update wifi manager

lib/WiFiManager/examples/Parameters/LittleFS/LittleFSParameters.ino

@@ -0,0 +1,79 @@
+/**
+ * Basic example using LittleFS to store data
+ */
+
+#include <Arduino.h>
+#include <LittleFS.h>
+#include <FS.h>
+
+String readFile(fs::FS &fs, const char * path){
+  Serial.printf("Reading file: %s\r\n", path);
+  File file = fs.open(path, "r");
+  if(!file || file.isDirectory()){
+    Serial.println("- empty file or failed to open file");
+    return String();
+  }
+  Serial.println("- read from file:");
+  String fileContent;
+  while(file.available()){
+    fileContent+=String((char)file.read());
+  }
+  file.close();
+  Serial.println(fileContent);
+  return fileContent;
+}
+void writeFile(fs::FS &fs, const char * path, const char * message){
+  Serial.printf("Writing file: %s\r\n", path);
+  File file = fs.open(path, "w");
+  if(!file){
+    Serial.println("- failed to open file for writing");
+    return;
+  }
+  if(file.print(message)){
+    Serial.println("- file written");
+  } else {
+    Serial.println("- write failed");
+  }
+  file.close();
+}
+
+int data = 4; 
+
+#include <WiFiManager.h>
+#define TRIGGER_PIN 2
+int timeout = 120; // seconds to run for
+
+void setup() {
+if (!LittleFS.begin()) { //to start littlefs
+Serial.println("LittleFS mount failed");
+return;
+}
+data = readFile(LittleFS, "/data.txt").toInt();
+WiFi.mode(WIFI_STA); // explicitly set mode, esp defaults to STA+AP  
+  // put your setup code here, to run once:
+  pinMode(TRIGGER_PIN, INPUT_PULLUP);
+  WiFiManager wm;
+  //wm.resetSettings();
+  bool res;
+  res = wm.autoConnect("Setup");
+  if(!res) {
+     Serial.println("Failed to connect");
+     // ESP.restart();
+  } 
+
+}
+
+void loop() {
+if ( digitalRead(TRIGGER_PIN) == LOW) {
+    WiFiManager wm;    
+    //wm.resetSettings();
+    wm.setConfigPortalTimeout(timeout);
+    if (!wm.startConfigPortal("Sharmander")) {
+      Serial.println("failed to connect and hit timeout");
+      delay(3000);
+      ESP.restart();
+      delay(5000);
+    }
+    Serial.println("connected...yeey :)");
+}
+}

lib/WiFiManager/examples/Parameters/SPIFFS/AutoConnectWithFSParameters/AutoConnectWithFSParameters.ino

@@ -46,7 +46,7 @@ void setup() {
 
         configFile.readBytes(buf.get(), size);
 
-#ifdef ARDUINOJSON_VERSION_MAJOR >= 6
+ #if defined(ARDUINOJSON_VERSION_MAJOR) && ARDUINOJSON_VERSION_MAJOR >= 6
         DynamicJsonDocument json(1024);
         auto deserializeError = deserializeJson(json, buf.get());
         serializeJson(json, Serial);
@@ -133,7 +133,7 @@ void setup() {
   //save the custom parameters to FS
   if (shouldSaveConfig) {
     Serial.println("saving config");
-#ifdef ARDUINOJSON_VERSION_MAJOR >= 6
+ #if defined(ARDUINOJSON_VERSION_MAJOR) && ARDUINOJSON_VERSION_MAJOR >= 6
     DynamicJsonDocument json(1024);
 #else
     DynamicJsonBuffer jsonBuffer;
@@ -148,7 +148,7 @@ void setup() {
       Serial.println("failed to open config file for writing");
     }
 
-#ifdef ARDUINOJSON_VERSION_MAJOR >= 6
+#if defined(ARDUINOJSON_VERSION_MAJOR) && ARDUINOJSON_VERSION_MAJOR >= 6
     serializeJson(json, Serial);
     serializeJson(json, configFile);
 #else

lib/WiFiManager/examples/Parameters/SPIFFS/AutoConnectWithFSParametersAndCustomIP/AutoConnectWithFSParametersAndCustomIP.ino

@@ -51,7 +51,7 @@ void setup() {
         std::unique_ptr<char[]> buf(new char[size]);
 
         configFile.readBytes(buf.get(), size);
-#ifdef ARDUINOJSON_VERSION_MAJOR >= 6
+ #if defined(ARDUINOJSON_VERSION_MAJOR) && ARDUINOJSON_VERSION_MAJOR >= 6
         DynamicJsonDocument json(1024);
         auto deserializeError = deserializeJson(json, buf.get());
         serializeJson(json, Serial);
@@ -153,7 +153,7 @@ void setup() {
   //save the custom parameters to FS
   if (shouldSaveConfig) {
     Serial.println("saving config");
-#ifdef ARDUINOJSON_VERSION_MAJOR >= 6
+ #if defined(ARDUINOJSON_VERSION_MAJOR) && ARDUINOJSON_VERSION_MAJOR >= 6
     DynamicJsonDocument json(1024);
 #else
     DynamicJsonBuffer jsonBuffer;
@@ -172,7 +172,7 @@ void setup() {
       Serial.println("failed to open config file for writing");
     }
 
-#ifdef ARDUINOJSON_VERSION_MAJOR >= 6
+ #if defined(ARDUINOJSON_VERSION_MAJOR) && ARDUINOJSON_VERSION_MAJOR >= 6
     serializeJson(json, Serial);
     serializeJson(json, configFile);
 #else