The file that is currently on an Arduino/Genuino Uno with a serial number of A4131363139351218160

steeringWheelKnobsWindshield2.ino

#include <Adafruit_NeoPixel.h>

#define CENTER 130
#define STEER_RANGE 60
#define LEFT_BOUND (CENTER - STEER_RANGE)
#define RIGHT_BOUND (CENTER + STEER_RANGE)

#define IDLE_RANGE 5

#define PIN 8

Adafruit_NeoPixel strip = Adafruit_NeoPixel(218, PIN, NEO_GRB + NEO_KHZ800);

int turnAmt=CENTER;
int randomNum=random(CENTER - IDLE_RANGE, CENTER + IDLE_RANGE);
int knobState;
long debounce;

void setup() {
  Serial.begin(115200);
  
  pinMode(5, OUTPUT);
  pinMode(6, OUTPUT);
  digitalWrite(6, LOW);

  strip.begin();
  strip.show(); // Initialize all pixels to 'off'
  checkKnobState();
}

void loop() {
  char myKnob;
  
  while(Serial.available()){
    int command = Serial.read();
    switch (command) {
      case 'l':
          blueLeft();
          leftLaneChange();
          blueReturnFromLeft();
      break;
      case 'r':
          blueRight();
          rightLaneChange();
          blueReturnFromRight();
      break;
      case 'm':
          digitalWrite(6, LOW);
          clearZone();
      break;
      case 'a':
          digitalWrite(6, HIGH);
          blueZone();
      break;
      case '7':
          blueZone();
      break;
      case 'z':
          clearZone();
      break;
      case '8':
          yellowZone();
      break;
      case '9':
          redZone();
      break;
      
    }
  }
  //random steering
  if (millis()%1000==0){
    if(turnAmt<randomNum){
      turnAmt+=1;
    }else if(turnAmt>randomNum){
      turnAmt-=1;
    }else{
      randomNum=random(CENTER - IDLE_RANGE, CENTER + IDLE_RANGE);
    }
    analogWrite(5, turnAmt);
  }

  if (millis()>(debounce+500)){
    myKnob=checkKnobState();
    if(myKnob!='0'){
      Serial.print(myKnob);
      debounce=millis();
    }
  }
}

void blueZone() {
  int startLED=188;
  for(int i=0;i<(220-startLED);i++){
    strip.setPixelColor(i+startLED, strip.Color(0,0,((220-startLED)-i)));
    strip.setPixelColor(startLED-i, strip.Color(0,0,((220-startLED)-i)));
    strip.show(); // This sends the updated pixel color to the hardware.
  }
}

void blueLeft() {
  for(int startLED=188;startLED>=140;startLED--){
    for(int i=0;i<218;i++){
      strip.setPixelColor(i, strip.Color(0,0,0));
    }
    for(int i=0;i<32;i++){
      strip.setPixelColor(i+startLED, strip.Color(0,0,31-i));
      strip.setPixelColor(startLED-i, strip.Color(0,0,31-i));
    }
    strip.show(); // This sends the updated pixel color to the hardware
  }
}
void blueReturnFromLeft() {
  for(int startLED=140;startLED<=188;startLED++){
    for(int i=0;i<218;i++){
      strip.setPixelColor(i, strip.Color(0,0,0));
    }
    for(int i=0;i<32;i++){
      strip.setPixelColor(i+startLED, strip.Color(0,0,31-i));
      strip.setPixelColor(startLED-i, strip.Color(0,0,31-i));
    }
    strip.show(); // This sends the updated pixel color to the hardware
  }
}
void blueRight() {
  for(int startLED=188;startLED<=230;startLED++){
    for(int i=0;i<218;i++){
      strip.setPixelColor(i, strip.Color(0,0,0));
    }
    for(int i=0;i<32;i++){
      if(i+startLED>=218){
        strip.setPixelColor(i+startLED-218, strip.Color(0,0,31-i));
      }else{
        strip.setPixelColor(i+startLED, strip.Color(0,0,31-i));
      }
      if(startLED-i>=218){
        strip.setPixelColor(startLED-i-218, strip.Color(0,0,31-i));
      }else{
        strip.setPixelColor(startLED-i, strip.Color(0,0,31-i));
      }
    }
  strip.show(); // This sends the updated pixel color to the hardware
  delay(10);
  }
}

void blueReturnFromRight() {
  for(int startLED=230;startLED>=188;startLED--){
    for(int i=0;i<218;i++){
      strip.setPixelColor(i, strip.Color(0,0,0));
    }
    for(int i=0;i<32;i++){
      if(i+startLED>=218){
        strip.setPixelColor(i+startLED-218, strip.Color(0,0,31-i));
      }else{
        strip.setPixelColor(i+startLED, strip.Color(0,0,31-i));
      }
      if(startLED-i>=218){
        strip.setPixelColor(startLED-i-218, strip.Color(0,0,31-i));
      }else{
        strip.setPixelColor(startLED-i, strip.Color(0,0,31-i));
      }
    }
  strip.show(); // This sends the updated pixel color to the hardware
  delay(10);
  }
}

void clearZone() {
  for(int i=0;i<218;i++){
    strip.setPixelColor(i, strip.Color(0,0,0));
  }
  strip.show(); // This sends the updated pixel color to the hardware.
}

void yellowZone() {
  int startLED=188;
  for(int i=0;i<(220-startLED);i++){
    int brightness = ((220-startLED)-i)*2;
    strip.setPixelColor(i+startLED, strip.Color(brightness,brightness,0));
    strip.setPixelColor(startLED-i, strip.Color(brightness,brightness,0));
    strip.show(); // This sends the updated pixel color to the hardware.
  }
}
void redOn() {
  for(int i=0;i<218;i++){
    strip.setPixelColor(i, strip.Color(255,0,0));
  }
  strip.show(); // This sends the updated pixel color to the hardware.
}
void redZone(){
  redOn();
  delay(100);
  clearZone();
  delay(100);
  redOn();
  delay(100);
  clearZone();
  delay(100);
  redOn();
}


char checkKnobState(){
  int knobVar=analogRead(A0);
  if (knobVar>400 && knobVar<499 && knobState!=1){
      knobState=1;
      return 'k';
  }else if (knobVar>500 && knobVar<574 && knobState!=2){
      if(knobState!=1){
        knobState=2;
        return 'l';
      }else{
        knobState=2;
        return '0';
      }
  }else if (knobVar>575 && knobVar<649 && knobState!=3){
      if(knobState!=1){
        knobState=3;
        return 'm';
      }else{
        knobState=3;
        return '0';
      }
  }else if (knobVar>650 && knobVar<699 && knobState!=4){
      if(knobState!=1){
        knobState=4;
        return 'n';
      }else{
        knobState=4;
        return '0';
      }
  }else{
    return '0';
  }
}

void leftLaneChange(){
  for (; turnAmt > LEFT_BOUND; turnAmt--) {
    analogWrite(5, turnAmt);
    delay(15);
  }
   
  delay(2000);

  for (; turnAmt < CENTER; turnAmt++) {
    analogWrite(5, turnAmt);
    delay(15);
  }
}

void rightLaneChange(){
  for (;turnAmt < RIGHT_BOUND; turnAmt++) {
    analogWrite(5, turnAmt);
    delay(15);
  }
  
  delay(2000);
  
  for (;turnAmt > CENTER; turnAmt--) {
    analogWrite(5, turnAmt);
    delay(15);
  }
}