public bool Open()
{
try
{
_stream = new SerialPortStream(_serialPort, 57600, 8, Parity.None,
StopBits.One)
{
ReadTimeout = 1000,
WriteTimeout = 1000,
ReadBufferSize = 65535,
WriteBufferSize = 65535
};
_stream.DataReceived += _stream_DataReceived;
_stream.Open();
_connected = true;
}
catch (Exception e)
{
Logger.Logger.Instance.LogError("Could not open serial interface {0} {1}", _serialPort, e);
return(false);
}
return(true);
}
public void SerialPortStream_Flush()
{
using (SerialPortStream src = new SerialPortStream(c_SourcePort, 115200, 8, Parity.None, StopBits.One))
using (SerialPortStream dst = new SerialPortStream(c_DestPort, 115200, 8, Parity.None, StopBits.One)) {
src.WriteTimeout = c_Timeout; src.ReadTimeout = c_Timeout;
dst.WriteTimeout = c_Timeout; dst.ReadTimeout = c_Timeout;
src.Open(); Assert.IsTrue(src.IsOpen);
dst.Open(); Assert.IsTrue(dst.IsOpen);
byte[] sdata = new byte[512];
for (int i = 0; i < sdata.Length; i++)
{
sdata[i] = (byte)(64 + i % 48);
}
src.Write(sdata, 0, sdata.Length);
//System.Threading.Thread.Sleep(10);
src.Flush();
Assert.That(src.BytesToWrite, Is.EqualTo(0));
src.Write(sdata, 0, sdata.Length);
//System.Threading.Thread.Sleep(10);
src.Flush();
Assert.That(src.BytesToWrite, Is.EqualTo(0));
}
}
public void SerialPortStream_WriteReadLine_CharForChar()
{
using (SerialPortStream src = new SerialPortStream(c_SourcePort, 115200, 8, Parity.None, StopBits.One))
using (SerialPortStream dst = new SerialPortStream(c_DestPort, 115200, 8, Parity.None, StopBits.One)) {
src.WriteTimeout = c_Timeout; src.ReadTimeout = c_Timeout;
dst.WriteTimeout = c_Timeout; dst.ReadTimeout = c_Timeout;
src.Open(); Assert.IsTrue(src.IsOpen);
dst.Open(); Assert.IsTrue(dst.IsOpen);
bool err = false;
string s = null;
const string send = "A Brief History Of Time\n";
for (int i = 0; i < send.Length; i++)
{
src.Write(send[i].ToString());
try {
s = dst.ReadLine();
} catch (System.Exception e) {
if (e is TimeoutException)
{
err = true;
}
}
if (i < send.Length - 1)
{
Assert.IsTrue(err, "No timeout exception occurred when waiting for " + send[i].ToString() + " (position " + i.ToString() + ")");
}
}
Assert.AreEqual("A Brief History Of Time", s);
}
}
public void SendReceiveWithBeginEnd()
{
using (SerialPortStream src = new SerialPortStream(SourcePort, 115200, 8, Parity.None, StopBits.One))
using (SerialPortStream dst = new SerialPortStream(DestPort, 115200, 8, Parity.None, StopBits.One)) {
src.WriteTimeout = TimeOut; src.ReadTimeout = TimeOut;
dst.WriteTimeout = TimeOut; dst.ReadTimeout = TimeOut;
src.Open(); Assert.That(src.IsOpen, Is.True);
dst.Open(); Assert.That(dst.IsOpen, Is.True);
SendReceiveAsyncState state = new SendReceiveAsyncState {
src = src,
dst = dst,
sendBuf = new byte[src.WriteBufferSize],
recvBuf = new byte[src.WriteBufferSize + 10]
};
Random r = new Random();
r.NextBytes(state.sendBuf);
// Here we start the read and write in parallel. The read will wait up to c_Timeout for the first byte.
