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 Connected_AllLevelsAreFloating()
{
var uut = new BusSlave <BusData8>();
var bus = new Bus <BusData8>();
uut.ConnectTo(bus);
uut.Value.AssertAllLevelsAre(DigitalLevel.Floating);
}
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 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 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 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 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);
}
