/*
  control for the LEDs in the nerdctrl c-base sign
  Works with TI's connected launchpad and the energia.nu IDE.
*/

// 80 C red
// 37 C blue

// 78 B red
// 10 B green
// 79 B blue

// 40 A red
// 38 A green
// 9 A blue

// 55 S red
// 77 S green
// 19 S blue

// 54 E red
// 76 E green
// 75 E blue

#define C_RED 80
#define C_BLUE 37

#define B_RED 78
#define B_BLUE 79

#define A_RED 40
#define A_BLUE 9

#define S_RED 55
#define S_BLUE 19

#define E_RED 54
#define E_BLUE 75

int brightness = 50;    // how bright the LED is
int fadeAmount = 1;    // how many points to fade the LED by
int mode = 1;

int red[] = {80, 78, 40, 55, 54};
int green[] = {42, 10, 38, 77, 76};
int blue[] = {37, 79, 9, 19, 75};

void setup()  { 
  Serial.begin(9600);
  for (int i=0; i<5; i++) {
    pinMode(red[i], OUTPUT);
    pinMode(green[i], OUTPUT);
    pinMode(blue[i], OUTPUT);
  }
} 

void loop() {
  
  while (Serial.available() > 0) {
    mode = Serial.parseInt(); 
    brightness = 255;
    Serial.println("aye");
  }
  if (brightness < 90) {
    fadeAmount = 1;
  }
  
  if (brightness >= 255) {
    fadeAmount = -1;
  }

  if (mode == 0) {  
    for (int i=0; i<5; i++) {
      analogWrite(red[i], 0);
      analogWrite(green[i], 0);
      analogWrite(blue[i], 0);
    }
  } else if (mode == 1) {  
    for (int i=0; i<5; i++) {
      analogWrite(red[i], 0);
      analogWrite(green[i], 0);
      analogWrite(blue[i], brightness);
    }
  } else if (mode == 2) {
    for (int i=0; i<5; i++) {
      analogWrite(red[i], brightness);
      analogWrite(green[i], 0);
      analogWrite(blue[i], 0);
    }
  } else if (mode == 3) {
    for (int i=0; i<5; i++) {
      analogWrite(red[i], 0);
      analogWrite(green[i], brightness);
      analogWrite(blue[i], 0);
    }
  } else if (mode == 4) {
    for (int i=0; i<5; i++) {
      analogWrite(red[i], brightness);
      analogWrite(green[i], 0);
      analogWrite(blue[i], brightness);
    }
  } else if (mode == 5) {
    for (int i=0; i<5; i++) {
      analogWrite(red[i], 0);
      analogWrite(green[i], brightness);
      analogWrite(blue[i], brightness);
    }
  } else if (mode == 6) {
    for (int i=0; i<5; i++) {
      analogWrite(red[i], brightness);
      analogWrite(green[i], brightness);
      analogWrite(blue[i], 0);
    }
  } else if (mode == 7) {
    for (int i=0; i<5; i++) {
      analogWrite(red[i], brightness);
      analogWrite(green[i], brightness);
      analogWrite(blue[i], brightness);
    }
  }
  delay(10);
  
  brightness = brightness + fadeAmount;
}