/*
  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
#define LED4Pin 5  // the pin for LED4
#define LED5Pin 6  // the pin for LED5
#define LED6Pin 7  // the pin for LED6
int 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);
  pinMode(LED4Pin, OUTPUT);
  pinMode(LED5Pin, OUTPUT);
  pinMode(LED6Pin, OUTPUT);
}

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

    if (incomingByte == 'H3') {     // if it's H3 (ASCII 72), turn on the LED3Pin
      digitalWrite(LED3Pin, HIGH);
    }
    if (incomingByte == 'L3') {     // if it's L3 (ASCII 76), turn off the LED3Pin
      digitalWrite(LED3Pin, LOW);
    }

    if (incomingByte == 'H4') {     // if it's H4 (ASCII 72), turn on the LED4Pin
      digitalWrite(LED4Pin, HIGH);
    }
    if (incomingByte == 'L4') {     // if it's L4 (ASCII 76), turn off the LED4Pin
      digitalWrite(LED4Pin, LOW);
    }

    if (incomingByte == 'H5') {     // if it's H5 (ASCII 72), turn on the LED5Pin
      digitalWrite(LED5Pin, HIGH);
    }
    if (incomingByte == 'L5') {     // if it's L5 (ASCII 76), turn off the LED5Pin
      digitalWrite(LED5Pin, LOW);
    }

    if (incomingByte == 'H6') {     // if it's H6 (ASCII 72), turn on the LED6Pin
      digitalWrite(LED6Pin, HIGH);
    }
    if (incomingByte == 'L6') {     // if it's L6 (ASCII 76), turn off the LED6Pin
      digitalWrite(LED6Pin, LOW);
    }
  }
}