dst.BeginRead(state.recvBuf, 0, state.recvBuf.Length, SendReceiveAsyncReadComplete, state);
src.BeginWrite(state.sendBuf, 0, state.sendBuf.Length, SendReceiveAsyncWriteComplete, state);
if (!state.finished.WaitOne(30000))
{
Assert.Fail("BeginWrite/BeginRead test case timeout");
}
}
}
public void SerialPortStream_ReadTo_Overflow()
{
using (SerialPortStream src = new SerialPortStream(c_SourcePort, 115200, 8, Parity.None, StopBits.One))
using (SerialPortStream dst = new SerialPortStream(c_DestPort, 115200, 8, Parity.None, StopBits.One)) {
src.WriteTimeout = c_Timeout; src.ReadTimeout = c_Timeout;
dst.WriteTimeout = c_Timeout; dst.ReadTimeout = c_Timeout;
src.Open(); Assert.IsTrue(src.IsOpen);
dst.Open(); Assert.IsTrue(dst.IsOpen);
// Send 2048 ASCII characters
Random r = new Random();
byte[] sdata = new byte[2048];
for (int i = 0; i < sdata.Length; i++)
{
sdata[i] = (byte)r.Next(65, 65 + 26);
}
// Wait for the data to be received
src.Write(sdata, 0, sdata.Length);
src.Write("EOF");
while (dst.BytesToRead < sdata.Length)
{
System.Threading.Thread.Sleep(100);
}
string result = dst.ReadTo("EOF");
Assert.AreEqual(0, dst.BytesToRead);
Assert.AreEqual(1024 - 3, result.Length);
int offset = sdata.Length - result.Length;
for (int i = 0; i < result.Length; i++)
{
Assert.AreEqual((int)sdata[offset + i], (int)result[i]);
}
}
}
public void ReadUntilDisconnectAndReadAgainThenClose()
{
byte[] buffer = new byte[8192];
using (SerialPortStream serialSource = new SerialPortStream(SourcePort, 115200, 8, Parity.None, StopBits.One)) {
serialSource.ReadBufferSize = 8192;
serialSource.WriteBufferSize = 8192;
serialSource.Open();
Thread.Sleep(100);
int read = 0;
while (serialSource.Read(buffer, 0, buffer.Length) > 0)
{
Console.WriteLine("In Read Loop");
/* throw away the data */
}
try {
read = serialSource.Read(buffer, 0, buffer.Length);
} catch (System.IO.IOException) {
Console.WriteLine("IOException occurred");
}
Console.WriteLine("Second Read: {0}", read);
serialSource.Close();
}
}
public void SerialPortStream_WriteReadLine_Multilines()
{
using (SerialPortStream src = new SerialPortStream(c_SourcePort, 115200, 8, Parity.None, StopBits.One))
using (SerialPortStream dst = new SerialPortStream(c_DestPort, 115200, 8, Parity.None, StopBits.One)) {
src.WriteTimeout = c_Timeout; src.ReadTimeout = c_Timeout;
dst.WriteTimeout = c_Timeout; dst.ReadTimeout = c_Timeout;
src.Open(); Assert.IsTrue(src.IsOpen);
dst.Open(); Assert.IsTrue(dst.IsOpen);
bool err = false;
string s;
src.Write("Line1\nLine2\n");
s = dst.ReadLine();
Assert.AreEqual("Line1", s);
s = dst.ReadLine();
Assert.AreEqual("Line2", s);
try {
s = dst.ReadLine();
} catch (System.Exception e) {
if (e is TimeoutException)
{
err = true;
}
}
Assert.IsTrue(err, "No timeout exception occurred");
}
}
public void ClosedWhenReadBlocked()
{
byte[] buffer = new byte[1024];
using (ManualResetEvent closedEvent = new ManualResetEvent(false))
using (SerialPortStream serialSource = new SerialPortStream(SourcePort, 115200, 8, Parity.None, StopBits.One))
using (SerialPortStream serialDest = new SerialPortStream(DestPort, 115200, 8, Parity.None, StopBits.One)) {
serialSource.Open();
serialDest.Open();
new Thread(
() => {
Thread.Sleep(2000);
Console.WriteLine("Closing serialSource");
// It appears that the MSDN .NET implementation blocks here, never
// to return as we're blocked on another thread.
closedEvent.Set();
serialSource.Close();
Console.WriteLine("Closed serialSource");
}
).Start();
int bytes = serialSource.Read(buffer, 0, buffer.Length);
Console.WriteLine("Read finished, returned {0} bytes", bytes);
if (!closedEvent.WaitOne(0))
{
Assert.Fail("Read returned before being disposed.");
}
Assert.That(bytes, Is.EqualTo(0));
}
}
public void DisconnectOnWriteAsyncBlocked()
{
byte[] buffer = new byte[8192];
using (SerialPortStream serialSource = new SerialPortStream(SourcePort, 115200, 8, Parity.None, StopBits.One))
using (SerialPortStream serialDest = new SerialPortStream(DestPort, 115200, 8, Parity.None, StopBits.One)) {
serialSource.ReadBufferSize = 8192;
serialSource.WriteBufferSize = 8192;
serialDest.ReadBufferSize = 8192;
serialDest.WriteBufferSize = 8192;
serialSource.Handshake = Handshake.Rts;
serialSource.Open();
serialDest.Open();
serialDest.RtsEnable = false;
Thread.Sleep(100);
Assert.That(
() => {
while (true)
{
Console.WriteLine("DisconnectOnWriteAsyncBlocked BeginWrite");
IAsyncResult ar = serialSource.BeginWrite(buffer, 0, buffer.Length, null, null);
Console.WriteLine("DisconnectOnWriteAsyncBlocked EndWrite");
serialSource.EndWrite(ar);
}
}, Throws.InstanceOf <System.IO.IOException>());
// Device should still be open.
