/// <summary>
/// Sample : Sending commands to printer without check condition.
/// </summary>
public static CommunicationResult SendCommandsDoNotCheckCondition(byte[] commands, string portName, string portSettings, int timeout)
{
Result result = Result.ErrorUnknown;
int code = StarResultCode.ErrorFailed;
IPort port = null;
try
{
result = Result.ErrorOpenPort;
port = Factory.I.GetPort(portName, portSettings, timeout);
StarPrinterStatus status;
result = Result.ErrorWritePort;
status = port.GetParsedStatus();
uint commandsLength = (uint)commands.Length;
uint writtenLength = port.WritePort(commands, 0, commandsLength);
if (writtenLength != commandsLength)
{
throw new PortException("WritePort failed.");
}
result = Result.ErrorWritePort;
status = port.GetParsedStatus();
result = Result.Success;
code = StarResultCode.Succeeded;
}
catch (PortException ex)
{
code = ex.ErrorCode;
}
finally
{
if (port != null)
{
Factory.I.ReleasePort(port);
}
}
return(new CommunicationResult()
{
Result = result,
Code = code
});
}
/// <summary>
/// Sample : Sending commands to printer without check condition.
/// </summary>
public static CommunicationResult SendCommandsDoNotCheckCondition(byte[] commands, string portName, string portSettings, int timeout)
{
CommunicationResult result = CommunicationResult.ErrorUnknown;
IPort port = null;
try
{
result = CommunicationResult.ErrorOpenPort;
port = Factory.I.GetPort(portName, portSettings, timeout);
StarPrinterStatus status;
result = CommunicationResult.ErrorWritePort;
status = port.GetParsedStatus();
if (status.RawStatus.Length == 0)
{
throw new PortException("Unable to communicate with printer.");
}
uint commandsLength = (uint)commands.Length;
uint writtenLength = port.WritePort(commands, 0, commandsLength);
if (writtenLength != commandsLength)
{
throw new PortException("WritePort failed.");
}
result = CommunicationResult.ErrorWritePort;
status = port.GetParsedStatus();
result = CommunicationResult.Success;
}
catch (PortException)
{
}
finally
{
if (port != null)
{
Factory.I.ReleasePort(port);
}
}
return(result);
}
/// <summary>
/// Returns the status of the printer.
/// </summary>
/// <returns>An object that contains the status of the printer.</returns>
public override PrinterStatus GetStatus()
{
IPort port = null;
var printerStatus = new PrinterStatus();
try
{
port = Factory.I.GetPort(PrinterName, string.Empty, Timeout);
var status = port.GetParsedStatus();
if (status == null)
{
throw new PrinterException("The printer status is null.");
}
printerStatus.ReceiptPaperNearEmpty = status.ReceiptPaperNearEmptyInner || status.ReceiptPaperNearEmptyOuter;
printerStatus.CoverOpen = status.CoverOpen;
printerStatus.ReceiptPaperEmpty = status.ReceiptPaperEmpty;
printerStatus.OverTemp = status.OverTemp;
printerStatus.CutterError = status.CutterError;
printerStatus.IsOffline = status.Offline;
return(printerStatus);
}
finally
{
if (port != null)
{
Factory.I.ReleasePort(port);
}
}
}
/// <summary>
/// Sample : Monitoring printer process.
/// </summary>
private void MonitoringPrinter()
{
while (true)
{
lock (lockObject)
{
try
{
if (port != null)
{
StarPrinterStatus status = port.GetParsedStatus();
CheckPrinterStatus(status); // Check printer status.
CheckPaperStatus(status); // Check paper status.
CheckCoverStatus(status); // Check cover status.
}
}
catch (Exception) // Printer impossible
{
OnPrinterImpossible();
}
}
Thread.Sleep(1000);
}
}
/// <summary>
/// Sample : Retrieving printer status.
