+<div class="para use">\r
+<h4>Example</h4>\r
+<pre>\r
+<span class="c">/* Format the default drive */</span>\r
+int main (void)\r
+{\r
+ FATFS fs; <span class="c">/* File system object (volume work area) */</span>\r
+ FIL fil; <span class="c">/* File object */</span>\r
+ FRESULT res; <span class="c">/* API result code */</span>\r
+ UINT bw; <span class="c">/* Bytes written */</span>\r
+\r
+\r
+ <span class="c">/* Register work area */</span>\r
+ f_mount(&fs, "", 0);\r
+\r
+ <span class="c">/* Create FAT volume with default cluster size */</span>\r
+ res = f_mkfs("", 0, 0);\r
+ if (res) ...\r
+\r
+ <span class="c">/* Create a file as new */</span>\r
+ res = f_open(&fil, "hello.txt", FA_CREATE_NEW | FA_WRITE);\r
+ if (res) ...\r
+\r
+ <span class="c">/* Write a message */</span>\r
+ f_write(&fil, "Hello, World!\r\n", 15, &bw);\r
+ if (bw != 15) ...\r
+\r
+ <span class="c">/* Close the file */</span>\r
+ f_close(&fil);\r
+\r
+ <span class="c">/* Unregister work area */</span>\r
+ f_mount(0, "", 0);\r
+\r
+</pre>\r
+</div>\r
+\r