406 lines
11 KiB
C++
406 lines
11 KiB
C++
//
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// Copyright (c) 2015-2017 jackw01
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// This code is distrubuted under the MIT License, see LICENSE for details
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//
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#include <FastLED.h>
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#include <Wire.h>
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#include <EEPROM.h>
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#include "RTClib.h"
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//
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// Adjust these variables to taste
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//
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// Pin Assignments
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const int pinLeds = 3;
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const int pinButton = 4;
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const int pinBrightness = 0;
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const int neoPixelRingSize = 24; // Number of NeoPixels in ring
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// Default colors
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CRGB red = CRGB(255, 25, 0);
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CRGB orange = CRGB(255, 78, 0);
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CRGB yellow = CRGB(255, 237, 0);
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CRGB green = CRGB(0, 255, 23);
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CRGB cyan = CRGB(0, 247, 255);
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CRGB blue = CRGB(0, 21, 255);
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CRGB magenta = CRGB(190, 0, 255);
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CRGB white = CRGB(255, 255, 255);
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CRGB off = CRGB(0, 0, 0);
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// Clock face colors
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// red, orange, yellow, green, cyan, blue, magenta, and white are acceptable, along with CRGB(r, g, b)
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const int colorSchemeMax = 6;
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const CRGB colorSchemes[colorSchemeMax + 1][4] = {{off, // Color when only one is needed (deprecated)
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red, // Color for hour display
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green, // Color for minute display
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blue}, // Color for second display
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{CRGB(0, 0, 0), CRGB(255, 255, 255), CRGB(255, 255, 255), CRGB(0, 130, 255)},
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{CRGB(0, 0, 0), CRGB(255, 255, 255), CRGB(255, 255, 255), CRGB(255, 25, 0)},
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{CRGB(0, 0, 0), CRGB(64, 0, 128), CRGB(255, 72, 0), CRGB(255, 164, 0)},
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{CRGB(0, 0, 0), CRGB(255, 25, 0), CRGB(255, 164, 0), CRGB(255, 224, 0)},
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{CRGB(0, 0, 0), CRGB(0, 0, 255), CRGB(0, 164, 255), CRGB(0, 224, 255)},
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{CRGB(0, 0, 0), CRGB(255, 72, 0), CRGB(255, 164, 0), CRGB(0, 255, 164)}};
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const int gradientMax = 1;
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const CRGB gradients[gradientMax + 1][6] = {{CRGB(72, 0, 96), CRGB(255, 72, 0), CRGB(255, 164, 0), CRGB(255, 224, 0), CRGB(0, 255, 164), CRGB(0, 208, 255)},
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{CRGB(72, 0, 96), CRGB(255, 72, 0), CRGB(255, 164, 0), CRGB(255, 224, 0), CRGB(0, 255, 164), CRGB(0, 208, 255)}};
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// Setup ends
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// Code starts here
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const uint8_t PROGMEM gamma[] = {
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2,
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2, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 5, 5, 5,
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5, 6, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 9, 9, 9, 10,
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10, 10, 11, 11, 11, 12, 12, 13, 13, 13, 14, 14, 15, 15, 16, 16,
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17, 17, 18, 18, 19, 19, 20, 20, 21, 21, 22, 22, 23, 24, 24, 25,
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25, 26, 27, 27, 28, 29, 29, 30, 31, 32, 32, 33, 34, 35, 35, 36,
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37, 38, 39, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 50,
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51, 52, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 66, 67, 68,
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69, 70, 72, 73, 74, 75, 77, 78, 79, 81, 82, 83, 85, 86, 87, 89,
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90, 92, 93, 95, 96, 98, 99,101,102,104,105,107,109,110,112,114,
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115,117,119,120,122,124,126,127,129,131,133,135,137,138,140,142,
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144,146,148,150,152,154,156,158,160,162,164,167,169,171,173,175,
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177,180,182,184,186,189,191,193,196,198,200,203,205,208,210,213,
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215,218,220,223,225,228,231,233,236,239,241,244,247,249,252,255 };
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CRGB leds[neoPixelRingSize];
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RTC_DS1307 rtc;
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int clockMode, colorScheme, gradient;
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int clockModeMax = 5;
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int buttonState = 0;
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const int minBrightness = 3;
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int counter = 0;
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int timer = 0;
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CRGB handColor, hourColor, minuteColor, secondColor;
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void setup() {
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Serial.begin(115200);
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// Init FastLED
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FastLED.addLeds<NEOPIXEL, pinLeds>(leds, neoPixelRingSize);
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//FastLED.setCorrection(TypicalSMD5050);
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FastLED.setTemperature(Halogen);
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FastLED.show();
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Wire.begin();
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rtc.begin();
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pinMode(pinButton, INPUT);
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colorScheme = EEPROM.read(0);
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clockMode = EEPROM.read(1);
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gradient = 0;
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handColor = colorSchemes[colorScheme][0];
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hourColor = colorSchemes[colorScheme][1];
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minuteColor = colorSchemes[colorScheme][2];
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secondColor = colorSchemes[colorScheme][3];
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}
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void loop() {
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if (digitalRead(pinButton) == LOW && counter >= 14) {
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counter = 0;
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delay(280);
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if (digitalRead(pinButton) == LOW) {
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counter = 0;
