private static void SynchroSend(object sfc_object)
{
var sfc = sfc_object as ApplicationLayerProtocol;
//字节小于7个
if (sfc.A_Data.Count <= 7)
{
SemaphorePool.Wait();
List <byte> sendData = new List <byte> {
};
sendData.AddRange(NetworkLayerDataBuffer.SetSingleFrame(sfc.A_Data.Count));
sendData.AddRange(sfc.A_Data);
DataLinkLayer.ActionDllSendFuc(ConvertToCANFrame(sfc.Address, sendData));
SemaphorePool.Release();
}
else
{
BufferMultiFrameSend.ListNetLayerByteData = sfc.A_Data;
BufferMultiFrameSend.nID = sfc.Address;
#region 设置所有参数 重置参数
BufferMultiFrameSend.RemainFrameCount = 1; // 发送首帧
BufferMultiFrameSend.Offset = 0;
BufferMultiFrameSend.ExpectedSN = 0;
#endregion
ThreadPool.QueueUserWorkItem(NetworkLayerSendMultiFrame);
}
}
private void PCT_FlowControl(DataLayerEvent _event)
{
switch (NetworkLayerDataBuffer.GetFS_DLSign(_event.listData))
{
case FlowControlType.ContinueToSend:
BufferMultiFrameReceive.MinInterval = _event.listData[2];
if (BufferMultiFrameReceive.MinInterval >= 0x80 && BufferMultiFrameReceive.MinInterval <= 0xF0 || BufferMultiFrameReceive.MinInterval >= 0xFA)
{
BufferMultiFrameReceive.MinInterval = 0x7F;
}
BufferMultiFrameSend.RemainFrameCount = _event.listData[1];
ThreadPool.QueueUserWorkItem(NetworkLayerSendMultiFrame);
break;
case FlowControlType.Wait:
//StopTimer();
//停止发送定时器
break;
case FlowControlType.Overflow:
BufferMultiFrameSend.ClearMessage();
return;
default:
BufferMultiFrameSend.ClearMessage();
break;
}
}
private void ReceiveConsecutiveFrame(DataLayerEvent _event)
{
if (BufferMultiFrameReceive.ExpectedSN != NetworkLayerDataBuffer.GetSN_DLSign(_event.listData))
{
return;
}
if (BufferMultiFrameReceive.ListNetLayerByteData.Count > BufferMultiFrameReceive.Offset)
{
BufferMultiFrameReceive.ExpectedSN = (byte)((BufferMultiFrameReceive.ExpectedSN + 1) % 0x10);
int nReceiveLength = System.Math.Min(7, BufferMultiFrameReceive.ListNetLayerByteData.Count - BufferMultiFrameReceive.Offset);
for (int i = 0; i != nReceiveLength; ++i)
{
if (BufferMultiFrameReceive.Offset + i <= BufferMultiFrameReceive.ListNetLayerByteData.Count)
{
BufferMultiFrameReceive.ListNetLayerByteData[(int)(BufferMultiFrameReceive.Offset + i)] = _event.listData[(int)(i + 1)];
}
}
BufferMultiFrameReceive.Offset += nReceiveLength;
--BufferMultiFrameReceive.RemainFrameCount;
if (BufferMultiFrameReceive.Offset > BufferMultiFrameReceive.ListNetLayerByteData.Count)
{
BufferMultiFrameReceive.ClearMessage();
}
else
{
if (BufferMultiFrameReceive.RemainFrameCount <= 0)
{
ActionRecvFun(BufferMultiFrameReceive);
}
}
}
}
private void ReceiveSingleFrame(DataLayerEvent _event)
{
BufferMultiFrameReceive.nID = _event.ID;
BufferMultiFrameReceive.DataLen = NetworkLayerDataBuffer.GetSF_DLSign(_event.listData);
if (BufferMultiFrameReceive.DataLen == 0 || BufferMultiFrameReceive.DataLen > 7)
{
return;
}
int nnDataIndex = 1;
BufferMultiFrameReceive.ListNetLayerByteData.Clear();
BufferMultiFrameReceive.ListNetLayerByteData = new List <byte>(new byte[BufferMultiFrameReceive.DataLen]);
for (int i = (int)nnDataIndex; i != BufferMultiFrameReceive.DataLen + 1; ++i)
{
BufferMultiFrameReceive.ListNetLayerByteData[(int)(i - nnDataIndex)] = _event.listData[i];
}
ActionRecvFun(BufferMultiFrameReceive);
}
private void ReceiveFirstFrame(DataLayerEvent _event)
{
BufferMultiFrameReceive.nID = _event.ID;
BufferMultiFrameReceive.DataLen = NetworkLayerDataBuffer.GetFF_DLSign(_event.listData);
if (BufferMultiFrameReceive.DataLen < 8)
{
return;
}
int nDataIndex = 2;
BufferMultiFrameReceive.ListNetLayerByteData.Clear();
BufferMultiFrameReceive.ListNetLayerByteData = new List <byte>(new byte[BufferMultiFrameReceive.DataLen]);
for (int i = nDataIndex; i != 8; ++i)
{
BufferMultiFrameReceive.ListNetLayerByteData[(int)(i - nDataIndex)] = _event.listData[i];
}
int nCount = 0;
if ((BufferMultiFrameReceive.DataLen - 6) / 7 == 0)
{
nCount = (BufferMultiFrameReceive.DataLen - 6) / 7;
}
else
{
nCount = (BufferMultiFrameReceive.DataLen - 6) / 7 + 1;
}
BufferMultiFrameReceive.Offset = 6;
BufferMultiFrameReceive.ProCtrlType = ProtocolCtrlType.FlowControl;
BufferMultiFrameReceive.RemainFrameCount = nCount;
BufferMultiFrameReceive.ExpectedSN = 1;
DataLinkLayer.ActionDllSendFuc(BufferMultiFrameReceive.SendFlowControl());
}
public void DisposeReceivedFrame(DataLayerEvent _event)
{
switch ((ProtocolCtrlType)NetworkLayerDataBuffer.GetHeadSign(_event.listData))
{
case ProtocolCtrlType.SingleFrame: //如果接收到的是单帧则立刻把该单帧上传到应用层
ReceiveSingleFrame(_event);
break;
case ProtocolCtrlType.FirstFrame: //如果接收到的是首帧，则发送流控帧到数据链路层，然后准备接收该多帧信息
ReceiveFirstFrame(_event);
break;
case ProtocolCtrlType.ConsecutiveFrame: //接收首帧中指定服务的连续帧
ReceiveConsecutiveFrame(_event);
break;
case ProtocolCtrlType.FlowControl:
ReceiveFlowControlFrame(_event);
break;
}
}
