private void AttemptConnect()
{
connected = false;
UInt32 DeviceCount = 0;
FTDI.FT_STATUS ftStatus = FTDI.FT_STATUS.FT_OK;
// Create new instance of the FTDI device class
ftdi = new FTDI();
// Determine the number of FTDI devices connected to the machine
ftStatus = ftdi.GetNumberOfDevices( ref DeviceCount );
// Check status
if(ftStatus != FTDI.FT_STATUS.FT_OK || DeviceCount == 0)
{
commStat = CommStatus.NoDevice;
return;
}
commStat = CommStatus.NoElev8;
// Allocate storage for device info list
FTDI.FT_DEVICE_INFO_NODE[] DeviceList = new FTDI.FT_DEVICE_INFO_NODE[DeviceCount];
try
{
// Populate our device list
ftStatus = ftdi.GetDeviceList( DeviceList );
bool FoundElev8 = false;
for(int i = 0; i < DeviceCount && FoundElev8 == false; i++)
{
if(DeviceList[i].Type != FTDI.FT_DEVICE.FT_DEVICE_X_SERIES) continue;
for(int baud = 0; baud < 2; baud++)
{
ftStatus = ftdi.OpenBySerialNumber( DeviceList[i].SerialNumber );
if(ftStatus == FTDI.FT_STATUS.FT_OK)
{
string portName;
ftdi.GetCOMPort( out portName );
if(portName == null || portName == "")
{
ftdi.Close();
continue;
}
if(baud == 0) {
ftdi.SetBaudRate( 115200 ); // try this first
}
else {
ftdi.SetBaudRate( 57600 ); // then try this (xbee)
}
ftdi.SetDataCharacteristics( 8, 1, 0 );
ftdi.SetFlowControl( FTDI.FT_FLOW_CONTROL.FT_FLOW_NONE, 0, 0 );
txBuffer[0] = (byte)'E';
txBuffer[1] = (byte)'l';
txBuffer[2] = (byte)'v';
txBuffer[3] = (byte)'8';
uint written = 0;
for(int j = 0; j < 10 && FoundElev8 == false && !quit; j++) // Keep pinging until it replies, or we give up
{
ftdi.Write( txBuffer, 4, ref written );
System.Threading.Thread.Sleep( 50 );
uint bytesAvail = 0;
ftdi.GetRxBytesAvailable( ref bytesAvail ); // How much data is available from the serial port?
if(bytesAvail > 0)
{
int TestVal = 0;
while(bytesAvail > 0 && !quit)
{
uint bytesRead = 0;
ftdi.Read( rxBuffer, 1, ref bytesRead );
if(bytesRead == 1)
{
TestVal = (TestVal << 8) | rxBuffer[0];
if(TestVal == (int)(('E' << 0) | ('l' << 8) | ('v' << 16) | ('8' << 24)) )
{
FoundElev8 = true;
commStat = CommStatus.Connected;
break;
}
}
if(bytesRead == 0) break;
}
}
}
if(FoundElev8)
{
connected = true;
if(ConnectionStarted != null) {
ConnectionStarted();
}
break;
}
else
{
ftdi.Close();
}
}
}
}
}
catch(Exception)
{
return;
}
}
public CommStatusUpdatedEventArgs(ErrorStatus error_status, CommStatus comm_status, CommStatus comm_status_old)
{
ErrorStatus = error_status;
CommStatus = comm_status;
CommStatusMask = comm_status ^ comm_status_old;
}
void SendStatusRequest()
{
if (!connectionActive /*|| machineState == MachineState.Jog*/)
{
return;
}
try
{
if (requestFullStatus)
{
SendByte(CMD_STATUS_REQUEST_FULL);
requestFullStatus = false;
showStatusMsg++;
}
else
{
SendByte(CMD_STATUS_REQUEST);
}
}
catch
{
ClosePort();
ConnectionStatus = CommStatus.Disconnected;
if (CommStatusChanged != null)
{
CommStatusChanged(this, ConnectionStatus);
