//Modern turn lights v.6.1.0 with arduino or attiny85 and ws2812b - individual strips easy to embed -  tail, reverse, brake  and turn signal - by Fedaceag Ionut ( Youtube - Think small, build big! )
#include <FastLED.h>                        //FastLed library version 3.2.1 - https://github.com/FastLED/FastLED/wiki/Overview or http://fastled.io/ with NEOPIXEL or WS2812B
#define NUM_LEDS_PER_STRIP 288            //number of leds per each strip
#define LED_PIN 2                           //LED Strip Signal Connection
#define ARRAY_SIZE(A) (sizeof(A) / sizeof((A)[0]))
const int rightArray[] = {230,231,232,233,234,235,236,237,238,239,240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255,256,257,258,
259,260,261,262,263,264,265,266,267,268,269,270,271,272,273,274,275,276,277,278,279,280,281,282,283,284,285,286,287,288};
const int leftArray[] = {58,57,56,55,54,53,52,51,50,49,48,47,46,45,44,43,42,41,40,39,38,37,36,35,34,33,32,31,30,29,28,27,26,25,24,23,22,21,20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0};
const int rightArraySize = ARRAY_SIZE(rightArray);
const int leftArraySize = ARRAY_SIZE(leftArray);
CRGB leds[NUM_LEDS_PER_STRIP]; 
 
unsigned long turnColor = 0xff6a00;         
unsigned long startupcolordim = 0x5a0000;
unsigned long startupcolorbright = 0xff0000;
unsigned long black = 0x000000;


//input pins for arduino
const int buttonPinTS = 6; 
const int buttonPinTSright = 12;                // turn signal pin for arduino
const int buttonPinTailLights = 13;         // night / tail lights for arduino
const int buttonPinBreak = 4;              // brake lights for arduino
const int buttonPinReverseLights = 5;      // reverse lights for arduino



int Startup = 0;
int TailLights = 0;
int ReverseLights = 0;
int Break = 0;
 
int TailState = 0;
int stateTS = 0;
int stateTSright = 0;
int stateTSRuns = 0;
int stateTSRunsright = 0;
int ReverseState = 0;
int BrakeState = 0;
int StartupState = 0;
int buttonStateTS = 0;
int buttonStateTSright = 0;
 
int maxBrtBreak = 254;                                         // maxim brightness Break lights - from 0 to 254
int maxBrtTailLights = 70;                                     // maxim brightness tail lights - from 0 to 254
int maxBrtReverseLights = 254; 
int tailLightModel[]= {1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,
145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239,240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255,256,257,258,
259,260,261,262,263,264,265,266,267,268,269,270,271,272,273,274,275,276,277,278,279,280,281,282,283,284,285,286,287,288}; 

int reverseLightModel[] = {20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45, 243,244,245,246,247,248,249,250,251,252,253,254,255,256,257,258,
259,260,261,262,263,264,265,266,267,268};  




int delayTurnLedAnim = 2;                                      //delay of each led in turn light animation
int delayTurnLedOff = 2;                                     //delay from animation to black (is used twice)
int delayLedToDayLight = 500;                                  // delay from animation to day light on
int nrAnimAfterOff = 3;                                        // number of animations for a single impulse
int StartupSpeed = 4;
 
unsigned long currentMillis = 0; 
unsigned long previousMillis = 0;
 
 
void setup()  {
  //Serial.begin(100200);
  FastLED.addLeds<WS2812, LED_PIN, GRB>(leds, NUM_LEDS_PER_STRIP);
  pinMode(buttonPinTS, INPUT);
  pinMode(buttonPinBreak, INPUT);
  pinMode(buttonPinTailLights, INPUT);
  pinMode(buttonPinReverseLights, INPUT);
  
