acidportal/lib/TFT_eSPI/examples/ePaper/Floyd_Steinberg/SPIFFS.ino
2024-08-16 06:24:29 -04:00

93 lines
2.5 KiB
C++

// Call up the SPIFFS FLASH filing system
#define FS_NO_GLOBALS
#include <FS.h>
#ifdef ESP32
#include "SPIFFS.h"
#endif
/*====================================================================================
This sketch supports the ESP6266 and ESP32 SPIFFS filing system
Created by Bodmer 15th Jan 2017
==================================================================================*/
//====================================================================================
// Print a SPIFFS directory list (root directory)
//====================================================================================
void listFiles(void) {
Serial.println();
Serial.println("SPIFFS files found:");
#ifdef ESP32
listDir(SPIFFS, "/", true);
#else
fs::Dir dir = SPIFFS.openDir("/"); // Root directory
String line = "=====================================";
Serial.println(line);
Serial.println(" File name Size");
Serial.println(line);
while (dir.next()) {
String fileName = dir.fileName();
Serial.print(fileName);
int spaces = 25 - fileName.length(); // Tabulate nicely
if (spaces < 0) spaces = 1;
while (spaces--) Serial.print(" ");
fs::File f = dir.openFile("r");
Serial.print(f.size()); Serial.println(" bytes");
yield();
}
Serial.println(line);
#endif
Serial.println();
delay(1000);
}
//====================================================================================
#ifdef ESP32
void listDir(fs::FS &fs, const char * dirname, uint8_t levels) {
Serial.printf("Listing directory: %s\n", dirname);
fs::File root = fs.open(dirname);
if (!root) {
Serial.println("Failed to open directory");
return;
}
if (!root.isDirectory()) {
Serial.println("Not a directory");
return;
}
fs::File file = root.openNextFile();
while (file) {
if (file.isDirectory()) {
Serial.print("DIR : ");
String fileName = file.name();
Serial.print(fileName);
if (levels) {
listDir(fs, file.name(), levels - 1);
}
} else {
String fileName = file.name();
Serial.print(" " + fileName);
int spaces = 32 - fileName.length(); // Tabulate nicely
if (spaces < 1) spaces = 1;
while (spaces--) Serial.print(" ");
String fileSize = (String) file.size();
spaces = 8 - fileSize.length(); // Tabulate nicely
if (spaces < 1) spaces = 1;
while (spaces--) Serial.print(" ");
Serial.println(fileSize + " bytes");
}
file = root.openNextFile();
}
}
#endif