}
}
}
}//SerialDataReceivedEventHandler
#endregion
#region DisplayFunctions
private void CommWatcher_Show(Object sender, EventArgs e)
{
CommStatus state = (CommStatus)commWatcher.GetCommStatus();
switch (state)
{
case CommStatus.Lost:
commWatchStatus.Text = "Lost";
commWatchStatus.BackColor = Color.Red;
this.GraphsButton.Enabled = false;
FlashWindow.Flash(this);
break;
case CommStatus.Silent:
commWatchStatus.Text = "Waiting";
commWatchStatus.BackColor = Color.Yellow;
this.GraphsButton.Enabled = false;
FlashWindow.Stop(this);
break;
case CommStatus.Working:
commWatchStatus.Text = "Receiving";
commWatchStatus.BackColor = Color.LawnGreen;
this.GraphsButton.Enabled = true;
FlashWindow.Stop(this);
break;
}
} // CommWather_Show
void SendStatusRequest()
{
if (!connectionActive /*|| machineState == MachineState.Jog*/)
{
return;
}
try
{
SendByte(CMD_STATUS_REQUEST);
}
catch
{
ClosePort();
ConnectionStatus = CommStatus.Disconnected;
if (StatusChanged != null)
{
StatusChanged(this, ConnectionStatus);
}
}
}
void HandleReconnection(string version)
{
driverVersion = version;
activePort = port.PortName;
if (machineState == MachineState.Idle)
{
GetAllGrblParameters();
}
//machineState = MachineState.Idle;
if (ConnectionStatus != CommStatus.Connected)
{
ConnectionStatus = CommStatus.Connected;
grblStatus.state = GrblStatus.MachineState.Unknown;
if (CommStatusChanged != null)
{
CommStatusChanged(this, ConnectionStatus);
}
}
requestFullStatus = true;
}
/// <summary>
/// 得到四个地面站无线网桥和8辆车的网络设备的通讯状态
/// 需要注意的是：mainCanvas.Children在未添加CarComm时的Count=14，最大索引maxIndex=13；方法中出现的数字13即为此含义
/// 数字8代表8辆车
/// </summary>
private void AssignCommStatus()
{
if (Communication.CommStatus.Count == 0)
{
for (int i = 0; i < 9; i++)
{
Communication.CommStatus.Add(new CommStatus(new bool[] { false, false, false, false }));
}
}
if (commHelper.SucceedCount[2] < 3)
{//索引为2时对应的为无线网桥的状态计数
Communication.CommStatus[0] = new CommStatus(commHelper.CommStatus);
}
for (int i = 0; i < 8; i++)
{//添加8辆车的通讯状态
CarComm carComm = (CarComm)mainCanvas.Children[14 + i];
CommStatus comm = new CommStatus(carComm.CommStatus);
Communication.CommStatus[i + 1] = comm;
}
}
public virtual void Notify(CommStatus status)
{
GecoSiLogger.Log("!", status.GetType().Name);
siListener.Notify(status);
}
private void AttemptConnect()
{
connected = false;
string[] names = SerialPort.GetPortNames();
List<string> Ports = new List<string>();
foreach(string name in names)
{
if(name != "COM1" && name != "COM2" && name != "COM3" && name != "COM4")
Ports.Add( name );
}
// Check status
if(Ports.Count == 0)
{
commStat = CommStatus.NoDevice;
return;
}
commStat = CommStatus.NoElev8;
try
{
bool FoundElev8 = false;
for(int i = 0; i < Ports.Count && FoundElev8 == false; i++)
{
serial = new SerialPort( Ports[i], 115200, Parity.None, 8, StopBits.One );
serial.Open();
txBuffer[0] = (byte)'E';
