public FxCommandResponse Send(short channelNo, byte[] dataBuff, int dataSize, ICellDataType responseDataType)
{
byte[] resultBuff = null;
FxCommandResponse result = new FxCommandResponse(ResultCodeConst.rcNotSettting, null, responseDataType);
if (!_SerialPort.IsOpen)
{
return(result);
}
if (_SerialPort.BytesToWrite > 0)
{
//MyApp._LogWriter.WriteLine("准备写串口前，发现写缓冲中尚存{0}字节没有发出！", _SerialPort.BytesToWrite);
}
int reReadTimes = 0; // 重读次数
_SerialPort.Write(dataBuff);
System.Threading.Thread.Sleep(1);
_RingBuffer.Clear();
// 读取数据，直到得到完整报文或超时
reReadTimes = 0;
while (reReadTimes < MAX_RETRY_READ_COUNT) // 连续超时指定次数，则不再等待
{
byte[] data = new byte[256];
int len = _SerialPort.Read(data, 0, data.Length);
if (len > 0)
{
reReadTimes = 0;
_RingBuffer.Append(data, 0, len);
resultBuff = _RingBuffer.PickPackage();
if (resultBuff != null)
{
break;
}
}
else
{
reReadTimes++;
System.Threading.Thread.Sleep(TimeSpan.FromMilliseconds(1));
}
}
// 处理收到的数据
if (resultBuff == null)
{
result.ResultCode = ResultCodeConst.rcFailt;
Debug.Print("发送命令超时候仍没有收到FX PLC的合法响应.");
}
else if (resultBuff.Length == 1)
{
result.ResultCode = (ResultCodeConst)resultBuff[0];
}
else
{
result.ResultCode = ResultCodeConst.rcSuccess;
List <int> valuelist;
FxCommandHelper.ParseSmart(resultBuff, 0, responseDataType, out valuelist);
result.SetResponseValue(valuelist);
result.SetRawData(resultBuff);
}
return(result);
}
public FxCommandResponse Send(short channelNo, byte[] dataBuff, int dataSize, ICellDataType responseDataType)
{
byte[] resultBuff = null;
FxCommandResponse result = new FxCommandResponse(ResultCodeConst.rcNotSettting, null, responseDataType);
if (!_SerialPort.IsOpen)
{
return(result);
}
if (_SerialPort.BytesToWrite > 0)
{
//MyApp._LogWriter.WriteLine("��д����ǰ������д�������д�{0}�ֽ�û�з�����", _SerialPort.BytesToWrite);
}
int reReadTimes = 0; // �ض�����
_SerialPort.Write(dataBuff);
System.Threading.Thread.Sleep(1);
_RingBuffer.Clear();
// ��ȡ���ݣ�ֱ���õ�́E����Ļ�ʱ
reReadTimes = 0;
while (reReadTimes < MAX_RETRY_READ_COUNT)
{ // ������ʱָ�����������ٵȴ�
byte[] data = new byte[256];
int len = _SerialPort.Read(data, 0, data.Length);
if (len > 0)
{
reReadTimes = 0;
_RingBuffer.Append(data, 0, len);
resultBuff = _RingBuffer.PickPackage();
if (resultBuff != null)
{
break;
}
}
else
{
reReadTimes++;
System.Threading.Thread.Sleep(TimeSpan.FromMilliseconds(1));
}
}
// �����յ�������
if (resultBuff == null)
{
result.ResultCode = ResultCodeConst.rcFailt;
Debug.Print("����ÁE�Ϭʱ����û���յ�FX PLC�ĺϷ�ρE�.");
}
else if (resultBuff.Length == 1)
{
result.ResultCode = (ResultCodeConst)resultBuff[0];
}
else
{
result.ResultCode = ResultCodeConst.rcSuccess;
List <int> valuelist;
FxCommandHelper.ParseSmart(resultBuff, 0, responseDataType, out valuelist);
result.SetResponseValue(valuelist);
result.SetRawData(resultBuff);
}
return(result);
}