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/*   
 *    *** Corvette Bumper Controller ***
 *       Firmware 0.9 beta June 2020
 *             by Michael Buch
 *             
 *  // Description:
 *  Control of LED light in Corvette bumper decoration in Mom's Diner Burger Joint
 *  
 *  The overall voltage is 12VDC 5A to feed the Arduino Uno controller and a total of 180 led's on strips
 *  LED Strips are controlled via 4 shift registers
 *  2x RGB is controlled by the 6 PWM pins
 *  Just after this intro you can customize the 5 effects with the following commands
 *  They are case sensitive!
 *  
 *  // Common effects:
 *  AllOff();       // turns all lights off    
 *  delay(5000);    // delay between effects 5000 = 5 sec.
 *  delay(pottime); // delay set from the on board potentiometer 5 sec to 60 sec
 *  
 *  // Normal Car Effects
 *  EngineOn();         //  Engine On effect (ends with Normal driveing light on)
 *  EngineOff();        //  Engine Off effect (ends with All Off)
 *  posistionlightOn(); //  Normal driveing light on
 *  posistionlightOff();//  Normal driveing light off
 *  breakOn();          //  Press break
 *  breakOff();         //  Release break
 *  TurnRight(10);      //  Turn Right 10 times = 10 sec
 *  TurnLeft(5);        //  Turn Left 5 times = 5 sec
 *  ThirdbreakOn();     //  turns third break light on
 *  ThirdbreakOff();    //  turns third break light on
 *  Hazard(10);        //  Hazzard light 10 times = 10 sec
 *  
 *  // Reverse lights:
 *  revOn();            //  turn on reverse light (as white as RGB can be :)
 *  RGBOff();           //  turn off both RGB/reverse lights  
 *  setLeftColor(50,150,250);   //  Turn on Left reverse light in a RGB color (0,0,0) turns it off
 *  setRightColor(250,150,50);  //  Turn on Right reverse light in a RGB color - Max (255,255,255) = white'ish. 
 *  
 *  //SPECIAL EFFECTS the effects takes time before next effect is running
 *  rainbow(3);                 //  Both RGB runs through 512 colors of the rainbow 3 times 
 *  USPolice(10);             //  Blue and Red police flash 10 times = 7 sec - Ends in RGB off
 *  EUPolice(10);             //  Blue police flash 10 times = 7 sec - Ends in RGB off
 *  USFire(10);               //  Red fire flash slow 10 times = 8 sec - Ends in RGB off
 *  EUFire(10);               //  Blue fire flash slow 10 times = 8 sec - Ends in RGB off
 *  FlashSidemarker(50);      //  Flash side markers 50 times - Ends in On state
 *  Numberplatestrobe(50);    //  Numberplate Strobelight 50 times - Ends in On state
 *  Redstrobe(5);             //  Red light under bunper Strobelight 5 times - Ends in On state
 *  
 *  // Third breaklight effects  (the veriable "speed" is uses as a random speed/delay between 30ms and 100ms) 
 *  FlashEffect1(speed, 3);    // speed of animation
 *  FlashEffect2(speed, 3);    // speed of animation
 *  FlashEffect3(50, 20);       // Kight Rider effect - speed(50 is good) and number of times to animate
 *  FlashEffect4(speed, 3); // speed and times of animation 
 *  FlashEffect5(speed, 3);    // speed of animation
 *
 *  
*/  

// 1st User Effect (use commands from description)
void effectA(int speed, int pottime){
  /*STRAT USER COMMANDS*/
  EngineOn();
  delay(pottime);
  Numberplatestrobe(50);
  delay(pottime);
  USFire(10);
  delay(1000);
  revOn();
  TurnLeft(5);
  delay(500);  
  RGBOff();
  TurnLeft(5);
  delay(pottime);
  ThirdbreakOn();
  delay(10000);
  ThirdbreakOff();
  delay(pottime);
  rainbow(5);
  delay(pottime);
  USPolice(20);
  breakOn();
  USPolice(10);
  breakOff();
  USPolice(10);
  delay(pottime);
  FlashEffect1(speed, 3);
  delay(pottime);
  Hazard(20);
  delay(pottime);
  FlashEffect2(speed, 3);
  Redstrobe(50);
  delay(pottime);
  EngineOff();
  delay(pottime); // Time until next effect starts
  /*END USER COMMANDS*/
  }


