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Code Issues Releases Wiki Activity

Optimize Bluetooth proxy batching and increase scan buffer capacity (#9328)

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This commit is contained in:
J. Nick Koston
2025-07-07 14:34:12 -05:00
committed by GitHub
parent e88b8d10ec
commit 138ff749f3
2 changed files with 13 additions and 3 deletions
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7
esphome/components/bluetooth_proxy/bluetooth_proxy.cpp
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@@ -52,7 +52,12 @@ bool BluetoothProxy::parse_device(const esp32_ble_tracker::ESPBTDevice &device)
return true;
}
static constexpr size_t FLUSH_BATCH_SIZE = 8;
// Batch size for BLE advertisements to maximize WiFi efficiency
// Each advertisement is up to 80 bytes when packaged (including protocol overhead)
// Most advertisements are 20-30 bytes, allowing even more to fit per packet
// 16 advertisements × 80 bytes (worst case) = 1280 bytes out of ~1320 bytes usable payload
// This achieves ~97% WiFi MTU utilization while staying under the limit
static constexpr size_t FLUSH_BATCH_SIZE = 16;
static std::vector<api::BluetoothLERawAdvertisement> &get_batch_buffer() {
static std::vector<api::BluetoothLERawAdvertisement> batch_buffer;
return batch_buffer;