/*
  Project to interface a screen connected to an arduino with data from a vash script.
  Used as start up for a HTPC.
*/
// OLED thingies
#include <SPI.h>
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
//Functionality

#define OLED_RESET 4
Adafruit_SSD1306 display(OLED_RESET);

#define NUMFLAKES 10
#define XPOS 0
#define YPOS 1
#define DELTAY 2


#define LOGO16_GLCD_HEIGHT 16 
#define LOGO16_GLCD_WIDTH  16 
static const unsigned char PROGMEM logo16_glcd_bmp[] =
{ B00000000, B11000000,
  B00000001, B11000000,
  B00000001, B11000000,
  B00000011, B11100000,
  B11110011, B11100000,
  B11111110, B11111000,
  B01111110, B11111111,
  B00110011, B10011111,
  B00011111, B11111100,
  B00001101, B01110000,
  B00011011, B10100000,
  B00111111, B11100000,
  B00111111, B11110000,
  B01111100, B11110000,
  B01110000, B01110000,
  B00000000, B00110000 };

#if (SSD1306_LCDHEIGHT != 32)
#error("Height incorrect, please fix Adafruit_SSD1306.h!");
#endif

// Vars
String inputString = "";         // a string to hold incoming data
boolean stringComplete = false;  // whether the string is complete

boolean repeat = false;
boolean shuffle = false;
int volume = 100;
String title = "Yesterdays";
String artist = "Guns 'n Roses";
String album = "Appetite for Destruction";

unsigned int tick = 0;
unsigned int maxticks = 0;

void setup()   {
  // initialise serial
  Serial.begin(9600);  
  // by default, we'll generate the high voltage from the 3.3v line internally! (neat!)
  display.begin(SSD1306_SWITCHCAPVCC, 0x3C);  // initialize with the I2C addr 0x3C (for the 128x32)
  // init done
  display.clearDisplay();
  display.display();
  delay(500);
  layout(tick);
  calcMaxTicks();
  
  while(!Serial);
}

void loop() {
  // print the string when a newline arrives:
  if (stringComplete) {
      setFromSerial( inputString );
      
      // clear the string:
      inputString = "";
      stringComplete = false;
  }
  layout(tick++);
  if ( tick > maxticks ) tick = 0;
  delay(500);
}