bool QSerialPortPrivate::open(QIODevice::OpenMode mode)
{
rwMode = mode;
qCDebug(AndroidSerialPortLog) << "Opening" << systemLocation.toLatin1().data();
QAndroidJniObject jnameL = QAndroidJniObject::fromString(systemLocation);
cleanJavaException();
deviceId = QAndroidJniObject::callStaticMethod<jint>(
kJniClassName,
"open",
"(Landroid/content/Context;Ljava/lang/String;I)I",
QtAndroid::androidActivity().object(),
jnameL.object<jstring>(),
(jint)this);
cleanJavaException();
isReadStopped = false;
if (deviceId == BAD_PORT)
{
qWarning() << "Error opening %s" << systemLocation.toLatin1().data();
q_ptr->setError(QSerialPort::DeviceNotFoundError);
return false;
}
if (rwMode == QIODevice::WriteOnly)
stopReadThread();
return true;
}
static void cleanup() {
stopUserThread();
stopReadThread();
s_userThread->join();
s_remoteThread->join();
/* The threads MUST be stopped before the event system is
* closed, since the threads continously access the event
* system. */
closeEventSystem();
}
void QSerialPortPrivate::newDataArrived(char *bytesA, int lengthA)
{
Q_Q(QSerialPort);
int bytesToReadL = lengthA;
// Always buffered, read data from the port into the read buffer
if (readBufferMaxSize && (bytesToReadL > (readBufferMaxSize - readBuffer.size()))) {
bytesToReadL = readBufferMaxSize - readBuffer.size();
if (bytesToReadL <= 0) {
// Buffer is full. User must read data from the buffer
// before we can read more from the port.
stopReadThread();
return;
}
}
char *ptr = readBuffer.reserve(bytesToReadL);
memcpy(ptr, bytesA, bytesToReadL);
emit q->readyRead();
}
