void UpdateReceivedData(byte[] data)
{
var message = HexDump.DumpHexString(data);
dumpTextView.Append(message);
scrollView.SmoothScrollTo(0, dumpTextView.Bottom);
}
void UpdateReceivedData(byte[] data)
{
var message = "Read " + data.Length + " bytes: \n"
+ HexDump.DumpHexString(data) + "\n\n";
dumpTextView.Append(message);
scrollView.SmoothScrollTo(0, dumpTextView.Bottom);
}
void UpdateReceivedData(byte[] data)
{
string result = Encoding.UTF8.GetString(data);
var message = "Read " + data.Length + " bytes: " + HexDump.DumpHexString(data) + "\n";
dumpTextView.Append(message);
scrollView.SmoothScrollTo(0, dumpTextView.Bottom);
}
public override int Read(byte[] dest, int timeoutMilliseconds)
{
UsbEndpoint endpoint = _driver.Device.GetInterface(0).GetEndpoint(0);
if (ENABLE_ASYNC_READS)
{
int readAmt;
lock (_readBufferLock)
{
readAmt = Math.Min(dest.Length, _readBuffer.Length);
}
var request = new UsbRequest();
request.Initialize(_connection, endpoint);
var buf = ByteBuffer.Wrap(dest);
if (!request.Queue(buf, readAmt)) //TODO: Must fix this
{
throw new UsbSerialException("Error queueing request.");
}
UsbRequest response = _connection.RequestWait();
if (response == null)
{
throw new UsbSerialException("Null response");
}
int payloadBytesRead = buf.Position() - MODEM_STATUS_HEADER_LENGTH;
if (payloadBytesRead > 0)
{
Log.Debug(nameof(FtdiSerialDriver), HexDump.DumpHexString(dest, 0, Math.Min(32, dest.Length)));
return(payloadBytesRead);
}
else
{
return(0);
}
}
else
{
lock (_readBufferLock)
{
int readAmt = Math.Min(dest.Length, _readBuffer.Length);
int totalBytesRead = _connection.BulkTransfer(endpoint, _readBuffer, readAmt, timeoutMilliseconds);
if (totalBytesRead < MODEM_STATUS_HEADER_LENGTH)
{
throw new UsbSerialException($"Expected at least {MODEM_STATUS_HEADER_LENGTH} bytes");
}
return(FilterStatusBytes(_readBuffer, dest, totalBytesRead, endpoint.MaxPacketSize));
}
}
}
void UpdateReceivedData(byte[] data)
{
try
{
ConnectivityManager ConnectivityManager = (ConnectivityManager)Application.Context.GetSystemService(Context.ConnectivityService);
NetworkInfo connection = ConnectivityManager.ActiveNetworkInfo;
if (connection != null && connection.IsConnected && CrossConnectivity.Current.IsConnected)
{
var message = HexDump.DumpHexString(data) + "\n\n";
dumpTextView.Append(message);
scrollView.SmoothScrollTo(0, dumpTextView.Bottom);
}
else
{
if (wake.IsHeld && wifilock.IsHeld)
{
wake.Release(); //libera wakeLock
wifilock.Release(); //libera wifiLock
}
activateSleep = false;
PowerManager pwm = (PowerManager)GetSystemService(Context.PowerService);
WakeLock wkl = pwm.NewWakeLock(WakeLockFlags.Full | WakeLockFlags.AcquireCausesWakeup | WakeLockFlags.OnAfterRelease, "wakeup device");
wkl.Acquire();
wkl.Release();
Finish();
intent = PackageManager.GetLaunchIntentForPackage("com.flexolumens.MonitorInteligente");
StartActivity(intent);
//OnDestroy();
}
if (activateSleep == true && (connection != null && connection.IsConnected) && CrossConnectivity.Current.IsConnected)
{
wake.Acquire();
wifilock.Acquire();
activateSleep = false;
intento = PackageManager.GetLaunchIntentForPackage("com.ssaurel.lockdevice");
StartActivity(intento);
//if (!wifi.IsWifiEnabled)
//{
//wifi.SetWifiEnabled(true);
//}
}
}
catch (Exception ex)
{
Toast.MakeText(this, ex.Message, ToastLength.Long).Show();
}
}
public override int Read(byte[] dest, int timeoutMillis)
{
if (mEnableAsyncReads)
{
UsbRequest request = new UsbRequest();
try
{
request.Initialize(mConnection, mReadEndpoint);
// CJM: Xamarin bug: ByteBuffer.Wrap is supposed to be a two way update
// Changes made to one buffer should reflect in the other. It's not working
// As a work around, I added a new method as an extension that uses JNI to turn
// a new byte[] array. I then used BlockCopy to copy the bytes back the original array
// see https://forums.xamarin.com/discussion/comment/238396/#Comment_238396
//
// Old work around:
// as a work around, we populate dest with a call to buf.Get()
// see https://bugzilla.xamarin.com/show_bug.cgi?id=20772
// and https://bugzilla.xamarin.com/show_bug.cgi?id=31260
ByteBuffer buf = ByteBuffer.Wrap(dest);
if (!request.Queue(buf, dest.Length))
{
throw new IOException("Error queueing request.");
}
UsbRequest response = mConnection.RequestWait();
if (response == null)
{
throw new IOException("Null response");
}
int nread = buf.Position();
if (nread > 0)
{
// CJM: This differs from the Java implementation. The dest buffer was
// not getting the data back.
