Challenge 3: Project MagicFlask

void setup() {
  Matrix.init(); // MAX7219 initialization
  Matrix.setIntensity(8); // initial led matrix intensity, 0-15
  lcd.begin(16, 2);
  lcd.setCursor(0, 0);
  Serial.begin(9600);
  #if defined(__AVR_ATtiny85__) && (F_CPU == 16000000)
  clock_prescale_set(clock_div_1);
  #endif
  // END of Trinket-specific code.
  pinMode(sensorPin, INPUT);

  pixels.begin(); // INITIALIZE NeoPixel pixels object (REQUIRED)
}

void writeProduct() {
 
    currentProduct = productInventory[random(0, productInventoryLength)];
    lcd.setCursor(0, 0);
    lcd.print(currentProduct);
    Serial.print(currentProduct);
    delay(oneSecond);

}
void writePrice() {
 
    lcd.setCursor(0, 1);
    lcd.print("FRISCH!");
    delay(oneSecond);
    lcd.setCursor(0, 1);
    lcd.print("JETZT KAUFEN!");
    delay(oneSecond);

}

void readSensor() {
  sensorVal =digitalRead(sensorPin);
  Serial.println (sensorVal);
  // when the sensor detects a signal above the threshold value, LED flashes
  if (sensorVal==HIGH) {
    Serial.print("HIGH");

  }
  else {
    Serial.print("LOW");

  }
}

void runLED() {   
    pixels.show();   // Send the updated pixel colors to the hardware.
    colorWipe(pixels.Color(243, 0, 103), 50); // Pink
    delay(oneSecond);
    colorWipe(pixels.Color(0, 209, 205), 50); // Cyan
    delay(oneSecond);
    // Send a theater pixel chase in... 
    rainbowCycle(20);
  pixels.clear(); 

}

void runMatrix() {
  byte c;
  delay(100);
  Matrix.shiftLeft(false, true);
  printStringWithShift(string1, 100);  // Send scrolling Text

}


// Put extracted character on Display
void printCharWithShift(char c, int shift_speed){
  if (c < 32) return;
  c -= 32;
  memcpy_P(buffer, CH + 7*c, 7);
  Matrix.writeSprite(maxInUse*8, 0, buffer);
  Matrix.setColumn(maxInUse*8 + buffer[0], 0);
  
  for (int i = 0; i < buffer[0]+1; i++) 
  {
    delay(shift_speed);
    Matrix.shiftLeft(false, false);
  }
}

// Extract characters from Scrolling text
void printStringWithShift(char* s, int shift_speed){
  while (*s != 0){
    printCharWithShift(*s, shift_speed);
    s++;
  }
}

void loop() {
  runMatrix();
  writeProduct();  
  writePrice();
  runLED();
  
}