/*
  Physical Pixel

Experiment to see if I can control the LEDs on my Satshsakit board
*/

#define LED1Pin 2  // the pin for LED1
#define LED2Pin 3  // the pin for LED2
#define LED3Pin 4  // the pin for LED3

String incomingByte;   // a variable to read incoming serial data into

void setup() 
{
  // Initialize serial communication:
  Serial.begin(9600);
  
  // Initialize the LED pins as outputs:
  pinMode(LED1Pin, OUTPUT);
  pinMode(LED2Pin, OUTPUT);
  pinMode(LED3Pin, OUTPUT);
  
}

void loop() 
{ 
  //digitalWrite(LED1Pin, HIGH); 
  if (Serial.available() > 0) {     // see if there's incoming serial data:      
    Serial.println("serial available");
    incomingByte = Serial.readString();   // read the oldest byte in the serial buffer:
    Serial.println(incomingByte);
     if (incomingByte == "H1") {     // if it's H1 (ASCII 72), turn on the LED1Pin
      digitalWrite(LED1Pin, HIGH);
      Serial.println("h1");
     }
    if (incomingByte == "L1") {     // if it's L1 (ASCII 76), turn off the LED1Pin
      digitalWrite(LED1Pin, LOW);
      Serial.println("l1");
    }
    
    if (incomingByte == "H2") {     // if it's H2 (ASCII 72), turn on the LED2Pin
      digitalWrite(LED2Pin, HIGH);
      Serial.println("h2");
    }
    if (incomingByte == "L2") {     // if it's L2 (ASCII 76), turn off the LED2Pin
      digitalWrite(LED2Pin, LOW);
      Serial.println("l2");
    }

    if (incomingByte == "H3") {     // if it's H3 (ASCII 72), turn on the LED3Pin
      digitalWrite(LED3Pin, HIGH);
      Serial.println("h3");
    }
    if (incomingByte == "L3") {     // if it's L3 (ASCII 76), turn off the LED3Pin
      digitalWrite(LED3Pin, LOW);
      Serial.println("l3");
    }
  }
  //delay(100);
}