public void SerialCommunicationInit()
{
port = new SerialPort("COM5", 115200, Parity.None, 8, StopBits.One);
// port = new SerialPort("COM5", 9600, Parity.None, 8, StopBits.One);
port.DataReceived += new SerialDataReceivedEventHandler(port_DataReceived);
currentMessage = new Message();
port.Open();
}
public void SerialCommunicationInit(String COMx)
{
try
{
port = new SerialPort(COMx, 115200, Parity.None, 8, StopBits.One);
// port = new SerialPort(COMx, 9600, Parity.None, 8, StopBits.One);
port.DataReceived += new SerialDataReceivedEventHandler(port_DataReceived);
currentMessage = new Message();
port.Open();
PortIsOpen = true;
}
catch (Exception e)
{
PortIsOpen = false;
}
}
private void port_DataReceived(object sender, SerialDataReceivedEventArgs e)
{
while (port.BytesToRead != 0)
{
byte temp = (byte)port.ReadByte();
if (port.BytesToRead > 10) OnThresholdReached(port.BytesToRead);
// Debug.WriteLine(port.BytesToRead.ToString()+":"+temp.ToString("x16"));
switch (status)
{
case State.unknown:
if (temp == 0xAA)
status = State.sof;
break;
case State.sof:
if (temp == 0x55)
status = State.sync;
else
status = State.unknown;
break;
case State.sync:
currentMessage.id = temp;
status = State.id;
break;
case State.id:
currentMessage.dlc = temp;
bytesToRead = currentMessage.dlc;
if (bytesToRead == 0)
status = State.eof;
else
status = State.dlc;
break;
case State.dlc:
currentMessage.addData(temp);
bytesToRead--;
if (bytesToRead == 0)
status = State.eof;
break;
case State.eof:
if (temp == 0x66)
{
lock (messageList)
{
messageList.Add(currentMessage);
// Debug.WriteLine(currentMessage.id.ToString() + " " + currentMessage.messageData[0].ToString());
}
currentMessage = new Message();
}
status = State.unknown;
break;
default:
status = State.unknown;
break;
}
}
}
public void SendMessage(Main.MsgIDsToMCU Id, Byte ModId, Single val)
{
Message msg = new Message();
msg.ConstructMessage(Id, ModId, val);
port_sendSerialMessage(msg);
}
public void SendMessage(Main.MsgIDsToMCU Id, Byte PowerType, Byte NrOfPoints, UInt16[] CalPoints, Single[] RCvals, Single[] Bvals)
{
Message msg = new Message();
msg.ConstructMessage(Id, PowerType, NrOfPoints, CalPoints, RCvals, Bvals);
port_sendSerialMessage(msg);
}
public void SendMessage(Main.MsgIDsToMCU Id)
{
Message msg = new Message();
msg.ConstructMessage(Id);
port_sendSerialMessage(msg);
}
public void port_sendSerialMessage(Message TxMessage)
{
if (port.IsOpen)
{
byte[] buffer = new byte[TxMessage.dlc + 4];
buffer[0] = SOF_BYTE;
port.Write(buffer, 0, 1);
buffer[0] = SYNC_BYTE;
port.Write(buffer, 0, 1);
buffer[0] = TxMessage.id;
port.Write(buffer, 0, 1);
buffer[0] = TxMessage.dlc;
port.Write(buffer, 0, 1);
port.Write(TxMessage.messageData.ToArray(), 0, TxMessage.dlc);
buffer[0] = EOF_BYTE;
port.Write(buffer, 0, 1);
}
}
