acid-drop

- Hacking the planet from a LilyGo T-Deck using custom firmware
git clone git://git.acid.vegas/acid-drop.git
SPIFFS_functions.ino (2444B)
      1 /*====================================================================================
      2   This sketch supports for the ESP6266 and ESP32 SPIFFS filing system
      3 
      4   Created by Bodmer 15th Jan 2017
      5   ==================================================================================*/
      6 
      7 //====================================================================================
      8 //                 Print a SPIFFS directory list (root directory)
      9 //====================================================================================
     10 
     11 void listFiles(void) {
     12   Serial.println();
     13   Serial.println("SPIFFS files found:");
     14 
     15 #ifdef ESP32
     16   listDir(SPIFFS, "/", true);
     17 #else
     18   fs::Dir dir = SPIFFS.openDir("/"); // Root directory
     19   String  line = "=====================================";
     20 
     21   Serial.println(line);
     22   Serial.println("  File name               Size");
     23   Serial.println(line);
     24 
     25   while (dir.next()) {
     26     String fileName = dir.fileName();
     27     Serial.print(fileName);
     28     int spaces = 25 - fileName.length(); // Tabulate nicely
     29     if (spaces < 0) spaces = 1;
     30     while (spaces--) Serial.print(" ");
     31     fs::File f = dir.openFile("r");
     32     Serial.print(f.size()); Serial.println(" bytes");
     33     yield();
     34   }
     35 
     36   Serial.println(line);
     37 #endif
     38   Serial.println();
     39   delay(1000);
     40 }
     41 //====================================================================================
     42 
     43 #ifdef ESP32
     44 void listDir(fs::FS &fs, const char * dirname, uint8_t levels) {
     45   Serial.printf("Listing directory: %s\n", dirname);
     46 
     47   fs::File root = fs.open(dirname);
     48   if (!root) {
     49     Serial.println("Failed to open directory");
     50     return;
     51   }
     52   if (!root.isDirectory()) {
     53     Serial.println("Not a directory");
     54     return;
     55   }
     56 
     57   fs::File file = root.openNextFile();
     58   while (file) {
     59 
     60     if (file.isDirectory()) {
     61       Serial.print("DIR : ");
     62       String fileName = file.name();
     63       Serial.print(fileName);
     64       if (levels) {
     65         listDir(fs, file.name(), levels - 1);
     66       }
     67     } else {
     68       String fileName = file.name();
     69       Serial.print("  " + fileName);
     70       int spaces = 32 - fileName.length(); // Tabulate nicely
     71       if (spaces < 1) spaces = 1;
     72       while (spaces--) Serial.print(" ");
     73       String fileSize = (String) file.size();
     74       spaces = 8 - fileSize.length(); // Tabulate nicely
     75       if (spaces < 1) spaces = 1;
     76       while (spaces--) Serial.print(" ");
     77       Serial.println(fileSize + " bytes");
     78     }
     79 
     80     file = root.openNextFile();
     81   }
     82 }
     83 #endif