File content as of revision 0:2e5a51003afe:

/****************************
* A LCD-based snake game.   *
*****************************/
#include "mbed.h"
#include "C12832_lcd.h"
#include <math.h>
#include <iostream>
#include <string>
#include <sstream>
#include <stdio.h>

using namespace std;

// 40 * 32 -> 5 Byte * 32
// LCD controll class
class Screen{
public:
    void init(); // Initial the screen data
    void generate_lcd();    // Generate lcd data from raw screen data
    void write_to_screen(); // Write the screen data to 
};

class SnakeControll{
public:
    int point;
    void init();    // Initial the game status
    int direction;  // Direction list:
                    //      0 - left
                    //      1 - right
                    //      2 - up
                    //      3 - down
    int step();
    void set_direction(int d);
    void generate_food();
    string get_gamedata();  // Return a json string
private:
    string num2str(int num);
    string pos2str(int x, int y);
};