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This commit is contained in:
J. Nick Koston
2025-11-06 16:25:23 -06:00
parent a0b273c6f3
commit f4d2b000da
1 changed files with 26 additions and 32 deletions
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36
esphome/components/wifi/wifi_component.cpp
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@@ -347,25 +347,34 @@ WiFiAP WiFiComponent::build_selected_ap_() const {
WiFiAP params;
if (const WiFiAP *config = this->get_selected_sta_()) {
// Copy config data (password, manual IP, priority, EAP)
// Copy config data that's never overridden (password, manual IP, priority, EAP)
params.set_password(config->get_password());
params.set_manual_ip(config->get_manual_ip());
params.set_priority(config->get_priority());
#ifdef USE_WIFI_WPA2_EAP
params.set_eap(config->get_eap());
#endif
// Set network parameters from config
// These will be used as-is for hidden networks, or overridden by scan for visible networks
// SYNCHRONIZATION: selected_sta_index_ and scan_result_[0] are kept in sync:
// - wifi_scan_done() sorts all scan results by priority/RSSI (best first)
// - It then finds which sta_[i] config matches scan_result_[0]
// - Sets selected_sta_index_ = i to record that matching config
// Therefore scan_result_[0] is guaranteed to match sta_[selected_sta_index_]
if (!this->scan_result_.empty()) {
// Use scan data - proves network is visible (not hidden)
const WiFiScanResult &scan = this->scan_result_[0];
params.set_hidden(false);
params.set_ssid(scan.get_ssid());
params.set_bssid(scan.get_bssid());
params.set_channel(scan.get_channel());
} else {
// Use config settings
params.set_ssid(config->get_ssid());
if (config->get_hidden()) {
params.set_hidden(true);
// For hidden networks, clear BSSID and channel even if set in config
// There might be multiple hidden networks with same SSID but we can't know which is correct
// Rely on probe-req with just SSID. Empty channel triggers ALL_CHANNEL_SCAN.
// Note: Scan data is never used for hidden networks (see !params.get_hidden() check below)
params.set_bssid(optional<bssid_t>{});
params.set_channel(optional<uint8_t>{});
} else {
@@ -373,21 +382,6 @@ WiFiAP WiFiComponent::build_selected_ap_() const {
params.set_channel(config->get_channel());
}
}
// Overlay scan result data (if available)
// SYNCHRONIZATION: selected_sta_index_ and scan_result_[0] are kept in sync:
// - wifi_scan_done() sorts all scan results by priority/RSSI (best first)
// - It then finds which sta_[i] config matches scan_result_[0]
// - Sets selected_sta_index_ = i to record that matching config
// Therefore scan_result_[0] is guaranteed to match sta_[selected_sta_index_]
if (!this->scan_result_.empty()) {
const WiFiScanResult &scan = this->scan_result_[0];
// If we have scan data, the network is visible (not hidden) - use it regardless of config
// Hidden networks don't appear in scan results, so presence of scan data is ground truth
params.set_hidden(false);
params.set_ssid(scan.get_ssid());
params.set_bssid(scan.get_bssid());
params.set_channel(scan.get_channel());
}
return params;