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Use PSRam for BLE scan results. (#4486)

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* Use PSRam for BLE scan results.

* Format Document

* Use generic define `CONFIG_SPIRAM`.

* Formatting changes.

* Memory allocation is allowed to fail.

* Use mark_failed instead of abort.

---------

Co-authored-by: Your Name <you@example.com>
Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
This commit is contained in:
Fabian 2023-03-08 19:23:02 +01:00 committed by GitHub
parent 2ef25f3153
commit 5e6665494d
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
2 changed files with 17 additions and 4 deletions
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12
esphome/components/esp32_ble_tracker/esp32_ble_tracker.cpp
View file

@ -53,6 +53,14 @@ void ESP32BLETracker::setup() {
ESP_LOGE(TAG, "BLE Tracker was marked failed by ESP32BLE");
return;
}
ExternalRAMAllocator<esp_ble_gap_cb_param_t::ble_scan_result_evt_param> allocator(
ExternalRAMAllocator<esp_ble_gap_cb_param_t::ble_scan_result_evt_param>::ALLOW_FAILURE);
this->scan_result_buffer_ = allocator.allocate(ESP32BLETracker::SCAN_RESULT_BUFFER_SIZE);
if (this->scan_result_buffer_ == nullptr) {
ESP_LOGE(TAG, "Could not allocate buffer for BLE Tracker!");
this->mark_failed();
}
global_esp32_ble_tracker = this;
this->scan_result_lock_ = xSemaphoreCreateMutex();
@ -107,7 +115,7 @@ void ESP32BLETracker::loop() {
xSemaphoreTake(this->scan_result_lock_, 5L / portTICK_PERIOD_MS)) {
uint32_t index = this->scan_result_index_;
if (index) {
if (index >= 16) {
if (index >= ESP32BLETracker::SCAN_RESULT_BUFFER_SIZE) {
ESP_LOGW(TAG, "Too many BLE events to process. Some devices may not show up.");
}
for (size_t i = 0; i < index; i++) {
@ -322,7 +330,7 @@ void ESP32BLETracker::gap_scan_stop_complete_(const esp_ble_gap_cb_param_t::ble_
void ESP32BLETracker::gap_scan_result_(const esp_ble_gap_cb_param_t::ble_scan_result_evt_param &param) {
if (param.search_evt == ESP_GAP_SEARCH_INQ_RES_EVT) {
if (xSemaphoreTake(this->scan_result_lock_, 0L)) {
if (this->scan_result_index_ < 16) {
if (this->scan_result_index_ < ESP32BLETracker::SCAN_RESULT_BUFFER_SIZE) {
this->scan_result_buffer_[this->scan_result_index_++] = param;
}
xSemaphoreGive(this->scan_result_lock_);

9
esphome/components/esp32_ble_tracker/esp32_ble_tracker.h
View file

@ -101,7 +101,7 @@ class ESPBTDevice {
std::vector<int8_t> tx_powers_{};
optional<uint16_t> appearance_{};
optional<uint8_t> ad_flag_{};
std::vector<ESPBTUUID> service_uuids_;
std::vector<ESPBTUUID> service_uuids_{};
std::vector<ServiceData> manufacturer_datas_{};
std::vector<ServiceData> service_datas_{};
esp_ble_gap_cb_param_t::ble_scan_result_evt_param scan_result_{};
@ -231,7 +231,12 @@ class ESP32BLETracker : public Component, public GAPEventHandler, public GATTcEv
SemaphoreHandle_t scan_result_lock_;
SemaphoreHandle_t scan_end_lock_;
size_t scan_result_index_{0};
esp_ble_gap_cb_param_t::ble_scan_result_evt_param scan_result_buffer_[16];
#if CONFIG_SPIRAM
const static u_int8_t SCAN_RESULT_BUFFER_SIZE = 32;
#else
const static u_int8_t SCAN_RESULT_BUFFER_SIZE = 16;
#endif // CONFIG_SPIRAM
esp_ble_gap_cb_param_t::ble_scan_result_evt_param *scan_result_buffer_;
esp_bt_status_t scan_start_failed_{ESP_BT_STATUS_SUCCESS};
esp_bt_status_t scan_set_param_failed_{ESP_BT_STATUS_SUCCESS};
};