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Only start scan/advertise when host re-synced if duration was indefinite.

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Previously when the host reset while scanning (if active prior) it would be restarted automatically.
This caused errors for some applications and has been removed since the event invokes the scan
ended callback for the app to take action. Instead scanning will now only be restarted if the duration
was indefinite and a callback was set for the advertisment events, this use case is less likely to have
a scan ended callback.

Advertising (if active prior) would be started without regard to it's previous state.
This has been corrected to only start advertising again if it was advertising for an idefinite time.
This commit is contained in:
h2zero
2021-01-12 20:42:19 -07:00
parent 28573f5abe
commit 372c79a6b8
5 changed files with 52 additions and 30 deletions
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src/NimBLEDevice.cpp
+10 -26
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@@ -410,30 +410,16 @@ void NimBLEDevice::stopAdvertising() {
m_synced = false;
#if defined(CONFIG_BT_NIMBLE_ROLE_OBSERVER)
if(m_pScan != nullptr) {
m_pScan->onHostReset();
}
#endif
/* Not needed
if(m_pServer != nullptr) {
m_pServer->onHostReset();
}
for(auto it = m_cList.cbegin(); it != m_cList.cend(); ++it) {
(*it)->onHostReset();
}
*/
#if defined(CONFIG_BT_NIMBLE_ROLE_BROADCASTER)
if(m_bleAdvertising != nullptr) {
m_bleAdvertising->onHostReset();
}
#endif
NIMBLE_LOGC(LOG_TAG, "Resetting state; reason=%d, %s", reason,
NimBLEUtils::returnCodeToString(reason));
#if defined(CONFIG_BT_NIMBLE_ROLE_OBSERVER)
if(initialized) {
if(m_pScan != nullptr) {
m_pScan->onHostReset();
}
}
#endif
} // onReset
@@ -462,15 +448,13 @@ void NimBLEDevice::stopAdvertising() {
if(initialized) {
#if defined(CONFIG_BT_NIMBLE_ROLE_OBSERVER)
if(m_pScan != nullptr) {
// Restart scanning with the last values sent, allow to clear results.
m_pScan->start(m_pScan->m_duration, m_pScan->m_scanCompleteCB);
m_pScan->onHostSync();
}
#endif
#if defined(CONFIG_BT_NIMBLE_ROLE_BROADCASTER)
if(m_bleAdvertising != nullptr) {
// Restart advertisng, parameters should already be set.
m_bleAdvertising->start();
m_bleAdvertising->onHostSync();
}
#endif
}