txBuffer[1] = (byte)'l';
txBuffer[2] = (byte)'v';
txBuffer[3] = (byte)'8';
for(int j = 0; j < 10 && FoundElev8 == false; j++) // Keep pinging until it replies, or we give up
{
serial.Write( txBuffer, 0, 4 );
System.Threading.Thread.Sleep( 50 );
int bytesAvail = serial.BytesToRead;
if(bytesAvail > 0)
{
int TestVal = 0;
while(bytesAvail > 0)
{
int bytesRead = serial.Read( rxBuffer, 0, 1 );
if(bytesRead == 1)
{
TestVal = (TestVal << 8) | rxBuffer[0];
if(TestVal == (int)(('E' << 0) | ('l' << 8) | ('v' << 16) | ('8' << 24)))
{
FoundElev8 = true;
commStat = CommStatus.Connected;
break;
}
}
}
}
}
if(FoundElev8) {
connected = true;
if(ConnectionStarted != null) {
ConnectionStarted();
}
break;
}
else {
serial.Close();
serial.Dispose();
serial = null;
}
}
}
catch(Exception)
{
return;
}
}
void ConnectFTDI()
{
UInt32 DeviceCount = 0;
FTDI.FT_STATUS ftStatus = FTDI.FT_STATUS.FT_OK;
// Create new instance of the FTDI device class
ftdi = new FTDI();
// Determine the number of FTDI devices connected to the machine
ftStatus = ftdi.GetNumberOfDevices( ref DeviceCount );
// Check status
if(ftStatus != FTDI.FT_STATUS.FT_OK || DeviceCount == 0) {
commStat = CommStatus.NoDevices;
return;
}
commStat = CommStatus.NoElev8;
// Allocate storage for device info list
FTDI.FT_DEVICE_INFO_NODE[] DeviceList = new FTDI.FT_DEVICE_INFO_NODE[DeviceCount];
try
{
// Populate our device list
ftStatus = ftdi.GetDeviceList( DeviceList );
bool FoundElev8 = false;
for(int i = 0; i < DeviceCount && FoundElev8 == false; i++)
{
if(DeviceList[i].Type != FTDI.FT_DEVICE.FT_DEVICE_X_SERIES) continue;
ftStatus = ftdi.OpenBySerialNumber( DeviceList[i].SerialNumber );
if(ftStatus == FTDI.FT_STATUS.FT_OK)
{
string portName;
ftdi.GetCOMPort( out portName );
if(portName == null || portName == "")
{
ftdi.Close();
continue;
}
ftdi.SetBaudRate( 115200 );
ftdi.SetDataCharacteristics( 8, 1, 0 );
ftdi.SetFlowControl( FTDI.FT_FLOW_CONTROL.FT_FLOW_NONE, 0, 0 );
txBuffer[0] = (byte)0xff; // Send 0xff to the Prop to see if it replies
uint written = 0;
for(int j = 0; j < 10 && FoundElev8 == false; j++) // Keep pinging until it replies, or we give up
{
ftdi.Write( txBuffer, 1, ref written );
System.Threading.Thread.Sleep( 50 );
uint bytesAvail = 0;
ftdi.GetRxBytesAvailable( ref bytesAvail ); // How much data is available from the serial port?
if(bytesAvail > 0)
{
uint bytesRead = 0;
ftdi.Read( rxBuffer, 1, ref bytesRead ); // If it comes back with 0xE8 it's the one we want
if(bytesRead == 1 && rxBuffer[0] == 0xE8)
{
FoundElev8 = true;
commStat = CommStatus.Connected;
break;
}
}
}
if(FoundElev8)
{
break;
}
else
{
ftdi.Close();
}
}
}
}
catch(Exception) {
return;
}
Active = true;
if( ftdi.IsOpen ) {
currentMode = (Mode)(tcMainTabs.SelectedIndex + 1);
txBuffer[0] = (byte)currentMode;
uint written = 0;
ftdi.Write( txBuffer, 1, ref written ); // Which mode are we in?