// 2nd User Effect (use commands from description)
void effectB(int speed, int pottime){
  /*STRAT USER COMMANDS*/
  EngineOn();
  delay(5000);
  breakOn();
  delay(1500);
  revOn();
  delay(1500);
  breakOff();
  delay(10000);
  breakOn();
  delay(3000);
  RGBOff();
  delay(2000);
  breakOff();
  delay(pottime);
  TurnLeft(2);
  breakOn();
  TurnLeft(10);
  breakOff();
  TurnLeft(5);
  delay(pottime);
  FlashEffect3(50, 20); //Night rider @ 50ms 10 times
  delay(pottime);
  breakOn();
  delay(10000);
  breakOff();
  delay(pottime);
  TurnRight(2);
  breakOn();
  TurnRight(10);
  breakOff();
  TurnRight(5);
  delay(pottime);
  rainbow(10);
  delay(pottime);
  FlashEffect4(speed, 10);
  delay(pottime);
  breakOn();
  TurnRight(10);
  delay(5000);
  breakOff();
  delay(5000);
  rainbow(5);
  delay(10000);
  EngineOff();
  delay(pottime); // Time until next effect starts
  /*END USER COMMANDS*/ 
}


//  3rd User Effect (use commands from description)
void effectC(int speed, int pottime){
  /*STRAT USER COMMANDS*/
  EngineOn();
  delay(5000);
  breakOn();
  delay(2000);
  TurnLeft(2);
  breakOff();
  TurnLeft(6);
  delay(pottime);
  USPolice(10);
  breakOn();
  USPolice(10);
  breakOff();
  USPolice(5);
  delay(pottime);
  TurnLeft(2);
  breakOff();
  TurnLeft(6);
  delay(30000);
  rainbow(5);
  delay(30000);
  FlashEffect1(speed, 10);
  delay(pottime);
  breakOn();
  TurnRight(10);
  delay(5000);
  breakOff();
  delay(pottime);
  breakOn();
  delay(7000);
  revOn();
  delay(2000);
  breakOff();
  delay(6000);
  breakOn();
  delay(1000);
  RGBOff();
  delay(1000);
  breakOff();
  TurnLeft(6);
  EUPolice(20);
  delay(pottime);
  breakOn();
  delay(10000);
  breakOff();
  delay(pottime);
  Numberplatestrobe(70);
  delay(pottime);
  breakOn();
  TurnRight(10);
  breakOff();
  TurnRight(2);
  breakOn();
  TurnRight(3);
  breakOff();
  delay(5000);
  EngineOff();
  delay(pottime); // Time until next effect starts
  /*END USER COMMANDS*/ 
  }


//  4th User Effect (use commands from description)
void effectD(int speed, int pottime){
  /*STRAT USER COMMANDS*/
  delay(5000);
  FlashEffect3(50, 1); //Night rider @ 50ms 1 times  
  delay(5000);
  FlashEffect3(50, 1); //Night rider @ 50ms 1 times  
  delay(5000);
  Redstrobe(50);
  FlashEffect3(50, 20); //Night rider @ 50ms 20 times  
  EngineOn();
  delay(pottime);
  FlashSidemarker(50);
  delay(pottime); 
  FlashEffect1(speed, 10);
  delay(pottime);
  FlashEffect2(speed, 10);
  delay(pottime);
  Hazard(20);
  delay(3000);
  EngineOff();
  delay(pottime); // Time until next effect starts
  /*END USER COMMANDS*/ 
  }


