public override Hashtable Search()
{
Hashtable bt_devices = new Hashtable();
bt_devices.Clear();
long device_index = 0;
//start inquiry
WidcommAPI.StartInquiry(this.wdStack);
//bt_devices[0] = "Inq. Result: " + SensorLib.Widcomm.StartInquiry(Widcomm.wdStack).ToString();
//bt_devices[1] = "Stack Status: " + SensorLib.Widcomm.GetStackStatus(Widcomm.wdStack).ToString();
DateTime dt_start = DateTime.Now;
//InquiryCompleteEvent returns the NEXT free device_index
while (!WidcommAPI.InquiryCompleteEvent(this.wdStack, out device_index) && DateTime.Now < dt_start.AddSeconds(20))
{
System.Windows.Forms.Application.DoEvents();
}
//bt_devices[0] = "Found:" + device_index.ToString();
for (int i = 0; i < device_index; i++)
{
long vl = 0;
System.IntPtr l = WidcommAPI.DeviceResponded(this.wdStack, out vl, i);
bt_devices[vl] = Marshal.PtrToStringUni(l);
}
return(bt_devices);
}
public WidcommBluetoothStream(CircularBuffer buffer, CircularBuffer sbuffer, byte[] address, string pin)
: base(buffer, sbuffer, address, pin)
{
wdStack[0] = WidcommAPI.CreateWidcommStack();
if (wdStack[0] == IntPtr.Zero)
{
throw new Exception("Cannot create stack");
}
}
public override bool Initialize()
{
//create Widcomm stack object
this.wdStack = WidcommAPI.CreateWidcommStack();
//set the stack to auto reconnect = true
if (this.wdStack != null)
{
return(true);
}
else
{
return(false);
}
}
public int OpenSPP(long bt_address)
{
int comPort = 0;
WidcommAPI.SppCreateConnection(this.wdStack, 0, bt_address);
int retry = 0;
while (retry < 5)
{
System.Threading.Thread.Sleep(500);
comPort = WidcommAPI.SppComPort(this.wdStack);
retry++;
}
return(comPort);
}
public override bool Dispose()
{
try
{
if (m_bDisposed)
{
return(true);
}
if (this.wdStack != IntPtr.Zero)
{
WidcommAPI.DeleteWidcommStack(this.wdStack);
}
this.wdStack = IntPtr.Zero;
m_bDisposed = true;
GC.SuppressFinalize(this);
return(true);
}
catch
{
return(false);
}
}
public int CloseSPP()
{
int result = WidcommAPI.SppRemoveConnection(this.wdStack);
return(result);
}
public bool Open()
{
try
{
lock (mylock)
{
if (processingThread != null)
{
processingThread.Abort();
}
long bt_address = long.Parse(this._HexAddress, NumberStyles.HexNumber, CultureInfo.CurrentCulture.NumberFormat);
//Thread.Sleep(10000);
//int r = WidcommAPI.SppRemoveConnection(wdStack[0]);
//Thread.Sleep(3000);
int r = WidcommAPI.SppCreateConnection(wdStack[0], (byte)1, bt_address);
Thread.Sleep(3000);
if (r != 1)
{
WidcommAPI.SppRemoveConnection(wdStack[0]);
if (wdStack[0] != IntPtr.Zero)
{
if (WidcommAPI.DeleteWidcommStack(wdStack[0]) == false)
{
throw new Exception("Cannot delete stack");
}
}
NetworkStacks._BluetoothStack = null;
}
/* RegistryKey rk = Registry.LocalMachine.OpenSubKey("Software\\WIDCOMM\\BTConfig\\AutoConnect");
* string[] subkeys = rk.GetSubKeyNames();
* if (subkeys.Length > 0)
* {
* for (int i = 0; (i < subkeys.Length); i++)
* {
* int com = Convert.ToInt32(subkeys[i]);
* //if (WidcommBluetoothStack._PortUsed[com])
* // continue;
* if (com == 11)
* {
* _COMPORT = "BTC1";
* WidcommBluetoothStack._PortUsed[com] = true;
* }
* else if (com == 12)
* {
* _COMPORT = "BTC2";
* WidcommBluetoothStack._PortUsed[com] = true;
* }
* else if (com == 13)
* {
* _COMPORT = "BTC3";
* WidcommBluetoothStack._PortUsed[com] = true;
* }
*
* break;
*
*
* }
*
* if (_COMPORT.Length > 2)
* break;
* }*/
int com = WidcommAPI.SppComPort(wdStack[0]);
//if (com == 11)
// _COMPORT = "BTC1";
