/// <summary>
///
/// </summary>
/// <param name="queue"></param>
/// <param name="msgInPacket"></param>
/// <param name="buffer"></param>
/// <param name="size"></param>
internal static void QueueToMsgPacket(SafeQueue <CanMessage> queue, int msgInPacket, out byte[] buffer, out int size)
{
int items = queue.Count;
CanMessage[] frames;
if (items != 0)
{
if (items > msgInPacket)
{
frames = new CanMessage[msgInPacket];
for (int i = 0; i < msgInPacket; i++)
{
frames[i] = queue.Dequeue();
}
}
else
{
frames = new CanMessage[items];
for (int i = 0; i < items; i++)
{
frames[i] = queue.Dequeue();
}
}
buffer = new byte[64];
CanMessage.CanFramesToMsgPacket(frames, buffer, out size);
}
else
{
buffer = new byte[0];
size = 0;
}
}
/// <summary>
/// Reading a specified number of messages in the frame buffer.
/// </summary>
/// <param name="frames">Frame buffer that will receive the data read from the queue.</param>
/// <param name="offset">Frame offset within the buffer at which to begin writing the data received.</param>
/// <param name="length">Length of the data to transfer.</param>
/// <returns>The number of frames read from the pipe.</returns>
public int Read(CanMessage[] frames, int offset, int length)
{
if (!IsConnected)
{
throw new CanAdapterException("Adapter is Disconnected. Code:-8604."); //Doc
}
if (!_isOpen)
{
throw new CanAdapterException("Bus is Closed. Code:-8605."); //Doc
}
if (frames == null)
{
throw new ArgumentNullException("Frame Buffer cannot be null. Code:-8606."); //Doc
}
for (int i = 0; i < length; i++)
{
frames[i + offset] = IncomingMsgQueue.Dequeue();
}
return(length);
}