//  5th User Effect (use commands from description)
void effectE(int speed, int pottime){
  /*STRAT USER COMMANDS*/
  EUPolice(20);
  delay(5000);
  EngineOn();
  delay(pottime);
  rainbow(5);
  delay(pottime);
  Hazard(20);
  delay(pottime);
  posistionlightOff();
  delay(2000);
  FlashSidemarker(50);
  Numberplatestrobe(50);
  Redstrobe(50);
  delay(2000);
  posistionlightOn();
  delay(pottime);
  EngineOff();
  delay(pottime); // Time until next effect starts
  /*END USER COMMANDS*/ 
  }

/*  
 *   WARNING!!
 *    Below is the code to make the above work
 *    change at own rick :) 
 */

/* START PROGRAM */

//  Define Constants and Pin Setup
int AUX1 = 2; // Spare Output
int LR = 3;  // PWM for Left side RGB led (Red)
int AUX2 = 4; // Spare Output
int LG = 5;  // PWM for Left side RGB led (Green)
int LB = 6;  // PWM for Left side RGB led (Blue)
int latchPin = 7;  // Latch pin of 74HC595 is connected to Digital pin 2
int clockPin = 8; // Clock pin 11 of 74HC595 is connected to Digital pin 6
int RR = 9;  // PWM for Right side RGB led (Red)
int RG = 10;  // PWM for Right side RGB led (Green)
int RB = 11;  // PWM for Right side RGB led (Blue)
int dataPin = 12;  // Data pin 14 of 74HC595 is connected to Digital pin 5
int statusled = 13;  // test/status led
int pot = 0;  //  Potmeter on PCB for speed ajustment
int numColors = 512;  // Used in the rainbow effect

// Define Veriables
byte* registerState;    //  Byte to send 
int effectId = 0;    //  effect id for random effects
int prevEffect = 0;  //  prev. effect id for random effects
int effectRepeat = 0;  //  repeat for random effects
int effectSpeed = 30;  //  speed in ms for random effects
int potval = 0;     // on board pot used for delay time
int LRed = 255;     // can be used for the left side red color 
int LGreen = 255;   // can be used for the left side green color
int LBlue = 255;    // can be used for the left side blue color
int RRed = 255;     // can be used for the right side red color
int RGreen = 255;   // can be used for the right side green color
int RBlue = 255;        // can be used for the right side blue color

int counter = 0;  // Used in the rainbow effect
int animationDelay = 10; // // Used in the rainbow effect


// Setup micro controller
void setup() {
   //Initialize byte array to send to shift registers
  registerState = new byte[4];
  for (size_t i = 0; i < 4; i++) {
    registerState[i] = 0;
  }

  //set pins to output to control the shift registers
  pinMode(latchPin, OUTPUT);
  pinMode(clockPin, OUTPUT);
  pinMode(dataPin, OUTPUT);
  //set pins to output pwm control the 2 x RGB lights
  pinMode(LR, OUTPUT);
  pinMode(LG, OUTPUT);
  pinMode(LB, OUTPUT);
  pinMode(RR, OUTPUT);
  pinMode(RG, OUTPUT);
  pinMode(RB, OUTPUT);
  //set pins to output for Digital outs
  pinMode(AUX1, OUTPUT);
  pinMode(AUX2, OUTPUT);
  // Start serial to display effect names running
  Serial.begin(9600);
  AllOff();
  // Show credits and version
  Serial.println("");
  Serial.println("*** Covette Bumper Controller ***");
  Serial.println("   Firmware 0.9 beta June 2020");
  Serial.println("       by Michael Buch");
  Serial.println("");
  Serial.println(" <<< Program Running >>>");
  Serial.println("");
}