Assert.That(serialSource.IsOpen, Is.True);
serialSource.Close();
}
}
private void portSelect_SelectedIndexChanged(object sender, EventArgs e)
{
if ((string)portSelect.SelectedItem == "(none)")
{
portStream.Close();
}
else
{
try
{
portStream.PortName = (string)portSelect.SelectedItem;
portStream.Open();
}
catch
{
portStream.Close();
RefreshPorts();
}
}
transmitButton.Enabled = portStream.IsOpen;
if (portStream.IsOpen)
{
statLabel.Text = "Connected to " + portStream.PortName;
}
else
{
statLabel.Text = "Not connected";
}
}
public override void EstablishSync()
{
var ports = SerialPortStream.GetPortNames();
var newPort = ports.Except(originalPorts).SingleOrDefault();
if (newPort == null)
{
UploaderLogger.LogErrorAndThrow(
string.Format(
"No (unambiguous) virtual COM port detected (after {0}ms).",
VIRTUAL_COM_CREATION_TIMEOUT));
}
SerialPort = new SerialPortStream
{
BaudRate = 57600,
PortName = newPort,
DataBits = 8,
Parity = Parity.None,
StopBits = StopBits.One,
Handshake = Handshake.DtrRts
};
try
{
SerialPort.Open();
}
catch (Exception ex)
{
UploaderLogger.LogErrorAndThrow(
string.Format("Unable to open serial port - {0}.", ex.Message));
}
}
public override void Open()
{
var portName = serialPortConfig.PortName;
var baudRate = serialPortConfig.BaudRate;
logger.Info("Opening serial port {0} - baudrate {1}", serialPortConfig.PortName, serialPortConfig.BaudRate);
SerialPort = new SerialPortStream(portName, baudRate)
{
ReadTimeout = serialPortConfig.ReadTimeOut,
WriteTimeout = serialPortConfig.WriteTimeOut,
DtrEnable = true // This means the Arduino will reset the moment we open the serial connection.
};
try
{
SerialPort.Open();
}
catch (ObjectDisposedException ex)
{
UploaderLogger.LogErrorAndQuit(
string.Format("Unable to open serial port {0} - {1}.", portName, ex.Message));
}
catch (InvalidOperationException ex)
{
UploaderLogger.LogErrorAndQuit(
string.Format("Unable to open serial port {0} - {1}.", portName, ex.Message));
}
logger.Trace("Opened serial port {0} with baud rate {1}!", portName, baudRate);
}
[Timeout(2000)] // We abort the test after timeout. This tests the blocking behavior in ReadAsync and the test will fail if ReadAsync blocks.
public async Task WriteAsync()
{
using (var serialPortStreamWrite = new SerialPortStream("COM1", 9600, 8, Parity.None, StopBits.One))
using (var serialPortStreamRead = new SerialPortStream("COM2", 9600, 8, Parity.None, StopBits.One))
{
serialPortStreamWrite.Open();
serialPortStreamRead.Open();
var buffer = new byte[1024];
var readTask = Task.Run(async() => await serialPortStreamRead.ReadAsync(buffer, 0, buffer.Length));
var bytes = new byte[] { 0x01, 0x02, 0x03 };
await serialPortStreamWrite.WriteAsync(bytes, 0, bytes.Length);
await serialPortStreamWrite.FlushAsync();
// ReadAsync blocks here even if something gets written and flushed to the underlying COM device.
// Fails for netcoreapp3.1, works with net472
await readTask;
Assert.That(buffer[0], Is.EqualTo(0x01));
Assert.That(buffer[1], Is.EqualTo(0x02));
Assert.That(buffer[2], Is.EqualTo(0x03));
}
}
public static List <List <double> > begin_test(SerialPortStream port)
{
port.Open();
Console.WriteLine("Press any button to begin");
Console.ReadKey(true);
port.Write("<1>");
List <List <double> > data = new List <List <double> >();
bool collecting_data = true;
while (collecting_data)
{
if (port.BytesToRead > 0)
{
string s = port.ReadLine();
s = Regex.Replace(s, @"\r", string.Empty);
if (s == "Done")
{
collecting_data = false;
break;
}
string[] message = s.Split(',');
List <double> temp = new List <double>();
foreach (string element in message)
{
double value = Convert.ToDouble(element);
temp.Add(value);
Console.WriteLine(element);
}
data.Add(temp);
}
}
return(data);
}
public void Flush()
{
using (SerialPortStream src = new SerialPortStream(SourcePort, 115200, 8, Parity.None, StopBits.One))
using (SerialPortStream dst = new SerialPortStream(DestPort, 115200, 8, Parity.None, StopBits.One)) {
src.WriteTimeout = TimeOut; src.ReadTimeout = TimeOut;
dst.WriteTimeout = TimeOut; dst.ReadTimeout = TimeOut;
src.Open(); Assert.That(src.IsOpen, Is.True);
dst.Open(); Assert.That(dst.IsOpen, Is.True);
byte[] sdata = new byte[512];
for (int i = 0; i < sdata.Length; i++)
{
sdata[i] = (byte)(64 + i % 48);
}
// It should take 512 * 10 / 115200 s = 44ms to send, timeout of 300ms.
src.Write(sdata, 0, sdata.Length);
src.Flush();
Assert.That(src.BytesToWrite, Is.EqualTo(0));
src.Write(sdata, 0, sdata.Length);
src.Flush();
Assert.That(src.BytesToWrite, Is.EqualTo(0));
}
}
/// <summary>
/// 接続を開きます
/// </summary>
/// <param name="port">The name of the COM port, such as "COM1" or "COM33".</param>
/// <param name="baud">The baud rate that is passed to the underlying driver.</param>
/// <param name="data">
/// The number of data bits. This is checked that the driver supports the data bits
/// provided. The special type 16X is not supported.
