public static ushort ReadWordUsingByteBigEndian(this IBytePeripheral peripheral, long address)
{
unchecked
{
return((ushort)(peripheral.ReadByte(address + 1) | peripheral.ReadByte(address) << 8));
}
}
public static void WriteWordUsingByteBigEndian(this IBytePeripheral peripheral, long address, ushort value)
{
unchecked
{
peripheral.WriteByte(address, (byte)(value >> 8));
peripheral.WriteByte(address + 1, (byte)value);
}
}
public static uint ReadDoubleWordUsingByteBigEndian(this IBytePeripheral peripheral, long address)
{
unchecked
{
return((uint)
(peripheral.ReadByte(address + 3) | peripheral.ReadByte(address + 2) << 8
| peripheral.ReadByte(address + 1) << 16 | peripheral.ReadByte(address) << 24));
}
}
public static void WriteDoubleWordUsingByte(this IBytePeripheral peripheral, long address, uint value)
{
unchecked
{
peripheral.WriteByte(address + 3, (byte)(value >> 24));
peripheral.WriteByte(address + 2, (byte)(value >> 16));
peripheral.WriteByte(address + 1, (byte)(value >> 8));
peripheral.WriteByte(address, (byte)value);
}
}
public virtual void Register(IBytePeripheral peripheral, NumberRegistrationPoint <int> registrationPoint)
{
if (children.ContainsKey(registrationPoint.Address))
{
throw new RegistrationException("The specified registration point is already in use.");
}
if (!(peripheral is OpenCoresI2C))
{
throw new RegistrationException("The FFE Wishbone interface supports the OpenCoresI2C controller only");
}
children.Add(registrationPoint.Address, peripheral);
machine.RegisterAsAChildOf(this, peripheral, registrationPoint);
}
public virtual void Unregister(IBytePeripheral peripheral)
{
var toRemove = children.Where(x => x.Value.Equals(peripheral)).Select(x => x.Key).ToList();
if (toRemove.Count == 0)
{
throw new RegistrationException("The specified peripheral was never registered.");
}
foreach (var key in toRemove)
{
children.Remove(key);
}
machine.UnregisterAsAChildOf(this, peripheral);
}
public void Unregister(IBytePeripheral peripheral)
{
}
public void Register(IBytePeripheral peripheral, DoublePointRegistration registrationPoint)
{
}
public IEnumerable <NumberRegistrationPoint <int> > GetRegistrationPoints(IBytePeripheral peripheral)
{
return(children.Keys.Select(x => new NumberRegistrationPoint <int>(x)));
}
