初始化提交

arduino-cli/libraries/WiFiManager/examples/Old_examples/AutoConnectWithFeedback/AutoConnectWithFeedback.ino

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+#include <WiFiManager.h> // https://github.com/tzapu/WiFiManager
+
+void configModeCallback (WiFiManager *myWiFiManager) {
+  Serial.println("Entered config mode");
+  Serial.println(WiFi.softAPIP());
+  //if you used auto generated SSID, print it
+  Serial.println(myWiFiManager->getConfigPortalSSID());
+}
+
+void setup() {
+  // put your setup code here, to run once:
+  Serial.begin(115200);
+  
+  //WiFiManager
+  //Local intialization. Once its business is done, there is no need to keep it around
+  WiFiManager wifiManager;
+  //reset settings - for testing
+  //wifiManager.resetSettings();
+
+  //set callback that gets called when connecting to previous WiFi fails, and enters Access Point mode
+  wifiManager.setAPCallback(configModeCallback);
+
+  //fetches ssid and pass and tries to connect
+  //if it does not connect it starts an access point with the specified name
+  //here  "AutoConnectAP"
+  //and goes into a blocking loop awaiting configuration
+  if(!wifiManager.autoConnect()) {
+    Serial.println("failed to connect and hit timeout");
+    //reset and try again, or maybe put it to deep sleep
+    ESP.restart();
+    delay(1000);
+  } 
+
+  //if you get here you have connected to the WiFi
+  Serial.println("connected...yeey :)");
+ 
+}
+
+void loop() {
+  // put your main code here, to run repeatedly:
+
+}