/// <summary>
/// 通过构造函数重载来区别是读命令还是写命令
/// </summary>
/// <param name="address">通信地址</param>
/// <param name="highAdr">寄存器起始地址高位</param>
/// <param name="lowAdr">寄存器起始地址地位</param>
/// <param name="num">寄存器个数</param>
//public Command(byte address, byte highAdr, byte lowAdr, short num)
//{
// byte[] sendb = new byte[8];
// sendb[0] = address;
// sendb[1] = 0x03;
// sendb[2] = highAdr;
// sendb[3] = lowAdr;
// byte[] bb2 = BitConverter.GetBytes(num);
// Array.Reverse(bb2);
// Array.Copy(bb2, 0, sendb, 4, 2);
// Array.Copy(CRC.GetCRC(sendb), 0, sendb, 6, 2);
// ResultLength = 5 + 2 * num;
// SendByte = sendb;
//}
//public Command(byte address, byte highAdr, byte lowAdr,byte[] content)
//{
// byte[] sendb = new byte[9+content.Length];
// sendb[0] = address;
// sendb[1] = 0x10;
// sendb[2] = highAdr;
// sendb[3] = lowAdr;
// byte[] num = BitConverter.GetBytes(Convert.ToInt16(content.Length / 2));
// Array.Reverse(num);
// Array.Copy(num, 0, sendb, 4, 2);
// sendb[6] = Convert.ToByte(content.Length);
// Array.Copy(content, 0, sendb, 7, content.Length);
// Array.Copy(CRC.GetCRC(sendb), 0, sendb, sendb.Length-2, 2);
// ResultLength = 8;
// SendByte = sendb;
//}
// byte relayNum = 4;
public Command(byte address, short Adr, short num)
{
byte[] sendb = new byte[10];
sendb[0] = 0xaa;
if (address == 6 | address == 7 | address == 9 | address == 10 | address == 12)
{
sendb[1] = 0x04;
}
else if (address == 3)
{
sendb[1] = 0x02;
}
else if (address == 8)
{
sendb[1] = 0x03;
}
else if (address == 1 | address == 2 | address == 4 | address == 5 | address == 11)
{
sendb[1] = 0x01;
}
else if (address >= 13 && address <= 29)
{
sendb[1] = 0x06;
}
byte[] sendb2 = new byte[8];
sendb2[0] = address;
sendb2[1] = 0x03;
byte[] bb1 = BitConverter.GetBytes(Adr);
Array.Reverse(bb1);
Array.Copy(bb1, 0, sendb2, 2, 2);
byte[] bb2 = BitConverter.GetBytes(num);
Array.Reverse(bb2);
Array.Copy(bb2, 0, sendb2, 4, 2);
Array.Copy(CRC.GetCRC(sendb2), 0, sendb2, 6, 2);
Array.Copy(sendb2, 0, sendb, 2, 8);
ResultLength = 5 + 2 * num;
SendByte = sendb;
}
public Command(byte address, short Adr, byte[] content)
{
byte[] sendb = new byte[9 + content.Length];
sendb[0] = address;
sendb[1] = 0x10;
//sendb[2] = highAdr;
//sendb[3] = lowAdr;
byte[] bb1 = BitConverter.GetBytes(Adr);
Array.Reverse(bb1);
Array.Copy(bb1, 0, sendb, 2, 2);
byte[] num = BitConverter.GetBytes(Convert.ToInt16(content.Length / 2));
Array.Reverse(num);
Array.Copy(num, 0, sendb, 4, 2);
sendb[6] = Convert.ToByte(content.Length);
Array.Copy(content, 0, sendb, 7, content.Length);
Array.Copy(CRC.GetCRC(sendb), 0, sendb, sendb.Length - 2, 2);
ResultLength = 8;
SendByte = sendb;
}
private static byte[] TryReadBytes(byte address, int backCount)
{
List <byte> result = new List <byte>();
for (int i = 0; i < (delay / 50); i++)
{
Thread.Sleep(50);
int count = serialport.BytesToRead;
byte[] rbytes = new byte[count];
serialport.Read(rbytes, 0, count);
result.AddRange(rbytes);
int allCount = result.Count;
byte[] allbytes = result.ToArray();
// 错误码
if (allCount == 5)
{
byte[] crcByte = CRC.GetCRC(allbytes);
if (BitConverter.ToString(crcByte) == BitConverter.ToString(allbytes, allCount - 2))
{
CommandUnits.IsCommandding = false;
if (allbytes[0] != address)
{
throw new CommandException("从机地址不匹配");
}
if (allbytes[1] != 0x90 && allbytes[1] != 0x83)
{
throw new CommandException("未知异常");
