internal void OnDaisyLinkInterrupt(DaisyLinkModule sender)
{
DebugPrint("DaisyLink Module on socket " + sender.daisylink.Socket + " in position " + sender.PositionOnChain + " of " + sender.LengthOfChain + " has raised its interrupt.");
if (onDaisyLinkInterrupt == null)
{
onDaisyLinkInterrupt = new DaisyLinkInterruptEventHandler(OnDaisyLinkInterrupt);
}
if (Program.CheckAndInvoke(DaisyLinkInterrupt, onDaisyLinkInterrupt, sender))
{
DaisyLinkInterrupt(sender);
}
}
private DaisyLink(Socket socket, DaisyLinkModule module)
{
Ready = false;
this.Socket = socket;
this.ReservedCount = 0;
this.NodeCount = 0;
daisyLinkBus = I2CBusFactory.Create(socket, defaultI2cAddress, 10, i2cDataPin, i2cClockPin, module);
// The link pin (port) is initialized as an input. It is only driven during initialization of the daisylinked modules.
daisyLinkResetPort = DigitalIOFactory.Create(socket, daisyLinkPin, false, GlitchFilterMode.Off, ResistorMode.PullUp, module);
daisyLinkInterruptPort = null;
}
private DaisyLink(Socket socket, DaisyLinkModule module) : base(socket, i2cDataPin, i2cClockPin, module)
{
Ready = false;
this.Socket = socket;
this.ReservedCount = 0;
this.NodeCount = 0;
// The link pin (port) is initialized as an input. It is only driven during initialization of the daisylinked modules.
// Setting the initial state to false insures that the pin will always drive low when Active is set to true.
daisyLinkCpuPin = socket.ReservePin(daisyLinkPin, module);
daisyLinkResetPort = new TristatePort(daisyLinkCpuPin, false, false, Port.ResistorMode.PullUp);
daisyLinkInterruptPort = null;
}
/// <summary>
/// Returns the DaisyLink instance for a given DaisyLink compatible socket.
/// If this is the first call to this method for a given socket, it creates a new DaisyLink instance,
/// which causes the chain to be initialised using the DaisyLink protocol.
/// </summary>
/// <param name="socket">The socket where the DaisyLink chain of modules is plugged in.</param>
/// <param name="module">The daisylink module.</param>
/// <returns>The DaisyLink instance for that socket</returns>
public static DaisyLink GetDaisyLinkForSocket(Socket socket, DaisyLinkModule module)
{
lock (portLock)
{
for (int i = 0; i < daisyLinkList.Count; i++)
{
if (((DaisyLink)daisyLinkList[i]).Socket == socket)
{
return((DaisyLink)daisyLinkList[i]);
}
}
DaisyLink daisylink;
daisylink = new DaisyLink(socket, module);
daisyLinkList.Add(daisylink);
daisylink.Initialize();
return(daisylink);
}
}
/// <summary>
/// Returns the DaisyLink instance for a given DaisyLink compatible socket.
/// If this is the first call to this method for a given socket, it creates a new DaisyLink instance,
/// which causes the chain to be initialised using the DaisyLink protocol.
/// </summary>
/// <param name="socket">The socket where the DaisyLink chain of modules is plugged in.</param>
/// <param name="module">The daisylink module.</param>
/// <returns>The DaisyLink instance for that socket</returns>
public static DaisyLink GetDaisyLinkForSocket(Socket socket, DaisyLinkModule module)
{
lock (portLock)
{
foreach (DaisyLink dl in daisyLinkList)
{
if (dl.Socket == socket)
{
return(dl);
}
}
DaisyLink daisylink;
daisylink = new DaisyLink(socket, module);
daisyLinkList.Add(daisylink);
daisylink.Initialize();
return(daisylink);
}
}
/// <summary>
/// Reserves the next node address on this DaisyLink chain.
/// </summary>
/// <returns>The I2C address of the next node on this DaisyLink chain.</returns>
/// <exception cref="System.Exception">The chain is empty, or there is no more space on the chain for another node.</exception>
internal byte ReserveNextDaisyLinkNodeAddress(DaisyLinkModule moduleInstance)
{
lock (portLock)
{
if (ReservedCount >= this.NodeCount)
{
if (this.NodeCount == 0)
{
throw new ApplicationException("No DaisyLink modules are detected on socket " + Socket);
}
else
{
throw new ApplicationException("Attempting to initialize " + (ReservedCount + 1) + " modules on socket " + Socket + " but only " + NodeCount + " modules were found.");
}
}
this.socketModuleList[ReservedCount] = moduleInstance;
byte ret = (byte)(this.StartAddress + ReservedCount);
this.ReservedCount++;
return(ret);
}
}
private DaisyLink(Socket socket, DaisyLinkModule module)
{
Ready = false;
this.Socket = socket;
this.ReservedCount = 0;
this.NodeCount = 0;
daisyLinkBus = I2CBusFactory.Create(socket, defaultI2cAddress, 10, i2cDataPin, i2cClockPin, module);
// The link pin (port) is initialized as an input. It is only driven during initialization of the daisylinked modules.
daisyLinkResetPort = DigitalIOFactory.Create(socket, daisyLinkPin, false, GlitchFilterMode.Off, ResistorMode.PullUp, module);
daisyLinkInterruptPort = null;
}
/// <summary>
/// Reserves the next node address on this DaisyLink chain.
/// </summary>
/// <returns>The I2C address of the next node on this DaisyLink chain.</returns>
/// <exception cref="System.Exception">The chain is empty, or there is no more space on the chain for another node.</exception>
internal byte ReserveNextDaisyLinkNodeAddress(DaisyLinkModule moduleInstance)
{
lock (portLock)
{
if (ReservedCount >= this.NodeCount)
{
if (this.NodeCount == 0)
{
throw new ApplicationException("No DaisyLink modules are detected on socket " + Socket);
}
else
{
throw new ApplicationException("Attempting to initialize " + (ReservedCount + 1) + " modules on socket " + Socket + " but only " + NodeCount + " modules were found.");
}
}
this.socketModuleList[ReservedCount] = moduleInstance;
byte ret = (byte)(this.StartAddress + ReservedCount);
this.ReservedCount++;
return ret;
}
}
/// <summary>
/// Returns the DaisyLink instance for a given DaisyLink compatible socket.
/// If this is the first call to this method for a given socket, it creates a new DaisyLink instance,
/// which causes the chain to be initialised using the DaisyLink protocol.
/// </summary>
/// <param name="socket">The socket where the DaisyLink chain of modules is plugged in.</param>
/// <param name="module">The daisylink module.</param>
/// <returns>The DaisyLink instance for that socket</returns>
public static DaisyLink GetDaisyLinkForSocket(Socket socket, DaisyLinkModule module)
{
lock (portLock)
{
for (int i = 0; i < daisyLinkList.Count; i++)
{
if (((DaisyLink)daisyLinkList[i]).Socket == socket)
return (DaisyLink)daisyLinkList[i];
}
DaisyLink daisylink;
daisylink = new DaisyLink(socket, module);
daisyLinkList.Add(daisylink);
daisylink.Initialize();
return daisylink;
}
}
internal void OnDaisyLinkInterrupt(DaisyLinkModule sender)
{
DebugPrint("DaisyLink Module on socket " + sender.daisylink.Socket + " in position " + sender.PositionOnChain + " of " + sender.LengthOfChain + " has raised its interrupt.");
if (onDaisyLinkInterrupt == null) onDaisyLinkInterrupt = new DaisyLinkInterruptEventHandler(OnDaisyLinkInterrupt);
if (Program.CheckAndInvoke(DaisyLinkInterrupt, onDaisyLinkInterrupt, sender))
{
DaisyLinkInterrupt(sender);
}
}
private DaisyLink(Socket socket, DaisyLinkModule module)
: base(socket, i2cDataPin, i2cClockPin, module)
{
Ready = false;
this.Socket = socket;
this.ReservedCount = 0;
this.NodeCount = 0;
// The link pin (port) is initialized as an input. It is only driven during initialization of the daisylinked modules.
// Setting the initial state to false insures that the pin will always drive low when Active is set to true.
//daisyLinkCpuPin = socket.ReservePin(daisyLinkPin, module);
daisyLinkResetPort = new GTI.DigitalIO(socket, daisyLinkPin, false, GTI.GlitchFilterMode.Off, GTI.ResistorMode.PullUp, module);
daisyLinkInterruptPort = null;
}
/// <summary>
/// Returns the DaisyLink instance for a given DaisyLink compatible socket.
/// If this is the first call to this method for a given socket, it creates a new DaisyLink instance,
/// which causes the chain to be initialised using the DaisyLink protocol.
/// </summary>
/// <param name="socket">The socket where the DaisyLink chain of modules is plugged in.</param>
/// <param name="module">The daisylink module.</param>
/// <returns>The DaisyLink instance for that socket</returns>
public static DaisyLink GetDaisyLinkForSocket(Socket socket, DaisyLinkModule module)
{
lock (portLock)
{
foreach (DaisyLink dl in daisyLinkList)
{
if (dl.Socket == socket)
{
return dl;
}
}
DaisyLink daisylink;
daisylink = new DaisyLink(socket, module);
daisyLinkList.Add(daisylink);
daisylink.Initialize();
return daisylink;
}
}