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colorScheme ++;
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if (colorScheme > colorSchemeMax) colorScheme = 0;
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EEPROM.write(0, colorScheme);
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handColor = colorSchemes[colorScheme][0];
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hourColor = colorSchemes[colorScheme][1];
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minuteColor = colorSchemes[colorScheme][2];
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secondColor = colorSchemes[colorScheme][3];
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} else {
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clockMode ++;
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if (clockMode > clockModeMax) clockMode = 0;
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EEPROM.write(1, clockMode);
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}
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}
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showClock();
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delay(20);
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counter ++;
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if (counter > 40) counter = 40;
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timer ++;
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if (timer > 255) timer = 0;
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}
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void showClock() {
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int brightnessPotValue = map(analogRead(pinBrightness), 0, 1023, minBrightness, 255);
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FastLED.setBrightness(brightnessPotValue);
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if (clockMode == 0) ringClock();
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else if (clockMode == 1) dotClock();
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else if (clockMode == 2) rainbowDotClock();
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else if (clockMode == 3) timeColorClock();
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else if (clockMode == 4) glowClock();
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else if (clockMode == 5) gradientHandsClock();
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}
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// Show a ring clock
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void ringClock() {
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clearLeds();
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DateTime now = rtc.now();
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int newHour;
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int newMinute;
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int newSecond;
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int hour;
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if (now.hour() > 12) hour = (now.hour() - 12) * (neoPixelRingSize / 12);
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else hour = now.hour() * (neoPixelRingSize / 12);
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newHour = hour + int(map(now.minute(), 0, 59, 0, (neoPixelRingSize / 12) - 1));
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newMinute = int(map(now.minute(), 0, 59, 0, neoPixelRingSize - 1));
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newSecond = int(map(now.second(), 0, 59, 0, neoPixelRingSize - 1));
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if (newMinute > newHour) {
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for (int i = 0; i < newMinute; i++) leds[i] = minuteColor;
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for (int i = 0; i < newHour; i++) leds[i] = hourColor;
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} else {
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for (int i = 0; i < newHour; i++) leds[i] = hourColor;
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for (int i = 0; i < newMinute; i++) leds[i] = minuteColor;
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}
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leds[newSecond] = secondColor;
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FastLED.show();
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}
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// Show a more traditional dot clock
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void dotClock() {
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clearLeds();
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DateTime now = rtc.now();
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int newHour;
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int newMinute;
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int newSecond;
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int hour;
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if (now.hour() > 12) hour = (now.hour() - 12) * (neoPixelRingSize / 12);
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else hour = now.hour() * (neoPixelRingSize / 12);
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newHour = hour + int(map(now.minute(), 0, 59, 0, (neoPixelRingSize / 12) - 1));
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newMinute = int(map(now.minute(), 0, 59, 0, neoPixelRingSize - 1));
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newSecond = int(map(now.second(), 0, 59, 0, neoPixelRingSize - 1));
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for (int i = newHour - 1; i < newHour + 2; i++) leds[wrap(i)] = hourColor;
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leds[newMinute] = minuteColor;
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leds[newSecond] = secondColor;
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FastLED.show();
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}
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// Show a dot clock with hands that change color based on their position
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void rainbowDotClock() {
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clearLeds();
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DateTime now = rtc.now();
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int newHour;
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int newMinute;
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int newSecond;
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int hour;
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if (now.hour() > 12) hour = (now.hour() - 12) * (neoPixelRingSize / 12);
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else hour = now.hour() * (neoPixelRingSize / 12);
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newHour = hour + int(map(now.minute(), 0, 59, 0, (neoPixelRingSize / 12) - 1));
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newMinute = int(map(now.minute(), 0, 59, 0, neoPixelRingSize - 1));
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newSecond = int(map(now.second(), 0, 59, 0, neoPixelRingSize - 1));
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CRGB newHourColor = Wheel(int(map(newHour, 0, 12, 0, 255)));
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CRGB newMinuteColor = Wheel(int(map(now.minute(), 0, 59, 0, 255)));
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CRGB newSecondColor = Wheel(int(map(now.second(), 0, 59, 0, 255)));
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for (int i = newHour - 1; i < newHour + 2; i++) leds[wrap(i)] = newHourColor;
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leds[newMinute] = newMinuteColor;
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leds[newSecond] = newSecondColor;
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FastLED.show();
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}
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// Show a dot clock where the color is based on the time
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void timeColorClock() {
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clearLeds();
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DateTime now = rtc.now();
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int newHour;
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int newMinute;
