void Awake()
{
if (instance == null)
{
instance = this;
}
DontDestroyOnLoad(this);
/*string portName = CreateCSV.comPortNr;
*
* if (portName != "")
* {
* portName = portName.Remove(0, 3);
*
* int portNumber = int.Parse(portName);
*
* if (portNumber < 10)
* portName = "COM" + portNumber;
* else
* portName = "\\\\.\\" + "COM" + portNumber;
* }
*
*
* //portName = "COM3";// SelectComport.selectedPort;
* serialDevice = new SerialPort(portName, baudRate); //initializes a serial port
* if (serialDevice != null) serialDevice.Close(); //makes sure the device is closed before openning
* serialDevice.Open(); //opens serial device*/
}
void Start()
{
serialController = GetComponent <SerialControl>(); //loads the SerialControl script from this gameObject into serialController.
if (startOnLoad)
{
StartCoroutines();
}
}
public void Connect(string port)
{
serial = SerialControl.Create(port);
serial.AddThread(SerialProcessor, ThreadPriority.Highest);
serial.AddThread(KeepAlive);
Logger.Log("Connecting on " + port);
serial.Open();
}
private void KeepAlive(SerialControl serial)
{
connEstablished = false;
while (!serial.Closed)
{
if (connEstablished && !keepAliveResponded)
{
Logger.Log("Timeout");
ResetConn();
}
SendKeepAlive();
Thread.Sleep(KeepAlivePeriod);
}
}
/// <summary>
/// 打开
/// </summary>
public void Open()
{
if (SerialControl.IsOpen)
{
Close();
}
SerialControl.Parity = Parity;
SerialControl.BaudRate = BandRoate;
SerialControl.StopBits = StopBit;
SerialControl.PortName = PortName;
SerialControl.DataBits = DataP;
SerialControl.Head = 0xee;
SerialControl.End = 0xff;
SerialControl.Open();
}
private void ReadPacket(SerialControl serial)
{
byte idx = serial.ReadByte();
if (connEstablished)
{
if (idx != ++recvIdx)
{
Logger.Log($"Packet Drop. Got {idx}, Expected {recvIdx}");
ResetConn();
return;
}
}
int len = serial.ReadByte();
if (!connEstablished)
{
if (len != KeepAliveLength)
{
return;
}
recvIdx = idx;
}
var arr = new byte[len];
serial.ReadBytes(arr);
byte crcRecv = serial.ReadByte();
byte crcCheck = CRC.crc_update(0, idx);
crcCheck = CRC.crc_update(crcCheck, (byte)len);
crcCheck = CRC.crc_update(crcCheck, arr, 0, arr.Length);
if (crcRecv != crcCheck)
{
if (connEstablished)
{
Logger.Log($"CRC Failed. Recieved {crcRecv:02X}, Calculated {crcCheck:02X}");
ResetConn();
}
return;
}
HandlePacket(new BinaryReader(new MemoryStream(arr)));
}
/// <summary>
/// 关闭
/// </summary>
public void Close()
{
try
{
SerialControl.Close();
SerialControl.Dispose();
SerialControl = null;
}
catch (Exception ex)
{
Log.error("关闭串口失败", ex);
}
finally
{
SerialControl = new SerialControl();
}
}
private void SerialProcessor(SerialControl serial)
{
#if SerialPortStream
byte[] buf = new byte[2048];
serial.port.InvokeEventsOnThreadPool = false;
serial.port.DataReceived += (s, args) => {
if (args.EventType == SerialData.Chars)
{
}
int len = serial.port.Read(buf, 0, buf.Length);
for (int i = 0; i < len; i++)
{
ReadByte(buf[i]);
}
};
#else
try {
var sb = new StringBuilder();
while (true)
{
byte b = serial.ReadByte();
if (b == '!')
{
ReadPacket(serial);
}
else if (!connEstablished)
{
}
else if (b == '\r')
{
}
else if (b == '\n')
{
var s = sb.ToString();
sb.Clear();
Logger.LogDirect(s);
}
else
{
sb.Append((char)b);
}
}
}
catch (OperationCanceledException) {}
#endif
}
/// <summary>
/// 发送数据
/// </summary>
/// <param name="command"></param>
/// <param name="datas"></param>
/// <returns></returns>
private SerialResponse Send(Commands command, List <byte> datas)
{
try
{
SerialRequest serialRequest = SerialControl.CreateRequest();
serialRequest.SetData((byte)command, datas);
SerialResponse response = SerialControl.Send(serialRequest);
if (response.SourceDatas == null || response.SourceDatas.Count() == 0)
{
Log.error("异常，未接收到任何数据");
throw new Exception("异常，为接收到任何数据!");
}
if (response.UserDatas[0] != 0x00)
{
Log.error(string.Format("操作命令异常 : 命令关键字 - {0}, 错误吗 - {1}, 实际接收的全部数据 - {2}"
, serialRequest.KeyWorld.ToString("x2"), response.UserDatas[0].ToString("x2"), response.SourceDatas.JoinToString(",", b =>
b.ToString("X2")
)));
throw new Exception(string.Format("操作命令异常 : 命令关键字 - {0}, 错误吗 - {1}, 实际接收的全部数据 - {2}"
, serialRequest.KeyWorld.ToString("x2"), response.UserDatas[0].ToString("x2"), response.SourceDatas.JoinToString(",", b =>
b.ToString("X2")
)));
}
else
{
Log.log("接受数据 : ", response.SourceDatas.JoinToString(",", b =>
b.ToString("X2")
));
return(response);
}
}
catch (Exception ex)
{
Log.error("发送数据问题：" + ex.Message);
return(null);
}
}
void Start()
{
serialController = SerialControl.instance;
}
void Awake()
{
serialController = SerialControl.instance;
}
public string messageToSend;//message to be sent to serial device
// Use this for initialization
void Start()
{
serialController = GetComponent <SerialControl>(); //loads the SerialControl script from this gameObject into serialController.
}
public void Disconnect()
{
Logger.Log("Closing " + serial.port.PortName);
serial.Close();
serial = null;
}
