protected void Request(RtuCommand cmd, byte varAddr)
{
byte[] obuffer = new byte[255];
byte[] d = new byte[1];
int len = 0;
BitArray bits = null;
Connect();
SendCommand(cmd, varAddr);
len = _socket.Receive(obuffer);
_socket.Close();
if (cmd == RtuCommand.READ_VALUE)
{
d[0] = obuffer[10];
bits = new BitArray(d);
for (int i = 0; i < bits.Length; i++)
{
_DOValue[i] = bits.Get(i);
}
}
else
{
d[0] = obuffer[0];
bits = new BitArray(d);
}
}
protected void SendCommand(RtuCommand cmd, byte varAddr)
{
byte[] cmdBuf = new byte[12];
//cmdBuf.SetValue(0x00, 0);
for (int i = 0; i < 5; i++)
{
cmdBuf[i] = 0;
}
switch ((RtuCommand)cmd)
{
case RtuCommand.READ_VALUE:
cmdBuf[5] = 6;
cmdBuf[6] = _dest;
cmdBuf[7] = 1;
cmdBuf[8] = _DOAddrLow;
cmdBuf[9] = 0x70;
cmdBuf[10] = 0;
cmdBuf[11] = 16;
break;
case RtuCommand.OPEN_SWITCH:
cmdBuf[5] = 6;
cmdBuf[6] = _dest;
cmdBuf[7] = 5;
cmdBuf[8] = _DOAddrLow;
cmdBuf[9] = Convert.ToByte(varAddr - 1);
cmdBuf[10] = 0;
cmdBuf[11] = 0;
break;
case RtuCommand.CLOSE_SWITCH:
cmdBuf[5] = 6;
cmdBuf[6] = _dest;
cmdBuf[7] = 5;
cmdBuf[8] = _DOAddrLow;
cmdBuf[9] = Convert.ToByte(varAddr - 1);
cmdBuf[10] = 0xFF;
cmdBuf[11] = 0;
break;
}
int len = 5 + cmdBuf[5] + 1;
try
{
_socket.Send(cmdBuf, len, SocketFlags.None);
}
catch (Exception ex)
{
WriteLog("RTU SendCommand:" + ex.Message);
throw new Exception(ex.Message);
}
}
protected void SendCommand(RtuCommand cmd, byte varAddr)
{
byte[] cmdBuf = new byte[12];
//cmdBuf.SetValue(0x00, 0);
for (int i = 0; i < 5; i++) cmdBuf[i] = 0;
switch ((RtuCommand)cmd)
{
case RtuCommand.READ_VALUE:
cmdBuf[5] = 6;
cmdBuf[6] = _dest;
cmdBuf[7] = 1;
cmdBuf[8] = _DOAddrLow;
cmdBuf[9] = 0x70;
cmdBuf[10] = 0;
cmdBuf[11] = 16;
break;
case RtuCommand.OPEN_SWITCH:
cmdBuf[5] = 6;
cmdBuf[6] = _dest;
cmdBuf[7] = 5;
cmdBuf[8] = _DOAddrLow;
cmdBuf[9] = Convert.ToByte(varAddr - 1);
cmdBuf[10] = 0;
cmdBuf[11] = 0;
break;
case RtuCommand.CLOSE_SWITCH:
cmdBuf[5] = 6;
cmdBuf[6] = _dest;
cmdBuf[7] = 5;
cmdBuf[8] = _DOAddrLow;
cmdBuf[9] = Convert.ToByte(varAddr - 1);
cmdBuf[10] = 0xFF;
cmdBuf[11] = 0;
break;
}
int len = 5 + cmdBuf[5] + 1;
try
{
_socket.Send(cmdBuf, len, SocketFlags.None);
}
catch (Exception ex)
{
WriteLog("RTU SendCommand:" + ex.Message);
throw new Exception(ex.Message);
}
}
protected void Request(RtuCommand cmd, byte varAddr)
{
byte[] obuffer = new byte[255];
byte[] d = new byte[1];
string strError = "";
int len = 0;
BitArray bits = null;
//============================================
//���ý��ܳ�ʱʱ��Ϊ2��͵�ַ����
Socket socket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
socket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReceiveTimeout, 100);
socket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, 1);
IPEndPoint epRemote = new IPEndPoint(IPAddress.Parse(IP), Port);
if (!DoPingIPStatus(IP)) return;
try
{
// ��������
socket.Connect(epRemote);
}
catch (Exception ex)
{
strError = ex.Message;//throw new Exception();
return;
}
//============================================
byte[] cmdBuf = new byte[12];
//cmdBuf.SetValue(0x00, 0);
for (int i = 0; i < 5; i++) cmdBuf[i] = 0;
switch ((RtuCommand)cmd)
{
case RtuCommand.READ_VALUE:
cmdBuf[5] = 6;
