase(strip.Color(255, 0, 0), strip.Color(0, 0, 255), 100);
}
else if (effect == "fade") {
strip.Fade(strip.Color(255, 0, 0), strip.Color(0, 0, 255), 200, 100);
}
else if (effect == "randomfade") {
strip.RandomFade();
}
else if (effect == "random") {
strip.Random();
} else if (effect == "smooth") { //example: smooth|[wheelspeed]|[smoothing]|[strength] wheelspeed=1-255, smoothing=0-100, strength=1-255
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strip.Smooth(16, 80, 50, 40);
}
else {
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// Test whether command with parameters was sent
int sep = value.indexOf("|");
String command = value.substring(0, sep);
String parameters = value.substring(sep + 1);
if (command.equals("fill")) {
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strip.ColorSetParameters(parameters);
}
else if (command.equals("randomfade")) {
int sepparam = parameters.indexOf("|");
int p1 = parameters.substring(0, sepparam).toInt();
if (p1 <= 0) {
p1 = 5;
}
strip.RandomFadeSingle(p1);
}
else {
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strip.None();
}
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}
homieNode.setProperty("effect").send(value);
}
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bool onSetIcon(const HomieRange& range, const String& value) {
stopAfterCompletion = true;
String _iconname = value;
if (value[0] == '#') { //color given
strip.Icon(value.substring(7)[0], value.substring(0, 6));
}
else {
strip.Icon(value[0]);
}
homieNode.setProperty("icon").send(value);
}
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bool onSetClear(const HomieRange& range, const String& value) {
strip.None();
strip.clear();
strip.show();
homieNode.setProperty("clear").send(value);
}
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bool onSetLength(const HomieRange& range, const String& value) {
strip.None();
strip.clear();
strip.show();
int newLength = value.toInt();
if (newLength > 0) {
strip.updateLength(newLength);
}
homieNode.setProperty("length").send(value);
}
void loopHandler() {
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strip.Update();
}
void setup() {
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Serial.begin(115200);
Homie_setFirmware("pixelprojektor", "1.0.0");
Homie.setLoopFunction(loopHandler);
homieNode.advertiseRange("pixel", 0, NUMPIXELS - 1).settable(onSetPixel);
homieNode.advertiseRange("color", 0, 1).settable(onSetColor);
homieNode.advertise("brightness").settable(onSetBrightness);
homieNode.advertise("effect").settable(onSetEffect);
homieNode.advertise("clear").settable(onSetClear);
homieNode.advertise("length").settable(onSetLength);
homieNode.advertise("icon").settable(onSetIcon);
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Homie.setup();
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strip.begin();
strip.clear();
strip.setBrightness(64);
strip.show();
stopAfterCompletion = false; // Default
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ArduinoOTA.setHostname("pixelprojektor");
ArduinoOTA.onStart([]() {
strip.clear();
strip.setBrightness(64);
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});
ArduinoOTA.onEnd([]() {
strip.clear();
});
ArduinoOTA.onProgress([](unsigned int progress, unsigned int total) {
strip.setPixelColor(progress / (total / NUMPIXELS), strip.Color(100, 0, 0));
strip.show();
});
ArduinoOTA.begin();
}
void loop() {
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Homie.loop();
ArduinoOTA.handle();
}
// Diese Effekte müssen nach dem Umbau wieder vorhanden sein:
/*
case EFFECT_SPIRAL:
led_spiral();
break;
case EFFECT_RANDOMFADE:
led_randomfade();
break;
case EFFECT_CHASE:
led_chase();
break;
*/
/************ Old stuff ************/
/*
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int fadespeedmax = 5; //1 to 255
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void led_random()
{
for (int i = 0; i < strip.numPixels(); i++) {
strip.setPixelColor(i, wheel(random(0, 255)));
}
strip.show();
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}
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void led_radar()
{
// "Sweep" in cirles...
