--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/cs/drivers/drv_app/ffs/board/effs.c	Sun Jul 15 04:39:26 2018 +0000
@@ -0,0 +1,44 @@
+/* This file is autogenerated --- do not edit. */
+
+#include "ffs/ffs.h"
+
+char *ffs_strerror(effs_t error)
+{
+    switch (error) {
+    case EFFS_OK: return "ok"; /* 0 */
+    case EFFS_NODEVICE: return "flash device unknown"; /* -1 */
+    case EFFS_CORRUPTED: return "filesystem corrupted!?"; /* -2 */
+    case EFFS_NOPREFORMAT: return "ffs not preformatted"; /* -3 */
+    case EFFS_NOFORMAT: return "ffs not formatted"; /* -4 */
+    case EFFS_BADFORMAT: return "incompatible ffs version, re-format needed"; /* -5 */
+    case EFFS_MAGIC: return "bad magic"; /* -6 */
+    case EFFS_AGAIN: return "not ready, try again later"; /* -7 */
+    case EFFS_NOSYS: return "function not implemented"; /* -8 */
+    case EFFS_DRIVER: return "ffs device driver error"; /* -9 */
+    case EFFS_NOSPACE: return "out of data space"; /* -10 */
+    case EFFS_FSFULL: return "file system full, no free inodes"; /* -11 */
+    case EFFS_BADNAME: return "bad filename"; /* -12 */
+    case EFFS_NOTFOUND: return "object not found"; /* -13 */
+    case EFFS_EXISTS: return "object exists"; /* -14 */
+    case EFFS_ACCESS: return "access permission violation"; /* -15 */
+    case EFFS_NAMETOOLONG: return "filename too long"; /* -16 */
+    case EFFS_INVALID: return "invalid argument"; /* -17 */
+    case EFFS_DIRNOTEMPTY: return "directory not empty"; /* -18 */
+    case EFFS_NOTADIR: return "object is not a directory"; /* -19 */
+    case EFFS_SPARE: return "SPARE"; /* -20 */
+    case EFFS_FILETOOBIG: return "file too big"; /* -21 */
+    case EFFS_NOTAFILE: return "object is not a file"; /* -22 */
+    case EFFS_PATHTOODEEP: return "path too deep"; /* -23 */
+    case EFFS_NUMFD: return "Max number of open files reached"; /* -24 */
+    case EFFS_BADFD: return "Bad file descriptor"; /* -25 */
+    case EFFS_BADOP: return "Bad operation"; /* -26 */
+    case EFFS_LOCKED: return "The file is locked"; /* -27 */
+    case EFFS_TOOBIG: return "too big (tmffs buffer overflow)"; /* -30 */
+    case EFFS_MEMORY: return "out of memory"; /* -31 */
+    case EFFS_MSGSEND: return "message send failed"; /* -32 */
+    case EFFS_SIBLINGLOOP: return "directory sibling loop"; /* -40 */
+    case EFFS_NOBLOCKS: return "No more blocks!?"; /* -41 */
+    case EFFS_DBR: return "Data reclaim did not finish!?"; /* -42 */
+    default: return "unknown ffs error code!";
+    }
+}