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Code Issues Releases Wiki Activity

[esp32_ble_tracker] Eliminate redundant ring buffer for lower latency (#10057)

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Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
This commit is contained in:
J. Nick Koston
2025-08-04 15:10:32 -10:00
committed by GitHub
parent fa8c5e880c
commit f7bf1ef52c
3 changed files with 84 additions and 119 deletions
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15
esphome/components/esp32_ble/ble.h
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@@ -23,21 +23,14 @@
namespace esphome::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
// Maximum size of the BLE event queue
// Increased to absorb the ring buffer capacity from esp32_ble_tracker
#ifdef USE_PSRAM
static constexpr uint8_t SCAN_RESULT_BUFFER_SIZE = 36;
static constexpr uint8_t MAX_BLE_QUEUE_SIZE = 100; // 64 + 36 (ring buffer size with PSRAM)
#else
static constexpr uint8_t SCAN_RESULT_BUFFER_SIZE = 24;
static constexpr uint8_t MAX_BLE_QUEUE_SIZE = 88; // 64 + 24 (ring buffer size without PSRAM)
#endif
// Maximum size of the BLE event queue - must be power of 2 for lock-free queue
static constexpr size_t MAX_BLE_QUEUE_SIZE = 64;
uint64_t ble_addr_to_uint64(const esp_bd_addr_t address);
// NOLINTNEXTLINE(modernize-use-using)