// Start The Loop
void loop(){
  do{
    effectId = random(1, 5);  // Let's find a random effect
    } 
  while (effectId == prevEffect);
  prevEffect = effectId;
  switch (effectId){
    case 1:
    effectRepeat = random(1, 4);  // How many times to repeat effect 1
    break;
    case 2:
    effectRepeat = random(1, 4);  // How many times to repeat effect 2
    break;
   case 3:
    effectRepeat = random(1, 4);  // How many times to repeat effect 3
    break;
   case 4:
    effectRepeat = random(1, 4);  // How many times to repeat effect 4
    break;
  case 5:
    effectRepeat = random(1, 4);  // How many times to repeat effect 5
    break;
    }
 
  for (int i = 1; i <= effectRepeat; i++) {  // Repeat the effect
       potval = analogRead(pot);
    int pottime = map(potval, 0, 1023, 5000, 60000);
    if (pottime < 0) {
      pottime = pottime * (-1);
          }
    effectSpeed = random(10, 100);     // Random speed for some effects
    switch (effectId){
    case 1:
      Serial.print("Effect A running: ");Serial.print(i);Serial.print(" of ");Serial.println(effectRepeat);
      Serial.print("    Annimation delay  = ");Serial.println(effectSpeed);
      Serial.print("    Effect delay      = ");Serial.println(pottime);
      effectA(effectSpeed, pottime);
      break;
    case 2:
      Serial.print("Effect B running: ");Serial.print(i);Serial.print(" of ");Serial.println(effectRepeat);
      Serial.print("    Annimation delay  = ");Serial.println(effectSpeed);
      Serial.print("    Effect delay      = ");Serial.println(pottime);
      effectB(effectSpeed, pottime);
      break;
    case 3:
      Serial.print("Effect C running: ");Serial.print(i);Serial.print(" of ");Serial.println(effectRepeat);
      Serial.print("    Annimation delay  = ");Serial.println(effectSpeed);
      Serial.print("    Effect delay      = ");Serial.println(pottime);
      effectC(effectSpeed, pottime);
      break;
    case 4:
      Serial.print("Effect D running: ");Serial.print(i);Serial.print(" of ");Serial.println(effectRepeat);
      Serial.print("    Annimation delay  = ");Serial.println(effectSpeed);
      Serial.print("    Effect delay      = ");Serial.println(pottime);
      effectD(effectSpeed, pottime);
      break;
    case 5:
      Serial.print("Effect E running: ");Serial.print(i);Serial.print(" of ");Serial.println(effectRepeat);
      Serial.print("    Annimation delay  = ");Serial.println(effectSpeed);
      Serial.print("    Effect delay      = ");Serial.println(pottime);
      effectE(effectSpeed, pottime);
      break;
      }
    }
  }
  
//  Write to the shift register 
void regWrite(int pin, bool state){
  //Determines register
  int reg = pin / 8;
  //Determines pin for actual register
  int actualPin = pin - (8 * reg);
  //Begin session
  digitalWrite(latchPin, LOW);
  for (int i = 0; i < 4; i++){
    //Get actual states for register
    byte* states = &registerState[i];
    //Update state
    if (i == reg){
      bitWrite(*states, actualPin, state);
      }
    //Write
    shiftOut(dataPin, clockPin, LSBFIRST, *states);
    }
  //End session
  digitalWrite(latchPin, HIGH);
  }

  
/* START EFFECTS*/

//  All off
void AllOff(){
      for (int k = 0; k <= 31; k++){
      regWrite(k, LOW);
      }
      RGBOff();
  }

//  Third break light off
void ThirdbreakOff(){
  for (int i = 23; i >= 8; i--){
     regWrite(i, LOW);
  }
}

//  Third break light on
void ThirdbreakOn(){
  for (int i = 23; i >= 8; i--){
     regWrite(i, HIGH);
   }
}
  
//  Posistion light on
void posistionlightOn(){
regWrite(0, HIGH);
regWrite(2, HIGH);
regWrite(5, HIGH);
regWrite(7, HIGH);
regWrite(24, HIGH);
regWrite(26, HIGH);
regWrite(29, HIGH);
regWrite(31, HIGH);
}

//  Posistion light off
void posistionlightOff(){
regWrite(0, LOW);
regWrite(2, LOW);
regWrite(5, LOW);
regWrite(7, LOW);
regWrite(24, LOW);
regWrite(26, LOW);
regWrite(29, LOW);
regWrite(31, LOW);
}

//  Break light on
void breakOn(){
regWrite(4, HIGH);
regWrite(6, HIGH);
regWrite(25, HIGH);
regWrite(27, HIGH);
ThirdbreakOn();
}

