void SerialPortObject_DataReceived(object sender, SerialDataReceivedEventArgs e)
{
try
{
if (IsConnected)
{
//可以接收
QueueObject qo = new QueueObject();
qo.Buffer = new byte[SerialPortObject.BytesToRead];
qo.DataLength = SerialPortObject.Read(qo.Buffer, 0, qo.Buffer.Length);
if (qo.DataLength > 0 && qo.Buffer.Length >= 1)
{
BufferStream.AddRangeWithLock(qo.Buffer);
IMessageEntity msg = MessageDataAdapterObject.Resolve();
if (msg != null)
{
OnMessageReceived(new MessageReceivedEventArgs(msg));
}
}
}
}
catch (Exception ex)
{
logger.Error(ex.ToString(), ex);
}
}
/// <summary>
/// 连接
/// </summary>
public void Connect()
{
if (MessageDataAdapterObject == null)
{
return;
}
if (SerialPortObject == null)
{
return;
}
//设置串口数据适配器
MessageDataAdapterObject.SerialPortObject = this;
MessageDataAdapterObject.BufferStream = BufferStream;
//打开串口
SerialPortObject.Open();
//创建解析线程
_resolveWorker = new BackgroundWorker();
_resolveWorker.WorkerSupportsCancellation = true;
_resolveWorker.DoWork += _resolveWorker_DoWork;
_resolveWorker.RunWorkerAsync();
//断开重连线程
_connectionWorker = new BackgroundWorker();
_connectionWorker.WorkerSupportsCancellation = true;
_connectionWorker.DoWork += _connectionWorker_DoWork;
_connectionWorker.RunWorkerAsync();
}
/// <summary>
/// 断开
/// </summary>
public void Disconnect()
{
if (_connectionWorker != null)
{
_connectionWorker.CancelAsync();
_connectionWorker = null;
}
try
{
SerialPortObject.Close();
}
catch (Exception ex) { }
SerialPortObject = null;
_bufferStream = new DataBufferObject();
}
/// <summary>
/// 发送消息
/// </summary>
/// <returns>True=成功,False=失败</returns>
/// <param name="message">数据</param>
public bool SendMessage(byte[] message)
{
bool success = false;
if (IsConnected)
{
try
{
SerialPortObject.Write(message, 0, message.Length);
success = true;
logger.Debug(BitConverter.ToString(message));
}
catch (Exception e)
{
logger.Error(e);
}
}
return(success);
}
void SerialPortObject_DataReceived(object sender, SerialDataReceivedEventArgs e)
{
try
{
if (IsConnected)
{
//可以接收
QueueObject qo = new QueueObject();
qo.Buffer = new byte[SerialPortObject.BytesToRead];
qo.DataLength = SerialPortObject.Read(qo.Buffer, 0, qo.Buffer.Length);
if (qo.DataLength > 0 && qo.Buffer.Length >= 1)
{
BufferStream.AddRangeWithLock(qo.Buffer);
}
}
}
catch (Exception ex)
{
logger.Error(ex.ToString(), ex);
}
}
void _connectionWorker_DoWork(object sender, DoWorkEventArgs e)
{
while (!((BackgroundWorker)sender).CancellationPending)
{
if (SerialPortObject != null)
{
if (!SerialPortObject.IsOpen)
{
//重新连接
try
{
SerialPortObject.Open();
}
catch (Exception ex) { }
}
}
try
{
Thread.Sleep(3000);
}
catch (Exception ex) { }
}
}
public MessageSenderService(SerialPortObject serialPort)
{
SerialPortObject = serialPort;
}
public MessageReaderService(SerialPortObject serialPort)
{
_serialPortObject = serialPort;
_messageBuilder = new MessageBuilder("%", "#");
}
