ESP32 Filesystem initialization code example (LittleFS)
This example code takes care of mounting the filesystem, or creating a filesystem if none is present.
#pragma once
#include <stddef.h>
// InitFilesystem() sets this to true if the filesystem is available.
extern volatile bool filesystemOK;
void InitFilesystem();
#include "FS.h"
#include "LittleFS.h"
volatile bool filesystemOK = false;
void InitFilesystem() {
// Initialize LittleFS
if (!LittleFS.begin(false /* false: Do not format if mount failed */)) {
Serial.println("Failed to mount LittleFS");
if (!LittleFS.begin(true /* true: format */)) {
Serial.println("Failed to format LittleFS");
} else {
Serial.println("LittleFS formatted successfully");
filesystemOK = true;
}
} else { // Initial mount success
filesystemOK = true;
}
}