* by \n.
*/
+/* PING */
+
+// Front-end sends:
+
+#define DISK_WRITER_PING "P"
+
+// Back-end responds
+
+#define DISK_WRITER_PONG "O"
+
/* REQUEST TO WRITE DCP */
// Front-end sends:
// Error message
// Error number
-// the drive is being formatted
-#define DISK_WRITER_FORMATTING "F"
+// the drive is being formatted, 40% done
+#define DISK_WRITER_FORMAT_PROGRESS "F"
+// 0.4\n
// data is being copied, 30% done
#define DISK_WRITER_COPY_PROGRESS "C"