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Merge branch 'ble-disconnect-on-reset' of https://github.com/remay/microbit-dal into remay-ble-disconnect-on-reset

master
Joe Finney 2016-01-05 00:13:26 +00:00
parent e1f75b2c4c 51ea69201e
commit 6763a9ba6c
1 changed files with 21 additions and 2 deletions
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23
source/MicroBit.cpp
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@ -8,15 +8,34 @@ void panic(int statusCode)
uBit.panic(statusCode);
}
/**
* Callback that performs a hard reset when a BLE GAP disconnect occurs.
* Only used when an explicit reset is invoked locally whilst a BLE connection is in progress.
* This allows for a clean diconnect of the BLE connection before resetting.
*/
void bleDisconnectionResetCallback(const Gap::DisconnectionCallbackParams_t *)
{
NVIC_SystemReset();
}
/**
* Perform a hard reset of the micro:bit.
* If BLE connected, then try to signal a disconnect first
*/
void
microbit_reset()
{
if (uBit.ble)
uBit.ble->disconnect(Gap::LOCAL_HOST_TERMINATED_CONNECTION);
if(uBit.ble && uBit.ble->getGapState().connected) {
uBit.ble->onDisconnection(bleDisconnectionResetCallback);
uBit.ble->gap().disconnect(Gap::REMOTE_USER_TERMINATED_CONNECTION);
// We should be reset by the disconnection callback, so we wait to
// allow that to happen. If it doesn't happen, then we fall through to the
// hard rest here. (For example there is a race condition where
// the remote device disconnects between us testing the connection
// state and re-setting the disconnection callback).
uBit.sleep(1000);
}
NVIC_SystemReset();
}