/// </param>
/// <param name="parity">The parity for the data stream.</param>
/// <param name="stopbits">Number of stop bits.</param>
public void Open(string port, int baud, int data, Parity parity, StopBits stopbits)
{
_logger.LogTrace("Open");
serialPort = new SerialPortStream(port, baud, data, parity, stopbits);
serialPort.DataReceived += DataReceived;
serialPort.Open();
}
public void DtrDisableBeforeOpen()
{
SerialPortStream serial = null;
try {
serial = new SerialPortStream(SourcePort)
{
BaudRate = 115200,
DataBits = 8,
Parity = Parity.None,
DtrEnable = false,
StopBits = StopBits.One,
ReadTimeout = -1,
WriteTimeout = -1
};
serial.Open();
Assert.That(serial.DtrEnable, Is.False);
} finally {
if (serial != null)
{
serial.Dispose();
}
}
}
public void ReadToOverflow()
{
using (SerialPortStream src = new SerialPortStream(SourcePort, 115200, 8, Parity.None, StopBits.One))
using (SerialPortStream dst = new SerialPortStream(DestPort, 115200, 8, Parity.None, StopBits.One)) {
src.WriteTimeout = TimeOut; src.ReadTimeout = TimeOut;
dst.WriteTimeout = TimeOut; dst.ReadTimeout = TimeOut;
src.Open(); Assert.That(src.IsOpen, Is.True);
dst.Open(); Assert.That(dst.IsOpen, Is.True);
// Send 2048 ASCII characters
Random r = new Random();
byte[] sdata = new byte[2048];
for (int i = 0; i < sdata.Length; i++)
{
sdata[i] = (byte)r.Next(65, 65 + 26);
}
// Wait for the data to be received
src.Write(sdata, 0, sdata.Length);
src.Write("EOF");
while (dst.BytesToRead < sdata.Length)
{
Thread.Sleep(100);
}
string result = dst.ReadTo("EOF");
Assert.That(dst.BytesToRead, Is.EqualTo(0));
Assert.That(result.Length, Is.EqualTo(1024 - 3));
int offset = sdata.Length - result.Length;
for (int i = 0; i < result.Length; i++)
{
Assert.That((int)result[i], Is.EqualTo(sdata[offset + i]));
}
}
}
public void Prepare(Configurations configuration)
{
Current = this;
SerialPortStream serialPortStream = new SerialPortStream(configuration.SerialPortName,
configuration.SerialPortBaudRate,
configuration.SerialPortDataBits,
configuration.SerialPortParity,
configuration.SerialPortStopBits);
serialPortStream.Open( );
SerialManager = new StreamManager(serialPortStream, configuration.ReceiveMode, configuration.SendMode);
SerialManager.Run( );
if (configuration.IsStatusServer)
{
TcpListener listener = new TcpListener(IPAddress.Any, configuration.StatusPort);
}
else
{
TcpClient client = new TcpClient(configuration.StatusServerHostName, configuration.StatusPort);
SslStream sslStream = new SslStream(client.GetStream( ),
false,
ValidateServerCertificate,
null);
sslStream.AuthenticateAsClient(configuration.StatusServerHostName);
SocketManager = new StreamManager(sslStream, configuration.ReceiveMode, configuration.SendMode);
}
}
public void ModemSignalsWithSleep10()
{
// On some chipsets (PL2303H Win7 x86), need small delays for this test case to work properly.
using (SerialPortStream src = new SerialPortStream(SourcePort))
using (SerialPortStream dst = new SerialPortStream(DestPort)) {
src.Handshake = Handshake.None;
dst.Handshake = Handshake.None;
src.Open();
dst.Open();
src.RtsEnable = false;
Thread.Sleep(10); // Required for PL2303H
Assert.That(dst.CtsHolding, Is.False);
src.RtsEnable = true;
Thread.Sleep(10); // Required for PL2303H
Assert.That(dst.CtsHolding, Is.True);
src.DtrEnable = false;
Thread.Sleep(10); // Required for PL2303H
Assert.That(dst.DsrHolding, Is.False);
src.DtrEnable = true;
Thread.Sleep(10); // Required for PL2303H
Assert.That(dst.DsrHolding, Is.True);
}
}
public async Task <bool> Connect()
{
if (_serial == null)
{
_serial = new SerialPortStream();
_serial.PortName = Name;
_serial.BaudRate = Baud;
_serial.Parity = Parity;
_serial.DataBits = DataBits;
_serial.StopBits = StopBits;
_serial.Handshake = Handshake;
}
try
{
if (!_serial.IsOpen)
{
await Task.Factory.StartNew(() => _serial.Open());
}
Stream = _serial;
return(true);
}
catch (Exception)
{
return(false);
}
}
/// <summary>
/// Initializes work of Arduino
/// </summary>
public void Initialize()
{
if (!_serialPort.IsOpen)
{
_serialPort.Open();
}
}
