добавил wifi версия которая компилируется

src/utils/FileUtils.cpp

@@ -0,0 +1,66 @@
+#include "Utils/FileUtils.h"
+
+File seekFile(const String& filename, size_t position) {
+    String path = filepath(filename);
+    auto file = FileFS.open(path, "r");
+    if (!file) {
+        SerialPrint(F("E"), F("FS"), F("seek file error"));
+    }
+    file.seek(position, SeekSet);
+    return file;
+}
+
+const String writeFile(const String& filename, const String& str) {
+    String path = filepath(filename);
+    auto file = FileFS.open(path, "w");
+    if (!file) {
+        return "failed";
+    }
+    file.print(str);
+    file.close();
+    return "sucсess";
+}
+
+const String readFile(const String& filename, size_t max_size) {
+    String path = filepath(filename);
+    auto file = FileFS.open(path, "r");
+    if (!file) {
+        return "failed";
+    }
+    size_t size = file.size();
+    if (size > max_size) {
+        file.close();
+        return "large";
+    }
+    String temp = file.readString();
+    file.close();
+    return temp;
+}
+
+const String filepath(const String& filename) {
+    return filename.startsWith("/") ? filename : "/" + filename;
+}
+
+bool cutFile(const String& src, const String& dst) {
+    String srcPath = filepath(src);
+    String dstPath = filepath(dst);
+    SerialPrint(F("i"), F("FS"), "cut " + srcPath + " to " + dstPath);
+    if (!FileFS.exists(srcPath)) {
+        SerialPrint(F("E"), F("FS"), "not exist: " + srcPath);
+        return false;
+    }
+    if (FileFS.exists(dstPath)) {
+        FileFS.remove(dstPath);
+    }
+    auto srcFile = FileFS.open(srcPath, "r");
+    auto dstFile = FileFS.open(dstPath, "w");
+    uint8_t buf[512];
+    while (srcFile.available()) {
+        size_t len = srcFile.read(buf, 512);
+        dstFile.write(buf, len);
+    }
+    srcFile.close();
+    dstFile.close();
+    FileFS.remove(srcPath);
+    return true;
+}