bool AndroidAccessory::isConnected(void)
{
USB_DEVICE_DESCRIPTOR *devDesc = (USB_DEVICE_DESCRIPTOR *) descBuff;
byte err;
refresh();
if (!connected &&
usb.getUsbTaskState() >= USB_STATE_CONFIGURING &&
usb.getUsbTaskState() != USB_STATE_RUNNING) {
Serial.print(F("\nDevice addressed... "));
Serial.print(F("Requesting device descriptor.\n"));
err = usb.getDevDescr(1, 0, 0x12, (char *) devDesc);
if (err) {
Serial.print(F("\nDevice descriptor cannot be retrieved. Trying again\n"));
return false;
}
if (isAccessoryDevice(devDesc)) {
Serial.print(F("found android acessory device\n"));
connected = configureAndroid();
} else {
Serial.print(F("found possible device. swithcing to serial mode\n"));
switchDevice(1);
}
} else if (usb.getUsbTaskState() == USB_DETACHED_SUBSTATE_WAIT_FOR_DEVICE) {
if (connected)
Serial.println(F("disconnect\n"));
connected = false;
}
return connected;
}
bool AndroidAccessory::connect() {
USB_DEVICE_DESCRIPTOR *devDesc = (USB_DEVICE_DESCRIPTOR *) descBuff;
byte err = usb.getDevDescr(1, 0, 0x12, (char *) devDesc);
if (err) {
return false;
}
if (isAccessoryDevice(devDesc)) {
return configureAndroid();
} else {
switchDevice(1);
}
return false;
}