public void ReadCharsWithTimeout()
{
using (SerialPortStream dst = new SerialPortStream(DestPort, 115200, 8, Parity.None, StopBits.One))
using (SerialPortStream src = new SerialPortStream(SourcePort, 115200, 8, Parity.None, StopBits.One)) {
src.WriteTimeout = 2 * TimeOut + 500; src.ReadTimeout = 2 * TimeOut + 500;
dst.WriteTimeout = 2 * TimeOut + 500; dst.ReadTimeout = 2 * TimeOut + 500;
src.Open(); Assert.That(src.IsOpen, Is.True);
dst.Open(); Assert.That(dst.IsOpen, Is.True);
new Thread(() => {
Thread.Sleep(TimeOut + 500);
byte[] send = new byte[] { 0x65, 0x66, 0x67 };
src.Write(send, 0, send.Length);
}).Start();
char[] recv = new char[5];
int cread = 0; int counter = 0;
while (cread < 3 && counter < 5)
{
cread += dst.Read(recv, cread, recv.Length - cread);
counter++;
Console.WriteLine("dst.Read. Got cread={0} bytes in {1} loops", cread, counter);
}
for (int i = 0; i < cread; i++)
{
Console.WriteLine("cread[{0}] = {1}", i, recv[i]);
}
Assert.That(cread, Is.EqualTo(3));
Assert.That(recv[0], Is.EqualTo('e'));
Assert.That(recv[1], Is.EqualTo('f'));
Assert.That(recv[2], Is.EqualTo('g'));
}
}
public void ReadToWithOverflow2()
{
using (SerialPortStream src = new SerialPortStream(SourcePort, 115200, 8, Parity.None, StopBits.One))
using (SerialPortStream dst = new SerialPortStream(DestPort, 115200, 8, Parity.None, StopBits.One)) {
src.WriteTimeout = -1; src.ReadTimeout = -1;
dst.WriteTimeout = -1; dst.ReadTimeout = -1;
src.Open(); Assert.That(src.IsOpen, Is.True);
dst.Open(); Assert.That(dst.IsOpen, Is.True);
byte[] writeData = new byte[2048];
for (int i = 0; i < writeData.Length - 1; i++)
{
writeData[i] = (byte)((i % 26) + 0x41);
}
writeData[writeData.Length - 1] = (byte)'\n';
// We write 2048 bytes that starts with A..Z repeated.
// Position 0 = A
// Position 1023 = J
// Position 1024 = K
// Position 2047 = \n
src.Write(writeData, 0, writeData.Length);
string line = dst.ReadLine();
Assert.That(line[0], Is.EqualTo('K'));
Assert.That(line.Length, Is.EqualTo(1023)); // Is 1024 - Length('\n').
}
}
public void ReadToResetWithOverflow()
{
using (SerialPortStream src = new SerialPortStream(SourcePort, 115200, 8, Parity.None, StopBits.One))
using (SerialPortStream dst = new SerialPortStream(DestPort, 115200, 8, Parity.None, StopBits.One)) {
src.WriteTimeout = TimeOut; src.ReadTimeout = TimeOut;
dst.WriteTimeout = TimeOut; dst.ReadTimeout = TimeOut;
src.Open(); Assert.That(src.IsOpen, Is.True);
dst.Open(); Assert.That(dst.IsOpen, Is.True);
byte[] writeData = new byte[2048];
for (int i = 0; i < writeData.Length; i++)
{
writeData[i] = (byte)((i % 26) + 0x41);
}
// We write 2048 bytes that starts with A..Z repeated.
// Position 0 = A
// Position 1023 = J
// To read a line, it parses the 2048 characters, not finding a new line. Then we read a character and
// we expect to get 'A'.
src.Write(writeData, 0, writeData.Length);
Assert.That(() => { dst.ReadLine(); }, Throws.Exception.TypeOf <TimeoutException>());
Assert.That(dst.ReadChar(), Is.EqualTo((int)'A'));
}
}
/// <summary>
/// Reads and writes data to an arduino controller through a serialport to
/// </summary>
/// <param name="force">Force applied to point of rotation</param>
/// <returns>Returns current angle of pendulum</returns>
public double Calculate(double force)
{
// Read data from MPU6050
// Write data to DC Motor
// DC motor must not be based on velocity, the output should be based on torque change
// IE higher motor output doesn't just increase speed, it also increases torque
if (serialPort.IsOpen && serialPort.CanRead && serialPort.CanWrite)
{
//Write motor force to arduino
serialPort.WriteLine(force.ToString());
//Read current angle from arduino
Double.TryParse(serialPort.ReadLine(), out double arduinoMPUData);
theta = arduinoMPUData;
}
else
{
try
{
serialPort.Open();
}
catch (Exception ex) { }
//Use to test functionality of this application
//modifier -= force * 0.001;
//theta += modifier;
}
return(theta);
}
public void Connect()
{
try
{
if (_serialPort.IsOpen)
{
_serialPort.Close();
}
_serialPort.ReadTimeout = -1;