cmdBuf[6] = _dest;
cmdBuf[7] = 1;
cmdBuf[8] = _DOAddrLow;
cmdBuf[9] = 0x70;
cmdBuf[10] = 0;
cmdBuf[11] = 16;
break;
case RtuCommand.OPEN_SWITCH:
cmdBuf[5] = 6;
cmdBuf[6] = _dest;
cmdBuf[7] = 5;
cmdBuf[8] = _DOAddrLow;
cmdBuf[9] = Convert.ToByte(varAddr - 1);
cmdBuf[10] = 0;
cmdBuf[11] = 0;
break;
case RtuCommand.CLOSE_SWITCH:
cmdBuf[5] = 6;
cmdBuf[6] = _dest;
cmdBuf[7] = 5;
cmdBuf[8] = _DOAddrLow;
cmdBuf[9] = Convert.ToByte(varAddr - 1);
cmdBuf[10] = 0xFF;
cmdBuf[11] = 0;
break;
}
len = 5 + cmdBuf[5] + 1;
//================================================
try
{
socket.Send(cmdBuf, len, SocketFlags.None);
len = socket.Receive(obuffer);
socket.Close();
}
catch (Exception ex)
{
return;
//
}
if (cmd == RtuCommand.READ_VALUE)
{
d[0] = obuffer[10];
bits = new BitArray(d);
for (int i = 0; i < bits.Length; i++)
{
_DOValue[i] = bits.Get(i);
}
}
else
{
d[0] = obuffer[0];
bits = new BitArray(d);
}
}
protected void Request(RtuCommand cmd, byte varAddr)
{
byte[] obuffer = new byte[255];
byte[] d = new byte[1];
int len = 0;
BitArray bits = null;
Connect();
SendCommand(cmd, varAddr);
len = _socket.Receive(obuffer);
_socket.Close();
if (cmd == RtuCommand.READ_VALUE)
{
d[0] = obuffer[10];
bits = new BitArray(d);
for (int i = 0; i < bits.Length; i++)
{
_DOValue[i] = bits.Get(i);
}
}
else
{
d[0] = obuffer[0];
bits = new BitArray(d);
}
}
protected void Request(RtuCommand cmd, byte varAddr)
{
byte[] obuffer = new byte[255];
byte[] d = new byte[1];
string strError = "";
int len = 0;
BitArray bits = null;
//============================================
//设置接受超时时间为2秒和地址重用
Socket socket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
socket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReceiveTimeout, 100);
socket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, 1);
IPEndPoint epRemote = new IPEndPoint(IPAddress.Parse(IP), Port);
if (!DoPingIPStatus(IP))
{
return;
}
try
{
// 建立连接
socket.Connect(epRemote);
}
catch (Exception ex)
{
strError = ex.Message;//throw new Exception();
return;
}
//============================================
byte[] cmdBuf = new byte[12];
//cmdBuf.SetValue(0x00, 0);
for (int i = 0; i < 5; i++)
{
cmdBuf[i] = 0;
}
switch ((RtuCommand)cmd)
{
case RtuCommand.READ_VALUE:
cmdBuf[5] = 6;
cmdBuf[6] = _dest;
cmdBuf[7] = 1;
cmdBuf[8] = _DOAddrLow;
cmdBuf[9] = 0x70;
cmdBuf[10] = 0;
cmdBuf[11] = 16;
break;
case RtuCommand.OPEN_SWITCH:
cmdBuf[5] = 6;
cmdBuf[6] = _dest;
cmdBuf[7] = 5;
cmdBuf[8] = _DOAddrLow;
cmdBuf[9] = Convert.ToByte(varAddr - 1);
cmdBuf[10] = 0;
cmdBuf[11] = 0;
break;
case RtuCommand.CLOSE_SWITCH:
cmdBuf[5] = 6;
cmdBuf[6] = _dest;
cmdBuf[7] = 5;
cmdBuf[8] = _DOAddrLow;
cmdBuf[9] = Convert.ToByte(varAddr - 1);
cmdBuf[10] = 0xFF;
cmdBuf[11] = 0;
break;
}
len = 5 + cmdBuf[5] + 1;
//================================================
try
{
socket.Send(cmdBuf, len, SocketFlags.None);
len = socket.Receive(obuffer);
socket.Close();
}
catch (Exception ex)
{
return;
//
}
if (cmd == RtuCommand.READ_VALUE)
{
d[0] = obuffer[10];
bits = new BitArray(d);
for (int i = 0; i < bits.Length; i++)
{
_DOValue[i] = bits.Get(i);
}
}
else
{
d[0] = obuffer[0];
bits = new BitArray(d);
}
}