/// </summary>
public static CommunicationResult RetrieveStatus(ref StarPrinterStatus printerStatus, string portName, string portSettings, int timeout)
{
CommunicationResult result = CommunicationResult.ErrorUnknown;
IPort port = null;
try
{
result = CommunicationResult.ErrorOpenPort;
port = Factory.I.GetPort(portName, portSettings, timeout);
result = CommunicationResult.ErrorReadPort;
printerStatus = port.GetParsedStatus();
result = CommunicationResult.Success;
}
catch (PortException)
{
}
finally
{
if (port != null)
{
Factory.I.ReleasePort(port);
}
}
return(result);
}
/// <summary>
/// Sample : Monitoring printer process.
/// </summary>
private void MonitoringPrinter()
{
while (true)
{
lock (lockObject)
{
try
{
if (port != null)
{
StarPrinterStatus status = port.GetParsedStatus();
// Your printer cash drawer open status.
bool cashDrawerOpenActiveHigh = SharedInformationManager.GetDrawerOpenStatus();
if (status.CompulsionSwitch == cashDrawerOpenActiveHigh) // Cash drawer open
{
OnCashDrawerOpen();
}
else
{
OnCashDrawerClose(); // Cash drawer close
}
}
}
catch (Exception) // Printer impossible
{
OnPrinterImpossible();
}
Thread.Sleep(1000);
}
}
}
/// <summary>
/// Sample : Sending commands to printer without check condition (already open port).
/// </summary>
public static CommunicationResult SendCommandsDoNotCheckCondition(byte[] commands, IPort port)
{
Result result = Result.ErrorUnknown;
int code;
try
{
result = Result.ErrorOpenPort;
if (port == null)
{
throw new PortException("port is null.");
}
StarPrinterStatus printerStatus;
result = Result.ErrorWritePort;
printerStatus = port.GetParsedStatus();
uint commandsLength = (uint)commands.Length;
uint writtenLength = port.WritePort(commands, 0, commandsLength);
if (writtenLength != commandsLength)
{
throw new PortException("WritePort failed.");
}
result = Result.ErrorWritePort;
printerStatus = port.GetParsedStatus();
result = Result.Success;
code = StarResultCode.Succeeded;
}
catch (PortException ex)
{
code = ex.ErrorCode;
}
return(new CommunicationResult()
{
Result = result,
Code = code
});
}
/// <summary>
/// Sample : Monitoring printer process.
/// </summary>
private void MonitoringPrinter()
{
uint tickCount = (uint)Environment.TickCount;
while (!cancellationPending)
{
// Check printer status is changed for update status to Star Cloud Services.
isChangeStatus = false;
lock (lockObject)
{
try
{
if (port != null)
{
StarPrinterStatus status = port.GetParsedStatus();
// if printer status is changed "isChangeStatus" comes true.
CheckPrinterStatus(status); // Check printer status.
CheckPaperStatus(status); // Check paper status.
CheckCoverStatus(status); // Check cover status.
// Your printer cash drawer open status.
bool cashDrawerOpenActiveHigh = SharedInformationManager.SelectedDrawerOpenStatus;
CheckCashDrawerStatus(status, cashDrawerOpenActiveHigh); // Check cash drawer status.
}
}
catch (Exception) // Printer impossible
{
OnPrinterImpossible();
}
finally
{
// if printer status is not changed for some times, update status.
if ((UInt32)Environment.TickCount - tickCount >= 300000)
{
isChangeStatus = true;
}
// if printer status is changed, upload printer status to Star Cloud Services.
if (isChangeStatus)
{
OnStatusUpdated();
}
tickCount = (UInt32)Environment.TickCount;
}
Thread.Sleep(1000);
}
}
}
/// <summary>
/// Sample : Sending commands to printer without check condition (already open port).
