/// <summary>
/// 发送命令
/// </summary>
/// <param name="SendData">发送数据</param>
/// <param name="ReceiveData">接收数据</param>
/// <param name="Overtime">超时时间</param>
/// <returns></returns>
public int SendCommand(byte[] SendData, ref byte[] ReceiveData, int Overtime)
{
if (_seriaPort.IsOpen)
{
try
{
_seriaPort.WriteTimeout = 3000;
ReceiveEventFlag = true; //关闭接收事件
_seriaPort.DiscardInBuffer(); //清空接收缓冲区
_seriaPort.Write(SendData, 0, SendData.Length);
if (SCEEC.Data.Logger.log != null)
{
SCEEC.Data.Logger.log.Info("Send:" + XmlConfig.GetBytestring(SendData));
}
int num = 0, ret = 0;
System.Threading.Thread.Sleep(10);
ReceiveEventFlag = false;//打开事件
while (num++ < Overtime)
{
if (_seriaPort.BytesToRead >= ReceiveData.Length)
{
break;
}
System.Threading.Thread.Sleep(10);
}
if (_seriaPort.BytesToRead >= ReceiveData.Length)
{
ret = _seriaPort.Read(ReceiveData, 0, ReceiveData.Length);
}
else
{
_seriaPort.Write(new byte[] { 0x01, 0x00, 0x01 }, 0, 3);
ret = _seriaPort.Read(ReceiveData, 0, _seriaPort.BytesToRead);
}
if (SCEEC.Data.Logger.log != null)
{
SCEEC.Data.Logger.log.Info("Rec:" + XmlConfig.GetBytestring(ReceiveData));
}
return(ret);
}
catch
{
// throw ex;
_seriaPort.Open();
}
}
return(-1);
}
/// <summary>
/// 读取长数据>4092
/// </summary>
/// <param name="SendData">发送指令</param>
/// <param name="RecData">接受数组</param>
/// <param name="RecDataLength">需要接受数据的长度</param>
/// <param name="Timeout">超时时间</param>
/// <returns></returns>
public byte[] ReadPortsData(byte[] SendData, byte[] RecData, int RecDataLength, int Timeout)
{
byte[] q = new byte[4] {
0x5e, 0x14, 0x07, 0xc0
};
float b = BitConverter.ToSingle(q, 0);
if (_seriaPort.IsOpen)
{
ReceiveEventFlag = true; //关闭接收事件
_seriaPort.DiscardInBuffer(); //清空接收缓冲区
Thread.Sleep(10);
_seriaPort.DiscardInBuffer(); //清空接收缓冲区
if (SendData.Length != 0)
{
_seriaPort.Write(SendData, 0, SendData.Length);
}
if (SCEEC.Data.Logger.log != null)
{
SCEEC.Data.Logger.log.Info("Send:" + XmlConfig.GetBytestring(SendData));
}
if (RecDataLength == 0)
{
return(null);
}
if (RecDataLength != -1)
{
for (int t = 0; t < Timeout; t++)
{
if (_seriaPort.BytesToRead >= RecDataLength)
{
break;
}
Thread.Sleep(100);
}
}
else
{
for (int t = 0; t < Timeout; t++)
{
if (_seriaPort.BytesToRead > 0)
{
break;
}
Thread.Sleep(10);
}
}
int count = _seriaPort.BytesToRead;
int offset = 0;
int SingalReadDataLength = 0;
if (count >= RecDataLength && count != 0)
{
while (offset < count)
{
SingalReadDataLength = _seriaPort.Read(RecData, offset, count - offset);
if (SingalReadDataLength > 0)
{
offset += SingalReadDataLength;
if (RecData.Length == RecDataLength)
{
if (SCEEC.Data.Logger.log != null)
{
SCEEC.Data.Logger.log.Info("Wave:" + XmlConfig.GetBytestring(RecData));
}
return(RecData);
}
Thread.Sleep(100);
}
}
}
}
else
{
return(new byte[1] {
0x01
}); //串口出错
}
return(new byte[1] {
0x02
}); //shezhi
}
