littefs working

src/filesys.cpp

@@ -0,0 +1,132 @@
+#include "filesys.h"
+
+//   listDir("/");
+//   deleteFile("/hello.txt");
+//   writeFile("/hello.txt", "Hello ");
+//   appendFile("/hello.txt", "World!\n");
+//   readFile("/hello.txt");
+//   listDir("/");
+
+FSInfo fsinfo;
+
+void listDir(const char * dirname) {
+  Serial.printf("Listing directory: %s\n", dirname);
+  Dir root = LittleFS.openDir(dirname);
+
+  while (root.next()) {
+    File file = root.openFile("r");
+    Serial.print("  FILE: ");
+    Serial.print(root.fileName());
+    Serial.print("  SIZE: ");
+    Serial.print(file.size());
+    time_t cr = file.getCreationTime();
+    time_t lw = file.getLastWrite();
+    file.close();
+    struct tm * tmstruct = localtime(&cr);
+    Serial.printf("    CREATION: %d-%02d-%02d %02d:%02d:%02d\n", (tmstruct->tm_year) + 1900, (tmstruct->tm_mon) + 1, tmstruct->tm_mday, tmstruct->tm_hour, tmstruct->tm_min, tmstruct->tm_sec);
+    tmstruct = localtime(&lw);
+    Serial.printf("  LAST WRITE: %d-%02d-%02d %02d:%02d:%02d\n", (tmstruct->tm_year) + 1900, (tmstruct->tm_mon) + 1, tmstruct->tm_mday, tmstruct->tm_hour, tmstruct->tm_min, tmstruct->tm_sec);
+  }
+}
+
+
+void readFile(const char * path) {
+  Serial.printf("Reading file: %s\n", path);
+
+  File file = LittleFS.open(path, "r");
+  if (!file) {
+    Serial.println("Failed to open file for reading");
+    return;
+  }
+
+  Serial.print("Read from file: ");
+  while (file.available()) {
+    Serial.write(file.read());
+  }
+  file.close();
+}
+
+void writeFile(const char * path, const char * message) {
+  Serial.printf("Writing file: %s\n", path);
+
+  File file = LittleFS.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");
+  }
+  delay(2000); // Make sure the CREATE and LASTWRITE times are different
+  file.close();
+}
+
+void appendFile(const char * path, const char * message) {
+  Serial.printf("Appending to file: %s\n", path);
+
+  File file = LittleFS.open(path, "a");
+  if (!file) {
+    Serial.println("Failed to open file for appending");
+    return;
+  }
+  if(file.print(message)) {
+    Serial.println("Message appended");
+  } else {
+    Serial.println("Append failed");
+  }
+  file.close();
+}
+
+void renameFile(const char * path1, const char * path2) {
+  Serial.printf("Renaming file %s to %s\n", path1, path2);
+  if (LittleFS.rename(path1, path2)) {
+    Serial.println("File renamed");
+  } else {
+    Serial.println("Rename failed");
+  }
+}
+
+void deleteFile(const char * path) {
+  Serial.printf("Deleting file: %s\n", path);
+  if (LittleFS.remove(path)) {
+    Serial.println("File deleted");
+  } else {
+    Serial.println("Delete failed");
+  }
+}
+
+
+bool mount_fs() {
+  if(!LittleFS.begin()) {
+    Serial.println("[ERROR] LittleFS.info(), reset ...");
+    return false;
+  }
+
+  if(!LittleFS.info(fsinfo)) {
+    Serial.println("[ERROR] LittleFS.info(), reset ...");
+    return false;
+  }
+
+  printf("Filesystem opened: \n");
+  printf("\ttotalBytes:\t%d\n",     fsinfo.totalBytes);
+  printf("\tusedBytes:\t%d\n",      fsinfo.usedBytes);
+  printf("\tblockSize:\t%d\n",      fsinfo.blockSize);
+  printf("\tpageSize:\t%d\n",       fsinfo.pageSize);
+  printf("\tmaxOpenFiles:\t%d\n",   fsinfo.maxOpenFiles);
+  printf("\tmaxPathLength:\t%d\n",  fsinfo.maxPathLength);
+  printf("\n");
+
+  return true;
+}
+
+bool format_fs() {
+  printf("Formatting FS ! \n");
+  return LittleFS.format();
+}
+
+
+
+
+