79 lines
1.8 KiB
C++
79 lines
1.8 KiB
C++
/**
|
|
* 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 :)");
|
|
}
|
|
} |