}
// Start my 'tick timer' - It's set to tick every 20 milliseconds
// (used to check the comm port periodically instead of using a thread)
//tickTimer.Start();
}
private static extern bool ClearCommError(int hFile, out uint lpErrors, out CommStatus lpStat);
void UpdateCommStatus()
{
if(commStat != lastStat)
{
string msg = null;
lastStat = commStat;
switch(commStat)
{
case CommStatus.Initializing:
msg = "Initializing";
break;
case CommStatus.NoDevices:
msg = "No FTDI devices found";
break;
case CommStatus.NoElev8:
msg = "Looking for Elev8-FC";
break;
case CommStatus.Connected:
msg = "Connected";
break;
}
tsStatLabel.Text = msg;
if(commStat == CommStatus.Connected)
{
tickTimer.Interval = 20;
}
else
{
tickTimer.Interval = 100;
}
}
}
void HandleReceivedLine(string line)
{
if (line.Length == 0)
{
return;
}
bool isStatusLine = false;
if (line.Length > maxlinelen)
{
maxlinelen = line.Length;
tmpLongLine = line;
}
if (line.StartsWith("Grbl"))
{
activePort = port.PortName;
if (machineState == MachineState.Idle)
{
GetAllGrblParameters();
}
//machineState = MachineState.Idle;
if (ConnectionStatus != CommStatus.Connected)
{
ConnectionStatus = CommStatus.Connected;
if (StatusChanged != null)
{
StatusChanged(this, ConnectionStatus);
}
}
}
else if (line.StartsWith("<"))
{
isStatusLine = true;
grblStatus.Parse(line);
if (StatusUpdate != null)
{
StatusUpdate(this, grblStatus);
}
}
else if (line.StartsWith("$"))
{
HandleParamLine(line);
}
else if (line.StartsWith("ok"))
{
HandleOKLine(line);
}
else if (line.StartsWith("["))
{
HandleMessageLine(line);
}
else if (line.StartsWith("error"))
{
HandleErrorLine(line, MessageType.Error);
}
else if (line.StartsWith("ALARM"))
{
HandleErrorLine(line, MessageType.Alarm);
}
if (LineReceived != null)
{
LineReceived(this, line, isStatusLine && showStatusMsg == 0);
if (showStatusMsg > 0)
{
showStatusMsg--;
}
}
}
public virtual void NotifyError(CommStatus errorStatus, String errorMessage)
{
GecoSiLogger.Error(errorMessage);
siListener.Notify(errorStatus, errorMessage);
}
public void Notify(CommStatus errorStatus, String errorMessage)
{
Console.WriteLine("Error -> " + errorStatus + " " + errorMessage);
}
public void Notify(CommStatus status)
{
Console.WriteLine("Status" + DateTime.Now.ToString("hh:mm:ss.fff") + " -> " + status);
}
private void AttemptConnect()
{
connected = false;
UInt32 DeviceCount = 0;
FTDI.FT_STATUS ftStatus = FTDI.FT_STATUS.FT_OK;
// Create new instance of the FTDI device class
ftdi = new FTDI();
// Determine the number of FTDI devices connected to the machine
ftStatus = ftdi.GetNumberOfDevices(ref DeviceCount);
// Check status
if (ftStatus != FTDI.FT_STATUS.FT_OK || DeviceCount == 0)
{
commStat = CommStatus.NoDevice;
return;
}
commStat = CommStatus.NoElev8;
// Allocate storage for device info list
FTDI.FT_DEVICE_INFO_NODE[] DeviceList = new FTDI.FT_DEVICE_INFO_NODE[DeviceCount];
try
{
// Populate our device list
ftStatus = ftdi.GetDeviceList(DeviceList);
bool FoundElev8 = false;
for (int i = 0; i < DeviceCount && FoundElev8 == false; i++)
{
if (DeviceList[i].Type != FTDI.FT_DEVICE.FT_DEVICE_X_SERIES)
{
continue;
}
for (int baud = 0; baud < 2; baud++)
{
ftStatus = ftdi.OpenBySerialNumber(DeviceList[i].SerialNumber);
if (ftStatus == FTDI.FT_STATUS.FT_OK)
{
string portName;
ftdi.GetCOMPort(out portName);
if (portName == null || portName == "")
{
ftdi.Close();
continue;
}
if (baud == 0)
{
ftdi.SetBaudRate(115200); // try this first
}
else
{
ftdi.SetBaudRate(57600); // then try this (xbee)
}
ftdi.SetDataCharacteristics(8, 1, 0);
ftdi.SetFlowControl(FTDI.FT_FLOW_CONTROL.FT_FLOW_NONE, 0, 0);
txBuffer[0] = (byte)'E';
txBuffer[1] = (byte)'l';
txBuffer[2] = (byte)'v';
txBuffer[3] = (byte)'8';
uint written = 0;
for (int j = 0; j < 10 && FoundElev8 == false && !quit; j++) // Keep pinging until it replies, or we give up
{
ftdi.Write(txBuffer, 4, ref written);
System.Threading.Thread.Sleep(50);
uint bytesAvail = 0;
ftdi.GetRxBytesAvailable(ref bytesAvail); // How much data is available from the serial port?
