ESP8266 connect fixes (#605)

* ESP8266 Connection Fixes

* Update client.py

* Update mqtt_client.cpp

* Update mqtt_client.cpp

* Fix ping

* Async dump config

* Update base image to 1.7.0

* Update helpers.py

* Updates

* Update Dockerfile.lint

esphome/components/api/api_server.cpp

@@ -712,12 +712,12 @@ bool APIConnection::send_buffer(APIMessageType type) {
   size_t needed_space = this->send_buffer_.size() + header_len;
 
   if (needed_space > this->client_->space()) {
-    delay(5);
+    delay(0);
     if (needed_space > this->client_->space()) {
       if (type != APIMessageType::SUBSCRIBE_LOGS_RESPONSE) {
         ESP_LOGV(TAG, "Cannot send message because of TCP buffer space");
       }
-      delay(5);
+      delay(0);
       return false;
     }
   }

esphome/components/mqtt/mqtt_client.cpp

@@ -360,18 +360,19 @@ bool MQTTClientComponent::publish(const std::string &topic, const char *payload,
   }
   bool logging_topic = topic == this->log_message_.topic;
   uint16_t ret = this->mqtt_client_.publish(topic.c_str(), qos, retain, payload, payload_length);
-  yield();
+  delay(0);
   if (ret == 0 && !logging_topic && this->is_connected()) {
-    delay(5);
+    delay(0);
     ret = this->mqtt_client_.publish(topic.c_str(), qos, retain, payload, payload_length);
-    yield();
+    delay(0);
   }
 
   if (!logging_topic) {
     if (ret != 0) {
       ESP_LOGV(TAG, "Publish(topic='%s' payload='%s' retain=%d)", topic.c_str(), payload, retain);
     } else {
-      ESP_LOGW(TAG, "Publish failed for topic='%s' will retry later..", topic.c_str());
+      ESP_LOGV(TAG, "Publish failed for topic='%s' (len=%u). will retry later..", topic.c_str(),
+               payload_length);  // NOLINT
       this->status_momentary_warning("publish", 1000);
     }
   }

esphome/components/wifi/wifi_component.cpp

@@ -421,6 +421,7 @@ void WiFiComponent::check_connecting_finished() {
 }
 
 void WiFiComponent::retry_connect() {
+  delay(10);
   if (this->num_retried_ > 5 || this->error_from_callback_) {
     // If retry failed for more than 5 times, let's restart STA
     ESP_LOGW(TAG, "Restarting WiFi adapter...");

esphome/components/wifi/wifi_component_esp8266.cpp

@@ -330,7 +330,6 @@ const char *get_disconnect_reason_str(uint8_t reason) {
 }
 
 void WiFiComponent::wifi_event_callback(System_Event_t *event) {
-#ifdef ESPHOME_LOG_HAS_VERBOSE
   // TODO: this callback is called while in cont context, so delay will fail
   // We need to defer the log messages until we're out of this context
   // only affects verbose log level
@@ -351,7 +350,7 @@ void WiFiComponent::wifi_event_callback(System_Event_t *event) {
       char buf[33];
       memcpy(buf, it.ssid, it.ssid_len);
       buf[it.ssid_len] = '\0';
-      ESP_LOGV(TAG, "Event: Disconnected ssid='%s' bssid=%s reason='%s'", buf, format_mac_addr(it.bssid).c_str(),
+      ESP_LOGW(TAG, "Event: Disconnected ssid='%s' bssid=%s reason='%s'", buf, format_mac_addr(it.bssid).c_str(),
                get_disconnect_reason_str(it.reason));
       break;
     }
@@ -403,7 +402,6 @@ void WiFiComponent::wifi_event_callback(System_Event_t *event) {
     default:
       break;
   }
-#endif
 
   if (event->event == EVENT_STAMODE_DISCONNECTED) {
     global_wifi_component->error_from_callback_ = true;