File content as of revision 0:b50b7e510883:

#include "mbed.h"
#include "N5110.h"
 
#define MAXWIDTH 84
#define MAXHEIGHT 48
 
Timer t;
DigitalOut enable(dp14);
InterruptIn taster(dp1);
 int X=0;int Y=0;
 int x1=90,y1=90,x2,y2;
AnalogIn VRx(dp11);
AnalogIn VRy(dp10);
DigitalIn SW(dp9);
 
N5110 lcd (dp4, dp24, dp23, dp25, dp2, dp6, dp18);
 
void cursor(int x, int y)
{
    for(int i=x; i<=x+2; i++)
     for(int j=y; j<=y+2; j++)
    {lcd.setXYAddress(0,0);
        lcd.setPixel(i,j);
        lcd.refresh();
    }
}
 
void brisi(int x, int y)
{
    for(int i=x; i<=x+2; i++)
     for(int j=y; j<=y+2; j++)
    {
        lcd.clearPixel(i,j);
        lcd.refresh();
    }
}
 
void Lijevo(int &x, int &y)
{
    if(x>0){
        brisi(x,y);
        x=x-1;
        cursor(x,y);
        
    }
}
 
void Desno(int &x, int &y)
{
    if(x<81){
        brisi(x,y);
        x=x+1;
        cursor(x,y);
    }
}
 
void Gore(int &x, int &y)
{
    if(y>0){
        brisi(x,y);
        y=y-1;
        cursor(x,y);
    }
}
 
void Dole(int &x, int &y)
{
    if(y<45){
        brisi(x,y);
        y=y+1;
        cursor(x,y);
    }
}

 void line(int x0,int y0,int x2,int y2)
 {
          
          int dx=x2-x0,dy=y2-y0;
          int p=2*dy-dx,i=dx;
          while(i!=0)
          {
               cursor(x0,y0);
               if(p<0)
               {
                   x0=x0+1;
                   p=p+2*dy;
               }
               else
               {
                   x0=x0+1;
                   y0=y0+1;
                   p=p+2*dy-2*dx;
               }
               if(i>=0) i--;
               else i++;
          }
}

 
static int a =1;
void tacka()
{   
    
    if(t.read_ms() > 400) 
           if(a%2!=0) {x1=X; y1=Y;a++;}
        else{
            x2=X; y2=Y;
          line(x1,y1,x2,y2);
        wait(5);
        lcd.clear();
        lcd.setXYAddress(0,0);
        x1=90; y1=90; lcd.setXYAddress(0,0); X=0; Y=0;a=1; 
        
    }
    t.reset();
}
 
int main(){
  
  enable = 1;
  SW.mode(PullUp);
  t.start();
  lcd.init();
 
  
  lcd.setXYAddress(X,Y);
   cursor(X,Y);
  taster.rise(&tacka);
  while(1){
      if(VRx < 1.0/3.0) Lijevo(X,Y);
      else if(VRx > 2.0/3.0) Desno(X,Y);
 
      if(VRy < 1.0/3.0) Gore(X,Y);
      else if(VRy > 2.0/3.0) Dole(X,Y);
      
      cursor(x1,y1);
      
  }
}