if (bytesAvail > 0)
{
int TestVal = 0;
while (bytesAvail > 0 && !quit)
{
uint bytesRead = 0;
ftdi.Read(rxBuffer, 1, ref bytesRead);
if (bytesRead == 1)
{
TestVal = (TestVal << 8) | rxBuffer[0];
if (TestVal == (int)(('E' << 0) | ('l' << 8) | ('v' << 16) | ('8' << 24)))
{
FoundElev8 = true;
commStat = CommStatus.Connected;
break;
}
}
if (bytesRead == 0)
{
break;
}
}
}
}
if (FoundElev8)
{
connected = true;
if (ConnectionStarted != null)
{
ConnectionStarted();
}
break;
}
else
{
ftdi.Close();
}
}
}
}
}
catch (Exception)
{
return;
}
}
private void AttemptConnect()
{
connected = false;
string[] names = SerialPort.GetPortNames();
List <string> Ports = new List <string>();
foreach (string name in names)
{
if (name != "COM1" && name != "COM2" && name != "COM3" && name != "COM4")
{
Ports.Add(name);
}
}
// Check status
if (Ports.Count == 0)
{
commStat = CommStatus.NoDevice;
return;
}
commStat = CommStatus.NoElev8;
try
{
bool FoundElev8 = false;
for (int i = 0; i < Ports.Count && FoundElev8 == false; i++)
{
serial = new SerialPort(Ports[i], 115200, Parity.None, 8, StopBits.One);
serial.Open();
txBuffer[0] = (byte)'E';
txBuffer[1] = (byte)'l';
txBuffer[2] = (byte)'v';
txBuffer[3] = (byte)'8';
for (int j = 0; j < 10 && FoundElev8 == false; j++) // Keep pinging until it replies, or we give up
{
serial.Write(txBuffer, 0, 4);
System.Threading.Thread.Sleep(50);
int bytesAvail = serial.BytesToRead;
if (bytesAvail > 0)
{
int TestVal = 0;
while (bytesAvail > 0)
{
int bytesRead = serial.Read(rxBuffer, 0, 1);
if (bytesRead == 1)
{
TestVal = (TestVal << 8) | rxBuffer[0];
if (TestVal == (int)(('E' << 0) | ('l' << 8) | ('v' << 16) | ('8' << 24)))
{
FoundElev8 = true;
commStat = CommStatus.Connected;
break;
}
}
}
}
}
if (FoundElev8)
{
connected = true;
if (ConnectionStarted != null)
{
ConnectionStarted();
}
break;
}
else
{
serial.Close();
serial.Dispose();
serial = null;
}
}
}
catch (Exception)
{
return;
}
}
private void AttemptConnect()
{
connected = false;
UInt32 DeviceCount = 0;
FTDI.FT_STATUS ftStatus = FTDI.FT_STATUS.FT_OK;
// Create new instance of the FTDI device class
ftdi = new FTDI();
// Determine the number of FTDI devices connected to the machine
ftStatus = ftdi.GetNumberOfDevices(ref DeviceCount);
// Check status
if (ftStatus != FTDI.FT_STATUS.FT_OK || DeviceCount == 0)
{
commStat = CommStatus.NoDevice;
return;
}
commStat = CommStatus.NoElev8;
// Allocate storage for device info list
FTDI.FT_DEVICE_INFO_NODE[] DeviceList = new FTDI.FT_DEVICE_INFO_NODE[DeviceCount];
try
{
// Populate our device list
ftStatus = ftdi.GetDeviceList(DeviceList);
bool FoundElev8 = false;
for (int i = 0; i < DeviceCount && FoundElev8 == false; i++)
{
if (DeviceList[i].Type != FTDI.FT_DEVICE.FT_DEVICE_X_SERIES)
{
continue;
}
ftStatus = ftdi.OpenBySerialNumber(DeviceList[i].SerialNumber);
if (ftStatus == FTDI.FT_STATUS.FT_OK)
{
string portName;
ftdi.GetCOMPort(out portName);
if (portName == null || portName == "")
{
ftdi.Close();
continue;
}
ftdi.SetBaudRate(115200);
ftdi.SetDataCharacteristics(8, 1, 0);
ftdi.SetFlowControl(FTDI.FT_FLOW_CONTROL.FT_FLOW_NONE, 0, 0);
txBuffer[0] = (byte)0; // Set it to MODE_None to stop it writing (reset in case it was disconnected)
txBuffer[1] = (byte)0xff; // Send 0xff to the Prop to see if it replies
uint written = 0;
for (int j = 0; j < 10 && FoundElev8 == false; j++) // Keep pinging until it replies, or we give up
{
ftdi.Write(txBuffer, 2, ref written);
System.Threading.Thread.Sleep(50);
uint bytesAvail = 0;
ftdi.GetRxBytesAvailable(ref bytesAvail); // How much data is available from the serial port?