//  Break light off
void breakOff(){
regWrite(4, LOW);
regWrite(6, LOW);
regWrite(25, LOW);
regWrite(27, LOW);
ThirdbreakOff();
}

//  Reverse on
void revOn(){
 setLeftColor(255,255,255);
 setRightColor(255,255,255);
}

//  RGB off
void RGBOff(){
setLeftColor(0,0,0);
 setRightColor(0,0,0);
}

//  Turn Left
void TurnLeft(int times){
   for (int i = 0; i <= times; i++){
    regWrite(30, HIGH);
    regWrite(28, HIGH);
    delay(500);
    regWrite(30, LOW);
    regWrite(28, LOW);
     delay(500);
   }
}


//  Turn Right
void TurnRight(int times){
   for (int i = 0; i <= times; i++){
    regWrite(1, HIGH);
    regWrite(3, HIGH);
    delay(500);
    regWrite(1, LOW);
    regWrite(3, LOW);
     delay(500);
   }
}

//  Hazard Light
void Hazard(int times){
   for (int i = 0; i <= times; i++){
    regWrite(1, HIGH);
    regWrite(3, HIGH);
    regWrite(30, HIGH);
    regWrite(28, HIGH);
    delay(500);
    regWrite(30, LOW);
    regWrite(28, LOW);
    regWrite(1, LOW);
    regWrite(3, LOW);
     delay(500);
   }
}

//  Engine on (start up)
void EngineOn(){
  regWrite(3, HIGH);
  regWrite(6, HIGH);
  regWrite(25, HIGH);
  regWrite(28, HIGH);
  delay(500);
  regWrite(2, HIGH);
  regWrite(5, HIGH);
  regWrite(26, HIGH);
  regWrite(29, HIGH);
  delay(500);
  regWrite(1, HIGH);
  regWrite(4, HIGH);
  regWrite(27, HIGH);
  regWrite(30, HIGH);
  delay(300);
  FlashEffect4(30, 1);
  regWrite(3, LOW);
  regWrite(6, LOW);
  regWrite(25, LOW);
  regWrite(28, LOW);
  regWrite(2, LOW);
  regWrite(5, LOW);
  regWrite(26, LOW);
  regWrite(29, LOW);
  regWrite(1, LOW);
  regWrite(4, LOW);
  regWrite(27, LOW);
  regWrite(30, LOW);
  delay(400);
  posistionlightOn();
}

//  Engine off (shot down)
void EngineOff(){
  AllOff();
  ThirdbreakOn();
  regWrite(3, HIGH);
  regWrite(6, HIGH);
  regWrite(25, HIGH);
  regWrite(28, HIGH);
  regWrite(2, HIGH);
  regWrite(5, HIGH);
  regWrite(26, HIGH);
  regWrite(29, HIGH);
  regWrite(1, HIGH);
  regWrite(4, HIGH);
  regWrite(27, HIGH);
  regWrite(30, HIGH);
  delay(300);
  for (int k = 16; k <= 23; k++){
    delay(100);
    regWrite(k, LOW);
    regWrite(31 - k, LOW);
  }
  delay(300);
  regWrite(1, LOW);
  regWrite(4, LOW);
  regWrite(27, LOW);
  regWrite(30, LOW);
  delay(500);
  regWrite(2, LOW);
  regWrite(5, LOW);
  regWrite(26, LOW);
  regWrite(29, LOW);
  delay(500);
  regWrite(3, LOW);
  regWrite(6, LOW);
  regWrite(25, LOW);
  regWrite(28, LOW);
  AllOff();
}

//  Numberplate strobe Light
void Numberplatestrobe(int strobe){
  for (int i = 0; i <= strobe; i++){
    regWrite(7, LOW);
    delay(30);
    regWrite(7, HIGH);
    delay(30);
  }
}

//  Red strobe Light
void Redstrobe(int strobe){
  for (int i = 0; i <= strobe; i++){
    regWrite(24, LOW);
    delay(30);
    regWrite(24, HIGH);
    delay(30);
  }
}

