public void Connect() {
BluetoothDevice device = mBluetoothAdapter.GetRemoteDevice(address);
System.Console.WriteLine("Conexion en curso" + device);
mBluetoothAdapter.CancelDiscovery();
try {
btSocket = device.CreateRfcommSocketToServiceRecord(MY_UUID);
btSocket.Connect();
System.Console.WriteLine("Conexion Correcta");
} catch (System.Exception e) {
Console.WriteLine (e.Message);
try {
btSocket.Close();
} catch (System.Exception) {
System.Console.WriteLine("Imposible Conectar");
}
System.Console.WriteLine("Socket Creado");
}
beginListenForData();
dataToSend = new Java.Lang.String("e");
writeData(dataToSend);
}
public async Task<bool> Init(bool simulatormode = false)
{
running = true;
//initialize _data
data = new Dictionary<string, string> {{"vin", DefValue}};
//VIN
piDs = ObdShare.ObdUtil.GetPIDs();
foreach (var v in piDs.Values)
{
data.Add(v, DefValue);
}
this.simulatormode = simulatormode;
if (simulatormode)
{
return true;
}
bluetoothAdapter = BluetoothAdapter.DefaultAdapter;
if (bluetoothAdapter == null)
{
System.Diagnostics.Debug.WriteLine("Bluetooth is not available");
return false;
}
try
{
var ba = bluetoothAdapter.BondedDevices;
foreach (var bd in ba)
{
if (bd.Name.ToLower().Contains("obd"))
bluetoothDevice = bd;
}
if (bluetoothDevice == null)
{
return false;
}
bluetoothSocket = bluetoothDevice.CreateRfcommSocketToServiceRecord(SppUuid);
await bluetoothSocket.ConnectAsync();
connected = true;
}
catch (Java.IO.IOException)
{
// Close the socket
try
{
connected = false;
bluetoothSocket.Close();
}
catch (Java.IO.IOException)
{
}
catch (Exception)
{
}
return false;
}
catch (Exception)
{
}
if (connected)
{
reader = bluetoothSocket.InputStream;
writer = bluetoothSocket.OutputStream;
string s;
s = await SendAndReceive("ATZ\r");
s = await SendAndReceive("ATE0\r");
s = await SendAndReceive("ATL1\r");
s = await SendAndReceive("ATSP00\r");
PollObd();
return true;
}
else
return false;
}
public string PrintInvSumm(BluetoothSocket mmSocket,BluetoothDevice mmDevice,DateTime printDate1,DateTime printDate2)
{
msg = "";
Stream mmOutputStream;
try {
UUID uuid = UUID.FromString ("00001101-0000-1000-8000-00805F9B34FB");
mmSocket = mmDevice.CreateInsecureRfcommSocketToServiceRecord (uuid);
if (mmSocket == null) {
msg = "Error creating sockect";
return msg;
}
if (mmDevice.BondState == Bond.Bonded) {
mmSocket.Connect ();
Thread.Sleep (300);
mmOutputStream = mmSocket.OutputStream;
byte[] charfont;
if (apara.PaperSize == "58mm") {
charfont = new Byte[] { 27, 33, 1 }; //Char font 9x17
mmOutputStream.Write (charfont, 0, charfont.Length);
}
if (apara.PaperSize == "80mm") {
charfont = new Byte[] { 27, 33, 0 }; //Char font 12x24
mmOutputStream.Write (charfont, 0, charfont.Length);
}
string text = GetInvoiceSumm (printDate1, printDate2);
//byte[] cc = ASCIIEncoding.ASCII.GetBytes(text);
byte[] cc = Encoding.GetEncoding ("GB18030").GetBytes (text);
int rem;
int result = Math.DivRem (cc.Length, 2048, out rem);
int pos = 0;
for (int line = 0; line < result; line++) {
IsStreamCanWrite (mmOutputStream);
mmOutputStream.Write (cc, pos, 2048);
pos += 2048;
}
if (rem > 0)
mmOutputStream.Write (cc, pos, rem);
//mmOutputStream.Write (cc, 0, cc.Length);
Thread.Sleep (3000);
mmOutputStream.Flush ();
mmOutputStream.Close ();
mmSocket.Close ();
}
} catch (Exception ex) {
