-/** The disk writer is formatting the drive. It is not possible
- * to give progress reports on this so the writer just tells us
- * it's happening. This is finished when DISK_WRITER_PROGRESS
- * messages start arriving
- */
-#define DISK_WRITER_FORMATTING "F"
+// the drive is being formatted, 40% done
+#define DISK_WRITER_FORMAT_PROGRESS "F"
+// 0.4\n