if (bytesAvail > 0)
{
uint bytesRead = 0;
ftdi.Read(rxBuffer, 1, ref bytesRead); // If it comes back with 0xE8 it's the one we want
if (bytesRead == 1 && rxBuffer[0] == 0xE8)
{
FoundElev8 = true;
commStat = CommStatus.Connected;
break;
}
}
}
if (FoundElev8)
{
connected = true;
txBuffer[0] = 2; // MODE_Sensors
written = 0;
ftdi.Write(txBuffer, 1, ref written);
if (ConnectionStarted != null)
{
ConnectionStarted();
}
break;
}
else
{
ftdi.Close();
}
}
}
}
catch (Exception)
{
return;
}
}
private void AttemptConnect()
{
connected = false;
UInt32 DeviceCount = 0;
FTDI.FT_STATUS ftStatus = FTDI.FT_STATUS.FT_OK;
// Create new instance of the FTDI device class
ftdi = new FTDI();
// Determine the number of FTDI devices connected to the machine
ftStatus = ftdi.GetNumberOfDevices( ref DeviceCount );
// Check status
if(ftStatus != FTDI.FT_STATUS.FT_OK || DeviceCount == 0)
{
commStat = CommStatus.NoDevice;
return;
}
commStat = CommStatus.NoElev8;
// Allocate storage for device info list
FTDI.FT_DEVICE_INFO_NODE[] DeviceList = new FTDI.FT_DEVICE_INFO_NODE[DeviceCount];
try
{
// Populate our device list
ftStatus = ftdi.GetDeviceList( DeviceList );
bool FoundElev8 = false;
for(int i = 0; i < DeviceCount && FoundElev8 == false; i++)
{
if(DeviceList[i].Type != FTDI.FT_DEVICE.FT_DEVICE_X_SERIES) continue;
ftStatus = ftdi.OpenBySerialNumber( DeviceList[i].SerialNumber );
if(ftStatus == FTDI.FT_STATUS.FT_OK)
{
string portName;
ftdi.GetCOMPort( out portName );
if(portName == null || portName == "")
{
ftdi.Close();
continue;
}
ftdi.SetBaudRate( 115200 );
ftdi.SetDataCharacteristics( 8, 1, 0 );
ftdi.SetFlowControl( FTDI.FT_FLOW_CONTROL.FT_FLOW_NONE, 0, 0 );
txBuffer[0] = (byte)0; // Set it to MODE_None to stop it writing (reset in case it was disconnected)
txBuffer[1] = (byte)0xff; // Send 0xff to the Prop to see if it replies
uint written = 0;
for(int j = 0; j < 10 && FoundElev8 == false; j++) // Keep pinging until it replies, or we give up
{
ftdi.Write( txBuffer, 2, ref written );
System.Threading.Thread.Sleep( 50 );
uint bytesAvail = 0;
ftdi.GetRxBytesAvailable( ref bytesAvail ); // How much data is available from the serial port?
if(bytesAvail > 0)
{
uint bytesRead = 0;
ftdi.Read( rxBuffer, 1, ref bytesRead ); // If it comes back with 0xE8 it's the one we want
if(bytesRead == 1 && rxBuffer[0] == 0xE8)
{
FoundElev8 = true;
commStat = CommStatus.Connected;
break;
}
}
}
if(FoundElev8) {
connected = true;
txBuffer[0] = 2; // MODE_Sensors
written = 0;
ftdi.Write( txBuffer, 1, ref written );
if(ConnectionStarted != null) {
ConnectionStarted();
}
break;
}
else {
ftdi.Close();
}
}
}
}
catch(Exception)
{
return;
}
}
/// <summary>
/// Updates the displayed information. Used to show every sent/received packet.