msg = ex.Message;
}
return msg;
}
//Bluetooth Printer -Mini Bluetooth Printer
public void BluetoothMiniTest(BluetoothSocket mmSocket,BluetoothDevice mmDevice)
{
msg = "";
Stream mmOutputStream;
//TextView txtv = FindViewById<TextView> (Resource.Id.textView2);
try {
UUID uuid = UUID.FromString ("00001101-0000-1000-8000-00805F9B34FB");
mmSocket = mmDevice.CreateInsecureRfcommSocketToServiceRecord (uuid);
if (mmSocket == null) {
msg = "Error creating sockect";
return;
}
if (mmDevice.BondState == Bond.Bonded) {
TrytoConnect(mmSocket);
Thread.Sleep (300);
mmOutputStream = mmSocket.OutputStream;
byte[] charfont;
charfont = new Byte[] { 27, 64 }; //Char font 9x17
mmOutputStream.Write(charfont, 0, charfont.Length);
if (apara.PaperSize=="58mm")
{
charfont = new Byte[] { 27, 33, 1 }; //Char font 9x17
mmOutputStream.Write(charfont, 0, charfont.Length);
}
if (apara.PaperSize=="80mm")
{
charfont = new Byte[] { 27, 33, 0 }; //Char font 12x24
mmOutputStream.Write(charfont, 0, charfont.Length);
}
charfont = new Byte[] { 28, 38 };
mmOutputStream.Write(charfont, 0, charfont.Length);
string test = "";
PrintCompHeader (ref test);
test = test+"\n\n\n\n\n";
byte[] cc = Encoding.GetEncoding("GB18030").GetBytes(test);
mmOutputStream.Write (cc,0, cc.Length);
Thread.Sleep (300);
charfont = new Byte[] { 28, 46 };
mmOutputStream.Write(charfont, 0, charfont.Length);
mmOutputStream.Close ();
mmSocket.Close ();
msg ="Printing....";
} else {
msg= "Device not connected";
}
} catch (Exception ex) {
msg = ex.Message;
}
}
public void BluetoothMiniCN(BluetoothSocket mmSocket,BluetoothDevice mmDevice,CNNote inv,CNNoteDtls[] list,int noofcopy )
{
msg = "";
Stream mmOutputStream;
try {
UUID uuid = UUID.FromString ("00001101-0000-1000-8000-00805F9B34FB");
mmSocket = mmDevice.CreateInsecureRfcommSocketToServiceRecord (uuid);
if (mmSocket == null) {
msg = "Error creating sockect";
return;
}
if (mmDevice.BondState == Bond.Bonded) {
TrytoConnect(mmSocket);
Thread.Sleep (300);
mmOutputStream = mmSocket.OutputStream;
byte[] charfont;
charfont = new Byte[] { 27, 64 }; //Char font 9x17
mmOutputStream.Write(charfont, 0, charfont.Length);
if (apara.PaperSize=="58mm")
{
charfont = new Byte[] { 27, 33, 1 }; //Char font 9x17
//charfont = new Byte[] { 27, 77, 1 }; //Char font 9x17
mmOutputStream.Write(charfont, 0, charfont.Length);
}
if (apara.PaperSize=="80mm")
{
charfont = new Byte[] { 27, 33, 0 }; //Char font 12x24
//charfont = new Byte[] { 27, 77, 1 }; //Char font 9x17
mmOutputStream.Write(charfont, 0, charfont.Length);
}
charfont = new Byte[] { 28, 38 };
mmOutputStream.Write(charfont, 0, charfont.Length);
//charfont = new Byte[] { 28, 67,0,48 };
//mmOutputStream.Write(charfont, 0, charfont.Length);
string test = "";
double invTtlAmt =0;
double invTtlTax =0;
bool IsfoundInvoice =PrintCNInvoice(inv,ref test,ref invTtlAmt,ref invTtlTax );
if (!IsfoundInvoice){
PrintCompHeader (ref test);
PrintCustomer (ref test,inv.custcode);
}
PrintCNHeader (ref test,inv);
string dline="";
double ttlAmt =0;
double ttltax =0;
int count =0;
foreach(CNNoteDtls itm in list)
{
count+=1;
dline =dline+PrintCNDetail (itm,count);
ttlAmt = ttlAmt+ itm.netamount;
ttltax = ttltax+itm.tax;
}
test += dline;
PrintTotal (ref test,ttlAmt,ttltax);
PrintCNTaxSumm(ref test,list );
PrintFooter (ref test);
if (IsfoundInvoice)
