public byte[] McuSendRead(ushort addr, ushort len)
{
byte[] send_pack = ModbusUdp.MBReqConnect();
McuSend(send_pack, send_pack.Length);
//Timeout = 300；
//while （timeout--）
//{ //等待应答
// if（应答成功）
// {
// return get_data;
// }
// sleep(1);
//}
return(null);
}
private void ReceiveHandle()
{
//接收数据处理线程
byte[] data = new byte[1024];
while (true)
{
if (UdpInit.mySocket == null || UdpInit.mySocket.Available < 1)
{
Thread.Sleep(10);
continue;
}
//接收UDP数据报，引用参数RemotePoint获得源地址
try
{
int rlen;
//这段代码需要测试
if (isMac == false)
{
rlen = UdpInit.mySocket.ReceiveFrom(data, ref UdpInit.RemotePoint);
}
else
{
Thread.Sleep(50);
rlen = UdpInit.mySocket.Receive(data);
}
ReceiveCallback tx = SetReceiveData;
tx(rlen, data);
}
catch (Exception e)
{
Debug.WriteLine(e);
//data = Mcu.ModbusUdp.MBReqConnect();
UdpSend.UdpSendData(ModbusUdp.MBReqConnect(), ModbusUdp.MBReqConnect().Length, UdpInit.BroadcastRemotePoint);
Debug.WriteLine("Search server");
}
}
}
private void UdpServerTask()
{
//启动一个新的线程，执行方法this.ReceiveHandle，
//以便在一个独立的进程中执行数据接收的操作
byte monitorTick = 0;
Thread thread = new Thread(new ThreadStart(this.ReceiveHandle));
thread.IsBackground = true; //设置为后台线程
thread.Start();
//发送UDP数据包
byte[] data;
while (true)
{
if (flagValue == false)
{
data = ModbusUdp.MBReqConnect();
if (MainWindow.PlayMac.Equals("TRUE"))
{
IPAddress ip = IPAddress.Parse(Module.macFile[1]);
IPEndPoint ipep = new IPEndPoint(ip, 1030);
UdpInit.RemotePoint = (EndPoint)(ipep);
isMac = true;
//flagValue = true;
//UdpSend.flagSend = (byte)ModbusUdp.MBFunctionCode.GetId;
UdpSend.UdpSendData(data, data.Length, UdpInit.RemotePoint);
}
else
{
UdpSend.UdpSendData(data, data.Length, UdpInit.BroadcastRemotePoint);
}
Debug.WriteLine("寻找服务器" + data);
//Module.WriteLogFile("重新连接");
}
else
{
//发送UDP心跳包
if (monitorTickRx != monitorTick)
{
if (monitorTickRx >= 0)
{
monitorTickTimeOut++;
}
}
if (monitorTickTimeOut == 5) //计时超过5秒，重新连接
{
flagValue = false;
//取消测试
//connectFlag = false;
monitorTick = 0;
monitorTickRx = 0;
monitorTickTimeOut = 0;
Debug.WriteLine("Connect lose...");
Module.WriteLogFile("连接丢失");
}
if (monitorTick < 0xff)
{
monitorTick++;
}
else
{
monitorTick = 0;
}
data = ModbusUdp.MBReqMonitor(monitorTick);
UdpSend.UdpSendData(data, data.Length, UdpInit.RemotePoint);
Debug.WriteLine("Connect monitor...");
}
Thread.Sleep(1000);
}
}
//MCU数据发送函数
public void McuSendConnect()
{
byte[] send_pack = ModbusUdp.MBReqConnect();
McuSend(send_pack, send_pack.Length);
}
private void UdpServerTask()
{
byte MonitorTick = 0;
IPAddress ip;
int port;
//得到本机IP，设置UDP端口号
IPAddress.TryParse(GetLocalIP(), out ip);
port = 0; //自动分配端口
ipLocalPoint = new IPEndPoint(ip, port);
//定义网络类型，数据连接类型和网络协议UDP
mySocket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
//绑定网络地址
try
{
mySocket.Bind(ipLocalPoint);
}
catch
{
MessageBox.Show("网络端口被占用");
//System.Environment.Exit(0);
}
//设置广播地址
ip = IPAddress.Broadcast;
port = 1030;
IPEndPoint ipep = new IPEndPoint(ip, port);
EndPoint BroadcastRemotePoint = (EndPoint)(ipep);
//设置客户机IP，默认为广播地址
RemotePoint = (EndPoint)(ipep);
//允许广播
mySocket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.Broadcast, 1);
//启动一个新的线程，执行方法this.ReceiveHandle，
//以便在一个独立的进程中执行数据接收的操作
Thread thread = new Thread(new ThreadStart(this.ReceiveHandle));
thread.IsBackground = true; //设置为后台线程
thread.Start();
//发送UDP数据包
byte[] data;
while (true)
{
if (!UdpConnectCompleteFlag.Value)
{
data = ModbusUdp.MBReqConnect();
mySocket.SendTo(data, data.Length, SocketFlags.None, BroadcastRemotePoint);
Debug.WriteLine("Search udp server...");
}
else
{
if (MonitorTickAck.Value != MonitorTick)
{
if (MonitorTickTimeout.Value > 0)
{
MonitorTickTimeout.Value--;
}
}
else
{
MonitorTickTimeout.Value = MonitorTickTimeoutValue;
}
if (MonitorTickTimeout.Value == 0)
{
UdpConnectCompleteFlag.Value = false;
MonitorTick = 0;
MonitorTickAck.Value = 0;
MonitorTickTimeout.Value = MonitorTickTimeoutValue;
Debug.WriteLine("Connect lose...");
continue;
}
else
{
//发送UDP心跳包
if (MonitorTick < 0xff)
{
MonitorTick++;
}
else
{
MonitorTick = 0;
}
data = ModbusUdp.MBReqMonitor(MonitorTick);
mySocket.SendTo(data, data.Length, SocketFlags.None, RemotePoint);
Debug.WriteLine("Connect monitor...");
}
}
Thread.Sleep(1000);
}
}
