Add WiFi fast connect mode

src/esphomelib/util.cpp

@@ -96,10 +96,10 @@ void network_setup_mdns(const std::string &hostname) {
 IPAddress network_get_address() {
 #ifdef USE_ETHERNET
   if (global_eth_component != nullptr)
-    global_eth_component->get_ip_address();
+    return global_eth_component->get_ip_address();
 #endif
   if (global_wifi_component != nullptr)
-    global_wifi_component->get_ip_address();
+    return global_wifi_component->get_ip_address();
   return IPAddress();
 }
 

src/esphomelib/wifi_component.cpp

@@ -43,7 +43,12 @@ void WiFiComponent::setup() {
     delay(10);
 
     this->wifi_apply_power_save_();
-    this->start_scanning();
+
+    if (this->fast_connect_) {
+      this->start_connecting(this->sta_[0], false);
+    } else {
+      this->start_scanning();
+    }
   } else if (this->has_ap()) {
     this->setup_ap_config();
   }
@@ -59,7 +64,11 @@ void WiFiComponent::loop() {
       case WIFI_COMPONENT_STATE_COOLDOWN: {
         this->status_set_warning();
         if (millis() - this->action_started_ > 5000) {
-          this->start_scanning();
+          if (this->fast_connect_) {
+            this->start_connecting(this->sta_[0], false);
+          } else {
+            this->start_scanning();
+          }
         }
         break;
       }
@@ -109,6 +118,9 @@ bool WiFiComponent::has_ap() const {
 bool WiFiComponent::has_sta() const {
   return !this->sta_.empty();
 }
+void WiFiComponent::set_fast_connect(bool fast_connect) {
+  this->fast_connect_ = fast_connect;
+}
 IPAddress WiFiComponent::get_ip_address() {
   if (this->has_sta())
     return this->wifi_sta_ip_();

src/esphomelib/wifi_component.h

@@ -36,7 +36,7 @@ enum WiFiComponentState {
    * */
   WIFI_COMPONENT_STATE_STA_CONNECTING_2,
   /** WiFi is in STA(+AP) mode and successfully connected. */
-      WIFI_COMPONENT_STATE_STA_CONNECTED,
+  WIFI_COMPONENT_STATE_STA_CONNECTED,
   // Any state below here is a valid state for continuing
   /** WiFi is in AP-only mode and internal AP is already enabled. */
   WIFI_COMPONENT_STATE_AP,
@@ -134,6 +134,7 @@ 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 check_connecting_finished();
 
@@ -211,6 +212,7 @@ class WiFiComponent : public Component {
 
   std::vector<WiFiAP> sta_;
   WiFiAP selected_ap_;
+  bool fast_connect_{false};
 
   WiFiAP ap_;
   WiFiComponentState state_{WIFI_COMPONENT_STATE_OFF};