int main()
{
static int i;
select: printf("Please select device:\n0.KeyBoard\n1.Mouse\n2.TouchScreen\n3.TouchPancel\n");
scanf("%d",&i);
switch(i){
case 0:
test_key();
break;
case 1:
test_mouse();
break;
case 2:
test_touch_screen();
break;
case 3:
test_touch_pancel();
break;
default:
printf("Wrong device, Please select again!\n\n");
break;
}
goto select;
return 0;
}