public void EnQueue(IKvController box)
{
requestsList.Enqueue(new Request()
{
Box = box
});
}
public FloatTag(short id, IKvController kvController) : base(id, kvController)
{
}
public ITag(short id, IKvController kvController)
{
this._id = id;
this._controller = kvController;
}
public void Init(SerialPort port)
{
Status = ServiceStatus.Initial;
serialPort = port;
if (!serialPort.IsOpen)
{
serialPort.Open();
LogRequest("CR\r\n");
var i = 0;
while (i < 5)
{
if (serialPort.BytesToRead > 0)
{
var resp = serialPort.ReadLine();
if (resp.StartsWith("CC"))
{
Status = ServiceStatus.Ready;
break;
}
else
{
Status = ServiceStatus.Error;
}
}
Thread.Sleep(10);
i++;
}
if (this.Status != ServiceStatus.Ready)
{
throw new Exception("Connect PLC failed!");
}
}
serialPort.DataReceived += delegate {
if (serialPort.BytesToRead > 0)
{
var resp = serialPort.ReadLine();
if (this.currentBox != null)
{
this.currentBox.UpdateUI(resp);
this.currentBox = null;
}
Status = ServiceStatus.Ready;
}
};
Request nextRequest = null;
var postTask = new Task(delegate {
while (true && Status != ServiceStatus.Stop)
{
if (Status == ServiceStatus.Ready)
{
if (firstPriorityList.Count > 0)
{
nextRequest = firstPriorityList.Dequeue();
}
else if (requestsList.Count > 0)
{
nextRequest = requestsList.Dequeue();
// if(nextRequest.Box!=null){
// var ctrl = (System.Windows.Forms.Control)nextRequest.Box;
// if(!ctrl.IsHandleCreated){
// requestsList.Enqueue(nextRequest);
// Status = ServiceStatus.Ready;
// continue;
// }
// }
}
if (nextRequest.Box != null)
{
currentBox = nextRequest.Box;
}
var cmd = nextRequest.Box != null?nextRequest.Box.GetReadCmd(): nextRequest.RequestText;
if (string.IsNullOrEmpty(cmd))
{
Status = ServiceStatus.Ready;
continue;
}
LogRequest(cmd);
Status = ServiceStatus.Posted;
if (nextRequest.Box != null)
{
if (nextRequest.Box.KVAutoSync)
{
requestsList.Enqueue(nextRequest);
}
}
continue;
}
Thread.Sleep(1);
}
});
postTask.Start();
}