 
 
     for (int i = 0; i < (NUM_LEDS_PER_STRIP/2); i++) {  //beggining of Startup Sweep loop
 
 
    leds[i] = startupcolordim;
    leds[i-1] = black;
    leds[(NUM_LEDS_PER_STRIP-1)-i] = startupcolordim;
    leds[(NUM_LEDS_PER_STRIP)-i] = black;
    FastLED.show();
    delay (StartupSpeed);    
  }
 
  for (int j = ((NUM_LEDS_PER_STRIP/2)-1); j >= 0; j--)
  {
    leds[j] = startupcolordim;
    leds[(NUM_LEDS_PER_STRIP/2-1)+((NUM_LEDS_PER_STRIP/2)-j)] = startupcolordim;
    FastLED.show();
    delay (StartupSpeed);    
  }
 
  for (int j = ((NUM_LEDS_PER_STRIP/2)-1); j >= 0; j--)
  {
    leds[j] = startupcolorbright;
    leds[(NUM_LEDS_PER_STRIP/2-1)+((NUM_LEDS_PER_STRIP)/2-j)] = startupcolorbright;
    FastLED.show();
    delay (StartupSpeed);    
  }
 
  for (int j = 255; j >= 60; j--)
  {  
    for (int i = 0; i < NUM_LEDS_PER_STRIP; i++)
    {
    leds[i] = CRGB(j, 0, 0);
    }
    FastLED.show();  
    delay (5);
  }
 
  //led strip front left for arduino
  //FastLED.addLeds<NEOPIXEL, 0>(leds[0], NUM_LEDS_PER_STRIP); //led strip front left for attiny85
 
  fill_solid(leds, NUM_LEDS_PER_STRIP, CRGB::Red); // some led strips are all on at power on, so let's power them off at boot
  FastLED.show();
 
 
 
}

void loop() {
    // read the input state
    buttonStateTS = digitalRead(buttonPinTS);
    buttonStateTSright = digitalRead(buttonPinTSright);
    if(buttonStateTS == HIGH){
      stateTS = 1;
    }

    if(buttonStateTSright == HIGH){
        stateTSright = 1;
    }
 
// turn signal function right
if(stateTS != 0){
 
    for(int dot = 0; dot < rightArraySize; dot++) {
 
        leds[leftArray[dot]] = turnColor;
 
        //delay(delayTurnLedAnim);
        currentMillis = previousMillis = millis();
        while(previousMillis + delayTurnLedAnim >= currentMillis){
          stateTSRuns = 1;
          TailAndBrake();
          FastLED.show();
          currentMillis = millis();
        }
 
    }
 
    //delay(delayTurnLedOff);       
    currentMillis = previousMillis = millis();
    while(previousMillis + delayTurnLedOff >= currentMillis){
      stateTSRuns = 1;
      TailAndBrake();
      FastLED.show();
      currentMillis = millis();
    }
 
    fill_solid(leds, NUM_LEDS_PER_STRIP, CRGB::Black);
    stateTSRuns = 1;
    TailAndBrake();
    FastLED.show();
 
    //delay(delayTurnLedOff);       
    currentMillis = previousMillis = millis();
    while(previousMillis + delayTurnLedOff >= currentMillis){
      stateTSRuns = 1;
      TailAndBrake();
      FastLED.show();
      currentMillis = millis();
    }
 
    buttonStateTS = digitalRead(buttonPinTS);
    if(buttonStateTS == HIGH){
      stateTS = 1;
    }
 
    stateTS++;
    if(stateTS >= nrAnimAfterOff && buttonStateTS != HIGH){
      stateTS = 0;
      //delay(delayLedToDayLight);           
      currentMillis = previousMillis = millis();
      while(previousMillis + delayLedToDayLight >= currentMillis){
        stateTSRuns = 1;
        TailAndBrake();
        FastLED.show();
        currentMillis = millis();
      }
    }
 
  }else{
 
    fill_solid(leds, NUM_LEDS_PER_STRIP, CRGB::Black);
 
    TailAndBrake();
    FastLED.show();
  }

   //RightTurnSignal
  if(stateTSright != 0){
 
    for(int dot = 0; dot < rightArraySize; dot++) {
 
        leds[rightArray[dot]] = turnColor;
 
        //delay(delayTurnLedAnim);
        currentMillis = previousMillis = millis();
        while(previousMillis + delayTurnLedAnim >= currentMillis){
          stateTSRuns = 1;
          TailAndBrake();
          FastLED.show();
          currentMillis = millis();
        }
 
    }
 
    //delay(delayTurnLedOff);       
    currentMillis = previousMillis = millis();
    while(previousMillis + delayTurnLedOff >= currentMillis){
      stateTSRunsright = 1;
      TailAndBrake();
      FastLED.show();
      currentMillis = millis();
    }
 
    fill_solid(leds, NUM_LEDS_PER_STRIP, CRGB::Black);
    stateTSRunsright = 1;
    TailAndBrake();
    FastLED.show();
 