{
test += "\nTHANK YOU\n\n";
PrintTotal (ref test,ttlAmt, ttltax, invTtlAmt,invTtlTax);
test += "n\n\n\n\n\n\n\n";
}else test += "\nTHANK YOUn\n\n\n\n\n\n\n";
//byte[] cc =ASCIIEncoding.ASCII.GetBytes(test);
byte[] cc = Encoding.GetEncoding("GB18030").GetBytes(test);
int bLen= cc.Length;
for (int i=0; i<noofcopy;i++)
{
int rem;
int result =Math.DivRem(cc.Length, 2048, out rem);
int pos =0;
for(int line= 0;line<result;line++)
{
IsStreamCanWrite (mmOutputStream);
mmOutputStream.Write (cc, pos, 2048);
pos += 2048;
}
if (rem >0)
mmOutputStream.Write (cc, pos, rem);
//mmOutputStream.BeginWrite(cc,0,cc.Length,
//mmOutputStream.Write (cc, 0, cc.Length);
Thread.Sleep (3000);
//mmOutputStream.Flush ();
}
Thread.Sleep (300);
mmOutputStream.Close ();
//mmInputStream.Close();
mmSocket.Close ();
msg ="Printing....";
} else {
//txtv.Text = "Device not connected";
msg= "Device not connected";
}
} catch (Exception ex) {
msg = ex.Message;
}
// return msg;
}
//Bluetooth Printer -Mini Bluetooth Printer
public void BluetoothMini(BluetoothSocket mmSocket,BluetoothDevice mmDevice,Invoice inv,InvoiceDtls[] list,int noofcopy)
{
msg = "";
Stream mmOutputStream;
//TextView txtv = FindViewById<TextView> (Resource.Id.textView2);
try {
UUID uuid = UUID.FromString ("00001101-0000-1000-8000-00805F9B34FB");
mmSocket = mmDevice.CreateInsecureRfcommSocketToServiceRecord (uuid);
if (mmSocket == null) {
//txtv.Text = "Error creating sockect";
msg = "Error creating sockect";
//errmsg.Append(msg);
return;
}
//txtv.Text = mmDevice.BondState.ToString ();
if (mmDevice.BondState == Bond.Bonded) {
//errmsg.Append("Start to connect\n");
//mmSocket.Connect ();
TrytoConnect(mmSocket);
Thread.Sleep (300);
//mmInputStream = mmSocket.InputStream;
//errmsg.Append("connected\n");
mmOutputStream = mmSocket.OutputStream;
byte[] charfont;
charfont = new Byte[] { 27, 64 }; //Char font 9x17
mmOutputStream.Write(charfont, 0, charfont.Length);
if (apara.PaperSize=="58mm")
{
charfont = new Byte[] { 27, 33, 1 }; //Char font 9x17
//charfont = new Byte[] { 27, 77, 1 }; //Char font 9x17
mmOutputStream.Write(charfont, 0, charfont.Length);
}
if (apara.PaperSize=="80mm")
{
charfont = new Byte[] { 27, 33, 0 }; //Char font 12x24
//charfont = new Byte[] { 27, 77, 1 }; //Char font 9x17
mmOutputStream.Write(charfont, 0, charfont.Length);
}
charfont = new Byte[] { 28, 38 };
mmOutputStream.Write(charfont, 0, charfont.Length);
//charfont = new Byte[] { 28, 67,0,48 };
// mmOutputStream.Write(charfont, 0, charfont.Length);
//charfont = new Byte[] { 27, 82, 15 }; //Char font 9x17
// mmOutputStream.Write(charfont, 0, charfont.Length);
string test = "";
//errmsg.Append("Set printer\n");
PrintInvoice (inv, list, ref test);
//var encoding = Encoding.GetEncoding(936);
//byte[] source = Encoding.Unicode.GetBytes(text);
//byte[] converted = Encoding.Convert(Encoding.Unicode, encoding, source);
//errmsg.Append("Start Endcoidng\n");
byte[] cc = Encoding.GetEncoding("GB18030").GetBytes(test);
for (int i=0; i<noofcopy;i++)
{
int rem;
int result =Math.DivRem(cc.Length, 2048, out rem);
int pos =0;
for(int line= 0;line<result;line++)
{
IsStreamCanWrite (mmOutputStream);
mmOutputStream.Write (cc, pos, 2048);
pos += 2048;
}
if (rem >0)
mmOutputStream.Write (cc, pos, rem);
//mmOutputStream.BeginWrite(cc,0,cc.Length,
