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This commit is contained in:
J. Nick Koston
2026-01-25 17:22:00 -10:00
parent 5ad989a13a
commit 4099e944d6
1 changed files with 4 additions and 2 deletions
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esphome/components/wifi/wifi_component_esp_idf.cpp
+4 -2
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@@ -840,7 +840,9 @@ void WiFiComponent::wifi_process_event_(IDFWiFiEvent *data) {
#ifdef USE_ESP32_HOSTED
// getting records one at a time fails on P4 with hosted esp32 WiFi coprocessor
// Presumably an upstream bug, work-around by getting all records at once
auto records = std::make_unique<wifi_ap_record_t[]>(number);
// Use stack buffer (3904 bytes / ~80 bytes per record = ~48 records) with heap fallback
static constexpr size_t SCAN_RECORD_STACK_COUNT = 3904 / sizeof(wifi_ap_record_t);
SmallBufferWithHeapFallback<SCAN_RECORD_STACK_COUNT, wifi_ap_record_t> records(number);
err = esp_wifi_scan_get_ap_records(&number, records.get());
if (err != ESP_OK) {
esp_wifi_clear_ap_list();
@@ -848,7 +850,7 @@ void WiFiComponent::wifi_process_event_(IDFWiFiEvent *data) {
return;
}
for (uint16_t i = 0; i < number; i++) {
wifi_ap_record_t &record = records[i];
wifi_ap_record_t &record = records.get()[i];
#else
// Process one record at a time to avoid large buffer allocation
for (uint16_t i = 0; i < number; i++) {