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WiFi fast_connect: save/load BSSID and channel for faster connect from sleep (#5931)

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Rene Guca 2024-01-18 08:30:58 +01:00 committed by GitHub
parent c6f528583b
commit e2f2feafdd
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2 changed files with 47 additions and 0 deletions
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38
esphome/components/wifi/wifi_component.cpp
View file

@ -55,6 +55,9 @@ void WiFiComponent::start() {
uint32_t hash = this->has_sta() ? fnv1_hash(App.get_compilation_time()) : 88491487UL;
this->pref_ = global_preferences->make_preference<wifi::SavedWifiSettings>(hash, true);
if (this->fast_connect_) {
this->fast_connect_pref_ = global_preferences->make_preference<wifi::SavedWifiFastConnectSettings>(hash, false);
}
SavedWifiSettings save{};
if (this->pref_.load(&save)) {
@ -78,6 +81,7 @@ void WiFiComponent::start() {
if (this->fast_connect_) {
this->selected_ap_ = this->sta_[0];
this->load_fast_connect_settings_();
this->start_connecting(this->selected_ap_, false);
} else {
this->start_scanning();
@ -604,6 +608,11 @@ void WiFiComponent::check_connecting_finished() {
this->state_ = WIFI_COMPONENT_STATE_STA_CONNECTED;
this->num_retried_ = 0;
if (this->fast_connect_) {
this->save_fast_connect_settings_();
}
return;
}
@ -705,6 +714,35 @@ bool WiFiComponent::is_esp32_improv_active_() {
#endif
}
void WiFiComponent::load_fast_connect_settings_() {
SavedWifiFastConnectSettings fast_connect_save{};
if (this->fast_connect_pref_.load(&fast_connect_save)) {
bssid_t bssid{};
std::copy(fast_connect_save.bssid, fast_connect_save.bssid + 6, bssid.begin());
this->selected_ap_.set_bssid(bssid);
this->selected_ap_.set_channel(fast_connect_save.channel);
ESP_LOGD(TAG, "Loaded saved fast_connect wifi settings");
}
}
void WiFiComponent::save_fast_connect_settings_() {
bssid_t bssid = wifi_bssid();
uint8_t channel = wifi_channel_();
if (bssid != this->selected_ap_.get_bssid() || channel != this->selected_ap_.get_channel()) {
SavedWifiFastConnectSettings fast_connect_save{};
memcpy(fast_connect_save.bssid, bssid.data(), 6);
fast_connect_save.channel = channel;
this->fast_connect_pref_.save(&fast_connect_save);
ESP_LOGD(TAG, "Saved fast_connect wifi settings");
}
}
void WiFiAP::set_ssid(const std::string &ssid) { this->ssid_ = ssid; }
void WiFiAP::set_bssid(bssid_t bssid) { this->bssid_ = bssid; }
void WiFiAP::set_bssid(optional<bssid_t> bssid) { this->bssid_ = bssid; }

9
esphome/components/wifi/wifi_component.h
View file

@ -48,6 +48,11 @@ struct SavedWifiSettings {
char password[65];
} PACKED; // NOLINT
struct SavedWifiFastConnectSettings {
uint8_t bssid[6];
uint8_t channel;
} PACKED; // NOLINT
enum WiFiComponentState {
/** Nothing has been initialized yet. Internal AP, if configured, is disabled at this point. */
WIFI_COMPONENT_STATE_OFF = 0,
@ -334,6 +339,9 @@ class WiFiComponent : public Component {
bool is_captive_portal_active_();
bool is_esp32_improv_active_();
void load_fast_connect_settings_();
void save_fast_connect_settings_();
#ifdef USE_ESP8266
static void wifi_event_callback(System_Event_t *event);
void wifi_scan_done_callback_(void *arg, STATUS status);
@ -381,6 +389,7 @@ class WiFiComponent : public Component {
optional<float> output_power_;
bool passive_scan_{false};
ESPPreferenceObject pref_;
ESPPreferenceObject fast_connect_pref_;
bool has_saved_wifi_settings_{false};
#ifdef USE_WIFI_11KV_SUPPORT
bool btm_{false};