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