private boolean initA3P() {
boolean a3pInited = false;
if (a3pSession != null && a3pSession.isConnected()) {
// Session is still connected, do nothing
Log.d(TAG, "Session still connected. Not reconnecting.");
return true;
}
// If we already have an A3PSession, close it before making a new one
// Also, clear out previous device ID list
if (a3pSession != null) {
Log.d(TAG, "Closing previous A3PSession!");
a3pSession.endConnection();
while (!a3pSession.isClosed()) {
try {
synchronized (this) {
this.wait(100);
}
} catch (InterruptedException e) {
// Do nothing if interrupted.
}
}
deviceIDs.clear();
}
if (myParcelFD == null) {
if (openMyAccessory()) {
// Start or restart an A3PSession
if (a3pSession != null) {
Log.d(TAG, "Copying queues from old A3P Session!");
a3pSession = A3PSession.freshCopy(a3pSession, myParcelFD);
} else {
Log.d(TAG, "Starting first session!");
a3pSession = new A3PSession(this, myParcelFD);
}
// Attempt to initiate connection
a3pSession.startConnection();
a3pInited = true;
} else {
Log.e(TAG, "Cannot create A3PSession. openMyAccessory failed!");
a3pInited = false;
}
}
return a3pInited;
}
// Initialize the USB
private void initUSB() {
if (initA3P()) {
initThread();
int retries = 0;
while (++retries < MAX_RETRIES_FOR_CONN_READY) {
if (a3pSession.isConnected()) {
Log.d(TAG, "USB ready for communication");
usbInited = true;
break;
}
try {
Thread.sleep(500);
} catch (InterruptedException iex) {
}
}
}
}