    //delay(delayTurnLedOff);       
    currentMillis = previousMillis = millis();
    while(previousMillis + delayTurnLedOff >= currentMillis){
      stateTSRunsright = 1;
      TailAndBrake();
      FastLED.show();
      currentMillis = millis();
    }
 
    buttonStateTS = digitalRead(buttonPinTS);
    if(buttonStateTSright == HIGH){
      stateTSright = 1;
    }
 
    stateTSright++;
    if(stateTSright >= nrAnimAfterOff && buttonStateTSright != HIGH){
      stateTSright = 0;
      //delay(delayLedToDayLight);           
      currentMillis = previousMillis = millis();
      while(previousMillis + delayLedToDayLight >= currentMillis){
        stateTSRunsright = 1;
        TailAndBrake();
        FastLED.show();
        currentMillis = millis();
      }
    }
 
  }else{
 
    fill_solid(leds, NUM_LEDS_PER_STRIP, CRGB::Black);
 
    TailAndBrake();
    FastLED.show();
  }
}

 
 
//function for Brake lights, tail lights and reverse lights
void TailAndBrake(){
 
    Break = digitalRead(buttonPinBreak);
    TailLights = digitalRead(buttonPinTailLights);
    ReverseLights = digitalRead(buttonPinReverseLights);
    
 
    if(TailLights == HIGH && Break == LOW && stateTSRuns == 0){
 
      for(int i = 0; i <= sizeof(tailLightModel) / sizeof(tailLightModel[0]); i++){
        leds[tailLightModel[i]]=CHSV(0,254,maxBrtTailLights);
      }
 
    }else if(Break == HIGH && stateTSRuns == 0){
 
      fill_solid( leds, NUM_LEDS_PER_STRIP, CHSV(0,255,maxBrtBreak));
 
    }else if(TailLights == HIGH && Break == LOW && stateTSRuns == 1){
 
      int nrLedsTail = NUM_LEDS_PER_STRIP / 4;
      for(int i = 0; i <= nrLedsTail; i++){
        leds[i]=CHSV(0,254,maxBrtTailLights);
      }
 
    }else if(Break == HIGH && stateTSRuns == 1){
 
      int nrLedsBrake = NUM_LEDS_PER_STRIP / 4;
      for(int i = 0; i <= nrLedsBrake; i++){
        leds[i]=CHSV(0,254,maxBrtBreak);
      }
 
    }
 
    if(ReverseLights == HIGH){
      for(int i = 0; i < sizeof(reverseLightModel) / sizeof(reverseLightModel[0]); i++){
        leds[reverseLightModel[i]]=CHSV(0,0,maxBrtReverseLights);
      }       
    }
    stateTSRuns = 0;

    //RightTurnSignal
    if(TailLights == HIGH && Break == LOW && stateTSRunsright == 0){
 
      for(int i = 0; i <= sizeof(tailLightModel) / sizeof(tailLightModel[0]); i++){
        leds[tailLightModel[i]]=CHSV(0,254,maxBrtTailLights);
      }
 
    }else if(Break == HIGH && stateTSRunsright == 0){
 
      fill_solid( leds, NUM_LEDS_PER_STRIP, CHSV(0,255,maxBrtBreak));
 
    }else if(TailLights == HIGH && Break == LOW && stateTSRunsright == 1){
 
      int nrLedsTail = NUM_LEDS_PER_STRIP / 4;
      for(int i = 0; i <= nrLedsTail; i++){
        leds[i]=CHSV(0,254,maxBrtTailLights);
      }
 
    }else if(Break == HIGH && stateTSRunsright == 1){
 
      int nrLedsBrake = NUM_LEDS_PER_STRIP / 4;
      for(int i = 0; i <= nrLedsBrake; i++){
        leds[i]=CHSV(0,254,maxBrtBreak);
      }
 
    }
 
    if(ReverseLights == HIGH){
      for(int i = 0; i < sizeof(reverseLightModel) / sizeof(reverseLightModel[0]); i++){
        leds[reverseLightModel[i]]=CHSV(0,0,maxBrtReverseLights);
      }       
    }
    stateTSRunsright = 0;


}