sascha/esphome
1
0
Fork 0
mirror of https://github.com/esphome/esphome.git synced 2025-09-20 04:02:21 +01:00
Code Issues Releases Wiki Activity

[bluetooth_proxy] Optimize memory usage with fixed-size array and const string references (#10015)

Browse Source
This commit is contained in:
J. Nick Koston
2025-08-04 15:13:55 -10:00
committed by GitHub
parent 52634dac2a
commit 93b28447ee
3 changed files with 19 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
esphome/components/bluetooth_proxy/bluetooth_proxy.h
View File

@@ -2,6 +2,7 @@
#ifdef USE_ESP32
#include <array>
#include <map>
#include <vector>
@@ -63,8 +64,10 @@ class BluetoothProxy : public esp32_ble_tracker::ESPBTDeviceListener, public Com
esp32_ble_tracker::AdvertisementParserType get_advertisement_parser_type() override;
void register_connection(BluetoothConnection *connection) {
this->connections_.push_back(connection);
connection->proxy_ = this;
if (this->connection_count_ < BLUETOOTH_PROXY_MAX_CONNECTIONS) {
this->connections_[this->connection_count_++] = connection;
connection->proxy_ = this;
}
}
void bluetooth_device_request(const api::BluetoothDeviceRequest &msg);
@@ -138,8 +141,8 @@ class BluetoothProxy : public esp32_ble_tracker::ESPBTDeviceListener, public Com
// Group 1: Pointers (4 bytes each, naturally aligned)
api::APIConnection *api_connection_{nullptr};
// Group 2: Container types (typically 12 bytes on 32-bit)
std::vector<BluetoothConnection *> connections_{};
// Group 2: Fixed-size array of connection pointers
std::array<BluetoothConnection *, BLUETOOTH_PROXY_MAX_CONNECTIONS> connections_{};
// BLE advertisement batching
std::vector<api::BluetoothLERawAdvertisement> advertisement_pool_;
@@ -154,7 +157,8 @@ class BluetoothProxy : public esp32_ble_tracker::ESPBTDeviceListener, public Com
// Group 4: 1-byte types grouped together
bool active_;
uint8_t advertisement_count_{0};
// 2 bytes used, 2 bytes padding
uint8_t connection_count_{0};
// 3 bytes used, 1 byte padding
};
extern BluetoothProxy *global_bluetooth_proxy; // NOLINT(cppcoreguidelines-avoid-non-const-global-variables)