public DirectedGraphNode Add(BusSlave slave, string ownerName = null)
{
if (!Visit(slave) ||
(!slave.IsConnected && !DisplayUnconnected))
{
return(FindNode(slave));
}
var node = AddNode <BusSlave>(slave.Name, ownerName, SafeNetName(slave));
SetNodeMap(slave, node);
if (DisplayValues)
{
node.Description = slave.Value.ToString();
}
if (slave.IsConnected)
{
Add(slave.Bus);
var bid = _idBuilder.NewId <Bus>(slave.Bus.Name);
_dgmlBuilder.AddLink(node.Id, bid);
}
return(node);
}
public OutputPort(string name)
{
Name = name;
_portEnable = new DigitalSignalConsumer("PE");
_portEnable.OnChanged += PortEnable_OnChanged;
_busSlave = new BusSlave(name + "-Input");
}
public static BusMaster <T> CreateConnection <T>(this BusSlave <T> slave, string busName = null)
where T : BusData, new()
{
var bus = slave.GetOrAddBus(busName);
return(new BusMaster <T>(bus, busName));
}
private static Bus <T> Connect <T>(BusMaster <T> master, BusSlave <T> slave, string busName = null)
where T : BusData, new()
{
if (master.IsConnected && slave.IsConnected)
{
if (master.Bus != slave.Bus)
{
throw new InvalidOperationException("Both Master and Slave are already connected to different buses.");
}
return(master.Bus);
}
Bus <T> bus = null;
if (master.IsConnected)
{
bus = master.Bus;
slave.ConnectTo(bus);
}
else if (slave.IsConnected)
{
bus = slave.Bus;
master.ConnectTo(bus);
}
return(bus);
}
public void Unconnected_ReadValue_DoesNotThrow()
{
var uut = new BusSlave <BusData8>();
Action test = () => { var l = uut.Value; };
test.ShouldNotThrow();
}
private string SafeNetName(BusSlave slave)
{
if (slave == null || !slave.IsConnected)
{
return(null);
}
return(slave.Bus.Name);
}
public BusSlave AddBusInput(string name = null)
{
var slave = new BusSlave(name);
_busInputs.Add(slave);
return(slave);
}
public void Connected_AllLevelsAreFloating()
{
var uut = new BusSlave <BusData8>();
var bus = new Bus <BusData8>();
uut.ConnectTo(bus);
uut.Value.AssertAllLevelsAre(DigitalLevel.Floating);
}
public void TestInitialize()
{
_uut = new InputPort();
_uut.DataBuffer.Write(new byte[] { Value, Value2 });
_portEnable = _uut.PortEnable.CreateConnection();
var outputBus = new Bus(8);
_uut.Output.ConnectTo(outputBus);
_output = new BusSlave(outputBus);
}
public static BusMaster <T> CreateConnection <T>(this BusSlave <T> slave, string busName = null)
where T : BusData, new()
{
var master = new BusMaster <T>();
var bus = new Bus <T>(busName);
slave.ConnectTo(bus);
master.ConnectTo(bus);
return(master);
}
public Memory()
{
ChipEnable = new DigitalSignalConsumer("CE");
Address = new BusSlave <AddressT>("Address");
Data = new BusMasterSlave <DataT>("Data");
ChipEnable.OnChanged += ChipEnable_OnChanged;
Address.OnChanged += Address_OnChanged;
Data.Slave.OnChanged += DataIn_OnChanged;
long length = (long)Math.Pow(2, Address.Value.Width);
_memory = new DataT[length];
}
public static Bus GetOrAddBus(this BusSlave slave, string busName = null)
{
Bus bus;
if (!slave.IsConnected)
{
bus = new Bus(slave.Value.Width, busName);
slave.ConnectTo(bus);
}
else
{
bus = slave.Bus;
}
return(bus);
}
public void Write_SingleMaster_SlaveSeesChanges()
{
var master = new BusMaster <BusData8>();
var slave = new BusSlave <BusData8>();
var bus = new Bus <BusData8>();
master.ConnectTo(bus);
slave.ConnectTo(bus);
master.IsEnabled = true;
var newValue = new BusData8(0);
master.Write(newValue);
slave.Value.AssertAllLevelsAre(DigitalLevel.Low);
}
public static Bus <T> GetOrAddBus <T>(this BusSlave <T> slave, string busName = null)
where T : BusData, new()
{
Bus <T> bus;
if (!slave.IsConnected)
{
bus = new Bus <T>(busName);
slave.ConnectTo(bus);
}
else
{
bus = slave.Bus;
}
return(bus);
}
public static Bus <T> ConnectTo <T>(this BusMaster <T> master, BusSlave <T> slave, string busName = null)
where T : BusData, new()
{
Bus <T> bus = Connect(master, slave, busName);
if (bus == null)
{
if (busName == null)
{
busName = master.Name;
}
bus = master.GetOrAddBus(busName);
slave.ConnectTo(bus);
}
return(bus);
}
public BusDecoder()
{
Output = new DigitalSignalProvider("BusDecoder Output");
_busSlave = new BusSlave("BusDecoder Input");
_busSlave.OnChanged += Bus_OnChanged;
}
public OutputPort()
{
_portEnable = new DigitalSignalConsumer("PE");
_portEnable.OnChanged += PortEnable_OnChanged;
_busSlave = new BusSlave("OutputPort Input");
}
public static BusMaster CreateConnection(this BusSlave slave, string busName = null)
{
var bus = slave.GetOrAddBus(busName);
return(new BusMaster(bus, busName));
}
