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Code Issues Releases Wiki Activity

Improve BLE Connection Reliability by Enabling Software Coexistence (#8683)

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Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
This commit is contained in:
J. Nick Koston
2025-05-08 19:18:19 -05:00
committed by GitHub
parent 8465017db9
commit 45d019a7e4
7 changed files with 35 additions and 3 deletions
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25
esphome/components/esp32_ble_tracker/esp32_ble_tracker.cpp
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@@ -21,6 +21,10 @@
#include "esphome/components/ota/ota_backend.h"
#endif
#ifdef USE_ESP32_BLE_SOFTWARE_COEXISTENCE
#include <esp_coexist.h>
#endif
#ifdef USE_ARDUINO
#include <esp32-hal-bt.h>
#endif
@@ -194,9 +198,17 @@ void ESP32BLETracker::loop() {
https://github.com/espressif/esp-idf/issues/6688
*/
if (this->scanner_state_ == ScannerState::IDLE && this->scan_continuous_ && !connecting && !disconnecting &&
!promote_to_connecting) {
this->start_scan_(false); // first = false
if (this->scanner_state_ == ScannerState::IDLE && !connecting && !disconnecting && !promote_to_connecting) {
#ifdef USE_ESP32_BLE_SOFTWARE_COEXISTENCE
if (this->coex_prefer_ble_) {
this->coex_prefer_ble_ = false;
ESP_LOGD(TAG, "Setting coexistence preference to balanced.");
esp_coex_preference_set(ESP_COEX_PREFER_BALANCE); // Reset to default
}
#endif
if (this->scan_continuous_) {
this->start_scan_(false); // first = false
}
}
// If there is a discovered client and no connecting
// clients and no clients using the scanner to search for
@@ -213,6 +225,13 @@ void ESP32BLETracker::loop() {
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);
}
break;