//mmOutputStream.Write (cc, 0, cc.Length);
Thread.Sleep (3000);
//mmOutputStream.Flush ();
}
Thread.Sleep (300);
charfont = new Byte[] { 28, 46 };
mmOutputStream.Write(charfont, 0, charfont.Length);
mmOutputStream.Close ();
//mmInputStream.Close();
mmSocket.Close ();
msg ="Printing....";
} else {
//txtv.Text = "Device not connected";
msg= "Device not connected";
//errmsg.Append(msg);
}
} catch (Exception ex) {
msg = ex.Message;
}
}
//Evento de conexion al Bluetooth
public void Connect()
{
//asignamos el sensor bluetooth con el que vamos a trabajar
mBluetoothAdapter = BluetoothAdapter.DefaultAdapter;
//Verificamos que este habilitado
if (!mBluetoothAdapter.Enable())
{
Toast.MakeText(this, "Bluetooth Desactivado",
ToastLength.Short).Show();
}
//verificamos que no sea nulo el sensor
if (mBluetoothAdapter == null)
{
Toast.MakeText(this,
"Bluetooth No Existe o esta Ocupado", ToastLength.Short)
.Show();
}
//Iniciamos la conexion con el arduino
BluetoothDevice device = mBluetoothAdapter.GetRemoteDevice(address);
System.Console.WriteLine("Conexion en curso" + device);
//Indicamos al adaptador que ya no sea visible
mBluetoothAdapter.CancelDiscovery();
try
{
//Inicamos el socket de comunicacion con el arduino
btSocket = device.CreateRfcommSocketToServiceRecord(MY_UUID);
//Conectamos el socket
btSocket.Connect();
System.Console.WriteLine("Conexion Correcta");
}
catch (System.Exception e)
{
//en caso de generarnos error cerramos el socket
Console.WriteLine(e.Message);
try
{
btSocket.Close();
}
catch (System.Exception)
{
System.Console.WriteLine("Imposible Conectar");
}
System.Console.WriteLine("Socket Creado");
}
//Una vez conectados al bluetooth mandamos llamar el metodo que generara el hilo
//que recibira los datos del arduino
beginListenForData();
//NOTA envio la letra e ya que el sketch esta configurado para funcionar cuando
//recibe esta letra.
//dataToSend = new Java.Lang.String("Hola");
//writeData(dataToSend);
}
private bool PrintToDevice(string text,int noofcopy)
{
bool isPrinted = false;
msg = "";
Stream mmOutputStream=null;
try {
UUID uuid = UUID.FromString ("00001101-0000-1000-8000-00805F9B34FB");
mmSocket = mmDevice.CreateInsecureRfcommSocketToServiceRecord (uuid);
if (mmSocket == null) {
msg = callingActivity.Resources.GetString(Resource.String.msg_bluetoothnofound);
return isPrinted;
}
if (mmDevice.BondState == Bond.Bonded) {
TrytoConnect(mmSocket);
Thread.Sleep (300);
mmOutputStream = mmSocket.OutputStream;
byte[] charfont;
if (iSPrintCompLogo)
PrintLogo(mmOutputStream);
charfont = new Byte[] { 27, 64 }; //Char font 9x17
mmOutputStream.Write(charfont, 0, charfont.Length);
if (apara.PaperSize=="58mm")
{
charfont = new Byte[] { 27, 33, 1 }; //Char font 9x17
mmOutputStream.Write(charfont, 0, charfont.Length);
}
if (apara.PaperSize=="80mm")
{
charfont = new Byte[] { 27, 33, 0 }; //Char font 12x24
mmOutputStream.Write(charfont, 0, charfont.Length);
}
charfont = new Byte[] { 28, 38 };
mmOutputStream.Write(charfont, 0, charfont.Length);
byte[] cc = Encoding.GetEncoding("GB18030").GetBytes(text);
for (int i=0; i<noofcopy;i++)
{
int rem;
int result =Math.DivRem(cc.Length, 2048, out rem);
int pos =0;
for(int line= 0;line<result;line++)
{
IsStreamCanWrite (mmOutputStream);
mmOutputStream.Write (cc, pos, 2048);
pos += 2048;
}
if (rem >0)
