Initial Commit

.gitignore

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+.pio
+.vscode/.browse.c_cpp.db*
+.vscode/c_cpp_properties.json
+.vscode/launch.json
+.vscode/ipch

.vscode/extensions.json

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+{
+    // See http://go.microsoft.com/fwlink/?LinkId=827846
+    // for the documentation about the extensions.json format
+    "recommendations": [
+        "platformio.platformio-ide"
+    ],
+    "unwantedRecommendations": [
+        "ms-vscode.cpptools-extension-pack"
+    ]
+}

diagram.json

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+{
+  "version": 1,
+  "author": "Uri Shaked",
+  "editor": "wokwi",
+  "parts": [
+    {
+      "id": "uno",
+      "type": "wokwi-arduino-uno",
+      "top": 45,
+      "left": 375
+    },
+    {
+      "id": "neopixels",
+      "type": "wokwi-neopixel-canvas",
+      "top": 0,
+      "left": 0,
+      "attrs": {
+        "rows": "1",
+        "cols": "42",
+        "matrixBrightness": "10"
+      }
+    }
+  ],
+  "connections": [
+    ["uno:GND.1", "neopixels:VSS", "black", ["v0", "*", "v16"]],
+    ["uno:6", "neopixels:DIN", "green", ["v-16", "*", "v8"]],
+    ["uno:5V", "neopixels:VDD", "red", ["v20", "h-95", "*", "v8"]]
+  ]
+}

include/Alternate.h

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+#ifndef ALTERNATE
+#define ALTERNATE
+
+#include "Animation.h"
+#include "GlobalSettings.h"
+#include "Utilities.h"
+#include <FastLED.h>
+
+class Alternate : public Animation {
+    public:
+        Alternate(long _updateTime, uint16_t _alternateSize, CRGB* _colors, uint8_t _numColors) :
+            Animation(_updateTime, 10 * _numColors), numColors(_numColors), colors(new CRGB[_numColors]), 
+            alternateInt(0), alternateSize(_alternateSize) {
+                for(uint8_t i = 0; i < _numColors; i++) {
+                    colors[i] = _colors[i];
+                }
+            }
+
+        void initialize(CRGB* leds) {
+            alternateInt = 0;
+            resetTimer();
+
+            Utilities::setAll(leds, NUMLEDS, CRGB::Black);
+        }
+
+        void execute(CRGB* leds);
+    private:
+        uint16_t 
+            alternateInt,
+            alternateSize;
+        CRGB*
+            colors;
+        uint8_t
+            numColors;
+
+};
+
+#endif

include/Animation.h

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+#ifndef ANIMATION
+#define ANIMATION
+
+#include <FastLED.h>
+#include <elapsedMillis.h>
+#include "Utilities.h"
+
+class Animation {
+    public: 
+        Animation(long _updateTime, uint16_t _finishedAfterCycles) : updateTime(_updateTime), 
+            finishedAfterCycles(_finishedAfterCycles), cycles(0), enabled(false), 
+            initialized(false), timer(0) {}
+
+        virtual void initialize(CRGB* leds) {
+
+        }
+        virtual void execute(CRGB* leds) {}
+        virtual bool isFinished() {
+            return cycles > finishedAfterCycles;
+        }
+
+        void update(CRGB* leds) {
+            if(enabled) {
+                if(timer >= updateTime) {
+                    if(!initialized) {
+                        initialize(leds);
+                        cycles = 0;
+                        initialized = true;
+                    }
+
+                    if(!isFinished()) {
+                        execute(leds);
+                    }
+
+                    resetTimer();
+                }
+            }
+        }
+
+        void enable() {
+            enabled = true;
+        }
+
+        void disable() {
+            enabled = false;
+        }
+
+        void reinitialize() {
+            initialized = false;
+        }
+
+        bool isEnabled() {
+            return enabled;
+        }
+
+    protected:
+        void resetTimer() {
+            timer = 0;
+        }
+
+        void cycleCompleted() {
+            cycles = cycles += 1;
+        }
+
+    private:
+        long
+            updateTime;
+        uint16_t
+            cycles,
+            finishedAfterCycles;
+        bool
+            enabled,
+            initialized;
+        elapsedMillis
+            timer;
+};
+
+#endif