_serialPort.ErrorReceived += _serialPort_ErrorReceived;
_serialPort.Open();
if (_serialPort.IsOpen)
{
if (OnConnected != null)
{
OnConnected();
}
_continue = true;
_serialReadThread = new Thread(SerialPortRead);
_serialReadThread.Start();
}
} catch (Exception e)
{
if (OnDisconnected != null)
{
OnDisconnected(e.Message);
}
}
}
public bool Initialize()
{
try
{
header = new byte[MAGIC.Length + 3];
Array.Copy(MAGIC, header, MAGIC.Length);
byte hi, lo, chk;
hi = (byte)((LedCount - 1) >> 8);
lo = (byte)((LedCount - 1) & 0xff);
chk = (byte)(hi ^ lo ^ 0x55);
header[MAGIC.Length] = hi;
header[MAGIC.Length + 1] = lo;
header[MAGIC.Length + 2] = chk;
if (port != null)
{
lock (port)
{
port.Dispose();
}
}
port = new SerialPortStream();
port.PortName = SerialPort;
port.BaudRate = Baudrate;
port.Open();
AssignLeds();
isInitialized = true;
crashed = false;
return(true);
}
catch (Exception ex)
{
Crash(ex, "Initialization");
return(false);
}
}
private async Task <string> RunBootLoader(string nonBootLoaderPort, List <string> baselinePorts)
{
var port = new SerialPortStream(nonBootLoaderPort, 1200);
port.Open();
await Task.Delay(TimeSpan.FromSeconds(1));
port.Close();
int triesRemaining = 8;
while (triesRemaining > 0)
{
await Task.Delay(TimeSpan.FromSeconds(1));
var candidates = SerialPortStream.GetPortNames().ToList();
string candidateBootloaderPort = DetectNewPort(baselinePorts, candidates);
if (!string.IsNullOrWhiteSpace(candidateBootloaderPort))
{
return(candidateBootloaderPort);
}
--triesRemaining;
}
return(string.Empty);
}
public void DiscardOutBuffer()
{
using (SerialPortStream serialSource = new SerialPortStream(SourcePort, 115200, 8, Parity.None, StopBits.One)) {
serialSource.Open();
serialSource.DiscardOutBuffer();
}
}
public void SerialPortStream_Basic()
{
using (SerialPortStream src = new SerialPortStream(c_SourcePort, 115200, 8, Parity.None, StopBits.One)) {
src.WriteTimeout = 100;
src.ReadTimeout = 100;
Assert.IsTrue(src.CanRead);
Assert.IsFalse(src.CanWrite);
Assert.AreEqual(c_SourcePort, src.PortName);
Assert.AreEqual(0, src.BytesToRead);
Assert.AreEqual(0, src.BytesToWrite);
src.Open();
Assert.IsTrue(src.CanRead);
Assert.IsTrue(src.CanWrite);
Assert.IsTrue(src.IsOpen);
src.Close();
Assert.IsTrue(src.CanRead);
Assert.IsFalse(src.CanWrite);
Assert.IsFalse(src.IsOpen);
}
}
public void SerialPortStream_WriteReadLine_MbcsByteForByte()
{
using (SerialPortStream src = new SerialPortStream(c_SourcePort, 115200, 8, Parity.None, StopBits.One))
using (SerialPortStream dst = new SerialPortStream(c_DestPort, 115200, 8, Parity.None, StopBits.One)) {
src.WriteTimeout = c_Timeout; src.ReadTimeout = c_Timeout;
dst.WriteTimeout = c_Timeout; dst.ReadTimeout = c_Timeout;
src.Open(); Assert.IsTrue(src.IsOpen);
dst.Open(); Assert.IsTrue(dst.IsOpen);
bool err = false;
string s = null;
byte[] buf = new byte[] {
0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A,
0xE2, 0x82, 0xAC, 0x0A
};
for (int i = 0; i < buf.Length; i++) {
src.Write(buf, i, 1);
try {
s = dst.ReadLine();
} catch (System.Exception e) {
if (e is TimeoutException) err = true;
}
if (i < buf.Length - 1) {
Assert.IsTrue(err, "No timeout exception occurred when waiting for " + buf[i].ToString("X2") + " (position " + i.ToString() + ")");
}
}
Assert.AreEqual("ABCDEFGHIJ€", s);
}
}
public void SerialPortStream_WriteReadLine_Timeout2()
{
using (SerialPortStream src = new SerialPortStream(c_SourcePort, 115200, 8, Parity.None, StopBits.One))
using (SerialPortStream dst = new SerialPortStream(c_DestPort, 115200, 8, Parity.None, StopBits.One)) {
src.WriteTimeout = c_Timeout; src.ReadTimeout = c_Timeout;
dst.WriteTimeout = c_Timeout; dst.ReadTimeout = c_Timeout;
src.Open(); Assert.IsTrue(src.IsOpen);
dst.Open(); Assert.IsTrue(dst.IsOpen);
bool err = false;
string s;
src.Write("Test");
try {
s = dst.ReadLine();
} catch (System.Exception e) {
if (e is TimeoutException) err = true;
}
Assert.IsTrue(err, "No timeout exception occurred");
src.WriteLine("String");
s = dst.ReadLine();
Assert.AreEqual("TestString", s);
}
}
public void SerialPortStream_SendReceive()
