int
main()
{
A* obj = jnew D();
obj->foo();
B* b = dynamic_cast<B*>(obj);
b->foo();
D* d = dynamic_cast<D*>(obj);
d->foo();
t1.Listen(&t3);
t2.Listen(&t3);
JOrderedSetT::Sorted msg;
t3.Bcast(msg);
Test* t4 = &t1;
std::cout << t4 << std::endl;
clearPointer((void*) &t4);
std::cout << t4 << std::endl;
return 0;
}
void
GPIOEIntHandler(void)
{
// Method for handling directional pad interrupts. The left and right
// buttons allow the user to move the alphabet cursor left and right. This
// behavior is handled here.
// Clear the GPIO interrupt
GPIOPinIntClear(GPIO_PORTE_BASE, GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_3);
// Disable Interrupts
GPIOPinIntDisable(GPIO_PORTE_BASE, GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_3);
if (state==0){
while(GPIOPinRead(GPIO_PORTE_BASE, GPIO_PIN_0)==0 ||
GPIOPinRead(GPIO_PORTE_BASE, GPIO_PIN_1)==0){
// Increment the counter
x++;
if (x>19999){
if (GPIOPinRead(GPIO_PORTE_BASE, GPIO_PIN_0)==0){
if (pointer!=0){
clearPointer(50+(pointer*10));
pointer--;
drawPointer(50+(pointer*10));
}
x = 0;
break;
}
if (GPIOPinRead(GPIO_PORTE_BASE, GPIO_PIN_1)==0){
if (pointer!=3){
clearPointer(50+(pointer*10));
pointer++;
drawPointer(50+(pointer*10));
}
x = 0;
break;
}
}
}
x = 0;
}
else if (state==1 || state==3){
// Count to 15000 so that we don't move the cursor too fast
while(GPIOPinRead(GPIO_PORTE_BASE, GPIO_PIN_2)==0 ||
GPIOPinRead(GPIO_PORTE_BASE, GPIO_PIN_3)==0){
// Increment the counter
x++;
if (x>14999){
// Check to see which button was pressed
if (GPIOPinRead(GPIO_PORTE_BASE, GPIO_PIN_2)==0){
// Check if the cursor is not in the original position on the
// top row. If it is, we do nothing
if (position>0){
// Check if the cursor is not in the original position on
// the bottom row
if (position2>0){
// Move the cursor one spot to the left
position2--;
}
else {
// Move the cursor one spot to the left
position--;
}
}
}
else if (GPIOPinRead(GPIO_PORTE_BASE, GPIO_PIN_3)==0){
// Check if the cursor is at the last possible position on the
// bottom row. If it is, we do nothing
if (position2<12){
// Check if the cursor is at the last spot on the top row
if (position<13){
// Move the cursor one spot to the right
position++;
}
else {
// Move the cursor one spot to the right
position2++;
}
}
}
// Update the position of the cursor
moveCursor();
break;
}
}
x = 0;
}
// Enable Interrupts
GPIOPinIntEnable(GPIO_PORTE_BASE, GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_3);
}