/// </summary>
public static CommunicationResult SendCommandsDoNotCheckCondition(byte[] commands, IPort port)
{
CommunicationResult result = CommunicationResult.ErrorUnknown;
try
{
if (port == null)
{
return(CommunicationResult.ErrorOpenPort);
}
StarPrinterStatus status;
result = CommunicationResult.ErrorWritePort;
status = port.GetParsedStatus();
uint commandsLength = (uint)commands.Length;
uint writtenLength = port.WritePort(commands, 0, commandsLength);
if (writtenLength != commandsLength)
{
throw new PortException("WritePort failed.");
}
result = CommunicationResult.ErrorWritePort;
status = port.GetParsedStatus();
result = CommunicationResult.Success;
}
catch (PortException)
{
}
return(result);
}
public static void GetDeviceStatus(string portName, string portSettings, int timeout, Action <Result, IPrinterStatus> action)
{
Task task = new Task(() =>
{
Result result = Result.UnknownError;
IPort port = null;
IPrinterStatus printerStatus = null;
try
{
result = Result.GetPortError;
port = Port.GetPort(portName, portSettings, timeout);
result = Result.GetParsedStatusError;
printerStatus = port.GetParsedStatus();
result = Result.Success;
}
catch (Exception exception)
{
DebugExt.WriteLine(exception.Message);
}
finally
{
if (port != null)
{
Port.ReleasePort(port);
port = null;
}
}
Device.BeginInvokeOnMainThread(() => {
action(result, printerStatus);
});
});
task.Start();
}
/// <summary>
/// Sample : Monitoring printer process.
/// </summary>
private void MonitoringPrinter()
{
// Your printer emulation.
Emulation emulation = SharedInformationManager.GetSelectedEmulation();
while (true)
{
lock (lockObject)
{
try
{
if (port != null)
{
StarPrinterStatus status = port.GetParsedStatus();
CheckPrinterStatus(status); // Check printer status.
CheckPaperStatus(status); // Check paper status.
CheckCoverStatus(status); // Check cover status.
CheckCashDrawer(status); // Check cash drawer status.
CheckBarcodeReaderStatus(); // Check barcode reader status. (connect or disconnect)
if (currentBarcodeReaderStatus == Communication.PeripheralStatus.Connect) // Barcode reader is connected.
{
ReadBarcodeReaderData(); // Read barcode reader data.
}
}
}
catch (PortException)
{
OnPrinterImpossible();
}
}
Thread.Sleep(100);
}
}
/// <summary>
/// Sample : Retrieving printer status.
/// </summary>
public static CommunicationResult RetrieveStatus(ref StarPrinterStatus printerStatus, string portName, string portSettings, int timeout)
{
Result result = Result.ErrorUnknown;
int code = StarResultCode.ErrorFailed;
IPort port = null;
try
{
result = Result.ErrorOpenPort;
port = Factory.I.GetPort(portName, portSettings, timeout);
result = Result.ErrorReadPort;
printerStatus = port.GetParsedStatus();
result = Result.Success;
code = StarResultCode.Succeeded;
}
catch (PortException ex)
{
code = ex.ErrorCode;
}
finally
{
if (port != null)
{
Factory.I.ReleasePort(port);
}
}
return(new CommunicationResult()
{
Result = result,
Code = code
});
}
/// <summary>
/// Sample : Setting USB serial number.
/// </summary>
public static CommunicationResult SetUSBSerialNumber(byte[] serialNumber, bool isEnabled, IPort port)
{
Result result = Result.ErrorUnknown;
int code;
try
{
result = Result.ErrorOpenPort;
if (port == null)
{
throw new PortException("port is null.");
}
result = Result.ErrorWritePort;
StarPrinterStatus printerStatus = port.GetParsedStatus();
if (printerStatus.Offline)
{
string message = "Printer is Offline.";
if (printerStatus.ReceiptPaperEmpty)
{
message += "\nPaper is Empty.";
}
if (printerStatus.CoverOpen)
{
message += "\nCover is Open.";
}
throw new PortException(message);
}
if (serialNumber.Length != 0)
{
// Send setting USB serial number command.
List <byte> setUSBSerialNumberCommandList = new List <byte>();
setUSBSerialNumberCommandList.AddRange(new byte[] { 0x1b, 0x23, 0x23, 0x57 });
int fillCounts = 0;
if (serialNumber.Length <= 8)
{
setUSBSerialNumberCommandList.Add(0x38);
fillCounts = 8 - serialNumber.Length;
}
else if (serialNumber.Length <= 16)
{
setUSBSerialNumberCommandList.Add(0x10);
fillCounts = 16 - serialNumber.Length;
}
setUSBSerialNumberCommandList.Add(0x2c);
for (int i = 0; i < fillCounts; i++) // Fill in the top at '0' to be a total 8 or 16 digit.
