/// <summary>
///
/// </summary>
/// <param name="frame"></param>
public void SendData(ProtocolFrame frame)
{
if (Connected)
{
_serialPort.Write(frame.ConvertFrameToByteArray(), 0, frame.FrameLength);
OnMessageSent(frame);
}
}
public ProtocolFrameMessage(ProtocolFrame frame, bool isOutputFrame = false)
{
Frame = frame;
IsOutputFrame = isOutputFrame;
}
/// <summary>
///
/// </summary>
/// <param name="frame"></param>
private void UpdateSlave(ProtocolFrame frame)
{
int slaveId = frame.Id;
if (!Slaves.ContainsKey(slaveId))
Slaves[slaveId] = new SlaveModel() { SlaveId = slaveId };
var cmd = new string(frame.Command);
switch(cmd)
{
case "SA":
Slaves[slaveId].AnalogValue = BitConverter.ToInt16(frame.Data,0);
break;
case "SD":
Slaves[slaveId].DigitalValue = BitConverter.ToUInt16(frame.Data,0);
break;
case "AS":
case "ID":
Slaves[slaveId].AnalogValue = BitConverter.ToInt16(frame.Data, 0);
Slaves[slaveId].DigitalValue = BitConverter.ToUInt16(frame.Data, frame.DataLength / 2);
break;
}
}
private void OnSlaveUpdated(ProtocolFrame frame, int slaveId)
{
var handler = SlaveUpdated;
handler.Invoke(this, new MessageStatusChangedEventArgs(frame, slaveId));
}
private void OnMessageSent(ProtocolFrame frame)
{
var handler = MessageSent;
handler?.Invoke(this, new MessageStatusChangedEventArgs(frame));
}
/// <summary>
///
/// </summary>
/// <param name="slave"></param>
/// <param name="command"></param>
/// <returns></returns>
private ProtocolFrame ConvertSlaveModelToProtocolFrame(SlaveModel slave, string command )
{
ProtocolFrame frame = null;
switch (command)
{
case "SA":
frame = new ProtocolFrame(slave.SlaveId, command.ToCharArray(), BitConverter.GetBytes(slave.AnalogValue));
break;
case "SD":
frame = new ProtocolFrame(slave.SlaveId, command.ToCharArray(), BitConverter.GetBytes(slave.DigitalValue));
break;
case "AS":
var concatedArray = BitConverter.GetBytes(slave.AnalogValue).Concat(BitConverter.GetBytes(slave.DigitalValue)).ToArray();
frame = new ProtocolFrame(slave.SlaveId, command.ToCharArray(), concatedArray);
break;
case "ID":
frame = new ProtocolFrame(slave.SlaveId, command.ToCharArray(), null);
break;
}
return frame;
}
public MessageStatusChangedEventArgs(ProtocolFrame frame, int slaveId = 255)
{
Frame = frame;
SlaveId = slaveId;
}
/// <summary>
///
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected override void SerialPort_DataReceived(object sender, SerialDataReceivedEventArgs e)
{
_lastIncomingFrame = ReadData();
UpdateSlave(_lastIncomingFrame);
OnSlaveUpdated(_lastIncomingFrame, _lastIncomingFrame.Id);
}