include/Collision.h

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+#ifndef COLLISION_H
+#define COLLISION_H
+
+#include "Animation.h"
+#include "Utilities.h"
+#include "GlobalSettings.h"
+
+class Collision : public Animation {
+    public:
+        Collision(long _updateTime, CRGB _color1, CRGB _color2) :
+            Animation(_updateTime, 10), color1(_color1), color2(_color2) {}
+
+        void initialize(CRGB* leds) {
+            collisionInt = 0;
+            resetTimer();
+        }
+
+        void execute(CRGB* leds);
+
+    private:
+        uint16_t
+            collisionInt;
+        CRGB
+            color1,
+            color2;
+};
+
+#endif

include/CycleLight.h

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+#ifndef CYCLELIGHT_H
+#define CYCLELIGHT_H
+
+#include "Animation.h"
+#include "GlobalSettings.h"
+#include "Utilities.h"
+
+class CycleLight : public Animation {
+    public:
+        CycleLight(long _updateTime, CRGB* _colors, uint8_t _numColors) :
+            Animation(_updateTime, 3 * _numColors), colors(new CRGB[_numColors]),
+            numColors(_numColors), cycleLightInt(0), cycleLightColor(0) {
+                for(uint8_t i = 0; i < _numColors; i++) {
+                    colors[i] = _colors[i];
+                }
+            }
+
+        void initialize(CRGB* leds) {
+            cycleLightInt = 0;
+            cycleLightColor = 0;
+
+            resetTimer();
+        }
+
+        void execute(CRGB* leds);
+    private:
+        uint16_t
+            cycleLightInt,
+            cycleLightColor;
+        CRGB*
+            colors;
+        uint8_t
+            numColors;
+};
+
+#endif

include/FluidColor.h

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+#ifndef FLUIDCOLOR_H
+#define FLUIDCOLOR_H
+
+#include "Animation.h"
+#include "GlobalSettings.h"
+#include "Utilities.h"
+
+class FluidColor : public Animation {
+    public:
+        FluidColor(long _updateTime) : Animation(_updateTime, 15),
+            colorShifter(0), colors(new CRGB[256]) {
+                for(uint16_t i = 0; i < 256; i++) {
+                    colors[i] = CRGB(CHSV(i, 255, 255));
+                }
+
+            }
+
+        void initialize(CRGB* leds) {
+            colorShifter = 0;
+            resetTimer();
+        }
+
+        void execute(CRGB* leds);
+    private:
+        uint16_t 
+            colorShifter;
+        CRGB*
+            colors;
+
+};
+
+#endif

include/GlobalSettings.h

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+#define OUTPUT_PIN 6
+#define NUMLEDS 42

include/README

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+
+This directory is intended for project header files.
+
+A header file is a file containing C declarations and macro definitions
+to be shared between several project source files. You request the use of a
+header file in your project source file (C, C++, etc) located in `src` folder
+by including it, with the C preprocessing directive `#include'.
+
+```src/main.c
+
+#include "header.h"
+
+int main (void)
+{
+ ...
+}
+```
+
+Including a header file produces the same results as copying the header file
+into each source file that needs it. Such copying would be time-consuming
+and error-prone. With a header file, the related declarations appear
+in only one place. If they need to be changed, they can be changed in one
+place, and programs that include the header file will automatically use the
+new version when next recompiled. The header file eliminates the labor of
+finding and changing all the copies as well as the risk that a failure to
+find one copy will result in inconsistencies within a program.
+
+In C, the convention is to give header files names that end with `.h'.
+
+Read more about using header files in official GCC documentation:
+
+* Include Syntax
+* Include Operation
+* Once-Only Headers
+* Computed Includes
+
+https://gcc.gnu.org/onlinedocs/cpp/Header-Files.html