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int newSecond;
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int decimalHour;
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int hour;
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if (now.hour() > 12) hour = (now.hour() - 12) * (neoPixelRingSize / 12);
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else hour = now.hour() * (neoPixelRingSize / 12);
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newHour = hour + int(map(now.minute(), 0, 59, 0, (neoPixelRingSize / 12) - 1));
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newMinute = int(map(now.minute(), 0, 59, 0, neoPixelRingSize - 1));
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newSecond = int(map(now.second(), 0, 59, 0, neoPixelRingSize - 1));
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decimalHour = now.hour() + map(now.minute() + map(now.second(), 0, 59, 0, 1), 0, 59, 0, 1);
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CRGB pixelColor = Wheel(map((20 - decimalHour) % 24, 0, 24, 0, 255));
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for (int i = newHour - 1; i < newHour + 2; i++) leds[wrap(i)] = pixelColor;
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leds[newMinute] = pixelColor;
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leds[newSecond] = pixelColor;
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FastLED.show();
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}
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// Show a dot clock where the hands overlap with additive blending
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void glowClock() {
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clearLeds();
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DateTime now = rtc.now();
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int newHour;
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int newMinute;
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int newSecond;
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int hour;
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if (now.hour() > 12) hour = (now.hour() - 12) * (neoPixelRingSize / 12);
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else hour = now.hour() * (neoPixelRingSize / 12);
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newHour = hour + int(map(now.minute(), 0, 59, 0, (neoPixelRingSize / 12) - 1));
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newMinute = int(map(now.minute(), 0, 59, 0, neoPixelRingSize - 1));
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newSecond = int(map(now.second(), 0, 59, 0, neoPixelRingSize - 1));
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for (int i = -6; i < neoPixelRingSize + 6; i++) {
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int j;
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for (j = 0; j <= 4; j++) {
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if (newHour + j == i || newHour - j == i) blendAdd(wrap(i), CRGB(255, 0, 0), 1 - mapFloat(j, 0, 6, 0.1, 0.99));
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}
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for (j = 0; j <= 2; j++) {
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if (newMinute + j == i || newMinute - j == i) blendAdd(wrap(i), CRGB(0, 255, 0), 1 - mapFloat(j, 0, 3, 0.1, 0.99));
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}
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for (j = 0; j <= 1; j++) {
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if (newSecond + j == i || newSecond - j == i) blendAdd(wrap(i), CRGB(0, 0, 255), 1 - mapFloat(j, 0, 1, 0.1, 0.65));
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}
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}
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FastLED.show();
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}
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// Show a clock with gradient colored hands
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void gradientHandsClock() {
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clearLeds();
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DateTime now = rtc.now();
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int newHour;
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int newMinute;
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int newSecond;
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int hour;
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if (now.hour() > 12) hour = (now.hour() - 12) * (neoPixelRingSize / 12);
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else hour = now.hour() * (neoPixelRingSize / 12);
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newHour = hour + int(map(now.minute(), 0, 59, 0, (neoPixelRingSize / 12) - 1));
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newMinute = int(map(now.minute(), 0, 59, 0, neoPixelRingSize - 1));
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newSecond = int(map(now.second(), 0, 59, 0, neoPixelRingSize - 1));
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for (int i = 0; i < 6; i++) blendAdd(wrap(i + (newHour - 1)), gradients[gradient][i], 0.8);
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for (int i = 0; i < 4; i++) blendAdd(wrap(i + (newMinute - 1)), gradients[gradient][i + 2], 0.9);
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for (int i = 0; i < 2; i++) blendAdd(wrap(i + (newSecond - 1)), gradients[gradient][i + 4], 1);
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FastLED.show();
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}
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void clearLeds() {
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for (int i = 0; i < neoPixelRingSize; i++) leds[i] = CRGB(0, 0, 0);
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}
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// Enhanced additive blending
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void blendAdd(int position, CRGB color, double brightness) {
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leds[position].r += color.r * brightness;
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leds[position].g += color.g * brightness;
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leds[position].b += color.b * brightness;
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}
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// Wrap around LED ring
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int wrap(int i) {
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if (i >= neoPixelRingSize) return i - neoPixelRingSize;
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else if (i < 0) return neoPixelRingSize + i;
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else return i;
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}
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// Because Arduino does not
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float mapFloat(float x, float in_min, float in_max, float out_min, float out_max) {
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return (x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;
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}
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// Input a value 0 to 255 to get a color value.
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// The colours are a transition r - g - b - back to r.
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CRGB Wheel(byte WheelPos) {
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WheelPos = 255 - WheelPos;
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if (WheelPos < 85) return CRGB(255 - WheelPos * 3, 0, WheelPos * 3);
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else if (WheelPos < 170) {
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WheelPos -= 85;
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return CRGB(0, WheelPos * 3, 255 - WheelPos * 3);
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} else {
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WheelPos -= 170;
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return CRGB(WheelPos * 3, 255 - WheelPos * 3, 0);
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}
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}
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