//  Flash side marker lights
void FlashSidemarker(int times){
  for (int i = 0; i <= times; i++){
    regWrite(0, LOW);
    regWrite(31, LOW);
    delay(400);
    regWrite(0, HIGH);
    regWrite(31, HIGH);
    delay(50);
    regWrite(0, LOW);
    regWrite(31, LOW);
    delay(50);
    regWrite(0, HIGH);
    regWrite(31, HIGH);
    delay(50);
  }
}

//  US Police effect
void USPolice(int times){
  RGBOff();
  for (int i = 0; i <= times; i++){
    setRightColor(255,0,0);
    delay(100);
    setRightColor(0,0,0);
    delay(100);
    setRightColor(255,0,0);
    delay(100);
    setRightColor(0,0,0);
    delay(100);
    setLeftColor(0,0,255);
    delay(100);
    analogWrite(LB, 0);
    delay(100);
    analogWrite(LB, 255);
    delay(100);
    analogWrite(LB, 0);
  }
}

//  US Fire effect
void USFire(int times){
  RGBOff();
  for (int i = 0; i <= times; i++){
    analogWrite(RR, 255);
    analogWrite(LR, 0);
    delay(400);
    analogWrite(LR, 255);
    analogWrite(RR, 0);
    delay(400);
  }
   RGBOff();
}

//  EU Police effect
void EUPolice(int times){
  RGBOff();
  for (int i = 0; i <= times; i++){
    analogWrite(RB, 255);
    delay(100);
    analogWrite(RB, 0);
    delay(100);
    analogWrite(RB, 255);
    delay(100);
    analogWrite(RB, 0);
    delay(100);
    analogWrite(LB, 255);
    delay(100);
    analogWrite(LB, 0);
    delay(100);
    analogWrite(LB, 255);
    delay(100);
    analogWrite(LB, 0);
  }
}

//  EU Fire effect
void EUFire(int times){
  RGBOff();
  for (int i = 0; i <= times; i++){
    analogWrite(RB, 255);
    analogWrite(LB, 0);
    delay(400);
    analogWrite(LB, 255);
    analogWrite(RB, 0);
    delay(400);
  }
  RGBOff();
}

//    RGB rainbow
void rainbow(int repeat){
  for(int r = 0; r <= repeat; r++){
    for(int i = 0; i <= numColors; i++){
      float colorNumber = counter > numColors ? counter - numColors: counter;
      float saturation = 1; // Between 0 and 1 (0 = gray, 1 = full color)
      float brightness = 1; // Between 0 and 1 (0 = dark, 1 is full brightness)
      float hue = (colorNumber / float(numColors)) * 360; // Number between 0 and 360
      long color = HSBtoRGB(hue, saturation, brightness);
      int red = color >> 16 & 255;
      int green = color >> 8 & 255;
      int blue = color & 255;
      setLeftColor(red, green, blue);
      setRightColor(red, green, blue);
      counter = (counter + 1) % (numColors * 2);
      delay(animationDelay);
    }
  }
RGBOff(); 
}

// 1st Flash Effect
void FlashEffect1(int speed, int repeat){
  for (int r = 1; r <= repeat; r++){
    for (int i = 8; i < 24; i++){
      for (int k = i; k < 24; k++){
        regWrite(k, HIGH);
        delay(speed);
        regWrite(k, LOW);
      }
    regWrite(i, HIGH);
    }
  delay(speed * 5);
  for (int i = 23; i >= 8; i--){
    regWrite(i, LOW);
  }
  }
delay(speed * 5);
ThirdbreakOff();
}

// 2nd Flash Effect
void FlashEffect2(int speed, int repeat){
  for (int r = 1; r <= repeat; r++){
    for (int i = 23; i >= 8; i--){
      for (int k = 8; k < i; k++){
        regWrite(k, HIGH);
        delay(speed);
        regWrite(k, LOW);
      }
      regWrite(i, HIGH);
     }
   delay(speed * 5);
   for (int i = 23; i >= 8; i--){
    regWrite(i, LOW);
   }
   }
delay(speed * 5);
ThirdbreakOff();
}

