Experimental Linux GUI based on web browser

LinuxGUI/Ventoy2Disk/Lib/fat_io_lib/release/example.c

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+#include <stdio.h>
+#include "fat_filelib.h"
+
+int media_init()
+{
+    // ...
+    return 1;
+}
+
+int media_read(unsigned long sector, unsigned char *buffer, unsigned long sector_count)
+{
+    unsigned long i;
+
+    for (i=0;i<sector_count;i++)
+    {
+        // ...
+        // Add platform specific sector (512 bytes) read code here
+        //..
+
+        sector ++;
+        buffer += 512;
+    }
+
+    return 1;
+}
+
+int media_write(unsigned long sector, unsigned char *buffer, unsigned long sector_count)
+{
+    unsigned long i;
+
+    for (i=0;i<sector_count;i++)
+    {
+        // ...
+        // Add platform specific sector (512 bytes) write code here
+        //..
+
+        sector ++;
+        buffer += 512;
+    }
+
+    return 1;
+}
+
+void main()
+{
+    FL_FILE *file;
+
+    // Initialise media
+    media_init();
+
+    // Initialise File IO Library
+    fl_init();
+
+    // Attach media access functions to library
+    if (fl_attach_media(media_read, media_write) != FAT_INIT_OK)
+    {
+        printf("ERROR: Media attach failed\n");
+        return; 
+    }
+
+    // List root directory
+    fl_listdirectory("/");
+
+    // Create File
+    file = fl_fopen("/file.bin", "w");
+    if (file)
+    {
+        // Write some data
+        unsigned char data[] = { 1, 2, 3, 4 };
+        if (fl_fwrite(data, 1, sizeof(data), file) != sizeof(data))
+            printf("ERROR: Write file failed\n");
+    }
+    else
+        printf("ERROR: Create file failed\n");
+
+    // Close file
+    fl_fclose(file);
+
+    // Delete File
+    if (fl_remove("/file.bin") < 0)
+        printf("ERROR: Delete file failed\n");
+
+    // List root directory
+    fl_listdirectory("/");
+
+    fl_shutdown();
+}