290325 145639 RTU Status for Port 3 VOF
290325 145642 RTU04VOF-0.3 Low Battery Voltage

D:\Dropbox\PicoMite\PicoMite\lfs.c:1969:warn: Unable to split {0x63, 0x71}
                                                                         290325 145642 RTU Status for Port 4 VOF

      // find size of first split, we do this by halving the split until
       // the metadata is guaranteed to fit
       //
       // Note that this isn't a true binary search, we never increase the
       // split size. This may result in poorly distributed metadata but isn't
       // worth the extra code size or performance hit to fix.
       lfs_size_t split = begin;
       while (end - split > 1) {
           lfs_size_t size = 0;
           int err = lfs_dir_traverse(lfs,
                   source, 0, 0xffffffff, attrs, attrcount,
                   LFS_MKTAG(0x400, 0x3ff, 0),
                   LFS_MKTAG(LFS_TYPE_NAME, 0, 0),
                   split, end, -split,
                   lfs_dir_commit_size, &size);
           if (err) {
               return err;
           }

           // space is complicated, we need room for tail, crc, gstate,
           // cleanup delete, and we cap at half a block to give room
           // for metadata updates.
           if (end - split < 0xff
                   && size <= lfs_min(lfs->cfg->block_size - 36,
                       lfs_alignup(
                           (lfs->cfg->metadata_max
                               ? lfs->cfg->metadata_max
                               : lfs->cfg->block_size)/2,
                           lfs->cfg->prog_size))) {
               break;
           }

           split = split + ((end - split) / 2);
       }

       if (split == begin) {
           // no split needed
           break;
       }

       // split into two metadata pairs and continue
       int err = lfs_dir_split(lfs, dir, attrs, attrcount,
               source, split, end);
       if (err && err != LFS_ERR_NOSPC) {
           return err;
       }

       if (err) {
           // we can't allocate a new block, try to compact with degraded
           // performance
           LFS_WARN("Unable to split {0x%"PRIx32", 0x%"PRIx32"}",
                   dir->pair[0], dir->pair[1]);
           break;
       } else {
           end = split;
       }
   }

4 directories, 3 files, 0 bytes free

245MB free of 246MB