// line(0,0,950*cos(radians(iAngle)),-950*sin(radians(iAngle)));
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}
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void led_spiral()
{
int every = 4;
wheelPos++;
int qp = Index % every;
Index++;
if (Index >= strip.numPixels() - 1) {
Index = 0;
}
int q = Index % every;
for (uint16_t i = 0; i < strip.numPixels(); i = i + every) {
strip.setPixelColor(numToSpiralPos(i + q), wheel( (i + Index * 4) % 255)); //turn every "every" pixel on
}
for (uint16_t i = 0; i < strip.numPixels(); i = i + every) {
strip.setPixelColor(numToSpiralPos(i + qp), 0); //turn every "every" pixel off
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}
strip.show();
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}
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bool effectHandler(const HomieRange& range, const String& value) {
Homie.getLogger() << "-> " << value << endl;
int sep = value.indexOf("|");
String command = value.substring(0, sep);
String parameters = value.substring(sep + 1);
Homie.getLogger() << "command=" << command << " parameters=" << parameters << endl;
if (command.equals("fill")) {
effect = EFFECT_NONE;
led_fill(parseColor(parameters));
} else if (command.equals("off")) {
effect = EFFECT_NONE;
led_fill(strip.Color(0, 0, 0));
} else if (command.equals("random")) {
effect = EFFECT_NONE;
led_random();
} else if (command.equals("set")) { //example: set|37#ff003a
effect = EFFECT_NONE;
int x = parameters.substring(0, 1).toInt();
int y = parameters.substring(1, 2).toInt();
String cstr = parameters.substring(2, 9);
strip.setPixelColor(xyToPos(x, y), parseColor(cstr));
strip.show();
} else if (command.equals("smooth")) { //example: smooth|[wheelspeed]|[smoothing]|[strength] wheelspeed=1-255, smoothing=0-100, strength=1-255
int sepparam = parameters.indexOf("|");
int p1 = parameters.substring(0, sepparam).toInt();
String parameters_part2 = parameters.substring(sepparam + 1);
sepparam = parameters_part2.indexOf("|");
int p2 = parameters_part2.substring(0, sepparam).toInt();
int p3 = parameters_part2.substring(sepparam + 1).toInt();
wheelSpeed = 16; //default, speed=+1 /frame
if (p1 > 0) {
wheelSpeed = p1;
}
smoothing = 80;
if (p2 > 0) {
smoothing = p2;
}
strength = 50;
if (p3 > 0) {
strength = p3;
}
Homie.getLogger() << "-- p1=" << p1 << " p2=" << p2 << " p3=" << p3 << endl;
effect = EFFECT_SMOOTH;
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bufferClear();
showBuffer();
strip.show();
} else if (command.equals("spiral")) {
effect = EFFECT_SPIRAL;
Index = 0;
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bufferClear();
showBuffer();
strip.show();
} else if (command.equals("clearbuffer")) {
bufferClear();
showBuffer();
strip.show();
} else if (command.equals("randomfade")) { //example: randomfade|5
int sepparam = parameters.indexOf("|");
int p1 = parameters.substring(0, sepparam).toInt();
fadespeedmax = 5;
if (p1 > 0) {
fadespeedmax = p1;
}
effect = EFFECT_RANDOMFADE;
set_randomBuffer(); //initialize random
} else if (command.equals("randombuffer")) {
set_randomBuffer(); //set random
showBuffer();
} else if (command.equals("chase")) {
effect = EFFECT_CHASE;
bufferClear();
showBuffer();
strip.show();
} else if (command.equals("radar")) {
effect = EFFECT_RADAR;
Index = 0;
bufferClear();
showBuffer();
strip.show();
} else if (command.equals("larson")) {
effect = EFFECT_LARSON;
Index = 0;
bufferClear();
showBuffer();
strip.show();
}
return true;
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}
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bool pixelsHandler(const HomieRange& range, const String& value) {
String remaining = value;
int i = 0;
effect = EFFECT_NONE;
do {
String current = remaining.substring(0, 7);
Homie.getLogger() << i << ":" << current << endl;
uint32_t currentcolor = parseColor(current);
strip.setPixelColor(i, currentcolor);
i++;
remaining = remaining.substring(7);
} while (remaining.length() > 2 && (i < strip.numPixels()));
Homie.getLogger() << " filling rest with black" << endl;
while (i < strip.numPixels()) {
strip.setPixelColor(numToPos(i), strip.Color(0, 0, 0));
i++;
}
strip.show();
return true;
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}
*/