File content as of revision 2:a488caea1601:

#include "mbed.h"
#include "N5110.h"
#include "Gamepad.h"

// CREATE OBJECTS //
N5110 lcd(PTC9,PTC0,PTC7,PTD2,PTD1,PTC11);
Gamepad pad;

// FUNCTION PROTOTYPES //
void init();
void difficultyOptions();
void colourOptions();


int main()
{
    init(); // initialise devices
    
    printf("Devices initialised \n");
    
    int selected = 0;
    
    while(1) {
        
        // printf("While loop 1 \n");
        // printf("Selected = %i \n", selected);
        switch (selected) {
                
            case 1:
                
                lcd.clear();
                // displays options page with indicator on first
                lcd.printString("Game Options:", 0, 0);
                lcd.printString(">Difficulty", 0, 2);
                lcd.printString(" Ball Colour", 0, 3);
                lcd.refresh();
                
                if (pad.check_event(Gamepad::A_PRESSED) ||
                    pad.check_event(Gamepad::JOY_PRESSED)){
                    
                    difficultyOptions();
                }
                
                wait_ms(250);
                
                break;
                
            case 2:
                
                lcd.clear();
                // displays options page with indicator on second
                lcd.printString("Game Options:", 0, 0);
                lcd.printString(" Difficulty", 0, 2);
                lcd.printString(">Ball Colour", 0, 3);
                lcd.refresh();
                
                // if second option selected
                if (pad.check_event(Gamepad::A_PRESSED) ||
                    pad.check_event(Gamepad::JOY_PRESSED)){
                    
                    colourOptions();
                }
                
                wait_ms(250);
                
                break;
                
            default:
                
                selected = 1;
                
                break;
        }
        
        char d = pad.get_direction();
        
        if ((d == NW) ||
            (d == N)  ||
            (d == NE)){
            
            selected -= 1;
        }
        
        if ((d == SW) ||
            (d == S)  ||
            (d == SE)){
            
            selected += 1;
        }
        
        if (pad.check_event(Gamepad::Y_PRESSED)){
            
            selected -= 1;
        }
        
        if (pad.check_event(Gamepad::X_PRESSED)){
            
            selected += 1;
        }
        
    }
}


void init()
{
    lcd.init();
    pad.init();
}

void difficultyOptions()
{
    int selected = 0;
    int exit = 0;
    
    while(exit == 0){
        
        switch(selected){
                
            case 1:
                
                lcd.clear();
                lcd.printString("Difficulty: ", 0, 0);
                lcd.printString(">Easy", 0, 2);
                lcd.printString(" Hard", 0, 3);
                lcd.refresh();
                
                if (pad.check_event(Gamepad::A_PRESSED) ||
                    pad.check_event(Gamepad::JOY_PRESSED)){
                    
                    // maze.mazeIndex = 0;
                    lcd.clear();
                    lcd.printString("Easy mode", 0, 1);
                    lcd.refresh();
                    wait(2);
                }
                
                break;
                
            case 2:
                
                lcd.clear();
                lcd.printString("Difficulty: ", 0, 0);
                lcd.printString(" Easy", 0, 2);
                lcd.printString(">Hard", 0, 3);
                lcd.refresh();
                
                if (pad.check_event(Gamepad::A_PRESSED) ||
                    pad.check_event(Gamepad::JOY_PRESSED)){
                    
                    // maze.mazeIndex = 1;
                    lcd.clear();
                    lcd.printString("Hard mode", 0, 1);
                    lcd.refresh();
                    wait(2);
                }
                
                break;
                
            default:
                
                selected = 1;
                
                break;
                
        }
        char d = pad.get_direction();
        
        if ((d == NW) ||
            (d == N)  ||
            (d == NE)){
            
            selected -= 1;
        }
        
        if ((d == SW) ||
            (d == S)  ||
            (d == SE)){
            
            selected += 1;
        }

        
        if (pad.check_event(Gamepad::BACK_PRESSED)){
            
            exit = 1;
        }
        
    }
}

void colourOptions()
{
    int selected = 0;
    int exit = 0;
    while(exit == 0){
        
        switch(selected){
                
            case 1:
                
                printf("case 2.1");
                
                lcd.clear();
                lcd.printString("Ball colour: ", 0, 0);
                lcd.printString(">Transparent", 0, 2);
                lcd.printString(" Solid", 0, 3);
                lcd.refresh();
                
                if (pad.check_event(Gamepad::A_PRESSED) ||
                    pad.check_event(Gamepad::JOY_PRESSED)){
                    
                    // ball.ballColour = 0;
                    lcd.clear();
                    lcd.printString("Transparent", 0, 1);
                    lcd.refresh();
                    wait(2);
                }
                
                break;
                
            case 2:
                
                printf("case 2.2");
                
                lcd.clear();
                lcd.printString("Ball colour: ", 0, 0);
                lcd.printString(" Transparent", 0, 2);
                lcd.printString(">Solid", 0, 3);
                lcd.refresh();
                
                if (pad.check_event(Gamepad::A_PRESSED) ||
                    pad.check_event(Gamepad::JOY_PRESSED)){
                    
                    // ball.ballColour = 1;
                    lcd.clear();
                    lcd.printString("Solid", 0, 1);
                    lcd.refresh();
                    wait(2);
                }
                
                break;
                
            default:
                
                selected = 1;
                
                break;
        }
        
        char d = pad.get_direction();
        
        if ((d == NW) ||
            (d == N)  ||
            (d == NE)){
            
            selected -= 1;
        }
        
        if ((d == SW) ||
            (d == S)  ||
            (d == SE)){
            
            selected += 1;
        }
        
        if (pad.check_event(Gamepad::BACK_PRESSED)){
            
            exit = 1;
        }
    }
    
}