Formatting FATFS filesystems works, more or less.

lib/vfs/fatfs.cc

@@ -36,6 +36,20 @@ public:
     {
     }
 
+    void create(bool quick, const std::string& volumeName)
+    {
+        if (!quick)
+            eraseEverythingOnDisk();
+
+        char buffer[FF_MAX_SS * 2];
+        currentFatFs = this;
+        FRESULT res = f_mkfs("", nullptr, buffer, sizeof(buffer));
+		throwError(res);
+
+		mount();
+		f_setlabel(volumeName.c_str());
+    }
+
     FilesystemStatus check()
     {
         return FS_OK;
@@ -162,9 +176,14 @@ public:
             case GET_SECTOR_SIZE:
                 *(DWORD*)buffer = getLogicalSectorSize();
                 break;
+
             case GET_SECTOR_COUNT:
                 *(DWORD*)buffer = getLogicalSectorCount();
                 break;
+				
+			case CTRL_SYNC:
+				break;
+
             default:
                 return RES_PARERR;
         }

src/fe-format.cc

@@ -18,10 +18,9 @@
 
 static FlagGroup flags({&fileFlags});
 
-static StringFlag volumeName({"-n", "--name"}, "volume name", "FEDISK");
-static BoolFlag quick({"-q", "--quick"},
-    "perform quick format (requires the disk to be previously formatted)",
-    false);
+static StringFlag volumeName({"-n", "--name"}, "volume name", "FluxEngine");
+static SettableFlag quick({"-q", "--quick"},
+    "perform quick format (requires the disk to be previously formatted)");
 
 int mainFormat(int argc, const char* argv[])
 {