private bool term_requested = false; ///< thread termination flag
#endregion Fields
#region Constructors
//-------------------------------------------------------------------------
/**
Default constructor.
*/
public CanDODevice()
{
// create adapter object
CANdoUSB = new TCANdoUSB();
CANdoUSB.OpenFlag = CLOSED;
// Create a store for CAN receive messages
CANDataBuffer = new TCANdoCAN[CAN_BUFFER_LENGTH]; // Cyclic buffer data
CANBufferControl = new TCANdoCANBufferControl(); // Cyclic buffer control
CANDataType = typeof(TCANdoCAN);
CANDataSize = Marshal.SizeOf(CANDataType);
CANBufferControlType = typeof(TCANdoCANBufferControl);
CANBufferControlSize = Marshal.SizeOf(CANBufferControlType);
CANBufferSize = CANDataBuffer.Length * CANDataSize + CANBufferControlSize;
CANBufferPointer = Marshal.AllocHGlobal(CANBufferSize); // Allocate unmanaged memory for the CAN receive message cyclic buffer
CANBufferControlPointer = (IntPtr)(((int)CANBufferPointer) + CANDataBuffer.Length * CANDataSize);
CANBufferControl.WriteIndex = 0; // Reset cyclic buffer
CANBufferControl.ReadIndex = 0;
CANBufferControl.FullFlag = 0;
Marshal.StructureToPtr(CANBufferControl, CANBufferControlPointer, true); // Update unmanaged memory
// Create a store for status message
CANdoStatus = new TCANdoStatus();
// create reader thread
this.read_thread = new Thread(this.read_messages);
Debug.Assert(read_thread != null);
}
public static extern int CANdoSetBaudRate(
[InAttribute, MarshalAs(UnmanagedType.LPStruct)]
TCANdoUSB CANdoUSBPointer,
byte SJW, byte BRP, byte PHSEG1, byte PHSEG2, byte PROPSEG, byte SAM);
public static extern int CANdoSetMode(
[InAttribute, MarshalAs(UnmanagedType.LPStruct)]
TCANdoUSB CANdoUSBPointer,
byte Mode);
public static extern int CANdoFlushBuffers(
[InAttribute, MarshalAs(UnmanagedType.LPStruct)]
TCANdoUSB CANdoUSBPointer);
public static extern void CANdoClose(
[OutAttribute, MarshalAs(UnmanagedType.LPStruct)]
TCANdoUSB CANdoUSBPointer);
public static extern int CANdoOpen(
[OutAttribute, MarshalAs(UnmanagedType.LPStruct)]
TCANdoUSB CANdoUSBPointer);
public static extern int CANdoRequestStatus(
[InAttribute, MarshalAs(UnmanagedType.LPStruct)]
TCANdoUSB CANdoUSBPointer);
public static extern int CANdoReceive(
[InAttribute, MarshalAs(UnmanagedType.LPStruct)]
TCANdoUSB CANdoUSBPointer,
IntPtr CANdoCANBufferPointer,
[OutAttribute, MarshalAs(UnmanagedType.LPStruct)]
TCANdoStatus CANdoStatusPointer);
