esp-pixelprojektor/pixelprojektor/pixelprojektor.ino

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Arduino
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#include <Homie.h>
// homie lib from: https://github.com/marvinroger/homie-esp8266/
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#include <Adafruit_NeoPixel.h>
#ifdef __AVR__
#include <avr/power.h>
#endif
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#define PIN 2 //data pin for ws2812
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Adafruit_NeoPixel strip = Adafruit_NeoPixel(64, PIN, NEO_GRB + NEO_KHZ800);
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HomieNode homieNode("pixel", "commands");
void led_fill(uint32_t c)
{
for (int i=0; i < strip.numPixels(); i++) {
strip.setPixelColor(i, c); //turn every third pixel on
}
strip.show();
}
bool effectHandler(const HomieRange& range, const String& value) {
int sep = value.indexOf("|");
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Homie.getLogger() << "-> " << value << endl;
//Serial.print("->"); Serial.println(value);
if (value.charAt(0)=='#'){ //solid fill
String color=value.substring(1);
int number = (int) strtol( &color[0], NULL, 16);
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// Split them up into r, g, b values
int r = number >> 16;
int g = number >> 8 & 0xFF;
int b = number & 0xFF;
Homie.getLogger() << "r=" << r << " g=" << g << " b=" << b << endl;
//Serial.print("r=");Serial.print(r);
//Serial.print(" g=");Serial.print(g);
//Serial.print(" b=");Serial.println(b);
led_fill(strip.Color(r, g, b));
}
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return true;
}
bool pixelsHandler(const HomieRange& range, const String& value) {
int sep = value.indexOf("|");
if(sep > 0) {
//Homie.getLogger() << "scroll " << value << " wait " << wait << endl;
} else {
//Homie.getLogger() << "scroll " << value << endl;
}
return true;
}
void setup() {
Serial.begin(115200);
Serial << endl << endl;
Homie_setFirmware("pixelprojektor", "1.0.0");
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homieNode.advertise("effect").settable(effectHandler);
homieNode.advertise("pixels").settable(pixelsHandler);
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strip.begin();
strip.show(); // Initialize all pixels to 'off'
led_fill(strip.Color(0, 0, 0));
Homie.setup();
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}
void loop() {
Homie.loop();
long currentMillis = millis();
}
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