include/Utilities.h

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+#ifndef UTILITIES
+#define UTILITIES
+
+#include <Arduino.h>
+#include <FastLED.h>
+
+class Utilities {
+    public:
+        static void setRange(CRGB* leds, uint16_t start, uint16_t end, CRGB color) {
+            for(uint16_t i = start; i < end; i++) {
+                leds[i] = color;
+            }
+        }
+
+        static void setAll(CRGB* leds, uint16_t numLEDs, CRGB color) {
+            setRange(leds, 0, numLEDs, color);
+        }
+};
+
+#endif

lib/README

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+
+This directory is intended for project specific (private) libraries.
+PlatformIO will compile them to static libraries and link into the executable file.
+
+The source code of each library should be placed in a separate directory
+("lib/your_library_name/[Code]").
+
+For example, see the structure of the following example libraries `Foo` and `Bar`:
+
+|--lib
+|  |
+|  |--Bar
+|  |  |--docs
+|  |  |--examples
+|  |  |--src
+|  |     |- Bar.c
+|  |     |- Bar.h
+|  |  |- library.json (optional. for custom build options, etc) https://docs.platformio.org/page/librarymanager/config.html
+|  |
+|  |--Foo
+|  |  |- Foo.c
+|  |  |- Foo.h
+|  |
+|  |- README --> THIS FILE
+|
+|- platformio.ini
+|--src
+   |- main.c
+
+Example contents of `src/main.c` using Foo and Bar:
+```
+#include <Foo.h>
+#include <Bar.h>
+
+int main (void)
+{
+  ...
+}
+
+```
+
+The PlatformIO Library Dependency Finder will find automatically dependent
+libraries by scanning project source files.
+
+More information about PlatformIO Library Dependency Finder
+- https://docs.platformio.org/page/librarymanager/ldf.html

platformio.ini

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+; PlatformIO Project Configuration File
+;
+;   Build options: build flags, source filter
+;   Upload options: custom upload port, speed and extra flags
+;   Library options: dependencies, extra library storages
+;   Advanced options: extra scripting
+;
+; Please visit documentation for the other options and examples
+; https://docs.platformio.org/page/projectconf.html
+
+[env:uno]
+platform = atmelavr
+board = uno
+framework = arduino
+lib_deps = 
+	fastled/FastLED@^3.10.3
+	pfeerick/elapsedMillis@^1.0.6

src/Alternate.cpp

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+#include "Alternate.h"
+
+void Alternate::execute(CRGB* leds) {
+    for(uint16_t i = 0; i < NUMLEDS; i += alternateSize) {
+        Utilities::setRange(leds, i, min(i + alternateSize, NUMLEDS), colors[((i / alternateSize) + alternateInt) % numColors]);
+    }
+
+    alternateInt++;
+    cycleCompleted();
+}

src/Collision.cpp

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+#include "Collision.h"
+
+void Collision::execute(CRGB* leds) {
+    if(collisionInt == 0) {
+        Utilities::setAll(leds, NUMLEDS, CRGB::Black);
+    }
+
+    leds[collisionInt] = color1;
+    leds[NUMLEDS - collisionInt - 1] = color2;
+
+    collisionInt++;
+
+    if(collisionInt >= NUMLEDS) {
+        collisionInt = 0;
+        cycleCompleted();
+    }
+}

src/CycleLight.cpp

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+#include "CycleLight.h"
+
+void CycleLight::execute(CRGB* leds) {
+    if(cycleLightInt == 0) {
+        Utilities::setAll(leds, NUMLEDS, CRGB::Black);
+    }
+
+    leds[cycleLightInt] = colors[cycleLightColor % numColors];
+
+    cycleLightInt++;
+
+    if(cycleLightInt >= NUMLEDS) {
+        cycleLightInt = 0;
+        cycleLightColor++;
+
+        if(cycleLightColor % numColors == 0) {
+            cycleCompleted();
+        }
+    }
+}

