/// <summary>
/// 接收到消息
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void ReadComplete(object sender, System.IO.Ports.SerialDataReceivedEventArgs e)
{
if (sender.GetType() != typeof(System.IO.Ports.SerialPort))
{
return;
}
System.IO.Ports.SerialPort comPort = (System.IO.Ports.SerialPort)sender;
try
{
comPort.ReceivedBytesThreshold = comPort.ReadBufferSize;
int bytesRead = comPort.BytesToRead;
if (bytesRead == 0)
{
comPort.ReceivedBytesThreshold = 1;
return;
}
else
{
byte[] byteMessage = new byte[bytesRead];
comPort.Read(byteMessage, 0, byteMessage.Length);
logger.Warn(string.Format("Receive Cmd:{0}", BytesHelper.BytesToHexStr(byteMessage)));
if (receiveMessageInfo.OverReceiveBytes != null && receiveMessageInfo.OverReceiveBytes.Length > 0)
{
receiveMessageInfo.TempReceiveBytes = new byte[receiveMessageInfo.OverReceiveBytes.Length + bytesRead];
Array.Copy(receiveMessageInfo.OverReceiveBytes, 0, receiveMessageInfo.TempReceiveBytes, 0, receiveMessageInfo.OverReceiveBytes.Length);
Array.Copy(byteMessage, 0, receiveMessageInfo.TempReceiveBytes, receiveMessageInfo.OverReceiveBytes.Length, bytesRead);
}
else
{
receiveMessageInfo.TempReceiveBytes = new byte[bytesRead];
Array.Copy(byteMessage, receiveMessageInfo.TempReceiveBytes, bytesRead);
}
receiveMessageInfo.IsCanRunNext = true;
while (receiveMessageInfo.IsCanRunNext)
{
if (receiveMessageInfo.TempReceiveBytes == null)
{
receiveMessageInfo.TempReceiveBytes = receiveMessageInfo.OverReceiveBytes;
receiveMessageInfo.OverReceiveBytes = null;
}
NTPParseReceiveMsg.ParseResponseMessage(receiveMessageInfo);
if (receiveMessageInfo.IsReadNTPFinished)
{
NTP ntp = receiveMessageInfo.ntp;
receiveMessageInfo.ntp = new NTP();
receiveMessageInfo.IsReadNTPFinished = false;
receiveMessageInfo.IsReadNTPHeaderFinished = false;
bool check = ntp.CheckXORSUM();
if (check)
{
if (ReceiveMsgEvent != null)
{
byte[] bytes = ntp.ToBytes();
ReceiveMsgEvent(ntp);
}
}
else
{
logger.Error("Receive message checked error!");
}
}
}
}
}
catch (Exception ex)
{
logger.Error(ex.Message, ex);
}
finally
{
comPort.ReceivedBytesThreshold = 1;
}
}
/// <summary>
/// 发送指令
/// </summary>
/// <param name="ntp">NTP协议</param>
private static void SendCommand(NTP ntp)
{
byte[] bytes = ntp.ToBytes();
logger.Info(string.Format("Send Cmd:{0}", BytesHelper.BytesToHexStr(bytes)));
conn.SendMessage(bytes);
}