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[esp32_ble_tracker] Optimize connection by promoting client immediately after scan stop trigger (#10061)

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Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
This commit is contained in:
J. Nick Koston 2025-08-04 15:10:02 -10:00 committed by GitHub
parent 27ba90ea95
commit fa8c5e880c
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1 changed files with 14 additions and 12 deletions
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26
esphome/components/esp32_ble_tracker/esp32_ble_tracker.cpp
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@ -238,19 +238,21 @@ void ESP32BLETracker::loop() {
if (this->scanner_state_ == ScannerState::RUNNING) {
ESP_LOGD(TAG, "Stopping scan to make connection");
this->stop_scan_();
} else if (this->scanner_state_ == ScannerState::IDLE) {
ESP_LOGD(TAG, "Promoting client to connect");
// We only want to promote one client at a time.
// once the scanner is fully stopped.
#ifdef USE_ESP32_BLE_SOFTWARE_COEXISTENCE
ESP_LOGD(TAG, "Setting coexistence to Bluetooth to make connection.");
if (!this->coex_prefer_ble_) {
this->coex_prefer_ble_ = true;
esp_coex_preference_set(ESP_COEX_PREFER_BT); // Prioritize Bluetooth
}
#endif
client->set_state(ClientState::READY_TO_CONNECT);
// Don't wait for scan stop complete - promote immediately.
// This is safe because ESP-IDF processes BLE commands sequentially through its internal mailbox queue.
// This guarantees that the stop scan command will be fully processed before any subsequent connect command,
// preventing race conditions or overlapping operations.
}
ESP_LOGD(TAG, "Promoting client to connect");
#ifdef USE_ESP32_BLE_SOFTWARE_COEXISTENCE
ESP_LOGD(TAG, "Setting coexistence to Bluetooth to make connection.");
if (!this->coex_prefer_ble_) {
this->coex_prefer_ble_ = true;
esp_coex_preference_set(ESP_COEX_PREFER_BT); // Prioritize Bluetooth
}
#endif
client->set_state(ClientState::READY_TO_CONNECT);
break;
}
}