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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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9
esphome/components/esp32_ble/ble.h
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@@ -25,10 +25,15 @@ namespace esphome {
namespace esp32_ble {
// Maximum number of BLE scan results to buffer
// Sized to handle bursts of advertisements while allowing for processing delays
// With 16 advertisements per batch and some safety margin:
// - Without PSRAM: 24 entries (1.5× batch size)
// - With PSRAM: 36 entries (2.25× batch size)
// The reduced structure size (~80 bytes vs ~400 bytes) allows for larger buffers
#ifdef USE_PSRAM
static constexpr uint8_t SCAN_RESULT_BUFFER_SIZE = 32;
static constexpr uint8_t SCAN_RESULT_BUFFER_SIZE = 36;
#else
static constexpr uint8_t SCAN_RESULT_BUFFER_SIZE = 20;
static constexpr uint8_t SCAN_RESULT_BUFFER_SIZE = 24;
#endif
// Maximum size of the BLE event queue - must be power of 2 for lock-free queue