{
using (SerialPortStream src = new SerialPortStream(c_SourcePort, 115200, 8, Parity.None, StopBits.One))
using (SerialPortStream dst = new SerialPortStream(c_DestPort, 115200, 8, Parity.None, StopBits.One)) {
src.WriteTimeout = c_Timeout; src.ReadTimeout = c_Timeout;
dst.WriteTimeout = c_Timeout; dst.ReadTimeout = c_Timeout;
src.Open(); Assert.IsTrue(src.IsOpen);
dst.Open(); Assert.IsTrue(dst.IsOpen);
// Send Maximum data in one go
byte[] sendbuf = new byte[src.WriteBufferSize];
#if true
Random r = new Random();
r.NextBytes(sendbuf);
#else
for (int i = 0; i < sendbuf.Length; i++) {
sendbuf[i] = (byte)((i % 77) + 1);
}
#endif
src.Write(sendbuf, 0, sendbuf.Length);
// Receive sent data
int rcv = 0;
int c = 0;
byte[] rcvbuf = new byte[sendbuf.Length + 10];
while (rcv < rcvbuf.Length) {
Trace.WriteLine("Begin Receive: Offset=" + rcv.ToString() + "; Count=" + (rcvbuf.Length - rcv).ToString());
int b = dst.Read(rcvbuf, rcv, rcvbuf.Length - rcv);
if (b == 0) {
if (c == 0) break;
c++;
} else {
c = 0;
}
rcv += b;
}
bool dump = false;
if (rcv != sendbuf.Length) {
Trace.WriteLine("Read length not the same as the amount of data sent (got " + rcv.ToString() + " bytes)");
dump = true;
}
for (int i = 0; i < sendbuf.Length; i++) {
if (sendbuf[i] != rcvbuf[i]) {
Trace.WriteLine("Comparison failure at " + i.ToString());
dump = true;
break;
}
}
if (dump) {
Trace.WriteLine("Send Buffer DUMP");
for (int i = 0; i < sendbuf.Length; i++) {
Trace.WriteLine(sendbuf[i].ToString("X2"));
}
Trace.WriteLine("Receive Buffer DUMP");
for (int i = 0; i < rcv; i++) {
Trace.WriteLine(rcvbuf[i].ToString("X2"));
}
}
src.Close();
dst.Close();
Assert.IsFalse(dump, "Error in transfer");
}
}
public void SerialPortStream_WriteReadLine_CharForChar()
{
using (SerialPortStream src = new SerialPortStream(c_SourcePort, 115200, 8, Parity.None, StopBits.One))
using (SerialPortStream dst = new SerialPortStream(c_DestPort, 115200, 8, Parity.None, StopBits.One)) {
src.WriteTimeout = c_Timeout; src.ReadTimeout = c_Timeout;
dst.WriteTimeout = c_Timeout; dst.ReadTimeout = c_Timeout;
src.Open(); Assert.IsTrue(src.IsOpen);
dst.Open(); Assert.IsTrue(dst.IsOpen);
bool err = false;
string s = null;
const string send = "A Brief History Of Time\n";
for (int i = 0; i < send.Length; i++) {
src.Write(send[i].ToString());
try {
s = dst.ReadLine();
} catch (System.Exception e) {
if (e is TimeoutException) err = true;
}
if (i < send.Length - 1) {
Assert.IsTrue(err, "No timeout exception occurred when waiting for " + send[i].ToString() + " (position " + i.ToString() + ")");
}
}
Assert.AreEqual("A Brief History Of Time", s);
}
}
public void SerialPortStream_SendAndFlush1()
{
using (SerialPortStream dst = new SerialPortStream(c_DestPort, 115200, 8, Parity.None, StopBits.One))
using (SerialPortStream src = new SerialPortStream(c_SourcePort, 115200, 8, Parity.None, StopBits.One)) {
// Required for com0com to send the data (the remote side must receive it)
dst.Open();
src.Open();
src.WriteLine("Connected");
src.Flush();
}
}
public void SerialPortStream_WriteReadLine()
{
using (SerialPortStream src = new SerialPortStream(c_SourcePort, 115200, 8, Parity.None, StopBits.One))
using (SerialPortStream dst = new SerialPortStream(c_DestPort, 115200, 8, Parity.None, StopBits.One)) {
src.WriteTimeout = c_Timeout; src.ReadTimeout = c_Timeout;
dst.WriteTimeout = c_Timeout; dst.ReadTimeout = c_Timeout;
src.Open(); Assert.IsTrue(src.IsOpen);
dst.Open(); Assert.IsTrue(dst.IsOpen);
string s;
src.WriteLine("TestString");
s = dst.ReadLine();
Assert.AreEqual("TestString", s);
}
}
public void SerialPortStream_ReadTo_Normal()
{
using (SerialPortStream src = new SerialPortStream(c_SourcePort, 115200, 8, Parity.None, StopBits.One))
using (SerialPortStream dst = new SerialPortStream(c_DestPort, 115200, 8, Parity.None, StopBits.One)) {
src.WriteTimeout = c_Timeout; src.ReadTimeout = c_Timeout;
dst.WriteTimeout = c_Timeout; dst.ReadTimeout = c_Timeout;
src.Open(); Assert.IsTrue(src.IsOpen);
dst.Open(); Assert.IsTrue(dst.IsOpen);
string s;
src.Write("superfoobar");