src/FluidColor.cpp

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+#include "FluidColor.h"
+
+void FluidColor::execute(CRGB* leds) {
+    for(uint16_t i = 0; i < NUMLEDS; i++) {
+        leds[i] = colors[(i + colorShifter) % 256];
+    }
+
+    colorShifter++;
+
+    if(colorShifter % 256 == 0) {
+        cycleCompleted();
+    }
+}

src/main.cpp

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+#include <Arduino.h>
+#include <FastLED.h>
+#include "GlobalSettings.h"
+#include "Alternate.h"
+#include "Collision.h"
+#include "FluidColor.h"
+#include "CycleLight.h"
+
+#if defined(ARDUINO_SAMD_ZERO) && defined(SERIAL_PORT_USBVIRTUAL)
+  // Required for Serial on Zero based boards
+  #define Serial SERIAL_PORT_USBVIRTUAL
+#endif
+
+void clearAll();
+
+CRGB leds[NUMLEDS];
+
+CRGB teamColors[] = {CRGB::Orange, CRGB::Green};
+
+uint8_t currentMode = 0; 
+
+Alternate alternateTeamColors(200, 2, teamColors, 2);
+Collision collisionTeamColors(100, CRGB::Orange, CRGB::Green);
+FluidColor fluidColor(30);
+CycleLight cycleLightTeamColors(150, teamColors, 2);
+
+void setup() {
+  Serial.begin(9600);
+  while(!Serial) { delay(1);  }
+
+  Serial.println(F("HELLO!"));
+  FastLED.setMaxPowerInMilliWatts(400);
+
+  FastLED.addLeds<NEOPIXEL, OUTPUT_PIN>(leds, NUMLEDS);
+
+  alternateTeamColors.enable();
+  collisionTeamColors.enable();
+  fluidColor.enable();
+  cycleLightTeamColors.enable();
+}
+
+void loop() {
+  cycleLightTeamColors.update(leds);
+
+  FastLED.show();
+
+  delayMicroseconds(500);
+}
+
+/*void loop() {
+  if(currentMode == 0) {
+    alternateTeamColors.update(leds);
+
+    if(alternateTeamColors.isFinished()) {
+      currentMode++;
+      collisionTeamColors.reinitialize();
+    }
+  } else if(currentMode == 1) {
+    collisionTeamColors.update(leds);
+
+    if(collisionTeamColors.isFinished()) {
+      currentMode = 2;
+      fluidColor.reinitialize();
+    }
+  } else if(currentMode == 2) {
+    fluidColor.update(leds);
+
+    if(fluidColor.isFinished()) {
+      currentMode = 3;
+      cycleLightTeamColors.reinitialize();
+    }
+  } else if(currentMode == 3) {
+    cycleLightTeamColors.update(leds);
+
+    if(cycleLightTeamColors.isFinished()) {
+      currentMode = 0;
+      alternateTeamColors.reinitialize();
+    }
+  }
+
+  FastLED.show();
+  delayMicroseconds(500);
+}*/
+

test/README

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+
+This directory is intended for PlatformIO Test Runner and project tests.
+
+Unit Testing is a software testing method by which individual units of
+source code, sets of one or more MCU program modules together with associated
+control data, usage procedures, and operating procedures, are tested to
+determine whether they are fit for use. Unit testing finds problems early
+in the development cycle.
+
+More information about PlatformIO Unit Testing:
+- https://docs.platformio.org/en/latest/advanced/unit-testing/index.html

wokwi.toml

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+[wokwi]
+version = 1
+firmware = '.pio/build/uno/firmware.hex'
+elf = '.pio/build/uno/firmware.elf'