}
switch (allbytes[2])
{
case 0x01:
throw new CommandException("功能码错位");
case 0x02:
throw new CommandException("寄存器地址错位");
case 0x03:
throw new CommandException("寄存器数量错误");
case 0x04:
throw new CommandException("寄存器写入错误");
default:
throw new CommandException("未知异常");
}
}
}
else if (allCount == backCount)
{
break;
}
}
byte[] rrr = result.ToArray();
if (result.Count < 5)
{
CommandUnits.IsCommandding = false;
throw new CommandException("命令超时");
}
else
{
byte[] crcByte = CRC.GetCRC(rrr);
if (BitConverter.ToString(crcByte) != BitConverter.ToString(rrr, rrr.Length - 2))
{
CommandUnits.IsCommandding = false;
throw new CommandException("CRC校验异常");
}
}
return(result.ToArray());
}
public static bool GetResult(Command cd)
{
bool result = false;
//bool isError = false;
PLAASerialPort.GetInstance().Write(cd.SendByte);
for (int i = 0; i < (delay / 1000); i++)
{
if (cd.SendByte[2] == 6 | cd.SendByte[2] == 7 | cd.SendByte[2] == 9 | cd.SendByte[2] == 10 | cd.SendByte[2] == 12)
{
Thread.Sleep(1600);//一个中继器来回400ms,4个中00继
}
else if (cd.SendByte[2] == 3 | cd.SendByte[2] == 13 | cd.SendByte[2] == 14 | cd.SendByte[2] == 15 | (cd.SendByte[2] >= 25 && cd.SendByte[2] <= 29))
{
Thread.Sleep(800);
}
else if (cd.SendByte[2] == 8 | (cd.SendByte[2] >= 16 && cd.SendByte[2] <= 22))
{
Thread.Sleep(1200);
}
else if (cd.SendByte[2] == 1 | cd.SendByte[2] == 2 | cd.SendByte[2] == 4 | cd.SendByte[2] == 5 | cd.SendByte[2] == 11)
{
Thread.Sleep(400);
}
else if (cd.SendByte[2] == 23 | cd.SendByte[2] == 24)
{
Thread.Sleep(1000);
}
Thread.Sleep(delay2);
// 错误码
if (PLAASerialPort.GetInstance().DataBufferList.Count == 5)
{
byte[] ebyte = PLAASerialPort.GetInstance().DataBufferList.ToArray();
byte[] crcByte = CRC.GetCRC(ebyte);
if (BitConverter.ToString(crcByte) == BitConverter.ToString(ebyte, ebyte.Length - 2))
{
cd.ErrorByte = PLAASerialPort.GetInstance().DataBufferList.ToArray();
LogLib.Log.GetLogger("CommandResult").Warn(string.Format("错误命令:{0},发送命令:{1}", PLAASerialPort.byteToHexStr(cd.ErrorByte), PLAASerialPort.byteToHexStr(cd.SendByte)));
return(false);
}
}
else if (PLAASerialPort.GetInstance().DataBufferList.Count >= cd.ResultLength)
{
//for (int a = 0; a < 2; a++)
//{
byte[] tbyte = PLAASerialPort.GetInstance().DataBufferList.ToArray();
for (int ii = 0; ii < tbyte.Length; ii++)
{
if (tbyte[ii] != 0xaa)
{
continue;
}
try
{
if (tbyte[ii + 1] == (cd.SendByte[1] - 1) && tbyte[ii + 2] == cd.SendByte[2] && tbyte[ii + 3] == cd.SendByte[3] && tbyte[ii + 4] == 0x06)
{
byte[] mbyte = new byte[tbyte.Length - ii - 2];
Array.Copy(tbyte, ii + 2, mbyte, 0, tbyte.Length - ii - 2);
//byte[] mbyte = new byte[tbyte.Length - ii];
//Array.Copy(tbyte, ii, mbyte, 0, tbyte.Length - ii);
if (mbyte.Length >= cd.ResultLength)
{
byte[] ybyte = new byte[cd.ResultLength];
Array.Copy(mbyte, 0, ybyte, 0, cd.ResultLength);
cd.ResultByte = ybyte;
// cd.ResultByte = PLAASerialPort.GetInstance().DataBufferList.ToArray();
return(true);
}
}
}
catch
{
break;
}
}
// }
//if (tbyte[0] == 0xaa && tbyte[1] == (cd.SendByte[1] - 1) && tbyte[2] == cd.SendByte[2] && tbyte[3] == cd.SendByte[3])
//{
// cd.ResultByte = PLAASerialPort.GetInstance().DataBufferList.ToArray();
// return true;
//}
}
}
LogLib.Log.GetLogger("CommandResult").Warn(string.Format("命令超时:{0}", PLAASerialPort.byteToHexStr(cd.SendByte)));
Trace.WriteLine("超时");
return(result);
}