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Code Issues Releases Wiki Activity

[wifi] Convert fast_connect to compile-time define, save 608-1024 bytes flash

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This commit is contained in:
J. Nick Koston
2025-10-17 10:40:28 -10:00
parent b61cec8e77
commit 3fce283053
5 changed files with 59 additions and 45 deletions
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3
esphome/components/wifi/__init__.py
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@@ -407,7 +407,8 @@ async def to_code(config):
cg.add(var.set_reboot_timeout(config[CONF_REBOOT_TIMEOUT]))
cg.add(var.set_power_save_mode(config[CONF_POWER_SAVE_MODE]))
cg.add(var.set_fast_connect(config[CONF_FAST_CONNECT]))
if config[CONF_FAST_CONNECT]:
cg.add_define("USE_WIFI_FAST_CONNECT")
cg.add(var.set_passive_scan(config[CONF_PASSIVE_SCAN]))
if CONF_OUTPUT_POWER in config:
cg.add(var.set_output_power(config[CONF_OUTPUT_POWER]))

91
esphome/components/wifi/wifi_component.cpp
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@@ -84,9 +84,9 @@ 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 + 1, false);
}
#ifdef USE_WIFI_FAST_CONNECT
this->fast_connect_pref_ = global_preferences->make_preference<wifi::SavedWifiFastConnectSettings>(hash + 1, false);
#endif
SavedWifiSettings save{};
if (this->pref_.load(&save)) {
@@ -108,16 +108,16 @@ void WiFiComponent::start() {
ESP_LOGV(TAG, "Setting Power Save Option failed");
}
if (this->fast_connect_) {
this->trying_loaded_ap_ = this->load_fast_connect_settings_();
if (!this->trying_loaded_ap_) {
this->ap_index_ = 0;
this->selected_ap_ = this->sta_[this->ap_index_];
}
this->start_connecting(this->selected_ap_, false);
} else {
this->start_scanning();
#ifdef USE_WIFI_FAST_CONNECT
this->trying_loaded_ap_ = this->load_fast_connect_settings_();
if (!this->trying_loaded_ap_) {
this->ap_index_ = 0;
this->selected_ap_ = this->sta_[this->ap_index_];
}
this->start_connecting(this->selected_ap_, false);
#else
this->start_scanning();
#endif
#ifdef USE_WIFI_AP
} else if (this->has_ap()) {
this->setup_ap_config_();
@@ -168,13 +168,19 @@ void WiFiComponent::loop() {
case WIFI_COMPONENT_STATE_COOLDOWN: {
this->status_set_warning(LOG_STR("waiting to reconnect"));
if (millis() - this->action_started_ > 5000) {
if (this->fast_connect_ || this->retry_hidden_) {
#ifdef USE_WIFI_FAST_CONNECT
if (!this->selected_ap_.get_bssid().has_value())
this->selected_ap_ = this->sta_[0];
this->start_connecting(this->selected_ap_, false);
#else
if (!this->retry_hidden_) {
this->start_scanning();
} else {
if (!this->selected_ap_.get_bssid().has_value())
this->selected_ap_ = this->sta_[0];
this->start_connecting(this->selected_ap_, false);
} else {
this->start_scanning();
}
#endif
}
break;
}
@@ -244,7 +250,6 @@ WiFiComponent::WiFiComponent() { global_wifi_component = this; }
bool WiFiComponent::has_ap() const { return this->has_ap_; }
bool WiFiComponent::has_sta() const { return !this->sta_.empty(); }
void WiFiComponent::set_fast_connect(bool fast_connect) { this->fast_connect_ = fast_connect; }
#ifdef USE_WIFI_11KV_SUPPORT
void WiFiComponent::set_btm(bool btm) { this->btm_ = btm; }
void WiFiComponent::set_rrm(bool rrm) { this->rrm_ = rrm; }
@@ -719,9 +724,9 @@ void WiFiComponent::check_connecting_finished() {
this->scan_result_.shrink_to_fit();
}
if (this->fast_connect_) {
this->save_fast_connect_settings_();
}
#ifdef USE_WIFI_FAST_CONNECT
this->save_fast_connect_settings_();
#endif
return;
}
@@ -769,31 +774,31 @@ void WiFiComponent::retry_connect() {
delay(10);
if (!this->is_captive_portal_active_() && !this->is_esp32_improv_active_() &&
(this->num_retried_ > 3 || this->error_from_callback_)) {
if (this->fast_connect_) {
if (this->trying_loaded_ap_) {
this->trying_loaded_ap_ = false;
this->ap_index_ = 0; // Retry from the first configured AP
} else if (this->ap_index_ >= this->sta_.size() - 1) {
ESP_LOGW(TAG, "No more APs to try");
this->ap_index_ = 0;
this->restart_adapter();
} else {
// Try next AP
this->ap_index_++;
}
this->num_retried_ = 0;
this->selected_ap_ = this->sta_[this->ap_index_];
#ifdef USE_WIFI_FAST_CONNECT
if (this->trying_loaded_ap_) {
this->trying_loaded_ap_ = false;
this->ap_index_ = 0; // Retry from the first configured AP
} else if (this->ap_index_ >= this->sta_.size() - 1) {
ESP_LOGW(TAG, "No more APs to try");
this->ap_index_ = 0;
this->restart_adapter();
} else {
if (this->num_retried_ > 5) {
// If retry failed for more than 5 times, let's restart STA
this->restart_adapter();
} else {
// Try hidden networks after 3 failed retries
ESP_LOGD(TAG, "Retrying with hidden networks");
this->retry_hidden_ = true;
this->num_retried_++;
}
// Try next AP
this->ap_index_++;
}
this->num_retried_ = 0;
this->selected_ap_ = this->sta_[this->ap_index_];
#else
if (this->num_retried_ > 5) {
// If retry failed for more than 5 times, let's restart STA
this->restart_adapter();
} else {
// Try hidden networks after 3 failed retries
ESP_LOGD(TAG, "Retrying with hidden networks");
this->retry_hidden_ = true;
this->num_retried_++;
}
#endif
} else {
this->num_retried_++;
}
@@ -839,6 +844,7 @@ bool WiFiComponent::is_esp32_improv_active_() {
#endif
}
#ifdef USE_WIFI_FAST_CONNECT
bool WiFiComponent::load_fast_connect_settings_() {
SavedWifiFastConnectSettings fast_connect_save{};
@@ -873,6 +879,7 @@ void WiFiComponent::save_fast_connect_settings_() {
ESP_LOGD(TAG, "Saved fast_connect settings");
}
}
#endif
void WiFiAP::set_ssid(const std::string &ssid) { this->ssid_ = ssid; }
void WiFiAP::set_bssid(bssid_t bssid) { this->bssid_ = bssid; }

