File content as of revision 0:506531d0531c:

#include "mbed.h"
#include "ultrasonic.h"
#include "N5110.h"

// rows,cols
int sprite[8][5] = {
{ 0,0,1,0,0 },
{ 0,1,1,1,0 },
{ 0,0,1,0,0 },
{ 0,1,1,1,0 },
{ 1,1,1,1,1 },
{ 1,1,1,1,1 },
{ 1,1,0,1,1 },
{ 1,1,0,1,1 },
};

// VCC,SCE,RST,D/C,MOSI,SCLK,LED
N5110 lcd(PTC9,PTC0,PTC7,PTD2,PTD1,PTC11); //Set LCD Pins

ultrasonic mu(PTA0, PTD0, .1, 1);    //Set the trigger pin to PTA0 and the echo pin to PTD0
                                        //have updates every .1 seconds and a timeout after 1
                                        //second, and call dist when the distance changes

int main()
{
    // initialise lcd
    lcd.init();
    
    // set lcd contrast
    lcd.setContrast(0.4);
    lcd.clear();
    
    mu.startUpdates();//start mesuring the distance
    while(1)
    {
        // x origin, y origin, rows, cols, sprite
        lcd.drawSprite(20,6,8,5,(int *)sprite);
        lcd.refresh();
        wait(5.0);
        
        mu.checkDistance();     //call checkDistance() as much as possible, as this is where
                                //the class checks if dist needs to be called.
               
        if (distance > 1000){ // check if somebody is infront of the sensor <--- needs resolving
        lcd.clear(); // if nobody present then clear screen and turn backlight off
        lcd.setBrightness(0.0);
        printf("sleep"); // print sleep for debugging
        }
    }
}