File content as of revision 1:25a839625a1e:

///////// pre-processor directives ////////
#include "mbed.h"
#include "Gamepad.h"
#include "N5110.h"
#include "PongEngine.h"

#define PADDLE_WIDTH 2
#define PADDLE_HEIGHT 10
#define BALL_RADIUS 2
#define BALL_SPEED 3

/////////////// structs /////////////////
struct UserInput {
    Direction d;
    float mag;
};
/////////////// objects ///////////////
N5110 lcd(PTC9,PTC0,PTC7,PTD2,PTD1,PTC11);
Gamepad pad;
PongEngine pong;
///////////// prototypes ///////////////
void init();
void update_game(UserInput input);
void render();
///////////// functions ////////////////
int main()
{
    int fps = 8;

    init();
    
    render();  // draw initial frame 
    wait(1.0f/fps);

    while (1) {
        pong.read_input(pad);
        pong.update(pad);
        render();
        wait(1.0f/fps);
    }
}

void init()
{
    lcd.init();
    pad.init();
    
    float rand1 = pad.read_pot();
    Vector2D rand2 = pad.get_coord();
    int seed = int(1.0e6f*(rand1 + (rand2.x/rand2.y)));
    // create some random number from ADC pins to use in srand
    
    pong.init(PADDLE_WIDTH,PADDLE_HEIGHT,BALL_RADIUS,BALL_SPEED,seed);

}

void render()
{
    lcd.clear();  // clear screen, re-draw and refresh
    pong.draw(lcd);
    lcd.refresh();
}