{
setUSBSerialNumberCommandList.Add(0x30);
}
setUSBSerialNumberCommandList.AddRange(serialNumber);
setUSBSerialNumberCommandList.AddRange(new byte[] { 0x0a, 0x00 });
byte[] setUSBSerialNumberCommand = setUSBSerialNumberCommandList.ToArray();
port.WritePort(setUSBSerialNumberCommand, 0, (uint)setUSBSerialNumberCommand.Length);
Thread.Sleep(5000); // Wait for 5 seconds until printer recover from software reset.
}
// Send setting USB serial number is enabled command.
byte[] setUSBSerialNumberIsEnabledCommand;
if (isEnabled)
{
setUSBSerialNumberIsEnabledCommand = new byte[] { 0x1b, 0x1d, 0x23, 0x2b, 0x43, 0x30, 0x30, 0x30, 0x32, 0x0a, 0x00,
0x1b, 0x1d, 0x23, 0x57, 0x30, 0x30, 0x30, 0x30, 0x30, 0x0a, 0x00 }; // Enable
}
else
{
setUSBSerialNumberIsEnabledCommand = new byte[] { 0x1b, 0x1d, 0x23, 0x2d, 0x43, 0x30, 0x30, 0x30, 0x32, 0x0a, 0x00,
0x1b, 0x1d, 0x23, 0x57, 0x30, 0x30, 0x30, 0x30, 0x30, 0x0a, 0x00 }; // Disable
}
port.WritePort(setUSBSerialNumberIsEnabledCommand, 0, (uint)setUSBSerialNumberIsEnabledCommand.Length);
result = Result.Success;
code = StarResultCode.Succeeded;
}
catch (PortException ex)
{
code = ex.ErrorCode;
}
return(new CommunicationResult()
{
Result = result,
Code = code
});
}
/// <summary>
/// Sample : Parse printer response.
/// </summary>
public static CommunicationResult ParseDoNotCheckCondition(IPeripheralCommandParser parser, IPort port)
{
CommunicationResult result = CommunicationResult.ErrorUnknown;
try
{
result = CommunicationResult.ErrorOpenPort;
if (port == null)
{
return(CommunicationResult.ErrorOpenPort);
}
result = CommunicationResult.ErrorWritePort;
StarPrinterStatus printerStatus = port.GetParsedStatus();
byte[] commands = parser.SendCommands;
port.WritePort(commands, 0, (uint)commands.Length);
result = CommunicationResult.ErrorReadPort;
byte[] readBuffer = new byte[1024];
uint totalReceiveSize = 0;
uint startDate = (uint)Environment.TickCount;
while (true)
{
Thread.Sleep(10);
uint receiveSize = port.ReadPort(ref readBuffer, totalReceiveSize, (uint)(readBuffer.Length - totalReceiveSize));
if (receiveSize > 0)
{
totalReceiveSize += receiveSize;
}
byte[] receiveData = new byte[totalReceiveSize];
Array.Copy(readBuffer, 0, receiveData, 0, totalReceiveSize);
if (parser.Parse(receiveData, (int)totalReceiveSize) == ParseResult.Success)
{
result = CommunicationResult.Success;
break;
}
if ((UInt32)Environment.TickCount - startDate >= 1000) // Timeout
{
throw new PortException("ReadPort timeout.");
}
}
}
catch (PortException)
{
}
return(result);
}
/// <summary>
/// Sample : Getting printer serial number.