// 1st work around, no longer used
//buf.Rewind();
//buf.Get(dest, 0, dest.Length);
System.Buffer.BlockCopy(buf.ToByteArray(), 0, dest, 0, dest.Length);
Log.Debug(TAG, HexDump.DumpHexString(dest, 0, Math.Min(32, dest.Length)));
return(nread);
}
else
{
return(0);
}
}
finally
{
request.Close();
}
}
int numBytesRead;
lock (mReadBufferLock)
{
int readAmt = Math.Min(dest.Length, mReadBuffer.Length);
numBytesRead = mConnection.BulkTransfer(mReadEndpoint, mReadBuffer, readAmt,
timeoutMillis);
if (numBytesRead < 0)
{
// This sucks: we get -1 on timeout, not 0 as preferred.
// We *should* use UsbRequest, except it has a bug/api oversight
// where there is no way to determine the number of bytes read
// in response :\ -- http://b.android.com/28023
if (timeoutMillis == Integer.MaxValue)
{
// Hack: Special case "~infinite timeout" as an error.
return(-1);
}
return(0);
}
System.Buffer.BlockCopy(mReadBuffer, 0, dest, 0, numBytesRead);
}
return(numBytesRead);
}
public override int Read(byte[] dest, int timeoutMillis)
{
var endpoint = mDevice.GetInterface(0).GetEndpoint(0);
if (ENABLE_ASYNC_READS)
{
int readAmt;
lock (mReadBufferLock)
{
// mReadBuffer is only used for maximum read size.
readAmt = Math.Min(dest.Length, mReadBuffer.Length);
}
var request = new UsbRequest();
request.Initialize(mConnection, endpoint);
var buf = ByteBuffer.Wrap(dest);
if (!request.Queue(buf, readAmt))
{
throw new IOException("Error queueing request.");
}
var response = mConnection.RequestWait();
if (response == null)
{
throw new IOException("Null response");
}
var payloadBytesRead =
buf.Position() - MODEM_STATUS_HEADER_LENGTH;
if (payloadBytesRead > 0)
{
// CJM: This differs from the Java implementation. The dest buffer was
// not getting the data back.
Buffer.BlockCopy(buf.ToByteArray(),
0,
dest,
0,
dest.Length);
Log.Debug(TAG,
HexDump.DumpHexString(dest,
0,
Math.Min(32, dest.Length)));
return(payloadBytesRead);
}
return(0);
}
int totalBytesRead;
lock (mReadBufferLock)
{
var readAmt = Math.Min(dest.Length, mReadBuffer.Length);
// todo: replace with async call
totalBytesRead = mConnection.BulkTransfer(endpoint,
mReadBuffer,
readAmt,
timeoutMillis);
if (totalBytesRead < MODEM_STATUS_HEADER_LENGTH)
{
throw new IOException(
"Expected at least "
+ MODEM_STATUS_HEADER_LENGTH
+ " bytes");
}
return(FilterStatusBytes(mReadBuffer,
dest,
totalBytesRead,
endpoint.MaxPacketSize));
}
}
