public NetworkLayerProtocol()
{
sendFuc += _nF =>
{
DataLinkLayer.ActionDllSendFuc(_nF);
};
}
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);
}
}
public static NetworkLayerProtocol Parse(DataLinkLayer dataLinkData)
{
NetworkLayerProtocol networkData = new NetworkLayerProtocol();
networkData.N_AI = dataLinkData.Address;
networkData.N_PCIType = (byte)(dataLinkData.ListDllData[0] & 0xF0);
if (networkData.N_PCIType == 0x01)
{
networkData.SF_DL = (byte)(dataLinkData.ListDllData[0] & 0x0F);
if ((networkData.SF_DL > 7) || (networkData.SF_DL == 0))
{
throw new Exception("单帧长度错误");
}
networkData.N_PCI = networkData.GetSFN_PCI(networkData.N_PCIType, networkData.SF_DL);
dataLinkData.ListDllData.RemoveRange(0, 1);
networkData.N_Data = dataLinkData.ListDllData;
}
else if (networkData.N_PCIType == 0x03)
{
networkData.FC_FS = (byte)(dataLinkData.ListDllData[0] & 0xF0);
if (networkData.FC_FS == 3)
{
throw new Exception("Buffer 溢出");
}
//networkData.N_PCI = networkData.GetFCN_PCI();
//dataLinkData.L_Data.RemoveRange(0, 3);
//networkData.N_Data = dataLinkData.L_Data;
}
else
{
if (networkData.N_PCIType == 0x01)
{
networkData.FF_DL = networkData.GetFF_DL(dataLinkData.ListDllData[0], dataLinkData.ListDllData[1]);
if ((networkData.FF_DL < 8) || (networkData.FF_DL > 0xFFF))
{
throw new Exception("首帧长度错误");
}
networkData.N_PCI = networkData.GetFFN_PCI(networkData.N_PCIType, networkData.FF_DL);
dataLinkData.ListDllData.RemoveRange(0, 2);
networkData.N_Data.AddRange(dataLinkData.ListDllData);
}
else
{
networkData.CF_SN = (byte)(dataLinkData.ListDllData[0] & 0xF0);
if ((networkData.CF_SN > 15) || (networkData.CF_SN < 0))
{
throw new Exception("连续帧序号错误");
}
networkData.N_PCI = networkData.GetCFN_PCI(networkData.N_PCIType, dataLinkData.ListDllData[0]);
dataLinkData.ListDllData.RemoveRange(0, 1);
networkData.N_Data.AddRange(dataLinkData.ListDllData);
}
}
return(networkData);
}
public static void NetworkLayerSendMultiFrame(object obj)
{
string strSendBytes = DataFormatConvert.ListToStr(BufferMultiFrameSend.ListNetLayerByteData);
int nSendTimes = 0;
try
{
while (true)
{
if (BufferMultiFrameSend.Offset < BufferMultiFrameSend.ListNetLayerByteData.Count && BufferMultiFrameSend.RemainFrameCount > 0 &&
(MainWindow.m_OperateType == OperateType.WriteAllMasterPara || //ParaManageWnd.IsUpdateAllPara ||
MainWindow.m_OperateType == OperateType.WriteAllMasterAdjustPara ||
MainWindow.m_OperateType == OperateType.WriteMasterControlPara)) // (BufferMultiFrameSend.RemainFrameCount != 0)
{
if (BufferMultiFrameSend.Offset > 0) // 非首帧
{
DataLinkLayer.ActionDllSendFuc(BufferMultiFrameSend.SendConsecutiveFrame());
}
else
{
DataLinkLayer.ActionDllSendFuc(BufferMultiFrameSend.SendFirstFrame());
}
BufferMultiFrameSend.RemainFrameCount--;
}
else
{
if (MainWindow.m_OperateType != OperateType.WriteAllMasterPara) //(!ParaManageWnd.IsUpdateAllPara) // 关闭参数管理窗口,停止设置参数 清空发送数据
{
BufferMultiFrameSend.ClearMessage();
}
break;
}
Thread.Sleep(200);
}
}
catch (Exception ex)
{
}
}
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 static void _Request(MessageBuffer m_messageBuffer)
{
byte[] btArrRequest = new byte[8];
//vbyPDU.Capacity=8;
byte byPCIFirst;
byPCIFirst = (byte)(((byte)m_messageBuffer.ProCtrlType) << 4);
int nDataSize = m_messageBuffer.ListByteData.Count;
int nPDUDataSize = 7; // PDU 包含的数据长度，在首帧中需要减一，流控制帧中不包含数据帧。
switch (m_messageBuffer.ProCtrlType)
{
case ProtocolCtrlType.SingleFrame:
if (nDataSize > nPDUDataSize)
{
nDataSize = nPDUDataSize;
}
byPCIFirst = (byte)(byPCIFirst | nDataSize);
btArrRequest[0] = byPCIFirst;
for (int n = 1; n < btArrRequest.Length; n++)
{
btArrRequest[n] = m_messageBuffer.ListByteData[n - 1];
}
//vbyPDU.AddRange(m_messageBuffer.vbyData);
break;
case ProtocolCtrlType.FirstFrame:
if (nDataSize > 0xFFF)
{
nDataSize = 0xFFF;
}
--nPDUDataSize;
byPCIFirst = (byte)(byPCIFirst | nDataSize >> 8);
btArrRequest[0] = byPCIFirst;
btArrRequest[0] = (byte)(nDataSize & 0xFF);
byte[] data = new byte[nPDUDataSize];
m_messageBuffer.ListByteData.CopyTo(0, data, 0, data.Length);
for (int n = 1; n < data.Length; n++)
{
btArrRequest[n] = data[n - 1];
}
m_messageBuffer.StartLocation = (uint)nPDUDataSize;
m_messageBuffer.RemainderFrameCount = 0;
m_messageBuffer.ExpectedSequenceNumber = 1;
break;
case ProtocolCtrlType.ConsecutiveFrame:
if (m_messageBuffer.ListByteData.Count() <= m_messageBuffer.StartLocation)
{
return;
}
byPCIFirst = (byte)(byPCIFirst | m_messageBuffer.ExpectedSequenceNumber);
m_messageBuffer.ExpectedSequenceNumber = (byte)((m_messageBuffer.ExpectedSequenceNumber + 1) % 0x10);
btArrRequest[0] = byPCIFirst;
nPDUDataSize = (int)System.Math.Min(nPDUDataSize, m_messageBuffer.ListByteData.Count() - m_messageBuffer.StartLocation);
for (int n = 1; n < m_messageBuffer.ListByteData.Count; n++)
{
btArrRequest[n] = m_messageBuffer.ListByteData[n - 1];
}
m_messageBuffer.StartLocation += (uint)nPDUDataSize;
--m_messageBuffer.RemainderFrameCount;
break;
case ProtocolCtrlType.FlowControl:
//m_byBlockSize=0xFF;
// 暂时仅发送 ContinueToSend。
byPCIFirst = (byte)(byPCIFirst | 0x0);
btArrRequest[0] = byPCIFirst;
btArrRequest[1] = 0xFF;
btArrRequest[2] = 0x64;
break;
}
DataLinkLayer.SendCanFrame(m_messageBuffer.nID, btArrRequest);
}