/// </summary>
/// <param name="p">Sent or received packet</param>
/// <param name="status">Current status of the communication</param>
public void updateCommUI(SerialComm.Packet_t p, CommStatus status)
{
// fix; this might have caused an IndexOutOfRangeException
if (p.data != null && p.dataLength > p.data.Length)
{
p.dataLength = (ushort)p.data.Length;
}
// temporary fix of IndexOutOfRange exception
//try
//{
// check if the packet should be ignored
if (ignoreSeqNrQueue.Count >= 1)
{
if (ignoreSeqNrQueue.Peek() + 1 == p.sequenceNumber)
{
ignoreSeqNrQueue.Dequeue();
}
}
if (ignoreSeqNrQueue.Count >= 1)
{
if (ignoreSeqNrQueue.Peek() == p.sequenceNumber)
{
return;
}
}
// show the packet according to its status.
switch (status)
{
case CommStatus.AckReceived:
timeoutFlag = false;
arrowArray[nextPictureBox].Image = Properties.Resources.arrow_left_green;
flowCommStatus.Controls.Add(arrowArray[nextPictureBox]);
toolTip.SetToolTip(arrowArray[nextPictureBox], "ack");
arrowArray[nextPictureBox].Show();
if (nextPictureBox < 5)
{
nextPictureBox++;
}
break;
case CommStatus.AckTimeout:
if (timeoutFlag == false)
{
arrowArray[nextPictureBox].Image = Properties.Resources.arrow_left_transparent;
flowCommStatus.Controls.Add(arrowArray[nextPictureBox]);
toolTip.SetToolTip(arrowArray[nextPictureBox], "ack timeout");
arrowArray[nextPictureBox].Show();
if (nextPictureBox < 5)
{
nextPictureBox++;
}
timeoutFlag = true;
}
break;
case CommStatus.NackReceived:
timeoutFlag = false;
if (nextPictureBox < arrowArray.Length)
{
arrowArray[nextPictureBox].Image = Properties.Resources.arrow_left_red;
flowCommStatus.Controls.Add(arrowArray[nextPictureBox]);
toolTip.SetToolTip(arrowArray[nextPictureBox], "nack");
arrowArray[nextPictureBox].Show();
nextPictureBox++;
}
break;
case CommStatus.ResponseReceived:
timeoutFlag = false;
if (nextPictureBox < arrowArray.Length)
{
arrowArray[nextPictureBox].Image = Properties.Resources.arrow_left_grey;
flowCommStatus.Controls.Add(arrowArray[nextPictureBox]);
toolTip.SetToolTip(arrowArray[nextPictureBox], "response");
arrowArray[nextPictureBox].Show();
nextPictureBox++;
}
fillInDetails(p);
break;
case CommStatus.ResponseTimeout:
if (timeoutFlag == false && nextPictureBox < arrowArray.Length)
{
arrowArray[nextPictureBox].Image = Properties.Resources.arrow_left_transparent;
flowCommStatus.Controls.Add(arrowArray[nextPictureBox]);
toolTip.SetToolTip(arrowArray[nextPictureBox], "response timeout");
arrowArray[nextPictureBox].Show();
nextPictureBox++;
timeoutFlag = true;
}
break;
case CommStatus.PacketSent:
// clear all displayed information.
timeoutFlag = false;
nextPictureBox = 0;
for (int i = 0; i < arrowArray.Length; i++)
{
arrowArray[i].Hide();
}
clearDetails();
fillOutDetails(p);
if (nextPictureBox < arrowArray.Length)
{
arrowArray[nextPictureBox].Image = Properties.Resources.arrow_left_grey;
arrowArray[nextPictureBox].Image.RotateFlip(RotateFlipType.Rotate180FlipNone);
flowCommStatus.Controls.Add(arrowArray[nextPictureBox]);
toolTip.SetToolTip(arrowArray[nextPictureBox], "command/request");
arrowArray[nextPictureBox].Show();
nextPictureBox++;
}
break;
default:
break;
}
// close the expanded view.
if (CmdExpanded == true)
{
btnExpand_Click(this, new EventArgs());
}
//}
//catch { }
}
