private async Task <RfidReaderResult> Read()
{
RfidReaderResult retvalue = new RfidReaderResult();
var dataReader = new DataReader(_rfidReader.InputStream);
try
{
SetStatus("Awaiting Data from RFID Reader");
var numBytesRecvd = await dataReader.LoadAsync(1024);
retvalue.Result = new byte[numBytesRecvd];
if (numBytesRecvd > 0)
{
SetStatus("Data successfully read from RFID Reader");
dataReader.ReadBytes(retvalue.Result);
retvalue.IsSuccessful = true;
retvalue.Message = "Data successfully read from RFID Reader";
}
}
catch (Exception ex)
{
retvalue.IsSuccessful = false;
retvalue.Message = ex.Message;
}
finally
{
if (dataReader != null)
{
dataReader.DetachStream();
dataReader = null;
}
}
return(retvalue);
}
private async Task <RfidReaderResult> Write(byte[] writeBytes)
{
var dataWriter = new DataWriter(_rfidReader.OutputStream);
RfidReaderResult retvalue = new RfidReaderResult();
try
{
//send the message
SetStatus("Writing command to RFID Reader");
dataWriter.WriteBytes(writeBytes);
await dataWriter.StoreAsync();
retvalue.IsSuccessful = true;
retvalue.Result = writeBytes;
retvalue.Message = "Text has been successfully sent";
SetStatus("Writing of command has been successful");
}
catch (Exception ex)
{
retvalue.IsSuccessful = false;
retvalue.Message = ex.Message;
}
finally
{
if (dataWriter != null)
{
dataWriter.DetachStream();
dataWriter = null;
}
}
return(retvalue);
}
/// <summary>
/// Serial write function to PN532
/// </summary>
/// <param name="writeBytes">byte array sent to the Cottonwood</param>
/// <returns>bytes written and success indicator</returns>
private async Task <RfidReaderResult> Write(byte[] writeBytes)
{
Debug.WriteLine(string.Format("Write: {0}", BitConverter.ToString(writeBytes)));
var dataWriter = new DataWriter(_rfidReader.OutputStream);
var retvalue = new RfidReaderResult();
try
{
//send the message
//Writing command to RFID Reader
dataWriter.WriteBytes(writeBytes);
await dataWriter.StoreAsync();
retvalue.IsSuccessful = true;
retvalue.Result = writeBytes;
//Writing of command has been successful
}
finally
{
dataWriter.DetachStream();
}
return(retvalue);
}
private async Task<RfidReaderResult> Read()
{
RfidReaderResult retvalue = new RfidReaderResult();
var dataReader = new DataReader(_rfidReader.InputStream);
try
{
SetStatus("Awaiting Data from RFID Reader");
var numBytesRecvd = await dataReader.LoadAsync(1024);
retvalue.Result = new byte[numBytesRecvd];
if (numBytesRecvd > 0)
{
SetStatus("Data successfully read from RFID Reader");
dataReader.ReadBytes(retvalue.Result);
retvalue.IsSuccessful = true;
retvalue.Message = "Data successfully read from RFID Reader";
}
}
catch (Exception ex)
{
retvalue.IsSuccessful = false;
retvalue.Message = ex.Message;
}
finally
{
if (dataReader != null)
{
dataReader.DetachStream();
dataReader = null;
}
}
return retvalue;
}
/// <summary>
/// Serial write function to the Cottonwood
/// </summary>
/// <param name="writeBytes">byte array sent to the Cottonwood</param>
/// <returns>bytes written and success indicator</returns>
private async Task <RfidReaderResult> Write(byte[] writeBytes)
{
var dataWriter = new DataWriter(_rfidReader.OutputStream);
RfidReaderResult retvalue = new RfidReaderResult();
try
{
//send the message
//Writing command to RFID Reader
dataWriter.WriteBytes(writeBytes);
await dataWriter.StoreAsync();
retvalue.IsSuccessful = true;
retvalue.Result = writeBytes;
//Writing of command has been successful
}
catch (Exception ex)
{
throw ex;
}
finally
{
if (dataWriter != null)
{
dataWriter.DetachStream();
dataWriter = null;
}
}
return(retvalue);
}
/// <summary>
/// Serial read
/// </summary>
/// <returns>bytes read</returns>
private async Task <RfidReaderResult> Read()
{
var retvalue = new RfidReaderResult();
var dataReader = new DataReader(_rfidReader.InputStream);
var cancellationTokenSource = new CancellationTokenSource(2000);
var token = cancellationTokenSource.Token;
try
{
//Awaiting Data from RFID Reader
var numBytesRecvd = await dataReader.LoadAsync(1024).AsTask(token);
retvalue.Result = new byte[numBytesRecvd];
if (numBytesRecvd > 0)
{
//Data successfully read from RFID Reader"
dataReader.ReadBytes(retvalue.Result);
retvalue.IsSuccessful = true;
Debug.WriteLine($"Read: {BitConverter.ToString(retvalue.Result)}");
}
}
catch (Exception)
{
//dataReader.DetachStream();
//_rfidReader.Dispose();
retvalue.IsSuccessful = false;
throw;
}
finally
{
dataReader.DetachStream();
}
return(retvalue);
}
/// <summary>
/// Serial write function to the Cottonwood
/// </summary>
/// <param name="writeBytes">byte array sent to the Cottonwood</param>
/// <returns>bytes written and success indicator</returns>
private async Task<RfidReaderResult> Write(byte[] writeBytes)
{
var dataWriter = new DataWriter(_rfidReader.OutputStream);
RfidReaderResult retvalue = new RfidReaderResult();
try
{
//send the message
//Writing command to RFID Reader
dataWriter.WriteBytes(writeBytes);
await dataWriter.StoreAsync();
retvalue.IsSuccessful = true;
retvalue.Result = writeBytes;
//Writing of command has been successful
}
catch (Exception ex)
{
throw ex;
}
finally
{
if (dataWriter != null)
{
dataWriter.DetachStream();
dataWriter = null;
}
}
return retvalue;
}
private async Task<RfidReaderResult> Write(byte[] writeBytes)
{
var dataWriter = new DataWriter(_rfidReader.OutputStream);
RfidReaderResult retvalue = new RfidReaderResult();
try
{
//send the message
SetStatus("Writing command to RFID Reader");
dataWriter.WriteBytes(writeBytes);
await dataWriter.StoreAsync();
retvalue.IsSuccessful = true;
retvalue.Result = writeBytes;
retvalue.Message = "Text has been successfully sent";
SetStatus("Writing of command has been successful");
}
catch (Exception ex)
{
retvalue.IsSuccessful = false;
retvalue.Message = ex.Message;
}
finally
{
if (dataWriter != null)
{
dataWriter.DetachStream();
dataWriter = null;
}
}
return retvalue;
}