8
esphome/components/wifi/wifi_component.h
View File

@@ -240,7 +240,6 @@ class WiFiComponent : public Component {
void start_scanning();
void check_scanning_finished();
void start_connecting(const WiFiAP &ap, bool two);
void set_fast_connect(bool fast_connect);
void set_ap_timeout(uint32_t ap_timeout) { ap_timeout_ = ap_timeout; }
void check_connecting_finished();
@@ -364,8 +363,10 @@ class WiFiComponent : public Component {
bool is_captive_portal_active_();
bool is_esp32_improv_active_();
#ifdef USE_WIFI_FAST_CONNECT
bool load_fast_connect_settings_();
void save_fast_connect_settings_();
#endif
#ifdef USE_ESP8266
static void wifi_event_callback(System_Event_t *event);
@@ -399,7 +400,9 @@ class WiFiComponent : public Component {
WiFiAP ap_;
optional<float> output_power_;
ESPPreferenceObject pref_;
#ifdef USE_WIFI_FAST_CONNECT
ESPPreferenceObject fast_connect_pref_;
#endif
// Group all 32-bit integers together
uint32_t action_started_;
@@ -417,8 +420,9 @@ class WiFiComponent : public Component {
#endif /* USE_NETWORK_IPV6 */
// Group all boolean values together
bool fast_connect_{false};
#ifdef USE_WIFI_FAST_CONNECT
bool trying_loaded_ap_{false};
#endif
bool retry_hidden_{false};
bool has_ap_{false};
bool handled_connected_state_{false};

1
esphome/core/defines.h
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@@ -199,6 +199,7 @@
#define USE_WEBSERVER_PORT 80 // NOLINT
#define USE_WEBSERVER_SORTING
#define USE_WIFI_11KV_SUPPORT
#define USE_WIFI_FAST_CONNECT
#define USB_HOST_MAX_REQUESTS 16
#ifdef USE_ARDUINO

1
tests/components/wifi/common-eap.yaml
View File

@@ -1,4 +1,5 @@
wifi:
fast_connect: true
networks:
- ssid: MySSID
eap: