public static bool VLFD_AppFIFOReadData(int iBoard, Span <ushort> Buffer)
{
var p = Marshal.AllocHGlobal(Marshal.SizeOf <ushort>() * Buffer.Length);
var r = NativeExtension.Get().NativeMethods.VLFD_AppFIFOReadData_init(iBoard, p, (uint)Buffer.Length);
unsafe
{
var buf = new Span <ushort>(p.ToPointer(), Buffer.Length);
buf.CopyTo(Buffer);
}
Marshal.FreeHGlobal(p);
return(r);
}
/// <summary>
/// Gets singleton instance of this class.
/// The native extension is loaded when called for the first time.
/// </summary>
public static NativeExtension Get()
{
if (instance == null)
{
lock (staticLock)
{
if (instance == null)
{
instance = new NativeExtension();
}
}
}
return(instance);
}
public static bool VLFD_IO_WriteReadData(int iBoard, Span <ushort> WriteBuffer, Span <ushort> ReadBuffer)
{
var writebufpointer = Marshal.AllocHGlobal(Marshal.SizeOf <ushort>() * WriteBuffer.Length);
var readbufpointer = Marshal.AllocHGlobal(Marshal.SizeOf <ushort>() * ReadBuffer.Length);
unsafe
{
var writebuf = new Span <ushort>(writebufpointer.ToPointer(), WriteBuffer.Length);
WriteBuffer.CopyTo(writebuf);
var readbuf = new Span <ushort>(readbufpointer.ToPointer(), ReadBuffer.Length);
var r = NativeExtension.Get().NativeMethods.VLFD_IO_WriteReadData_init(iBoard, writebufpointer, readbufpointer, (uint)ReadBuffer.Length);
readbuf.CopyTo(ReadBuffer);
Marshal.FreeHGlobal(writebufpointer);
Marshal.FreeHGlobal(readbufpointer);
return(r);
}
}
// Signatures of native methods are generated from a template
// and can be found in NativeMethods.Generated.cs
/// <summary>
/// Gets singleton instance of this class.
/// </summary>
public static NativeMethods Get()
{
return(NativeExtension.Get().NativeMethods);
}
public static string VLFD_GetLastErrorMsg(int iBoard)
{
var p = NativeExtension.Get().NativeMethods.VLFD_GetLastErrorMsg_init(iBoard);
return(Marshal.PtrToStringAnsi(p));
}
public static bool VLFD_IO_Close(int iBoard) => NativeExtension.Get().NativeMethods.VLFD_IO_Close_init(iBoard);
public static bool VLFD_AppChannelSelector(int iBoard, byte channel) => NativeExtension.Get().NativeMethods.VLFD_AppChannelSelector_init(iBoard, channel);
public static bool VLFD_IO_Open(int iBoard, string SerialNO) => NativeExtension.Get().NativeMethods.VLFD_IO_Open_init(iBoard, SerialNO);
public static bool VLFD_ProgramFPGA(int iBoard, string BitFile) => NativeExtension.Get().NativeMethods.VLFD_ProgramFPGA_init(iBoard, BitFile);
