113 lines
2.3 KiB
C++
113 lines
2.3 KiB
C++
#include <Adafruit_NeoPixel.h>
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#define PIN 6
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#define NUMPIXELS 37
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Adafruit_NeoPixel pixels = Adafruit_NeoPixel(NUMPIXELS, PIN, NEO_GRB + NEO_KHZ800);
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int delayval = 16;
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bool off = false;
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int brightness = 255;
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int hue = 168;
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int mode = 1;
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int counter = 0;
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uint32_t Wheel(byte WheelPos) {
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WheelPos = 255 - WheelPos;
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if(WheelPos < 85) {
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return pixels.Color((255 - WheelPos * 3) * brightness / 255, 0, WheelPos * 3 * brightness / 255);
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}
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if(WheelPos < 170) {
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WheelPos -= 85;
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return pixels.Color(0, WheelPos * 3 * brightness / 255, (255 - WheelPos * 3) * brightness / 255);
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}
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WheelPos -= 170;
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return pixels.Color(WheelPos * 3 * brightness / 255, (255 - WheelPos * 3) * brightness / 255, 0);
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}
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void setup() {
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Serial.begin(9600);
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pixels.begin();
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}
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void loop() {
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if (off) {
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for (int i = 0; i < NUMPIXELS; i++){
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pixels.setPixelColor(i, pixels.Color(0,0,0));
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}
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pixels.show();
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}
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else {
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if (mode == 1) {
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for (int i = 0; i < NUMPIXELS; i++){
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pixels.setPixelColor(i, pixels.Color(0,0,brightness));
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}
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pixels.show();
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}
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else if (mode == 2) {
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for (int i = 0; i < NUMPIXELS; i++){
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pixels.setPixelColor(i, Wheel((i * 2 + counter / 2) % 256));
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}
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pixels.show();
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}
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else if (mode == 3) {
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for (int i = 0; i < NUMPIXELS; i++){
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pixels.setPixelColor(i, Wheel(hue % 256));
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}
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pixels.show();
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}
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counter++;
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}
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delay(delayval);
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while (Serial.available() > 0) {
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int command = Serial.parseInt();
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int value = Serial.parseInt();
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if (Serial.read() == '\n') {
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Serial.print("Command: ");
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Serial.println(command);
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Serial.print("Value: ");
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Serial.println(value);
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switch (command) {
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case 0:
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off = (value == 0);
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break;
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case 1:
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brightness = constrain(value, 0, 255);
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Serial.print("Brightness: ");
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Serial.println(brightness);
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break;
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case 2:
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mode = constrain(value, 1, 3);
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Serial.print("Mode: ");
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Serial.println(brightness);
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break;
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case 3:
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hue = constrain(value, 0, 255);
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Serial.print("Hue: ");
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Serial.println(hue);
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break;
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}
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}
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}
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}
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