//else if (com == 12)
// _COMPORT = "BTC2";
//else if (com == 13)
_COMPORT = "BTC3";
if ((_COMPORT.Length > 2) && ((r == 1) || (r == 3)))
{
spp[0] = new SerialPort(_COMPORT + ":", 38400, Parity.None, 8, StopBits.One);//new SerialPort(_COMPORT, 38400, Parity.None, 8, StopBits.One);
if (!spp[0].IsOpen)
{
spp[0].Open();
}
//spps.Add(this._HexAddress, spp);
this._Status = BluetoothStatus.Connected;
//start the processing thread
processingThread = new Thread(new ThreadStart(Process));
processingThread.Start();
}
}
}
catch (Exception e)
{
spp[0].Close();
spp[0].Dispose();
WidcommAPI.SppRemoveConnection(wdStack[0]);
if (wdStack[0] != IntPtr.Zero)
{
if (WidcommAPI.DeleteWidcommStack(wdStack[0]) == false)
{
throw new Exception("Cannot delete stack");
}
}
NetworkStacks._BluetoothStack = null;
CurrentWockets._LastError = Wockets.Exceptions.ErrorCodes.CONNECTION_FAILED_TO_OPEN;
CurrentWockets._LastErrorMessage = "MicrosoftBluetoothStream failed at Open() " + this._HexAddress;
this._Status = BluetoothStatus.Disconnected;
return(false);
}
return(true);
}
public override void Process()
{
int sendTimer = 0;
byte[] sendByte = new byte[1];
sendByte[0] = 0xbb;
byte[] singleReadBuffer = new byte[LOCAL_BUFFER_SIZE];
while (this._Status == BluetoothStatus.Connected)
{
int bytesReceived = 0;
try
{
if (sendTimer > 100)
{
spp[0].Write(sendByte, 0, 1);
//WidcommAPI.SendData(wdStack, sendByte, 1);
sendTimer = 0;
Thread.Sleep(50);
}
sendTimer++;
int availableBytes = spp[0].BytesToRead;
if (availableBytes > 0)
{
bytesReceived = 0;
bytesReceived = spp[0].Read(singleReadBuffer, 0, LOCAL_BUFFER_SIZE);
// bytesReceived = WidcommAPI.GetData(wdStack, singleReadBuffer);
//if we will pass the end of buffer receive till the end then receive the rest
/*if ((tail + availableBytes) > this.buffer._Bytes.Length)
* {
* bytesReceived = spp.Read(this.buffer._Bytes, tail, this.buffer._Bytes.Length - tail);
* availableBytes -= bytesReceived;
* tail = (tail + bytesReceived) % this.buffer._Bytes.Length;
* }
* bytesReceived += spp.Read(this.buffer._Bytes, tail, availableBytes);
* tail = (tail + bytesReceived) % this.buffer._Bytes.Length;*/
}
Thread.Sleep(30);
if (bytesReceived > 0)
{
timeoutIterationsCounter = 0;
}
else
{
timeoutIterationsCounter++;
if (timeoutIterationsCounter > iterationsToTimeout)
{
spp[0].Close();
spp[0].Dispose();
WidcommAPI.SppRemoveConnection(wdStack[0]);
if (wdStack[0] != IntPtr.Zero)
{
if (WidcommAPI.DeleteWidcommStack(wdStack[0]) == false)
{
throw new Exception("Cannot delete stack");
}
}
NetworkStacks._BluetoothStack = null;
//Close();
CurrentWockets._LastError = Wockets.Exceptions.ErrorCodes.CONNECTION_TIMEOUT;
//this.errorMessage = "MicrosoftBluetoothStream failed at Process(). Disconnection timeout to " + this._HexAddress;
this._Status = BluetoothStatus.Disconnected;
}
}
int ii;
int mytail = this.buffer._Tail;
for (ii = 0; ii < bytesReceived; ii++)
{
// this.buffer._Timestamp[this.buffer._Tail] = timestamp;
this.buffer._Bytes[mytail++] = singleReadBuffer[ii];
mytail %= this.buffer._Bytes.Length;
}
this.buffer._Tail = mytail;
}
catch (Exception e)
{
spp[0].Close();
spp[0].Dispose();
WidcommAPI.SppRemoveConnection(wdStack[0]);
if (wdStack[0] != IntPtr.Zero)
{
if (WidcommAPI.DeleteWidcommStack(wdStack[0]) == false)
{
throw new Exception("Cannot delete stack");
}
}
NetworkStacks._BluetoothStack = null;
this._Status = BluetoothStatus.Disconnected;
//Close();
}
}
}