/// </summary>
public static CommunicationResult GetSerialNumber(ref string serialNumber, IPort port)
{
CommunicationResult result = CommunicationResult.ErrorUnknown;
try
{
result = CommunicationResult.ErrorOpenPort;
if (port == null)
{
return(CommunicationResult.ErrorOpenPort);
}
result = CommunicationResult.ErrorWritePort;
StarPrinterStatus printerStatus = port.GetParsedStatus();
byte[] getInformationCommands = new byte[] { 0x1b, 0x1d, 0x29, 0x49, 0x01, 0x00, 49 }; // ESC GS ) I pL pH fn (Transmit printer information command)
port.WritePort(getInformationCommands, 0, (uint)getInformationCommands.Length);
result = CommunicationResult.ErrorReadPort;
byte[] readBuffer = new byte[1024];
uint totalReceiveSize = 0;
string information = "";
uint startDate = (uint)Environment.TickCount;
while (true)
{
if ((UInt32)Environment.TickCount - startDate >= 3000) // Timeout
{
throw new PortException("ReadPort timeout.");
}
uint receiveSize = port.ReadPort(ref readBuffer, totalReceiveSize, (uint)(readBuffer.Length - totalReceiveSize));
if (receiveSize > 0)
{
totalReceiveSize += receiveSize;
}
else
{
continue;
}
byte[] receiveData = new byte[totalReceiveSize];
Array.Copy(readBuffer, 0, receiveData, 0, totalReceiveSize);
bool receiveResponse = false;
if (totalReceiveSize >= 2)
{
for (int i = 0; i < totalReceiveSize; i++)
{
if (receiveData[i] == 0x0a && // Check the footer of the command.
receiveData[i + 1] == 0x00)
{
for (int j = 0; j < totalReceiveSize - 9; j++)
{
if (receiveData[j] == 0x1b &&
receiveData[j + 1] == 0x1d &&
receiveData[j + 2] == 0x29 &&
receiveData[j + 3] == 0x49 &&
receiveData[j + 4] == 0x01 &&
receiveData[j + 5] == 0x00 &&
receiveData[j + 6] == 49)
{
string responseStr = Encoding.ASCII.GetString(receiveData);
int infoStartIndex = j + 7; // information start index.
int infoEndIndex = (int)(totalReceiveSize - 2); // information end index.
information = responseStr.Substring(infoStartIndex, infoEndIndex - infoStartIndex); // Extract information from priinter response.
receiveResponse = true;
break;
}
}
}
}
}
if (receiveResponse)
{
break;
}
}
int serialNumberStartIndex = information.IndexOf("PrSrN="); // Check serial number tag.
if (serialNumberStartIndex == -1)
{
throw new PortException("Parse serial number failed.");
}
serialNumberStartIndex += "PrSrN=".Length;
string temp = information.Substring(serialNumberStartIndex);
int serialNumberEndIndex = temp.IndexOf(","); // Check comma.
if (serialNumberEndIndex == -1) // Not find comma.
{
serialNumberEndIndex = temp.Length; // End of information.
}
serialNumber = temp.Substring(0, serialNumberEndIndex); // Parse serial number information.
int nullIndex = serialNumber.IndexOf("\0"); // Check null(for clone serial number).
if (nullIndex != -1) // Find null.
{
serialNumber = serialNumber.Substring(0, nullIndex);
}
result = CommunicationResult.Success;
}
catch (PortException)
{
}
return(result);
}
public static CommunicationResult ParseDoNotCheckCondition(IPeripheralCommandParser parser, IPort port)
{
Result result = Result.ErrorUnknown;
int code;
try
{
result = Result.ErrorOpenPort;
if (port == null)
{
throw new PortException("port is null.");
}
result = Result.ErrorWritePort;
StarPrinterStatus printerStatus = port.GetParsedStatus();
byte[] commands = parser.SendCommands;
port.WritePort(commands, 0, (uint)commands.Length);
result = Result.ErrorReadPort;
byte[] readBuffer = new byte[1024];
List <byte> allReceiveData = new List <byte>();
uint startDate = (uint)Environment.TickCount;
while (true)
{
if ((UInt32)Environment.TickCount - startDate >= 1000) // Timeout
{
throw new PortException("ReadPort timeout.");
}
Thread.Sleep(10);
uint receiveSize = port.ReadPort(ref readBuffer, 0, (uint)readBuffer.Length);
if (receiveSize == 0)
{
continue;
}
byte[] receiveData = new byte[receiveSize];
Array.Copy(readBuffer, 0, receiveData, 0, receiveSize);
allReceiveData.AddRange(receiveData);
if (parser.Parse(allReceiveData.ToArray(), allReceiveData.Count) == ParseResult.Success)
{
result = Result.Success;
code = StarResultCode.Succeeded;
break;
}
}
}
catch (PortException ex)
{
code = ex.ErrorCode;
}
return(new CommunicationResult()
{
Result = result,
Code = code
});
}
/// <summary>
/// Sample : Getting printer information.
