void dump_page(spiffs *fs, spiffs_page_ix p) {
printf("page %04x ", p);
uint32_t addr = SPIFFS_PAGE_TO_PADDR(fs, p);
if (p % SPIFFS_PAGES_PER_BLOCK(fs) < SPIFFS_OBJ_LOOKUP_PAGES(fs)) {
// obj lu page
printf("OBJ_LU");
} else {
uint32_t obj_id_addr = SPIFFS_BLOCK_TO_PADDR(fs, SPIFFS_BLOCK_FOR_PAGE(fs , p)) +
SPIFFS_OBJ_LOOKUP_ENTRY_FOR_PAGE(fs, p) * sizeof(spiffs_obj_id);
spiffs_obj_id obj_id = *((spiffs_obj_id *)&AREA(obj_id_addr));
// data page
spiffs_page_header *ph = (spiffs_page_header *)&AREA(addr);
printf("DATA %04x:%04x ", obj_id, ph->span_ix);
printf("%s", ((ph->flags & SPIFFS_PH_FLAG_FINAL) == 0) ? "FIN " : "fin ");
printf("%s", ((ph->flags & SPIFFS_PH_FLAG_DELET) == 0) ? "DEL " : "del ");
printf("%s", ((ph->flags & SPIFFS_PH_FLAG_INDEX) == 0) ? "IDX " : "idx ");
printf("%s", ((ph->flags & SPIFFS_PH_FLAG_USED) == 0) ? "USD " : "usd ");
printf("%s ", ((ph->flags & SPIFFS_PH_FLAG_IXDELE) == 0) ? "IDL " : "idl ");
if (obj_id & SPIFFS_OBJ_ID_IX_FLAG) {
// object index
printf("OBJ_IX");
if (ph->span_ix == 0) {
printf("_HDR ");
spiffs_page_object_ix_header *oix_hdr = (spiffs_page_object_ix_header *)&AREA(addr);
printf("'%s' %i bytes type:%02x", oix_hdr->name, oix_hdr->size, oix_hdr->type);
}
} else {
// data page
printf("CONTENT");
}
}
printf("\n");
uint32_t len = fs->cfg.log_page_size;
hexdump(addr, len);
}
static s32_t spiffs_stat_pix(spiffs *fs, spiffs_page_ix pix, spiffs_file fh, spiffs_stat *s) {
spiffs_page_object_ix_header objix_hdr;
spiffs_obj_id obj_id;
s32_t res =_spiffs_rd(fs, SPIFFS_OP_T_OBJ_IX | SPIFFS_OP_C_READ, fh,
SPIFFS_PAGE_TO_PADDR(fs, pix), sizeof(spiffs_page_object_ix_header), (u8_t *)&objix_hdr);
SPIFFS_API_CHECK_RES(fs, res);
u32_t obj_id_addr = SPIFFS_BLOCK_TO_PADDR(fs, SPIFFS_BLOCK_FOR_PAGE(fs , pix)) +
SPIFFS_OBJ_LOOKUP_ENTRY_FOR_PAGE(fs, pix) * sizeof(spiffs_obj_id);
res =_spiffs_rd(fs, SPIFFS_OP_T_OBJ_LU | SPIFFS_OP_C_READ, fh,
obj_id_addr, sizeof(spiffs_obj_id), (u8_t *)&obj_id);
SPIFFS_API_CHECK_RES(fs, res);
s->obj_id = obj_id;
s->type = objix_hdr.type;
s->size = objix_hdr.size == SPIFFS_UNDEFINED_LEN ? 0 : objix_hdr.size;
strncpy((char *)s->name, (char *)objix_hdr.name, SPIFFS_OBJ_NAME_LEN);
return res;
}