mmOutputStream.Write (cc, pos, rem);
Thread.Sleep (3000);
}
Thread.Sleep (300);
charfont = new Byte[] { 28, 46 };
mmOutputStream.Write(charfont, 0, charfont.Length);
mmOutputStream.Close ();
mmSocket.Close ();
isPrinted =true;
} else {
//txtv.Text = "Device not connected";
msg= callingActivity.Resources.GetString(Resource.String.msg_bluetoothnofound);
//errmsg.Append(msg);
}
} catch (Exception ex) {
msg = ex.Message;
}
finally {
if (mmOutputStream != null) {
mmOutputStream.Close ();
mmOutputStream = null;
}
if (mmSocket != null) {
mmSocket.Close ();
mmSocket = null;
}
if (mmDevice != null) {
mmDevice.Dispose ();
mmDevice = null;
}
}
return isPrinted;
}
public void Connect()
{
BluetoothDevice device = mBluetoothAdapter.GetRemoteDevice(address);
System.Console.WriteLine("Conexion en curso" + device);
mBluetoothAdapter.CancelDiscovery();
try
{
btSocket = device.CreateRfcommSocketToServiceRecord(MY_UUID);
btSocket.Connect();
System.Console.WriteLine("Conexion Correcta");
}
catch (System.Exception e)
{
Console.WriteLine(e.Message);
try
{
btSocket.Close();
}
catch (System.Exception)
{
System.Console.WriteLine("Imposible Conectar");
}
System.Console.WriteLine("Socket Creado");
}
beginListenForData();
var ac = FindViewById<Button>(Resource.Id.ac);
var kapa = FindViewById<Button>(Resource.Id.kapa);
dataToSend = new Java.Lang.String("1");
ac.Click += delegate
{
dataToSend = new Java.Lang.String("1");
writeData(dataToSend);
};
kapa.Click += delegate
{
dataToSend = new Java.Lang.String("2");
writeData(dataToSend);
};
writeData(dataToSend);
}
public void BluetoothPrint(BluetoothSocket mmSocket,BluetoothDevice mmDevice,string text,int noofcopy)
{
msg = "";
Stream mmOutputStream;
//TextView txtv = FindViewById<TextView> (Resource.Id.textView2);
try {
UUID uuid = UUID.FromString ("00001101-0000-1000-8000-00805F9B34FB");
mmSocket = mmDevice.CreateInsecureRfcommSocketToServiceRecord (uuid);
if (mmSocket == null) {
msg = "Error creating sockect";
return;
}
if (mmDevice.BondState == Bond.Bonded) {
TrytoConnect(mmSocket);
Thread.Sleep (300);
mmOutputStream = mmSocket.OutputStream;
byte[] charfont;
charfont = new Byte[] { 27, 64 }; //Char font 9x17
mmOutputStream.Write(charfont, 0, charfont.Length);
if (apara.PaperSize=="58mm")
{
charfont = new Byte[] { 27, 33, 1 }; //Char font 9x17
mmOutputStream.Write(charfont, 0, charfont.Length);
}
if (apara.PaperSize=="80mm")
{
charfont = new Byte[] { 27, 33, 0 }; //Char font 12x24
mmOutputStream.Write(charfont, 0, charfont.Length);
}
charfont = new Byte[] { 28, 38 };
mmOutputStream.Write(charfont, 0, charfont.Length);
// charfont = new Byte[] { 28, 67,0,48 };
// mmOutputStream.Write(charfont, 0, charfont.Length);
byte[] cc = Encoding.GetEncoding("GB18030").GetBytes(text);
for (int i=0; i<noofcopy;i++)
{
int rem;
int result =Math.DivRem(cc.Length, 2048, out rem);
int pos =0;
for(int line= 0;line<result;line++)
{
IsStreamCanWrite (mmOutputStream);
mmOutputStream.Write (cc, pos, 2048);
pos += 2048;
}
if (rem >0)
mmOutputStream.Write (cc, pos, rem);
Thread.Sleep (3000);
}
Thread.Sleep (300);
charfont = new Byte[] { 28, 46 };
mmOutputStream.Write(charfont, 0, charfont.Length);
mmOutputStream.Close ();
mmSocket.Close ();
msg ="Printing....";
} else {
msg= "Device not connected";
}
} catch (Exception ex) {
msg = ex.Message;
}
}