static void BTTasks() {
switch (state) {
case STATE_DETACHED:
if (USBHostBluetoothIsDeviceAttached()) {
BTAttached();
state = STATE_ATTACHED;
}
break;
case STATE_ATTACHED:
if (USBHostBluetoothIsDeviceAttached()) {
hci_transport_mchpusb_tasks();
if (rfcomm_channel_id && rfcomm_send_credit) {
rfcomm_grant_credits(rfcomm_channel_id, 1);
rfcomm_send_credit = 0;
}
} else {
// Detached. We don't care about the state of btstack, since we're not
// going to give it any context, and we'll reset it the next time a
// dongle is attached. Just close the channel if it is open.
log_printf("Bluetooth detached.");
client_callback(NULL, 1, client_callback_arg);
client_callback = DummyCallback;
rfcomm_channel_id = 0;
state = STATE_DETACHED;
}
}
}
static void ConnBTTasks() {
switch (bt_state) {
case STATE_BT_DISCONNECTED:
if (USBHostBluetoothIsDeviceAttached()) {
BTInit(buf, BUF_SIZE);
bt_state = STATE_BT_INITIALIZING;
}
break;
case STATE_BT_INITIALIZING:
case STATE_BT_INITIALIZED:
if (!USBHostBluetoothIsDeviceAttached()) {
// disconnected
BTShutdown();
bt_state = STATE_BT_DISCONNECTED;
} else {
#ifndef USB_ENABLE_TRANSFER_EVENT
USBHostBluetoothTasks();
#endif
BTTasks();
bt_state = BTAccepting() ? STATE_BT_INITIALIZED : STATE_BT_INITIALIZING;
}
break;
}
}
void USBHostBluetoothReset() {
assert(USBHostBluetoothIsDeviceAttached());
USBHostResetDevice(gc_BluetoothDevData.ID.deviceAddress);
memset(&gc_BluetoothDevData, 0, sizeof gc_BluetoothDevData);
}