/// </summary>
public static CommunicationResult GetPrinterInformation(ref string receiveInfomation, string tag, IPort port)
{
Result result = Result.ErrorUnknown;
int code;
try
{
result = Result.ErrorOpenPort;
if (port == null)
{
throw new PortException("port is null.");
}
result = Result.ErrorWritePort;
StarPrinterStatus printerStatus = port.GetParsedStatus();
byte[] getInformationCommands = new byte[] { 0x1b, 0x1d, 0x29, 0x49, 0x01, 0x00, 49 }; // ESC GS ) I pL pH fn (Transmit printer information command)
port.WritePort(getInformationCommands, 0, (uint)getInformationCommands.Length);
result = Result.ErrorReadPort;
string information = "";
byte[] readBuffer = new byte[1024];
List <byte> allReceiveData = new List <byte>();
uint startDate = (uint)Environment.TickCount;
while (true)
{
if ((UInt32)Environment.TickCount - startDate >= 3000) // Timeout
{
throw new PortException("ReadPort timeout.");
}
uint receiveSize = port.ReadPort(ref readBuffer, 0, (uint)readBuffer.Length);
if (receiveSize == 0)
{
continue;
}
byte[] receiveData = new byte[receiveSize];
Array.Copy(readBuffer, 0, receiveData, 0, receiveSize);
allReceiveData.AddRange(receiveData);
bool receiveResponse = false;
int totalReceiveSize = allReceiveData.Count;
if (totalReceiveSize >= 2)
{
for (int i = 0; i < totalReceiveSize; i++)
{
if (allReceiveData[i] == 0x0a && // Check the footer of the command.
allReceiveData[i + 1] == 0x00)
{
for (int j = 0; j < totalReceiveSize - 9; j++)
{
if (allReceiveData[j] == 0x1b &&
allReceiveData[j + 1] == 0x1d &&
allReceiveData[j + 2] == 0x29 &&
allReceiveData[j + 3] == 0x49 &&
allReceiveData[j + 4] == 0x01 &&
allReceiveData[j + 5] == 0x00 &&
allReceiveData[j + 6] == 49)
{
string responseStr = Encoding.ASCII.GetString(allReceiveData.ToArray());
int infoStartIndex = j + 7; // information start index.
int infoEndIndex = totalReceiveSize - 2; // information end index.
information = responseStr.Substring(infoStartIndex, infoEndIndex - infoStartIndex); // Extract information from priinter response.
receiveResponse = true;
break;
}
}
}
}
}
if (receiveResponse)
{
break;
}
}
int infomationStartIndex = information.IndexOf(tag); // Check tag.
if (infomationStartIndex == -1)
{
throw new PortException("Parse printer information failed.");
}
infomationStartIndex += tag.Length;
string temp = information.Substring(infomationStartIndex);
int informationEndIndex = temp.IndexOf(","); // Check comma.
if (informationEndIndex == -1) // Not find comma.
{
informationEndIndex = temp.Length; // End of information.
}
receiveInfomation = temp.Substring(0, informationEndIndex); // Parse serial number information.
int nullIndex = receiveInfomation.IndexOf("\0"); // Check null(for clone serial number).
if (nullIndex != -1) // Find null.
{
receiveInfomation = receiveInfomation.Substring(0, nullIndex);
}
result = Result.Success;
code = StarResultCode.Succeeded;
}
catch (PortException ex)
{
code = ex.ErrorCode;
}
return(new CommunicationResult()
{
Result = result,
Code = code
});
}
public static void SendCommandsDoNotCheckCondition(byte[] commands, string portName, string portSettings, int timeout, Action <Result> action)
{
Task task = new Task(() =>
{
Result result = Result.UnknownError;
IPort port = null;
IPrinterStatus printerStatus;
try
{
result = Result.GetPortError;
port = Port.GetPort(portName, portSettings, timeout);
result = Result.GetParsedStatusError;
printerStatus = port.GetParsedStatus();
// if (printerStatus.Offline) // Do not check condition.
