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Code Issues Releases Wiki Activity

wifi fixed vector

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This commit is contained in:
J. Nick Koston
2025-10-12 19:39:55 -10:00
parent 4c00861760
commit 347501d895
6 changed files with 51 additions and 16 deletions
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2
esphome/components/wifi/wifi_component.cpp
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@@ -552,7 +552,7 @@ void WiFiComponent::start_scanning() {
// Using insertion sort instead of std::stable_sort saves flash memory
// by avoiding template instantiations (std::rotate, std::stable_sort, lambdas)
// IMPORTANT: This sort is stable (preserves relative order of equal elements)
static void insertion_sort_scan_results(std::vector<WiFiScanResult> &results) {
static void insertion_sort_scan_results(FixedVector<WiFiScanResult> &results) {
const size_t size = results.size();
for (size_t i = 1; i < size; i++) {
// Make a copy to avoid issues with move semantics during comparison

4
esphome/components/wifi/wifi_component.h
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@@ -278,7 +278,7 @@ class WiFiComponent : public Component {
std::string get_use_address() const;
void set_use_address(const std::string &use_address);
const std::vector<WiFiScanResult> &get_scan_result() const { return scan_result_; }
const FixedVector<WiFiScanResult> &get_scan_result() const { return scan_result_; }
network::IPAddress wifi_soft_ap_ip();
@@ -385,7 +385,7 @@ class WiFiComponent : public Component {
std::string use_address_;
std::vector<WiFiAP> sta_;
std::vector<WiFiSTAPriority> sta_priorities_;
std::vector<WiFiScanResult> scan_result_;
FixedVector<WiFiScanResult> scan_result_;
WiFiAP selected_ap_;
WiFiAP ap_;
optional<float> output_power_;

8
esphome/components/wifi/wifi_component_esp8266.cpp
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@@ -696,7 +696,15 @@ void WiFiComponent::wifi_scan_done_callback_(void *arg, STATUS status) {
this->retry_connect();
return;
}
// Count the number of results first
auto *head = reinterpret_cast<bss_info *>(arg);
size_t count = 0;
for (bss_info *it = head; it != nullptr; it = STAILQ_NEXT(it, next)) {
count++;
}
this->scan_result_.init(count);
for (bss_info *it = head; it != nullptr; it = STAILQ_NEXT(it, next)) {
WiFiScanResult res({it->bssid[0], it->bssid[1], it->bssid[2], it->bssid[3], it->bssid[4], it->bssid[5]},
std::string(reinterpret_cast<char *>(it->ssid), it->ssid_len), it->channel, it->rssi,

5
esphome/components/wifi/wifi_component_esp_idf.cpp
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@@ -763,8 +763,9 @@ void WiFiComponent::wifi_process_event_(IDFWiFiEvent *data) {
const auto &it = data->data.sta_scan_done;
ESP_LOGV(TAG, "Scan done: status=%" PRIu32 " number=%u scan_id=%u", it.status, it.number, it.scan_id);
scan_result_.clear();
this->scan_done_ = true;
scan_result_.clear();
if (it.status != 0) {
// scan error
return;
@@ -784,7 +785,7 @@ void WiFiComponent::wifi_process_event_(IDFWiFiEvent *data) {
}
records.resize(number);
scan_result_.reserve(number);
scan_result_.init(number);
for (int i = 0; i < number; i++) {
auto &record = records[i];
bssid_t bssid;

2
esphome/components/wifi/wifi_component_libretiny.cpp
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@@ -411,7 +411,7 @@ void WiFiComponent::wifi_scan_done_callback_() {
if (num < 0)
return;
this->scan_result_.reserve(static_cast<unsigned int>(num));
this->scan_result_.init(static_cast<unsigned int>(num));
for (int i = 0; i < num; i++) {
String ssid = WiFi.SSID(i);
wifi_auth_mode_t authmode = WiFi.encryptionType(i);