private void SocketReceiveMsg()//接收socket消息
{
byte[] buffer = new byte[1024 * 1024];
int n;
String s;
while (true)
{
if (isTerminating)
{
break;
}
if (mySocket == null)
{
break;
}
try
{
n = mySocket.Receive(buffer);
s = StringByteHelper.BytesToString(buffer, 0, n);
ReceiveMsg(s);
deviceManager.receiveMsg(this, s);
}
catch (Exception ex)
{
Console.WriteLine("{0} Exception caught.", ex);
}
}
}
public static String createModbusMessage(byte func, byte[] data, byte dev = 0x88)// 新建发送的消息
{
byte[] cmd = new byte[6 + data.Length];
cmd[0] = 0x55;
cmd[1] = 0xAA;
cmd[2] = (byte)(data.Length + 3);
cmd[3] = dev;
cmd[4] = func;
for (int i = 0; i < data.Length; i++)
{
cmd[i + 5] = data[i];
}
byte crc = 0x00;
for (int i = 0; i < data.Length + 5; i++)
{
crc ^= cmd[i];
}
cmd[data.Length + 5] = crc;
return(StringByteHelper.BytesToString(cmd, 0, cmd.Length));
}