// {
// throw new Exception("Printer is offline (GetParsedStatus)");
// }
result = Result.WritePortError;
DateTime startDateTime = DateTime.Now;
int total = 0;
while (true)
{
int written = port.WritePort(commands, total, commands.Length - total);
total += written;
// if (total == commands.Length)
if (total >= commands.Length)
{
break;
}
TimeSpan timeSpan = DateTime.Now - startDateTime;
if (timeSpan.TotalMilliseconds >= 30000) // 30000mS!!!
{
throw new Exception("Write port timed out");
}
}
result = Result.GetParsedStatusError;
printerStatus = port.GetParsedStatus();
// if (printerStatus.Offline) // Do not check condition.
// {
// throw new Exception("Printer is offline (GetParsedStatus)");
// }
result = Result.Success;
}
catch (Exception exception)
{
DebugExt.WriteLine(exception.Message);
}
finally
{
if (port != null)
{
Port.ReleasePort(port);
port = null;
}
}
Device.BeginInvokeOnMainThread(() => {
action(result);
});
});
task.Start();
}
/// <summary>
/// Sample : Initializing USB serial number.
/// </summary>
public static CommunicationResult InitializeUSBSerialNumber(bool isEnabled, IPort port)
{
Result result = Result.ErrorUnknown;
int code;
try
{
result = Result.ErrorOpenPort;
if (port == null)
{
throw new PortException("port is null.");
}
result = Result.ErrorWritePort;
StarPrinterStatus printerStatus = port.GetParsedStatus();
if (printerStatus.Offline)
{
string message = "Printer is Offline.";
if (printerStatus.ReceiptPaperEmpty)
{
message += "\nPaper is Empty.";
}
if (printerStatus.CoverOpen)
{
message += "\nCover is Open.";
}
throw new PortException(message);
}
List <byte> settingCommandList = new List <byte>();
// Send initialize USB serial number command.
byte[] initializeUSBSerialNumberCommand = new byte[] { 0x1b, 0x23, 0x23, 0x57, 0x38, 0x2c, (byte)'?', (byte)'?', (byte)'?', (byte)'?', (byte)'?', (byte)'?', (byte)'?', (byte)'?', 0x0a, 0x00 };
port.WritePort(initializeUSBSerialNumberCommand, 0, (uint)initializeUSBSerialNumberCommand.Length);
Thread.Sleep(5000); // Wait for 5 seconds until printer recover from software reset.
// Send setting USB serial number is enabled command.
byte[] setUSBSerialNumberIsEnabledCommand;
if (isEnabled)
{
setUSBSerialNumberIsEnabledCommand = new byte[] { 0x1b, 0x1d, 0x23, 0x2b, 0x43, 0x30, 0x30, 0x30, 0x32, 0x0a, 0x00,
0x1b, 0x1d, 0x23, 0x57, 0x30, 0x30, 0x30, 0x30, 0x30, 0x0a, 0x00 }; // Enable
}
else
{
setUSBSerialNumberIsEnabledCommand = new byte[] { 0x1b, 0x1d, 0x23, 0x2d, 0x43, 0x30, 0x30, 0x30, 0x32, 0x0a, 0x00,
0x1b, 0x1d, 0x23, 0x57, 0x30, 0x30, 0x30, 0x30, 0x30, 0x0a, 0x00 }; // Disable
}
port.WritePort(setUSBSerialNumberIsEnabledCommand, 0, (uint)setUSBSerialNumberIsEnabledCommand.Length);
result = Result.Success;
code = StarResultCode.Succeeded;
}
catch (PortException ex)
{
code = ex.ErrorCode;
}
return(new CommunicationResult()
{
Result = result,
Code = code
});
}