s = dst.ReadTo("foo");
Assert.AreEqual("super", s);
s = dst.ReadExisting();
Assert.AreEqual("bar", s);
}
}
public void SerialPortStream_SendAndFlush2()
{
using (SerialPortStream dst = new SerialPortStream(c_DestPort, 115200, 8, Parity.None, StopBits.One))
using (SerialPortStream src = new SerialPortStream(c_SourcePort, 115200, 8, Parity.None, StopBits.One)) {
// Required for com0com to send the data (the remote side must receive it)
dst.Open();
Trace.WriteLine("1. Open()");
src.Open();
Trace.WriteLine("2. WriteLine()");
src.WriteLine("Connected");
Trace.WriteLine("3. Sleep()");
System.Threading.Thread.Sleep(100);
Trace.WriteLine("4. WriteLine()");
src.WriteLine("Disconnected");
Trace.WriteLine("5. Flush()");
src.Flush();
Trace.WriteLine("6. Dispose()");
}
}
public void SerialPortStream_OpenInUse()
{
using (SerialPortStream src = new SerialPortStream(c_SourcePort, 115200, 8, Parity.None, StopBits.One)) {
src.Open();
using (SerialPortStream s2 = new SerialPortStream(c_SourcePort, 9600, 8, Parity.None, StopBits.One)) {
bool err = false;
try {
s2.Open();
} catch {
err = true;
}
Assert.IsTrue(err, "Expected exception opening the port twice");
}
}
}
public void SerialPortStream_ReadTo_Overflow()
{
using (SerialPortStream src = new SerialPortStream(c_SourcePort, 115200, 8, Parity.None, StopBits.One))
using (SerialPortStream dst = new SerialPortStream(c_DestPort, 115200, 8, Parity.None, StopBits.One)) {
src.WriteTimeout = c_Timeout; src.ReadTimeout = c_Timeout;
dst.WriteTimeout = c_Timeout; dst.ReadTimeout = c_Timeout;
src.Open(); Assert.IsTrue(src.IsOpen);
dst.Open(); Assert.IsTrue(dst.IsOpen);
// Send 2048 ASCII characters
Random r = new Random();
byte[] sdata = new byte[2048];
for (int i = 0; i < sdata.Length; i++) {
sdata[i] = (byte)r.Next(65, 65 + 26);
}
// Wait for the data to be received
src.Write(sdata, 0, sdata.Length);
src.Write("EOF");
while (dst.BytesToRead < sdata.Length) {
System.Threading.Thread.Sleep(100);
}
string result = dst.ReadTo("EOF");
Assert.AreEqual(0, dst.BytesToRead);
Assert.AreEqual(1024 - 3, result.Length);
int offset = sdata.Length - result.Length;
for (int i = 0; i < result.Length; i++) {
Assert.AreEqual((int)sdata[offset + i], (int)result[i]);
}
}
}
public void SerialPortStream_OpenClose()
{
SerialPortStream src;
using (src = new SerialPortStream(c_SourcePort, 115200, 8, Parity.None, StopBits.One)) {
src.WriteTimeout = 100;
src.ReadTimeout = 100;
Assert.IsTrue(src.CanRead);
Assert.IsFalse(src.CanWrite);
Assert.IsFalse(src.IsOpen);
Assert.IsFalse(src.IsDisposed);
src.Open();
Assert.IsTrue(src.CanRead);
Assert.IsTrue(src.CanWrite);
Assert.IsTrue(src.IsOpen);
Assert.IsFalse(src.IsDisposed);
src.Close();
Assert.IsTrue(src.CanRead);
Assert.IsFalse(src.CanWrite);
Assert.IsFalse(src.IsOpen);
Assert.IsFalse(src.IsDisposed);
src.Open();
Assert.IsTrue(src.CanRead);
Assert.IsTrue(src.CanWrite);
Assert.IsTrue(src.IsOpen);
Assert.IsFalse(src.IsDisposed);
src.Close();
Assert.IsTrue(src.CanRead);
Assert.IsFalse(src.CanWrite);
Assert.IsFalse(src.IsOpen);
Assert.IsFalse(src.IsDisposed);
}
Assert.IsTrue(src.IsDisposed);
}
public void SerialPortStream_ReadTo_Cached()
{
using (SerialPortStream src = new SerialPortStream(c_SourcePort, 115200, 8, Parity.None, StopBits.One))
using (SerialPortStream dst = new SerialPortStream(c_DestPort, 115200, 8, Parity.None, StopBits.One)) {
src.WriteTimeout = c_Timeout; src.ReadTimeout = c_Timeout;
dst.WriteTimeout = c_Timeout; dst.ReadTimeout = c_Timeout;
src.Open(); Assert.IsTrue(src.IsOpen);
dst.Open(); Assert.IsTrue(dst.IsOpen);
bool err = false;
string s;
src.Write("foobar");
try {
s = dst.ReadTo("baz");
} catch (System.Exception e) {
if (e is TimeoutException) err = true;
}
Assert.IsTrue(err, "No timeout exception occurred when reading 'baz'");
s = dst.ReadTo("foo");
Assert.AreEqual("", s);
s = dst.ReadTo("bar");
Assert.AreEqual("", s);
try {
s = dst.ReadTo("baz");
} catch (System.Exception e) {
if (e is TimeoutException) err = true;
}
Assert.IsTrue(err, "No timeout exception occurred when reading 'baz' when empty");
}
}
