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[esp32_ble_tracker] Optimize member variable ordering to reduce memory padding (#10113)

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This commit is contained in:
J. Nick Koston
2025-08-06 22:34:46 -10:00
committed by GitHub
parent c0a62c0be1
commit 37a9ad6a0d
1 changed files with 15 additions and 11 deletions
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26
esphome/components/esp32_ble_tracker/esp32_ble_tracker.h
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@@ -333,33 +333,37 @@ class ESP32BLETracker : public Component,
return counts; return counts;
} }
uint8_t app_id_{0}; // Group 1: Large objects (12+ bytes) - vectors and callback manager
std::vector<ESPBTDeviceListener *> listeners_;
std::vector<ESPBTClient *> clients_;
CallbackManager<void(ScannerState)> scanner_state_callbacks_;
#ifdef USE_ESP32_BLE_DEVICE #ifdef USE_ESP32_BLE_DEVICE
/// Vector of addresses that have already been printed in print_bt_device_info /// Vector of addresses that have already been printed in print_bt_device_info
std::vector<uint64_t> already_discovered_; std::vector<uint64_t> already_discovered_;
#endif #endif
std::vector<ESPBTDeviceListener *> listeners_;
/// Client parameters. // Group 2: Structs (aligned to 4 bytes)
std::vector<ESPBTClient *> clients_;
/// A structure holding the ESP BLE scan parameters. /// A structure holding the ESP BLE scan parameters.
esp_ble_scan_params_t scan_params_; esp_ble_scan_params_t scan_params_;
ClientStateCounts client_state_counts_;
// Group 3: 4-byte types
/// The interval in seconds to perform scans. /// The interval in seconds to perform scans.
uint32_t scan_duration_; uint32_t scan_duration_;
uint32_t scan_interval_; uint32_t scan_interval_;
uint32_t scan_window_; uint32_t scan_window_;
esp_bt_status_t scan_start_failed_{ESP_BT_STATUS_SUCCESS};
esp_bt_status_t scan_set_param_failed_{ESP_BT_STATUS_SUCCESS};
// Group 4: 1-byte types (enums, uint8_t, bool)
uint8_t app_id_{0};
uint8_t scan_start_fail_count_{0}; uint8_t scan_start_fail_count_{0};
ScannerState scanner_state_{ScannerState::IDLE};
bool scan_continuous_; bool scan_continuous_;
bool scan_active_; bool scan_active_;
ScannerState scanner_state_{ScannerState::IDLE};
CallbackManager<void(ScannerState)> scanner_state_callbacks_;
bool ble_was_disabled_{true}; bool ble_was_disabled_{true};
bool raw_advertisements_{false}; bool raw_advertisements_{false};
bool parse_advertisements_{false}; bool parse_advertisements_{false};
esp_bt_status_t scan_start_failed_{ESP_BT_STATUS_SUCCESS};
esp_bt_status_t scan_set_param_failed_{ESP_BT_STATUS_SUCCESS};
ClientStateCounts client_state_counts_;
#ifdef USE_ESP32_BLE_SOFTWARE_COEXISTENCE #ifdef USE_ESP32_BLE_SOFTWARE_COEXISTENCE
bool coex_prefer_ble_{false}; bool coex_prefer_ble_{false};
#endif #endif