//  3rd Flash Effect (knight rider)
void FlashEffect3(int speed, int repeat){
  for (int r = 1; r <= repeat; r++){
    int prevI = 8;
    for (int i = 8; i < 24; i++){
      regWrite(prevI, LOW);
      regWrite(i, HIGH);
      prevI = i;
      delay(speed);
    }
    for (int i = 23; i >= 8; i--){
      regWrite(prevI, LOW);
      regWrite(i, HIGH);
      prevI = i;
      delay(speed);
    }
    //delay(speed * 5);
    for (int i = 23; i >= 8; i--){
      regWrite(i, LOW);
    }
  }
delay(1000);
ThirdbreakOff();
}


//  4th Flash Effect
void FlashEffect4(int speed, int repeat){
  for (int r = 1; r <= repeat; r++){
    for (int i = 8; i < 16; i++){
      for (int k = i; k < 16; k++){
        regWrite(k, HIGH);
        regWrite(31 - k, HIGH);
        delay(speed);
        regWrite(k, LOW);
        regWrite(31 - k, LOW);
      }
      regWrite(i, HIGH);
      regWrite(31 - i, HIGH);
    }
  delay(speed * 5);
  for (int i = 23; i >= 8; i--){
    regWrite(i, LOW);
  }
  }
delay(speed * 5);
ThirdbreakOff();
}


//  5th Flash Effect
void FlashEffect5(int speed, int repeat){
  for (int r = 1; r <= repeat; r++){
    for (int i = 23; i >= 16; i--){
      for (int k = 16; k <= i; k++){
        regWrite(k, HIGH);
        regWrite(31 - k, HIGH);
        delay(speed);
        regWrite(k, LOW);
        regWrite(31 - k, LOW);
      }
      regWrite(i, HIGH);
      regWrite(31 - i, HIGH);
    }
    delay(speed * 5);
    
   }
    delay(speed * 5);
    ThirdbreakOff();
}

// Set the color of the left reverse light
void setLeftColor (unsigned char red, unsigned char green, unsigned char blue){       
  analogWrite(LR, red);
  analogWrite(LG, green);
  analogWrite(LB, blue);
}

// Set the color of the left reverse light
void setRightColor (unsigned char red, unsigned char green, unsigned char blue){
  analogWrite(RR, red);
  analogWrite(RG, green);
  analogWrite(RB, blue);
}

// Convert Hue, Sat and brightness to RGB - Used in rainbow effect
long HSBtoRGB(float _hue, float _sat, float _brightness) {
   float red = 0.0;
   float green = 0.0;
   float blue = 0.0;
   if (_sat == 0.0) {
    red = _brightness;
    green = _brightness;
    blue = _brightness;
   } else {
    if (_hue == 360.0) {
      _hue = 0;
    }
    int slice = _hue / 60.0;
    float hue_frac = (_hue / 60.0) - slice;
    float aa = _brightness * (1.0 - _sat);
    float bb = _brightness * (1.0 - _sat * hue_frac);
    float cc = _brightness * (1.0 - _sat * (1.0 - hue_frac));
    switch(slice) {
      case 0:
        red = _brightness;
        green = cc;
        blue = aa;
        break;
      case 1:
        red = bb;
        green = _brightness;
        blue = aa;
        break;
      case 2:
        red = aa;
        green = _brightness;
        blue = cc;
        break;
      case 3:
        red = aa;
        green = bb;
        blue = _brightness;
        break;
      case 4:
        red = cc;
        green = aa;
        blue = _brightness;
        break;
      case 5:
        red = _brightness;
        green = aa;
        blue = bb;
        break;
        default:
        red = 0.0;
        green = 0.0;
        blue = 0.0;
        break;
    }
  }
  long ired = red * 255.0;
  long igreen = green * 255.0;
  long iblue = blue * 255.0;
  return long((ired << 16) | (igreen << 8) | (iblue));
}

/* END PROGRAM */
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